/* Problem page — student Topic Path + admin draft preview. */

/* Timed prep mock — sticky countdown on diagnostic/item */
.am-mock-timer {
  position: sticky;
  top: var(--am-nav-sticky-offset, 59px);
  z-index: 40;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0 0 0.85rem;
  padding: 0.55rem 0.9rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--am-primary) 22%, transparent);
  background: color-mix(in srgb, var(--am-soft-teal) 70%, #fff);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--am-ink) 6%, transparent);
}

.am-mock-timer__label {
  font: 700 0.68rem / 1 var(--am-font-ui);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--am-ink) 55%, transparent);
}

.am-mock-timer__clock {
  font: 700 1.35rem / 1 var(--am-font-page-title);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--am-navy);
}

.am-mock-timer.is-warn {
  border-color: color-mix(in srgb, var(--am-accent) 40%, transparent);
  background: color-mix(in srgb, var(--am-soft-accent) 75%, #fff);
}

.am-mock-timer.is-warn .am-mock-timer__label {
  color: color-mix(in srgb, var(--am-accent) 88%, #1a1208);
}

.am-mock-timer.is-warn .am-mock-timer__clock {
  color: var(--am-accent);
}

.am-mp-root {
  max-width: 52rem;
}

.am-mp-coach {
  max-width: 52rem;
  margin-top: 0.15rem;
  padding: 1.1rem 1.2rem 1.2rem;
  border-radius: 18px;
  background: color-mix(in srgb, #dceef0 72%, #fff);
  border: 1px solid color-mix(in srgb, #1a6870 16%, transparent);
  box-shadow: 0 8px 24px color-mix(in srgb, #1a6870 8%, transparent);
}

.am-panel-solution .am-mp-coach {
  max-width: none;
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.am-mp-coach__card {
  padding: 0.85rem 0.95rem;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(20, 80, 89, 0.1);
}

.am-mp-coach__card--insight {
  border-left: 3px solid #b85c38;
}

.am-mp-coach__kicker {
  margin: 0 0 0.35rem;
  font: 700 0.68rem/1.2 var(--am-font-ui);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #b85c38;
  opacity: 1;
}

.am-mp-coach--insight-only {
  margin-top: 0.35rem;
}

.am-mp-coach__body {
  font: 400 0.875rem/1.6 var(--am-font-body);
  color: var(--am-ink);
}

.am-mp-coach__extra {
  margin-top: 0.85rem;
}



@media (min-width: 1281px) {
  .am-problem-page .am-card-shell {
    padding: 22px 32px;
  }
}

.am-prob__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
}

.am-prob__diff {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}

.am-prob__diff-label {
  font: 600 0.6875rem/1 var(--am-font-ui);
  color: var(--am-ink);
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.am-prob__diff-pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 10px;
  font: 600 0.8125rem/1 var(--am-font-ui);
  letter-spacing: 0.02em;
}

.am-prob__diff-pill--easy {
  background: color-mix(in srgb, var(--am-mustard) 28%, var(--am-canvas));
  color: #8a7020;
}

.am-prob__diff-pill--medium {
  background: color-mix(in srgb, #e8913a 22%, var(--am-canvas));
  color: #c45f12;
}

.am-prob__diff-pill--hard {
  background: color-mix(in srgb, #c73512 18%, var(--am-canvas));
  color: #a02810;
  text-transform: uppercase;
}

.am-prob__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--am-border);
  flex: none;
}

.am-prob__dot.is-on {
  background: var(--am-accent);
}

.am-prob__question-label {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-bottom: 6px;
  font: 700 0.875rem/1 var(--am-font-ui);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--am-ink);
}

.am-prob__question-label svg {
  width: 22px;
  height: 22px;
  flex: none;
  opacity: 0.6;
}

.am-prob__question-label-text {
  opacity: 0.6;
}

.am-prob__revision {
  display: inline-flex;
  align-items: stretch;
  margin-left: 4px;
  border-radius: 999px;
  overflow: hidden;
  background: color-mix(in srgb, var(--am-mustard) 42%, var(--am-canvas));
}

.am-prob__revision-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: var(--am-mustard);
  color: var(--am-ink);
  font: 600 0.95rem/1 var(--am-font-ui);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.am-prob__revision-meta {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px 6px 12px;
  font: 500 0.8rem/1.3 var(--am-font-body);
  letter-spacing: 0;
  text-transform: none;
  color: var(--am-ink);
}

.am-prob__question {
  font: 400 1.08rem/1.55 var(--am-font-problem);
  letter-spacing: 0;
  color: var(--am-ink);
  margin-bottom: 12px;
  padding: 12px 16px;
  background: #dceae850;
  border: 1.5px solid var(--am-border);
  border-radius: var(--am-radius-lg);
}

.am-prob__figure {
  display: block;
  box-sizing: border-box;
  width: min(100%, 28rem);
  max-width: 28rem;
  margin: 12px 0 16px;
  padding: 10px 12px;
  background: #f7f5f1;
  border: 1.5px solid var(--am-border);
  border-radius: var(--am-radius-lg);
}

.am-figure3d {
  height: 16rem;
  min-height: 16rem;
}
.am-figure3d canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.am-prob__figure svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 12.5rem;
  aspect-ratio: 16 / 11;
}

/* Dotted measure / dimension lines — global (incl. baked bank SVGs) */
svg .geo-dim,
svg .geo-dim-arrow {
  stroke: var(--am-dim-ink, #6BB5E0);
}

/* Dashed segments (grids / construction) — secondary to solid figure ink.
   Attribute selector covers older baked SVGs that lack class="geo-dash". */
svg .geo-dash,
svg line[stroke-dasharray="7 6"] {
  stroke: var(--am-dash-ink, #6BB5E0);
  stroke-width: 1.2;
}

.am-prob__question--q {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}

.am-prob__q-mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.05rem;
  min-width: 2.1rem;
  min-height: 2.1rem;
  padding: 0.35rem 0.55rem;
  border-radius: 8px;
  background: #fffef9;
  border: 1px solid color-mix(in srgb, var(--am-ink, #1a2332) 12%, transparent);
  color: var(--am-ink);
  font: 800 1rem/1 var(--am-font-ui);
  letter-spacing: 0.02em;
  user-select: none;
  box-shadow: none;
}

.am-prob__question-body {
  flex: 1 1 auto;
  min-width: 0;
  font: inherit;
  letter-spacing: inherit;
}

/* Force KaTeX in the stem to the same typewriter face as problem text. */
.am-prob__question .katex,
.am-prob__question .katex *,
.am-prob__question .katex .mathnormal,
.am-prob__question .katex .mathrm,
.am-prob__question .katex .mathit,
.am-prob__question .katex .mathbf,
.am-prob__question .katex .textit,
.am-prob__question .katex .textrm,
.am-prob__question .katex .textsf,
.am-prob__question .katex .texttt,
.am-prob__question .katex .mord,
.am-prob__question .katex .mop,
.am-prob__question .katex .mbin,
.am-prob__question .katex .mrel,
.am-prob__question .katex .mopen,
.am-prob__question .katex .mclose,
.am-prob__question .katex .mpunct,
.am-prob__question .katex .minner,
.am-prob__question .katex .mtight {
  font-family: var(--am-font-problem) !important;
}

.am-prob__ask {
  font: 700 0.6875rem/1 var(--am-font-ui);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--am-ink);
  opacity: 0.6;
  margin: 0 0 6px;
}

.am-sol-opts {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  margin: 0 0 8px;
}
.am-sol-opts__btn {
  appearance: none;
  border: 1px solid color-mix(in srgb, #1a6870 22%, transparent);
  background: #fff;
  padding: 7px 14px;
  margin: 0;
  border-radius: 999px;
  font: 650 0.8125rem/1.2 var(--am-font-ui);
  color: #1a6870;
  cursor: pointer;
}
.am-sol-opts__btn:hover {
  background: color-mix(in srgb, #dceef0 70%, #fff);
  border-color: color-mix(in srgb, #1a6870 40%, transparent);
}
.am-sol-opts.is-hidden [data-am-sol-opts-list] {
  display: none;
}

.am-prob__options {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
  list-style: none;
  padding: 0;
}

.am-prob__option-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

@media (max-width: 640px) {
  .am-prob__elim {
    padding: 6px 10px;
    font-size: 0.625rem;
  }
}

.am-prob__option-row .am-prob__option {
  flex: 1;
  min-width: 0;
}

.am-prob__elim {
  flex: none;
  align-self: center;
  appearance: none;
  border: 1px solid color-mix(in srgb, var(--am-accent) 20%, var(--am-border));
  background: color-mix(in srgb, var(--am-accent) 20%, transparent);
  color: color-mix(in srgb, var(--am-accent) 72%, var(--am-ink));
  border-radius: 999px;
  padding: 7px 12px;
  font: 600 0.6875rem/1.2 var(--am-font-ui);
  letter-spacing: 0.02em;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.am-prob__elim:hover {
  background: color-mix(in srgb, var(--am-accent) 28%, transparent);
  color: var(--am-accent);
  border-color: color-mix(in srgb, var(--am-accent) 32%, var(--am-border));
}

.am-prob__elim[aria-pressed="true"] {
  border-color: color-mix(in srgb, #1f6f78 40%, var(--am-border));
  color: #1f6f78;
  background: color-mix(in srgb, #1f6f78 20%, transparent);
}

.am-prob__elim[aria-pressed="true"]:hover {
  background: color-mix(in srgb, #1f6f78 28%, transparent);
  border-color: color-mix(in srgb, #1f6f78 48%, var(--am-border));
}

.am-prob__option {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--am-radius-md);
  border-style: solid;
  border-width: 1.5px 1.5px 1.5px 5px;
  border-color: var(--am-border);
  background: var(--am-white);
  cursor: pointer;
  text-align: left;
  width: 100%;
  font: inherit;
  color: inherit;
  transition: border-color 0.12s ease, background 0.12s ease, opacity 0.12s ease;
}

.am-prob__option:hover {
  background: var(--am-wash);
}

.am-prob__option.is-eliminated,
.am-prob__option-row.is-eliminated .am-prob__option {
  opacity: 0.42;
  cursor: not-allowed;
  background: color-mix(in srgb, var(--am-neutral) 62%, var(--am-white));
  border-color: color-mix(in srgb, var(--am-border) 70%, var(--am-ink));
  color: color-mix(in srgb, var(--am-ink) 48%, var(--am-neutral));
  filter: grayscale(0.85);
}

.am-prob__option.is-eliminated:hover {
  background: color-mix(in srgb, var(--am-neutral) 62%, var(--am-white));
}

.am-prob__option.is-eliminated .am-prob__option-text {
  text-decoration: none;
  color: inherit;
}

.am-prob__option.is-eliminated .am-prob__letter {
  border-color: color-mix(in srgb, var(--am-border) 75%, var(--am-ink));
  background: color-mix(in srgb, var(--am-neutral) 45%, var(--am-white));
  color: inherit;
}

.am-prob__option.is-selected {
  border-color: var(--am-primary);
  background: #dceae822;
}

.am-prob__option.is-selected .am-prob__letter,
.am-prob__option:has(input[type="radio"]:checked) .am-prob__letter {
  border-color: var(--am-primary);
  background: var(--am-primary);
  color: #fff;
}

.am-prob__option:has(input[type="radio"]:checked) {
  border-color: var(--am-primary);
  background: #dceae822;
}

.am-prob__option.is-correct {
  border-color: var(--am-primary);
  background: #dceae822;
}

.am-prob__option.is-wrong {
  border-color: var(--am-accent);
  background: color-mix(in srgb, var(--am-accent) 6%, transparent);
}

.am-prob__option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.am-prob__letter {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--am-border);
  background: var(--am-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--am-font-mono);
  font-weight: 700;
  font-size: 0.6875rem;
  color: var(--am-ink);
}

.am-prob__option.is-correct .am-prob__letter {
  border-color: var(--am-primary);
  background: var(--am-primary);
  color: #fff;
  font-size: 0.9375rem;
}

.am-prob__option.is-wrong .am-prob__letter {
  border-color: var(--am-accent);
  background: var(--am-accent);
  color: #fff;
}

.am-prob__option-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  min-width: 0;
}

.am-prob__option-text {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35em;
  font: 400 0.8438rem/1.3 var(--am-font-problem);
  letter-spacing: 0;
  color: var(--am-ink);
  white-space: normal;
}

.am-prob__option-text.solution-text {
  white-space: normal;
}

.am-prob__option-text .katex {
  font-size: 1.05em;
  line-height: 1;
}

/* Match stem: KaTeX in options uses the same typewriter face. */
.am-prob__option-text .katex,
.am-prob__option-text .katex *,
.am-prob__option-text .katex .mathnormal,
.am-prob__option-text .katex .mathrm,
.am-prob__option-text .katex .mathit,
.am-prob__option-text .katex .mathbf,
.am-prob__option-text .katex .textit,
.am-prob__option-text .katex .textrm,
.am-prob__option-text .katex .textsf,
.am-prob__option-text .katex .texttt,
.am-prob__option-text .katex .mord,
.am-prob__option-text .katex .mop,
.am-prob__option-text .katex .mbin,
.am-prob__option-text .katex .mrel,
.am-prob__option-text .katex .mopen,
.am-prob__option-text .katex .mclose,
.am-prob__option-text .katex .mpunct,
.am-prob__option-text .katex .minner,
.am-prob__option-text .katex .mtight {
  font-family: var(--am-font-problem) !important;
}

.am-prob__feedback {
  /* Wrong-answer diagnosis — theme orange (not forest teal “correct” cues). */
  --am-fb: #e05a2b;
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: var(--am-radius-sm);
  background: color-mix(in srgb, var(--am-fb) 12%, white);
  border: 1px solid color-mix(in srgb, var(--am-fb) 32%, white);
  border-left: 4px solid var(--am-fb);
  font: 500 0.8125rem/1.5 var(--am-font-body);
  color: color-mix(in srgb, var(--am-fb) 55%, #1c2a32);
}

.am-prob__feedback-title {
  display: inline-block;
  margin: 0 0 6px;
  padding: 2px 9px;
  border-radius: 6px;
  font: 700 0.625rem/1.35 var(--am-font-ui);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  background: var(--am-fb);
}

.am-prob__feedback-body {
  margin: 0;
}

/* Settle messages — scroll top → centered callout → expand to full width. */
.am-tp-settle-stage {
  position: relative;
  margin: 0 0 16px;
  min-height: 3.5rem;
}

.am-tp-settle-backdrop {
  position: fixed;
  inset: 0;
  z-index: 79;
  background: color-mix(in srgb, var(--am-navy) 22%, transparent);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.am-tp-settle-backdrop.is-on {
  opacity: 1;
}

.am-tp-settle-backdrop.is-gone {
  opacity: 0;
}

.am-tp-settle-card {
  box-sizing: border-box;
}

.am-tp-settle-card.is-modal {
  position: fixed;
  top: 42%;
  left: 50%;
  z-index: 80;
  width: min(48rem, calc(100vw - 2.5rem));
  max-width: min(48rem, calc(100vw - 2.5rem));
  margin: 0;
  transform: translate(-50%, -50%);
  will-change: transform;
  box-shadow:
    0 0 0 1px color-mix(in srgb, currentColor 8%, transparent),
    0 18px 40px color-mix(in srgb, var(--am-navy) 16%, transparent),
    0 8px 18px color-mix(in srgb, var(--am-navy) 10%, transparent);
  visibility: hidden;
}

.am-tp-settle-card.is-modal.is-live {
  visibility: visible;
}

.am-tp-settle-card.is-flying {
  position: relative;
  top: auto;
  left: auto;
  z-index: 80;
  width: 100%;
  max-width: 100%;
  margin: 0;
  will-change: transform;
  box-shadow:
    0 0 0 1px color-mix(in srgb, currentColor 8%, transparent),
    0 12px 28px color-mix(in srgb, var(--am-navy) 12%, transparent);
}

.am-tp-settle-card.is-docked {
  position: relative;
  top: auto;
  left: auto;
  z-index: 1;
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
  transform: none;
  box-shadow: none;
}

.am-tp-settle-stage.is-docked {
  min-height: 0;
}

.am-prob__retry-stage {
  --am-retry-orange: #f97316;
  --am-retry-orange-soft: #fff1e6;
}

.am-prob__retry-banner {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--am-radius-md);
  background: var(--am-retry-orange-soft, #fff1e6);
  border: 1px solid color-mix(in srgb, var(--am-retry-orange, #f97316) 28%, var(--am-border));
  border-left: 5px solid color-mix(in srgb, var(--am-retry-orange, #f97316) 72%, #fdba74);
  will-change: transform;
  color: var(--am-retry-orange, #f97316);
}

.am-prob__retry-banner.am-tp-settle-card.is-modal {
  padding: 1.25rem 1.45rem 1.3rem;
  border-radius: 14px;
  border-left-width: 6px;
  font-size: 1.05rem;
  line-height: 1.45;
}

.am-prob__retry-banner--pulse {
  background: color-mix(in srgb, var(--am-retry-orange-soft, #fff1e6) 70%, white);
  border-color: color-mix(in srgb, var(--am-retry-orange, #f97316) 42%, var(--am-border));
  border-left-width: 7px;
}

.am-prob__retry-banner.is-modal {
  animation: am-retry-banner-pulse 1.6s ease-out 1;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--am-retry-orange, #f97316) 18%, transparent),
    0 18px 40px color-mix(in srgb, var(--am-retry-orange, #f97316) 22%, transparent),
    0 8px 18px color-mix(in srgb, var(--am-navy) 12%, transparent);
}

.am-prob__retry-banner__title {
  font: 700 1.25rem/1.25 var(--am-font-display);
  letter-spacing: -0.01em;
  color: var(--am-navy);
  margin-bottom: 0.35rem;
}

.am-prob__retry-banner__title strong {
  font-weight: 800;
}

.am-prob__retry-banner__sub {
  font: 400 0.875rem/1.45 var(--am-font-body);
  color: color-mix(in srgb, var(--am-navy) 78%, var(--am-ink));
}

.am-prob__retry-banner__msg {
  font: 500 1rem/1.45 var(--am-font-body);
  color: color-mix(in srgb, var(--am-navy) 88%, var(--am-ink));
}

.am-prob__retry-banner.am-tp-settle-card.is-modal .am-prob__retry-banner__msg {
  font-size: 1.08rem;
  line-height: 1.5;
}

@keyframes am-retry-banner-pulse {
  0% {
    box-shadow:
      0 0 0 0 color-mix(in srgb, #f97316 40%, transparent),
      0 18px 40px color-mix(in srgb, #f97316 22%, transparent),
      0 8px 18px color-mix(in srgb, #111827 12%, transparent);
  }
  55% {
    box-shadow:
      0 0 0 10px color-mix(in srgb, #f97316 0%, transparent),
      0 20px 44px color-mix(in srgb, #f97316 26%, transparent),
      0 8px 18px color-mix(in srgb, #111827 12%, transparent);
  }
  100% {
    box-shadow:
      0 0 0 1px color-mix(in srgb, #f97316 18%, transparent),
      0 18px 40px color-mix(in srgb, #f97316 22%, transparent),
      0 8px 18px color-mix(in srgb, #111827 12%, transparent);
  }
}

@media (prefers-reduced-motion: reduce) {
  .am-prob__retry-banner.is-modal {
    animation: none;
  }
  .am-tp-settle-backdrop,
  .am-tp-settle-card {
    transition: none;
  }
}

.am-prob__first-try-tag {
  display: inline-block;
  align-self: flex-start;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 0;
  padding: 4px 11px;
  border-radius: 999px;
  font: 600 0.75rem/1.4 var(--am-font-ui);
  letter-spacing: 0.01em;
  text-transform: none;
  color: color-mix(in srgb, #6b4e10 72%, var(--am-navy));
  background: color-mix(in srgb, var(--am-mustard) 32%, white);
  border: 1px solid color-mix(in srgb, var(--am-mustard) 42%, var(--am-border));
}

.am-prob__option.is-first-attempt {
  border-color: color-mix(in srgb, var(--am-navy) 22%, var(--am-border));
  border-left-color: color-mix(in srgb, var(--am-navy) 35%, var(--am-border));
  background: color-mix(in srgb, var(--am-neutral) 35%, var(--am-white));
  cursor: default;
}

.am-prob__option.is-first-attempt .am-prob__letter {
  border-color: color-mix(in srgb, var(--am-navy) 30%, var(--am-border));
  color: color-mix(in srgb, var(--am-navy) 70%, var(--am-ink));
}

.am-prob__hint-inline {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 10px;
  padding: 12px 14px 12px 12px;
  border-radius: var(--am-radius-md);
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--am-soft-yellow) 88%, #fff) 0%,
    color-mix(in srgb, var(--am-mustard) 26%, var(--am-soft-yellow)) 100%
  );
  border: 1px solid color-mix(in srgb, var(--am-mustard) 48%, var(--am-border));
  border-left: 6px solid var(--am-mustard);
  font: 500 0.84375rem/1.55 var(--am-font-body);
  color: var(--am-navy);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--am-mustard) 12%, transparent);
}

.am-prob__hint-label {
  flex: none;
  display: inline-block;
  margin-top: 1px;
  padding: 3px 11px;
  border-radius: 6px;
  font: 700 0.6875rem/1.3 var(--am-font-ui);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #fff;
  background: var(--am-mustard);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--am-mustard) 70%, #000);
}

.am-prob__hint-msg {
  flex: 1;
  min-width: 0;
}

.am-prob__hint-inline strong {
  color: color-mix(in srgb, #7a5a12 75%, var(--am-navy));
  font-weight: 700;
}

.am-prob__hint-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 600 0.7812rem/1 var(--am-font-ui);
  color: var(--am-navy);
  background: var(--am-soft-accent);
  padding: 8px 14px;
  border-radius: var(--am-radius-pill);
  border: 0;
  cursor: pointer;
  margin-bottom: 8px;
}

.am-prob__hint-panel {
  background: var(--am-soft-teal);
  padding: 14px 16px;
  border-radius: var(--am-radius-md);
  margin-bottom: 18px;
  font: 400 0.8125rem/1.6 var(--am-font-body);
  color: var(--am-ink);
}

.am-prob__footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--am-border);
  flex-wrap: wrap;
  text-align: center;
}

.am-prob__footer--gs {
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
}

.am-prob__footer-primary {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 12px;
}

.am-tp-help-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  width: 100%;
  max-width: 22rem;
  margin: 0 auto;
}

.am-tp-help-cards--2 {
  max-width: 28rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.am-tp-fam-card--help {
  padding: 14px 12px 12px;
  min-height: 0;
}

.am-tp-fam-card--coach,
button.am-tp-fam-card.am-tp-fam-card--coach {
  border: 2px solid var(--am-mustard) !important;
  background: color-mix(in srgb, var(--am-primary, #104a65) 4%, #fffef9);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--am-primary, #104a65) 10%, transparent);
}

.am-tp-fam-card--coach:hover,
button.am-tp-fam-card.am-tp-fam-card--coach:hover {
  border-color: color-mix(in srgb, var(--am-mustard) 70%, #8a6a18) !important;
  box-shadow: 0 10px 22px color-mix(in srgb, var(--am-mustard) 18%, transparent);
}

.am-tp-fam-card--coach.am-tp-fam-card--help {
  padding: 16px 14px 14px;
}

.am-tp-fam-card--help .am-tp-fam-card__title {
  font-size: 0.9rem;
}

.am-tp-fam-card__brand {
  margin: 0 0 10px;
  line-height: 1;
}

.am-tp-fam-card__brand .am-brand-wordmark {
  display: inline-flex;
}

.am-tp-fam-card--coach .am-tp-fam-card__brand {
  margin: 0 0 12px;
}

.am-tp-fam-card--coach .am-tp-fam-card__brand .am-brand-wordmark--sm {
  font-size: 1.05rem;
}

.am-tp-fam-card--help .am-tp-fam-card__text {
  margin-bottom: 10px;
  font-size: 0.72rem;
  line-height: 1.35;
}

/* Decorative chevron only when the whole card is the control */
button.am-tp-fam-card--help .am-tp-fam-card__go {
  pointer-events: none;
}

.am-tp-help-cards__peek {
  display: block;
  margin: 0;
  min-width: 0;
}

button.am-tp-fam-card.am-tp-fam-card--seen {
  border: 1.5px solid #6fbfb0;
  background: linear-gradient(180deg, #ffffff 0%, #eaf8f4 100%);
}

.am-tp-fam-card--coach .am-tp-fam-card__go {
  background: color-mix(in srgb, var(--am-mustard) 60%, transparent);
  box-shadow: none;
  color: var(--am-ink);
}

@media (max-width: 560px) {
  .am-tp-help-cards--2 {
    max-width: 22rem;
    grid-template-columns: minmax(0, 1fr);
  }
}

.am-prob__footer > form {
  display: inline-flex;
  margin: 0;
}

.am-prob__footer--teach > form {
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
}

.am-prob__footer--teach {
  flex-direction: column;
  gap: 0.45rem;
}

.am-tp-teach-continue-hint {
  margin: 0;
  max-width: 22rem;
  font: 500 0.78rem/1.35 var(--am-font-body);
  color: var(--am-muted, #5a6a7a);
  text-align: center;
}

.am-prob__footer--split {
  justify-content: center;
  gap: 12px 20px;
}

.am-prob__btn {
  font: 700 0.9375rem/1.1 var(--am-font-ui);
  letter-spacing: 0.01em;
  padding: 14px 30px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35em;
}

.am-prob__btn--skip {
  color: var(--am-navy);
  background: color-mix(in srgb, var(--am-soft-yellow) 78%, white);
  border: 1px solid color-mix(in srgb, var(--am-mustard) 32%, transparent);
}

.am-prob__btn--skip:hover {
  color: var(--am-navy);
  background: color-mix(in srgb, var(--am-soft-yellow) 88%, var(--am-mustard));
  filter: none;
}

.am-prob__btn--skip[aria-disabled="true"] {
  opacity: 0.55;
  cursor: default;
  pointer-events: none;
}

.am-prob__btn--next {
  color: var(--am-white);
  background: var(--am-accent);
  background-image: var(--am-accent-btn);
  padding-left: 34px;
  padding-right: 34px;
}

.am-prob__btn:hover {
  filter: brightness(0.97);
  color: inherit;
}

.am-prob__btn--next:hover {
  color: var(--am-white);
  filter: brightness(1.03);
}

.am-prob__btn--next:disabled,
.am-prob__btn--next[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  filter: none;
  box-shadow: none;
  pointer-events: none;
}

.am-prob__miss-banner {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--am-radius-md);
  background: color-mix(in srgb, var(--am-soft-accent) 78%, var(--am-white));
  border: 1px solid color-mix(in srgb, var(--am-accent) 28%, var(--am-border));
  border-left: 5px solid var(--am-accent);
  color: var(--am-accent);
  will-change: transform;
}

.am-prob__miss-banner.am-tp-settle-card.is-modal {
  padding: 1.35rem 1.5rem 1.4rem;
  border-radius: 14px;
  border-left-width: 6px;
}

.am-prob__miss-banner.am-tp-settle-card.is-modal .am-prob__miss-banner__title {
  font-size: 1.35rem;
}

.am-prob__miss-banner.am-tp-settle-card.is-modal .am-prob__miss-banner__sub {
  font-size: 1rem;
  line-height: 1.5;
}

.am-prob__miss-banner__title {
  font: 700 1.15rem/1.25 var(--am-font-display);
  letter-spacing: -0.01em;
  color: var(--am-navy);
  margin-bottom: 0.3rem;
}

.am-prob__miss-banner__sub {
  font: 400 0.875rem/1.45 var(--am-font-body);
  color: color-mix(in srgb, var(--am-navy) 78%, var(--am-ink));
}

.am-tp-familiarity__header {
  text-align: center;
  margin: 4px 0 16px;
}

.am-tp-familiarity__title {
  position: relative;
  display: inline-block;
  margin: 0 0 6px;
  font: 800 1.28rem/1.2 var(--am-font-display);
  letter-spacing: -0.02em;
  color: var(--am-navy);
}

.am-tp-familiarity__spark {
  position: absolute;
  left: -20px;
  top: 3px;
  width: 12px;
  height: 12px;
  background:
    linear-gradient(90deg, transparent 44%, #f0a03a 44%, #f0a03a 56%, transparent 56%),
    linear-gradient(0deg, transparent 44%, #f0a03a 44%, #f0a03a 56%, transparent 56%),
    linear-gradient(45deg, transparent 46%, #f0a03a 46%, #f0a03a 54%, transparent 54%);
  opacity: 0.9;
}

.am-tp-familiarity__subtitle {
  margin: 0 0 6px;
  font: 500 0.875rem/1.4 var(--am-font-body);
  color: color-mix(in srgb, var(--am-ink) 62%, transparent);
}

.am-tp-stage1-soft-idea {
  margin: 0.85rem 0 0.85rem;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--am-teal, #0d7a6f) 8%, #fff);
  border: 1px solid color-mix(in srgb, var(--am-teal, #0d7a6f) 18%, transparent);
  animation: am-tp-soft-in 0.55s ease 0.7s both;
}

.am-tp-stage1-soft-idea .am-lc__idea-kicker {
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
  line-height: 1.35;
}

.am-tp-stage1-soft-label {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--am-teal, #0d7a6f) 75%, #333);
}

.am-tp-soft-transform {
  margin: 0 0 1rem;
}

.am-tp-soft-original {
  margin: 0 0 0.35rem;
  padding: 0.65rem 0.85rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--am-ink, #1a1a1a) 5%, #f3f1ec);
  border: 1px solid color-mix(in srgb, var(--am-ink, #1a1a1a) 10%, transparent);
  opacity: 0.55;
  filter: grayscale(0.35);
  transform-origin: top center;
  animation: am-tp-soft-dim 0.7s ease both;
}

.am-tp-soft-original__label {
  margin: 0 0 0.3rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--am-ink, #1a1a1a) 55%, transparent);
}

.am-tp-soft-original__stem {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.4;
  color: color-mix(in srgb, var(--am-ink, #1a1a1a) 72%, transparent);
}

.am-tp-soft-arrow {
  display: flex;
  justify-content: center;
  color: var(--am-teal, #0d7a6f);
  margin: 0.15rem 0 0.55rem;
  animation: am-tp-soft-arrow 0.65s cubic-bezier(0.2, 1.1, 0.3, 1) 0.2s both;
}

.am-tp-soft-simpler {
  margin: 0 0 0.35rem;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  background: #fff;
  border: 1.5px solid color-mix(in srgb, var(--am-teal, #0d7a6f) 35%, transparent);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--am-teal, #0d7a6f) 12%, transparent);
  animation: am-tp-soft-in 0.6s ease 0.45s both;
}

.am-tp-soft-simpler__intro {
  margin: 0 0 0.55rem;
  font-size: 0.92rem;
  color: color-mix(in srgb, var(--am-ink, #1a1a1a) 78%, transparent);
}

.am-tp-soft-simpler__steps {
  margin: 0;
  padding-left: 1.2rem;
}

.am-tp-soft-simpler__step {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  line-height: 1.45;
  animation: am-tp-soft-step 0.45s ease both;
  animation-delay: calc(0.55s + var(--am-soft-i, 0) * 0.12s);
}

.am-tp-soft-simpler__step:last-child {
  margin-bottom: 0;
}

@keyframes am-tp-soft-dim {
  from { opacity: 1; filter: grayscale(0); transform: scale(1); }
  to { opacity: 0.55; filter: grayscale(0.35); transform: scale(0.985); }
}

@keyframes am-tp-soft-arrow {
  from { opacity: 0; transform: translateY(-10px) scale(0.85); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes am-tp-soft-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes am-tp-soft-step {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .am-tp-soft-original,
  .am-tp-soft-arrow,
  .am-tp-stage1-soft-idea,
  .am-tp-soft-simpler,
  .am-tp-soft-simpler__step {
    animation: none !important;
  }
}

.am-tp-familiarity__you {
  position: relative;
  color: var(--am-navy);
  font-weight: 700;
}

.am-tp-familiarity__you::after {
  content: "";
  position: absolute;
  left: -2%;
  right: -2%;
  bottom: -2px;
  height: 3px;
  border-radius: 2px;
  background: color-mix(in srgb, #f0a03a 85%, var(--am-mustard));
  transform: rotate(-1.5deg);
}

.am-tp-familiarity__honest {
  margin: 0;
  font: 400 0.8125rem/1.4 var(--am-font-body);
  color: var(--am-ink);
}

.am-tp-familiarity__grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
  max-width: 560px;
  margin: 0 auto;
}

.am-tp-familiarity__grid::before {
  content: "";
  position: absolute;
  top: 44%;
  left: 10%;
  right: 10%;
  border-top: 2px dotted color-mix(in srgb, var(--am-primary) 22%, var(--am-border));
  z-index: 0;
  pointer-events: none;
}

.am-tp-fam-card {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: 0;
  padding: 16px 12px 14px;
  min-height: 0;
  border-radius: 14px;
  background: #fff;
  border: 1.5px solid var(--am-border);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--am-navy) 7%, transparent);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.am-tp-fam-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px color-mix(in srgb, var(--am-navy) 11%, transparent);
}

.am-tp-fam-card--new {
  border-color: #7eb6d8;
  background: linear-gradient(180deg, #ffffff 0%, #eef6fc 100%);
}

.am-tp-fam-card--seen {
  border-color: #6fbfb0;
  background: linear-gradient(180deg, #ffffff 0%, #eaf8f4 100%);
}

.am-tp-fam-card--unsure {
  border-color: #e4a86a;
  background: linear-gradient(180deg, #ffffff 0%, #fbf3ea 100%);
}

.am-tp-fam-card__dots {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 12px;
  height: 12px;
  background-image: radial-gradient(circle, color-mix(in srgb, currentColor 45%, transparent) 1.1px, transparent 1.3px);
  background-size: 4px 4px;
  background-repeat: repeat;
  opacity: 0.65;
  color: #7eb6d8;
}

.am-tp-fam-card--seen .am-tp-fam-card__dots { color: #6fbfb0; }
.am-tp-fam-card--unsure .am-tp-fam-card__dots { color: #e4a86a; }

.am-tp-fam-card__icon {
  display: inline-flex;
  margin-bottom: 8px;
}

.am-tp-fam-card__icon svg {
  width: 42px;
  height: 42px;
}

.am-tp-fam-card__title {
  margin: 0 0 6px;
  font: 800 0.95rem/1.2 var(--am-font-ui);
  color: var(--am-navy);
}

.am-tp-fam-card__text {
  margin: 0 0 12px;
  flex: 1;
  font: 400 0.75rem/1.35 var(--am-font-body);
  color: color-mix(in srgb, var(--am-navy) 82%, var(--am-ink));
}

.am-tp-fam-card__go {
  width: 36px;
  height: 36px;
  margin-top: auto;
  border: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 10px color-mix(in srgb, var(--am-navy) 18%, transparent);
}

.am-tp-fam-card--new .am-tp-fam-card__go {
  background: linear-gradient(165deg, #6aa8cc 0%, #3d7aa3 55%, #2f6f96 100%);
  box-shadow: 0 4px 10px color-mix(in srgb, #3d7aa3 30%, transparent);
}

.am-tp-fam-card--seen .am-tp-fam-card__go {
  background: linear-gradient(165deg, #6fbfb0 0%, #3d9a8a 55%, #2b7d70 100%);
  box-shadow: 0 4px 10px color-mix(in srgb, #3d9a8a 30%, transparent);
}

.am-tp-fam-card--unsure .am-tp-fam-card__go {
  background: linear-gradient(165deg, #f0a03a 0%, #e08928 55%, #c56e14 100%);
  box-shadow: 0 4px 10px color-mix(in srgb, #e08928 30%, transparent);
}

.am-tp-fam-card__go:hover,
.am-tp-fam-card__go:focus-visible {
  filter: brightness(1.06);
  outline: none;
}

@media (max-width: 760px) {
  .am-tp-familiarity__grid {
    grid-template-columns: 1fr;
    max-width: 280px;
  }
  .am-tp-familiarity__grid::before {
    display: none;
  }
}

.am-prob__admin-meta {
  font: 400 0.8125rem/1.45 var(--am-font-body);
  color: color-mix(in srgb, var(--am-ink) 70%, transparent);
  margin: 0 0 16px;
}

.am-prob__rationale {
  font: 400 0.75rem/1.45 var(--am-font-body);
  color: color-mix(in srgb, var(--am-ink) 65%, transparent);
  margin-top: 4px;
}

.am-prob__admin-field {
  font: 400 0.75rem/1.45 var(--am-font-body);
  color: var(--am-accent);
  margin-top: 6px;
}

.am-tp-sticky {
  position: sticky;
  top: var(--am-nav-sticky-offset, 59px);
  z-index: 30;
  margin: 0 0 10px;
  padding: 8px 4px 10px;
  background: var(--am-page);
  box-shadow: 0 10px 18px -14px color-mix(in srgb, var(--am-ink) 35%, transparent);
}

/* First-open (TP intro + topic intro): full-bleed paper, no card shell. */
body.am-tp-first-open {
  --am-lc-paper: #fffef9;
  background: var(--am-lc-paper);
}

body.am-tp-first-open .am-main {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
}

body.am-tp-first-open .am-tp-sticky--first-open {
  width: var(--am-page-width);
  max-width: none;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
  background: var(--am-lc-paper);
  backdrop-filter: none;
  box-shadow: none;
}

/* Keep intro panels shell-free even if markup regresses. */
body.am-tp-first-open .am-tp-intro,
body.am-tp-first-open .am-tp-topic-intro,
body.am-tp-first-open .am-tp-intro.am-card-shell,
body.am-tp-first-open .am-tp-topic-intro.am-card-shell {
  background-color: var(--am-lc-paper);
  background-image: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

body.am-tp-first-open .am-tp-intro .am-card-shell__ambient,
body.am-tp-first-open .am-tp-topic-intro .am-card-shell__ambient {
  display: none;
}

.am-tp-sticky .am-back {
  margin-top: 0;
  margin-bottom: 0;
}

.am-tp-sticky .am-tp-chrome {
  margin-bottom: 0;
}

.am-tp-chrome-admin {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px 16px;
  flex-wrap: wrap;
  margin: 0 0 20px;
}

.am-tp-chrome-admin .am-admin-only--stack {
  flex: 1 1 16rem;
  margin: 0;
}

.am-tp-chrome-admin .am-admin-only--toolbar {
  flex: 0 0 auto;
  margin: 0;
}

.am-tp-chrome {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.am-tp-chrome__main {
  flex: 1 1 14rem;
  min-width: 0;
}

.am-tp-chrome__topic {
  margin: 0 0 4px;
  font: 700 1.05rem/1.25 var(--am-font-page-title);
  letter-spacing: -0.01em;
  color: var(--am-navy);
}

.am-tp-progress {
  border: 0;
  padding: 0;
  background: transparent;
  max-width: min(36rem, calc(100vw - 24px));
}

.am-tp-progress::backdrop {
  background: color-mix(in srgb, var(--am-navy) 42%, transparent);
}

.am-tp-progress__card {
  background: #e7e7e7;
  border: 1px solid var(--am-border);
  border-radius: 16px;
  box-shadow: 0 18px 40px color-mix(in srgb, var(--am-navy) 18%, transparent);
  max-height: min(78vh, 40rem);
  overflow: auto;
  padding: 16px 16px 12px;
}

.am-tp-progress__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.am-tp-progress__title {
  margin: 0 0 4px;
  font: 700 1.15rem/1.25 var(--am-font-page-title);
  color: var(--am-navy);
}

.am-tp-progress__sub {
  font: 500 0.8125rem/1.4 var(--am-font-body);
  color: #5a6570;
}

.am-tp-progress__close {
  flex: none;
  width: 32px;
  height: 32px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: color-mix(in srgb, var(--am-navy) 55%, transparent);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.am-tp-progress__close:hover,
.am-tp-progress__close:focus-visible {
  color: var(--am-navy);
  background: color-mix(in srgb, var(--am-navy) 8%, transparent);
  outline: none;
}

.am-tp-progress__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: min(60vh, 520px);
  overflow: auto;
}

.am-tp-progress__group {
  margin: 0;
  padding: 0;
}

.am-tp-progress__group-title {
  margin: 0 0 8px;
  padding: 0 2px;
  font: 700 0.6875rem/1.25 var(--am-font-ui);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--am-navy) 62%, #5a6570);
}

.am-tp-progress__buckets {
  gap: 18px;
}

.am-tp-progress__bucket-empty {
  margin: 0;
  padding: 0 2px 4px;
  font: 500 0.8125rem/1.35 var(--am-font-body);
  color: #5a6570;
}

.am-tp-progress__group-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.am-tp-progress__row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--am-border);
  background: var(--am-white);
}

.am-tp-progress__dot {
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 5px;
  border-radius: 50%;
  background: #b0b0b0;
}

.am-tp-progress__name {
  font: 650 0.875rem/1.35 var(--am-font-ui);
  color: var(--am-navy);
}

.am-tp-progress__tried {
  margin-left: 0.2em;
  font: 600 0.8125rem/1.35 var(--am-font-ui);
  color: #5a6570;
  white-space: nowrap;
}

.am-tp-progress__track {
  margin-top: 6px;
  height: 5px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--am-navy) 8%, #e8eaed);
  overflow: hidden;
}

.am-tp-progress__fill {
  display: block;
  height: 100%;
  min-width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #d4b45c, #a8862e);
  transition: width 0.25s ease;
}

.am-tp-progress__fill.is-full {
  background: linear-gradient(90deg, #3a9a8a, #1f6f78);
}

.am-tp-progress__row.is-ready .am-tp-progress__fill,
.am-tp-progress__row.is-secure .am-tp-progress__fill {
  background: linear-gradient(90deg, #3a9a8a, #1f6f78);
}

.am-tp-progress__row.is-needs_review .am-tp-progress__fill {
  background: linear-gradient(90deg, #e08a5c, #c45a2a);
}

.am-tp-progress__row.is-not_started .am-tp-progress__fill {
  background: #c5c9ce;
}

.am-tp-progress__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin-top: 4px;
  font: 500 0.75rem/1.35 var(--am-font-body);
  color: #5a6570;
}

.am-tp-progress__stage {
  font-weight: 700;
}

.am-tp-progress__lc {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 2px;
  padding: 2px 8px 2px 6px;
  border-radius: 999px;
  font: 600 0.6875rem/1.3 var(--am-font-ui);
  letter-spacing: 0.02em;
  text-decoration: none;
  color: #1f6f78;
  background: color-mix(in srgb, #1f6f78 14%, white);
  border: 1px solid color-mix(in srgb, #1f6f78 28%, white);
}

a.am-tp-progress__lc:hover,
a.am-tp-progress__lc:focus-visible {
  background: color-mix(in srgb, #1f6f78 22%, white);
  outline: none;
}

.am-tp-progress__lc.is-plain {
  color: color-mix(in srgb, #1f6f78 70%, #5a6570);
  cursor: default;
}

.am-tp-progress__lc-check {
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
}

.am-tp-progress__row.is-current {
  border-color: var(--am-math-exponent);
  background: color-mix(in srgb, var(--am-math-exponent) 12%, var(--am-white));
}

.am-tp-progress__row.is-current .am-tp-progress__dot {
  background: var(--am-math-exponent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--am-math-exponent) 45%, transparent);
  animation: am-tp-live-blink 1.15s ease-in-out infinite;
}

.am-tp-progress__row.is-ready {
  border-color: color-mix(in srgb, var(--am-primary) 40%, var(--am-border));
  background: color-mix(in srgb, var(--am-soft-teal) 55%, var(--am-white));
}

.am-tp-progress__row.is-ready .am-tp-progress__dot {
  background: var(--am-primary);
}

.am-tp-progress__row.is-secure {
  border-color: color-mix(in srgb, var(--am-navy) 35%, var(--am-border));
  background: #d4e4ea;
}

.am-tp-progress__row.is-secure .am-tp-progress__dot {
  background: transparent;
  color: #1f6f78;
}

.am-tp-progress__dot.is-done {
  width: auto;
  height: auto;
  min-width: 10px;
  margin-top: 2px;
  border-radius: 0;
  font: 700 0.875rem/1 var(--am-font-ui);
  background: transparent;
  color: #1f6f78;
  box-shadow: none;
  animation: none;
}

.am-tp-progress__row.is-needs_check,
.am-tp-progress__row.is-in_progress {
  border-color: color-mix(in srgb, var(--am-mustard) 45%, var(--am-border));
  background: color-mix(in srgb, var(--am-soft-yellow) 55%, var(--am-white));
}

.am-tp-progress__row.is-needs_check .am-tp-progress__dot,
.am-tp-progress__row.is-in_progress .am-tp-progress__dot {
  background: #c49a1a;
}

.am-tp-progress__row.is-needs_review {
  border-color: color-mix(in srgb, var(--am-accent) 35%, var(--am-border));
  background: color-mix(in srgb, var(--am-soft-accent) 45%, var(--am-white));
}

.am-tp-progress__row.is-needs_review .am-tp-progress__dot {
  background: var(--am-accent);
}

.am-tp-progress__row.is-not_started {
  border-color: color-mix(in srgb, #b0b0b0 45%, var(--am-border));
  background: color-mix(in srgb, #f4f5f6 70%, var(--am-white));
}

.am-tp-progress__row.is-not_started .am-tp-progress__dot {
  background: #b0b0b0;
}

.am-tp-progress__row.is-not_started .am-tp-progress__name,
.am-tp-progress__row.is-not_started .am-tp-progress__meta,
.am-tp-progress__row.is-not_started .am-tp-progress__stage {
  color: #b0b0b0;
}

.am-tp-progress__empty {
  color: #5a6570;
  font: 500 0.875rem/1.45 var(--am-font-body);
  padding: 8px 4px 12px;
}

@media (prefers-reduced-motion: reduce) {
  .am-tp-progress__row.is-current .am-tp-progress__dot {
    animation: none;
  }
}

.am-tp-chrome__aside {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.am-tp-lesson-tab {
  --am-tp-lesson-pad-x: 7px;
  display: inline-flex;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 5px var(--am-tp-lesson-pad-x);
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--am-navy) 16%, transparent);
  background: color-mix(in srgb, var(--am-navy) 5%, #fff);
  color: var(--am-navy);
  text-decoration: none;
  font: 650 0.72rem/1.2 var(--am-font-ui, inherit);
  letter-spacing: 0.01em;
  white-space: nowrap;
  max-width: 2rem;
  overflow: hidden;
  vertical-align: middle;
  transition:
    max-width 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    gap 0.22s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.am-tp-lesson-tab__ico {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  color: color-mix(in srgb, var(--am-primary, #1f6f78) 85%, var(--am-navy));
}

.am-tp-lesson-tab__label {
  display: inline-block;
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  transition:
    max-width 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.18s ease;
}

.am-tp-lesson-tab:hover,
.am-tp-lesson-tab:focus-visible {
  max-width: 14rem;
  gap: 6px;
  background: color-mix(in srgb, var(--am-primary, #1f6f78) 12%, #fff);
  border-color: color-mix(in srgb, var(--am-primary, #1f6f78) 35%, transparent);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--am-navy) 8%, transparent);
  outline: none;
  color: var(--am-navy);
}

.am-tp-lesson-tab:hover .am-tp-lesson-tab__label,
.am-tp-lesson-tab:focus-visible .am-tp-lesson-tab__label {
  max-width: 12rem;
  opacity: 1;
}

@media (hover: none) {
  /* Touch: keep the title visible — no hover to expand. */
  .am-tp-lesson-tab {
    max-width: 14rem;
    gap: 6px;
  }
  .am-tp-lesson-tab__label {
    max-width: 12rem;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .am-tp-lesson-tab,
  .am-tp-lesson-tab__label {
    transition: none;
  }
}

.am-tp-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 4px;
}

.am-tp-meters {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 6px;
  margin: 0;
  margin-left: auto;
  flex: 0 1 auto;
  max-width: 100%;
}

.am-tp-toward {
  display: block;
  flex: 1 1 11rem;
  width: auto;
  min-width: 10.5rem;
  max-width: 14rem;
  margin: 0;
  padding: 5px 8px 6px;
  border: 1px solid color-mix(in srgb, var(--am-primary) 18%, var(--am-border));
  border-radius: 10px;
  background: color-mix(in srgb, var(--am-soft-teal) 42%, var(--am-white));
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
  transition:
    background 0.12s ease,
    border-color 0.12s ease,
    box-shadow 0.12s ease;
}

.am-tp-toward:hover,
.am-tp-toward:focus-visible {
  background: color-mix(in srgb, var(--am-soft-teal) 72%, var(--am-white));
  border-color: color-mix(in srgb, var(--am-primary) 42%, var(--am-border));
  box-shadow: 0 4px 12px color-mix(in srgb, var(--am-primary) 12%, transparent);
  outline: none;
}

.am-tp-toward:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--am-primary) 22%, transparent);
}

.am-tp-toward:active {
  transform: translateY(0.5px);
}

.am-tp-toward--check {
  background: color-mix(in srgb, var(--am-mustard) 18%, var(--am-white));
  border-color: color-mix(in srgb, var(--am-mustard) 38%, var(--am-border));
}

.am-tp-toward--check:hover,
.am-tp-toward--check:focus-visible {
  background: color-mix(in srgb, var(--am-mustard) 32%, var(--am-white));
  border-color: color-mix(in srgb, var(--am-mustard) 55%, var(--am-border));
  box-shadow: 0 4px 12px color-mix(in srgb, var(--am-mustard) 18%, transparent);
}

.am-tp-toward--check:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--am-mustard) 28%, transparent);
}

.am-tp-toward--check .am-tp-toward__label {
  color: color-mix(in srgb, var(--am-mustard) 42%, var(--am-navy));
}

.am-tp-toward--check .am-tp-toward__cta {
  background: color-mix(in srgb, var(--am-primary) 40%, transparent);
  color: var(--am-primary);
  box-shadow: none;
}

.am-tp-toward--check:hover .am-tp-toward__cta,
.am-tp-toward--check:focus-visible .am-tp-toward__cta {
  background: color-mix(in srgb, var(--am-primary) 52%, transparent);
  color: var(--am-primary);
}

.am-tp-toward--check .am-tp-toward__fill {
  background: linear-gradient(90deg, #d4b45c, #a8862e);
}

.am-tp-toward--plan {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  align-self: center;
  gap: 0;
  min-width: 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.am-tp-toward--plan:hover,
.am-tp-toward--plan:focus-visible {
  background: transparent;
  border: 0;
  box-shadow: none;
}

.am-tp-toward--plan:focus-visible .am-tp-toward__cta {
  outline: 2px solid color-mix(in srgb, var(--am-primary) 45%, transparent);
  outline-offset: 2px;
}

.am-tp-toward__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
}

.am-tp-toward__label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--am-primary);
  line-height: 1.2;
  white-space: nowrap;
}

.am-tp-toward__open {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  white-space: nowrap;
  color: #5a6570;
}

.am-tp-toward__count {
  font-size: 0.75rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: #5a6570;
}

.am-tp-toward__cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 7px;
  background: color-mix(in srgb, var(--am-primary) 40%, transparent);
  color: var(--am-primary);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1;
  box-shadow: none;
  text-transform: none;
}

.am-tp-toward:hover .am-tp-toward__cta,
.am-tp-toward:focus-visible .am-tp-toward__cta {
  background: color-mix(in srgb, var(--am-primary) 52%, transparent);
  color: var(--am-primary);
}

.am-tp-toward__chev {
  flex: none;
  display: block;
  color: currentColor;
  transition: transform 0.12s ease;
}

.am-tp-toward:hover .am-tp-toward__chev,
.am-tp-toward:focus-visible .am-tp-toward__chev {
  transform: translateX(2px);
}

.am-tp-toward:hover .am-tp-toward__count,
.am-tp-toward:focus-visible .am-tp-toward__count {
  color: var(--am-navy);
}

.am-tp-toward__track {
  display: block;
  margin-top: 4px;
  height: 5px;
  border-radius: 999px;
  background: #b0b0b0;
  overflow: hidden;
}

.am-tp-toward__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #5a9a9a, #2d6f6f);
  transition: width 0.25s ease;
}

.am-tp-toward__fill.is-full {
  filter: brightness(0.92);
}

@media (max-width: 720px) {
  .am-tp-meters {
    margin-left: 0;
    width: 100%;
  }

  .am-tp-toward {
    max-width: none;
  }
}


.am-tp-ideas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  margin: 0;
  flex: 1 1 12rem;
  min-width: 0;
}

.am-tp-ideas__label {
  flex: 0 0 auto;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--am-primary);
  margin: 0;
  white-space: nowrap;
}

.am-tp-ideas__crumb {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  min-width: 0;
}

.am-tp-ideas__sub {
  font: 500 0.75rem/1.3 var(--am-font-ui);
  color: #6b737a;
  white-space: nowrap;
  max-width: 14rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

.am-tp-ideas__arrow {
  flex: none;
  font-size: 0.7rem;
  line-height: 1;
  color: #8a9198;
  user-select: none;
}

.am-tp-ideas__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
}

.am-tp-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  border-radius: 999px;
  padding: 4px 10px;
  border: 1px solid var(--am-border);
  background: var(--am-canvas);
  color: #5a6570;
  width: max-content;
  max-width: min(100%, 36rem);
  transition:
    border-color 0.12s ease,
    background 0.12s ease,
    box-shadow 0.2s ease;
}

.am-tp-chip.is-expandable:hover,
.am-tp-chip.is-expandable:focus-visible {
  z-index: 2;
  outline: none;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--am-navy) 12%, transparent);
}

.am-tp-chip__text {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.am-tp-chip__copy {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 6px;
}

.am-tp-chip__sub {
  flex: none;
  font: 500 0.75rem/1.3 var(--am-font-ui);
  color: #8a9198;
  white-space: nowrap;
}

.am-tp-chip.is-current .am-tp-chip__sub {
  color: #8a9198;
  font-weight: 500;
}

.am-tp-chip__arrow {
  flex: none;
  font-size: 0.7rem;
  line-height: 1;
  color: #b0b6bb;
  user-select: none;
}

.am-tp-chip__short,
.am-tp-chip__full {
  white-space: nowrap;
}

/* Full name out of flow until hover — chip width follows short label. */
.am-tp-chip:not(.is-current):not(.am-tp-chip--more) .am-tp-chip__full {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.am-tp-chip.is-expandable:hover .am-tp-chip__short,
.am-tp-chip.is-expandable:focus-visible .am-tp-chip__short {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.am-tp-chip.is-expandable:hover .am-tp-chip__full,
.am-tp-chip.is-expandable:focus-visible .am-tp-chip__full {
  position: static;
  transform: none;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .am-tp-chip {
    transition: none;
  }
}

.am-tp-chip.is-ready {
  border-color: var(--am-primary);
  background: var(--am-soft-teal);
  color: var(--am-primary);
  font-weight: 600;
}

.am-tp-chip.is-secure {
  border-color: var(--am-navy);
  background: #d4e4ea;
  color: var(--am-navy);
  font-weight: 600;
}

.am-tp-chip.is-current {
  border-color: var(--am-math-exponent);
  background: color-mix(in srgb, var(--am-math-exponent) 12%, var(--am-white));
  color: color-mix(in srgb, var(--am-math-exponent) 78%, var(--am-navy));
  font-weight: 600;
}

.am-tp-chip__mark {
  font-size: 0.7rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.7rem;
  height: 0.7rem;
}

.am-tp-chip.is-ready .am-tp-chip__mark::before,
.am-tp-chip.is-secure .am-tp-chip__mark::before {
  content: "✓";
}

.am-tp-chip.is-current .am-tp-chip__mark::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--am-math-exponent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--am-math-exponent) 55%, transparent);
  animation: am-tp-live-blink 1.15s ease-in-out infinite;
}

.am-tp-chip:not(.is-ready):not(.is-secure):not(.is-current):not(.am-tp-chip--more) .am-tp-chip__mark::before {
  content: "·";
  opacity: 0.5;
}

@keyframes am-tp-live-blink {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--am-math-exponent) 50%, transparent);
  }
  50% {
    opacity: 0.35;
    transform: scale(0.85);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--am-math-exponent) 0%, transparent);
  }
}

@media (prefers-reduced-motion: reduce) {
  .am-tp-chip.is-current .am-tp-chip__mark::before {
    animation: none;
    opacity: 1;
  }
}

.am-tp-chip--more {
  border-style: dashed;
  color: var(--am-primary);
}

.am-tp-chip--more .am-tp-chip__mark::before {
  content: "" !important;
}

.am-tp-cleared-line {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--am-navy);
  margin-top: 8px;
}


.am-tp-score {
  --am-tp-score-ink: #f6f4ea;
  --am-tp-score-gold: var(--am-mustard);
  --am-tp-score-field: #0c3d32;
  position: relative;
  isolation: isolate;
  z-index: 1;
  text-align: center;
  line-height: 1.1;
  min-width: 5.35rem;
  padding: 9px 15px 15px;
  border-radius: 16px;
  color: var(--am-tp-score-ink);
  background:
    radial-gradient(90% 70% at 50% -10%, color-mix(in srgb, var(--am-tp-score-gold) 38%, transparent) 0%, transparent 52%),
    radial-gradient(80% 50% at 100% 100%, color-mix(in srgb, #041611 55%, transparent), transparent 70%),
    linear-gradient(165deg, #1a6b56 0%, var(--am-tp-score-field) 48%, #07251e 100%);
  border: 1.5px solid color-mix(in srgb, var(--am-tp-score-gold) 82%, #fff);
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 40%, transparent) inset,
    0 0 0 1px color-mix(in srgb, #041611 35%, transparent) inset,
    0 10px 22px color-mix(in srgb, var(--am-tp-score-field) 32%, transparent);
  transform-origin: 50% 50%;
  transition:
    transform 0.28s cubic-bezier(0.2, 1.25, 0.3, 1),
    box-shadow 0.28s ease,
    border-color 0.28s ease,
    filter 0.28s ease;
}

.am-tp-score > *:not(.am-tp-score__sheen):not(.am-tp-score__sparks):not(.am-tp-score__bump) {
  position: relative;
  z-index: 1;
}

.am-tp-score::before {
  content: "";
  position: absolute;
  inset: 4px;
  z-index: 0;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--am-tp-score-gold) 32%, transparent);
  background-image:
    repeating-linear-gradient(
      -32deg,
      transparent 0 5px,
      color-mix(in srgb, var(--am-tp-score-gold) 8%, transparent) 5px 6px
    );
  pointer-events: none;
}

.am-tp-score::after {
  content: "";
  position: absolute;
  inset: 7px;
  z-index: 1;
  border-radius: 11px;
  border: 1.5px solid color-mix(in srgb, var(--am-tp-score-gold) 78%, #fff);
  box-shadow:
    0 0 5px color-mix(in srgb, var(--am-tp-score-gold) 42%, transparent),
    inset 0 0 3px color-mix(in srgb, var(--am-tp-score-gold) 28%, transparent);
  pointer-events: none;
}

.am-tp-score__sheen {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  border-radius: inherit;
  pointer-events: none;
}

.am-tp-score__sheen::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -80%;
  width: 42%;
  height: 200%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    color-mix(in srgb, #fff 18%, transparent) 35%,
    color-mix(in srgb, var(--am-tp-score-gold) 55%, #fff) 50%,
    color-mix(in srgb, #fff 18%, transparent) 65%,
    transparent 100%
  );
  transform: translateX(-140%) rotate(18deg);
}

.am-tp-score__sparks {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.am-tp-score__spark {
  position: absolute;
  width: 7px;
  height: 7px;
  background: var(--am-tp-score-gold);
  clip-path: polygon(50% 0, 61% 35%, 100% 50%, 61% 65%, 50% 100%, 39% 65%, 0 50%, 39% 35%);
  opacity: 0;
  filter: drop-shadow(0 0 3px color-mix(in srgb, var(--am-tp-score-gold) 80%, transparent));
}

.am-tp-score__spark:nth-child(1) { top: 10%; left: 14%; }
.am-tp-score__spark:nth-child(2) { top: 18%; right: 10%; }
.am-tp-score__spark:nth-child(3) { bottom: 22%; left: 8%; }
.am-tp-score__spark:nth-child(4) { bottom: 16%; right: 12%; }

@media (hover: hover) and (pointer: fine) {
  .am-tp-score.is-grow {
    z-index: 4;
    transform: scale(1.22);
    filter: saturate(1.16) brightness(1.05);
    border-color: #ffe7a3;
    box-shadow:
      0 1px 0 color-mix(in srgb, #fff 50%, transparent) inset,
      0 0 0 1px color-mix(in srgb, #041611 25%, transparent) inset,
      0 0 0 3px color-mix(in srgb, var(--am-tp-score-gold) 45%, transparent),
      0 0 26px color-mix(in srgb, var(--am-tp-score-gold) 55%, transparent),
      0 16px 28px color-mix(in srgb, var(--am-tp-score-field) 38%, transparent);
  }

  .am-tp-score.is-grow::before {
    animation: am-tp-score-hatch 0.85s linear;
    border-color: color-mix(in srgb, var(--am-tp-score-gold) 70%, transparent);
  }

  .am-tp-score.is-grow .am-tp-score__sheen::before {
    animation: am-tp-score-sheen 0.7s ease;
  }

  .am-tp-score.is-grow .am-tp-score__mark {
    animation: am-tp-score-mark-burst 0.65s cubic-bezier(0.2, 1.4, 0.3, 1) forwards;
  }

  .am-tp-score.is-grow .am-tp-score__spark:nth-child(1) {
    animation: am-tp-score-spark 0.7s ease 0.02s both;
  }
  .am-tp-score.is-grow .am-tp-score__spark:nth-child(2) {
    animation: am-tp-score-spark 0.7s ease 0.08s both;
  }
  .am-tp-score.is-grow .am-tp-score__spark:nth-child(3) {
    animation: am-tp-score-spark 0.75s ease 0.12s both;
  }
  .am-tp-score.is-grow .am-tp-score__spark:nth-child(4) {
    animation: am-tp-score-spark 0.72s ease 0.05s both;
  }
}

.am-tp-score.is-hit {
  animation: am-tp-score-hit 0.7s ease;
}

.am-tp-score__mark {
  display: block;
  margin: 0 auto 2px;
  color: var(--am-tp-score-gold);
  line-height: 0;
  filter: drop-shadow(0 0 5px color-mix(in srgb, var(--am-tp-score-gold) 60%, transparent));
  animation: am-tp-score-mark 4.2s ease-in-out infinite;
}

.am-tp-score__mark svg {
  display: block;
  margin: 0 auto;
  fill: currentColor;
}

.am-tp-score__label {
  display: block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--am-tp-score-gold) 82%, #fff);
  margin-bottom: 1px;
}

.am-tp-score__total {
  display: inline-block;
  font-family: var(--am-font-page-title);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--am-tp-score-ink);
  font-variant-numeric: tabular-nums;
  text-shadow:
    0 1px 0 color-mix(in srgb, #000 30%, transparent),
    0 0 14px color-mix(in srgb, var(--am-tp-score-gold) 28%, transparent);
}

.am-tp-score__total.is-pulse {
  animation: am-tp-score-pulse 0.55s ease;
}

.am-tp-score__bench-msg {
  display: block;
  margin-top: 6px;
  max-width: 10rem;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.68rem;
  font-weight: 650;
  line-height: 1.25;
  color: color-mix(in srgb, var(--am-tp-score-gold) 90%, #fff);
}

.am-tp-score__bench-msg strong {
  font-weight: 800;
  color: #fff;
}

.am-tp-score.is-bench {
  animation: am-tp-score-bench 0.85s ease;
}

.am-tp-score.is-bench-big {
  animation: am-tp-score-bench-big 1.1s cubic-bezier(0.2, 1.2, 0.3, 1);
}

@keyframes am-tp-score-bench {
  0% { transform: scale(1); filter: brightness(1); }
  35% { transform: scale(1.08); filter: brightness(1.12); }
  100% { transform: scale(1); filter: brightness(1); }
}

@keyframes am-tp-score-bench-big {
  0% { transform: scale(1); filter: brightness(1); }
  30% {
    transform: scale(1.14);
    filter: brightness(1.18);
    box-shadow:
      0 0 0 3px color-mix(in srgb, var(--am-tp-score-gold) 55%, transparent),
      0 0 28px color-mix(in srgb, var(--am-tp-score-gold) 60%, transparent),
      0 16px 28px color-mix(in srgb, var(--am-tp-score-field) 38%, transparent);
  }
  100% { transform: scale(1); filter: brightness(1); }
}

@keyframes am-tp-score-mark {
  0%,
  100% { filter: drop-shadow(0 0 4px color-mix(in srgb, var(--am-tp-score-gold) 42%, transparent)); transform: scale(1); }
  50% { filter: drop-shadow(0 0 7px color-mix(in srgb, var(--am-tp-score-gold) 72%, transparent)); transform: scale(1.04); }
}

@keyframes am-tp-score-mark-burst {
  0% { transform: scale(1); filter: drop-shadow(0 0 4px color-mix(in srgb, var(--am-tp-score-gold) 40%, transparent)); }
  45% { transform: scale(1.45); filter: drop-shadow(0 0 14px color-mix(in srgb, var(--am-tp-score-gold) 90%, transparent)); }
  100% { transform: scale(1.12); filter: drop-shadow(0 0 10px color-mix(in srgb, var(--am-tp-score-gold) 80%, transparent)); }
}

@keyframes am-tp-score-sheen {
  0% { transform: translateX(-140%) rotate(18deg); }
  100% { transform: translateX(380%) rotate(18deg); }
}

@keyframes am-tp-score-hatch {
  0% { background-position: 0 0; }
  100% { background-position: 22px 14px; }
}

@keyframes am-tp-score-spark {
  0% { opacity: 0; transform: scale(0.4) translate(0, 0) rotate(0deg); }
  28% { opacity: 1; transform: scale(1.15) translate(0, -4px) rotate(40deg); }
  100% { opacity: 0; transform: scale(0.7) translate(var(--spark-x, 10px), var(--spark-y, -16px)) rotate(140deg); }
}

.am-tp-score__spark:nth-child(1) { --spark-x: -12px; --spark-y: -18px; }
.am-tp-score__spark:nth-child(2) { --spark-x: 14px; --spark-y: -16px; }
.am-tp-score__spark:nth-child(3) { --spark-x: -16px; --spark-y: 10px; }
.am-tp-score__spark:nth-child(4) { --spark-x: 16px; --spark-y: 8px; }

@keyframes am-tp-score-pulse {
  0% { transform: scale(1); }
  40% { transform: scale(1.16); }
  100% { transform: scale(1); }
}

@keyframes am-tp-score-hit {
  0% {
    box-shadow:
      0 1px 0 color-mix(in srgb, #fff 40%, transparent) inset,
      0 0 0 1px color-mix(in srgb, #041611 35%, transparent) inset,
      0 0 0 0 color-mix(in srgb, var(--am-tp-score-gold) 0%, transparent);
  }
  35% {
    box-shadow:
      0 1px 0 color-mix(in srgb, #fff 50%, transparent) inset,
      0 0 0 1px color-mix(in srgb, #041611 35%, transparent) inset,
      0 0 0 5px color-mix(in srgb, var(--am-tp-score-gold) 42%, transparent);
  }
  100% {
    box-shadow:
      0 1px 0 color-mix(in srgb, #fff 40%, transparent) inset,
      0 0 0 1px color-mix(in srgb, #041611 35%, transparent) inset,
      0 10px 22px color-mix(in srgb, var(--am-tp-score-field) 32%, transparent);
  }
}

.am-tp-score__bump {
  position: absolute;
  left: 50%;
  bottom: calc(100% - 2px);
  z-index: 2;
  margin: 0;
  font-family: var(--am-font-ui);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--am-tp-score-gold);
  text-shadow: 0 1px 0 color-mix(in srgb, #000 25%, transparent);
  pointer-events: none;
  opacity: 0;
  transform: translateX(-50%);
}

.am-tp-score__bump.is-on {
  animation: am-tp-score-bump 1.15s ease forwards;
}

@keyframes am-tp-score-bump {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(6px) scale(0.85);
  }
  18% {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1.08);
  }
  55% {
    opacity: 1;
    transform: translateX(-50%) translateY(-4px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(-14px) scale(0.95);
  }
}

@media (prefers-reduced-motion: reduce) {
  .am-tp-score.is-hit,
  .am-tp-score__total.is-pulse,
  .am-tp-score__bump.is-on,
  .am-tp-score__mark,
  .am-tp-score.is-grow .am-tp-score__sheen::before,
  .am-tp-score.is-grow .am-tp-score__mark,
  .am-tp-score.is-grow .am-tp-score__spark,
  .am-tp-score.is-grow::before,
  .am-tp-score.is-bench,
  .am-tp-score.is-bench-big {
    animation: none;
  }
  .am-tp-score,
  .am-tp-score.is-grow {
    transform: none;
    filter: none;
    transition: none;
  }
  .am-tp-score__bump.is-on {
    opacity: 1;
  }
}

.am-tp-purpose {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--am-primary);
  background: var(--am-soft-teal);
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 8px;
}

.am-tp-purpose-mc {
  margin-left: 0.4rem;
  vertical-align: middle;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-transform: none;
}

.am-tp-chip__code {
  margin-left: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.am-tp-warmup-skip {
  margin-bottom: 0.35rem;
}
.am-tp-warmup-skip .small {
  color: var(--am-admin-only);
}

/* Morph — idea pages (learning ladder; distinct from contest problem stage) */
body.am-tp-morph-bg {
  --am-morph-ink: #16324a;
  --am-morph-teal: #0d7a6a;
  --am-morph-glow: color-mix(in srgb, var(--am-soft-teal, #7dd3c0) 55%, #fff);
}

body.am-tp-morph-bg .am-main.am-problem-page {
  background:
    radial-gradient(120% 70% at 8% -10%, color-mix(in srgb, var(--am-soft-teal, #7dd3c0) 28%, transparent), transparent 55%),
    radial-gradient(90% 55% at 96% 8%, color-mix(in srgb, #f0c27a 22%, transparent), transparent 50%),
    linear-gradient(180deg, #f7fbfa 0%, #f3f6f8 42%, #eef2f5 100%);
}

.am-tp-morph {
  --am-morph-radius: 14px;
  position: relative;
  margin: 0 auto;
  width: min(70vw, 100%);
  max-width: min(70vw, 100%);
  padding: 0;
  border-radius: calc(var(--am-morph-radius) + 2px);
  border: 1px solid color-mix(in srgb, var(--am-morph-teal, #0d7a6a) 22%, var(--am-border, #d6d3cb));
  background: #fffef9;
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 70%, transparent) inset,
    0 14px 32px color-mix(in srgb, var(--am-navy, #1a2b3c) 10%, transparent);
  overflow: clip;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.am-tp-morph.is-in {
  opacity: 1;
  transform: none;
}

/* Dark header band — ApexCoach, foundation chip, steps */
.am-tp-morph__header {
  padding: 0.7rem 0.95rem 0.75rem;
  background:
    radial-gradient(90% 120% at 100% 0%, color-mix(in srgb, #f0c27a 22%, transparent), transparent 55%),
    linear-gradient(145deg, #142433 0%, #163a42 48%, #0f2f36 100%);
  color: #e8eef2;
  border-bottom: 1px solid color-mix(in srgb, #f0c27a 28%, transparent);
}
.am-tp-morph__header .am-tp-status-banner {
  --am-tp-banner: #7dd3c0;
  background: color-mix(in srgb, #0a1c22 45%, transparent);
  border-color: color-mix(in srgb, #7dd3c0 35%, transparent);
  border-left-color: #f0c27a;
  color: #e8f4f2;
  margin-bottom: 0.55rem;
  padding: 5px 10px 5px 34px;
}
.am-tp-morph__header .am-tp-status-banner::before {
  background: #f0c27a;
}

.am-tp-morph__foundation {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.65rem;
  margin: 0 0 0.7rem;
}
.am-tp-morph__foundation-lead {
  font: 600 0.88rem/1.35 var(--am-font-body, inherit);
  color: color-mix(in srgb, #e8eef2 90%, #94a3b8);
}
.am-tp-morph__foundation-chips {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.am-tp-morph__idea-chip.am-tp-chip {
  background: color-mix(in srgb, #fff 92%, #7dd3c0);
  border: 1px solid color-mix(in srgb, #7dd3c0 35%, transparent);
  color: #16324a;
  box-shadow: 0 4px 12px color-mix(in srgb, #000 18%, transparent);
}
.am-tp-morph__idea-chip .am-tp-chip__sub {
  color: color-mix(in srgb, #16324a 55%, #64748b);
}
.am-tp-morph__idea-chip .am-tp-chip__text {
  color: #0d7a6a;
  font-weight: 700;
}
.am-tp-morph__idea-chip .am-tp-chip__mark {
  background: #0d7a6a;
}

.am-tp-morph__intro {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem 1rem;
  margin: 0 0 0.75rem;
}
.am-tp-morph__intro-brand {
  flex: 0 0 auto;
  min-width: 0;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.8rem;
  min-height: 0;
  border-radius: 12px;
  cursor: default;
  pointer-events: none;
  border: 1px solid color-mix(in srgb, var(--am-mustard, #f0c27a) 45%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, #7dd3c0 18%, transparent);
}
.am-tp-morph__intro-brand.am-tp-fam-card--coach:hover {
  border-color: var(--am-mustard) !important;
  box-shadow: 0 6px 16px color-mix(in srgb, var(--am-primary, #104a65) 10%, transparent);
  transform: none;
}
.am-tp-morph__intro-brand .am-tp-fam-card__brand {
  margin: 0;
}
.am-tp-morph__coach-lead {
  flex: 1 1 10rem;
  min-width: 0;
  text-align: left;
}
.am-tp-morph__coach-title {
  margin: 0;
  font: 750 1.05rem/1.2 var(--am-font-ui, inherit);
  color: #fff;
  letter-spacing: 0.01em;
}
.am-tp-morph__coach-sub {
  margin: 0.15rem 0 0;
  font: 500 0.88rem/1.35 var(--am-font-ui, inherit);
  color: color-mix(in srgb, #e8eef2 82%, #94a3b8);
}

.am-tp-morph__progress {
  flex: 0 1 10rem;
  min-width: 6.5rem;
  text-align: right;
  align-self: center;
}
.am-tp-morph__progress-label {
  display: block;
  margin-bottom: 0.2rem;
  font: 650 0.75rem/1 var(--am-font-ui, inherit);
  color: color-mix(in srgb, #e8eef2 78%, #94a3b8);
  font-variant-numeric: tabular-nums;
}
@media (max-width: 640px) {
  .am-tp-morph__intro {
    flex-wrap: wrap;
  }
  .am-tp-morph__coach-lead {
    order: 3;
    flex: 1 1 100%;
  }
  .am-tp-morph__progress {
    text-align: left;
    min-width: 0;
    width: 100%;
  }
}
.am-tp-morph__progress-track {
  height: 0.28rem;
  border-radius: 999px;
  background: color-mix(in srgb, #fff 12%, transparent);
  overflow: hidden;
}
.am-tp-morph__progress-fill {
  height: 100%;
  width: var(--am-morph-pct, 0%);
  border-radius: inherit;
  background: linear-gradient(90deg, #2dd4bf, #f0c27a);
  box-shadow: 0 0 10px color-mix(in srgb, #2dd4bf 40%, transparent);
  transition: width 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.am-tp-morph__deck {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 0.1rem 0.15rem;
  width: 100%;
  margin: 0 0 0.55rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: color-mix(in srgb, #000 22%, transparent);
  border: 1px solid color-mix(in srgb, #7dd3c0 22%, transparent);
}
.am-tp-morph__leaf {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
}
.am-tp-morph__leaf-num {
  font: 750 0.78rem/1 var(--am-font-ui, inherit);
  color: color-mix(in srgb, #e8eef2 55%, #94a3b8);
  font-variant-numeric: tabular-nums;
  transition: color 0.25s ease;
}
.am-tp-morph__leaf-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: color-mix(in srgb, #fff 18%, transparent);
  border: 1.5px solid color-mix(in srgb, #7dd3c0 40%, transparent);
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.am-tp-morph__leaf.is-done .am-tp-morph__leaf-num {
  color: #7dd3c0;
}
.am-tp-morph__leaf.is-done .am-tp-morph__leaf-dot {
  background: #7dd3c0;
  border-color: transparent;
}
.am-tp-morph__leaf.is-current .am-tp-morph__leaf-num {
  color: #f0c27a;
}
.am-tp-morph__leaf.is-current .am-tp-morph__leaf-dot {
  background: #f0c27a;
  border-color: transparent;
  transform: scale(1.15);
  box-shadow: 0 0 0 3px color-mix(in srgb, #f0c27a 35%, transparent);
  animation: am-tp-morph-live-dot 1.1s ease-in-out infinite;
}
.am-tp-morph__leaf.is-ahead .am-tp-morph__leaf-num,
.am-tp-morph__leaf.is-ahead .am-tp-morph__leaf-dot {
  opacity: 0.45;
}
.am-tp-morph__leaf-bridge {
  width: 1.15rem;
  height: 2px;
  margin: 0 0.1rem 0 0.05rem;
  border-radius: 2px;
  background: color-mix(in srgb, #7dd3c0 28%, transparent);
}
.am-tp-morph__leaf.is-done .am-tp-morph__leaf-bridge,
.am-tp-morph__leaf.is-current .am-tp-morph__leaf-bridge {
  background: linear-gradient(90deg, #7dd3c0, #f0c27a);
}
@keyframes am-tp-morph-live-dot {
  0%,
  100% {
    transform: scale(1.1);
    opacity: 1;
  }
  50% {
    transform: scale(1.35);
    opacity: 0.75;
  }
}
@media (prefers-reduced-motion: reduce) {
  .am-tp-morph__leaf.is-current .am-tp-morph__leaf-dot {
    animation: none;
  }
}

.am-tp-morph__bridge {
  display: grid;
  place-items: center;
  min-height: 12rem;
  padding: 1.25rem 0.75rem 1.5rem;
}
.am-tp-morph__bridge-card {
  width: min(100%, 22rem);
  padding: 1.25rem 1.15rem 1.1rem;
  border-radius: 16px;
  text-align: center;
  background: color-mix(in srgb, #0f2f36 55%, #142433);
  border: 1px solid color-mix(in srgb, #7dd3c0 35%, transparent);
  box-shadow: 0 12px 28px color-mix(in srgb, #000 35%, transparent);
  animation: am-tp-morph-bridge-in 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.am-tp-morph__bridge-line {
  margin: 0;
  font: 700 1.05rem/1.35 var(--am-font-ui, inherit);
  color: #fff;
}
.am-tp-morph__bridge-cue {
  margin: 0.55rem 0 0;
  font: 600 0.82rem/1.3 var(--am-font-ui, inherit);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: color-mix(in srgb, #f0c27a 85%, #fff);
  opacity: 0.9;
}
.am-tp-morph__bridge-go {
  margin-top: 1rem;
}
@keyframes am-tp-morph-bridge-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .am-tp-morph__bridge-card {
    animation: none;
  }
}

.am-tp-morph__coach {
  display: block;
  margin: 0.7rem 0.95rem 0.65rem;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.5s ease 0.08s, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.08s;
}
.am-tp-morph__coach.is-in {
  opacity: 1;
  transform: none;
}
.am-tp-morph__coach-bubble {
  position: relative;
  min-width: 0;
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--am-morph-ink) 10%, #e5e9f0);
  border-left: 4px solid var(--am-morph-teal, #0d7a6a);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--am-navy, #1a2b3c) 6%, transparent);
}
.am-tp-morph__coach-bubble::before {
  display: none;
}
.am-tp-morph__coach-kicker {
  display: inline-block;
  margin: 0 0 0.4rem;
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  font: 750 0.68rem/1.2 var(--am-font-ui, inherit);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #fff;
  background: var(--am-morph-teal, #0d7a6a);
}
.am-tp-morph__coach-line {
  margin: 0;
  font: 600 0.95rem/1.4 var(--am-font-body, inherit);
  color: var(--am-morph-ink, #16324a);
}
.am-tp-morph--ok .am-tp-morph__coach-kicker {
  background: #16a34a;
}
.am-tp-morph--ok .am-tp-morph__coach-bubble {
  border-color: color-mix(in srgb, #16a34a 22%, #e5e9f0);
  border-left-color: #16a34a;
  background: color-mix(in srgb, #16a34a 6%, #fff);
}
.am-tp-morph--miss .am-tp-morph__coach-kicker {
  background: #c2410c;
}
.am-tp-morph--miss .am-tp-morph__coach-bubble {
  border-color: color-mix(in srgb, #ea580c 22%, #e5e9f0);
  border-left-color: #ea580c;
  background: color-mix(in srgb, #ea580c 6%, #fff);
}

.am-tp-morph__stage {
  position: relative;
  perspective: 900px;
  padding: 0 0.95rem 0.85rem;
}
.am-tp-morph__page {
  position: relative;
  padding: 0.9rem 0.9rem 0.9rem;
  border-radius: var(--am-morph-radius);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--am-morph-teal) 4%, #fff) 0%, #fff 2.5rem),
    #fff;
  border: 1px solid color-mix(in srgb, var(--am-morph-teal) 18%, #e5e9f0);
  border-left: 4px solid color-mix(in srgb, var(--am-morph-teal) 70%, #f0c27a);
  box-shadow:
    0 1px 0 #fff inset,
    0 8px 18px color-mix(in srgb, var(--am-navy, #1a2b3c) 6%, transparent);
}
.am-tp-morph__page-ribbon {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0 0 0.55rem;
  padding: 0.22rem 0.55rem 0.22rem 0.4rem;
  border-radius: 999px;
  font: 750 0.68rem/1.2 var(--am-font-ui, inherit);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--am-morph-teal, #0d7a6a);
  background: color-mix(in srgb, var(--am-morph-teal) 10%, #fff);
  border: 1px solid color-mix(in srgb, var(--am-morph-teal) 22%, transparent);
}
.am-tp-morph__page-ribbon-ico {
  display: grid;
  place-items: center;
  color: var(--am-morph-teal, #0d7a6a);
}
.am-tp-morph__pick-lead {
  margin: 0 0 0.45rem;
  font: 650 0.82rem/1.3 var(--am-font-ui, inherit);
  color: color-mix(in srgb, var(--am-morph-ink) 70%, #64748b);
}
.am-tp-morph__page--enter {
  opacity: 0;
  transform: translateX(12px);
  transition: opacity 0.4s ease 0.08s, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1) 0.08s;
}
.am-tp-morph__page--enter.is-in {
  opacity: 1;
  transform: none;
}
/* In-place morph swaps — light stage motion only (header stays mounted). */
.am-tp-morph__page--swap {
  animation: am-morph-stage-swap 0.22s ease;
}
@keyframes am-morph-stage-swap {
  from { opacity: 0.35; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}
.am-tp-morph.is-busy {
  pointer-events: none;
}
.am-tp-morph.is-busy .am-tp-morph__stage {
  opacity: 0.72;
}

.am-tp-morph__twist {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  margin: 0 0 0.55rem;
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  background: color-mix(in srgb, #f0c27a 16%, #fff);
  border: 1px solid color-mix(in srgb, #f0c27a 35%, transparent);
  animation: am-morph-twist-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}
.am-tp-morph__twist-label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font: 750 0.65rem/1.2 var(--am-font-ui, inherit);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, #9a6700 70%, var(--am-morph-ink));
}
.am-tp-morph__twist-text {
  font: 600 0.9rem/1.35 var(--am-font-body, inherit);
  color: var(--am-morph-ink, #16324a);
}

.am-tp-morph__stem {
  margin: 0 0 0.3rem;
  color: color-mix(in srgb, var(--am-morph-ink) 62%, #64748b);
  font-size: 0.9rem;
  line-height: 1.35;
}
.am-tp-morph__expr {
  margin: 0 0 0.45rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  text-align: left;
  min-height: 0;
  font-size: 1.1rem;
  line-height: 1.35;
  box-shadow: none;
}
.am-tp-morph__expr .katex {
  font-size: 1.08em;
}
.am-tp-morph__q {
  margin: 0 0 1.1rem;
  padding-bottom: 0.35rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--am-morph-ink, #16324a);
  line-height: 1.35;
}
.am-tp-morph__q-num {
  font-weight: 750;
  letter-spacing: 0.02em;
  color: var(--am-morph-teal, #0d7a6a);
  margin-right: 0.2em;
}

.am-tp-morph__picks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.am-tp-morph__pick-row form {
  margin: 0;
  width: 100%;
}
.am-tp-morph__pick {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin: 0;
  padding: 7px 10px;
  text-align: left;
  border-radius: 999px;
  border: 1.5px solid color-mix(in srgb, var(--am-morph-teal) 22%, var(--am-border, #e5e9f0));
  background: color-mix(in srgb, var(--am-morph-teal) 4%, #fff);
  color: inherit;
  cursor: pointer;
  font: inherit;
  transition: border-color 0.12s ease, background 0.12s ease, box-shadow 0.12s ease;
  flex: 0 0 auto;
  height: auto;
  min-height: 0;
}
button.am-tp-morph__pick:hover {
  background: color-mix(in srgb, var(--am-morph-teal) 10%, #fff);
  border-color: color-mix(in srgb, var(--am-morph-teal) 45%, var(--am-border, #e5e9f0));
  box-shadow: 0 4px 12px color-mix(in srgb, var(--am-morph-teal) 12%, transparent);
  transform: none;
}
button.am-tp-morph__pick:active {
  transform: none;
}
.am-tp-morph__pick-letter {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-family: var(--am-font-mono, inherit);
  font-weight: 700;
  font-size: 0.6875rem;
  color: var(--am-ink, #1a2b3c);
  background: var(--am-white, #fff);
  border: 1.5px solid var(--am-border, #e5e9f0);
}
.am-tp-morph__pick-body {
  flex: 1 1 auto;
  min-width: 0;
  font: inherit;
  line-height: 1.3;
  color: var(--am-morph-ink, #16324a);
  /* .solution-text sets pre-wrap — Jinja indent would become blank lines in the row */
  white-space: normal;
}
.am-tp-morph__pick-body .katex,
.am-tp-morph__pick-body .katex-html {
  font-size: 1em;
  line-height: 1.2;
}
.am-tp-morph__pick-body .katex-display {
  display: inline !important;
  margin: 0 !important;
  padding: 0 !important;
}
.am-tp-morph__pick-row,
.am-tp-morph__pick-row form {
  flex: 0 0 auto;
  height: auto;
  min-height: 0;
}
/* Admin reveal on answer phase — show key; click still required to advance. */
.am-tp-morph__pick.is-admin-key:not([aria-disabled="true"]) {
  outline: 2px solid #166534;
  outline-offset: 2px;
}
.am-tp-morph__pick.is-correct {
  border-color: #166534;
  outline: 2px solid #166534;
  background: #ecfdf5;
  border-radius: 999px;
}
.am-tp-morph__pick.is-correct .am-tp-morph__pick-letter {
  color: #fff;
  background: #166534;
  border-color: #166534;
  font-size: 0.85rem;
  font-weight: 800;
}
.am-tp-morph__pick.is-wrong {
  border-color: #b45309;
  outline: 2px solid #b45309;
  background: #fff7ed;
  border-radius: 999px;
}
.am-tp-morph__pick.is-wrong .am-tp-morph__pick-letter {
  color: #fff;
  background: #b45309;
  border-color: #b45309;
  font-size: 0.85rem;
  font-weight: 800;
}

.am-tp-morph__fb-stack {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin: 0.85rem 0 0;
}
.am-tp-morph__fb {
  margin: 0;
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  font: 600 0.92rem/1.4 var(--am-font-body, inherit);
}
.am-tp-morph__fb-h {
  margin: 0 0 0.28rem;
  font: 750 0.72rem/1.2 var(--am-font-body, inherit);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.88;
}
.am-tp-morph__fb-body {
  margin: 0;
  font: 600 0.92rem/1.45 var(--am-font-body, inherit);
}
.am-tp-morph__fb--ok {
  background: #ecfdf5;
  color: #166534;
  border: 1px solid #bbf7d0;
}
.am-tp-morph__fb--nudge,
.am-tp-morph__fb--bad {
  background: #fff7ed;
  color: #9a3412;
  border: 1px solid #fed7aa;
}
.am-tp-morph__fb--solution {
  background: #f4f7fb;
  color: #1a1f2e;
  border: 1px solid #d8dde8;
}
.am-tp-morph__fb--solution .am-tp-morph__fb-h {
  color: #0f6b5c;
  opacity: 1;
}

.am-tp-morph__cta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px solid color-mix(in srgb, var(--am-morph-teal) 12%, transparent);
}
.am-tp-morph__cta--split {
  justify-content: space-between;
}
.am-tp-morph__cta--back-only {
  justify-content: flex-start;
}
.am-tp-morph__back {
  min-width: 6.5rem;
  background: #fff;
  color: #1a1f2e;
  border: 1px solid #d8dde8;
}
.am-tp-morph__back:hover {
  background: #f7f8fb;
}
.am-tp-morph__next {
  min-width: 10.5rem;
  animation: am-morph-cta-in 0.45s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both;
}

@keyframes am-morph-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.12); opacity: 0.85; }
}
@keyframes am-morph-twist-in {
  from { opacity: 0; transform: translateY(6px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
@keyframes am-morph-cta-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 720px) {
  .am-tp-morph {
    width: 100%;
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .am-tp-morph,
  .am-tp-morph__coach,
  .am-tp-morph__page--enter,
  .am-tp-morph__progress-fill,
  .am-tp-morph__leaf-num,
  .am-tp-morph__pick,
  .am-tp-morph__next,
  .am-tp-morph__twist,
  .am-tp-morph__eyebrow-mark {
    animation: none !important;
    transition: none !important;
  }
  .am-tp-morph,
  .am-tp-morph__coach,
  .am-tp-morph__page--enter {
    opacity: 1;
    transform: none;
  }
}

a.am-admin-mc-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.12em;
  cursor: pointer;
}
a.am-admin-mc-link:hover {
  color: var(--am-admin-only);
  text-decoration-thickness: 2px;
}
a.am-tp-pill.am-admin-mc-link {
  text-decoration: none;
}
a.am-tp-pill.am-admin-mc-link:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.am-tp-idea-check__ask {
  margin: 1.1rem 0 0.75rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--am-ink, #1a2b3c);
}

.am-tp-teach-opening {
  margin: 0 0 0.85rem;
  max-width: 42rem;
}
.am-tp-teach-opening__idea {
  margin: 0;
  font: 400 0.98rem/1.55 var(--am-font-body);
  color: color-mix(in srgb, var(--am-ink) 78%, #64748b);
}

.am-tp-teach-example-lead {
  margin: 0 0 0.4rem;
  font: 700 1.05rem/1.2 var(--am-font-ui);
  letter-spacing: 0.01em;
  color: color-mix(in srgb, #4a3a12 45%, var(--am-ink));
}

.am-tp-idea-check__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.85rem;
  align-items: center;
}

.am-tp-idea-check__actions--continue {
  justify-content: center;
  margin-top: 1.15rem;
  padding-top: 0.9rem;
  border-top: 1px solid color-mix(in srgb, var(--am-primary) 14%, transparent);
}

.am-tp-idea-check__actions .am-prob__btn {
  margin: 0;
}

/* Warm-up chain: floor → try-it → idea on one progressive page */
.am-tp-warmup-chain .am-tp-warmup-step {
  scroll-margin-top: 1.25rem;
}

.am-tp-warmup-chain .solution-text,
.am-tp-warmup-chain .am-lc__body,
.am-tp-warmup-chain .am-lc__try-prompt,
.am-tp-warmup-chain .am-lc__try-explanation {
  white-space: pre-wrap;
  line-height: 1.62;
}

/* Live floor: light wash + left rule (not a framed card). */
.am-tp-warmup-chain .am-lc__beat--floor:not(.is-settled) {
  background: color-mix(in srgb, var(--am-soft-teal) 18%, transparent);
  border: 0;
  border-left: 4px solid var(--am-primary);
  border-radius: 0;
  box-shadow: none;
  padding: 0.35rem 0.25rem 0.55rem 0.95rem;
}

/* Foundation cue sits inside the floor beat (warm-up + idea-check stack). */
.am-tp-warmup-chain .am-tp-floor-cue {
  margin: 0 0 0.55rem;
  padding: 0;
  font: 600 0.95rem/1.4 var(--am-font-ui, inherit);
  color: color-mix(in srgb, var(--am-navy) 88%, var(--am-primary));
  max-width: 36rem;
}

.am-tp-warmup-chain .am-tp-floor-cue + .am-lc__beat-kicker {
  margin-top: 0.15rem;
}

/* Idea-check stack: prior floor keeps warm-up-screen look (not faded residue). */
.am-tp-warmup-chain--stacked .am-lc__beat--floor {
  opacity: 1;
  margin-bottom: 0;
  padding-bottom: 0.55rem;
  border-bottom: 0;
  background: color-mix(in srgb, var(--am-soft-teal) 18%, transparent);
  border-left: 4px solid var(--am-primary);
  border-radius: 0;
  box-shadow: none;
  padding: 0.35rem 0.25rem 0.55rem 0.95rem;
}

/* Settled steps: ink + rule, not nested boxes. */
.am-tp-warmup-chain .am-tp-warmup-step.is-settled {
  opacity: 0.62;
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px dashed color-mix(in srgb, var(--am-ink, #1a2b3c) 14%, transparent);
  filter: none;
}

.am-tp-warmup-chain .am-lc__beat--floor.is-settled {
  background: transparent;
  border: 0;
  border-left: 3px solid color-mix(in srgb, var(--am-primary) 45%, transparent);
  border-radius: 0;
  padding: 0 0 0.85rem 0.85rem;
  box-shadow: none;
}

.am-tp-warmup-chain .am-lc__try.is-settled {
  background-color: transparent;
  background-image: none;
  color: var(--am-ink-soft, #374151);
  border-radius: 0;
  border-left: 3px solid color-mix(in srgb, var(--am-navy) 35%, transparent);
  padding: 0.15rem 0 0.85rem 0.85rem;
  gap: 0.35rem;
}

.am-tp-warmup-chain .am-lc__try.is-settled .am-section-heading,
.am-tp-warmup-chain .am-lc__try.is-settled .am-panel-navy__label {
  color: var(--am-muted, #6b7280);
}

.am-tp-warmup-chain .am-lc__try.is-settled .am-panel-navy__label {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.am-tp-warmup-chain .am-lc__try.is-settled .am-lc__try-prompt {
  color: var(--am-ink-soft, #374151);
  font-size: 0.95rem;
}

.am-tp-warmup-chain .am-tp-warmup-step.is-settled .am-lc__try-form,
.am-tp-warmup-chain .am-tp-warmup-step.is-settled .am-lc__reveal {
  display: none;
}

/* Live Try-it: one strong opaque panel — light text on navy. */
.am-tp-warmup-chain .am-lc__try:not(.is-settled) {
  background-color: var(--am-navy);
  background-image: radial-gradient(
    circle at 92% 30%,
    rgba(248, 79, 26, 0.34),
    transparent 65%
  );
  color: var(--am-canvas);
  opacity: 1;
}

.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-lc__try-prompt,
.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-lc__neq-note,
.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-lc__try-prompt .katex {
  color: var(--am-canvas);
}

.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-lc__try-explanation {
  color: color-mix(in srgb, var(--am-soft-teal) 82%, #fff);
}

.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-panel-navy__label,
.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-lc__try-input-label,
.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-lc__try-answer-title,
.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-section-heading {
  color: var(--am-soft-teal);
}

/* Light surfaces inside Try-it (chip / hints / ok+soft feedback / input): keep dark ink. */
.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-chip,
.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-chip .katex,
.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-lc__try-hints,
.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-lc__try-input,
.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-lc__try-feedback.is-ok,
.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-lc__try-feedback.is-soft {
  color: var(--am-navy);
}

.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-lc__try-feedback.is-ok {
  color: color-mix(in srgb, var(--am-navy) 70%, #0d5c3a);
}

.am-tp-warmup-chain .am-lc__try:not(.is-settled) .am-lc__try-feedback.is-soft {
  color: color-mix(in srgb, var(--am-navy) 65%, #4a5560);
}

.am-tp-warmup-chain .am-tp-warmup-step--enter.is-in {
  animation: am-tp-warmup-in 0.42s cubic-bezier(0.2, 0.85, 0.3, 1) both;
}

@keyframes am-tp-warmup-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.am-tp-warmup-focus-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.85rem;
  padding: 0.28rem 0.65rem 0.28rem 0.4rem;
  border-radius: 999px;
  font: 700 0.68rem/1 var(--am-font-ui);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--am-navy, #1a2b3c);
  background: color-mix(in srgb, var(--am-soft-teal) 55%, white);
  border: 1px solid color-mix(in srgb, var(--am-primary) 22%, transparent);
}

.am-tp-warmup-focus-label__mark {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--am-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--am-primary) 18%, transparent);
}

/* Idea: lighter panel — still the “new” object, not a heavy card stack. */
.am-tp-warmup-chain .am-tp-warmup-idea {
  margin-top: 0.35rem;
  padding: 1.05rem 1.15rem 1.2rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--am-primary) 26%, var(--am-border, #d6d3cb));
  background: color-mix(in srgb, var(--am-soft-teal) 16%, #fffef9);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--am-navy) 6%, transparent);
}

/* Core idea = hero on this screen: centered kicker + popping body. */
.am-tp-warmup-chain .am-tp-warmup-idea .am-tp-idea-check__idea {
  text-align: center;
  max-width: 38rem;
  margin-left: auto;
  margin-right: auto;
}

.am-tp-warmup-chain .am-tp-warmup-idea .am-tp-idea-check__idea .am-lc__idea-kicker {
  display: block;
  font-size: calc(1.55rem * 1.2);
  line-height: 1.05;
  margin: 0 0 0.85rem;
}

.am-tp-warmup-chain .am-tp-warmup-idea .am-tp-idea-check__idea .am-lc__body {
  display: block;
  text-align: center;
  margin: 0 auto;
  padding: 1rem 1.15rem 1.1rem;
  border-radius: 14px;
  font-size: 1.12rem;
  line-height: 1.55;
  font-weight: 600;
  color: var(--am-navy, #1a2b3c);
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, #fff8e8 92%, white),
      color-mix(in srgb, var(--am-soft-teal) 28%, #fffef6)
    );
  border: 1px solid color-mix(in srgb, var(--am-primary) 34%, transparent);
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--am-primary) 10%, transparent),
    0 12px 28px color-mix(in srgb, var(--am-navy) 10%, transparent);
}

.am-tp-warmup-chain .am-tp-warmup-idea .am-tp-idea-check__actions--continue {
  margin-top: 1.15rem;
  padding-top: 0.9rem;
  border-top: 1px solid color-mix(in srgb, var(--am-primary) 14%, transparent);
}

.am-tp-warmup-chain .am-tp-warmup-step__residue {
  margin-top: 0.55rem;
}

@media (prefers-reduced-motion: reduce) {
  .am-tp-warmup-chain .am-tp-warmup-step--enter.is-in {
    animation: none;
  }
}

/* First-open topic intro (before warm-up) — full bleed, LC paper fill (no grid). */
.am-tp-topic-intro {
  --am-lc-paper: #fffef9;
  width: 100%;
  max-width: none;
  min-height: calc(100dvh - 11.5rem);
  margin: 0;
  padding: 2rem 1.5rem 2.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  box-sizing: border-box;
  background-color: var(--am-lc-paper);
  background-image: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.am-tp-topic-intro__panel {
  width: 100%;
  max-width: 34rem;
  margin: 0 auto;
  text-align: center;
}

.am-tp-topic-intro__eyebrow {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  color: var(--am-muted, #6b7280);
}

.am-tp-topic-intro__title {
  margin: 0 0 1rem;
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-align: center;
  color: var(--am-ink, #111827);
}

.am-tp-topic-intro__body {
  margin: 0;
}

.am-tp-topic-intro__body p {
  margin: 0 0 0.75rem;
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--am-ink-soft, #374151);
}

.am-tp-topic-intro__body p:last-child,
.am-tp-topic-intro__promise {
  margin-bottom: 0;
}

.am-tp-topic-intro__promise {
  margin-top: 0.35rem;
  font-weight: 650;
  color: var(--am-navy, #1a2b3c);
}

.am-tp-topic-intro__cta {
  margin-top: 1.75rem;
  padding-top: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.am-tp-topic-intro .am-prob__btn--next {
  min-width: 10rem;
}

/* Once-per-user TP intro — full bleed paper + vertical SVG flow. */
.am-tp-intro {
  --am-lc-paper: #fffef9;
  width: 100%;
  max-width: none;
  min-height: calc(100dvh - 11.5rem);
  margin: 0;
  padding: 1.5rem 1.25rem 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  box-sizing: border-box;
  background-color: var(--am-lc-paper);
  background-image: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.am-tp-intro__eyebrow {
  margin: 0 0 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  color: var(--am-muted, #6b7280);
}

.am-tp-intro__title {
  margin: 0 0 0.55rem;
  font-family: var(--am-font-page-title);
  font-size: clamp(1.55rem, 2.4vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-align: center;
  color: var(--am-navy);
}

.am-tp-intro__lead {
  margin: 0 auto 1.25rem;
  max-width: 38rem;
  font-size: 1.02rem;
  line-height: 1.45;
  text-align: center;
  color: var(--am-ink-soft, #374151);
}

.am-tp-flow {
  width: 100%;
  margin: 0;
  padding: 0.15rem 0 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  background: transparent;
}

.am-tp-flow__svg {
  display: block;
  width: min(100%, 42rem);
  max-width: 720px;
  height: auto;
  margin: 0 auto;
  overflow: visible;
}

.am-tp-flow__step {
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: am-tp-step-in 0.5s cubic-bezier(0.22, 0.9, 0.3, 1) both;
}

.am-tp-flow__edge {
  opacity: 0;
  animation: am-tp-edge-in 0.35s ease both;
}

.am-tp-flow__step--1 { animation-delay: 0.12s; }
.am-tp-flow__edge--1 { animation-delay: 0.52s; }
.am-tp-flow__step--2 { animation-delay: 0.62s; }
.am-tp-flow__edge--2 { animation-delay: 1.02s; }
.am-tp-flow__step--3 { animation-delay: 1.12s; }
.am-tp-flow__edge--3,
.am-tp-flow__edge--3b { animation-delay: 1.55s; }
.am-tp-flow__step--4,
.am-tp-flow__step--5 { animation-delay: 1.7s; }
.am-tp-flow__edge--4 { animation-delay: 2.1s; }
.am-tp-flow__edge--5 { animation-delay: 2.15s; }
.am-tp-flow__step--6 { animation-delay: 2.25s; }
.am-tp-flow__edge--6,
.am-tp-flow__edge--7 { animation-delay: 2.65s; }
.am-tp-flow__step--7 { animation-delay: 2.8s; }
.am-tp-flow__edge--8 { animation-delay: 3.2s; }
.am-tp-flow__step--8 { animation-delay: 3.35s; }

@keyframes am-tp-step-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes am-tp-edge-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.am-tp-flow__aside--in {
  opacity: 0;
  animation: am-tp-step-in 0.45s ease 3.7s both;
}

.am-tp-intro__cta--in {
  opacity: 0;
  animation: am-tp-step-in 0.45s ease 3.95s both;
}

@media (prefers-reduced-motion: reduce) {
  .am-tp-flow__step,
  .am-tp-flow__edge,
  .am-tp-flow__aside--in,
  .am-tp-intro__cta--in {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

.am-tp-card {
  height: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  font-family: var(--am-font-ui), system-ui, sans-serif;
  line-height: 1.3;
}

.am-tp-card__head {
  flex: 0 0 40px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 0.4rem;
  padding: 0 0.35rem;
  box-sizing: border-box;
}

.am-tp-card__head--tall {
  flex-basis: 52px;
  align-items: center;
}

.am-tp-card__head--tall .am-tp-card__title {
  font-size: 0.82rem;
  line-height: 1.2;
}

.am-tp-card__head--on-dark {
  color: #fffef9;
}

.am-tp-card__emoji {
  flex: 0 0 auto;
  font-size: 1.05rem;
  line-height: 1;
}

.am-tp-card__title {
  flex: 1 1 auto;
  font-size: 0.92rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: inherit;
  text-align: left;
}

.am-tp-card__body {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  padding: 0.45rem 0.45rem 0.5rem;
  box-sizing: border-box;
}

.am-tp-card__hint {
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.35;
  color: #3d4654;
  text-align: left;
}

.am-tp-flow__aside {
  margin: 0.85rem auto 0;
  font-size: 0.95rem;
  line-height: 1.45;
  text-align: center;
  color: var(--am-ink-soft, #374151);
  max-width: 32rem;
}

.am-tp-intro__cta {
  margin-top: auto;
  padding-top: 1.35rem;
  display: flex;
  justify-content: center;
  width: 100%;
}

.am-tp-intro .am-prob__btn--next {
  min-width: 10rem;
}

@media (max-width: 640px) {
  .am-tp-intro {
    padding: 1.25rem 0.85rem 2rem;
  }

  .am-tp-flow__svg {
    width: 100%;
  }
}

/* Celebrate card — animated check lives inside the box (not a fullscreen flash). */
.am-tp-celebrate-wrap {
  position: relative;
  margin: 0 auto 24px;
  max-width: 32rem;
}

.am-tp-celebrate-wrap--peak {
  max-width: 34rem;
}

.am-tp-celebrate-wrap--subtopic {
  max-width: min(38rem, 100%);
  margin-bottom: 28px;
}

.am-tp-celebrate-wrap--topic {
  max-width: min(56rem, 100%);
  margin: 8px auto 36px;
  padding: 8px 0 20px;
}

.am-tp-celebrate-wrap .am-tp-celebrate {
  max-width: 100%;
  margin-bottom: 0;
  position: relative;
  z-index: 1;
}

.am-tp-celebrate__fx {
  position: absolute;
  left: 50%;
  top: -8%;
  width: min(100vw, 64rem);
  height: 118%;
  transform: translateX(-50%);
  pointer-events: none;
  overflow: visible;
  z-index: 3;
}

.am-tp-celebrate-wrap--topic .am-tp-celebrate__fx {
  top: -18%;
  width: min(100vw, 72rem);
  height: 140%;
}

.am-tp-celebrate {
  background: var(--am-canvas);
  border: 1px solid var(--am-border);
  border-radius: 16px;
  padding: 28px 24px;
  max-width: 32rem;
  margin: 0 auto 20px;
  text-align: center;
}

.am-tp-celebrate.is-waiting {
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
}

.am-tp-celebrate.is-in {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}

.am-tp-celebrate__check {
  --am-tp-win: #1f6f78;
  --am-tp-win-tick: #dcefe2;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin: 0 auto 14px;
}

.am-tp-celebrate__check-glow {
  position: absolute;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    color-mix(in srgb, var(--am-tp-win) 40%, transparent) 0%,
    color-mix(in srgb, var(--am-tp-win) 22%, transparent) 48%,
    transparent 72%
  );
  opacity: 0;
}

.am-tp-celebrate.is-in .am-tp-celebrate__check-glow {
  animation: am-tp-win-glow 0.95s ease-out forwards;
}

.am-tp-celebrate__check-mark {
  position: relative;
  filter: drop-shadow(0 0 10px color-mix(in srgb, var(--am-tp-win) 36%, transparent));
  transform: scale(0.72);
  opacity: 0;
}

.am-tp-celebrate.is-in .am-tp-celebrate__check-mark {
  animation: am-tp-win-mark 0.55s cubic-bezier(0.2, 0.9, 0.3, 1.15) 0.06s forwards;
}

.am-tp-celebrate__disc {
  fill: var(--am-tp-win);
}

.am-tp-celebrate__tick {
  stroke: var(--am-tp-win-tick);
  stroke-dasharray: 64;
  stroke-dashoffset: 64;
}

.am-tp-celebrate.is-in .am-tp-celebrate__tick {
  animation: am-tp-win-stroke 0.45s ease forwards 0.18s;
}

@keyframes am-tp-win-glow {
  0% {
    transform: scale(0.55);
    opacity: 0.3;
  }
  55% {
    transform: scale(1.08);
    opacity: 0.85;
  }
  100% {
    transform: scale(1.2);
    opacity: 0.35;
  }
}

@keyframes am-tp-win-mark {
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes am-tp-win-stroke {
  to {
    stroke-dashoffset: 0;
  }
}

.am-tp-celebrate--peak {
  border-color: var(--am-primary);
  box-shadow: 0 0 0 3px var(--am-soft-teal);
  padding: 32px 28px;
}

.am-tp-celebrate--peak .am-tp-celebrate__eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--am-primary);
  margin: 0 0 8px;
}

.am-tp-celebrate--peak .am-tp-celebrate__body,
.am-tp-celebrate--peak p:not(.am-tp-celebrate__sub):not(.am-tp-celebrate__eyebrow) {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 10px;
}

.am-tp-celebrate__ideas {
  list-style: disc;
  text-align: left;
  margin: 0 auto 14px;
  padding: 0 0 0 1.25rem;
  max-width: 28rem;
  color: var(--am-ink, #1a1a1a);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.45;
}

.am-tp-celebrate__ideas li + li {
  margin-top: 0.4rem;
}

/* Subtopic milestone — bigger than challenge unlock. */
.am-tp-celebrate--subtopic {
  position: relative;
  overflow: visible;
  max-width: 100%;
  padding: 44px 36px 40px;
  border-radius: 20px;
  border-color: color-mix(in srgb, #1f6f78 55%, var(--am-primary));
  box-shadow:
    0 0 0 4px color-mix(in srgb, #1f6f78 18%, transparent),
    0 18px 40px color-mix(in srgb, #1a6b5c 14%, transparent);
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, color-mix(in srgb, #dcefe2 70%, transparent), transparent 70%),
    var(--am-canvas);
}

.am-tp-celebrate--subtopic.is-in {
  animation: am-tp-sub-pop 0.5s cubic-bezier(0.2, 0.9, 0.3, 1.1) both;
}

.am-tp-celebrate--subtopic .am-tp-celebrate__check {
  width: 96px;
  height: 96px;
  margin-bottom: 18px;
}

.am-tp-celebrate--subtopic .am-tp-celebrate__check svg {
  width: 78px;
  height: 78px;
}

.am-tp-celebrate--subtopic .am-tp-celebrate__eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: #1f6f78;
  margin: 0 0 10px;
  text-align: center;
  width: 100%;
}

.am-tp-celebrate--subtopic .am-tp-celebrate__body {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 12px;
  text-align: center;
  width: 100%;
}

.am-tp-celebrate--subtopic .am-tp-celebrate__sub {
  font-size: 0.98rem;
  color: #3d4a54;
  max-width: 28rem;
  width: 100%;
  margin: 0 auto 18px !important;
  text-align: center;
}

/* Topic finish — biggest beat (near full content width). */
.am-tp-celebrate--topic {
  position: relative;
  overflow: visible;
  max-width: 100%;
  min-height: min(58vh, 28rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 72px 48px 56px;
  border-radius: 24px;
  border-width: 2px;
  border-color: color-mix(in srgb, #c9a227 55%, var(--am-primary));
  box-shadow:
    0 0 0 6px color-mix(in srgb, #c9a227 24%, transparent),
    0 28px 64px color-mix(in srgb, #1a6b5c 20%, transparent),
    inset 0 1px 0 color-mix(in srgb, #fff 55%, transparent);
  background:
    radial-gradient(ellipse 95% 75% at 50% -8%, color-mix(in srgb, #e8d48b 65%, transparent), transparent 62%),
    radial-gradient(ellipse 80% 55% at 50% 108%, color-mix(in srgb, #dcefe2 55%, transparent), transparent 58%),
    linear-gradient(180deg, color-mix(in srgb, #faf6ea 40%, var(--am-canvas)), var(--am-canvas));
}

.am-tp-celebrate--topic.is-in {
  animation: am-tp-topic-pop 0.7s cubic-bezier(0.2, 0.9, 0.3, 1.12) both;
}

.am-tp-celebrate--topic .am-tp-celebrate__check {
  width: 132px;
  height: 132px;
  margin-bottom: 26px;
  --am-tp-win: #1a6b5c;
}

.am-tp-celebrate--topic .am-tp-celebrate__check svg {
  width: 110px;
  height: 110px;
}

.am-tp-celebrate--topic .am-tp-celebrate__check-glow {
  width: 160px;
  height: 160px;
}

.am-tp-celebrate--topic.is-in .am-tp-celebrate__check-glow {
  animation: am-tp-win-glow 1.25s ease-out forwards;
}

.am-tp-celebrate--topic .am-tp-celebrate__eyebrow {
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 800;
  color: #8a6a12;
  margin: 0 0 14px;
  text-align: center;
  width: 100%;
  align-self: stretch;
}

.am-tp-celebrate--topic .am-tp-celebrate__body {
  font-size: clamp(2rem, 4.2vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 16px;
  max-width: none;
  width: 100%;
  text-align: center;
  align-self: stretch;
}

.am-tp-celebrate--topic .am-tp-celebrate__sub {
  font-size: 1.12rem;
  line-height: 1.45;
  color: #3d4a54;
  max-width: 36rem;
  width: 100%;
  margin: 0 auto 22px !important;
  text-align: center;
  align-self: center;
}

.am-tp-celebrate--topic .am-prob__btn--next {
  min-width: 13rem;
  font-size: 1.12rem;
  padding: 0.85rem 1.65rem;
  margin-top: 6px;
}

.am-tp-celebrate__burst {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: visible;
  z-index: 2;
}

.am-tp-celebrate__spark {
  position: absolute;
  left: 50%;
  top: 38%;
  width: 8px;
  height: 8px;
  margin: -4px;
  border-radius: 2px;
  opacity: 0;
  transform: translate(0, 0) rotate(0deg) scale(0.4);
  animation: am-tp-spark 1.65s cubic-bezier(0.15, 0.75, 0.25, 1) forwards;
}

.am-tp-celebrate__spark--rect {
  width: 10px;
  height: 6px;
  border-radius: 1px;
}

.am-tp-celebrate__spark--ribbon {
  width: 4px;
  height: 14px;
  border-radius: 1px;
}

.am-tp-celebrate__spark--dot {
  border-radius: 50%;
}

.am-tp-celebrate--topic .am-tp-celebrate__spark {
  width: 11px;
  height: 11px;
  animation-duration: 2.1s;
}

.am-tp-celebrate__flake {
  position: absolute;
  top: -4%;
  width: 8px;
  height: 8px;
  border-radius: 1px;
  opacity: 0;
  animation-name: am-tp-flake-fall;
  animation-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1);
  animation-fill-mode: forwards;
}

.am-tp-celebrate__flake--rect {
  width: 11px;
  height: 6px;
}

.am-tp-celebrate__flake--ribbon {
  width: 3px;
  height: 16px;
  border-radius: 1px;
}

.am-tp-celebrate__flake--square {
  border-radius: 2px;
}

.am-tp-celebrate__ring {
  position: absolute;
  left: 50%;
  top: 42%;
  width: 48px;
  height: 48px;
  margin: -24px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, #1f6f78 55%, transparent);
  opacity: 0;
  animation: am-tp-ring 1.7s ease-out forwards;
}

.am-tp-celebrate__ring--gold {
  border-color: color-mix(in srgb, #c9a227 65%, transparent);
}

.am-tp-celebrate-wrap--topic .am-tp-celebrate__ring {
  width: 64px;
  height: 64px;
  margin: -32px;
  animation-duration: 2.1s;
}

@keyframes am-tp-spark {
  0% {
    opacity: 0;
    transform: translate(0, 0) rotate(0deg) scale(0.25);
  }
  10% {
    opacity: 1;
  }
  55% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(var(--dx), var(--dy)) rotate(var(--rot)) scale(1);
  }
}

@keyframes am-tp-flake-fall {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  6% {
    opacity: 1;
  }
  78% {
    opacity: 0.9;
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--drift), 110vh, 0) rotate(var(--spin));
  }
}

@keyframes am-tp-ring {
  0% {
    opacity: 0.7;
    transform: scale(0.4);
  }
  100% {
    opacity: 0;
    transform: scale(6.5);
  }
}

@keyframes am-tp-sub-pop {
  0% {
    opacity: 0;
    transform: translateY(14px) scale(0.97);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes am-tp-topic-pop {
  0% {
    opacity: 0;
    transform: translateY(22px) scale(0.92);
  }
  60% {
    opacity: 1;
    transform: translateY(-4px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.am-tp-celebrate p {
  font-size: 1.05rem;
  margin: 0 0 10px;
  text-align: center;
}

.am-tp-celebrate__body {
  font-size: 1.05rem;
  margin: 0 0 10px;
  text-align: center;
  width: 100%;
}

.am-tp-celebrate__sub {
  font-size: 0.85rem;
  color: #5a6570;
  margin: 0 auto 18px !important;
  text-align: center;
  width: 100%;
  max-width: 32rem;
}

.am-tp-celebrate__eyebrow {
  text-align: center;
  width: 100%;
}

.am-tp-celebrate form {
  margin-top: 8px;
  position: relative;
  z-index: 4;
  width: 100%;
  display: flex;
  justify-content: center;
}

@media (max-width: 640px) {
  .am-tp-celebrate--topic {
    min-height: auto;
    padding: 48px 22px 40px;
  }
  .am-tp-celebrate--topic .am-tp-celebrate__body {
    font-size: 1.7rem;
  }
  .am-tp-celebrate--topic .am-tp-celebrate__check {
    width: 104px;
    height: 104px;
  }
  .am-tp-celebrate--topic .am-tp-celebrate__check svg {
    width: 88px;
    height: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .am-tp-celebrate__check-glow,
  .am-tp-celebrate__check-mark,
  .am-tp-celebrate__tick,
  .am-tp-celebrate.is-waiting,
  .am-tp-celebrate.is-in,
  .am-tp-celebrate--topic.is-in,
  .am-tp-celebrate--subtopic.is-in,
  .am-tp-celebrate__spark,
  .am-tp-celebrate__flake,
  .am-tp-celebrate__ring {
    animation: none !important;
    transition: none !important;
  }
  .am-tp-celebrate.is-waiting {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  .am-tp-celebrate__check-mark {
    opacity: 1;
    transform: none;
  }
  .am-tp-celebrate__tick {
    stroke-dashoffset: 0;
  }
  .am-tp-celebrate__check-glow {
    opacity: 0.35;
  }
  .am-tp-celebrate__spark,
  .am-tp-celebrate__flake,
  .am-tp-celebrate__ring {
    display: none;
  }
}

.am-tp-lc-line {
  font-size: 0.85rem;
  color: #5a6570;
  margin: 0 0 12px;
  text-align: center;
}

.am-card-shell--challenge {
  border: 2px solid var(--am-primary);
  box-shadow: 0 0 0 3px var(--am-soft-teal);
}

/* Post-LC practice (CP1/CP2 / runway check) — soft teal wash vs beige MAIN. */
body.am-tp-cp-bg {
  background: color-mix(in srgb, var(--am-soft-teal) 48%, var(--am-page));
}
body.am-tp-cp-bg .am-tp-sticky {
  background: color-mix(in srgb, var(--am-soft-teal) 48%, var(--am-page));
}
.am-card-shell--cp {
  background-color: color-mix(in srgb, var(--am-soft-teal) 22%, var(--am-white));
  border-color: color-mix(in srgb, var(--am-primary) 28%, var(--am-border));
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--am-soft-teal) 70%, transparent),
    var(--am-shadow-card);
}

/* Foundation boost / Teaching Loop — full-bleed lane bar + soft green wash. */
body.am-tp-tl-lane {
  background: color-mix(in srgb, #1f6f78 6%, var(--am-page));
}
body.am-tp-tl-lane .am-tp-sticky,
body.am-tp-tl-lane .am-tp-sticky--tl {
  background: color-mix(in srgb, #1f6f78 6%, var(--am-page));
  padding-top: 0;
}
.am-tp-sticky--tl {
  overflow: visible;
}
.am-tp-tl-lane-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  width: 100vw;
  max-width: 100vw;
  margin: 0 0 10px;
  margin-left: calc(50% - 50vw);
  padding: 0.55rem 1rem 0.65rem;
  text-align: center;
  color: #f4fffb;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, #2a9d8f 88%, #14532d),
    color-mix(in srgb, #1f6f78 92%, #0f3d42)
  );
  box-shadow: 0 6px 16px -12px color-mix(in srgb, #0f3d42 55%, transparent);
}
.am-tp-tl-lane-bar__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 0.35rem 0.75rem;
}
.am-tp-tl-lane-bar__title {
  font: 700 0.95rem/1.2 var(--am-font-ui, inherit);
  letter-spacing: 0.02em;
}
.am-tp-tl-lane-bar__path {
  font: 700 0.78rem/1.2 var(--am-font-ui, inherit);
  letter-spacing: 0.03em;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  color: #0f3d42;
  background: color-mix(in srgb, #f4fffb 88%, #2a9d8f);
}
.am-tp-tl-lane-bar__sub {
  font: 500 0.82rem/1.3 var(--am-font-ui, inherit);
  opacity: 0.92;
}
.am-tp-tl-timeline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.15rem 0;
  list-style: none;
  margin: 0;
  padding: 0.15rem 0 0;
  width: min(100%, 36rem);
}
.am-tp-tl-timeline__step {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0.2rem 0.55rem;
  font: 600 0.78rem/1.2 var(--am-font-ui, inherit);
  letter-spacing: 0.01em;
  opacity: 0.55;
}
.am-tp-tl-timeline__step:not(:last-child)::after {
  content: "";
  display: inline-block;
  width: 1.1rem;
  height: 2px;
  margin-left: 0.45rem;
  border-radius: 2px;
  background: color-mix(in srgb, #f4fffb 35%, transparent);
}
.am-tp-tl-timeline__dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: color-mix(in srgb, #f4fffb 55%, transparent);
  flex-shrink: 0;
}
.am-tp-tl-timeline__step.is-done {
  opacity: 0.78;
}
.am-tp-tl-timeline__step.is-done .am-tp-tl-timeline__dot {
  background: #f4fffb;
  box-shadow: 0 0 0 2px color-mix(in srgb, #f4fffb 28%, transparent);
}
.am-tp-tl-timeline__step.is-live {
  opacity: 1;
  color: #fff;
}
.am-tp-tl-timeline__step.is-live .am-tp-tl-timeline__dot {
  background: #ffe08a;
  box-shadow: 0 0 0 3px color-mix(in srgb, #ffe08a 35%, transparent);
  animation: am-tp-tl-live-pulse 1.1s ease-in-out infinite;
}
.am-tp-tl-timeline__step.is-upcoming {
  opacity: 0.48;
}
@keyframes am-tp-tl-live-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.35);
    opacity: 0.72;
  }
}
@media (prefers-reduced-motion: reduce) {
  .am-tp-tl-timeline__step.is-live .am-tp-tl-timeline__dot {
    animation: none;
  }
}
/* LC page opened from Teaching Loop (?tl=1) — same lane signal, page-local spacing. */
.am-tp-tl-lane-bar--lc {
  margin-bottom: 1rem;
  border-radius: 0;
}
@media (max-width: 560px) {
  .am-tp-tl-lane-bar {
    gap: 0.35rem;
    padding: 0.5rem 0.85rem 0.6rem;
  }
  .am-tp-tl-lane-bar__head {
    flex-direction: column;
    gap: 0.15rem;
  }
  .am-tp-tl-lane-bar__sub {
    font-size: 0.78rem;
  }
  .am-tp-tl-timeline__step {
    font-size: 0.72rem;
    padding: 0.15rem 0.4rem;
  }
  .am-tp-tl-timeline__step:not(:last-child)::after {
    width: 0.65rem;
    margin-left: 0.3rem;
  }
}

/* Teach / worked example — soft learning wash (not prove / challenge). */
body.am-tp-teach-bg {
  background: color-mix(in srgb, var(--am-soft-yellow) 28%, var(--am-page));
}
body.am-tp-teach-bg .am-tp-sticky {
  background: color-mix(in srgb, var(--am-soft-yellow) 28%, var(--am-page));
}
.am-card-shell--teach {
  background-color: color-mix(in srgb, var(--am-soft-yellow) 14%, var(--am-white));
  border-color: color-mix(in srgb, var(--am-mustard) 22%, var(--am-border));
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--am-soft-yellow) 55%, transparent),
    var(--am-shadow-card);
}

/* Teach mode header — flat, not another card on a card-heavy page */
.am-tp-teach-relax {
  margin: 0 0 1.1rem;
  padding: 0 0 0.85rem;
  max-width: 42rem;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--am-mustard) 35%, var(--am-border));
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.am-tp-teach-relax__title {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.45rem 0.65rem;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
  letter-spacing: -0.02em;
  color: color-mix(in srgb, #4a3a12 55%, var(--am-ink));
}
.am-tp-teach-relax__title::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  flex: 0 0 auto;
  background: color-mix(in srgb, var(--am-mustard) 88%, #a88420);
  transform: translateY(-0.05rem);
}
.am-tp-teach-relax__sub {
  font-size: 0.9rem;
  margin: 0;
  color: color-mix(in srgb, var(--am-ink) 72%, #64748b);
  line-height: 1.45;
  font-weight: 500;
}

/* Teaching Loop — Notice → Move → Why cue above worked solution */
.am-tp-tl-nmw {
  margin: 0 0 1rem;
  padding: 0.75rem 0 0.85rem;
  max-width: 42rem;
  border-bottom: 1px solid color-mix(in srgb, var(--am-border) 80%, transparent);
}
.am-tp-tl-nmw__title {
  margin: 0 0 0.4rem;
  font-size: 0.92rem;
  font-weight: 650;
  color: var(--am-ink);
}
.am-tp-tl-nmw__list {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.88rem;
  line-height: 1.45;
  color: color-mix(in srgb, var(--am-ink) 78%, #64748b);
}
.am-tp-tl-nmw__list li {
  margin: 0.2rem 0;
}

.am-tp-teach-preview-note {
  font-size: 0.85rem;
  color: var(--am-muted, #5a6a7a);
  line-height: 1.45;
}
.am-tp-teach-preview-note a {
  font-weight: 600;
}

.am-prob__question-label--example {
  color: color-mix(in srgb, var(--am-mustard) 70%, var(--am-ink));
}
.am-prob__question-label--example .am-prob__question-label-text {
  opacity: 0.85;
}
.am-prob__example-note {
  font: 600 0.78rem/1.2 var(--am-font-ui);
  letter-spacing: 0.01em;
  text-transform: none;
  color: color-mix(in srgb, var(--am-mustard) 65%, #6b4e10);
  background: color-mix(in srgb, var(--am-soft-yellow) 60%, #fff);
  border-radius: 999px;
  padding: 4px 10px;
}

.am-tp-teach-answer {
  margin: 0.65rem 0 1rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  max-width: 42rem;
}
.am-tp-teach-answer__kicker {
  font: 700 0.68rem/1 var(--am-font-ui);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--am-ink) 55%, #64748b);
  margin-bottom: 0.3rem;
}
.am-tp-teach-answer__value {
  font-size: 1.05rem;
  line-height: 1.45;
  font-weight: 600;
  color: var(--am-ink);
}

.am-tp-teach-others {
  margin: 0 0 1.15rem;
  max-width: 42rem;
}
.am-tp-teach-others > summary {
  cursor: pointer;
  font: 600 0.85rem/1.3 var(--am-font-ui);
  color: var(--am-muted, #5a6a7a);
  list-style: none;
  padding: 0.35rem 0;
}
.am-tp-teach-others > summary::-webkit-details-marker {
  display: none;
}
.am-tp-teach-others > summary::before {
  content: "▸ ";
  color: var(--am-muted, #5a6a7a);
}
.am-tp-teach-others[open] > summary::before {
  content: "▾ ";
}
.am-tp-teach-others__hint {
  font-weight: 500;
  opacity: 0.85;
}
.am-prob__options--teach-ref {
  margin-top: 0.55rem;
  opacity: 0.78;
}
.am-prob__option--ref {
  pointer-events: none;
}

.am-tp-challenge-banner {
  background: var(--am-navy);
  color: #f6f4ea;
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 16px;
}

.am-tp-challenge-banner__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 4px;
}

.am-tp-challenge-banner__sub {
  font-size: 0.85rem;
  opacity: 0.9;
  margin: 0;
}

.am-tp-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.am-tp-pill {
  display: inline-block;
  font: 700 0.6875rem/1 var(--am-font-mono);
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--am-wash);
  color: var(--am-ink);
  border: 1px solid var(--am-border);
}

/* First-time step tip — light coach sticky-note (distinct from cream TP modals). */
.am-tp-step-tip {
  border: 0;
  padding: 0;
  background: transparent;
  width: min(360px, calc(100vw - 32px));
  max-width: min(360px, calc(100vw - 32px));
  overflow: visible;
}

.am-tp-step-tip::backdrop {
  background: color-mix(in srgb, var(--am-page) 55%, transparent);
}

.am-tp-step-tip__note {
  position: relative;
  margin-top: 14px;
  padding: 1.55rem 1.35rem 1.35rem;
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--am-soft-yellow) 88%, white) 0%,
      #fff8e6 48%,
      color-mix(in srgb, var(--am-soft-yellow) 70%, white) 100%
    );
  border: 1px solid color-mix(in srgb, var(--am-mustard) 42%, var(--am-border));
  border-radius: 4px 4px 14px 14px;
  box-shadow:
    2px 3px 0 color-mix(in srgb, var(--am-mustard) 22%, transparent),
    0 18px 40px color-mix(in srgb, var(--am-ink) 12%, transparent);
  transform: rotate(-1.4deg);
  animation: am-tp-step-tip-pop 0.4s cubic-bezier(0.22, 0.9, 0.3, 1) both;
}

.am-tp-step-tip__tape {
  position: absolute;
  top: -12px;
  left: 50%;
  width: 78px;
  height: 22px;
  transform: translateX(-50%) rotate(-3deg);
  background:
    repeating-linear-gradient(
      -18deg,
      color-mix(in srgb, var(--am-soft-teal) 75%, white),
      color-mix(in srgb, var(--am-soft-teal) 75%, white) 6px,
      color-mix(in srgb, var(--am-primary) 12%, white) 6px,
      color-mix(in srgb, var(--am-primary) 12%, white) 12px
    );
  border: 1px solid color-mix(in srgb, var(--am-primary) 18%, transparent);
  opacity: 0.92;
  box-shadow: 0 2px 6px color-mix(in srgb, var(--am-ink) 10%, transparent);
}

.am-tp-step-tip__stamp {
  position: absolute;
  top: 1.1rem;
  right: 1rem;
  width: 2.6rem;
  height: 2.6rem;
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  line-height: 1;
  border-radius: 50%;
  background: color-mix(in srgb, var(--am-white) 70%, var(--am-soft-yellow));
  border: 1.5px dashed color-mix(in srgb, var(--am-mustard) 55%, var(--am-border));
  box-shadow: 0 2px 0 color-mix(in srgb, var(--am-mustard) 25%, transparent);
  transform: rotate(8deg);
}

@keyframes am-tp-step-tip-pop {
  from {
    opacity: 0;
    transform: rotate(-1.4deg) translateY(16px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: rotate(-1.4deg);
  }
}

.am-tp-step-tip__eyebrow {
  margin: 0 0 0.45rem;
  padding-right: 3rem;
  font-family: var(--am-font-lc-title), var(--am-font-ui), sans-serif;
  font-size: 0.92rem;
  font-weight: 800;
  font-style: italic;
  letter-spacing: 0.01em;
  line-height: 1.2;
  color: color-mix(in srgb, var(--am-navy) 72%, var(--am-mustard));
}

.am-tp-step-tip__title {
  margin: 0 0 0.5rem;
  padding-right: 3rem;
  font-family: var(--am-font-lc-title), var(--am-font-ui), sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--am-navy);
}

.am-tp-step-tip__text {
  margin: 0 0 1.15rem;
  font-size: 0.98rem;
  line-height: 1.45;
  color: color-mix(in srgb, var(--am-ink) 82%, var(--am-navy));
}

.am-tp-step-tip__actions {
  display: flex;
  justify-content: center;
  margin: 0;
}

.am-tp-step-tip__cta.am-prob__btn--next {
  transform: rotate(1.4deg);
}

@media (prefers-reduced-motion: reduce) {
  .am-tp-step-tip__note {
    animation: none;
  }
}

/* Topic Path message popup — cream / familiarity style (no navy titlebar). */
.am-tp-popup {
  border: 0;
  padding: 0;
  background: transparent;
  width: min(640px, calc(100vw - 24px));
  min-width: 0;
  max-width: min(640px, calc(100vw - 24px));
}
.am-tp-popup::backdrop {
  background: color-mix(in srgb, var(--am-navy) 45%, transparent);
}
.am-tp-popup--choice {
  width: min(560px, calc(100vw - 24px));
  max-width: min(560px, calc(100vw - 24px));
}
.am-tp-popup__card {
  background: #e7e7e7;
  border: 1px solid color-mix(in srgb, var(--am-border) 80%, transparent);
  border-left: 3px solid color-mix(in srgb, var(--am-navy) 18%, var(--am-border));
  border-radius: var(--am-radius-card, 16px);
  padding: 28px 28px 24px;
  overflow: hidden;
  box-shadow: 0 18px 48px color-mix(in srgb, var(--am-navy) 18%, transparent);
  display: flex;
  flex-direction: column;
}
.am-tp-popup__card--choice {
  position: relative;
  min-height: 0;
}
.am-tp-popup__choice-header {
  margin-bottom: 18px;
  padding-right: 28px;
}
.am-tp-popup__choice-header .am-tp-familiarity__honest {
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}
.am-tp-familiarity__grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 420px;
}
.am-tp-familiarity__grid--2::before {
  display: none;
}
a.am-tp-fam-card,
button.am-tp-fam-card {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  border: 0;
  font: inherit;
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}
button.am-tp-fam-card .am-tp-fam-card__go {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
@media (max-width: 760px) {
  .am-tp-familiarity__grid--2 {
    max-width: 280px;
  }
}
.am-tp-popup__ok,
.am-tp-popup__ok:hover,
.am-tp-popup__ok:focus,
.am-tp-popup__ok:active {
  border: 0 !important;
  outline: none !important;
  box-shadow: none !important;
}

/* LC intro — path steps (img2) */
.am-tp-popup--path {
  width: min(640px, calc(100vw - 24px));
  min-width: 0;
  max-width: min(640px, calc(100vw - 24px));
}
.am-tp-popup__card--path {
  position: relative;
  min-height: 0;
  padding: 28px 28px 24px;
  background: #e7e7e7;
  border: 1px solid color-mix(in srgb, var(--am-border) 80%, transparent);
  border-left: 3px solid color-mix(in srgb, var(--am-navy) 18%, var(--am-border));
}
.am-tp-popup__close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: color-mix(in srgb, var(--am-ink) 45%, transparent);
  font: 400 1.5rem/1 var(--am-font-ui);
  text-decoration: none;
  cursor: pointer;
}
.am-tp-popup__close:hover,
.am-tp-popup__close:focus-visible {
  color: var(--am-navy);
  background: color-mix(in srgb, var(--am-navy) 6%, transparent);
  outline: none;
}
.am-tp-popup__path-title {
  margin: 0 40px 12px 0;
  font: 700 1.55rem/1.25 var(--am-font-page-title);
  color: var(--am-navy);
  letter-spacing: -0.02em;
}
.am-tp-popup__path-mark {
  position: relative;
  display: inline-block;
}
.am-tp-popup__path-mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 8%;
  bottom: 1px;
  height: 3px;
  border-radius: 2px;
  background: #f0a03a;
  transform: rotate(-1.2deg);
}
.am-tp-popup__path-body {
  margin: 0 0 20px;
  max-width: 36rem;
  font: 400 0.98rem/1.5 var(--am-font-body);
  color: color-mix(in srgb, var(--am-ink) 78%, transparent);
}
.am-tp-popup__path-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}
.am-tp-popup__step {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 12px;
  flex: 1 1 140px;
  max-width: 170px;
}
.am-tp-popup__step--learn {
  background: #e7f2fb;
  color: #2f6f96;
}
.am-tp-popup__step--practice {
  background: #e6f6ef;
  color: #2b7d70;
}
.am-tp-popup__step--improve {
  background: #efe8f8;
  color: #6b4f9a;
}
.am-tp-popup__step-icon {
  flex: none;
  display: inline-flex;
}
.am-tp-popup__step-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  text-align: left;
}
.am-tp-popup__step-copy strong {
  font: 700 0.82rem/1.2 var(--am-font-ui);
  color: inherit;
}
.am-tp-popup__step-copy span {
  font: 400 0.7rem/1.25 var(--am-font-body);
  color: color-mix(in srgb, var(--am-ink) 62%, transparent);
}
.am-tp-popup__step-arrow {
  flex: none;
  color: color-mix(in srgb, var(--am-ink) 40%, transparent);
  font-size: 1rem;
  line-height: 1;
}
.am-tp-popup__path-actions {
  display: flex;
  justify-content: center;
}
.am-tp-popup__got-it {
  min-width: 148px;
  padding: 12px 28px !important;
  font-size: 1rem !important;
  border-radius: 12px !important;
}
@media (max-width: 560px) {
  .am-tp-popup__step-arrow {
    display: none;
  }
  .am-tp-popup__step {
    max-width: none;
    flex: 1 1 100%;
  }
}

.am-tp-cta {
  display: flex;
  justify-content: center;
}

.am-tp-banner {
  font: 600 0.9375rem/1.5 var(--am-font-body);
  color: var(--am-ink);
}

/* Path status banner — forest callout inside the problem card. */
.am-tp-status-banner {
  --am-tp-banner: #1f6f78;
  background: color-mix(in srgb, var(--am-tp-banner) 18%, white);
  border: 1px solid color-mix(in srgb, var(--am-tp-banner) 42%, white);
  border-left: 4px solid var(--am-tp-banner);
  border-radius: 10px;
  padding: 5px 10px 5px 34px;
  font: 600 0.8125rem/1.3 var(--am-font-body);
  color: color-mix(in srgb, var(--am-tp-banner) 55%, #1c2a32);
  box-shadow: none;
  position: relative;
  margin: 0 0 10px;
}

.am-tp-status-banner.am-tp-settle-card {
  padding: 14px 16px;
  border-left-width: 5px;
  margin-bottom: 0;
}

.am-tp-status-banner.am-tp-settle-card.is-modal {
  padding: 1.25rem 1.45rem 1.3rem;
  border-radius: 14px;
  border-left-width: 6px;
  font: 650 1.05rem/1.45 var(--am-font-body);
}

.am-tp-status-banner.am-tp-settle-card::before {
  display: none;
}

/* Wrong / optional-retry — orange so it doesn’t read as “correct”. */
.am-tp-status-banner--miss {
  --am-tp-banner: #FF5000;
}

.am-tp-status-banner::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 0.95rem;
  height: 0.95rem;
  background-color: var(--am-tp-banner);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='9.25' fill='none' stroke='%23000' stroke-width='1.8'/%3E%3Ccircle cx='12' cy='8.2' r='1.15' fill='%23000'/%3E%3Cpath d='M12 11.2v5.4' fill='none' stroke='%23000' stroke-width='1.9' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='9.25' fill='none' stroke='%23000' stroke-width='1.8'/%3E%3Ccircle cx='12' cy='8.2' r='1.15' fill='%23000'/%3E%3Cpath d='M12 11.2v5.4' fill='none' stroke='%23000' stroke-width='1.9' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

.am-tp-topic-nudge {
  position: relative;
  background: color-mix(in srgb, var(--am-soft-teal) 55%, white);
  border: 1px solid color-mix(in srgb, var(--am-primary) 22%, var(--am-border));
  border-left: 4px solid var(--am-primary);
  border-radius: 12px;
  padding: 14px 16px 14px 44px;
  font: 500 0.9375rem/1.5 var(--am-font-body);
  color: #3d4650;
  box-shadow: none;
}

.am-tp-topic-nudge::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 15px;
  width: 1.2rem;
  height: 1.2rem;
  background-color: var(--am-primary);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='9.25' fill='none' stroke='%23000' stroke-width='1.8'/%3E%3Ccircle cx='12' cy='8.2' r='1.15' fill='%23000'/%3E%3Cpath d='M12 11.2v5.4' fill='none' stroke='%23000' stroke-width='1.9' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='9.25' fill='none' stroke='%23000' stroke-width='1.8'/%3E%3Ccircle cx='12' cy='8.2' r='1.15' fill='%23000'/%3E%3Cpath d='M12 11.2v5.4' fill='none' stroke='%23000' stroke-width='1.9' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* Quiet info/feedback — settle modal → top (same motion as retry). */
.am-tp-quiet-toast {
  --am-quiet: #1f6f78;
  position: relative;
  margin: 0;
  padding: 14px 44px 14px 16px;
  border-radius: var(--am-radius-md);
  background: color-mix(in srgb, var(--am-quiet) 12%, white);
  border: 1px solid color-mix(in srgb, var(--am-quiet) 32%, white);
  border-left: 5px solid var(--am-quiet);
  color: var(--am-quiet);
  will-change: transform;
}

.am-tp-quiet-toast--miss {
  --am-quiet: var(--am-accent);
}

.am-tp-quiet-toast__body {
  font: 500 0.9375rem/1.5 var(--am-font-body);
  color: color-mix(in srgb, var(--am-quiet) 42%, #1c2a32);
}

.am-tp-quiet-toast__body p:first-child {
  font-weight: 700;
  color: color-mix(in srgb, var(--am-quiet) 62%, #1c2a32);
}

.am-tp-quiet-toast__close {
  position: absolute;
  top: 10px;
  right: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: color-mix(in srgb, var(--am-quiet) 55%, transparent);
  cursor: pointer;
}

.am-tp-quiet-toast__close:hover,
.am-tp-quiet-toast__close:focus-visible {
  color: var(--am-quiet);
  background: color-mix(in srgb, var(--am-quiet) 10%, transparent);
  outline: none;
}

.am-tp-quiet-toast.is-dismissed {
  display: none;
}

.am-tp-topic-nudge a {
  color: var(--am-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.am-tp-topic-nudge .am-prob__btn--skip {
  background: color-mix(in srgb, var(--am-soft-teal) 55%, white);
  color: var(--am-navy);
  border: 1px solid color-mix(in srgb, var(--am-primary) 28%, transparent);
}

/* Prep / Topic Path — admin-only UI (deep orange; hidden from students).
   Orange chrome alone marks admin — no "Admin only" label. */
.am-admin-only {
  position: relative;
  margin: 0.65rem 0;
  padding: 0.6rem 0.75rem 0.7rem;
  border: 1.5px solid var(--am-admin-only-border);
  border-left: 4px solid var(--am-admin-only);
  border-radius: var(--am-radius-sm);
  background: var(--am-admin-only-bg);
  color: var(--am-admin-only-ink);
}

.am-admin-only--toolbar {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0.35rem 0.55rem;
  vertical-align: middle;
}

.am-admin-only--stack {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.am-admin-only--meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.75rem;
  margin: 0 0 8px;
  padding: 0.3rem 0.55rem;
}

.am-admin-only--meta .am-prob__diff {
  margin: 0;
}

.am-admin-only--meta .am-prob__diff-pill {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
}

.am-admin-only--meta .am-meta {
  margin-left: auto;
}

/* Source · score strip for all students (temp); admin adds ans/path/MC. */
.am-prob-meta-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  margin: 0 0 0.65rem;
  font: 600 0.75rem/1.2 var(--am-font-ui);
}

.am-prob-meta-strip .am-tag-pill--source {
  background: color-mix(in srgb, var(--am-teal, #0d9488) 14%, #fff);
  color: var(--am-ink, #0f172a);
  border: 1px solid color-mix(in srgb, var(--am-teal, #0d9488) 35%, transparent);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  text-transform: none;
}

.am-admin-only--reveal .am-meta {
  margin-left: 0;
  font-weight: 700;
}

.am-admin-only--reveal .am-tag-pill--source {
  background: color-mix(in srgb, var(--am-admin-only) 18%, #fff);
  color: var(--am-admin-only);
  border: 1px solid color-mix(in srgb, var(--am-admin-only) 45%, transparent);
}

.am-admin-only-inline {
  display: inline;
  padding: 0.05em 0.35em;
  border-radius: 4px;
  background: var(--am-admin-only-bg);
  border: 1px solid var(--am-admin-only-border);
  color: var(--am-admin-only);
  font-weight: 700;
}

.am-admin-only .am-tp-pill,
.am-admin-only .btn-outline-secondary,
.am-admin-only .btn-outline-danger,
.am-admin-only .btn-warning {
  border-color: color-mix(in srgb, var(--am-admin-only) 55%, transparent);
  color: var(--am-admin-only);
  background: color-mix(in srgb, var(--am-admin-only) 6%, #fff);
}

.am-admin-only .btn-warning {
  background: color-mix(in srgb, var(--am-admin-only) 14%, #fff);
}

.am-admin-only .am-tp-pill {
  font-weight: 600;
}

.am-admin-only .text-muted,
.am-admin-only .small.text-muted {
  color: color-mix(in srgb, var(--am-admin-only-ink) 72%, var(--am-muted, #667)) !important;
}

.am-admin-only code,
.am-admin-only .font-monospace {
  color: var(--am-admin-only-ink);
  background: color-mix(in srgb, var(--am-admin-only) 6%, #fff);
}

.am-admin-only .table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--am-admin-only-ink);
}

.am-admin-only details > summary {
  color: var(--am-admin-only);
  font-weight: 600;
}

.am-admin-only .am-admin-bar {
  margin: 0;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--am-admin-only-border);
  border-radius: var(--am-radius-sm);
  background: color-mix(in srgb, var(--am-admin-only) 5%, #fff);
}

.am-admin-only .am-prob__btn--ghost {
  border: 1.5px solid var(--am-admin-only-border);
  color: var(--am-admin-only);
  background: color-mix(in srgb, var(--am-admin-only) 8%, #fff);
}

.am-admin-only .am-prob__header,
.am-admin-only .am-prob__diff,
.am-admin-only .fw-semibold {
  color: var(--am-admin-only-ink);
}

.am-admin-only .am-meta {
  color: var(--am-admin-only);
}

/* Solution walkthrough — CTA inside Solution panel */
.am-explainer-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  width: 50%;
  max-width: 50%;
  box-sizing: border-box;
  margin: 4px 0 14px;
  padding: 14px 20px;
  border: 1.5px solid color-mix(in srgb, var(--am-accent) 85%, #fff);
  border-radius: 12px;
  background: var(--am-accent);
  color: var(--am-canvas);
  font: 700 1.05rem/1.2 var(--am-font-ui);
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow:
    0 6px 18px color-mix(in srgb, var(--am-accent) 35%, transparent),
    0 1px 0 color-mix(in srgb, #fff 18%, transparent) inset;
  transition: background .15s ease, transform .15s ease, box-shadow .15s ease;
}
.am-explainer-btn:hover {
  background: color-mix(in srgb, var(--am-accent) 88%, #000);
  border-color: color-mix(in srgb, var(--am-accent) 70%, #000);
  color: var(--am-canvas);
  transform: translateY(-1px);
  box-shadow:
    0 10px 24px color-mix(in srgb, var(--am-accent) 42%, transparent),
    0 1px 0 color-mix(in srgb, #fff 22%, transparent) inset;
}
.am-explainer-btn:active {
  transform: translateY(0);
  box-shadow: 0 3px 10px color-mix(in srgb, var(--am-accent) 28%, transparent);
}
.am-explainer-btn + .am-explainer-btn {
  margin-top: 0;
}

/* Solution panel — How it works runway skin (mint shell, teal + clay) */
.am-panel-solution {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-radius: 18px;
  color: #172027;
  background: color-mix(in srgb, #dceef0 72%, #fff);
  border: 1px solid color-mix(in srgb, #1a6870 16%, transparent);
  box-shadow: 0 8px 24px color-mix(in srgb, #1a6870 8%, transparent);
}
.am-panel-solution__label {
  font: 700 1.35rem / 1.15 var(--am-font-display, "Fraunces", "Roboto Slab", Georgia, serif);
  text-transform: none;
  letter-spacing: 0;
  color: #172027;
}
.am-panel-solution__body {
  color: var(--am-ink);
  font: 400 0.875rem/1.7 var(--am-font-body);
}
.am-panel-solution__feedback {
  padding: 10px 12px;
  border-radius: var(--am-radius-sm);
  background: color-mix(in srgb, var(--am-soft-teal) 55%, var(--am-white));
  border-left: 3px solid var(--am-primary);
  color: var(--am-navy);
  font: 500 0.875rem/1.5 var(--am-font-body);
}
.am-panel-solution__empty {
  color: color-mix(in srgb, var(--am-navy) 55%, var(--am-muted, #667));
  font: 400 0.875rem/1.5 var(--am-font-body);
}

/* Admin-only Original / Revised solution compare (sidecar, not pipeline). */
.am-panel-solution__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.85rem;
}
.am-panel-solution__head--split {
  justify-content: space-between;
}
.am-panel-solution__head .am-panel-solution__label {
  margin: 0;
}
.am-sol-review__tabs {
  margin: 0;
  padding: 0.2rem;
  gap: 0.2rem;
}
.am-sol-review__tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--am-admin-only);
  font: 650 0.72rem/1.2 var(--am-font-body);
  letter-spacing: 0.02em;
  padding: 0.28rem 0.62rem;
  border-radius: 999px;
  cursor: pointer;
}
.am-sol-review__tab.is-active {
  background: color-mix(in srgb, var(--am-admin-only) 16%, #fff);
  color: var(--am-admin-only-ink);
}
.am-sol-review__delta {
  display: inline-block;
  margin-left: 0.15rem;
  font-variant-numeric: tabular-nums;
  opacity: 0.85;
}
.am-sol-review__issues {
  margin: 0 0 0.75rem;
  padding: 0.5rem 0.7rem 0.55rem;
}
.am-sol-review__issues-meta {
  font: 650 0.72rem/1.3 var(--am-font-body);
  letter-spacing: 0.02em;
  text-transform: lowercase;
  margin-bottom: 0.3rem;
}
.am-sol-review__issues-list {
  margin: 0;
  padding-left: 1.1rem;
  font: 400 0.78rem/1.45 var(--am-font-body);
}
.am-sol-review__issues-list li + li {
  margin-top: 0.2rem;
}

/* Solution math — same Open Sans chips as Learning Card Example */
.am-panel-solution {
  --am-font-math: "Open Sans", "Hanken Grotesk", system-ui, sans-serif;
  --am-math-chip-bg: #fff;
  --am-math-chip-border: rgba(20, 80, 89, 0.1);
  --am-math-chip-ink: #172027;
}

.am-panel-solution .katex,
.am-panel-solution .katex .mathnormal,
.am-panel-solution .katex .mathrm,
.am-panel-solution .katex .mathit,
.am-panel-solution .katex .mathbf,
.am-panel-solution .katex .textit,
.am-panel-solution .katex .textrm,
.am-panel-solution .katex .textsf,
.am-panel-solution .katex .texttt,
.am-panel-solution .katex .mord,
.am-panel-solution .katex .mop,
.am-panel-solution .katex .mbin,
.am-panel-solution .katex .mrel,
.am-panel-solution .katex .mopen,
.am-panel-solution .katex .mclose,
.am-panel-solution .katex .mpunct,
.am-panel-solution .katex .minner,
.am-panel-solution .katex .mtight {
  font-family: var(--am-font-math) !important;
}

.am-panel-solution .katex {
  display: inline-block;
  font-size: 0.98em;
  padding: 0.14em 0.42em 0.18em;
  margin: 0 0.08em;
  border-radius: 6px;
  background: var(--am-math-chip-bg);
  border: 1px solid var(--am-math-chip-border);
  color: var(--am-math-chip-ink);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  line-height: 1.35;
}

.am-panel-solution .katex .mord,
.am-panel-solution .katex .mop,
.am-panel-solution .katex .mbin,
.am-panel-solution .katex .mrel,
.am-panel-solution .katex .mopen,
.am-panel-solution .katex .mclose,
.am-panel-solution .katex .mpunct,
.am-panel-solution .katex .minner,
.am-panel-solution .katex .mfrac,
.am-panel-solution .katex .sqrt,
.am-panel-solution .katex .vlist-t {
  color: inherit;
}

.am-panel-solution .katex-display {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 0.45em 0;
  padding: 0.45em 0.65em;
  border-radius: 8px;
  background: var(--am-math-chip-bg);
  border: 1px solid var(--am-math-chip-border);
  color: var(--am-math-chip-ink);
  text-align: left;
  box-sizing: border-box;
  font-size: 90%;
}

.am-panel-solution .katex-display > .katex {
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  color: inherit;
}

/* ∠ is a short operator — grow up from the baseline to letter cap height. */
.am-panel-solution .katex .am-angle {
  display: inline-block;
  font-size: 1em;
  line-height: 1;
  vertical-align: baseline;
  transform: scale(1.42);
  transform-origin: left bottom;
  margin-right: 0.22em;
}

/* Quiet idea next to a solution — not a help-path peek */
.am-sol-idea {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  margin-top: 0.15rem;
}
.am-sol-idea__box {
  border: 0;
  background: transparent;
  padding: 0;
  width: 100%;
}
.am-sol-idea__scope {
  margin: 0;
  font: 650 0.68rem/1.2 var(--am-font-ui);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b85c38;
  opacity: 1;
}
.am-sol-idea__btn {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  padding: 10px 20px;
  border-radius: 999px;
  border: 0;
  background: #1a6870;
  font: 700 0.9rem/1.1 var(--am-font-ui);
  color: #fff;
  letter-spacing: 0.01em;
}
.am-sol-idea__btn:hover {
  background: #145059;
}
.am-sol-idea__btn::-webkit-details-marker {
  display: none;
}
.am-sol-idea__btn::after {
  content: "▾";
  font-weight: 500;
  opacity: 0.75;
}
.am-sol-idea__box[open] .am-sol-idea__btn::after {
  content: "▴";
}
.am-sol-idea__body {
  margin-top: 0.65rem;
  padding: 0.85rem 1rem;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(20, 80, 89, 0.1);
}
.am-sol-idea__more {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin: 1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(20, 80, 89, 0.1);
}
.am-sol-idea__nudge {
  font: 600 0.9rem/1.3 var(--am-font-ui);
  color: #52606a;
}
.am-sol-idea__lesson {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  background: #1a6870;
  color: #fff;
  font: 700 0.88rem/1.1 var(--am-font-ui);
  text-decoration: none;
}
.am-sol-idea__lesson:hover {
  background: #145059;
  color: #fff;
}
.am-review .am-sol-idea {
  margin-top: 0.85rem;
}

/* medium_teach structured solution — coach workbook beats */
.am-teach-sol {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}
.am-teach-sol__block {
  padding: 0;
  border: 0;
  background: transparent;
}
.am-teach-sol__label {
  display: block;
  font: 700 0.7rem/1.2 var(--am-font-ui);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--am-navy) 62%, #64748b);
  margin: 0 0 0.45rem;
}
.am-teach-sol__body {
  font: 400 0.95rem/1.65 var(--am-font-body);
  color: var(--am-ink);
}

/* Watch for this — lives inside Tip coach (not a separate card) */
.am-teach-sol__block--watch {
  padding: 0 0 0.7rem;
  margin: 0 0 0.15rem;
  border-bottom: 1px solid color-mix(in srgb, var(--am-primary) 14%, transparent);
}
.am-teach-sol__block--watch .am-teach-sol__label {
  color: color-mix(in srgb, var(--am-primary) 78%, var(--am-navy));
  margin-bottom: 0.3rem;
}
.am-teach-sol__block--watch .am-teach-sol__body {
  font: 400 0.92rem/1.55 var(--am-font-body);
  color: color-mix(in srgb, var(--am-ink) 82%, #64748b);
}

/* Coach strip — Tip + Because */
.am-teach-sol__coach {
  display: grid;
  grid-template-columns: 2rem 1fr;
  align-items: stretch;
  border-radius: 4px 14px 14px 4px;
  overflow: hidden;
  background:
    linear-gradient(
      165deg,
      color-mix(in srgb, var(--am-soft-teal) 55%, #fff) 0%,
      color-mix(in srgb, var(--am-white) 92%, var(--am-navy)) 100%
    );
  border: 1px solid color-mix(in srgb, var(--am-navy) 14%, var(--am-border));
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 80%, transparent) inset,
    4px 7px 0 color-mix(in srgb, var(--am-navy) 9%, transparent);
}
.am-teach-sol__coach-rail {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--am-navy) 0%, var(--am-primary) 100%);
  color: color-mix(in srgb, var(--am-white) 94%, var(--am-soft-teal));
}
.am-teach-sol__coach-rail-text {
  font: 700 0.65rem/1 var(--am-font-mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  user-select: none;
}
.am-teach-sol__coach-main {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0.85rem 1rem 0.95rem;
}
.am-teach-sol__block--key {
  padding: 0;
  border-bottom: 0;
}
.am-teach-sol__block--key.has-watch {
  padding-top: 0.55rem;
}
.am-teach-sol__block--key.has-because {
  padding-bottom: 0.55rem;
}
.am-teach-sol__block--key .am-teach-sol__body {
  font-weight: 600;
  color: var(--am-ink);
  font-size: 1.02rem;
  line-height: 1.5;
}
.am-teach-sol__block--why {
  padding: 0;
  margin: 0;
}
.am-teach-sol__because {
  margin: 0;
  font: 400 0.92rem/1.55 var(--am-font-body);
  color: color-mix(in srgb, var(--am-ink) 78%, #64748b);
}
.am-teach-sol__because-lead {
  font-weight: 700;
  font-style: italic;
  color: color-mix(in srgb, var(--am-primary) 78%, var(--am-navy));
  margin-right: 0.28rem;
}

/* Steps — one shared box, numbered rows (not a card per step) */
.am-teach-sol__block--steps {
  padding: 0.15rem 0 0.1rem;
}
.am-teach-sol__block--steps .am-teach-sol__label {
  color: var(--am-navy);
  margin-bottom: 0.55rem;
}
.am-teach-sol__steps {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0.55rem 0.45rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  counter-reset: am-teach-step;
  border-radius: 12px;
  background: color-mix(in srgb, var(--am-white) 88%, var(--am-soft-teal));
  border: 1px solid color-mix(in srgb, var(--am-navy) 9%, var(--am-border));
}
.am-teach-sol__step {
  position: relative;
  counter-increment: am-teach-step;
  padding: 0.65rem 0.55rem 0.65rem 2.55rem;
  font: 400 0.95rem/1.55 var(--am-font-body);
  color: var(--am-ink);
  border-radius: 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--am-navy) 8%, transparent);
}
.am-teach-sol__step:last-child {
  border-bottom: 0;
}
.am-teach-sol__step::before {
  content: counter(am-teach-step);
  position: absolute;
  left: 0.35rem;
  top: 0.68rem;
  width: 1.45rem;
  height: 1.45rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font: 700 0.72rem/1 var(--am-font-ui);
  letter-spacing: 0;
  color: #fff;
  background: linear-gradient(165deg, var(--am-primary) 0%, var(--am-navy) 100%);
  box-shadow: 0 2px 0 color-mix(in srgb, var(--am-navy) 28%, transparent);
}

/* Closing callouts */
.am-teach-sol__closing {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.15rem;
}
.am-teach-sol__block--trap {
  padding: 0.9rem 1rem 0.95rem 1.05rem;
  border-radius: 3px 12px 12px 10px;
  border: 1px solid color-mix(in srgb, var(--am-accent) 28%, var(--am-border));
  border-left: 4px solid var(--am-accent);
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--am-soft-accent) 88%, #fff) 0%,
      color-mix(in srgb, var(--am-soft-accent) 48%, #fff) 100%
    );
  box-shadow: 3px 5px 0 color-mix(in srgb, var(--am-accent) 14%, transparent);
}
.am-teach-sol__block--trap .am-teach-sol__label {
  color: color-mix(in srgb, var(--am-accent) 78%, #6b1f1a);
}
.am-teach-sol__block--takeaway {
  padding: 0.95rem 1.05rem 1rem;
  border-radius: 3px 14px 14px 12px;
  border: 1px solid color-mix(in srgb, var(--am-primary) 24%, transparent);
  background:
    radial-gradient(
      ellipse 110% 90% at 6% 0%,
      color-mix(in srgb, var(--am-soft-teal) 70%, #fff) 0%,
      color-mix(in srgb, var(--am-soft-teal) 28%, #fff) 100%
    );
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 70%, transparent) inset,
    4px 7px 0 color-mix(in srgb, var(--am-primary) 12%, transparent);
}
.am-teach-sol__block--takeaway .am-teach-sol__label {
  font: 700 1.35rem/1 var(--am-font-hand);
  letter-spacing: 0.01em;
  text-transform: none;
  color: color-mix(in srgb, var(--am-primary) 72%, var(--am-navy));
  transform: rotate(-2.4deg);
  transform-origin: left center;
  margin-bottom: 0.55rem;
}
.am-teach-sol__block--takeaway .am-teach-sol__body {
  font-weight: 600;
  color: var(--am-navy);
}

@media (prefers-reduced-motion: no-preference) {
  .am-teach-sol__coach,
  .am-teach-sol__block--steps,
  .am-teach-sol__block--trap,
  .am-teach-sol__block--takeaway {
    animation: am-teach-sol-in 0.45s ease both;
  }
  .am-teach-sol__coach {
    animation-delay: 0.05s;
  }
  .am-teach-sol__block--steps {
    animation-delay: 0.1s;
  }
  .am-teach-sol__block--trap {
    animation-delay: 0.14s;
  }
  .am-teach-sol__block--takeaway {
    animation-delay: 0.18s;
  }
}
@keyframes am-teach-sol-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Solution / LC walkthrough — live HTML player preview CTA */
.am-walkthrough-preview-wrap {
  margin: 14px 0 16px;
  padding: 14px 14px 12px;
  border-radius: var(--am-radius-lg);
  border: 1.5px solid color-mix(in srgb, var(--am-navy) 10%, var(--am-border));
  background:
    linear-gradient(165deg, #fff 0%, #f9f8ef 52%, color-mix(in srgb, var(--am-soft-teal) 28%, #f9f8ef) 100%);
  box-shadow:
    0 10px 28px color-mix(in srgb, var(--am-navy) 7%, transparent),
    0 1px 0 color-mix(in srgb, #fff 90%, transparent) inset;
}
.am-walkthrough-preview-wrap--in-solution {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}
.am-panel-solution .am-panel-solution__body + .am-walkthrough-preview-wrap--in-solution,
.am-panel-solution .am-panel-solution__empty + .am-walkthrough-preview-wrap--in-solution,
.am-panel-solution .am-prob__hint-inline + .am-walkthrough-preview-wrap--in-solution {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid color-mix(in srgb, var(--am-navy) 8%, var(--am-border));
}

.am-walkthrough-preview {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  align-self: flex-start;
  width: min(100%, 380px);
  max-width: 380px;
  margin: 0;
  padding: 0;
  border: 2px solid color-mix(in srgb, var(--am-navy) 14%, var(--am-border));
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  color: var(--am-ink);
  cursor: pointer;
  text-align: left;
  box-shadow:
    0 8px 22px color-mix(in srgb, var(--am-navy) 10%, transparent),
    0 0 0 1px color-mix(in srgb, #fff 70%, transparent) inset;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.am-walkthrough-preview-wrap .am-walkthrough-preview {
  width: min(100%, 380px);
  max-width: 380px;
}
/* Video card inside Solution — stacked player + hook */
.am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview {
  flex-direction: column;
  width: min(100%, 400px);
  max-width: 400px;
}
.am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview__media {
  flex: none;
  width: 100%;
  max-width: none;
  min-width: 0;
  aspect-ratio: 16 / 9;
  max-height: none;
  min-height: 210px;
  border-right: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--am-navy) 12%, #000);
  background: #1a2830;
}
.am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview__meta {
  flex: none;
  min-width: 0;
  justify-content: flex-start;
  gap: 5px;
  padding: 12px 14px 13px;
  border-top: 3px solid var(--am-mustard);
  border-left: 0;
}
.am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview--sw .am-walkthrough-preview__meta {
  border-top-color: color-mix(in srgb, var(--am-accent) 65%, var(--am-mustard));
}
.am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview__title {
  font-size: 0.98rem;
  line-height: 1.3;
  display: block;
  -webkit-line-clamp: unset;
  overflow: visible;
}
.am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview__play {
  left: 50%;
  top: 50%;
  right: auto;
  bottom: auto;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  box-shadow:
    0 0 0 4px color-mix(in srgb, #fff 28%, transparent),
    0 1px 0 color-mix(in srgb, #fff 32%, transparent) inset,
    0 10px 24px color-mix(in srgb, #000 35%, transparent);
}
.am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview:hover .am-walkthrough-preview__play {
  transform: translate(-50%, -50%) scale(1.06);
}
.am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview__play svg {
  width: 28px;
  height: 28px;
}
.am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview__badge {
  left: auto;
  right: 10px;
  bottom: 10px;
}
.am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview__beat {
  top: 34px;
  left: 12px;
  max-width: calc(100% - 80px);
  font-size: 0.82rem;
  color: #fff;
  text-shadow: 0 1px 3px color-mix(in srgb, #000 55%, transparent);
}
.am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview__beat::after {
  background: var(--am-mustard);
}
.am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview--sw .am-walkthrough-preview__beat::after {
  background: color-mix(in srgb, var(--am-accent) 80%, #fff);
}
.am-walkthrough-preview:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--am-mustard) 55%, var(--am-primary));
  box-shadow:
    0 12px 28px color-mix(in srgb, var(--am-navy) 12%, transparent),
    0 0 0 1px color-mix(in srgb, var(--am-mustard) 30%, transparent);
}
.am-walkthrough-preview:active {
  transform: translateY(0);
}
.am-walkthrough-preview + .am-walkthrough-preview,
.am-walkthrough-preview + .am-explainer-btn,
.am-explainer-btn + .am-walkthrough-preview {
  margin-top: 10px;
}
.am-walkthrough-preview__media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  min-height: 200px;
  background: #1a2830;
  overflow: hidden;
  border-bottom: 1px solid color-mix(in srgb, var(--am-navy) 12%, #000);
}
/* Rubber-stamp overlay (LC optional video) — top-left, covers part of frame. */
.am-walkthrough-preview__stamp {
  position: absolute;
  top: 8px;
  left: 6px;
  z-index: 6;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  max-width: min(62%, 13rem);
  padding: 9px 12px 8px;
  color: var(--am-accent);
  background: color-mix(in srgb, var(--am-white) 78%, transparent);
  border: 2.5px solid var(--am-accent);
  box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--am-accent) 72%, transparent);
  border-radius: 2px;
  transform: rotate(-11deg);
  transform-origin: left top;
  pointer-events: none;
  user-select: none;
  opacity: 0.94;
  mix-blend-mode: multiply;
}
.am-walkthrough-preview__stamp-title {
  font: 800 1.12rem/1 var(--am-font-ui);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.am-walkthrough-preview__stamp-note {
  font: 700 0.74rem/1.3 var(--am-font-ui);
  letter-spacing: 0.01em;
  text-transform: none;
  color: color-mix(in srgb, var(--am-accent) 92%, #5a1814);
  max-width: 100%;
}
.am-walkthrough-preview__video-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px 4px 7px;
  border-radius: 999px;
  font: 700 0.62rem/1 var(--am-font-ui);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: color-mix(in srgb, var(--am-navy) 82%, #000);
  border: 1px solid color-mix(in srgb, #fff 22%, transparent);
  pointer-events: none;
}
.am-walkthrough-preview__video-tag svg {
  flex: none;
  opacity: 0.95;
}
.am-walkthrough-preview__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--am-navy) 18%, transparent) 0%, transparent 28%),
    linear-gradient(0deg, color-mix(in srgb, #000 38%, transparent) 0%, transparent 42%);
  pointer-events: none;
}
.am-walkthrough-preview__scrub {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  height: 4px;
  background: color-mix(in srgb, #fff 18%, transparent);
  pointer-events: none;
}
.am-walkthrough-preview__scrub::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 34%;
  height: 100%;
  background: linear-gradient(90deg, var(--am-primary), var(--am-mustard));
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 8px color-mix(in srgb, var(--am-primary) 45%, transparent);
}
.am-walkthrough-preview__beat {
  position: absolute;
  top: 34px;
  left: 12px;
  z-index: 4;
  max-width: calc(100% - 80px);
  font: 700 0.88rem/1.15 var(--am-font-page-title);
  letter-spacing: -0.01em;
  color: #fff;
  text-shadow: 0 1px 3px color-mix(in srgb, #000 50%, transparent);
  pointer-events: none;
}
.am-walkthrough-preview--lc .am-walkthrough-preview__beat::after {
  content: "";
  display: block;
  width: 2.1rem;
  height: 3px;
  margin-top: 4px;
  border-radius: 2px;
  background: var(--am-mustard);
}
.am-walkthrough-preview--sw .am-walkthrough-preview__beat::after {
  content: "";
  display: block;
  width: 2.1rem;
  height: 3px;
  margin-top: 4px;
  border-radius: 2px;
  background: var(--am-primary);
}
.am-walkthrough-preview__frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  pointer-events: none;
  background: #f3efe4;
}
.am-walkthrough-preview__shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, transparent 62%, color-mix(in srgb, #1a2830 92%, transparent) 100%);
  pointer-events: none;
}
.am-walkthrough-preview__play {
  position: absolute;
  left: 50%;
  top: 50%;
  right: auto;
  bottom: auto;
  z-index: 3;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(180deg, #2f7ea3 0%, var(--am-primary) 58%, #0c3a50 100%);
  box-shadow:
    0 0 0 4px color-mix(in srgb, #fff 26%, transparent),
    0 1px 0 color-mix(in srgb, #fff 32%, transparent) inset,
    0 8px 20px color-mix(in srgb, #000 32%, transparent);
  pointer-events: none;
}
.am-walkthrough-preview:hover .am-walkthrough-preview__play {
  filter: brightness(1.07);
  transform: translate(-50%, -50%) scale(1.06);
}
.am-walkthrough-preview__badge {
  position: absolute;
  left: auto;
  right: 10px;
  bottom: 14px;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--am-navy) 90%, #000);
  border: 1px solid color-mix(in srgb, #fff 22%, transparent);
  pointer-events: none;
}
.am-walkthrough-preview__badge-time,
.am-walkthrough-preview__badge-tutor {
  font: 600 0.64rem/1.1 var(--am-font-ui);
  letter-spacing: 0.04em;
  color: #fff;
}
.am-walkthrough-preview__badge-tutor {
  opacity: 0.88;
}
.am-walkthrough-preview__meta {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px 13px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--am-soft-teal) 42%, #fff) 0%,
    color-mix(in srgb, var(--am-soft-teal) 24%, #fff) 100%
  );
  border-top: 3px solid var(--am-mustard);
}
.am-walkthrough-preview__meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.am-walkthrough-preview__kicker {
  font: 700 0.66rem/1.1 var(--am-font-ui);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--am-accent) 72%, var(--am-navy));
}
.am-walkthrough-preview__title {
  font: 700 1.02rem/1.3 var(--am-font-page-title);
  letter-spacing: -0.01em;
  color: var(--am-navy);
}
.am-walkthrough-preview__cta-line {
  font: 600 0.78rem/1.2 var(--am-font-ui);
  letter-spacing: 0.02em;
  color: var(--am-primary);
}
.am-walkthrough-preview--sw .am-walkthrough-preview__meta {
  border-top-color: color-mix(in srgb, var(--am-accent) 65%, var(--am-mustard));
}
.am-walkthrough-preview--sw .am-walkthrough-preview__kicker {
  color: var(--am-accent);
}

@media (max-width: 640px) {
  .am-walkthrough-preview-wrap {
    padding: 12px;
  }
  .am-walkthrough-preview,
  .am-walkthrough-preview-wrap .am-walkthrough-preview,
  .am-walkthrough-preview-wrap--in-solution .am-walkthrough-preview {
    width: 100%;
    max-width: 100%;
  }
  .am-explainer-btn {
    width: 100%;
    max-width: 100%;
  }
}

/* Walkthrough modal — LCW default ~95% height; SW ~97% (maximize still wider) */
.am-explainer-modal {
  border: 0;
  padding: 0;
  background: transparent;
  width: 97vw;
  max-width: 97vw;
  height: 95vh;
  height: 95dvh;
  max-height: 95vh;
  max-height: 95dvh;
}
.am-explainer-modal--sw {
  height: 97vh;
  height: 97dvh;
  max-height: 97vh;
  max-height: 97dvh;
}
.am-explainer-modal.is-max {
  width: calc(100vw - 16px);
  max-width: calc(100vw - 16px);
  height: calc(100vh - 16px);
  max-height: calc(100vh - 16px);
}
.am-explainer-modal.is-fullscreen::backdrop {
  background: transparent;
}
.am-explainer-modal::backdrop {
  background: color-mix(in srgb, var(--am-navy) 55%, transparent);
}
.am-explainer-modal__card {
  background: var(--am-canvas);
  border: 1px solid var(--am-border);
  border-radius: var(--am-radius-card, 16px);
  overflow: hidden;
  box-shadow: 0 18px 48px color-mix(in srgb, var(--am-navy) 22%, transparent);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.am-explainer-modal.is-max .am-explainer-modal__card {
  border-radius: 12px;
}
.am-explainer-modal__card:fullscreen,
.am-explainer-modal__card:-webkit-full-screen {
  width: 100vw;
  height: 100vh;
  max-width: none;
  max-height: none;
  border-radius: 0;
  border: 0;
  box-shadow: none;
  background: var(--am-canvas);
}
.am-explainer-modal__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 14px 8px 16px;
  background: #efece1;
  color: #1c2a32;
  border-bottom: 1px solid color-mix(in srgb, var(--am-navy) 8%, transparent);
  flex-shrink: 0;
}
.am-explainer-modal--sw .am-explainer-modal__bar {
  background: color-mix(in srgb, #efece1 88%, #2a9a94 12%);
}
.am-explainer-modal__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.am-explainer-modal__sep {
  flex: none;
  width: 2px;
  height: 18px;
  margin: 0 4px;
  border-radius: 1px;
  background: #2a9a94;
  opacity: 0.9;
}
.am-explainer-modal__logo {
  width: 22px;
  height: 22px;
  flex: none;
}
.am-explainer-modal__kind {
  font: 600 0.72rem/1 var(--am-font-ui);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #c49a2a;
  white-space: nowrap;
}
.am-explainer-modal__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.am-explainer-modal__icon,
.am-explainer-modal__close {
  border: 0;
  background: transparent;
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
}
.am-explainer-modal__icon {
  width: 28px;
  height: 28px;
  color: var(--am-primary);
  border: 1.5px solid var(--am-primary);
  border-radius: 6px;
}
.am-explainer-modal__close {
  width: 28px;
  height: 28px;
  color: #1c2a32;
  font: 400 1.35rem/1 system-ui;
  border-radius: 6px;
}
.am-explainer-modal__icon:hover {
  background: color-mix(in srgb, var(--am-primary) 10%, transparent);
}
.am-explainer-modal__close:hover {
  background: color-mix(in srgb, #1c2a32 8%, transparent);
}
.am-explainer-modal__frame {
  border: 0;
  width: 100%;
  flex: 1;
  min-height: 0;
  background: #f4f1ea;
}

/* —— The Hinge (coach debrief) —— */
.am-hinge {
  margin-top: 16px;
  padding: 18px 20px 20px;
  background: color-mix(in srgb, var(--am-soft-teal) 55%, var(--am-canvas));
  border: 1px solid color-mix(in srgb, var(--am-navy) 8%, transparent);
  border-radius: var(--am-radius-lg, 14px);
}

.am-hinge__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.am-hinge__title {
  margin: 0;
  font: 700 1.125rem/1.2 var(--am-font-ui);
  letter-spacing: 0.02em;
  color: var(--am-navy);
}

.am-hinge__lead {
  margin: 0;
  font: 400 0.9375rem/1.55 var(--am-font-body);
  color: var(--am-ink);
  white-space: pre-wrap;
}

.am-hinge__section {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid color-mix(in srgb, var(--am-navy) 10%, transparent);
}

.am-hinge__section-label {
  margin: 0 0 8px;
  font: 700 0.6875rem/1.2 var(--am-font-ui);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--am-navy) 72%, #1a5c45);
}

.am-hinge__body {
  margin: 0;
  font: 400 0.875rem/1.5 var(--am-font-body);
  color: var(--am-ink);
  white-space: pre-wrap;
}

.am-hinge__map {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.am-hinge__map-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
  padding: 8px 10px;
  background: color-mix(in srgb, var(--am-canvas) 88%, transparent);
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--am-navy) 6%, transparent);
}

.am-hinge__map-num {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  margin-top: 1px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--am-navy) 12%, var(--am-soft-teal));
  color: var(--am-navy);
  font: 700 0.75rem/1 var(--am-font-ui);
}

.am-hinge__map-text {
  flex: 1;
  min-width: 0;
  font: 400 0.875rem/1.4 var(--am-font-body);
  color: var(--am-ink);
  white-space: normal;
}

.am-hinge__map-text .katex-display {
  margin: 0.2em 0;
  padding-left: 0;
}

.am-hinge__check {
  margin-top: 8px;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--am-canvas) 90%, transparent);
  border-radius: 10px;
  border: 1px dashed color-mix(in srgb, var(--am-navy) 14%, transparent);
}

.am-hinge__check-q {
  margin: 0 0 6px;
  font: 400 0.875rem/1.5 var(--am-font-body);
  color: var(--am-ink);
  white-space: pre-wrap;
}

.am-hinge__trap {
  margin: 0;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--am-accent) 8%, var(--am-canvas));
  border-left: 3px solid color-mix(in srgb, var(--am-accent) 70%, transparent);
  border-radius: 0 10px 10px 0;
  font: 400 0.875rem/1.5 var(--am-font-body);
  color: var(--am-ink);
  white-space: pre-wrap;
}

.am-hinge__quick {
  margin: 0;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--am-mustard, #e5b93f) 16%, var(--am-canvas));
  border-radius: 10px;
  font: 500 0.875rem/1.5 var(--am-font-body);
  color: var(--am-ink);
  white-space: pre-wrap;
}

.am-hinge .am-lc__reveal summary {
  cursor: pointer;
  font: 600 0.8125rem/1.3 var(--am-font-ui);
  color: var(--am-navy);
}

.am-hinge .am-lc__reveal-body {
  margin-top: 6px;
  font: 400 0.875rem/1.5 var(--am-font-body);
}
 display: inline-grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  margin-top: 1px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--am-navy) 12%, var(--am-soft-teal));
  color: var(--am-navy);
  font: 700 0.75rem/1 var(--am-font-ui);
}

.am-hinge__map-text {
  flex: 1;
  min-width: 0;
  font: 400 0.875rem/1.4 var(--am-font-body);
  color: var(--am-ink);
  white-space: normal;
}

.am-hinge__map-text .katex-display {
  margin: 0.2em 0;
  padding-left: 0;
}

.am-hinge__check {
  margin-top: 8px;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--am-canvas) 90%, transparent);
  border-radius: 10px;
  border: 1px dashed color-mix(in srgb, var(--am-navy) 14%, transparent);
}

.am-hinge__check-q {
  margin: 0 0 6px;
  font: 400 0.875rem/1.5 var(--am-font-body);
  color: var(--am-ink);
  white-space: pre-wrap;
}

.am-hinge__trap {
  margin: 0;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--am-accent) 8%, var(--am-canvas));
  border-left: 3px solid color-mix(in srgb, var(--am-accent) 70%, transparent);
  border-radius: 0 10px 10px 0;
  font: 400 0.875rem/1.5 var(--am-font-body);
  color: var(--am-ink);
  white-space: pre-wrap;
}

.am-hinge__quick {
  margin: 0;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--am-mustard, #e5b93f) 16%, var(--am-canvas));
  border-radius: 10px;
  font: 500 0.875rem/1.5 var(--am-font-body);
  color: var(--am-ink);
  white-space: pre-wrap;
}

.am-hinge .am-lc__reveal summary {
  cursor: pointer;
  font: 600 0.8125rem/1.3 var(--am-font-ui);
  color: var(--am-navy);
}

.am-hinge .am-lc__reveal-body {
  margin-top: 6px;
  font: 400 0.875rem/1.5 var(--am-font-body);
}

/* UI v1 — home teal theme on TP / site default (?v=0 for legacy cream). */
body.am-ui-v1 {
  --door-bg: #f5f5f7;
  --door-ink: #1c2128;
  --door-muted: #5a6270;
  --door-soft: #8b93a0;
  --door-blue: #1f6f78;
  --door-blue-deep: #145059;
  --door-blue-soft: #e7f3f4;
  --door-clay: #b85c38;
  --door-clay-soft: #f6ebe6;
  --door-warn: #e05a2b;
  --door-warn-deep: #c24820;
  --door-warn-soft: #fff1e8;
  --door-btn: #1f6f78;
  --door-btn-deep: #145059;
  --door-card: #ffffff;
  --door-line: rgba(28, 33, 40, 0.09);
  --door-grid: rgba(31, 111, 120, 0.07);
  --am-tp-banner: #1f6f78;
  --am-nav-bg: var(--door-bg);
  --am-page: var(--door-bg);
  --am-surface: var(--door-card);
  --am-lc-paper: #ffffff;
  --am-primary: var(--door-blue);
  --am-soft-teal: var(--door-blue-soft);
  --am-navy: var(--door-ink);
  --am-border: color-mix(in srgb, var(--door-ink) 12%, #fff);
  --am-border-soft: color-mix(in srgb, var(--door-ink) 8%, #fff);
  --am-wash: #fafafa;
  --am-neutral: #eef0f2;
  --am-font-page-title: "Fraunces", "Roboto Slab", Georgia, serif;
  --am-font-display: "Fraunces", "Roboto Slab", Georgia, serif;
  --am-font-ui: "Source Sans 3", "Hanken Grotesk", system-ui, sans-serif;
  --am-font-body: "Source Sans 3", "Hanken Grotesk", system-ui, sans-serif;
  background-color: var(--door-bg);
  /* Soft graph paper: fades through most of the upper viewport; quieter below. */
  background-image:
    linear-gradient(
      to bottom,
      var(--door-bg) 0%,
      color-mix(in srgb, var(--door-bg) 92%, transparent) 10%,
      color-mix(in srgb, var(--door-bg) 55%, transparent) 32%,
      color-mix(in srgb, var(--door-bg) 22%, transparent) 52%,
      transparent 68%
    ),
    linear-gradient(var(--door-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--door-grid) 1px, transparent 1px);
  background-size:
    auto,
    24px 24px,
    24px 24px;
  background-position: center, 0 0, 0 0;
  background-attachment: fixed, fixed, fixed;
  color: var(--door-ink);
  font-family: var(--am-font-body);
  --am-math-exponent: #1f6f78;
}

body.am-ui-v1 .am-nav-wrap {
  background: var(--door-bg);
}

/* Door landing (also keeps am-door-v1 alias). */
body.am-ui-v1.am-door-body .am-door__kicker,
body.am-ui-v1.am-door-body .am-dash-kicker {
  color: var(--door-blue);
}

body.am-ui-v1.am-door-body .am-door__title,
body.am-ui-v1.am-door-body .am-door__offer-title,
body.am-ui-v1.am-door-body .am-door__lead strong {
  color: var(--door-ink);
}

body.am-ui-v1.am-door-body .am-door__lead,
body.am-ui-v1.am-door-body .am-door__honest,
body.am-ui-v1.am-door-body .am-door__offer-sub {
  color: var(--door-muted);
}

body.am-ui-v1.am-door-body .am-door__contrast {
  border-left-color: var(--door-blue);
  background: var(--door-blue-soft);
  color: var(--door-ink);
}

body.am-ui-v1.am-door-body .am-door__steps li,
body.am-ui-v1.am-door-body .am-door__offer {
  background: var(--door-card);
  border-color: var(--door-line);
  box-shadow: 0 1px 2px rgba(17, 24, 39, 0.04), 0 8px 24px rgba(17, 24, 39, 0.04);
}

body.am-ui-v1.am-door-body .am-door__step-n {
  color: #fff;
  background: var(--door-blue);
}

body.am-ui-v1.am-door-body .am-door__step-t {
  color: var(--door-ink);
}

body.am-ui-v1.am-door-body .am-door__facts {
  color: var(--door-ink);
}

body.am-ui-v1.am-door-body .am-door__btn.am-prob__btn--next {
  /* Match marketing primary CTA (home clay) — not door-blue. */
  background: #b85c38;
  background-image: none;
  border-color: #9a4c2e;
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 8px 22px color-mix(in srgb, #b85c38 28%, transparent);
}

body.am-ui-v1.am-door-body .am-door__btn.am-prob__btn--next:hover {
  background: color-mix(in srgb, #b85c38 82%, #5a2e18);
  border-color: #9a4c2e;
  color: #fff;
  filter: none;
}

body.am-ui-v1.am-door-body .am-door__secondary a {
  color: var(--door-blue);
}

body.am-ui-v1.am-door-body .am-door__proof {
  background: linear-gradient(160deg, #0d3d44 0%, #145059 55%, #1f6f78 100%);
  box-shadow: 0 12px 32px color-mix(in srgb, var(--door-blue) 28%, transparent);
}

body.am-ui-v1.am-door-body .am-door__proof .am-dash-kicker {
  color: #b7e4c7;
}

body.am-ui-v1.am-door-body .am-door__proof-card {
  background: #fff;
}

body.am-ui-v1.am-door-body .am-door__proof-q-label {
  color: var(--door-blue);
}

body.am-ui-v1.am-door-body .am-door__proof-q {
  color: var(--door-ink);
}

body.am-ui-v1.am-door-body .am-door__proof-details summary {
  color: #fff;
  background: var(--door-blue);
  border-color: transparent;
}

body.am-ui-v1.am-door-body .am-door__proof-details summary:hover {
  background: var(--door-blue-deep);
}

/* Topic Path under UI v1 */
body.am-ui-v1 .am-tp-sticky {
  background: color-mix(in srgb, var(--door-bg) 88%, transparent);
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 18px -16px rgba(17, 24, 39, 0.14);
}

body.am-ui-v1.am-tp-cp-bg {
  background-color: var(--door-bg);
  /* Keep the same fading grid as default v1 (don't replace with solid teal wash). */
  background-image:
    linear-gradient(
      to bottom,
      var(--door-bg) 0%,
      color-mix(in srgb, var(--door-bg) 92%, transparent) 10%,
      color-mix(in srgb, var(--door-bg) 55%, transparent) 32%,
      color-mix(in srgb, var(--door-bg) 22%, transparent) 52%,
      transparent 68%
    ),
    linear-gradient(var(--door-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--door-grid) 1px, transparent 1px);
  background-size:
    auto,
    24px 24px,
    24px 24px;
  background-position: center, 0 0, 0 0;
  background-attachment: fixed, fixed, fixed;
}

body.am-ui-v1.am-tp-cp-bg .am-tp-sticky {
  background: color-mix(in srgb, var(--door-bg) 88%, transparent);
}

/* Teach page: same grid page as CP (no yellow wash) — framing comes from relax banner. */
body.am-ui-v1.am-tp-teach-bg {
  background-color: var(--door-bg);
  background-image:
    linear-gradient(
      to bottom,
      var(--door-bg) 0%,
      color-mix(in srgb, var(--door-bg) 92%, transparent) 10%,
      color-mix(in srgb, var(--door-bg) 55%, transparent) 32%,
      color-mix(in srgb, var(--door-bg) 22%, transparent) 52%,
      transparent 68%
    ),
    linear-gradient(var(--door-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--door-grid) 1px, transparent 1px);
  background-size:
    auto,
    24px 24px,
    24px 24px;
  background-position: center, 0 0, 0 0;
  background-attachment: fixed, fixed, fixed;
}

body.am-ui-v1.am-tp-teach-bg .am-tp-sticky {
  background: color-mix(in srgb, var(--door-bg) 88%, transparent);
}

body.am-ui-v1.am-tp-first-open {
  --am-lc-paper: var(--door-bg);
}

body.am-ui-v1.am-tp-first-open .am-tp-sticky--first-open,
body.am-ui-v1 .am-tp-topic-intro,
body.am-ui-v1 .am-tp-intro {
  background: transparent;
  background-color: transparent;
}

/* Kill every outer shell treatment (incl. CP/challenge washes + ruled paper). */
body.am-ui-v1 .am-card-shell,
body.am-ui-v1 .am-card-shell--cp,
body.am-ui-v1 .am-card-shell--teach,
body.am-ui-v1 .am-card-shell--challenge,
body.am-ui-v1 .am-learning-page .am-card-shell,
body.am-ui-v1 .am-problem-page .am-card-shell {
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  padding: 0.35rem 0 1.75rem;
  overflow: visible;
}

body.am-ui-v1 .am-card-shell__ambient,
body.am-ui-v1 .am-card-decor {
  display: none !important;
}

body.am-ui-v1 .am-prob__question {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 0.15rem 0 1rem;
  max-width: 42rem;
}

body.am-ui-v1 .am-prob__option {
  background: #fafafa;
  border: 1.5px solid var(--door-line);
  border-radius: 14px;
  box-shadow: none;
  padding: 0.72rem 0.9rem;
}

body.am-ui-v1 .am-prob__option:hover {
  background: #fff;
  border-color: color-mix(in srgb, var(--door-blue) 35%, var(--door-line));
}

body.am-ui-v1 .am-prob__letter {
  background: color-mix(in srgb, var(--door-ink) 8%, #fff);
  color: var(--door-muted);
  border: 0;
}

body.am-ui-v1 .am-tp-status-banner {
  --am-tp-banner: var(--door-blue);
  background: var(--door-blue-soft);
  border: 1px solid color-mix(in srgb, var(--door-blue) 22%, transparent);
  border-left: 3px solid var(--door-blue);
  border-radius: 10px;
  box-shadow: none;
  padding: 0.4rem 0.75rem;
  color: var(--door-blue-deep);
  font: 600 0.82rem/1.3 var(--am-font-body);
  margin-bottom: 10px;
}

body.am-ui-v1 .am-tp-status-banner::before {
  display: none;
}

body.am-ui-v1 .am-tp-status-banner--miss {
  --am-tp-banner: var(--door-warn);
  background: var(--door-warn-soft);
  border: 1px solid color-mix(in srgb, var(--door-warn) 28%, transparent);
  border-left: 4px solid var(--door-warn);
  color: var(--door-warn-deep);
}

body.am-ui-v1 .am-tp-quiet-toast--miss {
  --am-quiet: var(--door-warn);
  background: var(--door-warn-soft);
  border-color: color-mix(in srgb, var(--door-warn) 28%, transparent);
  border-left-color: var(--door-warn);
  color: var(--door-warn-deep);
}

body.am-ui-v1 .am-tp-quiet-toast--miss .am-tp-quiet-toast__body {
  color: color-mix(in srgb, var(--door-warn-deep) 72%, var(--door-ink));
}

body.am-ui-v1 .am-tp-quiet-toast--miss .am-tp-quiet-toast__body p:first-child {
  color: var(--door-warn-deep);
}

body.am-ui-v1 .am-tp-purpose {
  font: 700 0.68rem/1 var(--am-font-body);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--door-blue-deep);
  background: var(--door-blue-soft);
  border: 1px solid color-mix(in srgb, var(--door-blue) 22%, transparent);
  border-radius: 999px;
  padding: 0.38rem 0.7rem;
}

body.am-ui-v1 .am-tp-chrome__topic {
  font: 700 clamp(1.35rem, 2.4vw, 1.65rem) / 1.2 var(--am-font-page-title);
  letter-spacing: -0.02em;
  color: var(--door-ink);
}

body.am-ui-v1 .am-tp-ideas__label {
  font: 700 0.68rem/1 var(--am-font-body);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--door-soft);
}

body.am-ui-v1 .am-tp-chip.is-current {
  color: var(--door-blue-deep);
  background: var(--door-blue-soft);
  border-color: color-mix(in srgb, var(--door-blue) 22%, transparent);
}

body.am-ui-v1 .am-tp-toward__label {
  color: var(--door-blue);
  font-weight: 700;
}

body.am-ui-v1 .am-tp-toward--check {
  background: color-mix(in srgb, var(--am-soft-yellow) 42%, #fff);
  border-color: color-mix(in srgb, var(--am-mustard) 28%, var(--door-line));
}

body.am-ui-v1 .am-tp-toward--check .am-tp-toward__label {
  color: color-mix(in srgb, var(--am-mustard) 78%, #8a6a18);
}

body.am-ui-v1 .am-tp-toward--check .am-tp-toward__cta {
  background: color-mix(in srgb, var(--am-soft-yellow) 55%, #fff);
  color: color-mix(in srgb, var(--am-mustard) 72%, #6b4e10);
  border-color: color-mix(in srgb, var(--am-mustard) 28%, var(--door-line));
}

body.am-ui-v1 .am-tp-toward--check:hover .am-tp-toward__cta,
body.am-ui-v1 .am-tp-toward--check:focus-visible .am-tp-toward__cta {
  background: color-mix(in srgb, var(--am-soft-yellow) 70%, #fff);
  color: color-mix(in srgb, var(--am-mustard) 78%, #8a6a18);
}

body.am-ui-v1 .am-tp-toward__cta,
body.am-ui-v1 .am-tp-toward--plan .am-tp-toward__cta {
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  background: var(--door-blue-soft);
  color: var(--door-blue-deep);
  border: 1px solid color-mix(in srgb, var(--door-blue) 22%, transparent);
  box-shadow: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.68rem;
  font-weight: 700;
}

body.am-ui-v1 .am-tp-toward--check .am-tp-toward__cta {
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  box-shadow: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.68rem;
  font-weight: 700;
}

body.am-ui-v1 .am-tp-toward:hover .am-tp-toward__cta,
body.am-ui-v1 .am-tp-toward:focus-visible .am-tp-toward__cta,
body.am-ui-v1 .am-tp-toward--plan:hover .am-tp-toward__cta,
body.am-ui-v1 .am-tp-toward--plan:focus-visible .am-tp-toward__cta {
  background: color-mix(in srgb, var(--door-blue-soft) 70%, #fff);
  color: var(--door-blue-deep);
}

body.am-ui-v1 .am-tp-toward--plan {
  align-self: center;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

body.am-ui-v1 .am-tp-toward--plan:hover,
body.am-ui-v1 .am-tp-toward--plan:focus-visible {
  background: transparent;
  border: 0;
  box-shadow: none;
}

/* Default CTA = home clay (differentiates from teal chrome); secondary = clay soft. */
body.am-ui-v1 .am-prob__btn--next {
  color: #fff;
  background: var(--door-clay);
  background-image: none;
  border: 1px solid color-mix(in srgb, var(--door-clay) 78%, #000);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--door-clay) 28%, transparent);
}

body.am-ui-v1 .am-prob__btn--next:hover {
  color: #fff;
  background: color-mix(in srgb, var(--door-clay) 88%, #000);
  background-image: none;
  border-color: color-mix(in srgb, var(--door-clay) 70%, #000);
  filter: none;
  transform: translateY(-1px);
}

body.am-ui-v1 .am-prob__btn--skip {
  color: var(--door-ink);
  background: var(--door-clay-soft);
  border: 1px solid color-mix(in srgb, var(--door-clay) 32%, transparent);
  box-shadow: none;
}

body.am-ui-v1 .am-prob__btn--skip:hover {
  color: var(--door-ink);
  background: color-mix(in srgb, var(--door-clay-soft) 82%, var(--door-clay));
  filter: none;
}

body.am-ui-v1 .am-lc__try-btn--submit {
  border-color: color-mix(in srgb, var(--door-clay) 78%, #000);
  background: var(--door-clay);
  background-image: none;
  color: #fff;
  box-shadow: 0 8px 22px color-mix(in srgb, var(--door-clay) 28%, transparent);
}

body.am-ui-v1 .am-lc__try-btn--submit:hover:not(:disabled) {
  background: color-mix(in srgb, var(--door-clay) 88%, #000);
  background-image: none;
  filter: none;
}

body.am-ui-v1 .am-lc__try-btn--skip {
  border-color: color-mix(in srgb, var(--door-clay) 32%, transparent);
  background: var(--door-clay-soft);
  color: var(--door-ink);
  box-shadow: none;
}

body.am-ui-v1 .am-lc__try-btn--skip:hover:not(:disabled) {
  background: color-mix(in srgb, var(--door-clay-soft) 82%, var(--door-clay));
}

body.am-ui-v1 .am-pkg-card__btn {
  background: var(--door-blue);
  background-image: none;
  border-color: var(--door-blue-deep);
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 8px 22px color-mix(in srgb, var(--door-blue) 28%, transparent);
}

body.am-ui-v1 .am-pkg-card__btn:hover,
body.am-ui-v1 .am-pkg-card__btn.is-rec {
  background: var(--door-blue-deep);
  border-color: var(--door-blue-deep);
  color: #fff;
}

body.am-ui-v1 .am-tp-toward {
  border-color: var(--door-line);
  background: var(--door-card);
  border-radius: 14px;
}

body.am-ui-v1 .am-tp-toward__fill {
  background: var(--door-blue);
}

body.am-ui-v1 .am-tp-toward--check .am-tp-toward__fill {
  background: linear-gradient(90deg, #d4b45c, #a8862e);
}

body.am-ui-v1 .am-tp-teach-continue-hint {
  color: var(--door-muted);
  font: 500 0.78rem/1.35 var(--am-font-body);
}

body.am-ui-v1 .am-prob__question-label,
body.am-ui-v1 .am-prob__question-label-text {
  color: var(--door-soft);
  font: 700 0.7rem/1 var(--am-font-body);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

body.am-ui-v1 .am-prob__question-label--example {
  color: var(--door-blue-deep);
}
body.am-ui-v1 .am-prob__question-label--example .am-prob__question-label-text {
  color: var(--door-blue-deep);
  opacity: 1;
}
body.am-ui-v1 .am-prob__example-note {
  font: 600 0.72rem/1.25 var(--am-font-body);
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--door-blue-deep);
  background: var(--door-blue-soft);
  border: 1px solid color-mix(in srgb, var(--door-blue) 18%, transparent);
}

body.am-ui-v1 .am-tp-teach-relax {
  margin: 0 0 1.25rem;
  padding: 0 0 0.9rem;
  max-width: 42rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--am-mustard) 32%, var(--door-line));
  border-radius: 0;
  box-shadow: none;
}
body.am-ui-v1 .am-tp-teach-relax__title {
  font: 700 1.15rem/1.25 var(--am-font-page-title);
  letter-spacing: -0.02em;
  color: color-mix(in srgb, #4a3a12 55%, var(--door-ink));
  margin: 0 0 0.3rem;
}
body.am-ui-v1 .am-tp-teach-relax__sub {
  font: 500 0.9rem/1.45 var(--am-font-body);
  color: var(--door-muted);
  margin: 0;
}

body.am-ui-v1 .am-tp-teach-answer {
  background: transparent;
  border: 0;
  border-radius: 0;
  max-width: 42rem;
  padding: 0;
}
body.am-ui-v1 .am-tp-teach-answer__kicker {
  color: var(--door-muted);
  font: 700 0.68rem/1 var(--am-font-ui);
  letter-spacing: 0.1em;
}
body.am-ui-v1 .am-tp-teach-answer__value {
  color: var(--door-ink);
  font: 600 1.05rem/1.5 var(--am-font-body);
}

body.am-ui-v1 .am-tp-teach-others > summary {
  color: var(--door-muted);
  font: 600 0.85rem/1.35 var(--am-font-body);
}
body.am-ui-v1 .am-prob__options--teach-ref .am-prob__option {
  background: transparent;
  border-color: var(--door-line);
}

body.am-ui-v1 .am-lc__title,
body.am-ui-v1 .am-page-title,
body.am-ui-v1 .am-door__title,
body.am-ui-v1 .am-door__offer-title,
body.am-ui-v1 .am-door__report-title,
body.am-ui-v1 .am-tp-topic-intro__title,
body.am-ui-v1 .am-tp-intro__title,
body.am-ui-v1 .am-pkg__title {
  color: var(--door-ink);
  font-family: var(--am-font-page-title);
}

/* Topic intro + TP intro — home typography / kickers. */
body.am-ui-v1 .am-tp-topic-intro__eyebrow,
body.am-ui-v1 .am-tp-intro__eyebrow {
  font: 700 0.68rem/1 var(--am-font-body);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--door-blue);
}

body.am-ui-v1 .am-tp-topic-intro__title {
  font: 700 clamp(1.65rem, 3.2vw, 2.15rem) / 1.15 var(--am-font-page-title);
  letter-spacing: -0.03em;
  color: var(--door-ink);
}

body.am-ui-v1 .am-tp-intro__title {
  font: 700 clamp(1.55rem, 2.8vw, 2rem) / 1.18 var(--am-font-page-title);
  letter-spacing: -0.03em;
  color: var(--door-ink);
}

body.am-ui-v1 .am-tp-topic-intro__body p,
body.am-ui-v1 .am-tp-intro__lead,
body.am-ui-v1 .am-tp-flow__aside {
  color: var(--door-muted);
  font-family: var(--am-font-body);
}

body.am-ui-v1 .am-tp-topic-intro__promise {
  color: var(--door-ink);
  font-weight: 700;
}

body.am-ui-v1 .am-tp-card {
  font-family: var(--am-font-body);
}

body.am-ui-v1 .am-tp-card__head--on-dark {
  color: #fff;
}

body.am-ui-v1 .am-tp-card__hint {
  color: var(--door-ink);
}

body.am-ui-v1 .am-prob__option:has(input[type="radio"]:checked),
body.am-ui-v1 .am-prob__option.is-selected {
  border-color: color-mix(in srgb, var(--door-blue) 35%, var(--door-line));
  background: #fff;
}

body.am-ui-v1 .am-prob__elim[aria-pressed="true"] {
  border-color: color-mix(in srgb, var(--door-blue) 40%, var(--am-border));
  color: var(--door-blue);
  background: color-mix(in srgb, var(--door-blue) 12%, transparent);
}

body.am-ui-v1 .am-prob__elim[aria-pressed="true"]:hover {
  background: color-mix(in srgb, var(--door-blue) 18%, transparent);
  border-color: color-mix(in srgb, var(--door-blue) 48%, var(--am-border));
}

/* Quiet coach hint — soft mustard wash, not a loud gold brick. */
body.am-ui-v1 .am-prob__hint-inline {
  background: color-mix(in srgb, var(--am-soft-yellow) 72%, #fff);
  border: 1px solid color-mix(in srgb, var(--am-mustard) 22%, var(--door-line));
  border-left: 3px solid color-mix(in srgb, var(--am-mustard) 72%, #a88420);
  box-shadow: none;
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  color: var(--door-ink);
}

body.am-ui-v1 .am-prob__hint-label {
  background: color-mix(in srgb, var(--am-mustard) 78%, #8a6a18);
  box-shadow: none;
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
}

body.am-ui-v1 .am-prob__hint-inline strong {
  color: color-mix(in srgb, #6b4e10 55%, var(--door-ink));
}

body.am-ui-v1 .am-prob__first-try-tag {
  background: color-mix(in srgb, var(--am-soft-yellow) 50%, #fff);
  border-color: color-mix(in srgb, var(--am-mustard) 22%, var(--door-line));
  color: color-mix(in srgb, #6b4e10 55%, var(--door-ink));
}

/* Pattern card — same soft mustard wash as hint bar (stronger than old cream). */
body.am-ui-v1 .am-lc__pattern-visual {
  background: color-mix(in srgb, var(--am-soft-yellow) 72%, #fff);
  border: 1px solid color-mix(in srgb, var(--am-mustard) 28%, var(--door-line));
  box-shadow: none;
}

body.am-ui-v1 .am-tp-progress__row.is-current,
body.am-ui-v1 .am-tp-progress__row.is-ready {
  border-color: color-mix(in srgb, var(--door-blue) 28%, var(--door-line));
}

body.am-ui-v1 .am-tp-progress__row.is-current .am-tp-progress__dot,
body.am-ui-v1 .am-tp-progress__row.is-ready .am-tp-progress__dot {
  background: var(--door-blue);
}

/* Match View plan modal card (#e7e7e7). */
body.am-ui-v1 .am-tp-popup__card,
body.am-ui-v1 .am-tp-popup__card--path {
  background: #e7e7e7;
  border: 1px solid color-mix(in srgb, var(--door-ink) 10%, transparent);
  border-left: 3px solid color-mix(in srgb, var(--door-blue) 45%, var(--door-line));
}

/* medium_teach — open coach beats (no nested cream cards). */
body.am-ui-v1 .am-panel-solution {
  position: relative;
  background: color-mix(in srgb, #dceef0 72%, #fff);
  border: 1px solid color-mix(in srgb, #1a6870 16%, transparent);
  border-radius: 18px;
  box-shadow: 0 8px 24px color-mix(in srgb, #1a6870 8%, transparent);
  padding: 1.25rem 1.2rem 1.1rem;
  gap: 1.15rem;
  max-width: 42rem;
  color: #172027;
}

body.am-ui-v1 .am-panel-solution__label {
  font: 700 1.35rem / 1.15 var(--am-font-display, "Fraunces", "Roboto Slab", Georgia, serif);
  letter-spacing: 0;
  text-transform: none;
  color: #172027;
}

body.am-ui-v1 .am-panel-solution__body {
  font: 400 0.95rem/1.7 var(--am-font-body);
  color: var(--door-ink);
}

body.am-ui-v1 /* One-glance teach cheatsheet (experiment: NT-PF/17). */
.am-teach-cheat {
  margin: 0 0 1.1rem;
  padding: 0.75rem 0.85rem 0.85rem;
  border: 1px solid color-mix(in srgb, var(--am-navy) 14%, var(--am-border));
  border-radius: var(--am-radius-md, 10px);
  background: color-mix(in srgb, var(--am-soft-teal) 55%, #fff);
}
.am-teach-cheat__cap {
  margin: 0 0 0.55rem;
  font: 650 0.68rem/1.2 var(--am-font-ui, system-ui);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--am-navy) 72%, #64748b);
}
.am-teach-cheat__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.45rem 0.35rem;
}
.am-teach-cheat__rail--process {
  align-items: center;
}
.am-teach-cheat__step {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 0.4rem;
  row-gap: 0.05rem;
  min-width: 5.6rem;
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  background: color-mix(in srgb, #fff 82%, var(--am-soft-teal));
  border: 1px solid color-mix(in srgb, var(--am-navy) 10%, transparent);
}
.am-teach-cheat__step--end {
  border-color: color-mix(in srgb, var(--am-navy) 22%, transparent);
  background: color-mix(in srgb, #fff 88%, var(--am-navy));
}
.am-teach-cheat__n {
  grid-row: 1 / span 2;
  align-self: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: 700 0.68rem/1 var(--am-font-ui, system-ui);
  color: #fff;
  background: var(--am-navy);
}
.am-teach-cheat__verb {
  font: 700 0.9rem/1.15 var(--am-font-body);
  color: var(--am-ink);
}
.am-teach-cheat__hint {
  font: 500 0.72rem/1.2 var(--am-font-ui, system-ui);
  color: color-mix(in srgb, var(--am-navy) 62%, #64748b);
}
.am-teach-cheat__col {
  display: grid;
  gap: 0.28rem;
  min-width: 4.6rem;
  padding: 0.4rem 0.5rem;
  border-radius: 8px;
  background: color-mix(in srgb, #fff 82%, var(--am-soft-teal));
  border: 1px solid color-mix(in srgb, var(--am-navy) 10%, transparent);
}
.am-teach-cheat__box {
  font: 700 0.72rem/1 var(--am-font-ui, system-ui);
  color: var(--am-navy);
  letter-spacing: 0.04em;
}
.am-teach-cheat__ok,
.am-teach-cheat__out {
  display: flex;
  align-items: baseline;
  gap: 0.28rem;
  font: 600 0.88rem/1.25 var(--am-font-body);
  white-space: nowrap;
}
.am-teach-cheat__ok {
  color: var(--am-ink);
}
.am-teach-cheat__out {
  color: color-mix(in srgb, var(--am-ink) 45%, #94a3b8);
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
}
.am-teach-cheat__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.05rem;
  height: 1.05rem;
  padding: 0 0.2rem;
  border-radius: 999px;
  font: 700 0.62rem/1 var(--am-font-ui, system-ui);
  letter-spacing: 0;
  text-decoration: none;
  color: #fff;
  background: var(--am-accent);
}
.am-teach-cheat__math {
  font-weight: 500;
  color: var(--am-primary);
}
.am-teach-cheat__math--lg {
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--am-navy);
}
.am-teach-cheat__arrow {
  align-self: center;
  padding: 0 0.1rem;
  font: 650 1rem/1 var(--am-font-ui, system-ui);
  color: color-mix(in srgb, var(--am-navy) 45%, #94a3b8);
}
.am-teach-cheat__arrow--strong {
  color: var(--am-navy);
}
.am-teach-cheat__result {
  display: grid;
  align-content: center;
  gap: 0.28rem;
  min-width: 7.5rem;
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--am-navy) 22%, transparent);
  background: color-mix(in srgb, #fff 88%, var(--am-navy));
}
.am-teach-cheat__rule {
  font: 650 0.68rem/1.2 var(--am-font-ui, system-ui);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--am-navy) 70%, #64748b);
}
@media (max-width: 640px) {
  .am-teach-cheat__rail {
    gap: 0.4rem;
  }
  .am-teach-cheat__arrow {
    display: none;
  }
  .am-teach-cheat__result {
    flex: 1 1 100%;
  }
  .am-teach-cheat__step {
    flex: 1 1 calc(50% - 0.4rem);
  }
}

/* teach-sol: keep workbook beats under door tokens (do not flatten to hairlines). */
body.am-ui-v1 .am-teach-sol {
  gap: 1.2rem;
}

body.am-ui-v1 .am-teach-sol__label {
  color: var(--door-muted);
}

body.am-ui-v1 .am-teach-sol__body,
body.am-ui-v1 .am-teach-sol__step {
  color: var(--door-ink);
}

body.am-ui-v1 .am-teach-sol__block--watch {
  border-bottom-color: color-mix(in srgb, var(--door-blue) 16%, transparent);
}

body.am-ui-v1 .am-teach-sol__block--watch .am-teach-sol__label {
  color: var(--door-blue-deep);
}

body.am-ui-v1 .am-teach-sol__block--watch .am-teach-sol__body {
  color: color-mix(in srgb, var(--door-ink) 78%, var(--door-muted));
}

body.am-ui-v1 .am-teach-sol__coach {
  background:
    linear-gradient(
      165deg,
      color-mix(in srgb, var(--door-blue-soft) 88%, #fff) 0%,
      #fff 100%
    );
  border-color: color-mix(in srgb, var(--door-blue) 18%, var(--door-line));
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 80%, transparent) inset,
    4px 7px 0 color-mix(in srgb, var(--door-blue) 10%, transparent);
}

body.am-ui-v1 .am-teach-sol__coach-rail {
  background: linear-gradient(180deg, var(--door-blue-deep) 0%, var(--door-blue) 100%);
  color: #fff;
}

body.am-ui-v1 .am-teach-sol__block--key {
  border-bottom: 0;
}

body.am-ui-v1 .am-teach-sol__block--key .am-teach-sol__body {
  color: var(--door-ink);
}

body.am-ui-v1 .am-teach-sol__because {
  color: color-mix(in srgb, var(--door-ink) 72%, var(--door-muted));
}

body.am-ui-v1 .am-teach-sol__because-lead {
  color: var(--door-blue-deep);
}

body.am-ui-v1 .am-teach-sol__block--steps .am-teach-sol__label {
  color: var(--door-ink);
}

body.am-ui-v1 .am-teach-sol__steps {
  background: color-mix(in srgb, #fff 92%, var(--door-blue-soft));
  border-color: color-mix(in srgb, var(--door-blue) 14%, var(--door-line));
}

body.am-ui-v1 .am-teach-sol__step {
  background: transparent;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--door-blue) 10%, transparent);
}

body.am-ui-v1 .am-teach-sol__step:last-child {
  border-bottom: 0;
}

body.am-ui-v1 .am-teach-sol__step::before {
  background: linear-gradient(165deg, var(--door-blue) 0%, var(--door-blue-deep) 100%);
  box-shadow: 0 2px 0 color-mix(in srgb, var(--door-blue-deep) 35%, transparent);
}

body.am-ui-v1 .am-teach-sol__block--trap {
  border-color: color-mix(in srgb, var(--am-accent) 26%, var(--door-line));
  border-left-color: var(--am-accent);
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--am-soft-accent) 90%, #fff) 0%,
      color-mix(in srgb, var(--am-soft-accent) 52%, #fff) 100%
    );
  box-shadow: 3px 5px 0 color-mix(in srgb, var(--am-accent) 12%, transparent);
}

body.am-ui-v1 .am-teach-sol__block--trap .am-teach-sol__label {
  color: color-mix(in srgb, var(--am-accent) 78%, #6b1f1a);
}

body.am-ui-v1 .am-teach-sol__block--takeaway {
  border-color: color-mix(in srgb, var(--door-blue) 24%, transparent);
  background:
    radial-gradient(
      ellipse 110% 90% at 6% 0%,
      color-mix(in srgb, var(--door-blue-soft) 92%, #fff) 0%,
      color-mix(in srgb, var(--door-blue-soft) 40%, #fff) 100%
    );
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 70%, transparent) inset,
    4px 7px 0 color-mix(in srgb, var(--door-blue) 12%, transparent);
}

body.am-ui-v1 .am-teach-sol__block--takeaway .am-teach-sol__label {
  color: var(--door-blue-deep);
}

body.am-ui-v1 .am-teach-sol__block--takeaway .am-teach-sol__body {
  color: var(--door-ink);
}

body.am-ui-v1 .am-tp-teach-opening {
  margin: 0 0 0.95rem;
  padding: 0;
  border: 0;
  max-width: 42rem;
}

body.am-ui-v1 .am-tp-teach-opening__idea {
  font: 400 0.98rem/1.55 var(--am-font-body);
  color: var(--door-muted);
  margin: 0;
}

body.am-ui-v1 .am-tp-teach-example-lead {
  font: 700 1.08rem/1.2 var(--am-font-page-title);
  letter-spacing: -0.01em;
  color: color-mix(in srgb, #4a3a12 50%, var(--door-ink));
  margin: 0 0 0.4rem;
}

/* ── Path rail: Idea → Example → Problem (E only when example exists) ── */

/* Lock the page (Topic Path only): nav + Working-on chrome stay put;
   only .am-tp-work-scroll scrolls. Do not apply to authoring /main-problems
   or other am-problem-page pages that lack the TP scroll pane. */
body.am-tp-page:has(main.am-problem-page):not(.am-tp-first-open) {
  height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

body.am-tp-page:has(main.am-problem-page):not(.am-tp-first-open) > .am-nav-wrap {
  /* Fixed overlay — out of flow; keep auto height so slide % works */
  flex: 0 0 0;
  margin: 0;
  min-height: 0;
}

body.am-tp-page:has(main.am-problem-page):not(.am-tp-first-open) > main.am-problem-page {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* base .am-main keeps padding-top:28px — flush under nav in locked TP shell */
  padding-top: 0;
  padding-bottom: 12px;
}

/* Screens preview bar: TP shell already sits below sticky nav — don't add nav offset again */
body.am-tp-page:has(main.am-problem-page):not(.am-tp-first-open) .am-screens-bar {
  position: relative;
  top: auto;
  margin-bottom: 0.35rem;
  border-radius: 0;
}

body.am-tp-page:has(main.am-problem-page):not(.am-tp-first-open) .am-tp-sticky {
  position: relative;
  top: auto;
  flex: 0 0 auto;
  z-index: 20;
}

.am-tp-work-scroll {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.am-tp-work-scroll > .am-tp-path-layout {
  flex: 1 1 auto;
  min-height: 0;
  margin-bottom: 0;
}

.am-tp-path-layout {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.am-tp-path-layout__main {
  flex: 1 1 auto;
  min-width: 0;
  /* Scroll lives on .am-tp-work-scroll — nested overflow here clips when
     path-layout is display:block (fixed rail / narrow viewports). */
  overflow: visible;
  padding-bottom: 1.25rem;
}

.am-tp-path-rail {
  flex: 0 0 auto;
}

.am-tp-path-rail__label {
  margin: 0 0 0.4rem;
  font: 700 0.65rem/1 var(--am-font-ui);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--am-ink, #1a2332) 45%, transparent);
  overflow: hidden;
  white-space: nowrap;
  transition: opacity 0.18s ease, max-height 0.18s ease, margin 0.18s ease;
}

.am-tp-path-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  gap: 0.4rem;
}

.am-tp-path-rail__item {
  flex: 1;
  min-width: 0;
}

.am-tp-path-rail__form {
  margin: 0;
}

.am-tp-path-rail__pill {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  width: 100%;
  min-height: 2.5rem;
  padding: 0.45rem 0.55rem;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--am-ink, #1a2332) 12%, transparent);
  background: color-mix(in srgb, #fff 88%, var(--am-ink, #1a2332));
  color: color-mix(in srgb, var(--am-ink, #1a2332) 72%, #64748b);
  font: 650 0.78rem/1.15 var(--am-font-ui);
  letter-spacing: 0.01em;
  cursor: default;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  transition:
    border-color 0.18s ease,
    background 0.18s ease,
    color 0.18s ease,
    min-height 0.2s ease,
    padding 0.2s ease,
    gap 0.2s ease,
    border-radius 0.2s ease,
    box-shadow 0.18s ease;
}

button.am-tp-path-rail__pill {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.am-tp-path-rail__dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  flex: 0 0 auto;
  background: currentColor;
  opacity: 0.7;
  transition: opacity 0.15s ease, width 0.2s ease, height 0.2s ease, margin 0.2s ease;
}

.am-tp-path-rail__letter {
  display: none;
  flex: 0 0 auto;
  font: 700 0.78rem/1 var(--am-font-ui);
  letter-spacing: 0;
}

.am-tp-path-rail__text {
  color: inherit;
  font-weight: inherit;
  overflow: hidden;
  white-space: nowrap;
  transition: opacity 0.15s ease, max-width 0.2s ease;
}

.am-tp-path-rail__item--missing .am-tp-path-rail__pill,
.am-tp-path-rail__item--locked .am-tp-path-rail__pill {
  opacity: 0.55;
  border-style: dashed;
  color: color-mix(in srgb, var(--am-ink, #1a2332) 48%, #94a3b8);
}

.am-tp-path-rail__item--done .am-tp-path-rail__pill {
  color: var(--am-ink, #1a2332);
  font-weight: 700;
  background: #fff;
  border-color: color-mix(in srgb, var(--am-primary, #104a65) 28%, var(--am-border, #d0cbb8));
  opacity: 1;
}

.am-tp-path-rail__item--done .am-tp-path-rail__dot {
  opacity: 1;
  background: var(--am-primary, #104a65);
}

.am-tp-path-rail__item--done.is-clickable .am-tp-path-rail__pill:hover,
.am-tp-path-rail__item--done.is-clickable .am-tp-path-rail__pill:focus-visible {
  border-color: color-mix(in srgb, var(--am-primary, #104a65) 48%, transparent);
  background: color-mix(in srgb, var(--am-soft-teal, #dceae8) 55%, #fff);
  color: var(--am-ink, #1a2332);
}

.am-tp-path-rail__item--current .am-tp-path-rail__pill {
  color: var(--am-ink, #1a2332);
  font-weight: 700;
  border-color: color-mix(in srgb, var(--am-soft-teal, #5ba3c9) 55%, transparent);
  background: #fff;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--am-soft-teal, #5ba3c9) 18%, transparent);
}

.am-tp-path-rail__item--current .am-tp-path-rail__dot,
.am-tp-path-rail__item--review .am-tp-path-rail__dot {
  opacity: 1;
  background: var(--am-primary, #104a65);
}

.am-tp-path-rail__item--review .am-tp-path-rail__pill {
  color: var(--am-ink, #1a2332);
  font-weight: 700;
  border-color: color-mix(in srgb, var(--am-ink, #1a2332) 28%, transparent);
  background: #fff;
}

.am-tp-path-rail__item--current.is-clickable .am-tp-path-rail__pill:hover,
.am-tp-path-rail__item--current.is-clickable .am-tp-path-rail__pill:focus-visible {
  border-color: color-mix(in srgb, var(--am-soft-teal, #5ba3c9) 75%, transparent);
}

.am-tp-path-review__kicker {
  margin: 0 0 1rem;
  font: 700 0.7rem/1 var(--am-font-ui);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--am-ink, #1a2332) 48%, transparent);
}

.am-tp-path-review__options {
  pointer-events: none;
}

.am-tp-path-review__row .am-prob__option {
  cursor: default;
}

/* Collapsed letter chips in the left page gutter (laptop+ only). */
@media (max-width: 1280px) {
  .am-tp-path-rail {
    display: none !important;
  }

  .am-tp-path-layout {
    display: block;
  }
}

@media (min-width: 1281px) {
  .am-tp-path-layout {
    display: block;
    position: relative;
  }

  .am-tp-path-rail {
    /* Sit in the empty left margin beside the 90% page column. */
    position: fixed;
    left: max(0.15rem, calc((100vw - var(--am-page-width)) / 4 - 1.175rem));
    top: 50%;
    transform: translateY(-50%);
    z-index: 45;
    width: 2.35rem;
    margin: 0;
  }

  .am-tp-path-rail__label {
    display: none;
  }

  .am-tp-path-rail__list {
    flex-direction: column;
    gap: 0.35rem;
  }

  .am-tp-path-rail__item {
    flex: 0 0 auto;
    position: relative;
    height: 2rem;
  }

  .am-tp-path-rail__form {
    display: block;
    height: 100%;
  }

  .am-tp-path-rail__pill {
    flex-direction: column;
    min-height: 2rem;
    height: 100%;
    padding: 0.28rem 0.2rem;
    gap: 0;
    border-radius: 9px;
    font-size: 0.72rem;
    letter-spacing: 0.01em;
  }

  .am-tp-path-rail__dot {
    width: 0;
    height: 0;
    margin: 0;
    opacity: 0;
    overflow: hidden;
  }

  .am-tp-path-rail__letter {
    display: block;
  }

  .am-tp-path-rail__text {
    max-width: 0;
    opacity: 0;
    height: 0;
    margin: 0;
  }

  .am-tp-path-rail__item:hover .am-tp-path-rail__pill,
  .am-tp-path-rail__item:focus-within .am-tp-path-rail__pill {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 50;
    width: 5.5rem;
    min-height: 3.35rem;
    height: auto;
    padding: 0.55rem 0.35rem;
    gap: 0.3rem;
    box-shadow: 0 8px 22px rgba(19, 24, 27, 0.12);
  }

  .am-tp-path-rail__item:hover .am-tp-path-rail__dot,
  .am-tp-path-rail__item:focus-within .am-tp-path-rail__dot {
    width: 0.45rem;
    height: 0.45rem;
    opacity: 0.7;
  }

  .am-tp-path-rail__item--done:hover .am-tp-path-rail__dot,
  .am-tp-path-rail__item--done:focus-within .am-tp-path-rail__dot,
  .am-tp-path-rail__item--current:hover .am-tp-path-rail__dot,
  .am-tp-path-rail__item--current:focus-within .am-tp-path-rail__dot,
  .am-tp-path-rail__item--review:hover .am-tp-path-rail__dot,
  .am-tp-path-rail__item--review:focus-within .am-tp-path-rail__dot {
    opacity: 1;
  }

  .am-tp-path-rail__item:hover .am-tp-path-rail__letter,
  .am-tp-path-rail__item:focus-within .am-tp-path-rail__letter {
    display: none;
  }

  .am-tp-path-rail__item:hover .am-tp-path-rail__text,
  .am-tp-path-rail__item:focus-within .am-tp-path-rail__text {
    max-width: 6rem;
    opacity: 1;
    height: auto;
  }

  .am-tp-path-rail .am-tp-debug-diff {
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: 2rem;
    margin-top: 0.35rem;
    padding: 0.2rem 0.15rem;
    font-size: 0.58rem;
    overflow: hidden;
    transition: width 0.2s ease, padding 0.2s ease, font-size 0.2s ease, box-shadow 0.18s ease;
  }

  .am-tp-path-rail .am-tp-debug-diff__line:first-child {
    display: none;
  }

  .am-tp-path-rail .am-tp-debug-diff:hover,
  .am-tp-path-rail .am-tp-debug-diff:focus-within {
    z-index: 50;
    width: 5.5rem;
    padding: 0.35rem 0.4rem;
    font-size: 0.62rem;
    overflow: visible;
    box-shadow: 0 8px 22px rgba(19, 24, 27, 0.12);
  }

  .am-tp-path-rail .am-tp-debug-diff:hover .am-tp-debug-diff__line:first-child,
  .am-tp-path-rail .am-tp-debug-diff:focus-within .am-tp-debug-diff__line:first-child {
    display: block;
  }
}

.am-tp-debug-diff {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  margin: 0.55rem 0 0;
  padding: 0.35rem 0.4rem;
  border: 1.5px solid #c62828;
  background: #ffebee;
  color: #b71c1c;
  font: 650 0.62rem/1.25 system-ui, sans-serif;
  border-radius: 6px;
  word-break: break-word;
  text-align: center;
}

.am-tp-path-layout__main > .am-tp-debug-diff,
.am-card-shell > .am-tp-debug-diff {
  margin: 0.5rem 0 0.75rem;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.4rem;
  font-size: 0.85rem;
  padding: 0.45rem 0.65rem;
  border-width: 2px;
  text-align: left;
}

body.am-ui-v1 .am-tp-path-rail__label {
  color: var(--door-muted);
}

body.am-ui-v1 .am-tp-path-rail__item--done .am-tp-path-rail__pill {
  color: var(--door-ink);
  background: #fff;
  border-color: color-mix(in srgb, var(--door-blue) 28%, var(--door-line));
}

body.am-ui-v1 .am-tp-path-rail__item--done .am-tp-path-rail__dot {
  background: var(--door-blue);
}

body.am-ui-v1 .am-tp-path-rail__item--current .am-tp-path-rail__pill {
  color: var(--door-ink);
  background: #fff;
  border-color: color-mix(in srgb, var(--door-blue) 40%, var(--door-line));
}

body.am-ui-v1 .am-tp-path-rail__item--current .am-tp-path-rail__dot,
body.am-ui-v1 .am-tp-path-rail__item--review .am-tp-path-rail__dot {
  background: var(--door-blue);
}

body.am-ui-v1 .am-tp-path-rail__item--locked .am-tp-path-rail__pill,
body.am-ui-v1 .am-tp-path-rail__item--missing .am-tp-path-rail__pill {
  color: var(--door-muted);
}