/* Cancer Imaging by Guideline — shared hub + per-cancer page styles.
   Uses /assets/nucs-theme.css tokens (dark/light). */

/* Site palette (Okabe–Ito CVD-safe) — single source mirrored in
   cancer-imaging/site-palette.json and tools/.../configs/myeloma.json */
:root {
  --ci-site-spine: #0072B2;
  --ci-site-skull: #A35F00;
  --ci-site-mandible: #9040A0;
  --ci-site-pelvis: #007A59;
  --ci-site-ribs: #984B2F;
  --ci-site-humeri: #6B5F00;
  --ci-site-femora: #BE2E5A;
  --ci-site-emd: #6B5CE7;
  --ci-site-plasmacytoma: #C44B7A;
  /* Breast PET/CT body figure (do not change myeloma entries above). */
  --ci-site-skeleton: #0072B2;
  --ci-site-nodes: #E65100;
  --ci-site-liver: #8A8A1E;
  --ci-site-lungs: #BE2E5A;
  --ci-site-brain: #007A59;
  --ci-site-pleura: #6B5CE7;
  --ci-site-adrenals: #0097A7;
  --ci-site-prostate: #8D6E63;
  --ci-site-pelvic-nodes: #9201FC;
  --ci-site-inguinal-nodes: #945516;
  --ci-site-external-iliac-nodes: #FF00E6;
  --ci-site-perirectal-nodes: #A83291;
  --ci-site-cervical-nodes: #0072B2;
  --ci-site-axillary-nodes: #169448;
  --ci-site-mediastinal-nodes: #C94DFF;
  --ci-site-stomach: #C94DFF;
  --ci-site-bowel: #169448;
  --ci-site-peritoneum: #9201FC;
  --ci-bone-neutral: #8E8980;
  --ci-bone-cartilage: #6E6A64;
  --ci-pill-text-light: #FFFFFF;
  --ci-pill-text-dark: #111827;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--txt);
  line-height: 1.55;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(1000px 700px at 85% -15%, var(--body-glow, #1a2744) 0%, transparent 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: rgba(56, 189, 248, 0.15);
  padding-left: max(env(safe-area-inset-left, 0px), env(safe-area-inset-right, 0px));
  padding-right: max(env(safe-area-inset-left, 0px), env(safe-area-inset-right, 0px));
}
a { color: inherit; touch-action: manipulation; text-decoration: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 22px; }

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: calc(28px + env(safe-area-inset-top, 0px)) 0 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.site-nav a { color: var(--muted); font-weight: 600; font-size: 0.9rem; }
.site-nav a:hover { color: var(--accent); }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  text-decoration: none;
  color: var(--txt);
}
.brand .logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  overflow: hidden;
  flex: 0 0 auto;
  display: block;
  object-fit: cover;
  background: #000;
  box-shadow: 0 0 0 1px rgba(167, 139, 250, 0.35);
}
.brand-text {
  background: linear-gradient(
    90deg,
    #e9d5ff 0%, #c4b5fd 8%, #a78bfa 16%, #7c3aed 25%, #a78bfa 33%, #c4b5fd 42%,
    #e9d5ff 50%, #c4b5fd 58%, #a78bfa 66%, #7c3aed 75%, #a78bfa 83%, #c4b5fd 92%, #e9d5ff 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: brandWave 6s linear infinite;
}
@keyframes brandWave {
  from { background-position: 0% 50%; }
  to { background-position: -100% 50%; }
}

header.page-hero { padding: 18px 0 22px; }
h1 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  letter-spacing: -0.02em;
  font-weight: 750;
}
.lede { margin: 0; max-width: 62ch; color: var(--muted); font-size: 1.05rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 160px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--bg2) 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 16px 16px;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
}
.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  white-space: nowrap;
  color: var(--muted);
  background: var(--panel2);
}
.badge.pilot,
.badge.live {
  color: #04211a;
  background: linear-gradient(135deg, #34d399, #7cf29a);
  border-color: rgba(124, 242, 154, 0.4);
}
.card h3 { margin: 0; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.88rem; flex: 1; line-height: 1.45; }
.cta {
  margin-top: 4px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--accent);
}

/* Per-cancer page */
.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0 0 28px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.toc a {
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 600;
}
.toc a:hover { text-decoration: underline; }

.section {
  margin: 0 0 32px;
  padding: 20px 18px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--bg2) 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.section h2 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.section .pending {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-style: italic;
}
.placeholder-note {
  display: inline-block;
  margin: 0 0 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--warn, #fbbf24);
  border: 1px solid color-mix(in srgb, var(--warn, #fbbf24) 40%, var(--line));
  background: color-mix(in srgb, var(--warn, #fbbf24) 12%, transparent);
  padding: 3px 8px;
  border-radius: 999px;
}

.spread-wrap {
  display: grid;
  gap: 20px;
  margin-top: 12px;
  align-items: start;
}
@media (min-width: 800px) {
  .spread-wrap { grid-template-columns: minmax(0, 1.35fr) minmax(10rem, 0.75fr); }
}

.spread-chart {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px 0;
  margin: 0;
}
.spread-bar-row {
  display: grid;
  grid-template-columns: minmax(6.5rem, 34%) 1fr auto;
  gap: 8px;
  align-items: center;
}
.spread-bar-label {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.25;
}
.spread-bar-track {
  position: relative;
  height: 12px;
  border-radius: 999px;
  background: var(--panel2);
  border: 1px solid var(--line);
  overflow: hidden;
}
.spread-bar-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--accent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--txt) 55%, transparent);
}
.spread-bar-fill--range {
  position: absolute;
  top: 0;
  bottom: 0;
  width: auto;
  min-width: 4px;
  border-radius: 2px;
  opacity: 0.95;
  background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.55) 0 2px, transparent 2px 5px);
  box-shadow: inset 2px 0 0 var(--txt), inset -2px 0 0 var(--txt),
    inset 0 0 0 1px color-mix(in srgb, var(--txt) 55%, transparent);
}
.spread-note { margin: 4px 0 0; font-size: 0.8rem; color: var(--muted); }
.spread-noscript { margin: 8px 0 0; font-size: 0.9rem; }
.spread-bar-value {
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  min-width: 4.5rem;
  text-align: right;
  white-space: nowrap;
}
.spread-bar-cite {
  margin-left: 4px;
  font-size: 0.72rem;
}
.spread-bar-cite .cite-ref { color: var(--accent); text-decoration: none; }
.spread-bar-cite .cite-ref:hover { text-decoration: underline; }

/* Compact section tables (e.g. PSMA expression score); scroll if narrow. */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 8px 0 14px;
  max-width: 100%;
}
.section .table-scroll > table {
  width: 100%;
  max-width: 28rem;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.section .table-scroll th,
.section .table-scroll td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.section .table-scroll th {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.spread-skeleton {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  color: var(--muted);
  min-height: 12rem;
}
.spread-skel-figure {
  position: relative;
  width: 100%;
  max-width: 240px;
  margin: 0 auto;
}
.spread-skel-img {
  display: block;
  width: 100%;
  height: auto;
}
html[data-theme="light"] .spread-skel-figure {
  /* Cool ground so darkened neutrals separate from the light page. */
  border-radius: 14px;
  background: linear-gradient(180deg, #e8eef6 0%, #d9e2ee 100%);
  box-shadow: inset 0 0 0 1px rgba(20, 28, 40, 0.08);
}
.spread-skel-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}
.spread-skel-overlay .skel-leader {
  stroke-width: 0.55;
  stroke-opacity: 1;
  fill: none;
}
.spread-skel-overlay .skel-pct-pill {
  /* Solid pill — no stroke/halo. Fill comes from the site colour in the SVG. */
  stroke: none;
}
.spread-skel-overlay .skel-pct {
  font-size: 4.6px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  /* No outline/halo — contrast is text-on-pill (≥4.5:1), theme-independent. */
  stroke: none;
  paint-order: normal;
}

.credit {
  margin: 36px 0 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
}
.credit .cite { margin: 0 0 10px; line-height: 1.5; }
.credit a { color: var(--accent); text-decoration: underline; overflow-wrap: anywhere; }

footer.page-foot {
  border-top: 1px solid var(--line);
  padding: 22px 0 calc(40px + env(safe-area-inset-bottom, 0px));
  color: var(--muted);
  font-size: 0.82rem;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
footer.page-foot a { color: var(--accent); }

@media (hover: none) {
  .card:hover { transform: none; border-color: var(--line); box-shadow: var(--shadow); }
}
@media (max-width: 560px) {
  .wrap { padding: 0 14px; }
  .site-nav a { min-height: 44px; display: inline-flex; align-items: center; }
  .grid { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .spread-bar-row { grid-template-columns: 1fr; gap: 4px; }
  .spread-bar-value { text-align: left; }
}

/* Source line, captions, figures, doses, sources list */
.byline { margin: 0 0 6px; color: var(--muted); font-size: 0.9rem; font-weight: 600; }
.spread-caption {
  margin: 16px 0 0;
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--muted);
}
.ci-fig { margin: 12px 0 0; }
.ci-fig img { display: block; max-width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--line); }
.ci-fig figcaption { margin-top: 6px; font-size: 0.85rem; color: var(--muted); }
.ci-fig .fig-credit { display: block; font-size: 0.78rem; }

/* Key Images viewer — same imager/film/stage contract as ABNM Board Prep.
   Favorites chrome: /assets/board-prep-key-images-favorites.css (+ JS). */
.imager {
  margin-top: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  box-shadow: var(--shadow);
}
.imager .film,
.film {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 2px 2px 10px;
  margin: 0 0 10px;
  -webkit-overflow-scrolling: touch;
  scrollbar-color: var(--line) transparent;
}
/* Keep left acronym tab from covering first thumbs. */
body.ci-acronym-ready .film {
  padding-left: calc(var(--ci-acronym-tab-width, 1.35rem) + 0.55rem);
  scroll-padding-left: calc(var(--ci-acronym-tab-width, 1.35rem) + 0.55rem);
  box-sizing: border-box;
}
.film::-webkit-scrollbar { height: 6px; }
.film::-webkit-scrollbar-thumb { background: var(--line); border-radius: 999px; }
.thumb {
  flex: 0 0 auto;
  width: 84px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel2);
  color: var(--muted);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  cursor: pointer;
  touch-action: manipulation;
  font: inherit;
}
.thumb img {
  width: 84px;
  height: 64px;
  object-fit: contain;
  background: #fff;
  border-radius: 9px 9px 0 0;
  display: block;
}
.thumb span {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 5px 6px 6px;
  text-align: center;
  line-height: 1.2;
}
.thumb.on {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
  color: var(--txt);
}
.thumb:hover { border-color: var(--accent); }
.stage-row {
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  gap: 6px;
  align-items: stretch;
}
.stage-nav {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel2);
  color: var(--muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
  min-height: 44px;
}
.stage-nav:hover { color: var(--accent); border-color: var(--accent); }
.stage {
  min-height: min(62vh, 520px);
  max-height: min(72vh, 640px);
  background: var(--bg2, #0b1018);
  border: 1px solid var(--line);
  border-radius: 12px;
  display: grid;
  place-items: center;
  overflow: auto;
}
.stage img {
  max-width: 100%;
  max-height: min(70vh, 620px);
  width: auto;
  height: auto;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
  display: block;
}
.stage-meta { padding: 12px 4px 4px; }
.stage-meta .tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
  border-radius: 999px;
  padding: 3px 8px;
  margin: 0 0 8px;
}
.stage-meta h3 { margin: 0 0 8px; font-size: 1rem; }
.stage-meta .cap { margin: 0; color: var(--muted); font-size: 0.78rem; line-height: 1.45; }
.stage-meta .cap a { color: var(--accent); text-decoration: none; }
.stage-meta .cap a:hover { text-decoration: underline; }
.stage-meta .cap .fig-credit { display: block; margin-top: 6px; font-size: 0.74rem; }
.imager.is-empty-film,
.bp-key-images-absent,
section.ci-key-images-empty {
  display: none !important;
}
@media (max-width: 560px) {
  .stage-row { grid-template-columns: 44px 1fr 44px; }
  .stage { min-height: 280px; }
  .thumb { min-height: 44px; }
}
.dose { white-space: nowrap; font-variant-numeric: tabular-nums; }
.credit-heading { font-size: 0.95rem; margin: 0 0 8px; }
.refs { margin: 0 0 8px; padding-left: 1.4rem; font-size: 0.85rem; color: var(--muted); }
.paraphrase { font-size: 0.85rem; }
.callout {
  margin: 10px 0 14px;
  padding: 10px 12px;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-radius: 0 10px 10px 0;
  font-size: 0.92rem;
}
.cite-ref {
  color: var(--accent);
  text-decoration: none;
  font-variant-numeric: tabular-nums;
}
.cite-ref:hover { text-decoration: underline; }

/* —— Acronym side panel (left drawer; mirrors ask-ai right-edge chrome) —— */
:root {
  --ci-acronym-z-tab: 58;
  --ci-acronym-z-scrim: 62;
  --ci-acronym-z-panel: 66;
  --ci-acronym-width: min(20rem, calc(100vw - 2rem));
  --ci-acronym-tab-width: 1.35rem;
}

.ci-acronym-tab,
.ci-acronym-panel,
.ci-acronym-scrim {
  display: none;
}

body.ci-acronym-ready .ci-acronym-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 28%;
  left: 0;
  z-index: var(--ci-acronym-z-tab);
  width: var(--ci-acronym-tab-width);
  min-height: 4.5rem;
  margin: 0;
  padding: 0.55rem 0.15rem;
  border: 1px solid var(--line, #243449);
  border-left: 0;
  border-radius: 0 10px 10px 0;
  background: var(--panel, #151f30);
  color: var(--txt, #e6edf5);
  box-shadow: 4px 0 16px rgba(0, 0, 0, 0.28);
  cursor: pointer;
  touch-action: manipulation;
  font: inherit;
  font-size: 1.1rem;
  font-weight: 650;
  line-height: 1;
}

body.ci-acronym-ready .ci-acronym-tab:focus-visible {
  outline: 2px solid var(--accent, #38bdf8);
  outline-offset: 2px;
}

body.ci-acronym-ready .ci-acronym-panel {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--ci-acronym-z-panel);
  width: var(--ci-acronym-width);
  height: 100%;
  max-height: 100dvh;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background: var(--panel, #151f30);
  color: var(--txt, #e6edf5);
  border-right: 1px solid var(--line, #243449);
  box-shadow: 12px 0 36px rgba(0, 0, 0, 0.4);
  transform: translateX(-105%);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

body.ci-acronym-open .ci-acronym-panel.is-open {
  transform: translateX(0);
}

/* Closed panel stays out of the tab order and the accessibility tree. */
body.ci-acronym-ready:not(.ci-acronym-open) .ci-acronym-panel {
  visibility: hidden;
}

body.ci-acronym-open .ci-acronym-tab {
  visibility: hidden;
  pointer-events: none;
}

.ci-acronym-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 12px 8px;
  border-bottom: 1px solid var(--line, #243449);
  position: sticky;
  top: 0;
  background: var(--panel, #151f30);
  z-index: 1;
}

.ci-acronym-panel__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.ci-acronym-panel__close {
  min-width: 44px;
  min-height: 44px;
  margin: 0;
  padding: 0 10px;
  border: 1px solid var(--line, #243449);
  border-radius: 10px;
  background: var(--panel2, #1b2740);
  color: inherit;
  font: inherit;
  font-size: 1.2rem;
  font-weight: 650;
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
}

.ci-acronym-panel__close:focus-visible {
  outline: 2px solid var(--accent, #38bdf8);
  outline-offset: 2px;
}

.ci-acronym-panel__body {
  padding: 12px 14px 18px;
}

.ci-acronym-panel__empty {
  margin: 0;
  color: var(--muted, #93a3b8);
  font-size: 0.88rem;
}

.ci-acronym-panel__dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 12px;
  align-items: baseline;
}

.ci-acronym-panel__abbr {
  margin: 0;
  font-size: 0.86rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent, #38bdf8);
  white-space: nowrap;
}

.ci-acronym-panel__expansion {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.4;
  color: var(--txt, #e6edf5);
}

.ci-acronym-scrim {
  position: fixed;
  inset: 0;
  z-index: var(--ci-acronym-z-scrim);
  margin: 0;
  padding: 0;
  border: 0;
  background: rgba(6, 10, 18, 0.55);
  cursor: pointer;
  opacity: 0;
}

body.ci-acronym-open .ci-acronym-scrim:not([hidden]) {
  display: block;
  opacity: 1;
}

/* Scroll lock only for the mobile modal sheet; desktop is a non-modal side panel. */
body.ci-acronym-open.ci-acronym-modal {
  overflow: hidden;
}

@media (prefers-reduced-motion: no-preference) {
  body.ci-acronym-ready .ci-acronym-panel {
    transition: transform 0.22s ease, visibility 0s linear 0.22s;
  }
  body.ci-acronym-open .ci-acronym-panel {
    transition: transform 0.22s ease, visibility 0s linear 0s;
  }
  body.ci-acronym-ready .ci-acronym-scrim {
    transition: opacity 0.22s ease;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.ci-acronym-ready .ci-acronym-panel,
  body.ci-acronym-ready .ci-acronym-scrim {
    transition: none !important;
  }
}

html[data-theme="light"] .ci-acronym-scrim {
  background: rgba(20, 28, 40, 0.4);
}