/* ============================================================================
   Page-specific layout: landing plate, auth, design page
   ========================================================================== */

/* --- landing hero --- */
.hero { position: relative; padding-block: var(--s-7) var(--s-6); background: radial-gradient(ellipse 70% 55% at 72% 50%, rgba(127, 209, 200, 0.07), transparent 70%); }
.hero__inner { display: grid; gap: var(--s-6); align-items: center; grid-template-columns: 1fr; }
@media (min-width: 56rem) {
  .hero { padding-block: var(--s-6); }
  .hero__inner { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: var(--s-7); min-height: calc(100dvh - 3.75rem); }
}
.landing { width: 100%; }
.landing .section { padding-block: var(--s-8); }
.landing .section + .section, .landing .cta { border-top: var(--hairline) solid var(--line); }
.landing .section__head { max-width: 44rem; }
.landing .steps { grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); }
@media (min-width: 64rem) { .landing .steps { grid-template-columns: repeat(3, 1fr); gap: var(--s-7); } }
.hero__legend { justify-content: center; }
.hero__copy { display: grid; gap: var(--s-5); max-width: 38rem; }
.hero__title { font-size: var(--text-3xl); font-weight: 500; }
.hero__title em { font-style: italic; color: var(--accent-200); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s-3); }
.hero__facts { display: flex; flex-wrap: wrap; gap: var(--s-5) var(--s-7); padding-top: var(--s-5); border-top: var(--hairline) solid var(--line); }

/* --- the anatomical plate --- */
.plate { position: relative; display: grid; place-items: center; aspect-ratio: 52 / 70; width: min(100%, 36rem); max-height: 48rem; margin-inline: auto; }
.plate-wrap { display: grid; justify-items: center; }
.plate::before {
  content: ""; position: absolute; inset: 4% 10%; border-radius: 50% 50% 46% 46% / 42% 42% 58% 58%;
  background: radial-gradient(60% 55% at 50% 40%, rgba(134, 214, 198, 0.10), transparent 70%);
  filter: blur(18px); pointer-events: none;
}
.plate__svg { width: 100%; height: 100%; overflow: visible; }
.plate__grid line { stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.plate__frame { fill: none; stroke: var(--line-strong); stroke-width: 1; vector-effect: non-scaling-stroke; }
.plate__caption { font-family: var(--font-mono); font-size: 9px; fill: var(--ink-faint); letter-spacing: 0.18em; text-transform: uppercase; }
.plate__corner { fill: var(--ink-faint); }
.silhouette { fill: rgba(239, 233, 221, 0.025); stroke: var(--bone-300); stroke-width: 1.1; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.axis { stroke: var(--line-strong); stroke-width: 1; stroke-dasharray: 2 5; vector-effect: non-scaling-stroke; }

/* structures and their mastery states: the same vocabulary the 3D viewer uses */
.structure { stroke-width: 1.1; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; transition: fill var(--dur-3) var(--ease-out), stroke var(--dur-3) var(--ease-out), opacity var(--dur-3) var(--ease-out); }
.structure--none { fill: none; stroke: var(--line); stroke-dasharray: 1 4; }
.structure--ghost { fill: none; stroke: var(--mastery-ghost); stroke-dasharray: 3 3; }
.structure--translucent { fill: rgba(239, 233, 221, 0.16); stroke: var(--mastery-translucent); }
.structure--solid { fill: rgba(239, 233, 221, 0.42); stroke: var(--mastery-solid); filter: drop-shadow(0 0 6px var(--accent-glow)); }
.structure--accent { fill: rgba(134, 214, 198, 0.22); stroke: var(--accent-300); filter: drop-shadow(0 0 8px var(--accent-glow)); }

/* materialisation: stroke draws in, then fill fades up (JS adds .is-on; CSS handles the rest) */
.materialise .structure { opacity: 0; }
.materialise .structure.is-on { opacity: 1; animation: draw-in var(--dur-3) var(--ease-out) both; }
.materialise .leader { stroke-dasharray: 1000; stroke-dashoffset: 1000; }
.materialise .leader.is-on { animation: leader-in var(--dur-3) var(--ease-out) forwards; }
.materialise .label-svg { opacity: 0; transition: opacity var(--dur-2) var(--ease-out); }
.materialise .label-svg.is-on { opacity: 1; }
@keyframes draw-in { from { stroke-dasharray: 0 1000; } to { stroke-dasharray: 1000 0; } }
@keyframes leader-in { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .materialise .structure, .materialise .label-svg { opacity: 1; animation: none; }
  .materialise .leader { stroke-dasharray: none; stroke-dashoffset: 0; animation: none; }
}
.label-svg { font-family: var(--font-display); font-style: italic; font-size: 15px; fill: var(--ink-strong); }
.label-svg .ro { font-family: var(--font-mono); font-style: normal; font-size: 9.5px; fill: var(--ink-faint); letter-spacing: 0.04em; }
.label-svg .ta { font-family: var(--font-mono); font-style: normal; font-size: 8.5px; fill: var(--accent-300); letter-spacing: 0.06em; }
.label-svg.is-right { text-anchor: end; }

/* --- landing sections --- */
.format-demo { display: grid; gap: var(--s-5); grid-template-columns: 1fr; }
@media (min-width: 60rem) { .format-demo { grid-template-columns: 1fr 1fr; } }
.demo-q { display: grid; gap: var(--s-4); }
.demo-q__meta { display: flex; gap: var(--s-3); align-items: center; flex-wrap: wrap; }
.modes { display: grid; gap: var(--s-5); grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); }
.mode { display: grid; gap: var(--s-3); padding: var(--s-6); border: var(--hairline) solid var(--line); border-radius: var(--radius-3); background: linear-gradient(180deg, rgba(239, 233, 221, 0.03), transparent); }
.mode h3 { font-size: var(--text-xl); }
.mode__num { font-family: var(--font-mono); color: var(--accent-300); font-size: var(--text-sm); }
.cta { text-align: center; display: grid; gap: var(--s-5); justify-items: center; padding-block: var(--s-8); }
.cta h2 { font-size: var(--text-2xl); }

/* --- auth --- */
.auth { display: grid; gap: var(--s-6); max-width: 28rem; margin-inline: auto; padding-block: var(--s-6); }
.auth__head { display: grid; gap: var(--s-2); }
.auth__head h1 { font-size: var(--text-2xl); }
.auth .btn--primary { width: 100%; }
.auth__aside { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--s-3); color: var(--ink-muted); font-size: var(--text-sm); }

/* --- empty / notice pages --- */
.page-notice { max-width: 34rem; margin-inline: auto; display: grid; gap: var(--s-4); padding-block: var(--s-8); }
.page-notice h1 { font-size: var(--text-2xl); }

/* --- design page --- */
.design { display: grid; gap: var(--s-8); }
.design__section { display: grid; gap: var(--s-5); }
.design__section > h2 { padding-bottom: var(--s-3); border-bottom: var(--hairline) solid var(--line); }
.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(7rem, 1fr)); gap: var(--s-3); }
.swatch-card { display: grid; gap: var(--s-2); font-family: var(--font-mono); font-size: var(--text-xs); color: var(--ink-muted); }
.swatch-card__chip { height: 3.5rem; border-radius: var(--radius-2); border: var(--hairline) solid var(--line); }
.c-ground-950 { background: var(--ground-950); } .c-ground-900 { background: var(--ground-900); } .c-ground-800 { background: var(--ground-800); } .c-ground-700 { background: var(--ground-700); } .c-ground-600 { background: var(--ground-600); }
.c-bone-50 { background: var(--bone-50); } .c-bone-100 { background: var(--bone-100); } .c-bone-200 { background: var(--bone-200); } .c-bone-300 { background: var(--bone-300); } .c-bone-400 { background: var(--bone-400); }
.c-accent-300 { background: var(--accent-300); } .c-accent-500 { background: var(--accent-500); } .c-accent-700 { background: var(--accent-700); } .c-tissue-300 { background: var(--tissue-300); } .c-gold-300 { background: var(--gold-300); }
.type-specimen { display: grid; gap: var(--s-4); }
.type-specimen > * { padding-bottom: var(--s-3); border-bottom: var(--hairline) solid var(--line); }
.demo-row { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; }
.demo-leaders { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-7); align-items: center; min-height: 12rem; padding: var(--s-5); }
.demo-target { width: 4rem; height: 4rem; border-radius: 50%; border: var(--hairline) solid var(--line-strong); background: rgba(239, 233, 221, 0.05); justify-self: end; }
.skeleton[data-h="1"] { height: 1rem; width: 60%; }
.skeleton[data-h="2"] { height: 2rem; width: 80%; }

/* --- quiz run --- */
.run { display: grid; gap: var(--s-5); }
.run__bar { display: grid; grid-template-columns: 1fr auto auto; gap: var(--s-5); align-items: center; }
.run__progress { display: grid; gap: var(--s-2); }
.run__score { color: var(--accent-300); }
.run__grid { display: grid; gap: var(--s-5); grid-template-columns: 1fr; align-items: start; }
@media (min-width: 64rem) { .run__grid { grid-template-columns: minmax(0, 1.6fr) minmax(16rem, 1fr); } }
.run__question { display: grid; gap: var(--s-5); }
.question { display: grid; gap: var(--s-5); }
.question__meta { display: flex; gap: var(--s-2); flex-wrap: wrap; }
.question__actions { display: flex; align-items: center; gap: var(--s-4); flex-wrap: wrap; }
.run__specimen { min-height: 12rem; display: grid; gap: var(--s-4); align-content: start; }
.specimen__labels { display: grid; gap: var(--s-4); }
.specimen__labels .label { opacity: 0; transform: translateX(-6px); transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out); }
.specimen__labels .label.is-on { opacity: 1; transform: none; }
.run__feedback { display: grid; gap: var(--s-4); border-left: 2px solid var(--line-strong); animation: feedback-in var(--dur-2) var(--ease-out); }
.run__feedback.is-correct { border-left-color: var(--ok); }
.run__feedback.is-incorrect { border-left-color: var(--bad); }
@keyframes feedback-in { from { opacity: 0; transform: translateY(6px); } }
.verdict__title { font-size: var(--text-xl); }
.is-correct .verdict__title::before { content: "✓ "; color: var(--ok); }
.is-incorrect .verdict__title::before { content: "✕ "; color: var(--bad); }
.explanation { display: grid; grid-template-columns: 2.25rem 1fr; gap: var(--s-3); }
.explanation__key { font-family: var(--font-mono); color: var(--ink-muted); }
.summary-head { display: flex; justify-content: space-between; align-items: center; gap: var(--s-5); flex-wrap: wrap; }
.summary-head .ring { --size: 7rem; }
.card.is-muted { opacity: 0.55; }
[data-grid-min="14rem"] { --grid-min: 14rem; }
[data-grid-min="16rem"] { --grid-min: 16rem; }
[data-grid-min="22rem"] { --grid-min: 22rem; }
.run__question.is-entering { animation: feedback-in var(--dur-2) var(--ease-out); }

/* --- mastery movement --- */
.card--progress { grid-template-columns: auto 1fr; grid-template-areas: "ring eyebrow" "ring title" "ring meta"; align-items: center; column-gap: var(--s-4); }
.card--progress .ring { grid-area: ring; --size: 3.5rem; --stroke: 2.5; }
.card--progress .eyebrow { grid-area: eyebrow; }
.card--progress .card__title { grid-area: title; }
.card--progress .muted { grid-area: meta; }
.movement__states { display: flex; align-items: center; gap: var(--s-2); }
.movement__arrow { color: var(--ink-faint); }
.movement__delta { margin-left: auto; color: var(--ink-faint); }
.movement.is-up .movement__delta { color: var(--accent-300); }
.movement.is-down .movement__delta { color: var(--tissue-300); }

/* --- the body (viewer) --- */
.body-page { display: grid; gap: var(--s-5); }
.body-page__head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--s-5); flex-wrap: wrap; }
.body-page__grid { display: grid; gap: var(--s-5); grid-template-columns: 1fr; align-items: start; }
@media (min-width: 64rem) { .body-page__grid { grid-template-columns: minmax(0, 1.7fr) minmax(16rem, 1fr); } }
.viewer { display: grid; gap: var(--s-3); }
.viewer__stage {
  position: relative; height: clamp(22rem, 78dvh, 52rem); border-radius: var(--radius-3);
  border: var(--hairline) solid var(--line); overflow: hidden;
  background:
    radial-gradient(70% 60% at 50% 35%, rgba(134, 214, 198, 0.10), transparent 70%),
    linear-gradient(180deg, var(--ground-800), var(--ground-950));
}
@media (max-width: 48rem) { .viewer__stage { height: auto; aspect-ratio: 4 / 5; min-height: 20rem; } }
.viewer--compact .viewer__stage { height: clamp(16rem, 50dvh, 34rem); }
.viewer__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; outline-offset: -3px; }
.viewer__labels { position: absolute; inset: 0; pointer-events: none; }
.viewer__label {
  position: absolute; left: 0; top: 0; display: grid; line-height: 1.15; max-width: 11rem;
  font-family: var(--font-display); font-style: italic; font-size: 1rem; color: var(--ink-strong);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}
.viewer__label small { font-family: var(--font-mono); font-style: normal; font-size: 0.66rem; color: var(--ink-faint); letter-spacing: 0.04em; }
.viewer__label.is-solid .viewer__label-la { color: var(--bone-50); }
.viewer__leaders { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.viewer__status {
  position: absolute; inset-inline: 0; bottom: var(--s-4); margin: 0 auto; width: max-content; max-width: 90%;
  padding: var(--s-2) var(--s-4); border-radius: var(--radius-pill); background: rgba(11, 32, 36, 0.85); border: var(--hairline) solid var(--line-strong);
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--ink-muted);
}
.viewer__bar { display: flex; justify-content: space-between; align-items: center; gap: var(--s-4); flex-wrap: wrap; }
.legend--compact { font-size: var(--text-xs); gap: var(--s-3) var(--s-4); }
.viewer[data-fallback] .viewer__canvas { display: none; }
.viewer__fallback { display: none; position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.viewer[data-fallback] .viewer__fallback, .no-js .viewer__fallback { display: block; }
/* the "loading the model" line belongs to the JS path only */
.no-js .viewer__status { display: none; }
.no-js .viewer__canvas, .no-js .viewer__bar { display: none; }
.structure-list { list-style: none; padding: 0; display: grid; gap: var(--s-1); }
.structure-list__item {
  display: grid; grid-template-columns: auto 1fr auto; gap: var(--s-3); align-items: center; width: 100%; text-align: left;
  padding: var(--s-2) var(--s-3); border-radius: var(--radius-2); color: var(--ink);
}
.structure-list__item:hover, .structure-list__item.is-active { background: rgba(239, 233, 221, 0.05); }
.structure-list__item.is-active { outline: 1px solid var(--line-strong); }
.structure-list__name { display: grid; line-height: 1.15; }
.structure-list__name small { font-size: var(--text-xs); color: var(--ink-faint); }
.lab-slider { display: grid; gap: var(--s-1); }
.lab-slider__name { display: flex; justify-content: space-between; font-size: var(--text-sm); }
.lab-slider input[type="range"] { width: 100%; accent-color: var(--accent-300); }
.run__specimen .viewer { gap: var(--s-2); }
.run__specimen .viewer__bar { display: none; }

/* --- campaign map --- */
.campaign { display: grid; gap: var(--s-6); }
.campaign__head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--s-5); flex-wrap: wrap; }
.card--next { min-width: 16rem; border-color: var(--accent-700); }
.campaign__grid { display: grid; gap: var(--s-6); grid-template-columns: 1fr; align-items: start; }
@media (min-width: 64rem) { .campaign__grid { grid-template-columns: minmax(18rem, 0.8fr) minmax(0, 1.2fr); } }
.campaign__plate .plate { width: min(100%, 30rem); }
.campaign__acts { display: grid; gap: var(--s-6); }
.act h2 { font-size: var(--text-lg); margin-bottom: var(--s-3); display: flex; gap: var(--s-3); align-items: baseline; }
.act__list { list-style: none; padding: 0; display: grid; gap: var(--s-1); }
.layer-row {
  display: grid; grid-template-columns: auto 1fr auto; grid-template-areas: "sw name meta" "sw bar bar"; gap: var(--s-1) var(--s-3); align-items: center;
  padding: var(--s-2) var(--s-3); border-radius: var(--radius-2); text-decoration: none; color: var(--ink);
}
a.layer-row:hover { background: rgba(239, 233, 221, 0.05); color: var(--ink-strong); }
.layer-row .swatch { grid-area: sw; }
.layer-row__name { grid-area: name; display: flex; gap: var(--s-2); align-items: baseline; flex-wrap: wrap; }
.layer-row__meta { grid-area: meta; color: var(--ink-muted); white-space: nowrap; }
.layer-row__bar { grid-area: bar; }
.layer-row.is-muted { opacity: 0.5; }
.topic-list { list-style: none; padding: 0; display: grid; gap: var(--s-3); }
.topic { display: grid; gap: var(--s-1); padding-bottom: var(--s-3); border-bottom: var(--hairline) solid var(--line); }
.topic:last-child { border-bottom: 0; }
.topic__head { display: flex; justify-content: space-between; align-items: center; gap: var(--s-3); }
.topic__name { font-weight: 600; }
.topic__start { margin-top: var(--s-1); }
.layer-row__bar { display: block; }
.layer-row__bar .bar__fill { display: block; }
.plate .is-off { display: none; }

/* --- simulare --- */
.run--exam .run__grid { grid-template-columns: 1fr; }
.threshold { display: grid; gap: var(--s-2); }
.threshold__bar { position: relative; overflow: visible; height: 6px; }
.threshold__mark { position: absolute; top: -5px; bottom: -5px; width: 2px; background: var(--gold-300); left: calc(var(--mark, 77) * 1%); }
.ok { color: var(--ok); }
.bad { color: var(--bad); }
.table tr.is-me td { background: rgba(134, 214, 198, 0.08); }
a.tab { text-decoration: none; }
.panel--accent { border-color: var(--accent-700); box-shadow: 0 0 0 1px var(--accent-700), var(--shadow-2); }
.control--inline { width: auto; min-width: 6rem; }
.card.is-locked { opacity: 0.7; }
.card.is-locked:hover { opacity: 1; }
.structure-list__item.check { cursor: pointer; }
.structure-list__item.check input { margin-top: 0; }
.legal h2 { font-size: var(--text-lg); }
.legal ul { padding-left: 1.2em; }
.spark { width: 100%; height: auto; overflow: visible; }
.spark__line { fill: none; stroke: var(--accent-300); stroke-width: 2; stroke-linejoin: round; }
.spark__dot { fill: var(--bone-50); }
.spark__threshold { stroke: var(--gold-300); stroke-width: 1; stroke-dasharray: 3 4; }
.viewer__stage::after { content: ""; position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 0 120px rgba(3, 18, 22, 0.75); border-radius: inherit; }

/* --- the session as a theatre: body behind, question in front --- */
.run--stage .run__bar { position: relative; z-index: 2; }
.run__theatre { position: relative; min-height: calc(100dvh - 9rem); }
.run__backdrop { position: absolute; inset: 0; }
.run__backdrop .viewer, .run__backdrop .viewer__stage { height: 100%; }
.viewer--stage { gap: 0; }
.viewer--stage .viewer__stage { border-radius: var(--radius-3); max-height: none; }
.viewer--stage .viewer__bar { position: absolute; right: var(--s-4); top: var(--s-4); z-index: 2; width: auto; }
.viewer--stage .viewer__bar .legend { display: none; }
.run__layer-progress { position: absolute; right: var(--s-4); bottom: var(--s-4); display: grid; justify-items: end; gap: 2px; z-index: 2; text-shadow: 0 1px 2px rgba(0,0,0,0.6); }
.run__layer-progress .mono { font-size: var(--text-xl); color: var(--bone-50); }
.run__front { position: relative; z-index: 1; display: grid; gap: var(--s-4); max-width: 36rem; padding: var(--s-5); }
.panel--glass { background: rgba(11, 32, 36, 0.72); backdrop-filter: blur(14px) saturate(1.2); border-color: rgba(239, 233, 221, 0.16); box-shadow: var(--shadow-3); }
.run--stage .run__feedback { border-left-width: 2px; }
@media (max-width: 64rem) {
  .run__theatre { min-height: 0; display: grid; }
  .run__backdrop { position: sticky; top: 3.75rem; height: 42dvh; z-index: 0; }
  .run__front { max-width: none; padding: var(--s-3) 0 0; margin-top: calc(-1 * var(--radius-3)); }
  .run__layer-progress { bottom: var(--s-3); right: var(--s-3); }
}
@media (prefers-reduced-transparency: reduce) { .panel--glass { backdrop-filter: none; background: var(--ground-800); } }

/* --- landing hero: live specimen, open composition (no box) --- */
.hero__stage { position: relative; aspect-ratio: 52 / 70; width: min(100%, 36rem); max-height: min(74dvh, 46rem); margin-inline: auto; }
@media (max-width: 56rem) { .hero__stage { max-height: 60dvh; } }
.hero__stage::before {
  /* the specimen's ground: a soft pool of light, and the plate's ruled lines */
  content: ""; position: absolute; inset: -6% -14% -2%; z-index: 0; pointer-events: none; border-radius: 50% / 30%;
  background:
    radial-gradient(ellipse 62% 14% at 50% 92%, rgba(127, 209, 200, 0.22), transparent 70%),
    radial-gradient(ellipse 55% 60% at 50% 45%, rgba(239, 233, 221, 0.05), transparent 70%),
    repeating-linear-gradient(180deg, transparent 0 2.75rem, rgba(239, 233, 221, 0.035) 2.75rem calc(2.75rem + 1px));
  mask-image: radial-gradient(ellipse 70% 75% at 50% 50%, #000 35%, transparent 78%);
}
.hero__stage .viewer--hero { position: absolute; inset: 0; z-index: 1; }
.hero__stage .viewer--hero .viewer__stage { height: 100%; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.hero__stage .viewer--hero .viewer__stage::after { display: none; }
.hero__stage .viewer--hero .viewer__canvas { background: transparent; }
.hero__stage .viewer--hero .viewer__labels { opacity: 0; transition: opacity var(--dur-3) var(--ease-out); }
.hero__stage .viewer--hero[data-assembled] .viewer__labels { opacity: 1; }
.hero__stage .hero__plate { position: absolute; inset: 0; transition: opacity var(--dur-3) var(--ease-out); }
.hero__stage .hero__plate.is-replaced { opacity: 0; pointer-events: none; }
.hero__stage .hero__plate .plate { width: 100%; max-height: none; }
.viewer--hero .viewer__bar { display: none; }

/* --- the hospital: walkable campaign --- */
.hospital { display: grid; gap: var(--s-6); }
.hospital__head { display: flex; flex-wrap: wrap; gap: var(--s-5); justify-content: space-between; align-items: end; }
.view-switch { display: inline-flex; border: var(--hairline) solid var(--line); border-radius: var(--radius-2); overflow: hidden; }
.view-switch__item { padding: var(--s-2) var(--s-4); text-decoration: none; color: var(--ink-muted); font-size: var(--text-sm); }
.view-switch__item[aria-current="page"] { background: rgba(127, 209, 200, 0.12); color: var(--ink); }
.view-switch__item:hover { color: var(--ink); }
.hospital__world { position: relative; height: clamp(22rem, 72dvh, 46rem); border-radius: var(--radius-3); overflow: hidden; background: #0b1c20; border: var(--hairline) solid var(--line); }
.hospital__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; outline-offset: -3px; cursor: crosshair; }
.hospital__world[data-locked="1"] .hospital__canvas { cursor: none; }
.hospital__hud { position: absolute; inset: 0; pointer-events: none; display: grid; grid-template-rows: auto 1fr auto; padding: var(--s-4); }
.hospital__hud > * { pointer-events: auto; }
.hospital__where { justify-self: start; color: var(--accent-300); }
.hospital__keys { position: absolute; left: var(--s-4); bottom: var(--s-4); display: flex; gap: var(--s-4); flex-wrap: wrap; }
.hospital__keys kbd { font: inherit; font-family: var(--font-mono); border: var(--hairline) solid var(--line); border-radius: 4px; padding: 0 0.35em; margin-right: 2px; }
.hospital__keys-touch { display: none; }
.hospital__world[data-input="touch"] .hospital__keys span { display: none; }
.hospital__world[data-input="touch"] .hospital__keys-touch { display: inline; }
.hospital__view { position: absolute; top: var(--s-4); right: var(--s-4); }
.hospital__room { position: absolute; right: var(--s-4); bottom: var(--s-4); width: min(22rem, calc(100% - 2 * var(--s-4))); display: grid; gap: var(--s-2); animation: stagger-in var(--dur-2) var(--ease-out) both; }
.hospital__room-title { font-size: var(--text-xl); margin: 0; }
.joystick { position: absolute; top: 0; left: 0; width: 96px; height: 96px; margin: -48px 0 0 -48px; border-radius: 50%; border: var(--hairline) solid rgba(228, 220, 203, 0.35); background: rgba(11, 28, 32, 0.5); }
.joystick__knob { position: absolute; left: 50%; top: 50%; width: 40px; height: 40px; margin: -20px 0 0 -20px; border-radius: 50%; background: rgba(127, 209, 200, 0.6); }
.hospital__world[data-fallback] .hospital__canvas, .hospital__world[data-fallback] .hospital__hud { display: none; }
.hospital__world[data-fallback] { height: auto; padding: var(--s-5); }
.hospital__world[data-fallback] .viewer__status { position: static; }
.room-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-2); }
.room-list__item { display: grid; grid-template-columns: auto 1fr auto auto; gap: var(--s-3); align-items: center; padding: var(--s-2) 0; border-bottom: var(--hairline) solid var(--line); }
.room-list__go { border: var(--hairline) solid var(--line); background: transparent; color: var(--ink); border-radius: var(--radius-1); padding: var(--s-1) var(--s-2); cursor: pointer; }
.room-list__go:hover, .room-list__go:focus-visible { border-color: var(--accent-300); color: var(--accent-300); }
.room-list__item[data-state="none"] .room-list__name { color: var(--ink-faint); }
@media (max-width: 48rem) { .room-list__item { grid-template-columns: auto 1fr auto; } .room-list__item .btn { grid-column: 2 / -1; justify-self: start; } }

/* --- campaign hub: the dive-through body --- */
.hub__stage { position: relative; aspect-ratio: 3 / 4; width: min(100%, 32rem); max-height: 70dvh; margin-inline: auto; }
.hub__stage .viewer--hub { position: absolute; inset: 0; z-index: 1; }
.hub__stage .viewer--hub .viewer__stage { height: 100%; max-height: none; }
.hub__stage .hub__plate { position: absolute; inset: 0; transition: opacity var(--dur-3) var(--ease-out); }
.hub__stage .hub__plate.is-replaced { opacity: 0; pointer-events: none; }
.hub__stage .hub__plate .plate { width: 100%; max-height: 100%; }
.viewer--hub .viewer__bar { position: absolute; top: var(--s-3); right: var(--s-3); z-index: 2; }
.viewer--hub .legend { display: none; }
.hub__hint { text-align: center; margin-top: var(--s-3); }
.viewer__label--layer { font-family: var(--font-display); font-size: var(--text-lg); color: var(--ink); letter-spacing: 0.01em; }
.layer-row { transition: background var(--dur-1), transform var(--dur-2) var(--ease-out); }
.layer-row:hover, .layer-row:focus-visible { transform: translateX(3px); }
@media (min-width: 64rem) { .campaign__plate { position: sticky; top: var(--s-5); } }

/* --- exam navigator --- */
.run--exam .run__grid { grid-template-columns: minmax(0, 1fr) minmax(16rem, 22rem); }
@media (max-width: 64rem) { .run--exam .run__grid { grid-template-columns: 1fr; } }
.exam-nav { display: grid; gap: var(--s-4); align-content: start; position: sticky; top: var(--s-4); }
.exam-nav__head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s-3); }
.exam-nav__grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(2.4rem, 1fr)); gap: 0.35rem; }
.exam-nav__cell { display: grid; place-items: center; aspect-ratio: 1; border: var(--hairline) solid var(--line); border-radius: var(--radius-1); text-decoration: none; color: var(--ink-muted); font-size: var(--text-xs); position: relative; transition: border-color var(--dur-1), background var(--dur-1), transform var(--dur-1); }
.exam-nav__cell:hover { border-color: var(--ink-muted); transform: translateY(-1px); }
.exam-nav__cell.is-answered { background: rgba(127, 209, 200, 0.16); border-color: rgba(127, 209, 200, 0.5); color: var(--ink); }
.exam-nav__cell.is-flagged::after { content: ""; position: absolute; top: 3px; right: 3px; width: 6px; height: 6px; border-radius: 50%; background: var(--gold-300); }
.exam-nav__cell.is-current { outline: 2px solid var(--accent-300); outline-offset: 1px; color: var(--ink-strong); }
.exam-nav__legend { display: flex; gap: var(--s-3); flex-wrap: wrap; }
.exam-nav__swatch { display: inline-block; width: 0.8rem; height: 0.8rem; border: var(--hairline) solid var(--line); border-radius: 3px; vertical-align: -1px; margin-right: 0.25rem; position: relative; }
.exam-nav__swatch.is-answered { background: rgba(127, 209, 200, 0.16); border-color: rgba(127, 209, 200, 0.5); }
.exam-nav__swatch.is-flagged::after { content: ""; position: absolute; top: 1px; right: 1px; width: 4px; height: 4px; border-radius: 50%; background: var(--gold-300); }
.exam-nav__actions { display: flex; justify-content: space-between; gap: var(--s-2); }
.exam-nav__actions [aria-disabled="true"] { opacity: 0.4; pointer-events: none; }
[data-flag][aria-pressed="true"] { border-color: var(--gold-300); color: var(--gold-300); }
.question.is-saving [data-submit] { opacity: 0.6; }
.question__saved { color: var(--accent-300); font-size: var(--text-xs); }

/* --- hospital: specimen labels and the minimap --- */
.hospital__labels, .hospital__leaders { position: absolute; inset: 0; pointer-events: none; }
.hospital__leaders { width: 100%; height: 100%; }
.minimap { position: absolute; top: var(--s-4); left: 50%; transform: translateX(-50%); width: clamp(5rem, 9vw, 8rem); aspect-ratio: 1 / 2.4; pointer-events: none; opacity: 0.85; }
.minimap .mm-corridor { fill: rgba(239, 233, 221, 0.08); stroke: rgba(239, 233, 221, 0.25); stroke-width: 0.12; }
.minimap .mm-room { fill: rgba(239, 233, 221, 0.04); stroke: rgba(239, 233, 221, 0.35); stroke-width: 0.12; }
.minimap .mm-room--ghost { fill: rgba(127, 209, 200, 0.25); }
.minimap .mm-room--translucent { fill: rgba(127, 209, 200, 0.45); }
.minimap .mm-room--solid { fill: rgba(242, 217, 166, 0.7); }
.minimap .mm-you { fill: var(--accent-300); stroke: #0b181b; stroke-width: 0.15; }
@media (max-width: 48rem) { .minimap { left: auto; right: var(--s-3); transform: none; width: 4.2rem; } .hospital__view { top: auto; bottom: var(--s-4); } }

/* --- the session plate --- */
.plate-section { display: grid; gap: var(--s-4); }
.plate-section__head { display: flex; justify-content: space-between; align-items: end; gap: var(--s-4); flex-wrap: wrap; }
.plate-canvas { width: min(100%, 34rem); height: auto; border: var(--hairline) solid var(--line); border-radius: var(--radius-2); box-shadow: var(--shadow-2); background: #0c1f24; }

.hero__figure { display: grid; gap: var(--s-3); justify-items: center; }
.hero__figure-foot { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: var(--s-3) var(--s-5); }
.hero__stage-caption { margin: 0; letter-spacing: var(--tracking-caps); text-transform: uppercase; font-size: var(--text-xs); color: var(--accent-300); transition: opacity var(--dur-2); }

.viewer__label.is-hovered { color: var(--ink-strong); }
.viewer__label.is-hovered .viewer__label-la { text-decoration: underline; text-decoration-color: var(--accent-300); text-underline-offset: 3px; }

/* --- decay hint: a label flickers once, like a lamp settling --- */
.viewer.is-decay-hint .viewer__label { animation: label-flicker 1.1s steps(1, end) 1; color: var(--gold-300); }
.viewer.is-decay-hint .viewer__leaders .leader { stroke: var(--gold-300); }
@keyframes label-flicker { 0%, 18%, 40% { opacity: 0.25; } 9%, 30%, 100% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .viewer.is-decay-hint .viewer__label { animation: none; } }

/* --- the exam clock strip: 2h30 as a line, the 60/40 split as its two segments --- */
.clock-strip { display: grid; gap: var(--s-1); margin-top: var(--s-4); }
.clock-strip__bar { display: flex; height: 1.6rem; border: var(--hairline) solid var(--line); border-radius: var(--radius-1); overflow: hidden; }
.clock-strip__seg { flex: 0 0 auto; display: grid; align-items: center; padding-inline: var(--s-2); font-size: var(--text-xs); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--ink-muted); background: rgba(239, 233, 221, 0.04); white-space: nowrap; overflow: hidden; }
.clock-strip__seg--bio { flex-basis: 60%; background: rgba(127, 209, 200, 0.14); color: var(--ink); border-right: var(--hairline) solid var(--line); }
.clock-strip__seg--rest { flex-basis: 40%; }
.clock-strip__ticks { display: flex; justify-content: space-between; font-size: var(--text-xs); color: var(--ink-faint); }