:root, [data-theme="scrubs"] {
  --bg: #061a1c; --bg2: #08221f; --card: #0c2a2a; --card2: #103433; --line: #1c4744;
  --text: #e6f6f3; --muted: #8fb3ad;
  --accent: #2dd4bf; --accent2: #0d9488; --accent-glow: rgba(13,148,136,.35); --accent-soft: rgba(45,212,191,.10); --on-accent: #00201c; --grad2: #a3e635;
  --glow1: rgba(45,212,191,.12); --glow2: rgba(163,230,53,.06);
  --red: #fb7185; --red2: #e11d48; --green: #22c55e; --amber: #f59e0b; --cyan: #22d3ee; --violet: #a78bfa;
  --mon: #020c0c; --shadow: 0 10px 30px rgba(0,0,0,.35); --r: 18px;
  --font: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
[data-theme="night"] {
  --bg: #0b1020; --bg2: #0f172a; --card: #131c33; --card2: #1a2542; --line: #24314f;
  --text: #e8edf7; --muted: #8b98b4;
  --accent: #f43f5e; --accent2: #e11d48; --accent-glow: rgba(225,29,72,.35); --accent-soft: rgba(244,63,94,.08); --on-accent: #fff; --grad2: #f59e0b;
  --glow1: rgba(244,63,94,.10); --glow2: rgba(245,158,11,.04);
  --mon: #04070d; --r: 16px;
}
[data-theme="clinic"] {
  --bg: #f4f7fb; --bg2: #ffffff; --card: #ffffff; --card2: #f1f5fa; --line: #d9e1ec;
  --text: #0f172a; --muted: #5b6784;
  --accent: #2563eb; --accent2: #1d4ed8; --accent-glow: rgba(37,99,235,.25); --accent-soft: rgba(37,99,235,.08); --on-accent: #fff; --grad2: #06b6d4;
  --glow1: rgba(37,99,235,.08); --glow2: rgba(6,182,212,.06);
  --red: #e11d48; --green: #16a34a; --amber: #d97706;
  --mon: #0b1020; --shadow: 0 8px 24px rgba(15,23,42,.08); --r: 16px;
}
[data-theme="retro"] {
  --bg: #000000; --bg2: #030a03; --card: #041004; --card2: #071a07; --line: #0f3d12;
  --text: #b7ffb0; --muted: #5fae5a;
  --accent: #39ff14; --accent2: #1fbf06; --accent-glow: rgba(57,255,20,.30); --accent-soft: rgba(57,255,20,.08); --on-accent: #001a00; --grad2: #ffe600;
  --glow1: rgba(57,255,20,.07); --glow2: rgba(255,230,0,.03);
  --red: #ff4d4d; --amber: #ffcc00; --cyan: #00ffd5;
  --mon: #000; --r: 4px;
  --font: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}
[data-theme="sunset"] {
  --bg: #1a0f1f; --bg2: #21122a; --card: #2a1733; --card2: #341d3f; --line: #4a2a57;
  --text: #fbeefd; --muted: #c4a3cc;
  --accent: #fb923c; --accent2: #ea580c; --accent-glow: rgba(234,88,12,.35); --accent-soft: rgba(251,146,60,.10); --on-accent: #1f0a00; --grad2: #f472b6;
  --glow1: rgba(251,146,60,.12); --glow2: rgba(244,114,182,.08);
  --mon: #0d0710; --r: 22px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(1200px 600px at 85% -10%, var(--glow1), transparent 60%), radial-gradient(900px 500px at -10% 110%, var(--glow2), transparent 60%), var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; }
a { color: var(--cyan); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.center { text-align: center; }
.accent { color: var(--green); }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px;
  background: color-mix(in srgb, var(--bg2) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; background: none; border: 0; color: var(--text); cursor: pointer; text-align: left; padding: 0; }
.brand-icon { background: var(--accent2); border-radius: 12px; padding: 7px; font-size: 18px; box-shadow: 0 6px 18px var(--accent-glow); }
.brand strong { display: block; letter-spacing: .06em; font-size: .95rem; }
.brand small { color: var(--muted); font-size: .7rem; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn { background: var(--card2); border: 1px solid var(--line); color: var(--text); border-radius: 10px; width: 36px; height: 36px; cursor: pointer; font-size: 15px; }
.icon-btn:hover { border-color: var(--accent); }
.help-mobile { display: none; font-weight: 800; }
.xp-chip { display: flex; align-items: center; gap: 8px; background: var(--card2); border: 1px solid var(--line); border-radius: 999px; padding: 6px 10px; font-size: .75rem; font-weight: 700; }
.xp-mini { width: 50px; height: 6px; background: var(--line); border-radius: 9px; overflow: hidden; }
.xp-mini div { height: 100%; width: 0; background: linear-gradient(90deg, var(--violet), var(--cyan)); transition: width .6s; }

/* Buttons */
.btn { border: 0; border-radius: 12px; padding: 11px 18px; font-weight: 700; cursor: pointer; color: #fff; transition: transform .12s, filter .15s, box-shadow .15s; font-size: .92rem; }
.btn:hover { transform: translateY(-1px); filter: brightness(1.08); }
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 8px 12px; font-size: .78rem; }
.btn-lg { padding: 14px 24px; font-size: 1rem; }
.btn.full { width: 100%; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); box-shadow: 0 8px 22px var(--accent-glow); color: var(--on-accent); }
.btn-amber { background: linear-gradient(135deg, #fbbf24, #d97706); box-shadow: 0 8px 22px rgba(217,119,6,.3); color: #1b1300; }
.btn-cyan { background: linear-gradient(135deg, #22d3ee, #0891b2); box-shadow: 0 8px 22px rgba(8,145,178,.3); color: #001a20; }
.btn-ghost { background: var(--card2); border: 1px solid var(--line); color: var(--text); }
.btn[disabled] { opacity: .45; cursor: not-allowed; transform: none; }
.link-btn { background: none; border: 0; color: var(--muted); cursor: pointer; padding: 6px 0; font-size: .85rem; }
.link-btn:hover { color: var(--text); }
.link-btn.danger { color: var(--red); margin-top: 12px; }
.pill { background: var(--line); padding: 2px 8px; border-radius: 99px; font-size: .72rem; margin-left: 4px; }
.tag { display: inline-block; padding: 4px 10px; border-radius: 99px; font-size: .7rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; border: 1px solid var(--line); color: var(--muted); }
.tag-red { color: var(--red); background: rgba(244,63,94,.1); border-color: rgba(244,63,94,.3); }
.tag-amber { color: var(--amber); background: rgba(245,158,11,.1); border-color: rgba(245,158,11,.3); }
.tag-cyan { color: var(--cyan); background: rgba(34,211,238,.1); border-color: rgba(34,211,238,.3); }
.tag-green { color: var(--green); background: rgba(34,197,94,.1); border-color: rgba(34,197,94,.3); }

/* Views */
main { max-width: 1040px; margin: 0 auto; padding: 20px 16px 60px; }
.view { display: none; animation: fadeUp .35s ease; }
.view.active { display: block; }
.center-view.active { display: flex; flex-direction: column; align-items: center; text-align: center; padding-top: 40px; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.pulse-heart { font-size: 48px; animation: beat 1s infinite; }
@keyframes beat { 0%,100% { transform: scale(1); } 15% { transform: scale(1.2); } 30% { transform: scale(1); } }

/* Home */
.hero { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: stretch; margin-bottom: 20px; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.7rem); line-height: 1.1; margin: 12px 0; font-weight: 900; letter-spacing: -.02em; }
.grad { background: linear-gradient(90deg, var(--accent), var(--grad2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-cta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.player-card, .mode-card, .case-card, .panel, .brief-card, .puzzle, .modal-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow);
}
.player-card { padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.pc-row { display: flex; gap: 12px; align-items: center; }
.pc-avatar { font-size: 30px; background: var(--card2); border: 1px solid var(--line); border-radius: 14px; width: 54px; height: 54px; display: grid; place-items: center; }
.pc-rank { font-weight: 800; font-size: 1.1rem; }
.xp-bar { height: 10px; background: var(--line); border-radius: 99px; overflow: hidden; }
.xp-bar.big { height: 12px; margin-top: 8px; }
.xp-bar div { height: 100%; width: 0; background: linear-gradient(90deg, var(--violet), var(--cyan)); transition: width 1s cubic-bezier(.2,.8,.2,1); }
.pc-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-top: 4px; }
.pc-stats div { background: var(--card2); border: 1px solid var(--line); border-radius: 12px; padding: 8px 4px; text-align: center; }
.pc-stats strong { display: block; font-size: 1.05rem; }
.pc-stats span { font-size: .66rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }

.mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 24px; }
.mode-card { padding: 18px; display: flex; flex-direction: column; gap: 8px; }
.mode-card h3 { margin: 4px 0 0; }
.mode-card p { margin: 0 0 6px; flex: 1; }
.mode-top { display: flex; justify-content: space-between; align-items: center; }
.mode-card.daily { background: linear-gradient(160deg, rgba(245,158,11,.10), transparent 60%), var(--card); }
.mode-card.rush { background: linear-gradient(160deg, rgba(34,211,238,.10), transparent 60%), var(--card); }

.section-head { display: flex; justify-content: space-between; align-items: baseline; margin: 10px 0 12px; }
.section-head h2 { margin: 0; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.case-card { padding: 16px; display: flex; flex-direction: column; gap: 8px; position: relative; overflow: hidden; cursor: pointer; transition: transform .15s, border-color .15s; }
.case-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.case-card .cc-top { display: flex; justify-content: space-between; align-items: center; }
.case-card .cc-avatar { font-size: 28px; }
.case-card h4 { margin: 0; font-size: 1rem; line-height: 1.25; }
.case-card .cc-who { font-size: .8rem; color: var(--muted); }
.case-card .cc-stars { font-size: 1.05rem; letter-spacing: 2px; }
.diff { font-size: .7rem; color: var(--muted); font-weight: 700; }
.case-card.locked { cursor: not-allowed; }
.case-card.locked > *:not(.lock-overlay) { filter: blur(2px) grayscale(1); opacity: .5; }
.lock-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; font-weight: 800; }
.lock-overlay span { font-size: 28px; }
.case-card .new-badge { position: absolute; top: 10px; right: -30px; transform: rotate(35deg); background: var(--accent2); color: var(--on-accent); font-size: .62rem; font-weight: 900; padding: 3px 34px; }
.disclaimer { color: var(--muted); font-size: .75rem; text-align: center; margin-top: 28px; }

/* Briefing */
.brief-card { padding: 22px; max-width: 680px; margin: 8px auto 0; display: flex; flex-direction: column; gap: 14px; }
.brief-head { display: flex; gap: 14px; align-items: center; }
.brief-head h2 { margin: 6px 0 2px; }
.brief-head p { margin: 0; }
.brief-avatar { font-size: 42px; width: 72px; height: 72px; border-radius: 18px; display: grid; place-items: center; background: var(--card2); border: 1px solid var(--line); flex-shrink: 0; }
.brief-story { font-size: 1.05rem; line-height: 1.55; margin: 0; }
blockquote { margin: 0; padding: 12px 16px; border-left: 3px solid var(--amber); background: var(--card2); border-radius: 0 12px 12px 0; font-style: italic; }
blockquote cite { display: block; font-style: normal; color: var(--muted); font-size: .8rem; margin-top: 4px; }
.brief-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.brief-stats div { background: var(--card2); border: 1px solid var(--line); border-radius: 12px; padding: 10px; text-align: center; }
.brief-stats span { display: block; font-size: .68rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.brief-stats strong { font-family: 'JetBrains Mono', monospace; font-size: 1.1rem; }
.why-box { border: 1px dashed var(--line); border-radius: 12px; padding: 12px 14px; font-size: .9rem; }
.why-box p { margin: 6px 0; }
.why-box a { font-size: .78rem; }

/* Monitor */
.monitor { display: grid; grid-template-columns: 1fr 220px; gap: 0; background: var(--mon); border: 1px solid #1d2a44; border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow); color: #e8edf7; }
.monitor.alarm { animation: alarm 1s infinite; }
@keyframes alarm { 50% { box-shadow: 0 0 0 3px rgba(244,63,94,.7), var(--shadow); } }
.monitor-left { padding: 10px 12px; border-right: 1px solid #1d2a44; min-width: 0; }
#ecg { width: 100%; height: 110px; display: block; }
.vitals-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-top: 6px; }
.vital { font-family: 'JetBrains Mono', monospace; }
.vital span { display: block; font-size: .64rem; letter-spacing: .1em; opacity: .75; }
.vital strong { font-size: 1.55rem; line-height: 1; }
.vital.hr { color: #4ade80; }
.vital.bp { color: #f87171; }
.vital.spo2 { color: #22d3ee; }
.vital.rr { color: #fbbf24; }
.vital.bad strong { animation: blink .8s infinite; }
@keyframes blink { 50% { opacity: .3; } }
.monitor-right { padding: 12px; display: flex; flex-direction: column; gap: 6px; justify-content: center; }
.timer-label, .stab-label { font-size: .64rem; letter-spacing: .1em; opacity: .75; font-family: 'JetBrains Mono', monospace; display: flex; justify-content: space-between; }
.timer { font-family: 'JetBrains Mono', monospace; font-size: 2.1rem; font-weight: 700; color: #fb7185; line-height: 1; }
.timer.low { animation: blink .6s infinite; }
.stab-bar { height: 12px; background: #1d2a44; border-radius: 99px; overflow: hidden; }
.stab-bar div { height: 100%; width: 40%; background: var(--amber); transition: width .5s, background .5s; }
.score-line { display: flex; justify-content: space-between; font-size: .8rem; margin-top: 4px; }
.combo { color: var(--amber); font-weight: 800; }
.combo.pop { animation: pop .4s; }
@keyframes pop { 50% { transform: scale(1.4); } }

.patient-strip { display: flex; gap: 10px; align-items: center; margin: 12px 0; font-size: .85rem; color: var(--muted); }
.patient-strip b { color: var(--text); }
.puzzle { padding: 20px; }
.puzzle-head { display: flex; justify-content: space-between; align-items: center; }
.puzzle h3 { font-size: clamp(1.05rem, 2.4vw, 1.3rem); line-height: 1.4; margin: 12px 0 16px; }
.options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.opt { display: flex; gap: 10px; align-items: flex-start; text-align: left; background: var(--card2); border: 1px solid var(--line); color: var(--text); border-radius: 12px; padding: 14px; cursor: pointer; font-size: .92rem; line-height: 1.4; transition: border-color .15s, background .15s, transform .1s; }
.opt:hover:not([disabled]) { border-color: var(--accent); transform: translateY(-1px); }
.opt .k { flex-shrink: 0; width: 26px; height: 26px; border-radius: 8px; background: var(--line); display: grid; place-items: center; font-weight: 800; font-size: .8rem; }
.opt.right { border-color: var(--green); background: rgba(34,197,94,.12); }
.opt.right .k { background: var(--green); color: #fff; }
.opt.wrong { border-color: var(--red); background: rgba(244,63,94,.10); animation: shake .35s; }
.opt.wrong .k { background: var(--red); color: #fff; }
.opt[disabled] { cursor: default; opacity: .75; }
.opt.right[disabled], .opt.wrong[disabled] { opacity: 1; }
@keyframes shake { 20%,60% { transform: translateX(-5px); } 40%,80% { transform: translateX(5px); } }
.feedback { margin-top: 14px; padding: 14px; border-radius: 12px; font-size: .9rem; line-height: 1.5; }
.feedback.good { background: rgba(34,197,94,.10); border: 1px solid rgba(34,197,94,.35); }
.feedback.bad { background: rgba(244,63,94,.08); border: 1px solid rgba(244,63,94,.35); }
.feedback .ev { display: block; margin-top: 8px; font-size: .8rem; color: var(--muted); }
.feedback .sev { font-weight: 800; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; }
.bay-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 14px 0 6px; }
.bay { padding: 10px 6px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); text-align: center; font-size: .75rem; font-weight: 700; color: var(--muted); }
.bay.done { color: var(--green); border-color: rgba(34,197,94,.4); background: rgba(34,197,94,.08); }
.bay.now { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); animation: blink 1.6s infinite; }

/* Debrief */
.debrief-hero { text-align: center; }
.debrief-icon { font-size: 56px; }
.debrief-hero h2 { margin: 6px 0; font-size: 2rem; }
.stars { font-size: 2.4rem; letter-spacing: 6px; margin: 6px 0 16px; }
.stars span { display: inline-block; opacity: .2; transform: scale(.6); transition: all .4s cubic-bezier(.3,1.6,.5,1); }
.stars span.on { opacity: 1; transform: scale(1); }
.debrief-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.panel { padding: 18px; }
.panel p { margin: 6px 0 14px; }
.kv { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: .92rem; }
.kv strong { font-family: 'JetBrains Mono', monospace; }
.unlock-note { margin-top: 12px; padding: 10px; border-radius: 10px; background: rgba(167,139,250,.12); border: 1px solid rgba(167,139,250,.4); font-weight: 700; font-size: .88rem; }
.share-box { background: var(--card2); border: 1px solid var(--line); border-radius: 10px; padding: 10px; font-size: .82rem; white-space: pre-wrap; font-family: 'JetBrains Mono', monospace; }
.debrief-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin: 18px 0; }
.rev { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin-bottom: 10px; }
.rev-head { display: flex; justify-content: space-between; gap: 8px; font-weight: 800; }
.rev p { margin: 6px 0; font-size: .9rem; line-height: 1.5; }
.rev .yours { color: var(--red); }
.rev .best { color: var(--green); }
.rev a { font-size: .8rem; }
.big-number { font-family: 'JetBrains Mono', monospace; font-size: 4.5rem; font-weight: 700; color: var(--cyan); }
.rush-review { width: 100%; max-width: 720px; text-align: left; }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(2,6,23,.75); backdrop-filter: blur(4px); z-index: 60; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal-card { max-width: 560px; width: 100%; padding: 22px; max-height: 88vh; overflow: auto; }
.modal-head { display: flex; justify-content: space-between; align-items: center; }
.modal-head h3 { margin: 0; }
.guide { padding-left: 20px; line-height: 1.55; font-size: .92rem; }
.guide li { margin-bottom: 8px; }
.ach-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.ach { display: flex; gap: 10px; align-items: center; background: var(--card2); border: 1px solid var(--line); border-radius: 12px; padding: 10px; }
.ach .ai { font-size: 26px; }
.ach b { display: block; font-size: .88rem; }
.ach small { color: var(--muted); font-size: .74rem; }
.ach.locked { opacity: .4; filter: grayscale(1); }

/* Toasts & flash */
#toasts { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 80; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast { background: var(--card); border: 1px solid var(--violet); color: var(--text); padding: 10px 16px; border-radius: 12px; box-shadow: var(--shadow); font-weight: 700; font-size: .9rem; animation: toastIn .35s ease, toastOut .4s ease 3.1s forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateY(12px); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(12px); } }
#flash { position: fixed; inset: 0; pointer-events: none; z-index: 70; opacity: 0; }
#flash.red { animation: flashR .5s; }
#flash.green { animation: flashG .5s; }
@keyframes flashR { 0% { opacity: .35; background: var(--red); } 100% { opacity: 0; background: var(--red); } }
@keyframes flashG { 0% { opacity: .18; background: var(--green); } 100% { opacity: 0; background: var(--green); } }
.float-pts { position: fixed; z-index: 75; font-weight: 900; font-size: 1.3rem; color: var(--green); pointer-events: none; animation: floatUp 1s ease forwards; }
@keyframes floatUp { to { opacity: 0; transform: translateY(-50px); } }

/* Responsive */
@media (max-width: 860px) {
  .hero, .mode-grid, .debrief-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .brand small, .xp-chip { display: none; }
  .case-grid, .options, .ach-grid { grid-template-columns: 1fr; }
  .monitor { grid-template-columns: 1fr; }
  .monitor-left { border-right: 0; border-bottom: 1px solid #1d2a44; }
  .monitor-right { padding: 10px 12px; }
  .timer { font-size: 1.6rem; }
  .vital strong { font-size: 1.2rem; }
  .bay { font-size: .66rem; padding: 8px 2px; }
  .topbar-actions .btn-sm { display: none; }
  .help-mobile { display: inline-block; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Code Rush mode */
.rush-mode .bay-track { display: none; }
.rush-mode .vitals-row { opacity: .35; }

.tag-accent { color: var(--accent); background: var(--accent-soft); border-color: var(--accent); }
[data-theme="retro"] .monitor, [data-theme="retro"] .player-card, [data-theme="retro"] .case-card { box-shadow: 0 0 0 1px var(--line), 0 0 18px rgba(57,255,20,.08); }
[data-theme="retro"] h1, [data-theme="retro"] h2 { text-shadow: 0 0 12px rgba(57,255,20,.35); }

/* About */
.about { margin: 4px 0 26px; padding: 22px; border-radius: var(--r); border: 1px solid var(--line); background: linear-gradient(160deg, var(--accent-soft), transparent 55%), var(--card); box-shadow: var(--shadow); }
.about-head h2 { margin: 10px 0 6px; font-size: clamp(1.25rem, 2.6vw, 1.6rem); }
.about-head p { margin: 0 0 16px; max-width: 760px; line-height: 1.55; }
.about-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.about-card { background: var(--card2); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
.about-card .ai { font-size: 24px; }
.about-card h4 { margin: 6px 0 4px; }
.about-card p { margin: 0; font-size: .84rem; color: var(--muted); line-height: 1.5; }
.about-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 14px; }
.about-steps div { display: flex; gap: 8px; align-items: center; font-size: .84rem; }
.about-steps b { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--on-accent); font-size: .8rem; }
.about-credit { margin: 14px 0 0; }
@media (max-width: 860px) { .about-grid, .about-steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .about-grid, .about-steps { grid-template-columns: 1fr; } }

/* Theme picker */
.theme-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.theme-opt { border-radius: 14px; border: 2px solid var(--line); padding: 12px; cursor: pointer; text-align: left; color: #fff; font-family: inherit; }
.theme-opt.on { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.theme-opt b { display: block; font-size: .95rem; }
.theme-opt small { opacity: .8; font-size: .75rem; }
.theme-opt .sw { display: flex; gap: 4px; margin-top: 8px; }
.theme-opt .sw i { width: 18px; height: 18px; border-radius: 50%; display: inline-block; }

/* Voice caption */
#caption { position: fixed; left: 50%; bottom: 70px; transform: translateX(-50%); max-width: min(720px, calc(100% - 32px)); background: rgba(0,0,0,.78); color: #fff; padding: 10px 14px; border-radius: 12px; font-size: .88rem; line-height: 1.45; z-index: 65; pointer-events: none; opacity: 0; transition: opacity .25s; }
#caption.on { opacity: 1; }
#caption b { color: var(--accent); margin-right: 6px; }

/* Doctors */
.pc-avatar.photo { background-size: cover; background-position: center; width: 64px; height: 64px; border-radius: 16px; border: 2px solid var(--accent); }
.doc-pick { display: grid; grid-template-columns: auto 1fr 1fr; gap: 8px; align-items: center; }
.doc-opt { display: flex; align-items: center; gap: 8px; background: var(--card2); border: 2px solid var(--line); color: var(--text); border-radius: 12px; padding: 5px 8px 5px 5px; cursor: pointer; font-family: inherit; font-size: .78rem; font-weight: 700; }
.doc-opt img { width: 34px; height: 34px; border-radius: 9px; object-fit: cover; }
.doc-opt.on { border-color: var(--accent); background: var(--accent-soft); }
.case-card .cc-doc { position: absolute; right: 14px; bottom: 14px; width: 44px; height: 44px; border-radius: 12px; object-fit: cover; border: 2px solid var(--line); }
.brief-doc { display: flex; gap: 12px; align-items: center; background: var(--accent-soft); border: 1px solid var(--accent); border-radius: 14px; padding: 10px 12px; }
.brief-doc img { width: 72px; height: 72px; border-radius: 14px; object-fit: cover; flex-shrink: 0; }
.brief-doc div { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.brief-doc b { font-size: 1.05rem; }
.strip-doc { width: 34px; height: 34px; border-radius: 10px; object-fit: cover; border: 2px solid var(--accent); }
.debrief-top { display: flex; justify-content: center; align-items: center; gap: 14px; }
.debrief-doc { width: 84px; height: 84px; border-radius: 20px; object-fit: cover; border: 3px solid var(--accent); box-shadow: 0 8px 24px var(--accent-glow); }
.accent-link { color: var(--accent); font-weight: 700; margin-top: 6px; }
/* References */
.modal-card.wide { max-width: 820px; }
.ref-sec h4 { margin: 18px 0 8px; color: var(--accent); font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; }
.ref-sec ol { margin: 0; padding-left: 22px; }
.ref-sec li { margin-bottom: 10px; font-size: .86rem; line-height: 1.5; }
.ref-sec li a { font-size: .78rem; word-break: break-all; }
.ref-sec li .rn { display: block; color: var(--muted); font-size: .8rem; }
.ref-tag { display: inline-block; font-size: .68rem; padding: 1px 7px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); margin-left: 6px; }
@media (max-width: 520px) { .doc-pick { grid-template-columns: 1fr 1fr; } .doc-pick > span { grid-column: 1 / -1; } }