:root{
  --bg:#f3f4f5;
  --card:#ffffff;
  --ink:#111419;
  --muted:#707985;
  --line:#e4e7ea;
  --red:#bf433a;
  --red-deep:#8f2d27;
  --muscle:#bd675d;
  --green:#55d86a;
  --green-deep:#1f7f37;
  --green-soft:#ecfaef;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}
body{overflow:hidden}
button{font:inherit}
.app-shell{height:100vh;height:100dvh;display:flex;flex-direction:column}
.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;flex:0 0 auto;z-index:30}
.brand-wrap{display:flex;align-items:center;gap:12px}
.mark{width:40px;height:40px;border-radius:12px;background:#101317;display:grid;place-items:center;overflow:hidden}.mark img{width:33px;height:33px;display:block;object-fit:contain}
.brand{font-size:14px;font-weight:850;letter-spacing:.12em}
.subbrand{font-size:10px;color:var(--muted);letter-spacing:.16em;margin-top:2px}
.top-actions{display:flex;gap:8px}
.ghost-btn{border:1px solid var(--line);background:#fff;color:#2b3138;border-radius:999px;padding:9px 14px;cursor:pointer;transition:.2s}
.ghost-btn:hover{border-color:#cbd0d6;background:#fafafa}
.content{min-height:0;flex:1;padding:18px}
.viewer-card{position:relative;height:100%;min-width:0;border:1px solid var(--line);border-radius:24px;background:#fff;overflow:hidden;box-shadow:0 12px 38px rgba(24,31,41,.06)}
#canvas-container{position:absolute;inset:0;background:radial-gradient(circle at 50% 42%,#fff 0%,#fbfbfb 52%,#f1f3f4 100%)}
#canvas-container canvas{width:100%;height:100%;display:block;cursor:grab;touch-action:none}
#canvas-container canvas:active{cursor:grabbing}
.viewer-copy{position:absolute;z-index:4;left:30px;top:28px;max-width:360px}
.eyebrow,.card-kicker{font-size:10px;font-weight:850;letter-spacing:.16em;color:var(--red)}
.viewer-copy h1{font-size:36px;line-height:1.01;letter-spacing:-.046em;margin:7px 0 11px;max-width:360px}
.viewer-copy p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}
.mode-toggle{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}
.mode-pill{border:1px solid var(--line);background:rgba(255,255,255,.92);color:#45505c;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:700;cursor:pointer;transition:.2s}
.mode-pill.active{background:#111419;color:#fff;border-color:#111419}
.search-card,.quickstart-card{margin-top:14px;padding:14px 15px;border:1px solid rgba(228,231,234,.95);border-radius:16px;background:rgba(255,255,255,.9);box-shadow:0 8px 24px rgba(20,24,30,.05);backdrop-filter:blur(8px)}
.search-title-row{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px}
.search-title{font-size:11px;font-weight:850;letter-spacing:.14em;color:#1d232b;text-transform:uppercase}
.search-row{display:flex;gap:8px}
.search-input{flex:1;min-width:0;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:#fff;color:#1d232b;font-size:13px;outline:none}
.search-input:focus{border-color:#b8c0c8;box-shadow:0 0 0 3px rgba(17,20,25,.05)}
.search-btn{border:none;background:#111419;color:#fff;border-radius:12px;padding:0 14px;font-size:12px;font-weight:700;cursor:pointer}
.search-results{margin-top:8px;display:flex;flex-direction:column;gap:6px;max-height:180px;overflow:auto}
.search-result{display:flex;justify-content:space-between;align-items:center;gap:8px;width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:12px;background:#fbfcfc;color:#2d353d;font-size:12px;font-weight:600;cursor:pointer;text-align:left}
.search-result small{color:#7b848e;font-weight:600}
.search-result:hover,.search-result:focus-visible{background:var(--green-soft);border-color:#cdeed4;outline:none}
.preset-grid{display:flex;flex-wrap:wrap;gap:8px}
.preset-chip{display:inline-flex;align-items:center;justify-content:center;padding:9px 10px;border-radius:12px;background:#f6f7f8;border:1px solid var(--line);font-size:11px;font-weight:700;color:#33404b;cursor:pointer;transition:.2s}
.preset-chip:hover,.preset-chip:focus-visible{background:#111419;color:#fff;border-color:#111419;outline:none}
.cta-row{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap;pointer-events:auto}
.cta-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:999px;text-decoration:none;font-size:12px;font-weight:750;transition:.2s;pointer-events:auto}
.cta-btn.primary{background:#111419;color:#fff;border:1px solid #111419}
.cta-btn.secondary{background:rgba(255,255,255,.92);color:#2d353d;border:1px solid var(--line)}
.cta-btn:hover{transform:translateY(-1px)}
.onboarding{position:absolute;inset:0;z-index:45;background:rgba(10,12,15,.28);display:flex;align-items:center;justify-content:center;padding:20px}
.onboarding-card{width:min(520px,100%);background:rgba(255,255,255,.98);border:1px solid rgba(225,230,233,.95);border-radius:24px;box-shadow:0 26px 80px rgba(18,24,30,.20);padding:24px}
.onboarding-kicker{font-size:11px;font-weight:850;letter-spacing:.14em;color:var(--red);margin-bottom:8px}
.onboarding-card h2{font-size:28px;line-height:1.05;letter-spacing:-.04em;margin:0 0 12px}
.onboarding-list{margin:0;padding-left:20px;color:#37414a;font-size:14px;line-height:1.6}
.onboarding-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.onboarding-btn{border:none;cursor:pointer}
.onboarding-secondary{padding:10px 14px}
body.general-mode .quickstart-card, body.general-mode .coverage-card{opacity:.68}
body.general-mode #main-eyebrow{color:#51606f}
.mobile-guide-toggle{display:none;margin-top:14px;border:1px solid var(--line);background:rgba(255,255,255,.92);color:#232a32;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:700;box-shadow:0 4px 14px rgba(0,0,0,.04);pointer-events:auto}
.coverage-card{margin-top:16px;padding:14px 15px;border:1px solid rgba(228,231,234,.95);border-radius:16px;background:rgba(255,255,255,.88);box-shadow:0 8px 24px rgba(20,24,30,.05);backdrop-filter:blur(8px)}
.coverage-title-row{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:8px}
.coverage-title{font-size:11px;font-weight:850;letter-spacing:.14em;color:#1d232b;text-transform:uppercase;margin-bottom:0}
.coverage-mini{font-size:10px;color:#7b848e;font-weight:600}
.coverage-copy{font-size:11px!important;line-height:1.45!important;color:#69727d!important;margin-bottom:10px!important}
.coverage-chips{display:flex;flex-wrap:wrap;gap:7px}
.coverage-chip{display:inline-flex;align-items:center;padding:6px 9px;border-radius:999px;background:#f5f7f8;border:1px solid var(--line);font-size:10px;font-weight:700;color:#4b5561;letter-spacing:.02em;cursor:pointer;transition:.2s}
.coverage-chip:hover,.coverage-chip:focus-visible{background:var(--green-soft);border-color:#bfe8c8;color:var(--green-deep);outline:none}
.coverage-chip.active{background:var(--green-soft);border-color:#9dd9aa;color:var(--green-deep);box-shadow:0 0 0 3px rgba(85,216,106,.12)}
.viewer-controls{position:absolute;z-index:8;left:28px;bottom:24px;display:flex;gap:8px;flex-wrap:wrap}
.pill{border:1px solid var(--line);background:rgba(255,255,255,.93);padding:10px 14px;border-radius:999px;color:#535b66;cursor:pointer;backdrop-filter:blur(10px);box-shadow:0 4px 18px rgba(0,0,0,.04);transition:.2s}
.pill.active{background:#111419;color:#fff;border-color:#111419}
.selection-key{position:absolute;z-index:7;right:24px;bottom:26px;display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.88);border:1px solid var(--line);padding:9px 11px;border-radius:999px;font-size:11px;color:#6f7782;backdrop-filter:blur(10px)}
.key-dot{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(85,216,106,.16),0 0 12px rgba(85,216,106,.35)}
.hidden{display:none!important}
.hover-label{position:absolute;z-index:20;pointer-events:none;background:#111419;color:#fff;font-size:11px;font-weight:750;padding:7px 9px;border-radius:8px;transform:translate(10px,-50%);box-shadow:0 6px 20px rgba(0,0,0,.15);max-width:260px}
.loader-wrap{position:absolute;inset:0;z-index:40;background:rgba(255,255,255,.94);display:flex;align-items:center;justify-content:center;gap:12px;color:#555;font-size:13px}
.spinner{width:20px;height:20px;border:2px solid #e2e4e7;border-top-color:var(--red);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.muscle-popout{position:absolute;z-index:25;top:22px;right:22px;width:min(390px,calc(100% - 44px));max-height:calc(100% - 44px);display:flex;flex-direction:column;background:rgba(255,255,255,.965);border:1px solid rgba(220,224,228,.95);border-radius:22px;box-shadow:0 24px 70px rgba(24,31,41,.18);backdrop-filter:blur(16px);overflow:hidden;animation:popIn .24s ease-out}
@keyframes popIn{from{opacity:0;transform:translateY(8px) scale(.985)}to{opacity:1;transform:none}}
.popout-header{padding:22px 22px 14px;display:flex;justify-content:space-between;gap:14px;align-items:flex-start;border-bottom:1px solid var(--line)}
.group-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 8px;border-radius:999px;background:var(--green-soft);color:var(--green-deep);font-size:10px;font-weight:850;letter-spacing:.08em;margin-bottom:10px}
.popout-header h2{font-size:27px;line-height:1.02;letter-spacing:-.04em;margin:0 0 7px;max-width:290px}
.subtitle{font-size:12px;color:#8b939c;margin:0;font-style:italic;line-height:1.4}
.close-btn{border:none;background:#f2f4f5;width:34px;height:34px;border-radius:50%;font-size:22px;line-height:1;color:#666;cursor:pointer;flex:0 0 auto}
.carousel-viewport{overflow:hidden;flex:1;min-height:0}
.carousel-track{height:100%;display:flex;transition:transform .35s cubic-bezier(.2,.75,.2,1);will-change:transform}
.info-card{width:100%;flex:0 0 100%;padding:22px 22px 20px;overflow:auto}
.card-number{font-size:11px;font-weight:850;color:#a2a8af;letter-spacing:.12em;margin-bottom:12px}
.info-card h3{font-size:20px;line-height:1.12;letter-spacing:-.025em;margin:8px 0 11px}
.info-card p{font-size:14px;line-height:1.58;color:#333a42;margin:0;white-space:pre-line}
.simple-note{margin-top:18px;padding:13px 14px;border-radius:12px;background:#f6f7f8;border:1px solid var(--line);font-size:12px;line-height:1.48;color:#68727d}
.pad-card{background:linear-gradient(180deg,#fff 0%,#fbfefb 100%)}
.pad-preview{display:flex;align-items:center;gap:8px;margin-top:20px;padding:13px;border:1px solid #dcefe0;background:var(--green-soft);border-radius:13px;color:#55705a;font-size:11px;font-weight:700}
.mini-pad{width:29px;height:22px;border-radius:6px;background:#30363b;color:#fff;display:grid;place-items:center;font-size:10px;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.pad-line{height:2px;flex:1;min-width:24px;background:linear-gradient(90deg,#b6c5b9,#7ba985)}
.clinical-note{margin-top:14px;font-size:11px;line-height:1.48;color:#7b858f;white-space:pre-line}
.carousel-footer{display:grid;grid-template-columns:42px 1fr 42px;align-items:center;gap:10px;border-top:1px solid var(--line);padding:12px 18px}
.nav-btn{height:36px;width:36px;border:1px solid var(--line);border-radius:50%;background:#fff;color:#333;cursor:pointer;font-size:17px;transition:.2s}
.nav-btn:hover{border-color:#bec6ce;background:#f8f9fa}
.dots{display:flex;justify-content:center;align-items:center;gap:7px}
.dot{width:7px;height:7px;border:0;padding:0;border-radius:50%;background:#d2d6da;cursor:pointer;transition:.2s}
.dot.active{width:20px;border-radius:999px;background:var(--green)}
.swipe-hint{text-align:center;font-size:10px;color:#a0a7af;padding:0 0 12px}
.footer-note{height:auto;min-height:36px;padding:8px 18px 10px;text-align:center;color:#8b939c;font-size:10px;line-height:1.4;flex:0 0 auto}

@media(max-width:900px){
  body{overflow:hidden}
  .topbar{height:64px;padding:0 12px}
  .mark{width:36px;height:36px}.mark img{width:30px;height:30px}
  .subbrand{display:none}
  .brand{font-size:12px}
  .top-actions{gap:4px}
  .ghost-btn{padding:7px 10px;font-size:11px}
  .content{padding:8px}
  .viewer-card{border-radius:18px}
  .viewer-copy{left:12px;top:12px;max-width:calc(100% - 24px)}
  .viewer-copy h1{font-size:24px;line-height:1.02;max-width:220px;margin-bottom:8px}
  .viewer-copy > p{font-size:11px;max-width:210px}
  .mobile-guide-toggle{display:inline-flex;align-items:center}
  .search-card,.quickstart-card,.coverage-card{display:none;margin-top:10px;padding:10px 11px;max-width:245px;max-height:36vh;overflow:auto}
  .search-card.mobile-open,.quickstart-card.mobile-open,.coverage-card.mobile-open{display:block}
  .coverage-copy{font-size:10px!important;line-height:1.4!important}
  .search-row{display:grid;grid-template-columns:1fr auto}
  .search-input{font-size:12px;padding:9px 10px}
  .search-btn{padding:0 12px}
  .search-results{max-height:120px}
  .coverage-mini{display:none}
  .coverage-chips{display:flex;flex-wrap:wrap;gap:6px;max-height:none;overflow:visible}
  .coverage-chip{font-size:9px;padding:6px 8px}
  .mode-toggle{gap:6px}.mode-pill{font-size:11px;padding:7px 10px}
  .viewer-controls{left:12px;bottom:12px;right:12px;gap:6px}
  .pill{padding:8px 10px;font-size:11px}
  .selection-key{display:none}
  .hover-label{display:none}
  .muscle-popout{top:auto;left:8px;right:8px;bottom:8px;width:auto;max-height:48%;border-radius:18px}
  .cta-row{display:none}
  .onboarding{padding:10px}
  .onboarding-card{padding:18px;border-radius:20px}
  .onboarding-card h2{font-size:24px}
  .onboarding-list{font-size:13px}
  .popout-header{padding:14px 15px 10px;gap:10px}
  .group-chip{font-size:9px;margin-bottom:8px}
  .popout-header h2{font-size:22px;max-width:220px}
  .subtitle{font-size:11px}
  .info-card{padding:16px 15px 16px}
  .info-card h3{font-size:18px}
  .info-card p{font-size:13px;line-height:1.5}
  .simple-note,.clinical-note,.pad-preview{font-size:11px}
  .carousel-footer{padding:8px 12px}
  .nav-btn{height:34px;width:34px}
  .swipe-hint{padding-bottom:8px}
  .footer-note{display:none}
}
@media(max-width:480px){
  .topbar{height:58px;padding:0 10px}
  .brand{font-size:11px}
  .ghost-btn{padding:6px 9px;font-size:10px}
  .viewer-card{border-radius:16px}
  .viewer-copy{left:10px;top:10px;max-width:calc(100% - 20px)}
  .viewer-copy h1{font-size:20px;max-width:180px}
  .viewer-copy > p{font-size:10px;max-width:180px}
  .mobile-guide-toggle{margin-top:10px;padding:7px 10px;font-size:11px}
  .search-card,.quickstart-card,.coverage-card{max-width:220px;max-height:32vh}
  .search-title{font-size:10px}
  .search-input{font-size:11px}
  .preset-grid{gap:6px}
  .preset-chip{width:100%;justify-content:flex-start;font-size:10px}
  .viewer-controls{left:10px;bottom:10px;right:10px;display:grid;grid-template-columns:repeat(3,1fr)}
  .pill{text-align:center;padding:9px 6px;font-size:10px}
  .muscle-popout{max-height:52%;left:6px;right:6px;bottom:6px}
  .popout-header h2{font-size:20px}
  .close-btn{width:32px;height:32px}
}