:root{--bg: #0f172a;--surface: #1e293b;--surface-2: #334155;--border: #475569;--text: #f1f5f9;--muted: #94a3b8;--accent: #38bdf8;--ok: #4ade80;--warn: #fbbf24;--err: #f87171;--radius: 12px}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-text-size-adjust:100%}#root{max-width:720px;margin:0 auto;padding:env(safe-area-inset-top) 16px calc(88px + env(safe-area-inset-bottom))}header{padding:24px 0 12px}header h1{margin:0;font-size:1.35rem;letter-spacing:-.01em}header p{margin:6px 0 0;color:var(--muted);font-size:.9rem}nav{position:fixed;left:0;right:0;bottom:0;display:flex;gap:2px;overflow-x:auto;padding:8px 8px calc(8px + env(safe-area-inset-bottom));background:#0f172af0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--border)}nav button{flex:1 0 auto;min-width:76px;padding:10px 8px;border:0;border-radius:10px;background:transparent;color:var(--muted);font:inherit;font-size:.72rem;cursor:pointer}nav button[aria-current=true]{background:var(--surface-2);color:var(--text)}nav button span{display:block;font-size:1.15rem;line-height:1.3}section.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}section.card h2{margin:0 0 4px;font-size:1.05rem}section.card .hint{margin:0 0 14px;color:var(--muted);font-size:.85rem}button.action{width:100%;padding:13px 16px;border:0;border-radius:10px;background:var(--accent);color:#06263a;font:inherit;font-weight:600;cursor:pointer}button.action:disabled{opacity:.5;cursor:not-allowed}button.action.secondary{background:var(--surface-2);color:var(--text)}.row{display:flex;gap:8px;margin-top:10px}.row>*{flex:1}.status{display:flex;align-items:center;gap:8px;font-weight:600;margin-bottom:8px}.status.pass{color:var(--ok)}.status.fail{color:var(--err)}.status.warn{color:var(--warn)}.status.idle{color:var(--muted)}dl.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:12px 0 0;font-size:.88rem}dl.kv dt{color:var(--muted)}dl.kv dd{margin:0;font-variant-numeric:tabular-nums;word-break:break-word}pre.out{margin:12px 0 0;padding:12px;max-height:340px;overflow:auto;background:#0b1220;border:1px solid var(--border);border-radius:8px;font-size:.76rem;line-height:1.5;white-space:pre-wrap;word-break:break-word}video,canvas.preview{width:100%;border-radius:10px;background:#000;display:block;margin-top:12px}label.field{display:block;margin-top:12px;font-size:.85rem;color:var(--muted)}label.field input,label.field select{width:100%;margin-top:4px;padding:10px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font:inherit}.compass-dial{width:150px;height:150px;margin:16px auto 0;border:2px solid var(--border);border-radius:50%;position:relative;display:grid;place-items:center}.compass-needle{width:4px;height:62px;background:linear-gradient(var(--err) 50%,var(--surface-2) 50%);border-radius:2px;transform-origin:center;transition:transform .12s linear}ul.notes{margin:12px 0 0;padding-left:18px;color:var(--muted);font-size:.84rem}ul.notes li{margin-bottom:5px}code.inline{background:var(--surface-2);padding:1px 5px;border-radius:4px;font-size:.85em}