:root{--bg: radial-gradient( 1200px 800px at 20% -10%, #fef6ff 0%, #f4f7ff 35%, #eef5ff 60%, #e9f2ff 100% );--glass: rgba(255, 255, 255, .7);--border: rgba(0, 0, 0, .06);--shadow: 0 10px 25px rgba(0, 0, 0, .08);--ok: #2ecc71;--bad: #ff4d4f;--pill: #111827}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:#111827}.app-header{text-align:center;padding:28px 16px 8px}.app-header h1{margin:0 0 6px;font-weight:800;letter-spacing:.2px}.subtitle{margin:0;color:#6b7280}.layout{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;padding:18px;max-width:800px;margin:0 auto}.glass{background:var(--glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow)}.camera-card{padding:16px;display:flex;flex-direction:column;gap:14px}#canvas{width:100%;aspect-ratio:1 / 1;display:block;border-radius:14px;background-size:contain;background-repeat:no-repeat;background-position:center;border:1px solid var(--border)}.hud .progress-row{display:flex;align-items:center;gap:12px}progress{width:100%;height:12px}#timing{min-width:110px;text-align:right;font-variant-numeric:tabular-nums;color:#6b7280}.controls{display:flex;gap:10px;margin-top:8px}.controls button{flex:1;padding:10px 14px;font-weight:600;border:1px solid var(--border);border-radius:12px;background:#fff;cursor:pointer;transition:transform .05s ease,box-shadow .2s ease;box-shadow:0 2px #0000000f}.controls button:active{transform:translateY(1px)}.controls button:hover{transform:translateY(1px);background:#f3f4f6}.side-card{padding:16px;display:flex;flex-direction:column;gap:16px}.now-row{display:flex;align-items:center;gap:12px}.pill{background:#eef2ff;color:var(--pill);font-weight:700;padding:6px 10px;border-radius:999px;border:1px solid #e5e7eb}#movementImage{width:120px;height:140px;object-fit:contain;border:1px solid var(--border);border-radius:10px;background:#fff}.labels{display:flex;flex-wrap:wrap;flex-direction:column;gap:8px}.labels div{background:#fff;border:1px solid var(--border);border-radius:10px;padding:8px 10px;font-size:14px;color:#374151}.feedback{border-radius:14px;padding:14px 16px;font-size:18px;font-weight:800;text-align:center;border:1px solid var(--border);background:#fff;height:100%}.feedback.success{background:#eafff3;color:#065f46;box-shadow:0 0 0 3px #2ecc7133;animation:pop .3s ease}.feedback.fail{background:#fff1f2;color:#9f1239;box-shadow:0 0 0 3px #ff4d4f2e;animation:shake .42s ease}@keyframes pop{0%{transform:scale(.98)}to{transform:scale(1)}}@keyframes shake{10%,90%{transform:translate(-1px)}20%,80%{transform:translate(2px)}30%,50%,70%{transform:translate(-4px)}40%,60%{transform:translate(4px)}}@media (max-width: 900px){.layout{grid-template-columns:1fr}#canvas{aspect-ratio:4 / 3}}