:root{--bg: #eef1f4;--panel: #ffffff;--ink: #12212f;--muted: #5b6b78;--line: #d9dfe5;--navy: #12324a;--accent: #0b6bcb;--accent-ink: #ffffff;--normal: #1c7a55;--normal-bg: #e2f3ec;--warning: #a35f0c;--warning-bg: #fdf0dc;--detected: #0b5cab;--detected-bg: #e1eefb;--danger: #b3261e;--danger-bg: #fbe5e3}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:IBM Plex Sans,Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5}h1,h2,h3{line-height:1.2;margin:0 0 .5rem}h1{font-size:1.9rem}h2{font-size:1.15rem}h3{font-size:1rem}p{margin:0 0 .75rem}.muted{color:var(--muted)}.navbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem clamp(1rem,4vw,2.5rem);background:var(--navy);color:#fff}.brand{color:#fff;text-decoration:none;font-weight:700;font-size:1.15rem}.nav-links{display:flex;gap:.25rem}.nav-link{color:#c9d8e4;text-decoration:none;padding:.4rem .8rem;border-radius:6px}.nav-link:hover{background:#ffffff1a}.nav-link.active{background:#fff;color:var(--navy);font-weight:600}.brand:focus-visible,.nav-link:focus-visible,.btn:focus-visible{outline:3px solid #7fd1c7;outline-offset:2px}.page{max-width:1240px;margin:0 auto;padding:1.5rem clamp(1rem,3vw,2rem) 3rem}.page-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:.5rem}.btn{display:inline-block;border:1px solid transparent;border-radius:8px;padding:.6rem 1.1rem;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-primary:hover:not(:disabled){background:#095aac}.btn-secondary{background:#fff;color:var(--ink);border-color:#b9c4cd}.btn-secondary:hover:not(:disabled){background:#f3f6f8}.btn-danger{background:#fff;color:var(--danger);border-color:#e2aaa6}.btn-danger:hover{background:var(--danger-bg)}.btn-small{padding:.25rem .7rem;margin-left:.75rem}.alert{padding:.7rem 1rem;border-radius:8px;margin-bottom:.9rem;border:1px solid}.alert-error{background:var(--danger-bg);border-color:#e2aaa6;color:#7d1a14}.alert-warning{background:var(--warning-bg);border-color:#ecc78f;color:#6f4108}.alert-info{background:var(--detected-bg);border-color:#a9cbee;color:#0a3f75}.notice{color:var(--muted);font-size:.92rem}.hero{padding:clamp(2rem,8vw,5rem) 0 2.5rem;max-width:720px}.hero h1{font-size:clamp(2.4rem,6vw,3.6rem);letter-spacing:-.02em;color:var(--navy)}.subtitle{font-size:1.25rem;font-weight:500;color:var(--accent)}.lead{font-size:1.1rem;color:var(--muted);max-width:52ch}.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}.home-notes{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;border-top:1px solid var(--line);padding-top:1.5rem;color:var(--muted)}.home-notes h3{color:var(--ink)}.analysis-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:1.25rem;align-items:start}.camera-view{position:relative;width:100%;background:#0d1a24;border-radius:12px;overflow:hidden}.camera-stage{position:absolute;top:0;right:0;bottom:0;left:0}.mirrored{transform:scaleX(-1)}.camera-video,.pose-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.camera-video{object-fit:fill}.camera-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:1rem;color:#e6eef4}.camera-placeholder .muted{color:#9db1c1;max-width:34ch}.controls{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.9rem}.tip{font-size:.9rem;margin-top:.6rem}.analysis-panel,.chart-card,.summary-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:1.1rem}.chart-card,.summary-card{margin-top:1.25rem}.chart-empty{padding:2rem 0;text-align:center}.rec-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--danger);margin-left:.4rem;animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{50%{opacity:.3}}.metric-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.6rem}.metric-card{border:1px solid var(--line);border-left-width:4px;border-radius:8px;padding:.55rem .7rem;background:#fbfcfd}.metric-card.level-normal{border-left-color:var(--normal)}.metric-card.level-warning{border-left-color:var(--warning)}.metric-card.level-detected{border-left-color:var(--detected)}.metric-top{display:flex;align-items:center;justify-content:space-between;gap:.4rem;min-height:1.4rem}.metric-label{font-size:.8rem;color:var(--muted)}.metric-value{font-size:1.4rem;font-weight:600;font-variant-numeric:tabular-nums}.metric-unit{font-size:.8rem;font-weight:400;color:var(--muted)}.metric-hint{font-size:.78rem;color:var(--muted)}.badge{font-size:.68rem;font-weight:700;padding:.1rem .4rem;border-radius:999px;white-space:nowrap}.badge-normal{background:var(--normal-bg);color:var(--normal)}.badge-warning{background:var(--warning-bg);color:var(--warning)}.badge-detected{background:var(--detected-bg);color:var(--detected)}.badge-idle{background:#e8ecef;color:var(--muted)}.save-state{margin-top:1rem;font-size:.92rem}.save-saved{color:var(--normal)}.save-error{color:var(--danger)}.save-saving{color:var(--muted)}.history-list{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.75rem}.history-item{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:.9rem 1rem}.history-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.history-actions{display:flex;gap:.5rem}.history-details{margin-top:.9rem;border-top:1px solid var(--line);padding-top:.9rem;overflow-x:auto}.results-table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:480px}.results-table th,.results-table td{text-align:left;padding:.4rem .6rem;border-bottom:1px solid var(--line)}.empty{text-align:center;padding:3rem 1rem;color:var(--muted)}@media (max-width: 900px){.analysis-layout{grid-template-columns:1fr}}@media (max-width: 520px){.navbar{flex-direction:column;align-items:flex-start}.metric-grid{grid-template-columns:repeat(2,1fr)}}@media (prefers-reduced-motion: reduce){.rec-dot{animation:none}}