/* Interactive 3D model on hardware.html. Loaded after hardware.css. */
.model { margin:1.5rem 0 2rem; border:1px solid var(--line); border-radius:12px; background:var(--card); overflow:hidden; }
.model > header { display:flex; flex-wrap:wrap; align-items:baseline; justify-content:space-between; gap:.5rem 1rem; padding:.9rem 1.25rem .2rem; }
.model h2 { margin:0; padding:0; border:0; font-size:1.25rem; }
.model .hint { margin:0; color:var(--muted); font-size:.9rem; }
.model .stage { position:relative; height:min(30rem, 70vw); min-height:280px; background:var(--callout); margin-top:.6rem; }
.model .stage canvas { display:block; width:100%; height:100%; cursor:grab; touch-action:none; }
.model .stage canvas:active { cursor:grabbing; }
.model:not(.ready) .stage::after { content:"Loading model\2026"; position:absolute; inset:0; display:flex; align-items:center; justify-content:center; padding:1.5rem; text-align:center; color:var(--muted); font-size:.95rem; }
.model.failed .stage::after { content:attr(data-msg); }
.model .tip { position:absolute; z-index:2; pointer-events:none; display:flex; flex-direction:column; gap:.1rem; padding:.4rem .65rem; border-radius:8px; background:var(--fg); color:var(--bg); font-size:.85rem; line-height:1.3; white-space:nowrap; box-shadow:0 4px 14px rgba(0,0,0,.25); }
.model .tip[hidden] { display:none; }
.model .tip span { opacity:.75; font-size:.78rem; }
.model .caption { position:absolute; left:1rem; bottom:.8rem; margin:0; font-weight:700; font-size:.95rem; pointer-events:none; }
.model .caption span { margin-left:.4rem; color:var(--accent-dark); font:700 .75rem/1 ui-monospace, Menlo, monospace; letter-spacing:.06em; text-transform:uppercase; }
.model .controls { display:flex; flex-wrap:wrap; align-items:center; gap:.6rem 1.25rem; padding:.8rem 1.25rem; border-top:1px solid var(--line); }
.model .controls button { padding:.4rem .9rem; border:1px solid var(--line); border-radius:999px; background:var(--card); color:var(--fg); font:inherit; font-size:.9rem; font-weight:600; cursor:pointer; }
.model .controls button:hover { border-color:var(--accent-dark); }
.model .controls #play { background:var(--accent); border-color:var(--accent); color:#10130d; }
.model .controls label { display:flex; align-items:center; gap:.5rem; font-size:.9rem; color:var(--muted); }
.model .controls input[type=range] { width:9rem; accent-color:var(--accent-dark); }
.model .legend { display:flex; flex-wrap:wrap; gap:.5rem; padding:0 1.25rem 1rem; }
.model .legend a { display:inline-flex; align-items:center; gap:.5rem; padding:.3rem .75rem; border:1px solid var(--line); border-radius:999px; color:var(--fg); font-size:.88rem; font-weight:600; text-decoration:none; }
.model .legend a[hidden] { display:none; }
.model .legend a i { width:.7rem; height:.7rem; border-radius:50%; }
.model .legend a span { color:var(--muted); font-weight:500; font-size:.8rem; }
.model .legend a:hover, .model .legend a.on { border-color:var(--accent-dark); background:var(--chip-bg); }
.model .seg { display:inline-flex; padding:.15rem; border:1px solid var(--line); border-radius:999px; background:var(--card); }
.model .seg label { position:relative; padding:.3rem .85rem; border-radius:999px; color:var(--muted); font-size:.9rem; font-weight:600; cursor:pointer; }
.model .seg input { position:absolute; opacity:0; inset:0; margin:0; cursor:pointer; }
.model .seg label:has(input:checked) { background:var(--accent); color:#10130d; }
.model .seg label:has(input:focus-visible) { outline:2px solid var(--accent-dark); outline-offset:2px; }
.model .handnote { color:var(--muted); font-size:.82rem; }