.lab-intro { padding-top:10rem; padding-bottom:3rem; }
.lab-intro h1 { font:normal clamp(3rem,6vw,6rem)/1.04 var(--font-display); margin:1rem 0 2rem; }
.lab-intro em,.lab-copy em { color:var(--accent); }
.lab-intro nav { display:flex; gap:1.5rem; flex-wrap:wrap; margin-top:2rem; }
.lab-intro nav a { color:var(--forest); text-underline-offset:.4rem; }
.lab-section { display:grid; grid-template-columns:.85fr 1.15fr; align-items:center; gap:clamp(1.5rem,4vw,3.5rem); padding-top:var(--section); padding-bottom:var(--section); border-top:1px solid var(--line); scroll-margin-top:7rem; }
.lab-copy h2 { font:normal clamp(2.4rem,4vw,4.1rem)/1.1 var(--font-display); margin:1rem 0 1.5rem; }
.lab-copy p { line-height:1.8; }
.lab-current { color:var(--forest); font-weight:600; min-height:3.6em; margin:1.5rem 0 .4rem; }
.lab-stage { position:relative; overflow:hidden; isolation:isolate; border-radius:var(--radius); background:#e9e5dc; }
.lab-shirt { display:block; width:100%; height:auto; }
.lab-blend { position:absolute; inset:0; mix-blend-mode:multiply; }
.lab-patch { position:absolute; left:56%; top:24%; width:10%; height:auto; aspect-ratio:1; object-fit:contain; }
.lab-reveal { position:absolute; inset:0; overflow:hidden; opacity:0; will-change:transform; }
.lab-reveal-content { position:absolute; inset:0; isolation:isolate; will-change:transform; }
.lab-divider { position:absolute; inset:0; border-left:2px solid var(--accent); pointer-events:none; opacity:0; }
.lab-stamp { position:absolute; bottom:6%; width:100%; text-align:center; font:italic 1.2rem var(--font-display); }
.lab-counter { text-align:right; color:var(--muted); font-size:.8rem; letter-spacing:.2em; }
.lab-custom-scenes .lab-stage{aspect-ratio:1}
.lab-custom-scenes .lab-shirt{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.lab-custom-scenes .lab-patch{left:var(--patch-x,61%);top:var(--patch-y,29%);width:var(--patch-width,10%);height:auto;aspect-ratio:1;transform:translate(-50%,-50%) rotate(var(--patch-rotation,0deg));transform-origin:center}
.lab-custom-scenes .lab-blend{mix-blend-mode:var(--patch-blend,multiply)}
.lab-scene-picker{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1rem}
.lab-scene-picker button{display:flex;align-items:center;gap:.65rem;padding:.4rem .85rem .4rem .4rem;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font:600 .95rem var(--font-sans);cursor:pointer;min-height:56px}
.lab-scene-picker img{width:48px;height:48px;object-fit:contain;border-radius:4px}
.lab-scene-label{margin:0 0 .6rem;font-size:1rem;font-weight:600}
.lab-scene-picker button{max-width:100%;text-align:left;overflow-wrap:anywhere}
.lab-scene-thumb{position:relative;display:block;width:56px;height:56px;flex-shrink:0;overflow:hidden;border-radius:4px;isolation:isolate;background:var(--surface)}
.lab-scene-thumb>img{width:100%;height:100%}
.lab-scene-thumb-blend{position:absolute;inset:0;mix-blend-mode:var(--patch-blend,normal)}
.lab-scene-thumb .lab-scene-thumb-patch{position:absolute;left:var(--patch-x);top:var(--patch-y);width:var(--patch-width);height:auto;aspect-ratio:1;object-fit:contain;transform:translate(-50%,-50%) rotate(var(--patch-rotation));border-radius:0}
.lab-strip[hidden],.lab-strip button[hidden]{display:none}
.lab-scene-picker button[aria-pressed=true]{border-color:var(--forest);box-shadow:inset 0 0 0 1px var(--forest)}
.lab-scene-picker button:focus-visible,.lab-playback button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.lab-playback{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:.5rem}
.lab-playback button{font:500 .85rem var(--font-sans);color:var(--forest);background:transparent;border:0;text-decoration:underline;text-underline-offset:.25rem;min-height:44px;cursor:pointer}
.lab-scene-status{font-size:.85rem;line-height:1.5;color:var(--muted);min-height:1.5em;margin:0}
.lab-strip { position:relative; display:grid; grid-template-columns:repeat(8,1fr); gap:.4rem; margin-top:2rem; }
.lab-strip img { width:100%; height:auto; aspect-ratio:1; object-fit:contain; border:2px solid transparent; border-radius:.3rem; opacity:.5; }
.lab-strip img.is-current { opacity:1; border-color:var(--forest); }
.lab-note { color:var(--muted); font-size:.72rem; }
.lab-sources { padding-top:2rem; padding-bottom:5rem; border-top:1px solid var(--line); }
@media(max-width:760px) { .lab-section { grid-template-columns:1fr; gap:1.5rem; } .lab-intro { padding-top:8rem; } .lab-strip { max-width:400px; } }

.lab-strip button { position:relative; display:block; min-width:0; padding:0; border:0; border-radius:.3rem; background:transparent; cursor:pointer; }
.lab-strip button img { display:block; transform-origin:center; }
.lab-strip button:disabled { cursor:wait; }
.lab-strip button:focus-visible { outline:2px solid var(--accent); outline-offset:3px; }
.lab-strip button img.is-current, .lab-strip button[aria-pressed="true"] img { opacity:1; border-color:transparent; }
.lab-strip button.is-pending img { opacity:1; border-color:transparent; }
.lab-reticle { position:absolute; inset:0; pointer-events:none; z-index:2; opacity:0; transform-origin:center; }
.lab-reticle i { position:absolute; width:28%; height:28%; border:2px solid #d32f38; }
.lab-reticle i:nth-child(1) { top:0; left:0; border-right:0; border-bottom:0; border-top-left-radius:4px; }
.lab-reticle i:nth-child(2) { top:0; right:0; border-left:0; border-bottom:0; border-top-right-radius:4px; }
.lab-reticle i:nth-child(3) { bottom:0; left:0; border-right:0; border-top:0; border-bottom-left-radius:4px; }
.lab-reticle i:nth-child(4) { bottom:0; right:0; border-left:0; border-top:0; border-bottom-right-radius:4px; }
@media(max-width:480px) { .lab-strip:has(button) { grid-template-columns:repeat(6,1fr); } }