.lab-page{padding-top:calc(var(--nav-h) + env(safe-area-inset-top,0))}
.lab-hero{padding:48px 0 32px;border-bottom:1px solid var(--border)}
.lab-hero h1{font-size:clamp(32px,5vw,48px);letter-spacing:-1px;margin:0 0 12px}
.lab-hero-lead{color:var(--muted);max-width:560px;margin:0 0 24px;font-size:17px}
.lab-bench-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
.lab-bench-card{
  padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface-2);
}
.lab-bench-card span{display:block;font-size:9px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;margin-bottom:4px}
.lab-bench-card strong{font-size:22px;font-weight:800;font-family:ui-monospace,Menlo,monospace}
.lab-section{padding:64px 0;border-bottom:1px solid var(--border)}
.lab-section:last-of-type{border-bottom:none}
.lab-section-head{margin-bottom:24px}
.lab-section-head h2{margin:8px 0 0;font-size:clamp(22px,3vw,28px)}
.lab-panel-full{border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;background:var(--surface)}
.lab-canvas-wide{width:100%;height:180px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg);display:block}
.lab-waterfall{height:220px;image-rendering:pixelated}

.lab-altitude-wrap{position:relative}
.lab-altitude-scroll{height:420vh}
.lab-altitude-sticky{
  position:sticky;top:calc(var(--nav-h) + 12px);height:calc(100vh - var(--nav-h) - 24px);
  display:flex;align-items:center;justify-content:center;padding:0 16px;
}
.lab-garage{
  width:100%;max-width:420px;border:1px solid var(--border-hi);border-radius:var(--radius-lg);
  background:var(--surface);overflow:hidden;
}
.lab-garage-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.lab-garage-head h3{margin:0;font-size:15px;font-weight:800}
.lab-garage-meta{font-family:ui-monospace,Menlo,monospace;font-size:13px;font-weight:700;text-align:right}
.lab-garage-meta small{display:block;font-size:10px;color:var(--muted);font-weight:600}
.lab-garage-floors{padding:12px}
.lab-floor{
  display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius);
  border:1px solid transparent;margin-bottom:6px;transition:background .2s,border-color .2s,opacity .2s;
  opacity:.35;
}
.lab-floor.active{opacity:1;border-color:var(--border-hi);background:var(--surface-2)}
.lab-floor-num{font-family:ui-monospace,Menlo,monospace;font-size:12px;font-weight:800;min-width:36px}
.lab-floor-bar{flex:1;height:4px;background:var(--border);border-radius:99px;overflow:hidden}
.lab-floor-bar span{display:block;height:100%;background:var(--text);width:0;transition:width .3s}
.lab-floor.active .lab-floor-bar span{width:100%}
.lab-scroll-hint{text-align:center;padding:24px 0;color:var(--muted);font-size:13px;font-weight:600}

.lab-attitude-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.lab-attitude-grid canvas{width:100%;min-height:280px;aspect-ratio:1;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg);display:block;touch-action:none}

.lab-status{
  font-size:11px;font-weight:700;margin:0 0 10px;padding:6px 10px;border-radius:8px;
  display:inline-block;font-family:ui-monospace,Menlo,monospace;
}
.lab-status-idle{color:var(--muted);border:1px solid var(--border);background:var(--surface-2)}
.lab-status-ok{color:var(--success);border:1px solid color-mix(in srgb,var(--success) 40%,var(--border));background:color-mix(in srgb,var(--success) 8%,transparent)}
.lab-status-demo{color:var(--text);border:1px solid var(--border-hi);background:var(--surface-2)}
.lab-status-err{color:var(--danger);border:1px solid color-mix(in srgb,var(--danger) 40%,var(--border))}
.lab-secure-notice{
  margin:16px auto 0;padding:12px 16px;border:1px solid var(--border-hi);border-radius:var(--radius);
  background:color-mix(in srgb,var(--surface) 95%,transparent);font-size:13px;color:var(--muted);
}
.lab-secure-notice p{margin:0}
.lab-canvas-touch{cursor:crosshair;touch-action:none;user-select:none}

.lab-ar-view{
  position:relative;width:100%;aspect-ratio:4/3;max-height:360px;border-radius:var(--radius-lg);
  overflow:hidden;border:1px solid var(--border);background:#000;
}
.lab-ar-view video{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s}
.lab-ar-view.active video{opacity:1}
.lab-ar-view:not(.active) .lab-ar-pin{opacity:.35}
.lab-ar-pin{
  position:absolute;left:50%;top:45%;transform:translate(-50%,-100%);
  display:flex;flex-direction:column;align-items:center;gap:4px;pointer-events:none;
}
.lab-ar-pin svg{width:40px;height:40px;color:var(--text);filter:drop-shadow(0 2px 8px rgba(0,0,0,.8))}
.lab-ar-pin span{font-size:11px;font-weight:800;background:var(--surface);border:1px solid var(--border-hi);padding:4px 10px;border-radius:999px}
.lab-ar-xr{position:fixed;inset:0;z-index:600;background:#000}
.lab-ar-xr canvas{width:100%;height:100%}

.lab-terminal{
  border:1px solid var(--border-hi);border-radius:var(--radius-lg);background:#0a0a0a;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.55;
  overflow:hidden;
}
[data-theme="light"] .lab-terminal{background:#111;color:#fafafa}
.lab-terminal-out{padding:16px 16px 8px;max-height:280px;overflow-y:auto;min-height:200px}
.lab-terminal-out .line{margin:0 0 4px;word-break:break-word}
.lab-terminal-out .prompt{color:var(--success)}
.lab-terminal-out .err{color:var(--danger)}
.lab-terminal-out .muted{color:#737373}
.lab-terminal-input{display:flex;border-top:1px solid var(--border);padding:10px 12px;gap:8px;align-items:center}
.lab-terminal-input span{color:var(--success);font-weight:700}
.lab-terminal-input input{
  flex:1;border:none;background:transparent;color:inherit;font:inherit;outline:none;
}

.lab-teaser{
  padding:48px 0;text-align:center;background:var(--surface);border-block:1px solid var(--border);
}
.lab-teaser p{color:var(--muted);max-width:480px;margin:0 auto 20px;font-size:15px}

@media(max-width:768px){
  .lab-bench-row{grid-template-columns:1fr}
  .lab-attitude-grid{grid-template-columns:1fr}
  .lab-altitude-scroll{height:360vh}
}