.lab-page{max-width:1180px;margin:auto;padding:48px 24px 64px}.lab-page [hidden]{display:none!important}.lab-page h1,.lab-page h2,.lab-page h3{font-family:var(--font-serif)}.lab-intro{max-width:830px;margin-bottom:34px}.lab-intro h1{margin:18px 0;font-size:clamp(2.1rem,4.5vw,3.7rem);line-height:1.1}.lab-intro>p:last-child{color:var(--muted-foreground);max-width:690px;font-size:1.05rem;line-height:1.8}.lab-eyebrow{font:600 .7rem/1.5 var(--font-sans);text-transform:uppercase;letter-spacing:.12em;color:var(--primary)}.lab-eyebrow span{letter-spacing:.04em;border:1px solid var(--border);color:var(--foreground);border-radius:20px;margin-left:12px;padding:4px 9px;display:inline-block}.lab-brief{border-top:1px solid var(--border);grid-template-columns:1.4fr 1fr;gap:32px;padding:27px 0 30px;display:grid}.lab-brief h2{margin:8px 0;font-size:1.7rem}.lab-brief p:not(.lab-eyebrow){color:var(--muted-foreground);font-size:.88rem;line-height:1.7}.lab-brief-note{border-left:2px solid var(--primary);align-self:center;padding-left:22px}.lab-brief-note strong{font-size:.9rem}.lab-app{border:1px solid var(--border);background:var(--card);border-radius:18px;overflow:hidden;box-shadow:0 20px 60px #0000000c}.lab-toolbar{border-bottom:1px solid var(--border);align-items:center;gap:16px;padding:17px 24px;display:flex}.lab-toolbar>span:nth-child(2){color:var(--muted-foreground);margin-left:auto;font-size:.78rem}.lab-toolbar button{cursor:pointer;font-size:.75rem;text-decoration:underline}.lab-stepper{border-bottom:1px solid var(--border);grid-template-columns:repeat(6,1fr);gap:8px;padding:18px 24px;list-style:none;display:grid}.lab-stepper li{color:var(--muted-foreground);align-items:center;gap:6px;font-size:.66rem;line-height:1.4;display:flex}.lab-stepper li>span{border:1px solid var(--border);border-radius:50%;flex-shrink:0;place-items:center;width:23px;height:23px;font-size:.68rem;display:grid}.lab-stepper [aria-current]{color:var(--foreground);font-weight:700}.lab-stepper [aria-current]>span,.lab-stepper .is-done>span{background:var(--primary);color:var(--primary-foreground);border-color:var(--primary)}.lab-grid{grid-template-columns:1.2fr 1fr;display:grid}.lab-tank{color:#cde0e1;background:#092b33;flex-direction:column;min-width:0;display:flex}.lab-scene-label{align-items:center;gap:8px;padding:24px 24px 0;font-size:.75rem;display:flex}.lab-live-dot{background:#8dd7bd;border-radius:50%;width:7px;height:7px}.lab-art{margin:auto 0;position:relative;overflow:hidden}.lab-art img{aspect-ratio:1100/780;object-fit:contain;width:100%;height:auto;display:block}.lab-particles{pointer-events:none;position:absolute;inset:0}.lab-particles i{border:1px solid #d3f4f577;border-radius:100%;width:5px;height:5px;animation:5s linear infinite lab-bubble;position:absolute;bottom:31%;left:72%}.lab-particles i:nth-child(2){animation-delay:1s;left:73%}.lab-particles i:nth-child(3){animation-delay:2.7s;left:71%}.lab-particles i:nth-child(4){animation-delay:4s;left:72.5%}@keyframes lab-bubble{0%{opacity:0;transform:translateY(0)}20%{opacity:.7}to{opacity:0;transform:translateY(-100px)}}.lab-art[data-attention=true]{box-shadow:inset 0 -5px #e1a450}.lab-tank-status{border-top:1px solid #a6d1d62b;justify-content:space-between;gap:10px;margin:12px 24px 0;padding:18px 0;font-size:.76rem;display:flex}.lab-tank-status span{color:#9bb9be}.lab-tank-status strong{text-align:right;color:#e4f2f0;font-weight:500}.lab-caption{color:#9bb9be;padding:0 24px 20px;font-size:.65rem;line-height:1.5}.lab-console{flex-direction:column;justify-content:center;min-height:470px;padding:32px;display:flex}.lab-console h2{margin:12px 0 18px;font-size:1.65rem;line-height:1.22}.lab-console p{line-height:1.7}.lab-console p:not(.lab-eyebrow):not(.lab-score){color:var(--muted-foreground);font-size:.9rem}.lab-options{gap:10px;margin-top:22px;display:grid}.lab-options button{text-align:left;border:1px solid var(--border);cursor:pointer;border-radius:9px;align-items:flex-start;gap:12px;padding:14px;font-size:.87rem;line-height:1.5;transition:border-color .15s,background .15s;display:flex}.lab-options button:hover{border-color:var(--primary);background:var(--muted)}.lab-options button span{border:1px solid var(--border);min-width:22px;height:22px;color:var(--primary);border-radius:5px;place-items:center;font-size:.7rem;display:grid}.lab-primary,.lab-secondary{cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:16px;padding:12px 16px;font-size:.82rem;font-weight:600;line-height:1.5;display:inline-flex}.lab-primary{background:var(--primary);color:var(--primary-foreground);margin-top:24px}.lab-primary:hover{filter:brightness(.92)}.lab-secondary{border:1px solid var(--border)}.lab-secondary:hover{background:var(--muted)}.lab-small{margin-top:16px;font-size:.74rem!important;line-height:1.6!important}.lab-source{color:var(--primary);text-underline-offset:3px;margin-top:15px;font-size:.75rem;text-decoration:underline;display:inline-block}.lab-correction{border-left:2px solid var(--primary);background:var(--muted);margin-top:16px;padding:12px}.lab-score{font-family:var(--font-serif);font-size:2.6rem;line-height:1.3!important}.lab-result-actions{flex-wrap:wrap;gap:8px;margin-top:20px;display:flex}.lab-result-actions .lab-primary{margin:0}.lab-review{border-top:1px solid var(--border);padding:28px}.lab-review h2{font-size:1.6rem}.lab-review ol{grid-template-columns:1fr 1fr;gap:18px;margin-top:20px;list-style:none;display:grid}.lab-review li{border-left:2px solid var(--border);padding-left:15px;font-size:.82rem;line-height:1.65}.lab-review li strong{display:block}.lab-review li p{color:var(--muted-foreground);margin-top:5px}.lab-review .lab-review-mark{color:var(--primary);font-size:.72rem}.lab-notice{border:1px solid var(--border);background:var(--muted);padding:20px;font-size:.88rem;line-height:1.6}.lab-notice button{margin:12px 8px 0 0}#lab-undo{margin:16px 24px}.lab-overview{padding:55px 0}.lab-overview h2{margin-top:10px;font-size:2rem}.lab-overview-grid{grid-template-columns:repeat(3,1fr);gap:28px;margin-top:28px;display:grid}.lab-number{color:var(--primary);font-size:.72rem;font-family:var(--font-mono)}.lab-overview-grid h3{margin:7px 0;font-size:1.1rem}.lab-overview-grid p,.lab-reading p{color:var(--muted-foreground);font-size:.88rem;line-height:1.75}.lab-reading{border-top:1px solid var(--border);grid-template-columns:1fr 1fr;gap:48px;padding-top:28px;display:grid}.lab-reading h2{margin-bottom:15px;font-size:1.5rem;line-height:1.3}.lab-reading h3{margin-bottom:15px;font-size:1.2rem}.lab-reading p+p{margin-top:10px}.lab-reading a{color:var(--primary);text-underline-offset:3px;text-decoration:underline}.lab-reading ul{gap:12px;font-size:.8rem;line-height:1.6;list-style:none;display:grid}@media (width<=900px){.lab-grid{grid-template-columns:1fr}.lab-art{width:100%;max-width:600px;margin:auto}.lab-console{min-height:0;padding:26px}.lab-stepper{grid-template-columns:repeat(3,1fr);gap:12px}.lab-brief{grid-template-columns:1fr;gap:20px}.lab-overview-grid{grid-template-columns:1fr 1fr}}@media (width<=540px){.lab-page{padding:30px 16px}.lab-intro h1{font-size:2.1rem}.lab-toolbar{gap:10px;padding:14px}.lab-toolbar .lab-eyebrow{font-size:.6rem}.lab-stepper{padding:14px}.lab-stepper li{font-size:.6rem}.lab-console{padding:22px}.lab-console h2{font-size:1.5rem}.lab-overview-grid,.lab-reading,.lab-review ol{grid-template-columns:1fr}.lab-reading{gap:28px}.lab-tank-status{margin:0 16px}.lab-brief h2{font-size:1.5rem}.lab-review{padding:22px}}@media (prefers-reduced-motion:reduce){.lab-particles{display:none}}