@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{color-scheme:dark;--bg:#10151a;--panel:#171e25;--panel2:#1c252e;--line:#2b3742;--text:#eef1f4;--muted:#a8b5c0;--accent:#90decf;--amber:#edbf7b;--radius:16px;font-family:'DM Sans',system-ui,sans-serif;font-size:16px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.45}button,input,select{font:inherit}button,select{cursor:pointer}button{color:inherit}button:disabled{opacity:.5;cursor:wait}button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:hover{filter:brightness(1.12)}button:active{transform:translateY(1px)}a{color:var(--accent)}h1,h2,p{margin:0}h1,h2,.heading{font-family:Manrope,system-ui,sans-serif;font-weight:700}h1,h2{font-size:1.06rem}.topbar{height:82px;display:flex;justify-content:space-between;align-items:center;padding:0 38px;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:14px;font-family:Manrope,system-ui,sans-serif;font-size:1.25rem;font-weight:800;white-space:nowrap}.brand span{font-weight:400;color:var(--muted)}.brand svg{width:34px;stroke:var(--accent);fill:none;stroke-width:1.1}.project{font-size:.78rem;letter-spacing:.1em;color:var(--muted)}.studio{display:grid;grid-template-columns:340px minmax(0,1fr);max-width:1570px;margin:0 auto}.controls{border-right:1px solid var(--line);padding:28px 26px}.control-section{padding-bottom:26px;margin-bottom:25px;border-bottom:1px solid var(--line)}.section-label{display:flex;align-items:center;gap:12px;margin-bottom:18px}.section-label>span:first-child{color:#758795;font-size:.8rem;font-variant-numeric:tabular-nums;letter-spacing:.04em}.geometry-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.geometry-option{padding:12px 4px 10px;border-radius:10px;background:#1b242d;border:1px solid var(--line);font-size:.875rem;display:flex;align-items:center;flex-direction:column;gap:8px}.geometry-option[aria-pressed=true]{background:#233b3e;border-color:var(--accent);color:#b8f8ea}.geometry-option 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strong{color:#baf6e8;font-size:1.35rem;font-weight:500;white-space:nowrap}small{font-size:.75rem;font-weight:400;color:var(--muted)}.adjustment{font-size:.8rem;color:var(--amber);margin-top:10px;min-height:0}.adjustment:empty{display:none}summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between}summary::-webkit-details-marker{display:none}.material-section summary .section-label{margin:0}.material-intro{font-size:.875rem;line-height:1.5;color:var(--muted);margin:18px 0}.chevron{color:var(--muted)}details:not([open]) .chevron{transform:rotate(-90deg)}.control output{font-size:.8rem;color:var(--accent);white-space:nowrap}.range-ends{display:flex;justify-content:space-between;font-size:.75rem;color:#95a6b3}.material-result{margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:#111920;border-radius:8px;padding:12px;font-size:.8rem;color:var(--muted)}.material-result strong{font-size:1rem;color:var(--text);font-weight:500}.control-footer{display:flex;justify-content:space-between;gap:12px}.text-button{padding:3px 0;background:none;border:0;color:var(--muted);font-size:.875rem}.text-button:hover{color:var(--accent)}.workspace{padding:28px 30px 36px;min-width:0}.preview-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden}.preview-heading{display:flex;justify-content:space-between;align-items:center;padding:23px 25px 0;gap:16px}.eyebrow{font-size:.7rem;letter-spacing:.14em;color:#8fa3b3;display:block;margin-bottom:5px}.preview-heading h2{font-size:1.35rem}.model-tag{font-size:.76rem;color:#bdc9d2;border:1px solid #3d4b57;border-radius:30px;padding:5px 10px;white-space:nowrap}.view-grid{display:grid;grid-template-columns:minmax(0,1fr);padding:0 25px;gap:25px}.view-grid.comparing{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.lamp-stage{position:relative;margin:4px auto 0;max-width:510px;width:100%;aspect-ratio:1}.lamp-stage canvas{width:100%;height:100%;display:block}.lamp-stage #source-overlay{position:absolute;inset:0;pointer-events:none}.render-status{position:absolute;bottom:7%;left:50%;transform:translateX(-50%);color:#e5faf5;background:#101a20dc;border:1px solid #35564f;border-radius:20px;padding:5px 12px;font-size:.75rem;white-space:nowrap}.render-status[hidden]{display:none}.render-error{position:absolute;inset:10%;background:#17212bf2;display:flex;align-items:center;padding:28px;text-align:center;border:1px solid var(--amber);border-radius:12px}.render-error[hidden]{display:none}.view-caption{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:.76rem;color:#a9b9c5;min-height:26px;margin:0 0 12px}.view-caption>span:last-child{color:#85c7ba}.preview-toolbar{display:flex;justify-content:space-between;gap:12px;padding:10px 25px 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5px}.check-label{display:flex;align-items:center;gap:7px;cursor:pointer;max-width:130px}.check-label input{accent-color:var(--accent);width:16px;height:16px;flex:none}.section-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);margin-top:20px;padding:20px 25px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.subtle{color:var(--muted);font-size:.75rem}#section-drawing{width:100%;max-height:210px;display:block;margin:6px 0 4px}.dimension-metrics{display:grid;grid-template-columns:repeat(3,1fr) 1.1fr;gap:10px;border-top:1px solid var(--line);padding-top:16px;align-items:center}.dimension-metrics>div>span{font-size:.75rem;color:var(--muted);display:block;margin-bottom:4px}.dimension-metrics strong{font-size:1.25rem;font-weight:500;font-variant-numeric:tabular-nums}.depth-status{font-size:.8rem;text-align:right;color:var(--accent)}.depth-status.changed{color:var(--amber)}.model-notes{margin-top:19px;color:#a6b7c5;padding:0 5px;font-size:.875rem}.model-notes summary{min-height:32px;justify-content:flex-start;gap:14px}.model-notes>div{border-top:1px solid var(--line);margin-top:12px;padding-top:12px;max-width:850px}.model-notes p{margin-bottom:12px;line-height:1.6}.model-notes strong{color:#cad7df;font-weight:500}.reference-view[hidden]{display:none}.reference-image{aspect-ratio:1;display:flex;align-items:center}.reference-image img{width:100%;display:block}.reference-view p{font-size:.8rem;color:#a6b9c7;margin:4px 0 10px;line-height:1.5}.reference-view .text-button{font-size:.8rem;color:var(--accent)}.icon-button{font-size:1.3rem;line-height:1;background:none;border:0;color:var(--muted);padding:4px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:#2d4743;color:#e4fff6;border:1px solid #648e82;border-radius:10px;padding:12px 20px;font-size:.875rem;box-shadow:0 8px 30px #0007;z-index:20;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:90vw}.toast.visible{opacity:1;transform:translate(-50%,0)}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(min-width:1500px){.lamp-stage{max-width:560px}.studio{grid-template-columns:365px minmax(0,1fr)}}
@media(max-width:1150px){.studio{grid-template-columns:310px minmax(0,1fr)}.controls{padding:25px 20px}.workspace{padding:25px 20px}.light-controls{flex-wrap:wrap;gap:15px}.check-label{max-width:none}.preview-heading,.preview-toolbar{flex-wrap:wrap}.model-tag{font-size:.7rem}.preview-heading{gap:10px}.view-grid{padding:0 16px;gap:12px}.preview-toolbar{padding-left:16px;padding-right:16px}.dimension-metrics{grid-template-columns:repeat(3,1fr)}.depth-status{grid-column:1/-1;text-align:left}.light-controls>div:first-child{flex-wrap:wrap}.view-grid.comparing{grid-template-columns:1fr 1fr}.view-caption{align-items:flex-start}.comparing .view-caption{flex-wrap:wrap}}
@media(max-width:820px){.topbar{height:auto;min-height:76px;padding:18px 22px}.project{font-size:.65rem}.studio{display:flex;flex-direction:column}.controls{border-right:0;padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:22px}.control-section{margin:0}.geometry-section{grid-column:1/-1;padding-bottom:18px}.geometry-option{flex-direction:row;justify-content:center;padding:10px 6px}.geometry-option svg{width:45px;height:45px}.geometry-options{gap:12px}.control-footer{grid-column:1/-1;justify-content:flex-start;gap:30px}.workspace{padding:0 22px 28px}.lamp-stage{max-width:470px}.light-controls{flex-wrap:nowrap}.section-panel{margin-top:18px}.material-section{padding:0}.preview-heading{padding-top:20px}.dimension-metrics{grid-template-columns:repeat(3,1fr) 1.1fr}.depth-status{grid-column:auto;text-align:right}}
@media(max-width:520px){.topbar{padding:16px 18px}.brand{font-size:1.06rem;gap:9px}.brand svg{width:29px}.project{max-width:85px;text-align:right;line-height:1.6}.controls{padding:18px;grid-template-columns:1fr;gap:22px}.geometry-section,.control-footer{grid-column:auto}.geometry-option{flex-direction:column;gap:4px;font-size:.875rem}.geometry-options{gap:8px}.geometry-option svg{width:48px;height:48px}.section-label{margin-bottom:15px}.dimensions{padding-bottom:20px}.material-section{padding-bottom:20px}.material-intro{font-size:.875rem}.workspace{padding:0 12px 24px}.preview-heading{padding:18px 16px 0}.preview-heading h2{font-size:1.1rem}.model-tag{padding:4px 8px}.preview-toolbar{gap:12px;align-items:stretch;flex-wrap:wrap}.play-controls{flex:1}.play-controls select{flex:1}.pin-button{width:100%}.light-controls{padding:16px;display:grid;grid-template-columns:1fr 1fr}.light-controls>div:first-child{display:block}.light-controls select{margin-top:5px;width:100%}.check-label{grid-column:1/-1;max-width:none}.section-panel{padding:18px 15px}.section-heading{align-items:flex-start}.section-heading .subtle{max-width:90px;text-align:right}.dimension-metrics{grid-template-columns:repeat(3,1fr)}.dimension-metrics strong{font-size:1.1rem}.depth-status{grid-column:1/-1;text-align:left}.view-grid.comparing{grid-template-columns:1fr}.reference-view{border-top:1px solid var(--line);padding-top:10px}.reference-image{max-width:280px;margin:auto}.reference-view .view-caption{margin-bottom:4px}.reference-view{padding-bottom:12px}.model-notes{padding:0 7px}.preview-toolbar select{font-size:.8rem}.control-title{gap:12px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}
.number-wrap input{width:4.2ch}.geometry-option span{max-width:100%;overflow-wrap:anywhere}.control-title{flex-wrap:wrap}
@media(min-width:821px){.studio{grid-template-columns:minmax(310px,21.25rem) minmax(0,1fr)}}
.light-controls{flex-wrap:wrap}.brightness-control{min-width:10rem;max-width:16rem}.check-label{max-width:none}.light-controls>div:first-child{flex-wrap:wrap}