:root{--bg:#f6f7f9;--surface:#fff;--text:#1b1f24;--muted:#5b6470;--border:#dde1e6;--accent:#c91a09;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#111418;--surface:#1a1f25;--text:#e8ebef;--muted:#9aa4b0;--border:#2b323a;--accent:#ff5a47}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}.shell{flex-direction:column;min-height:100vh;display:flex}.topbar{background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:24px;padding:10px 16px;display:flex}.brand{letter-spacing:-.02em;color:var(--accent);font-weight:800}.topbar nav{gap:16px;display:flex}.topbar nav a{color:var(--muted);font-weight:500;text-decoration:none}.topbar nav a.active{color:var(--text)}.spacer{flex:1}.badge{border:1px solid var(--border);color:var(--muted);border-radius:999px;padding:2px 8px;font-size:12px}main{width:100%;max-width:1200px;margin:0 auto;padding:24px 16px}h1{margin:0 0 8px;font-size:22px}.muted{color:var(--muted)}.status{background:var(--surface);border:1px solid var(--border);border-radius:8px;grid-template-columns:max-content 1fr;gap:4px 16px;width:fit-content;margin-top:24px;padding:12px 16px;display:grid}.status dt{color:var(--muted)}.status dd{margin:0;font-family:ui-monospace,monospace}.viewport{background:var(--surface);border:1px solid var(--border);border-radius:8px;height:min(60vh,520px)}.signin{place-items:center;min-height:100vh;display:grid}@media (width<=600px){.topbar{flex-wrap:wrap;gap:12px}}h2{margin:28px 0 8px;font-size:16px}.count{color:var(--muted);font-size:13px;font-weight:400}.error{color:var(--accent)}.small{font-size:12px}.mono{font-family:ui-monospace,monospace}.num{text-align:right;font-variant-numeric:tabular-nums}.center{place-items:center;display:grid}.filters{flex-wrap:wrap;align-items:center;gap:8px 16px;margin-bottom:12px;font-size:14px;display:flex}.filters select{max-width:280px;margin-left:6px}.pill{border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;text-transform:capitalize;border-radius:999px;padding:3px 12px}.pill.on{background:var(--text);color:var(--bg)}.swatches{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px;display:grid}.swatch{text-align:left;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:6px;grid-template-rows:auto auto;grid-template-columns:28px 1fr;column-gap:8px;padding:6px;display:grid}.swatch.selected{outline:2px solid var(--accent);outline-offset:-1px}.swatch .chip{background:var(--c);border-radius:4px;grid-row:span 2;width:28px;height:28px;box-shadow:inset 0 0 0 1px #00000026}.swatch .chip.trans{background:linear-gradient(var(--c), var(--c)), repeating-conic-gradient(#bbb 0 25%, #fff 0 50%) 0 0 / 10px 10px;background-blend-mode:multiply}.swatch-name{text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:600;overflow:hidden}.swatch-meta{color:var(--muted);font-size:11px}.parts-layout{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);align-items:start;gap:16px;display:grid}.parts-table{border:1px solid var(--border);background:var(--surface);border-radius:8px;max-height:520px;overflow:auto}.parts-table table{border-collapse:collapse;width:100%;font-size:13px}.parts-table th{background:var(--surface);text-align:left;font-weight:600;position:sticky;top:0}.parts-table th,.parts-table td{border-bottom:1px solid var(--border);white-space:nowrap;padding:6px 10px}.parts-table tbody tr{cursor:pointer}.parts-table tbody tr:hover{background:var(--bg)}.parts-table tr.selected{background:var(--bg);box-shadow:inset 3px 0 0 var(--accent)}@media (width<=800px){.parts-layout{grid-template-columns:1fr}}button,.button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;padding:6px 12px;font-size:14px;text-decoration:none;display:inline-block}button:disabled{opacity:.5;cursor:not-allowed}button.primary,.button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button.danger{color:var(--accent)}button.link{color:var(--accent);background:0 0;border:0;padding:0;text-decoration:underline}input,select,textarea{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:5px 8px;font-size:14px}.ok{color:#2e7d32}h3{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:18px 0 6px;font-size:13px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px 16px}.panel.narrow{max-width:520px}.field{flex-direction:column;gap:4px;margin-bottom:8px;font-size:13px;display:flex}.row{gap:8px;display:flex}.row .field{flex:1}.check{align-items:center;gap:6px;margin:4px 0;font-size:13px;display:flex}.slider{grid-template-columns:80px 1fr 48px;align-items:center;gap:8px;font-size:13px;display:grid}.slider output{text-align:right;font-variant-numeric:tabular-nums;color:var(--muted)}.actions{flex-wrap:wrap;align-items:center;gap:8px;margin:12px 0;display:flex}.studio-layout{grid-template-columns:300px minmax(0,1fr);align-items:start;gap:16px;display:grid}.preview{min-width:0}.mosaic-canvas{max-width:100%;height:auto;image-rendering:pixelated;border-radius:6px;display:block}.dropzone{border:2px dashed var(--border);text-align:center;cursor:pointer;background:var(--surface);border-radius:10px;place-content:center;min-height:360px;padding:24px;display:grid}.stats-bar{flex-wrap:wrap;gap:16px;margin:10px 0;font-size:14px;display:flex}.usage{flex-wrap:wrap;gap:4px;display:flex}.usage-chip{align-items:center;gap:6px;padding:2px 8px;font-size:12px;display:inline-flex}.dot{vertical-align:middle;border-radius:50%;width:12px;height:12px;display:inline-block;box-shadow:inset 0 0 0 1px #0003}.build-head{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.tabs{gap:6px;margin:12px 0;display:flex}.viewport.tall{height:min(70vh,640px)}.stepper{flex-wrap:wrap;align-items:center;gap:8px;margin:10px 0;display:flex}.stepper input[type=range]{flex:1;min-width:160px}.step-label{color:var(--muted);min-width:260px;font-size:13px}.flat-view{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px}.bom{max-height:none}.cards{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-top:12px;display:grid}.card{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;flex-direction:column;gap:4px;padding:12px;text-decoration:none;display:flex}.card:hover{border-color:var(--accent)}.footer-note{margin-top:32px}@media (width<=800px){.studio-layout{grid-template-columns:1fr}}.small-zone{min-height:200px}.warnings{color:#b26a00;margin:6px 0;padding-left:18px;font-size:13px}.inline{align-items:center;gap:6px;font-size:13px;display:inline-flex}.edit-tools{flex-direction:column;gap:6px;margin-bottom:8px;display:flex}.tool-row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.usage-chip.picked{outline:2px solid var(--accent)}.paint-wrap{max-width:100%;line-height:0;display:inline-block;position:relative}.paint-overlay{width:100%;height:100%;position:absolute;inset:0}.paint-overlay.active{cursor:crosshair;touch-action:none}.variants{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;display:grid}.variant{text-align:left;flex-direction:column;gap:4px;padding:6px;font-size:12px;display:flex}.variant canvas{width:100%;height:auto}.panel.owned,.panel.suggestions,.panel.diff{margin:12px 0}.owned .row input{flex:1}.owned-sets,.suggestions ul,.diff-list{margin:6px 0;padding:0;font-size:13px;list-style:none}.owned-sets li,.suggestions li{padding:3px 0}.diff-list{columns:2}.diff-list .add{color:#2e7d32}.diff-list .remove{color:var(--accent)}.parts-table tr.done td{color:var(--muted)}.set-head{align-items:center;gap:16px;display:flex}.set-thumb{border:1px solid var(--border);background:#fff;border-radius:8px;width:160px;height:auto}.scale-table{max-width:760px;margin:8px 0}@media (width<=600px){.set-head{flex-direction:column;align-items:flex-start}}.edit-bar{flex-direction:column;gap:6px;margin:8px 0;display:flex}.edit-bar select{max-width:260px}.instructions .page-frame{border:1px solid var(--border);background:#fff;border-radius:8px;width:100%;max-width:1100px;overflow:hidden}.instructions .page-frame img{width:100%;height:100%;display:block}.video-panel{flex-direction:column;gap:8px;margin:8px 0;display:flex}.video-panel video{background:#000;border-radius:6px;width:100%;max-width:960px}.progress{background:var(--bg);border:1px solid var(--border);border-radius:6px;height:22px;position:relative;overflow:hidden}.progress div{background:var(--accent);height:100%;transition:width .2s}.progress span{place-items:center;font-size:12px;font-weight:600;display:grid;position:absolute;inset:0}.video-panel .hq{border-top:1px solid var(--border);flex-direction:column;gap:8px;padding-top:8px;display:flex}