:root{--bg: #f4f2ee;--panel: #ffffff;--panel-2: #f8f7f4;--ink: #1d1f24;--muted: #6b6f78;--line: #e3e0da;--accent: #233a6b;--accent-ink: #ffffff;--gold: #c9a23a;--stage: #d9d5cc;--radius: 10px;--top-h: 52px;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #15171b;--panel: #1c1f25;--panel-2: #22262d;--ink: #e9e7e2;--muted: #979ca6;--line: #2e323a;--accent: #8fa8e0;--accent-ink: #10131a;--stage: #2a2d33;color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:var(--bg);color:var(--ink);font:13px/1.45 system-ui,-apple-system,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit;color:inherit}.muted{color:var(--muted)}.small{font-size:12px}.spacer{flex:1}[hidden]{display:none!important}#app{display:grid;grid-template-areas:"top top" "controls viewer";grid-template-columns:340px 1fr;grid-template-rows:var(--top-h) 1fr;height:100vh;height:100dvh}.topbar{grid-area:top}.viewer{grid-area:viewer}.controls{grid-area:controls}.topbar{display:flex;align-items:center;gap:12px;padding:0 14px;background:var(--panel);border-bottom:1px solid var(--line);padding-left:max(14px,env(safe-area-inset-left));padding-right:max(14px,env(safe-area-inset-right))}.brand{display:flex;align-items:center;gap:8px;font-weight:650;font-size:15px}.doc{display:flex;align-items:baseline;gap:10px;min-width:0;padding-left:14px;border-left:1px solid var(--line)}.doc-name{font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:32ch}.doc-meta{color:var(--muted);font-size:12px;white-space:nowrap;font-variant-numeric:tabular-nums}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:7px 12px;cursor:pointer;min-height:34px}.btn:hover{border-color:var(--muted)}.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:transparent}.btn.primary:hover{filter:brightness(1.08)}.btn.ghost{background:transparent}button:disabled{opacity:.5;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible,.wipe:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.controls{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.tabs{display:flex;gap:2px;padding:8px 10px 0;border-bottom:1px solid var(--line);background:var(--panel);position:sticky;top:0;z-index:2;overflow-x:auto;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}.tabs button{flex:1 0 auto;background:none;border:0;border-bottom:2px solid transparent;padding:8px 10px 9px;cursor:pointer;color:var(--muted);font-weight:550;white-space:nowrap}.tabs button.on{color:var(--ink);border-bottom-color:var(--accent)}.panel{padding:14px 16px 28px;overflow-y:auto;flex:1}.panel h3{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:20px 0 8px;font-weight:600}.panel h3:first-child{margin-top:2px}.drop{display:flex;flex-direction:column;align-items:center;gap:4px;border:1.5px dashed var(--line);border-radius:var(--radius);padding:18px 10px;text-align:center;cursor:pointer;color:var(--muted);transition:border-color .15s,background .15s}.drop strong{color:var(--ink);font-weight:600}.drop:hover,.drop.hover{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 7%,transparent)}.row{display:flex;gap:8px;align-items:center;margin-top:10px}.row.between{justify-content:space-between}.row input[type=url]{flex:1;min-width:0}input[type=url],select{background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:7px 9px;min-height:34px}.samples{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.sample{aspect-ratio:1;display:grid;place-items:center;padding:6px;min-width:0;overflow:hidden;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;cursor:pointer}.sample:hover{border-color:var(--muted)}.sample.on{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.sample img{max-width:100%;max-height:100%}.library-org{width:100%}#libraryCount{margin:-4px 0 8px}#libraryNote{margin:6px 0 8px}#libraryNote:empty{display:none}#libraryVariants{margin-top:8px}#libraryVariants[hidden]{display:none}.samples.library{max-height:300px;overflow-y:auto;margin-top:8px;padding:1px}.field{margin:10px 0}.field label{display:flex;justify-content:space-between;font-size:12.5px;margin-bottom:4px}.field output{color:var(--muted);font-variant-numeric:tabular-nums}input[type=range]{width:100%;accent-color:var(--accent);margin:0;height:22px}.check{display:flex;gap:8px;align-items:center;font-size:12.5px;margin:8px 0;cursor:pointer}input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px;margin:0}input[type=color]{width:30px;height:26px;padding:0;border:1px solid var(--line);border-radius:6px;background:none;cursor:pointer}input[type=color]::-webkit-color-swatch-wrapper{padding:2px}input[type=color]::-webkit-color-swatch{border:0;border-radius:4px}input[type=color]:disabled{opacity:.4;cursor:default}.chips{display:flex;gap:6px;flex-wrap:wrap}.chips button{background:var(--panel-2);border:1px solid var(--line);border-radius:999px;padding:4px 11px;cursor:pointer}.chips button.on{background:var(--accent);color:var(--accent-ink);border-color:transparent}.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--panel-2)}.seg button{border:0;background:transparent;padding:6px 12px;cursor:pointer;white-space:nowrap}.seg button+button{border-left:1px solid var(--line)}.seg button.on{background:var(--accent);color:var(--accent-ink)}.seg.full{display:flex}.seg.full button{flex:1}.seg.scroll{max-width:100%;overflow-x:auto;scrollbar-width:none}.seg.scroll::-webkit-scrollbar{display:none}.palette{list-style:none;padding:0;margin:12px 0 8px;display:grid;gap:6px}.palette li{display:grid;grid-template-columns:30px 1fr auto;gap:10px;align-items:center;padding:6px 8px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px}.palette .name{display:flex;flex-direction:column;min-width:0}.palette .name b{font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.palette .name code{font-size:11px;color:var(--muted)}.palette .pct{font-variant-numeric:tabular-nums;color:var(--muted);font-size:12px}.palette .bar{grid-column:1 / -1;height:3px;border-radius:2px;background:var(--line);overflow:hidden;margin-top:-2px}.palette .bar i{display:block;height:100%}.palette .relief{grid-column:1 / -1;justify-self:start}.seg.mini button{padding:3px 9px;font-size:12px}.backdrops{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.backdrops button{display:flex;flex-direction:column;gap:6px;align-items:stretch;padding:6px;cursor:pointer;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;font-size:12px}.backdrops button.on{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.backdrops .sw{height:38px;border-radius:5px;background-size:24px 24px}.exports{display:grid;grid-template-columns:1fr 1fr;gap:8px}.export{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;padding:10px 12px;background:var(--panel-2);border:1px solid var(--line);border-radius:10px;cursor:pointer}.export:hover{border-color:var(--accent)}.export span{color:var(--muted);font-size:11.5px}.details{display:grid;grid-template-columns:auto 1fr;gap:5px 14px;margin:0;font-size:12.5px}.details dt{color:var(--muted)}.details dd{margin:0;text-align:right;font-variant-numeric:tabular-nums}.details dd.warn{color:#c0612b}.sequence{margin:0;padding-left:22px;display:grid;gap:4px;font-size:12.5px}.sequence li::marker{color:var(--muted)}.sequence .dot{display:inline-block;width:10px;height:10px;border-radius:3px;vertical-align:-1px;margin-right:6px;border:1px solid rgba(0,0,0,.15)}.viewer{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}.viewbar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--line)}.panes{position:relative;flex:1;display:grid;gap:1px;background:var(--line);min-height:0}.panes[data-view=split]{grid-template-columns:1fr 1fr}.panes[data-view=split] .pane:not([data-pane=svg]):not([data-pane=stitched]){display:none}.panes[data-view=compare] .pane:not([data-pane=compare]),.panes[data-view=svg] .pane:not([data-pane=svg]),.panes[data-view=stitched] .pane:not([data-pane=stitched]),.panes[data-view=plan] .pane:not([data-pane=plan]){display:none}.pane{position:relative;overflow:hidden;cursor:grab;touch-action:none;background:var(--backdrop, radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--stage) 70%, white) 0, var(--stage) 70%));background-size:var(--backdrop-size, auto)}.pane.dragging{cursor:grabbing}.tag{position:absolute;top:10px;left:12px;z-index:2;pointer-events:none;font-size:10.5px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;background:color-mix(in srgb,var(--panel) 86%,transparent);color:var(--muted);padding:3px 9px;border-radius:999px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.tag.right{left:auto;right:12px}.stage{position:absolute;top:0;left:0;transform-origin:0 0;will-change:transform}.stage>img,.stage>canvas{position:absolute;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.stage>img{filter:drop-shadow(0 3px 6px rgba(0,0,0,.25))}.wipe{position:absolute;top:0;bottom:0;width:2px;left:50%;z-index:3;cursor:ew-resize;background:#ffffffe6;box-shadow:0 0 0 1px #00000040;touch-action:none}.wipe:before{content:"";position:absolute;top:0;right:-14px;bottom:0;left:-14px}.wipe-knob{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#1d1f24;box-shadow:0 2px 10px #00000059}.zoom{position:absolute;right:12px;bottom:12px;z-index:3;display:flex;background:color-mix(in srgb,var(--panel) 90%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:9px;overflow:hidden}.zoom button{background:none;border:0;padding:6px 11px;cursor:pointer;min-width:34px;min-height:32px}.zoom button+button{border-left:1px solid var(--line)}.busy{position:absolute;left:12px;bottom:12px;z-index:3;display:none;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:12px}.busy.on{display:flex}.spin{width:12px;height:12px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:absolute;left:50%;top:12px;transform:translate(-50%);z-index:4;display:flex;gap:10px;align-items:center;background:#fbe9e7;color:#8a1c10;border:1px solid #f1c1b9;border-radius:8px;padding:8px 8px 8px 12px;max-width:min(90%,520px)}.toast button{background:none;border:0;font-size:18px;line-height:1;cursor:pointer;color:inherit;padding:2px 6px}.simbar{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--panel);border-top:1px solid var(--line)}.simbar input[type=range]{flex:1}.simbar select{padding:4px 6px;min-height:30px}.icon{display:grid;place-items:center;width:34px;height:34px;flex:none;border-radius:50%;background:var(--accent);color:var(--accent-ink);border:0;cursor:pointer}.sim-chip{width:14px;height:14px;border-radius:4px;flex:none;border:1px solid rgba(0,0,0,.2)}.sim-count{font-variant-numeric:tabular-nums;color:var(--muted);font-size:12px;min-width:11ch;text-align:right}@media(max-width:860px){:root{--top-h: 48px}#app{grid-template-areas:"top" "viewer" "controls";grid-template-columns:1fr;grid-template-rows:var(--top-h) auto auto;height:auto}.brand-name,.doc-meta{display:none}.doc{border-left:0;padding-left:0}.topbar .btn .lbl{display:none}.topbar .btn{width:38px;padding:0}.viewer{position:sticky;top:0;z-index:5;height:56vh;height:56svh;min-height:300px;box-shadow:0 6px 16px -10px #0006}.viewbar{padding:6px 8px}.viewbar .seg button{padding:6px 10px}.panes[data-view=split]{grid-template-columns:1fr 1fr}.simbar{padding:6px 10px;gap:8px}.simbar select{display:none}.sim-count{min-width:0}.controls{border-right:0;min-height:60vh}.tabs{top:56svh;padding:4px 6px 0}.tabs button{padding:10px 12px}.panel{overflow:visible;padding-bottom:max(28px,env(safe-area-inset-bottom))}.zoom button{min-height:36px}.exports{grid-template-columns:1fr 1fr}}@media(max-width:380px){.exports{grid-template-columns:1fr}.samples{gap:6px}}