:root{--bg: #16171b;--panel: #1d1f24;--panel-2: #24262d;--line: #31343d;--text: #e6e7ea;--muted: #9a9daa;--accent: #2fff74;--accent-dim: #369052;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:13px/1.45 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.app{display:flex;height:100%}.panel{width:340px;flex:0 0 340px;background:var(--panel);border-right:1px solid var(--line);overflow-y:auto;padding:14px 16px 40px}.panel header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}h1{font-size:15px;margin:0;letter-spacing:.02em}h2{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 10px;font-weight:600}.status{font-size:11px;color:var(--muted)}.status.busy{color:var(--accent)}.status.error{color:#ff6b6b}.panel section{border-top:1px solid var(--line);padding:12px 0}.panel section:first-of-type{border-top:none}.row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.row>label{flex:0 0 96px;color:var(--muted);font-size:12px}.row.buttons{flex-wrap:wrap}input[type=range]{flex:1;accent-color:var(--accent);min-width:0}input[type=number],input[type=text],select{background:var(--panel-2);color:var(--text);border:1px solid var(--line);border-radius:5px;padding:4px 6px;font:inherit;font-size:12px;min-width:0}input[type=number]{width:68px;text-align:right}select,input.hex{flex:1}button.swatch{width:34px;height:24px;padding:0;flex:0 0 auto;border:1px solid var(--line);border-radius:5px;cursor:pointer;box-shadow:inset 0 0 0 1px #00000059}button.swatch:hover:not(:disabled){border-color:var(--text)}button.swatch:disabled{opacity:.4;cursor:default}.picker{position:fixed;z-index:50;width:226px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:10px;box-shadow:0 12px 30px #0000008c;display:flex;flex-direction:column;gap:8px}.picker .sv{position:relative;height:130px;border-radius:5px;cursor:crosshair;touch-action:none;border:1px solid var(--line)}.picker .hue{position:relative;height:12px;border-radius:999px;cursor:ew-resize;touch-action:none;border:1px solid var(--line);background:linear-gradient(to right,red,#ff0 17%,#0f0 33%,#0ff,#00f 67%,#f0f 83%,red)}.picker .sv:focus-visible,.picker .hue:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.picker .knob{position:absolute;width:13px;height:13px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #0009;transform:translate(-50%,-50%);pointer-events:none;top:50%}.picker .sv .knob{top:auto}.picker-row{display:flex;gap:6px;align-items:center}.picker-row .hex{flex:1}.picker-rgb{color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}.picker-swatches{display:grid;grid-template-columns:repeat(6,1fr);gap:5px}.picker-swatches .mini{height:20px;padding:0;border-radius:4px;border:1px solid var(--line);box-shadow:inset 0 0 0 1px #00000059;cursor:pointer}.picker-swatches .mini:hover{border-color:var(--text)}input[type=checkbox]{accent-color:var(--accent);width:15px;height:15px}button,.file-btn span{background:var(--panel-2);color:var(--text);border:1px solid var(--line);border-radius:5px;padding:5px 10px;font:inherit;font-size:12px;cursor:pointer;display:inline-block}button:hover:not(:disabled),.file-btn span:hover{border-color:var(--muted)}button.primary{background:var(--accent-dim);border-color:var(--accent-dim);color:#fff;font-weight:600}button.primary:hover{background:#3da864}button.small,.file-btn.small span{padding:4px 8px}button:disabled{opacity:.45;cursor:default}.gradient-bar{height:14px;border-radius:4px;border:1px solid var(--line);margin:0 0 8px;background-clip:padding-box}.stops .stop{display:flex;align-items:center;gap:6px;margin-bottom:6px}.stops .stop input.pos{width:52px;flex:0 0 52px}.stops .stop input.hex{flex:1 1 auto;min-width:0;font-variant-numeric:tabular-nums}.stops .stop button.remove{padding:3px 7px;line-height:1.2;color:var(--muted);flex:0 0 auto}.stops .stop button.remove:hover:not(:disabled){color:#ff6b6b;border-color:#ff6b6b}input.hex{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.02em}input.hex:focus{outline:none;border-color:var(--accent)}.stage{flex:1;display:flex;flex-direction:column;min-width:0}.stage-bar{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;border-bottom:1px solid var(--line);background:var(--panel)}.bg-toggle{display:flex;gap:4px}.bg-toggle button{text-transform:capitalize}.bg-toggle button.active{border-color:var(--accent);color:var(--accent)}.meta{font-size:11px;color:var(--muted)}.viewport{flex:1;display:grid;place-items:center;padding:22px;overflow:hidden}.viewport canvas{max-width:100%;max-height:100%;width:auto;height:auto;display:block}.viewport.dark{background:#0f1013}.viewport.light{background:#f2f2f4}.viewport.checker{background-color:#2a2c33;background-image:linear-gradient(45deg,#34363e 25%,transparent 25%,transparent 75%,#34363e 75%),linear-gradient(45deg,#34363e 25%,transparent 25%,transparent 75%,#34363e 75%);background-size:28px 28px;background-position:0 0,14px 14px}@media(max-width:760px){.app{flex-direction:column-reverse}.panel{width:100%;flex:1 1 auto;border-right:none;border-top:1px solid var(--line)}.stage{flex:0 0 46vh}}