:root{--bg: oklch(.11 0 0);--surface: oklch(.155 0 0);--surface-2: oklch(.195 0 0);--surface-3: oklch(.24 0 0);--border: oklch(.28 0 0);--ink: oklch(.93 0 0);--muted: oklch(.65 .008 280);--primary: oklch(.66 .17 280);--primary-hover: oklch(.71 .17 280);--accent: oklch(.75 .14 75);--danger: oklch(.6 .19 25);--radius: 8px;--radius-sm: 6px;--z-linkbar: 10;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.5}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;padding:0}input,select{font:inherit;color:var(--ink);background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 9px;min-width:0}input:focus-visible,select:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:1px}.app{height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;min-width:0}.brand-name{font-size:15px;font-weight:600;letter-spacing:-.01em}.brand-sep{width:1px;height:18px;background:var(--border)}.tool-name{color:var(--muted);font-weight:500;white-space:nowrap}.btn{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:var(--radius-sm);font-weight:500;font-size:13px;border:1px solid var(--border);background:var(--surface-2);transition:background .15s ease-out,border-color .15s ease-out}.btn:hover{background:var(--surface-3)}.btn-primary{background:var(--primary);border-color:transparent;color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn:disabled{opacity:.6;cursor:default}a.btn{text-decoration:none}.top-actions{display:flex;align-items:center;gap:10px}.userchip{display:flex;align-items:center;gap:8px;padding:4px 6px 4px 5px;border:1px solid var(--border);border-radius:20px;background:var(--surface-2)}.avatar{width:22px;height:22px;border-radius:50%}.username{font-size:13px;font-weight:500;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.iconbtn{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:6px;color:var(--muted);transition:background .15s ease-out,color .15s ease-out}.iconbtn:hover{background:var(--surface-3);color:var(--ink)}.preset{display:flex;align-items:center;gap:4px}.preset-load{flex:1;text-align:left;padding:6px 8px;border-radius:var(--radius-sm);font-size:13px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:background .15s ease-out}.preset-load:hover{background:var(--surface-2)}.linkbar{display:grid;grid-template-columns:1fr auto auto;gap:8px 10px;padding:12px 16px;background:var(--surface);border-bottom:1px solid var(--border);z-index:var(--z-linkbar)}.linkbar-url{font-family:Roboto Mono,ui-monospace,monospace;font-size:12px;color:var(--accent);background:var(--bg)}.linkbar-hint{grid-column:1 / -1;margin:0;color:var(--muted);font-size:12.5px;max-width:75ch}.main{flex:1;display:flex;min-height:0}.rail{width:320px;flex-shrink:0;overflow-y:auto;background:var(--surface);border-right:1px solid var(--border);padding:8px;display:flex;flex-direction:column;gap:4px}.rail-foot{margin:auto 8px 8px;padding-top:16px;color:var(--muted);font-size:12px}.sec{border-radius:var(--radius)}.sec-open{background:#080808}.sec-head{display:flex;align-items:center;gap:9px;width:100%;padding:9px 10px;border-radius:var(--radius);color:var(--ink);transition:background .15s ease-out}.sec-head:hover{background:var(--surface-2)}.sec-icon{display:inline-flex;color:var(--muted)}.sec-open .sec-icon{color:var(--primary)}.sec-title{flex:1;text-align:left;font-size:13px;font-weight:600}.sec-chev{color:var(--muted);transition:transform .15s ease-out}.sec-open .sec-chev{transform:rotate(180deg)}.sec-body{display:flex;flex-direction:column;gap:10px;padding:4px 10px 14px}.field{display:grid;grid-template-columns:92px 1fr;align-items:center;gap:8px}.field-stack{grid-template-columns:1fr;align-items:start;gap:5px}.field-label{font-size:12px;font-weight:500;color:var(--muted)}.field-control{display:flex;align-items:center;gap:8px;min-width:0}.field-control>input[type=text],.field-control>input[type=datetime-local],.field-control>select{width:100%}.slider-pair{display:grid;grid-template-columns:1fr 52px;gap:8px;width:100%}.num{padding:5px 6px;font-size:12.5px;text-align:center;font-variant-numeric:tabular-nums}.duration-pair{display:flex;align-items:center;gap:6px}.duration-pair .num{width:58px}.unit{color:var(--muted);font-size:12.5px}input[type=range]{-moz-appearance:none;appearance:none;-webkit-appearance:none;height:22px;padding:0;background:transparent;border:none}input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:var(--surface-3)}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;margin-top:-5px;border-radius:50%;background:var(--ink);border:none;transition:background .15s ease-out}input[type=range]:hover::-webkit-slider-thumb,input[type=range]:focus-visible::-webkit-slider-thumb{background:var(--primary-hover)}input[type=range]::-moz-range-track{height:4px;border-radius:2px;background:var(--surface-3)}input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--ink);border:none}.color-pair{display:grid;grid-template-columns:34px 1fr;gap:8px;width:100%}input[type=color]{width:34px;height:30px;padding:2px;cursor:pointer}.color-text{font-family:Roboto Mono,ui-monospace,monospace;font-size:12px}.seg{display:flex;width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:2px;gap:2px}.seg-btn{flex:1;padding:5px 4px;border-radius:4px;font-size:12px;font-weight:500;color:var(--muted);white-space:nowrap;transition:background .15s ease-out,color .15s ease-out}.seg-btn:hover{color:var(--ink)}.seg-on{background:var(--surface-3);color:var(--ink);box-shadow:inset 0 0 0 1px var(--primary)}.toggle{width:36px;height:21px;border-radius:11px;background:var(--surface-3);border:1px solid var(--border);position:relative;transition:background .15s ease-out}.toggle-knob{position:absolute;top:2px;left:2px;width:15px;height:15px;border-radius:50%;background:var(--muted);transition:transform .15s ease-out,background .15s ease-out}.toggle-on{background:var(--primary);border-color:transparent}.toggle-on .toggle-knob{transform:translate(15px);background:#fff}.chips{display:flex;gap:5px;flex-wrap:wrap}.chip{padding:4px 9px;border-radius:20px;border:1px solid var(--border);background:var(--surface-2);color:var(--muted);font-size:12px;font-weight:500;transition:background .15s ease-out,color .15s ease-out,border-color .15s ease-out}.chip:hover{color:var(--ink)}.chip-on{background:var(--primary);border-color:transparent;color:#fff}.hint{margin:0;font-size:12px;color:var(--muted)}.warn{margin:0;font-size:12px;color:var(--accent)}.stage{flex:1;display:flex;flex-direction:column;min-width:0}.stage-tools{display:flex;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border)}.stage-tools .seg{width:auto}.stage-tools .seg-btn{padding:5px 12px}.canvas{flex:1;display:flex;align-items:center;justify-content:center;overflow:auto;padding:32px}.canvas-checker{--check: oklch(.17 0 0);background-color:#070707;background-image:linear-gradient(45deg,var(--check) 25%,transparent 25%,transparent 75%,var(--check) 75%),linear-gradient(45deg,var(--check) 25%,transparent 25%,transparent 75%,var(--check) 75%);background-size:24px 24px;background-position:0 0,12px 12px}.canvas-black{background:#000}.canvas-green{background:#00b140}@media(max-width:900px){.main{flex-direction:column-reverse;overflow-y:auto}.rail{width:100%;border-right:none;border-top:1px solid var(--border);overflow-y:visible}.stage{min-height:320px;flex:none}.canvas{min-height:260px;padding:16px}}@media(prefers-reduced-motion:reduce){.sec-chev,.toggle-knob,.btn,.seg-btn,.chip{transition:none}}