:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--bg: #0d1117;--surface: #161b22;--surface2: #1c2333;--border: rgba(255, 255, 255, .08);--border-active: rgba(255, 255, 255, .2);--text: #e6edf3;--text-dim: rgba(255, 255, 255, .5);--accent: #58a6ff;--accent-dim: rgba(88, 166, 255, .15);--danger: #f87171;--radius: 6px}*{box-sizing:border-box}html,body,#root{margin:0;height:100vh;overflow:hidden;background:var(--bg);color:var(--text)}.app{display:grid;grid-template-columns:240px 1fr 200px;height:100vh;overflow:hidden}.toolbar{background:var(--surface);border-right:1px solid var(--border);overflow-y:auto;padding:.75rem;display:flex;flex-direction:column;gap:.75rem}.toolbar::-webkit-scrollbar{width:4px}.toolbar::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:2px}.toolbar-section{display:flex;flex-direction:column;gap:.4rem}.toolbar-title{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);display:flex;justify-content:space-between;align-items:center}.toolbar-subtitle{font-size:.65rem;color:var(--text-dim);margin-top:.25rem}.slider-val{font-variant-numeric:tabular-nums;color:var(--accent);font-weight:500;text-transform:none;letter-spacing:0}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}.tool-btn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:.4rem .25rem;border:1px solid var(--border);border-radius:var(--radius);background:transparent;color:var(--text);cursor:pointer;transition:all .12s;font-size:.65rem}.tool-btn:hover{background:#ffffff0a;border-color:var(--border-active)}.tool-btn.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.tool-icon{font-size:1rem;line-height:1}.tool-label{font-size:.6rem;opacity:.7}.tool-btn.active .tool-label{opacity:1}.color-input{width:100%;height:32px;border:1px solid var(--border);border-radius:var(--radius);background:transparent;cursor:pointer;padding:2px}.color-input::-webkit-color-swatch-wrapper{padding:0}.color-input::-webkit-color-swatch{border:none;border-radius:4px}.color-presets{display:flex;flex-wrap:wrap;gap:4px}.preset-swatch{width:20px;height:20px;border-radius:4px;border:2px solid transparent;cursor:pointer;transition:border-color .12s,transform .12s;padding:0}.preset-swatch:hover{transform:scale(1.15);border-color:#ffffff4d}.preset-swatch.active{border-color:var(--accent);box-shadow:0 0 6px #58a6ff66}.slider{width:100%;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#ffffff1a;border-radius:2px;outline:none}.slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid var(--surface);box-shadow:0 0 4px #58a6ff4d}.action-row{display:flex;gap:4px}.action-btn{flex:1;padding:.35rem .4rem;border:1px solid var(--border);border-radius:var(--radius);background:transparent;color:var(--text);font-size:.68rem;cursor:pointer;transition:all .12s;white-space:nowrap}.action-btn:hover{background:#ffffff0d;border-color:var(--border-active)}.action-btn:disabled{opacity:.35;cursor:default}.action-btn.toggled{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.action-btn.primary{background:var(--accent);color:#000;border-color:var(--accent);font-weight:600}.action-btn.primary:hover{background:#79b8ff}.canvas-area{position:relative;overflow:hidden;background:linear-gradient(45deg,#111827 25%,transparent 25%),linear-gradient(-45deg,#111827 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#111827 75%),linear-gradient(-45deg,transparent 75%,#111827 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;background-color:#0f1520;display:flex;align-items:center;justify-content:center}.canvas-viewport{transform-origin:center center;transition:transform .15s ease}.draw-canvas{display:block;border-radius:4px;box-shadow:0 0 0 1px #ffffff0f,0 8px 32px #00000080}.cursor-pen,.cursor-marker{cursor:crosshair}.cursor-eraser{cursor:cell}.cursor-spray,.cursor-line,.cursor-rect,.cursor-circle,.cursor-arrow{cursor:crosshair}.bottom-bar{position:absolute;bottom:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:.4rem .75rem;background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--border);font-size:.7rem;color:var(--text-dim)}.zoom-controls{display:flex;align-items:center;gap:.35rem}.zoom-btn{padding:.15rem .45rem;border:1px solid var(--border);border-radius:4px;background:transparent;color:var(--text);font-size:.7rem;cursor:pointer;transition:all .1s}.zoom-btn:hover{background:#ffffff0f;border-color:var(--border-active)}.zoom-label{min-width:3rem;text-align:center;font-variant-numeric:tabular-nums}.layers-panel{background:var(--surface);border-left:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}.layers-panel::-webkit-scrollbar{width:4px}.layers-panel::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:2px}.panel-header{display:flex;justify-content:space-between;align-items:center;padding:.6rem .75rem;border-bottom:1px solid var(--border);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim)}.panel-btn{width:22px;height:22px;border:1px solid var(--border);border-radius:4px;background:transparent;color:var(--text);font-size:.85rem;cursor:pointer;display:grid;place-items:center;transition:all .12s;line-height:1;padding:0}.panel-btn:hover{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.layer-list{display:flex;flex-direction:column;flex:1;overflow-y:auto}.layer-item{display:flex;align-items:center;gap:4px;padding:.35rem .5rem;border-bottom:1px solid var(--border);cursor:pointer;transition:background .1s}.layer-item:hover{background:#ffffff05}.layer-item.active{background:var(--accent-dim);border-left:2px solid var(--accent)}.layer-vis,.layer-lock,.layer-del{width:22px;height:22px;border:none;border-radius:3px;background:transparent;color:var(--text-dim);font-size:.7rem;cursor:pointer;display:grid;place-items:center;flex-shrink:0;padding:0;transition:all .1s}.layer-vis:hover,.layer-lock:hover,.layer-del:hover{background:#ffffff0f}.layer-vis.hidden{opacity:.35}.layer-lock.locked{color:#fbbf24}.layer-del:hover{color:var(--danger)}.layer-name{flex:1;min-width:0;background:transparent;border:1px solid transparent;border-radius:3px;color:var(--text);font-size:.7rem;padding:.15rem .3rem;outline:none;transition:border-color .12s}.layer-name:focus{border-color:var(--accent);background:#0003}.shortcuts-section{border-top:1px solid var(--border)}.shortcut-list{padding:.5rem .75rem;display:flex;flex-direction:column;gap:.2rem}.shortcut{font-size:.62rem;color:var(--text-dim);display:flex;gap:.4rem;align-items:center}.shortcut kbd{display:inline-block;padding:.1rem .35rem;border:1px solid var(--border);border-radius:3px;background:#ffffff0a;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.58rem;color:var(--text);min-width:1.4rem;text-align:center}@media(max-width:900px){.app{grid-template-columns:1fr;grid-template-rows:auto 1fr auto}.toolbar{flex-direction:row;overflow-x:auto;overflow-y:hidden;border-right:none;border-bottom:1px solid var(--border);padding:.5rem;gap:.5rem}.toolbar-section{min-width:max-content}.tool-grid{grid-template-columns:repeat(4,1fr)}.layers-panel{border-left:none;border-top:1px solid var(--border);max-height:160px}.shortcuts-section{display:none}}