*,*:before,*:after{box-sizing:border-box}:root{--bg: #0e0f12;--bg-soft: #16181c;--bg-card: #1c1f25;--border: #2a2e36;--fg: #e8eaed;--fg-soft: #a1a8b3;--accent: #7c5cff;--accent-soft: #b9a8ff;--r: #ff5c7c;--y: #ffc857;--g: #5cffb1;--b: #5ccfff;--rad: 14px;--shadow: 0 4px 24px rgba(0,0,0,.4);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,Inter,sans-serif;color-scheme:dark}@media(prefers-color-scheme:light){:root{--bg: #fafbfc;--bg-soft: #f1f3f5;--bg-card: #ffffff;--border: #e1e4e8;--fg: #1a1d23;--fg-soft: #586069;--accent: #6240e8;--accent-soft: #4a2dc2;--shadow: 0 2px 16px rgba(0,0,0,.06)}}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased}#canvas-container{position:relative;width:100vw;height:calc(100dvh - 56px)}#drawing-canvas{display:block;width:100%;height:100%;cursor:crosshair;touch-action:none}#toolbar{position:fixed;top:16px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:10px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--rad);padding:10px 16px;box-shadow:var(--shadow);z-index:100}.toolbar-label{font-size:13px;color:var(--fg-soft);font-weight:600;margin-right:4px}.color-swatch{width:24px;height:24px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:transform .1s,border-color .1s}.color-swatch:hover{transform:scale(1.15)}.color-swatch.active{border-color:var(--fg);transform:scale(1.2)}.toolbar-sep{width:1px;height:24px;background:var(--border);margin:0 4px}.btn-clear{font-size:13px;font-weight:600;padding:5px 12px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--r);cursor:pointer;transition:background .15s}.btn-clear:hover{background:#ff5c7c1f}@media(max-width:720px){#toolbar{padding:8px 12px;gap:8px;flex-wrap:wrap}.color-swatch{width:24px;height:24px}.btn-clear{font-size:12px;padding:4px 10px}canvas{touch-action:none}}