:root{--bg: #f4f5f7;--panel: #ffffff;--line: #e2e4e9;--text: #2b2f3a;--muted: #7c8290;--accent: #635bff;--accent-soft: #efeefe}*{box-sizing:border-box}html,body{height:100%;margin:0}body{font:13px/1.45 -apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;color:var(--text);background:var(--bg);overflow:hidden}#app{display:flex;height:100vh}#sidebar{width:220px;flex:none;background:var(--panel);border-right:1px solid var(--line);padding:14px;overflow-y:auto}.brand{font-size:15px;margin-bottom:2px}.brand b{color:var(--accent)}.hint{color:var(--muted);font-size:11px;margin-bottom:12px}.sec{margin:16px 0 8px;font-weight:600;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.5px}#shape-palette{display:grid;grid-template-columns:1fr 1fr;gap:8px}.palette-item{height:56px;border:1px solid var(--line);border-radius:8px;display:grid;place-items:center;cursor:grab;background:#fafbfc;transition:border-color .12s,background .12s}.palette-item:hover{border-color:var(--accent);background:var(--accent-soft)}.palette-item svg{pointer-events:none}.palette-item span{font-size:9px;color:var(--muted);margin-top:2px}.row{display:flex;align-items:center;justify-content:space-between;margin:8px 0}.row label{color:var(--muted)}input[type=color]{width:40px;height:26px;border:1px solid var(--line);border-radius:6px;padding:0;background:none;cursor:pointer}input[type=range]{width:110px;accent-color:var(--accent)}.row select{flex:1;margin-left:8px;max-width:130px;border:1px solid var(--line);border-radius:6px;padding:4px 6px;background:#fff;color:var(--text);font:inherit;cursor:pointer}.row select:hover{border-color:var(--accent)}#main{flex:1;display:flex;flex-direction:column;min-width:0}#toolbar{display:flex;align-items:center;gap:6px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}#toolbar button{background:#fff;border:1px solid var(--line);border-radius:7px;padding:6px 10px;cursor:pointer;font-size:12px;color:var(--text);transition:background .12s,border-color .12s}#toolbar button:hover{background:var(--accent-soft);border-color:var(--accent)}#toolbar button.on{background:var(--accent);color:#fff;border-color:var(--accent)}.sep{width:1px;height:22px;background:var(--line);margin:0 4px}#zoomlabel{font-variant-numeric:tabular-nums;color:var(--muted);width:42px;text-align:center}#stage-wrap{flex:1;position:relative;overflow:hidden;background-color:#fbfbfc;background-image:linear-gradient(#eceef2 1px,transparent 1px),linear-gradient(90deg,#eceef2 1px,transparent 1px);background-size:24px 24px}#stage{position:absolute;top:0;right:0;bottom:0;left:0}#statusbar{padding:4px 12px;background:var(--panel);border-top:1px solid var(--line);color:var(--muted);font-size:11px}.text-edit{position:absolute;z-index:50;border:2px solid var(--accent);border-radius:4px;outline:none;resize:none;overflow:hidden;text-align:center;background:#fffffff2;font:inherit;padding:2px}