:root{--bg: #0f1115;--bg-elev: #171a21;--bg-elev-2: #1f232c;--border: #2a2f3a;--text: #e7eaf0;--text-dim: #9aa3b2;--accent: #5b8cff;--accent-press: #3f6fe0;--danger: #ff5b6e;--radius: 8px;--topbar-h: 44px;--options-h: 40px;--status-h: 26px;--toolbar-w: 52px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:13px;background:var(--bg);color:var(--text);overflow:hidden;-webkit-user-select:none;user-select:none}button{font:inherit;color:var(--text);background:var(--bg-elev-2);border:1px solid var(--border);border-radius:6px;padding:5px 10px;cursor:pointer;transition:background .12s,border-color .12s}button:hover:not(:disabled){background:#272c37;border-color:#39414f}button:disabled{opacity:.4;cursor:default}input[type=range]{accent-color:var(--accent)}input[type=number],input[type=text]{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:4px 6px;width:100%}.app{display:flex;flex-direction:column;height:100%}.topbar{height:var(--topbar-h);display:flex;align-items:center;gap:14px;padding:0 12px;background:var(--bg-elev);border-bottom:1px solid var(--border)}.brand{font-weight:700;letter-spacing:.3px;display:flex;align-items:center;gap:6px}.brand-mark{color:var(--accent)}.topbar-group{display:flex;gap:6px;align-items:center}.topbar-spacer{flex:1}.zoom-readout{min-width:48px;text-align:right;color:var(--text-dim)}.options-bar{height:var(--options-h);display:flex;align-items:center;gap:14px;padding:0 12px;background:var(--bg-elev);border-bottom:1px solid var(--border)}.options-tool-name{font-weight:600;color:var(--text-dim);min-width:90px}.options-content{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.opt{display:flex;align-items:center;gap:6px;color:var(--text-dim)}.opt input[type=range]{width:110px}.workspace{flex:1;display:flex;min-height:0}.toolbar{width:var(--toolbar-w);background:var(--bg-elev);border-right:1px solid var(--border);display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 0}.tool-btn{width:38px;height:38px;display:grid;place-items:center;font-size:18px;padding:0;background:transparent;border:1px solid transparent}.tool-btn:hover{background:var(--bg-elev-2)}.tool-btn.active{background:var(--accent);border-color:var(--accent-press)}.panels{width:260px;background:var(--bg-elev);border-left:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}.panels-left{border-left:none;border-right:1px solid var(--border)}.panel{border-bottom:1px solid var(--border)}.panel-header{padding:8px 12px;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-dim);background:var(--bg-elev-2)}.panel-body{padding:10px 12px}.viewport{flex:1;position:relative;overflow:hidden;background:repeating-conic-gradient(#2a2f3a,#2a2f3a 25%,#232831 0%,#232831 50%) 50% / 24px 24px;display:grid;place-items:center}.viewport-stage{transform-origin:0 0;will-change:transform}.doc-canvas{display:block;box-shadow:0 0 0 1px #00000080,0 12px 48px #00000080;background:repeating-conic-gradient(#cfcfcf,#cfcfcf 25%,#fff 0%,#fff 50%) 50% / 16px 16px;touch-action:none}.statusbar{height:var(--status-h);display:flex;align-items:center;gap:16px;padding:0 12px;background:var(--bg-elev);border-top:1px solid var(--border);color:var(--text-dim);font-size:12px}.statusbar-spacer{flex:1}.row{display:flex;align-items:center;gap:8px}.muted{color:var(--text-dim)}button.mini{padding:2px 6px;font-size:12px;line-height:1}select{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:3px 4px}input[type=color]{width:28px;height:24px;padding:0;border:1px solid var(--border);border-radius:6px;background:none;cursor:pointer}.layer-row{padding:8px;border:1px solid transparent;border-radius:6px;margin-bottom:4px;background:var(--bg-elev-2);cursor:pointer}.layer-row[data-active=true]{border-color:var(--accent)}.layer-row input[type=range]{flex:1}.swatches{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.swatch{width:100%;height:22px;padding:0;border:1px solid var(--border);border-radius:5px;cursor:pointer}