:root{--bg: #f4f5f7;--panel: #ffffff;--panel-2: #f4f6f8;--text: #1c222b;--muted: #68707e;--accent: #3565e0;--border: #e3e6eb;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .05);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{max-width:1360px;margin:0 auto;padding:20px 24px}header{margin-bottom:20px}header h1{font-family:Montserrat,system-ui,sans-serif;font-size:18px;font-weight:700;margin:0;letter-spacing:.06em;text-transform:uppercase}.tagline{margin:2px 0 0;font-size:12px;color:var(--muted)}main{display:grid;grid-template-columns:1fr 340px;gap:20px;align-items:start}.stage{min-width:0}.pane{margin:0;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:16px;display:flex;justify-content:center;box-shadow:var(--shadow)}.sidebar{display:flex;flex-direction:column;gap:14px}.panel-block,.toolbar,.layers{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:var(--shadow)}.panel-block{display:flex;flex-direction:column;gap:10px}.group{margin-bottom:18px}.group:last-child{margin-bottom:0}.group h4,.layers h4{margin:0 0 10px;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.row{display:flex;gap:8px;margin-bottom:10px}.row>button{flex:1}button{background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:9px;padding:9px 12px;cursor:pointer;font-size:13px;transition:border-color .12s ease,background .12s ease,box-shadow .12s ease}button:hover:not(:disabled){border-color:var(--accent);background:#f7f9ff}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600;width:100%}button.primary:hover:not(:disabled){filter:brightness(1.06);background:var(--accent)}.slider{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--muted);margin:10px 0}input[type=range]{width:100%;accent-color:var(--accent)}select{background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:13px}.upload{background:var(--accent);color:#fff;border-radius:9px;padding:10px 14px;cursor:pointer;font-size:13px;font-weight:600;text-align:center}.upload:hover{filter:brightness(1.06)}.export{background:var(--panel);border-color:var(--accent);color:var(--accent);font-weight:600}.swatches{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.swatches[aria-disabled=true]{opacity:.5}.swatch{width:22px;height:22px;border-radius:50%;padding:0;border:2px solid #d6dae1;box-shadow:inset 0 0 0 1px #1018280a}.swatch:hover:not(:disabled){border-color:var(--accent)}.swatch.product{width:28px;height:28px}.swatch.active{border-color:var(--accent);box-shadow:0 0 0 2px #3565e040}.swatches input[type=color]{width:28px;height:28px;padding:0;border:1px solid var(--border);border-radius:6px;background:var(--panel);cursor:pointer}.layers ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.layer{background:var(--panel-2);border:1px solid var(--border);border-radius:9px;padding:9px 11px;font-size:13px;display:flex;justify-content:space-between;align-items:center;cursor:pointer}.layer:hover{border-color:var(--accent)}.layer.active{border-color:var(--accent);background:#f2f6ff}.layer.locked{opacity:.65;cursor:default}.layer.locked:hover{border-color:var(--border)}.layer.empty{color:var(--muted);font-style:italic;cursor:default}.link{background:none;border:none;color:var(--accent);padding:0;font-size:12px}.pane .canvas-container{margin:0 auto}@media (max-width: 1020px){main{grid-template-columns:1fr}.sidebar{order:2}}