:root{--bg: #0d0d14;--surface: #16161f;--surface2: #1e1e2a;--border: rgba(255, 255, 255, .08);--text: #e8e8f0;--text-dim: rgba(255, 255, 255, .5);--accent: #646cff;--accent-hover: #7980ff;--green: #22c55e;--orange: #f59e0b;--radius: 8px;color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text)}.app{display:flex;flex-direction:column;min-height:100vh}.header{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:52px;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:.95rem;color:var(--text)}.logo svg{color:var(--accent)}.header-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface2);color:var(--text);font-size:.8rem;font-weight:500;cursor:pointer;transition:all .15s;white-space:nowrap}.btn:hover{background:#ffffff14}.btn:disabled{opacity:.35;cursor:default}.btn:disabled:hover{background:var(--surface2)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-accent{background:var(--green);border-color:var(--green);color:#fff}.btn-accent:hover{background:#16a34a}.btn-ghost{background:transparent;border-color:transparent;color:var(--text-dim)}.btn-ghost:hover{color:var(--text);background:#ffffff0d}.btn-block{width:100%}.btn-sm{padding:5px 10px;font-size:.75rem}.btn-active{background:var(--accent);border-color:var(--accent);color:#fff}.btn-auto{background:var(--orange);border-color:var(--orange);color:#000;font-weight:600}.btn-auto:hover{background:#d97706}.btn-camera{background:#7c3aed;border-color:#7c3aed;color:#fff}.btn-camera:hover{background:#6d28d9}.btn-batch{background:#0ea5e9;border-color:#0ea5e9;color:#fff}.btn-batch:hover{background:#0284c7}.btn-row{display:flex;gap:6px}.btn-row .btn{flex:1}.workspace{display:flex;flex:1;overflow:hidden}.sidebar{width:300px;flex-shrink:0;border-right:1px solid var(--border);background:var(--surface);overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px}.panel{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:12px}.panel-title{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin-bottom:8px}.file-name{margin-top:6px;font-size:.75rem;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tabs{display:flex;gap:2px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:3px}.tab{flex:1;padding:6px 0;border:none;border-radius:6px;background:transparent;color:var(--text-dim);font-size:.78rem;font-weight:600;cursor:pointer;transition:all .15s}.tab:hover{color:var(--text);background:#ffffff0a}.tab.active{background:var(--accent);color:#fff}.preset-grid{display:flex;flex-direction:column;gap:3px}.preset-btn{display:flex;flex-direction:column;align-items:flex-start;padding:7px 9px;border:1px solid var(--border);border-radius:6px;background:transparent;color:var(--text);cursor:pointer;transition:all .15s;text-align:left}.preset-btn:hover{background:#646cff14;border-color:#646cff33}.preset-btn.active{background:#646cff26;border-color:var(--accent)}.preset-name{font-size:.82rem;font-weight:600}.preset-desc{font-size:.68rem;color:var(--text-dim)}.custom-size{display:flex;gap:8px;margin-top:8px}.custom-size label{flex:1;display:flex;flex-direction:column;gap:3px;font-size:.72rem;color:var(--text-dim)}.custom-size input{padding:5px 7px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text);font-size:.82rem}.slider-group{margin-bottom:8px}.slider-group:last-child{margin-bottom:0}.slider-group label{display:flex;justify-content:space-between;font-size:.78rem;color:var(--text-dim);margin-bottom:3px}.slider-group .val{color:var(--text);font-variant-numeric:tabular-nums;min-width:38px;text-align:right}input[type=range]{width:100%;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#ffffff1a;border-radius:2px;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid var(--surface2)}input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid var(--surface2)}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:.82rem;cursor:pointer;color:var(--text-dim);margin-bottom:6px}.checkbox-label:last-child{margin-bottom:0}.checkbox-label input[type=checkbox]{accent-color:var(--accent)}.color-label{display:flex;align-items:center;justify-content:space-between;font-size:.82rem;color:var(--text-dim);margin-top:8px}.color-label input[type=color]{width:32px;height:22px;border:1px solid var(--border);border-radius:4px;background:transparent;cursor:pointer;padding:0}.filter-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}.filter-btn{padding:7px;border:1px solid var(--border);border-radius:6px;background:transparent;color:var(--text);font-size:.78rem;font-weight:500;cursor:pointer;transition:all .15s}.filter-btn:hover{background:#646cff14}.filter-btn.active{background:#646cff26;border-color:var(--accent)}.bg-presets{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.bg-swatch{width:28px;height:28px;border-radius:6px;border:2px solid var(--border);cursor:pointer;transition:all .15s}.bg-swatch:hover{transform:scale(1.1)}.bg-swatch.active{border-color:var(--accent);box-shadow:0 0 0 2px #646cff4d}.bg-custom{width:28px;height:28px;border:1px dashed var(--border);border-radius:6px;background:transparent;cursor:pointer;padding:0}.print-info{margin:6px 0;font-size:.78rem;color:var(--text-dim);text-align:center}.camera-panel{text-align:center}.camera-preview{width:100%;border-radius:6px;margin-bottom:8px;transform:scaleX(-1)}.canvas-area{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;gap:10px;background:radial-gradient(circle at 50% 50%,rgba(100,108,255,.03),transparent 70%),var(--bg)}.editor-canvas{border-radius:var(--radius);border:1px solid var(--border);cursor:grab;max-width:100%}.editor-canvas:active{cursor:grabbing}.canvas-hint{font-size:.72rem;color:var(--text-dim);text-align:center}@media(max-width:800px){.workspace{flex-direction:column}.sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border);max-height:50vh}.header{padding:0 12px}.header-actions{gap:3px}.btn{padding:5px 8px;font-size:.72rem}}