*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #08080f;--bg-secondary: #0e0e1a;--bg-surface: rgba(255, 255, 255, .035);--bg-surface-hover: rgba(255, 255, 255, .06);--border-color: rgba(255, 255, 255, .07);--border-color-hover: rgba(255, 255, 255, .14);--text-primary: #e8eaf0;--text-secondary: #8b8fa8;--text-muted: #5a5e78;--accent-1: #818cf8;--accent-2: #c084fc;--accent-gradient: linear-gradient(135deg, #818cf8, #a78bfa, #c084fc);--accent-glow: rgba(129, 140, 248, .25);--danger: #f87171;--success: #34d399;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow-sm: 0 2px 8px rgba(0,0,0,.3);--shadow-md: 0 4px 20px rgba(0,0,0,.4);--shadow-lg: 0 8px 40px rgba(0,0,0,.5);--transition: .2s cubic-bezier(.4, 0, .2, 1);--font: "Inter", system-ui, -apple-system, sans-serif}html,body{width:100%;height:100%;overflow:hidden;font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{display:flex;flex-direction:column;height:100vh;background:radial-gradient(ellipse at 20% 0%,rgba(129,140,248,.06) 0%,transparent 60%),radial-gradient(ellipse at 80% 100%,rgba(192,132,252,.04) 0%,transparent 60%),var(--bg-primary)}#app-header{flex-shrink:0;border-bottom:1px solid var(--border-color);background:#08080fcc;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);z-index:10}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;max-width:1800px;margin:0 auto;width:100%}.logo{display:flex;align-items:center;gap:10px}.logo h1{font-size:16px;font-weight:600;letter-spacing:-.3px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-badge{font-size:11px;font-weight:500;color:var(--text-muted);padding:4px 12px;border-radius:20px;border:1px solid var(--border-color);background:var(--bg-surface);letter-spacing:.3px}#main-content{flex:1;display:flex;overflow:hidden}#controls-panel{width:320px;min-width:320px;display:flex;flex-direction:column;gap:12px;padding:16px;overflow-y:auto;border-right:1px solid var(--border-color);background:#08080f80;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}#controls-panel::-webkit-scrollbar{width:4px}#controls-panel::-webkit-scrollbar-track{background:transparent}#controls-panel::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}.control-section{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px;transition:border-color var(--transition)}.control-section:hover{border-color:var(--border-color-hover)}.section-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;color:var(--text-secondary)}.section-header h2{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-secondary)}.section-header svg{opacity:.6}#upload-zone{position:relative;border:2px dashed var(--border-color-hover);border-radius:var(--radius-md);padding:24px;text-align:center;cursor:pointer;transition:all var(--transition);overflow:hidden;min-height:130px;display:flex;align-items:center;justify-content:center}#upload-zone:hover{border-color:var(--accent-1);background:#818cf80a}#upload-zone.dragover{border-color:var(--accent-2);background:#c084fc0f;transform:scale(1.01)}#upload-content{display:flex;flex-direction:column;align-items:center;gap:8px}.upload-icon{color:var(--text-muted);opacity:.5}.upload-text{font-size:13px;font-weight:500;color:var(--text-secondary)}.upload-hint{font-size:11px;color:var(--text-muted)}#preview-thumb{display:none;width:100%;height:120px;object-fit:contain;border-radius:var(--radius-sm)}.presets{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.preset-btn{padding:5px 12px;font-size:12px;font-weight:500;font-family:var(--font);color:var(--text-secondary);background:var(--bg-surface);border:1px solid var(--border-color);border-radius:20px;cursor:pointer;transition:all var(--transition);white-space:nowrap}.preset-btn:hover{border-color:var(--accent-1);color:var(--accent-1);background:#818cf814}.preset-btn.active{background:#818cf826;border-color:var(--accent-1);color:var(--accent-1)}.size-inputs{display:flex;align-items:flex-end;gap:8px}.size-link{color:var(--text-muted);opacity:.4;margin-bottom:8px;flex-shrink:0}.input-group{flex:1}.input-group label{display:block;font-size:11px;font-weight:500;color:var(--text-muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}.input-wrap{display:flex;align-items:center;background:#0000004d;border:1px solid var(--border-color);border-radius:var(--radius-sm);overflow:hidden;transition:border-color var(--transition)}.input-wrap:focus-within{border-color:var(--accent-1)}.input-wrap input{width:100%;padding:7px 8px;font-size:13px;font-family:var(--font);font-weight:500;color:var(--text-primary);background:transparent;border:none;outline:none;-moz-appearance:textfield}.input-wrap input::-webkit-inner-spin-button,.input-wrap input::-webkit-outer-spin-button{-webkit-appearance:none}.input-unit{padding:0 8px;font-size:11px;font-weight:600;color:var(--text-muted);letter-spacing:.5px;-webkit-user-select:none;user-select:none}.color-presets{display:flex;gap:8px}.color-btn{width:32px;height:32px;border-radius:50%;border:2px solid var(--border-color);cursor:pointer;transition:all var(--transition);padding:3px;background:transparent;display:flex;align-items:center;justify-content:center}.color-btn span{display:block;width:100%;height:100%;border-radius:50%}.color-btn:hover{border-color:var(--text-secondary);transform:scale(1.1)}.color-btn.active{border-color:var(--accent-1);box-shadow:0 0 0 2px var(--accent-glow)}#process-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px;font-size:14px;font-weight:600;font-family:var(--font);color:#fff;background:var(--accent-gradient);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}#process-btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,rgba(255,255,255,.15),transparent);opacity:0;transition:opacity var(--transition)}#process-btn:hover:not(:disabled):before{opacity:1}#process-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 20px var(--accent-glow)}#process-btn:active:not(:disabled){transform:translateY(0)}#process-btn:disabled{opacity:.35;cursor:not-allowed}#editor-controls{display:none;flex-direction:column;gap:12px}.zoom-control{display:flex;align-items:center;gap:6px}.zoom-btn{width:28px;height:28px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-surface);color:var(--text-secondary);font-size:16px;font-weight:500;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition);font-family:var(--font);flex-shrink:0}.zoom-btn:hover{border-color:var(--accent-1);color:var(--accent-1);background:#818cf814}#zoom-slider{flex:1;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--border-color);border-radius:2px;outline:none}#zoom-slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent-1);cursor:pointer;box-shadow:0 0 6px var(--accent-glow);transition:transform var(--transition)}#zoom-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}#zoom-value{font-size:11px;font-weight:600;color:var(--text-muted);min-width:40px;text-align:right;font-variant-numeric:tabular-nums}.secondary-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:8px;margin-top:8px;font-size:12px;font-weight:500;font-family:var(--font);color:var(--text-secondary);background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition)}.secondary-btn:hover{border-color:var(--border-color-hover);color:var(--text-primary);background:var(--bg-surface-hover)}#export-btn{display:none;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px;font-size:14px;font-weight:600;font-family:var(--font);color:#fff;background:linear-gradient(135deg,#059669,#10b981,#34d399);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}#export-btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,rgba(255,255,255,.15),transparent);opacity:0;transition:opacity var(--transition)}#export-btn:hover:before{opacity:1}#export-btn:hover{transform:translateY(-1px);box-shadow:0 4px 20px #10b9814d}#export-btn:active{transform:translateY(0)}#editor-panel{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-secondary)}#canvas-container{flex:1;position:relative;overflow:hidden;background-image:radial-gradient(circle at 50% 50%,rgba(129,140,248,.015) 0%,transparent 70%),linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);background-size:100% 100%,20px 20px,20px 20px}#editor-canvas{display:none;width:100%;height:100%;cursor:grab}#editor-canvas:active{cursor:grabbing}#empty-state{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}.empty-icon{color:var(--text-muted);opacity:.2;animation:float 4s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}#empty-state h3{font-size:16px;font-weight:600;color:var(--text-secondary)}#empty-state p{font-size:13px;color:var(--text-muted)}#canvas-hints{display:flex;justify-content:center;gap:24px;padding:8px;border-top:1px solid var(--border-color);background:#08080f99}#canvas-hints span{font-size:11px;color:var(--text-muted);letter-spacing:.2px}#loading-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000b3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);align-items:center;justify-content:center}.loading-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:40px 48px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;box-shadow:var(--shadow-lg);max-width:360px}.loading-spinner{width:48px;height:48px;animation:spin 1.2s linear infinite}.loading-spinner svg{width:100%;height:100%}@keyframes spin{to{transform:rotate(360deg)}}#loading-text{font-size:14px;font-weight:500;color:var(--text-primary)}.progress-bar{width:100%;height:4px;background:var(--border-color);border-radius:2px;overflow:hidden}#loading-progress{height:100%;width:0%;background:var(--accent-gradient);border-radius:2px;transition:width .3s ease}.loading-hint{font-size:11px;color:var(--text-muted);line-height:1.5}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease-out}@media(max-width:768px){#main-content{flex-direction:column}#controls-panel{width:100%;min-width:unset;max-height:45vh;border-right:none;border-bottom:1px solid var(--border-color)}#editor-panel{min-height:50vh}}