.tool-container-pro{max-width:100%;padding:0;}.upload-area-pro{padding:2rem;}.upload-box-pro{background:var(--card-bg);border:2px dashed var(--card-border);border-radius:16px;padding:4rem 2rem;text-align:center;transition:all 0.3s ease;cursor:pointer;max-width:800px;margin:0 auto;}.upload-box-pro:hover{border-color:var(--primary-color);background:var(--primary-hover);}.upload-box-pro .upload-icon i{font-size:4rem;color:var(--primary-color);}.upload-box-pro h3{font-size:1.5rem;margin:1rem 0 0.5rem;}.editor-container{display:flex;gap:2rem;background:var(--card-bg);padding:1.5rem;border-radius:16px;border:1px solid var(--card-border);}.main-content{flex:1;min-width:0;background:var(--bg-color);border-radius:12px;padding:1rem;}.sidebar{width:320px;flex-shrink:0;}.main-content-toolbar{display:flex;align-items:center;gap:0.5rem;padding-bottom:1rem;margin-bottom:1rem;border-bottom:1px solid var(--card-border);}.toolbar-btn{background:none;border:1px solid transparent;color:var(--text-color-light);padding:0.5rem;border-radius:6px;cursor:pointer;display:flex;align-items:center;gap:0.5rem;transition:all 0.2s ease;}.toolbar-btn:hover{background:var(--primary-hover);color:var(--text-color);}.toolbar-btn.active{background:var(--primary-color);color:white;}.toolbar-btn i{font-size:1.2rem;}.divider{width:1px;height:20px;background:var(--card-border);margin:0 0.5rem;}.toolbar-label{font-size:0.9rem;color:var(--text-color-light);white-space:nowrap;}.main-content-toolbar .divider{width:1px;height:20px;background:var(--card-border);margin:0 1rem;}.pages-container-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1.5rem;max-height:calc(100vh - 280px);overflow-y:auto;padding:0.5rem;}.pages-container-grid::-webkit-scrollbar{width:8px;}.pages-container-grid::-webkit-scrollbar-track{background:var(--card-bg);border-radius:4px;}.pages-container-grid::-webkit-scrollbar-thumb{background:var(--card-border);border-radius:4px;}.pages-container-grid::-webkit-scrollbar-thumb:hover{background:var(--text-color-light);}.page-item{position:relative;background:white;border:2px solid transparent;border-radius:8px;padding:0.5rem;text-align:center;cursor:pointer;transition:transform 0.2s ease,border-color 0.2s ease,box-shadow 0.2s ease;}.page-item:hover{border-color:var(--primary-color);}.page-item.selected{border-color:var(--primary-color);background:rgba(var(--primary-color-rgb),0.1);}.page-canvas-container{width:100%;aspect-ratio:1 / 1.414;margin-bottom:0.5rem;background:#f0f0f0;border-radius:4px;overflow:hidden;}.page-canvas-container canvas{width:100%;height:100%;}.page-info{font-size:0.9rem;color:#333;font-weight:500;}.page-actions{position:absolute;top:-10px;right:-10px;display:flex;gap:0.5rem;opacity:0;transition:opacity 0.2s ease;}.page-item.selected .page-actions{opacity:1;}.page-action-btn{width:28px;height:28px;border-radius:50%;border:2px solid white;background:var(--primary-color);color:white;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 5px rgba(0,0,0,0.2);transition:transform 0.2s ease;}.page-action-btn i{font-size:1.2rem;}.sidebar-title{margin-bottom:1.5rem;font-size:1.5rem;}.option-group{background:var(--bg-color);padding:1.5rem;border-radius:12px;margin-bottom:1.5rem;border:1px solid var(--card-border);}.option-title{font-size:1.1rem;margin-bottom:1rem;}.form-group{margin-bottom:1rem;}.form-group:last-child{margin-bottom:0;}.form-group label{display:block;margin-bottom:0.5rem;font-size:0.9rem;font-weight:500;}.form-group input,.form-group select{width:100%;padding:0.75rem;border-radius:8px;border:1px solid var(--card-border);background:var(--card-bg);color:var(--text-color);}.sidebar-action{margin-top:auto;}.sidebar-action .btn-large{width:100%;padding:1rem;}.loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(13,13,26,0.9);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:1001;}.loading-overlay p{color:var(--text-color-light);margin-top:1.5rem;}.spinner{border:4px solid var(--card-border);border-top:4px solid var(--primary-color);border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite;}@keyframes spin{0%{transform:rotate(0deg);}100%{transform:rotate(360deg);}}