.quality-group{background:#f9fafb;border-radius:10px;padding:14px;border:1px solid #e5e7eb}.quality-group label{display:block;font-size:13px;font-weight:600;color:#4b5563;margin-bottom:6px}.quality-select,.format-select-pdf{width:100%;padding:10px 12px;border:2px solid #e5e7eb;border-radius:8px;font-size:14px;background:#fff;cursor:pointer;font-weight:600}.quality-select:focus,.format-select-pdf:focus{border-color:#6366f1;outline:none}.scale-slider{-webkit-appearance:none;appearance:none;width:100%;height:8px;background:#e5e7eb;border-radius:4px;outline:none}.scale-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;background:#6366f1;border-radius:50%;cursor:pointer}.pages-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;max-height:600px;overflow-y:auto;padding:4px}.page-card{background:#fff;border:2px solid #e5e7eb;border-radius:12px;overflow:hidden;transition:all 0.2s ease;box-shadow:0 2px 4px rgb(0 0 0 / .05)}.page-card:hover{border-color:#a5b4fc;box-shadow:0 4px 12px rgb(99 102 241 / .15)}.page-card canvas{width:100%;display:block;background:#fff}.page-card-footer{padding:10px 12px;display:flex;justify-content:space-between;align-items:center;background:#f9fafb;border-top:1px solid #e5e7eb}.page-card-footer span{font-size:13px;font-weight:600;color:#4b5563}.page-download-btn{padding:6px 12px;background:#6366f1;color:#fff;border:none;border-radius:6px;font-size:12px;font-weight:600;cursor:pointer;transition:background 0.2s ease}.page-download-btn:hover{background:#4f46e5}.progress-container{background:#e5e7eb;border-radius:8px;overflow:hidden;height:8px}.progress-bar{height:100%;background:linear-gradient(90deg,#6366f1,#818cf8);border-radius:8px;transition:width 0.3s ease}.pdf-loading{text-align:center;padding:40px;color:#6b7280}.pdf-loading .spinner{width:40px;height:40px;border:4px solid #e5e7eb;border-top-color:#6366f1;border-radius:50%;animation:spin 0.8s linear infinite;margin:0 auto 16px}.pdf-info{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#eef2ff;border:1px solid #c7d2fe;border-radius:8px;color:#4338ca;font-size:13px;font-weight:600;max-width:280px;min-width:0}.pdf-info span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width:640px){.pages-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}}#download-all-btn.generating{pointer-events:none;opacity:.7}#download-all-btn.generating::after{content:'';display:inline-block;width:16px;height:16px;margin-left:8px;border:2px solid rgb(255 255 255 / .3);border-top-color:#fff;border-radius:50%;animation:spin 0.6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}