.tool-header{text-align:center;margin-bottom:32px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #667eea 0, #764ba2 100%);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #667eea);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:0.95rem}.stats-cards{display:flex;justify-content:center;gap:24px;margin-bottom:28px;flex-wrap:wrap}.stat-card{background:white;border-radius:60px;padding:12px 24px;display:flex;align-items:center;gap:16px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.stat-icon{width:44px;height:44px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#667eea;font-size:1.2rem}.stat-info{text-align:left}.stat-value{display:block;font-size:1.3rem;font-weight:700;color:var(--gray-800)}.stat-label{font-size:0.7rem;color:var(--gray-500)}.upload-area{border:2px dashed var(--gray-300);border-radius:28px;padding:48px 20px;text-align:center;cursor:pointer;transition:all 0.3s;background:linear-gradient(135deg, #f8fafc, #fff);margin-bottom:24px}.upload-area:hover{border-color:#667eea;background:#f0f4ff}.upload-area i{font-size:48px;color:var(--gray-400);margin-bottom:16px}.upload-hint{display:block;font-size:0.7rem;color:var(--gray-400);margin:12px 0}.preview-list{background:var(--gray-50);border-radius:20px;padding:16px;margin-bottom:24px}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--gray-200);flex-wrap:wrap;gap:12px}.preview-title{display:flex;align-items:center;gap:12px;font-weight:600}.preview-count{font-size:0.7rem;font-weight:normal;background:var(--gray-200);padding:2px 10px;border-radius:30px}.image-preview-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(100px, 1fr));gap:12px;max-height:250px;overflow-y:auto}.preview-item{background:white;border-radius:12px;padding:8px;text-align:center;position:relative;border:1px solid var(--gray-200);transition:all 0.2s}.preview-item:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.08)}.preview-item img{width:80px;height:80px;object-fit:cover;border-radius:8px}.preview-item .file-name{font-size:0.6rem;margin-top:6px;color:var(--gray-600);word-break:break-all}.preview-item .remove-item{position:absolute;top:-6px;right:-6px;background:#ef4444;color:white;border:none;border-radius:50%;width:20px;height:20px;font-size:10px;cursor:pointer}.rename-section{background:var(--gray-50);border-radius:24px;padding:20px;margin-bottom:24px}.section-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-weight:600;color:var(--gray-700)}.rule-tabs{display:flex;gap:12px;margin-bottom:24px;border-bottom:1px solid var(--gray-200);padding-bottom:8px}.rule-tab{background:transparent;border:none;padding:8px 20px;font-size:0.85rem;cursor:pointer;border-radius:30px;transition:all 0.2s;color:var(--gray-600)}.rule-tab i{margin-right:6px}.rule-tab.active{background:#667eea;color:white}.rule-panel{animation:fadeIn 0.3s ease}.rule-row{margin-bottom:20px;display:flex;flex-wrap:wrap;align-items:center;gap:16px}.rule-row label{width:100px;font-weight:500;color:var(--gray-700);font-size:0.85rem}.rule-input{flex:1;padding:10px 16px;border:1px solid var(--gray-300);border-radius:12px;font-size:0.85rem;min-width:200px}.rule-input:focus{outline:none;border-color:#667eea}.number-settings{flex:1;display:flex;gap:16px;flex-wrap:wrap}.setting-item{display:flex;align-items:center;gap:8px}.setting-item span{font-size:0.8rem;color:var(--gray-600)}.number-input{width:70px;padding:8px;border:1px solid var(--gray-300);border-radius:8px;text-align:center}.select-sm{padding:8px 12px;border:1px solid var(--gray-300);border-radius:8px;background:white}.delete-settings{flex:1;display:flex;gap:12px}.case-buttons{flex:1;display:flex;gap:12px}.case-btn{background:white;border:1px solid var(--gray-300);padding:8px 16px;border-radius:30px;cursor:pointer;font-size:0.8rem}.case-btn:hover{background:#667eea;color:white;border-color:#667eea}.format-info-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:20px;margin-bottom:20px}.format-info-item{background:white;border-radius:16px;padding:16px}.info-label{display:block;font-size:0.75rem;color:var(--gray-500);margin-bottom:12px}.info-value{display:flex;flex-wrap:wrap;gap:8px}.format-tag{background:var(--gray-100);border:1px solid var(--gray-200);padding:4px 12px;border-radius:30px;font-size:0.7rem;cursor:pointer;font-family:monospace}.format-tag:hover{background:#667eea;color:white}.format-example{background:white;border-radius:12px;padding:12px 16px;font-size:0.8rem}.format-example code{background:#1e1e2e;color:#e0e0e0;padding:4px 12px;border-radius:8px;margin-left:8px}.preview-section{background:var(--gray-50);border-radius:24px;padding:20px;margin-top:24px}.preview-table-wrapper{overflow-x:auto;max-height:400px;overflow-y:auto;margin-top:16px}.preview-table{width:100%;border-collapse:collapse;font-size:0.8rem}.preview-table th,.preview-table td{padding:12px;text-align:center;border-bottom:1px solid var(--gray-200)}.preview-table th{background:var(--gray-100);font-weight:600;position:sticky;top:0}.old-name{color:#ef4444;font-family:monospace}.new-name{color:#10b981;font-family:monospace;font-weight:500}.btn-primary{background:linear-gradient(135deg, #667eea, #764ba2);border:none;padding:12px 28px;border-radius:40px;color:white;font-weight:600;cursor:pointer;transition:all 0.3s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(102,126,234,0.3)}.btn-secondary-sm{background:var(--gray-200);border:none;padding:6px 14px;border-radius:30px;cursor:pointer;font-size:0.75rem}.action-btn-sm{background:transparent;border:1px solid var(--gray-300);padding:6px 14px;border-radius:30px;cursor:pointer;font-size:0.75rem;transition:all 0.2s}.action-btn-sm:hover{background:var(--gray-200)}.info-footer{margin-top:24px;background:var(--gray-50);border-radius:24px;padding:20px}.info-footer-steps{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px;margin-top:16px}.step-item{display:flex;gap:14px;align-items:flex-start}.step-number{width:32px;height:32px;background:#667eea;color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.step-content h4{font-size:0.85rem;margin-bottom:4px}.step-content p{font-size:0.7rem;color:var(--gray-500)}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.format-info-grid{grid-template-columns:1fr}.info-footer-steps{grid-template-columns:repeat(2, 1fr)}.rule-row{flex-direction:column;align-items:flex-start}.rule-row label{width:auto}.number-settings{width:100%}}@media (max-width:768px){.info-footer-steps{grid-template-columns:1fr}.preview-table th,.preview-table td{font-size:0.7rem;padding:8px}.stats-cards{gap:12px}.stat-card{padding:10px 16px}}