*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #f5f5f5;--surface: #ffffff;--border: #e0e0e0;--text: #1a1a1a;--text-secondary: #666;--primary: #6b2fa0;--primary-hover: #5a2589;--danger: #d32f2f;--danger-hover: #b71c1c;--success: #2e7d32;--warning: #f57c00;--radius: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);padding:20px 0;flex-shrink:0;display:flex;flex-direction:column}.sidebar h1{font-size:18px;padding:0 20px 20px;border-bottom:1px solid var(--border);color:var(--primary)}.sidebar nav{padding:8px 0;overflow-y:auto}.sidebar .nav-group{margin-bottom:4px}.sidebar .nav-group-title{display:flex;align-items:center;gap:6px;width:100%;background:none;border:0;cursor:pointer;padding:8px 20px 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14px;font-weight:600;font-size:12px;text-transform:uppercase;color:var(--text-secondary);border-bottom:1px solid var(--border)}td{padding:10px 14px;border-bottom:1px solid var(--border)}tbody tr:hover{background:#fafafa}tbody tr:last-child td{border-bottom:none}.toolbar{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}.toolbar select,.toolbar input{padding:8px 12px;font-size:14px;border:1px solid var(--border);border-radius:var(--radius);outline:none}.toolbar input{width:260px}.pagination{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;font-size:13px;color:var(--text-secondary);border-top:1px solid var(--border)}.pagination-buttons{display:flex;gap:6px}.badge{display:inline-block;padding:2px 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li{margin-bottom:4px}.countdown{font-variant-numeric:tabular-nums;font-weight:600;font-size:13px;color:var(--primary)}.badge-prefix{background:#f0e6f6;color:var(--primary);font-size:11px}.badge-no-prefix{background:#f5f5f5;color:#999;font-size:11px}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.status-dot.active{background:var(--success)}.status-dot.inactive{background:var(--border)}.empty{text-align:center;padding:48px 20px;color:var(--text-secondary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--surface);border-radius:var(--radius);padding:24px;width:480px;max-width:90vw;max-height:90vh;overflow-y:auto}.modal h3{margin-bottom:16px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:20px;height:20px;border:3px solid 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