*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #1d4ed8;--primary-dark: #1e40af;--primary-light: #dbeafe;--success: #16a34a;--danger: #dc2626;--warning: #d97706;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-500: #6b7280;--gray-700: #374151;--gray-900: #111827;--sidebar-w: 230px;--navbar-h: 56px;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06)}body{font-family:system-ui,-apple-system,sans-serif;background:var(--gray-50);color:var(--gray-900)}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.w-full{width:100%}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.font-bold{font-weight:700}.font-medium{font-weight:500}.text-center{text-align:center}.text-muted{color:var(--gray-500)}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.p-2{padding:8px}.p-4{padding:16px}.p-6{padding:24px}.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card-title{font-size:1rem;font-weight:600;margin-bottom:12px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:.875rem;font-weight:500;cursor:pointer;border:none;transition:background .15s,opacity .15s}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-outline{background:transparent;color:var(--primary);border:1px solid var(--primary)}.btn-outline:hover:not(:disabled){background:var(--primary-light)}.btn-sm{padding:5px 10px;font-size:.8rem}.btn-ghost{background:transparent;color:var(--gray-700)}.btn-ghost:hover{background:var(--gray-100)}.form-group{display:flex;flex-direction:column;gap:4px;margin-bottom:16px}.form-label{font-size:.875rem;font-weight:500;color:var(--gray-700)}.form-control{width:100%;padding:8px 12px;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:.875rem;outline:none;transition:border-color .15s}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1d4ed81a}.form-control.error{border-color:var(--danger)}.form-error{color:var(--danger);font-size:.8rem}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.875rem}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--gray-200)}th{background:var(--gray-50);font-weight:600;color:var(--gray-700)}tr:hover td{background:var(--gray-50)}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:.75rem;font-weight:600}.badge-success{background:#dcfce7;color:var(--success)}.badge-danger{background:#fee2e2;color:var(--danger)}.badge-warning{background:#fef3c7;color:var(--warning)}.badge-info{background:var(--primary-light);color:var(--primary)}.alert{padding:12px 16px;border-radius:var(--radius);font-size:.875rem;margin-bottom:16px}.alert-danger{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}.alert-success{background:#dcfce7;color:#166534;border:1px solid #86efac}.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #93c5fd}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:#fff;border-radius:var(--radius);padding:24px;min-width:360px;max-width:90vw;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-md)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-title{font-size:1.1rem;font-weight:600}.modal-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.spinner{width:20px;height:20px;border-radius:50%;border:2px solid var(--gray-300);border-top-color:var(--primary);animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{display:flex;justify-content:center;align-items:center;padding:40px}.stat-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.stat-card .stat-value{font-size:1.8rem;font-weight:700;color:var(--primary)}.stat-card .stat-label{font-size:.8rem;color:var(--gray-500);margin-top:2px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-title{font-size:1.4rem;font-weight:700}.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:#fff;border-right:1px solid var(--gray-200);display:flex;flex-direction:column;overflow-y:auto;z-index:100}.sidebar-brand{display:flex;flex-direction:column;padding:20px 16px 12px;border-bottom:1px solid var(--gray-200)}.sidebar-nav{list-style:none;padding:8px 0;flex:1}.sidebar-nav li{margin:2px 6px}.sidebar-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius);color:var(--gray-700);font-size:.875rem;font-weight:500;transition:background .12s,color .12s}.sidebar-link:hover{background:var(--gray-100);text-decoration:none}.sidebar-link.active{background:var(--primary-light);color:var(--primary);font-weight:600}.sidebar-icon{font-size:1rem;width:20px;text-align:center}.sidebar-footer{padding:12px;border-top:1px solid var(--gray-200)}.sidebar-user{padding:4px 0 6px}@media (max-width: 768px){:root{--sidebar-w: 0px}.sidebar{display:none}.page-title{font-size:1.1rem}}