:root{--primary: #2563eb;--primary-dark: #1e40af;--secondary: #64748b;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--info: #0ea5e9;--light: #f8fafc;--dark: #1e293b;--border: #e2e8f0;--sidebar-width: 180px;--header-height: 64px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.6;color:var(--dark);background-color:#f1f5f9}.app-wrapper{display:flex;min-height:100vh}.main-content{flex:1;display:flex;flex-direction:column;margin-left:var(--sidebar-width);transition:margin-left .3s ease}.topbar{height:var(--header-height);background-color:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:100}.topbar-left{display:flex;align-items:center;gap:16px}.topbar-title{font-size:18px;font-weight:600;color:var(--dark)}.topbar-right{display:flex;align-items:center;gap:16px}.user-info{display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:8px;background-color:var(--light)}.user-avatar{width:36px;height:36px;border-radius:50%;background-color:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px}.user-details{display:flex;flex-direction:column}.user-name{font-weight:600;font-size:14px}.user-role{font-size:12px;color:var(--secondary)}.sidebar{width:var(--sidebar-width);background-color:var(--dark);color:#fff;height:100vh;position:fixed;left:0;top:0;overflow-y:auto;overflow-x:hidden;transition:transform .3s ease;z-index:200}.sidebar-header{height:var(--header-height);display:flex;align-items:center;padding:0 8px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo{font-size:18px;font-weight:700;color:#fff;text-decoration:none}.sidebar-nav{padding:4px 0}.nav-category{margin-bottom:0}.nav-category-title{padding:4px 8px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:#ffffff80}.nav-item{display:block;padding:4px 8px;color:#fffc;text-decoration:none;transition:all .2s ease;border-left:3px solid transparent;font-size:13px}.nav-item:hover{background-color:#ffffff0d;color:#fff}.nav-item.active{background-color:#2563eb1a;color:#fff;border-left-color:var(--primary)}.nav-item-icon{margin-right:6px;font-size:14px}.content{flex:1;padding:24px}.page-header{margin-bottom:24px}.page-title{font-size:24px;font-weight:700;color:var(--dark);margin-bottom:8px}.page-subtitle{font-size:14px;color:var(--secondary)}.card{background-color:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a;overflow:hidden}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-title{font-size:16px;font-weight:600;color:var(--dark)}.card-body{padding:20px}.card-footer{padding:16px 20px;border-top:1px solid var(--border);background-color:var(--light)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:500;text-decoration:none;border:none;cursor:pointer;transition:all .2s ease;gap:8px}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-secondary{background-color:var(--secondary);color:#fff}.btn-secondary:hover{background-color:#475569}.btn-success{background-color:var(--success);color:#fff}.btn-success:hover{background-color:#059669}.btn-danger{background-color:var(--danger);color:#fff}.btn-danger:hover{background-color:#dc2626}.btn-warning{background-color:var(--warning);color:#fff}.btn-warning:hover{background-color:#d97706}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:12px 24px;font-size:16px}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:6px;font-weight:500;color:var(--dark)}.form-control{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;transition:all .2s ease}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.form-text{display:block;margin-top:4px;font-size:12px;color:var(--secondary)}.invalid-feedback{display:block;margin-top:4px;font-size:12px;color:var(--danger)}.form-check{display:flex;align-items:center;gap:8px}.form-check-input{width:18px;height:18px;cursor:pointer}.table-responsive{overflow-x:auto}.table{width:100%;border-collapse:collapse}.table thead{background-color:var(--light)}.table th{padding:12px 16px;text-align:left;font-weight:600;color:var(--dark);border-bottom:2px solid var(--border)}.table td{padding:12px 16px;border-bottom:1px solid var(--border)}.table tbody tr:hover{background-color:var(--light)}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:12px;font-size:12px;font-weight:500}.badge-success{background-color:#d1fae5;color:#065f46}.badge-danger{background-color:#fee2e2;color:#991b1b}.badge-warning{background-color:#fef3c7;color:#92400e}.badge-secondary{background-color:#e2e8f0;color:#475569}.badge-primary{background-color:#dbeafe;color:#1e40af}.alert{padding:12px 16px;border-radius:6px;margin-bottom:16px;display:flex;align-items:center;gap:12px}.alert-success{background-color:#d1fae5;color:#065f46;border-left:4px solid var(--success)}.alert-danger{background-color:#fee2e2;color:#991b1b;border-left:4px solid var(--danger)}.alert-warning{background-color:#fef3c7;color:#92400e;border-left:4px solid var(--warning)}.alert-info{background-color:#dbeafe;color:#1e40af;border-left:4px solid var(--info)}.pagination{display:flex;align-items:center;gap:8px;margin-top:24px}.pagination a,.pagination span{padding:8px 12px;border-radius:6px;text-decoration:none;color:var(--dark);border:1px solid var(--border);transition:all .2s ease}.pagination a:hover{background-color:var(--light)}.pagination .active{background-color:var(--primary);color:#fff;border-color:var(--primary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:24px}.stat-card{background-color:#fff;padding:20px;border-radius:8px;box-shadow:0 1px 3px #0000001a;border-left:4px solid var(--primary)}.stat-value{font-size:32px;font-weight:700;color:var(--dark)}.stat-label{font-size:14px;color:var(--secondary);margin-top:4px}.text-center{text-align:center}.text-right{text-align:right}.mb-0{margin-bottom:0}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.mt-3{margin-top:24px}.d-flex{display:flex}.justify-between{justify-content:space-between}.align-center{align-items:center}.gap-2{gap:16px}@media(max-width:768px){.main-content{margin-left:0}.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.stats-grid{grid-template-columns:1fr}}