:root{--primary: #1d4ed8;--primary-dark: #1e40af;--primary-light: #dbeafe;--success: #059669;--warning: #d97706;--danger: #dc2626;--muted: #6b7280;--border: #e5e7eb;--bg: #f3f4f6;--card: #ffffff;--text: #111827;--sidebar-bg: #0f172a;--sidebar-text: #cbd5e1}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid transparent;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;background:var(--primary);color:#fff;transition:.15s}.btn:hover{background:var(--primary-dark)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark)}.btn-ghost{background:#fff;color:var(--text);border-color:var(--border)}.btn-ghost:hover{background:var(--bg)}.btn-danger{background:var(--danger)}.btn-danger:hover{background:#b91c1c}.btn-success{background:var(--success)}.btn-success:hover{background:#047857}.btn-sm{padding:5px 10px;font-size:12px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;box-shadow:0 1px 2px #0000000a}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}}input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:inherit;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary-light);border-color:var(--primary)}label{display:block;font-size:12px;font-weight:600;margin-bottom:4px;color:var(--muted)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}th{background:#f9fafb;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase}tbody tr:hover{background:#f9fafb}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:700}.badge-blue{background:var(--primary-light);color:var(--primary-dark)}.badge-gray{background:#e5e7eb;color:#374151}.badge-green{background:#d1fae5;color:#065f46}.badge-amber{background:#fef3c7;color:#92400e}.badge-red{background:#fee2e2;color:#991b1b}.badge-purple{background:#ede9fe;color:#5b21b6}.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px;flex-wrap:wrap}.page-title{font-size:20px;font-weight:700}.page-sub{color:var(--muted);font-size:13px;margin-top:2px}.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}.toolbar input[type=text]{max-width:260px}.toolbar select{width:auto}.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px}.pagination span{color:var(--muted);font-size:13px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}.modal{background:#fff;border-radius:14px;width:100%;max-width:640px;max-height:90vh;overflow-y:auto;padding:20px}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.modal-title{font-size:17px;font-weight:700}.modal-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--muted)}.alert{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:12px}.alert-error{background:#fee2e2;color:#991b1b}.alert-success{background:#d1fae5;color:#065f46}.alert-info{background:#dbeafe;color:#1e40af}.spinner{width:22px;height:22px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.center{display:flex;justify-content:center;padding:30px 0}.sidebar{width:230px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0}.sidebar-brand{padding:18px 16px;color:#fff;font-weight:700;font-size:15px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;gap:8px;align-items:center}.sidebar-nav{padding:10px 8px;flex:1;overflow-y:auto}.nav-item{display:block;padding:9px 12px;border-radius:8px;color:var(--sidebar-text);font-size:13.5px;margin-bottom:2px;text-decoration:none}.nav-item:hover{background:#ffffff14;color:#fff;text-decoration:none}.nav-item.active{background:var(--primary);color:#fff}.nav-section{font-size:11px;text-transform:uppercase;color:#64748b;padding:14px 12px 6px;font-weight:700}.main{margin-left:230px;min-height:100vh;display:flex;flex-direction:column}.topbar{background:#fff;border-bottom:1px solid var(--border);padding:12px 24px;display:flex;justify-content:space-between;align-items:center}.content{padding:22px 24px;flex:1;max-width:1280px;width:100%}.stat-card{display:flex;align-items:center;gap:14px}.stat-icon{width:46px;height:46px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px}.stat-value{font-size:24px;font-weight:800}.stat-label{color:var(--muted);font-size:12.5px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#1d4ed8);padding:16px}.login-card{background:#fff;border-radius:16px;padding:32px;width:100%;max-width:400px;box-shadow:0 20px 40px #0003}.login-logo{text-align:center;margin-bottom:18px;font-size:24px}.login-title{text-align:center;font-size:19px;font-weight:800;margin-bottom:4px}.login-sub{text-align:center;color:var(--muted);font-size:13px;margin-bottom:22px}.form-group{margin-bottom:14px}.help-text{font-size:12px;color:var(--muted);margin-top:4px}.progress-bar{background:var(--border);border-radius:999px;height:8px;overflow:hidden}.progress-fill{background:var(--primary);height:100%;border-radius:999px}