/* Admin Portal Shell Theme v1.1 - DO NOT edit từ module */
:root{
  --brand-blue:#38b6ff;--brand-blue-dark:#1e88e5;--brand-blue-darker:#1565c0;
  --brand-yellow:#fffd55;--brand-yellow-dark:#f9d423;--brand-yellow-soft:#fef9c3;
  --brand-text:#0f172a;--brand-gray-50:#f8fafc;--brand-gray-100:#f1f5f9;--brand-gray-200:#e2e8f0;
  --brand-gray-300:#cbd5e1;--brand-gray-400:#94a3b8;--brand-gray-500:#64748b;--brand-gray-600:#475569;
  --brand-gray-700:#334155;--brand-gray-800:#1e293b;--brand-gray-900:#0f172a;
  --brand-success:#10b981;--brand-success-soft:#d1fae5;
  --brand-warning:#f59e0b;--brand-warning-soft:#fef3c7;
  --brand-danger:#ef4444;--brand-danger-soft:#fee2e2;
  --brand-info:#3b82f6;--brand-info-soft:#dbeafe;
  --brand-radius-sm:6px;--brand-radius:12px;--brand-radius-lg:20px;
  --brand-shadow-sm:0 2px 4px rgba(0,0,0,0.04);
  --brand-shadow:0 8px 24px rgba(0,0,0,0.08);
  --brand-shadow-hover:0 14px 32px rgba(0,0,0,0.12);
  --sidebar-width:260px;--header-height:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:14px;color:var(--brand-text);background:var(--brand-gray-50);-webkit-font-smoothing:antialiased;line-height:1.5}
a{color:var(--brand-blue-dark);text-decoration:none}
a:hover{text-decoration:underline}
.app{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-width);background:linear-gradient(180deg,var(--brand-gray-900) 0%,var(--brand-gray-800) 100%);color:#fff;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex-shrink:0;transition:width .2s}
.sidebar-header{min-height:var(--header-height);padding:14px 18px 12px;display:flex;flex-direction:column;gap:8px;border-bottom:1px solid rgba(255,255,255,.08);background:#fff}
.sidebar-brand{display:flex;align-items:center;justify-content:center;width:100%;text-decoration:none}
.sidebar-brand:hover{opacity:.85;text-decoration:none}
.sidebar-logo-img{max-width:200px;max-height:42px;width:auto;height:auto;display:block;object-fit:contain}
.sidebar-title{text-align:center;font-weight:700;font-size:13px;color:var(--brand-gray-700);letter-spacing:.2px;line-height:1.3}
.sidebar-title .sub{display:block;font-size:10px;font-weight:500;color:var(--brand-gray-500);letter-spacing:.6px;text-transform:uppercase;margin-top:2px}
.sidebar-nav{flex:1;padding:16px 12px;overflow-y:auto}
.nav-section-title{padding:12px 12px 8px;font-size:11px;text-transform:uppercase;font-weight:700;color:var(--brand-gray-500);letter-spacing:.8px}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:10px;color:var(--brand-gray-300);cursor:pointer;user-select:none;margin-bottom:2px;font-weight:500;transition:all .15s}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.nav-item.active{background:var(--brand-blue);color:#fff;box-shadow:0 4px 12px rgba(56,182,255,.35)}
.nav-item .icon{font-size:18px;flex-shrink:0}
.nav-item .badge-soon{margin-left:auto;background:rgba(255,255,255,.1);color:var(--brand-gray-400);font-size:10px;font-weight:700;padding:2px 7px;border-radius:100px}
.nav-submenu{margin-left:30px;padding-left:12px;border-left:1px solid rgba(255,255,255,.08);margin-top:4px;margin-bottom:8px}
.nav-submenu .nav-item{padding:7px 12px;font-size:13px;color:var(--brand-gray-400);border-left:2px solid transparent;border-radius:6px}
.nav-submenu .nav-item.active{background:rgba(56,182,255,.2);color:#fff;box-shadow:inset 0 0 0 1px var(--brand-blue);border-left:3px solid var(--brand-yellow);font-weight:700;padding-left:11px}
.nav-submenu .nav-item.active .icon{filter:drop-shadow(0 0 4px var(--brand-blue))}
.sidebar-footer{padding:14px 20px;border-top:1px solid rgba(255,255,255,.08);font-size:11px;color:var(--brand-gray-500);text-align:center}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:var(--header-height);background:#fff;border-bottom:1px solid var(--brand-gray-200);display:flex;align-items:center;padding:0 24px;gap:16px;position:sticky;top:0;z-index:50}
.topbar-title{font-weight:700;font-size:16px;color:var(--brand-text)}
.topbar-spacer{flex:1}
.topbar-user{display:flex;align-items:center;gap:10px;padding:6px 12px;background:var(--brand-gray-100);border-radius:100px;font-size:13px;color:var(--brand-gray-700);font-weight:600}
.topbar-user .avatar{width:28px;height:28px;background:linear-gradient(135deg,var(--brand-blue) 0%,var(--brand-blue-darker) 100%);border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px}
.content{flex:1;padding:24px;overflow-x:hidden}
.card{background:#fff;border-radius:var(--brand-radius-lg);padding:20px;box-shadow:var(--brand-shadow);border:1px solid var(--brand-gray-200)}
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.kpi-card{background:#fff;padding:18px;border-radius:var(--brand-radius);border:1px solid var(--brand-gray-200);box-shadow:var(--brand-shadow-sm)}
.kpi-card .label{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--brand-gray-500);font-weight:600}
.kpi-card .value{font-size:28px;font-weight:800;color:var(--brand-text);margin:8px 0 4px;letter-spacing:-.5px}
.kpi-card .delta{font-size:12px;color:var(--brand-gray-500)}
.kpi-card .delta.up{color:var(--brand-success)}
.kpi-card .delta.down{color:var(--brand-danger)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--brand-radius-sm);border:1px solid transparent;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s;background:var(--brand-gray-100);color:var(--brand-gray-700)}
.btn:hover{background:var(--brand-gray-200)}
.btn-primary{background:var(--brand-blue);color:#fff}
.btn-primary:hover{background:var(--brand-blue-dark)}
.btn-success{background:var(--brand-success);color:#fff}
.btn-danger{background:var(--brand-danger);color:#fff}
.btn-warning{background:var(--brand-warning);color:#fff}
.btn-sm{padding:4px 10px;font-size:12px}
.table{width:100%;background:#fff;border-radius:var(--brand-radius);overflow:hidden;border:1px solid var(--brand-gray-200);border-collapse:collapse}
.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--brand-gray-100);font-size:13px}
.table th{background:var(--brand-gray-50);font-weight:700;color:var(--brand-gray-700);font-size:12px;text-transform:uppercase;letter-spacing:.4px}
.table tbody tr:hover{background:var(--brand-gray-50)}
.badge{display:inline-block;padding:3px 10px;border-radius:100px;font-size:11px;font-weight:700;text-transform:uppercase}
.badge.success{background:var(--brand-success-soft);color:var(--brand-success)}
.badge.warning{background:var(--brand-warning-soft);color:var(--brand-warning)}
.badge.danger{background:var(--brand-danger-soft);color:var(--brand-danger)}
.badge.info{background:var(--brand-info-soft);color:var(--brand-info)}
.badge.muted{background:var(--brand-gray-100);color:var(--brand-gray-600)}
.toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.toast{background:#fff;border-radius:var(--brand-radius);padding:14px 20px;box-shadow:var(--brand-shadow-hover);border-left:4px solid var(--brand-blue);font-size:13px;font-weight:500;min-width:260px;animation:slideIn .2s ease-out}
.toast.success{border-color:var(--brand-success)}
.toast.error{border-color:var(--brand-danger)}
.toast.warning{border-color:var(--brand-warning)}
@keyframes slideIn{from{transform:translateX(20px);opacity:0}to{transform:translateX(0);opacity:1}}
.loading-overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:9998}
.loading-overlay.show{display:flex}
.spinner{width:48px;height:48px;border:4px solid var(--brand-gray-200);border-top-color:var(--brand-blue);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.empty-state{text-align:center;padding:60px 20px;color:var(--brand-gray-500)}
.empty-state .icon{font-size:56px;opacity:.4}
.empty-state h2{font-size:18px;color:var(--brand-gray-700);margin:16px 0 8px}
.empty-state p{font-size:14px;line-height:1.6;max-width:480px;margin:0 auto}
@media(max-width:768px){
  .sidebar{position:fixed;left:-100%;z-index:200;transition:left .2s;box-shadow:var(--brand-shadow-hover)}
  .sidebar.open{left:0}
  .topbar-mobile-toggle{display:inline-flex !important;align-items:center;justify-content:center;width:36px;height:36px;background:var(--brand-gray-100);border:none;border-radius:8px;cursor:pointer;font-size:18px}
  .content{padding:16px}
}
.topbar-mobile-toggle{display:none}

/* ============ 8.B.6 — User Menu Dropdown ============ */
.topbar-user{position:relative;display:flex;align-items:center;gap:0}
.user-menu-trigger{display:flex;align-items:center;gap:10px;padding:6px 12px;border-radius:10px;cursor:pointer;transition:all .15s}
.user-menu-trigger:hover{background:rgba(56,182,255,.08)}
.user-menu-trigger .avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand-blue),var(--brand-blue-darker));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.user-menu-trigger .user-info{display:flex;flex-direction:column;line-height:1.2;text-align:right}
.user-menu-trigger .user-name{font-size:13px;font-weight:600;color:var(--brand-text,#0f172a)}
.user-menu-trigger .user-role{font-size:11px;color:var(--brand-gray-500,#64748b)}
.user-menu-trigger .caret{font-size:10px;color:var(--brand-gray-500,#64748b);margin-left:4px}
.user-menu-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:240px;background:#fff;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.15);border:1px solid var(--brand-gray-200,#e2e8f0);z-index:1000;overflow:hidden;animation:dropFade .15s ease-out}
@keyframes dropFade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.user-menu-header{padding:14px 16px;background:var(--brand-gray-50,#f8fafc);border-bottom:1px solid var(--brand-gray-200,#e2e8f0)}
.user-menu-name{font-size:14px;font-weight:700;color:var(--brand-text,#0f172a)}
.user-menu-email{font-size:12px;color:var(--brand-gray-500,#64748b);margin-top:2px}
.user-menu-role{font-size:11px;color:var(--brand-blue-darker,#1565c0);margin-top:4px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.user-menu-item{padding:11px 16px;font-size:13px;cursor:pointer;display:flex;align-items:center;gap:10px;color:var(--brand-gray-700,#334155);transition:background .1s}
.user-menu-item:hover{background:var(--brand-gray-50,#f8fafc);color:var(--brand-blue-darker,#1565c0)}
.user-menu-item:last-child{border-top:1px solid var(--brand-gray-100,#f1f5f9);color:#dc2626}
.user-menu-item:last-child:hover{background:#fee2e2;color:#991b1b}

/* Modal overlay (reuse cho change password + RBAC modals) */
.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.6);display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .15s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{background:#fff;border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.3);max-width:600px;width:90%;max-height:85vh;overflow:hidden;display:flex;flex-direction:column}
.modal-header{padding:18px 24px;border-bottom:1px solid var(--brand-gray-200,#e2e8f0);display:flex;align-items:center;justify-content:space-between}
.modal-header h3{font-size:16px;font-weight:700;margin:0}
.modal-close{background:none;border:none;font-size:24px;color:var(--brand-gray-500,#64748b);cursor:pointer;padding:0;width:32px;height:32px;border-radius:6px}
.modal-close:hover{background:var(--brand-gray-100,#f1f5f9)}
.modal-body{padding:24px;overflow-y:auto;flex:1}
.modal-footer{padding:14px 24px;border-top:1px solid var(--brand-gray-200,#e2e8f0);display:flex;justify-content:flex-end;gap:10px;background:var(--brand-gray-50,#f8fafc)}
.btn{padding:10px 18px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;border:none;transition:all .15s}
.btn-primary{background:linear-gradient(135deg,var(--brand-blue,#38b6ff),var(--brand-blue-darker,#1565c0));color:#fff}
.btn-primary:hover{box-shadow:0 6px 16px rgba(56,182,255,.4)}
.btn-secondary{background:var(--brand-gray-100,#f1f5f9);color:var(--brand-gray-700,#334155)}
.btn-secondary:hover{background:var(--brand-gray-200,#e2e8f0)}
.btn-danger{background:#ef4444;color:#fff}
.btn-danger:hover{background:#dc2626}