/* Dashboard Theme (EMQX style) */
:root {
  --bg-primary:#1a1a2e;--bg-secondary:#16213e;--bg-card:#1e2a4a;--bg-sidebar:#0f1729;
  --bg-input:#233258;--text-primary:#e0e6f0;--text-secondary:#8892a4;--text-muted:#5a6478;
  --accent:#4a6cf7;--accent-hover:#3a5ce5;--accent-light:rgba(74,108,247,0.12);
  --success:#22c55e;--success-bg:rgba(34,197,94,0.12);
  --danger:#ef4444;--danger-bg:rgba(239,68,68,0.12);
  --warning:#f59e0b;--warning-bg:rgba(245,158,11,0.12);
  --info:#3b82f6;--info-bg:rgba(59,130,246,0.12);
  --border:#2a3a5c;--radius:8px;--radius-lg:12px;
  --shadow:0 2px 12px rgba(0,0,0,0.25);--shadow-lg:0 8px 32px rgba(0,0,0,0.35);
  --sidebar-width:240px;--header-height:60px;--transition:0.2s ease;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter','Segoe UI',Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;display:flex;line-height:1.5}
.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);position:fixed;top:0;left:0;bottom:0;z-index:100;display:flex;flex-direction:column;overflow-y:auto;transition:transform var(--transition)}
.sidebar-logo{padding:20px 16px;border-bottom:1px solid var(--border);text-align:center}
.sidebar-logo h2{color:var(--accent);font-size:18px;font-weight:700}
.sidebar-logo small{color:var(--text-muted);font-size:11px;display:block;margin-top:4px}
.sidebar-nav{flex:1;padding:12px 0}
.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:12px 20px;color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;transition:all var(--transition);border-left:3px solid transparent}
.sidebar-nav a:hover{background:var(--accent-light);color:var(--text-primary)}
.sidebar-nav a.active{background:var(--accent-light);color:var(--accent);border-left-color:var(--accent)}
.sidebar-nav a .icon{font-size:18px;width:22px;text-align:center;flex-shrink:0}
.sidebar-user{padding:16px 20px;border-top:1px solid var(--border);display:flex;align-items:center;gap:10px}
.sidebar-user .avatar{width:36px;height:36px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff;flex-shrink:0}
.sidebar-user .info{flex:1;min-width:0}
.sidebar-user .info .name{font-size:13px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-user .info .role{font-size:11px;color:var(--text-muted)}
.sidebar-user .logout{background:none;border:none;color:var(--danger);cursor:pointer;font-size:16px;padding:4px;border-radius:4px}
.sidebar-user .logout:hover{background:var(--danger-bg)}
.main{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-height:100vh}
.header{height:var(--header-height);background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:50}
.header h1{font-size:18px;font-weight:600}
.header .header-actions{display:flex;align-items:center;gap:12px}
.header .header-actions select{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius);padding:6px 12px;font-size:13px}
.mobile-menu-btn{display:none;background:none;border:none;color:var(--text-primary);font-size:22px;cursor:pointer;padding:4px}
.content{flex:1;padding:24px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;display:flex;align-items:center;gap:16px;transition:transform var(--transition),box-shadow var(--transition)}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.stat-card .stat-icon{width:48px;height:48px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.stat-card .stat-icon.blue{background:var(--info-bg);color:var(--info)}
.stat-card .stat-icon.green{background:var(--success-bg);color:var(--success)}
.stat-card .stat-icon.orange{background:var(--warning-bg);color:var(--warning)}
.stat-card .stat-icon.red{background:var(--danger-bg);color:var(--danger)}
.stat-card .stat-text .label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:4px}
.stat-card .stat-text .value{font-size:24px;font-weight:700}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:24px}
.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-header h3{font-size:15px;font-weight:600}
.card-body{padding:20px}
.card-body.no-padding{padding:0}
.table-wrapper{overflow-x:auto}
table{width:100%;border-collapse:collapse}
table th,table td{padding:12px 16px;text-align:left;font-size:13px;border-bottom:1px solid var(--border);white-space:nowrap}
table th{background:var(--bg-secondary);color:var(--text-muted);font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:0.5px}
table tr:hover td{background:rgba(74,108,247,0.04)}
table tr:last-child td{border-bottom:none}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}
.badge-online{background:var(--success-bg);color:var(--success)}
.badge-offline{background:var(--danger-bg);color:var(--danger)}
.badge-warning{background:var(--warning-bg);color:var(--warning)}
.badge-info{background:var(--info-bg);color:var(--info)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border:none;border-radius:var(--radius);font-size:13px;font-weight:500;cursor:pointer;transition:all var(--transition);text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover)}
.btn-success{background:var(--success);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-warning{background:var(--warning);color:#1a1a2e}
.btn-warning:hover{background:#e09000}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-secondary)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-group{display:flex;gap:6px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:14px;transition:border-color var(--transition);font-family:inherit}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.search-bar{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.search-bar input{flex:1;min-width:200px;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:14px}
.search-bar input:focus{outline:none;border-color:var(--accent)}
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.6);z-index:200;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.modal-overlay.show{display:flex}
.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);width:90%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-header h3{font-size:16px;font-weight:600}
.modal-close{background:none;border:none;color:var(--text-muted);font-size:20px;cursor:pointer;padding:4px;border-radius:4px}
.modal-close:hover{background:var(--danger-bg);color:var(--danger)}
.modal-body{padding:20px}
.modal-footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
.toast-container{position:fixed;top:16px;right:16px;z-index:1000;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 20px;border-radius:var(--radius);font-size:13px;font-weight:500;color:#fff;box-shadow:var(--shadow);animation:slideIn 0.3s ease;display:flex;align-items:center;gap:8px;min-width:280px}
.toast-success{background:#16a34a}
.toast-error{background:#dc2626}
.toast-info{background:#2563eb}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
#map{width:100%;height:400px;border-radius:var(--radius);border:1px solid var(--border)}
.login-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;width:100%;background:var(--bg-primary)}
.login-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}
.login-box h2{text-align:center;margin-bottom:8px;font-size:22px;color:var(--accent)}
.login-box p{text-align:center;color:var(--text-muted);font-size:13px;margin-bottom:24px}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--bg-primary)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--text-muted)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-warning{color:var(--warning)}
.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}
.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-2{gap:8px}.gap-4{gap:16px}.hidden{display:none !important}
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}
  .main{margin-left:0}.header{padding:0 16px}.content{padding:16px}
  .stats-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.form-row{grid-template-columns:1fr}
  .mobile-menu-btn{display:block !important}
}

/* Cabinet shared utilities */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}
.stat-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;display:flex;flex-direction:column;gap:8px}
.stat-box .stat-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px}
.stat-box .stat-value{font-size:26px;font-weight:700}
.method-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:20px}
.method-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;text-align:center;cursor:pointer;transition:all var(--transition)}
.method-card:hover{border-color:var(--accent);transform:translateY(-1px)}
.method-card.selected{border-color:var(--accent);background:var(--accent-light)}
.method-card .method-icon{font-size:24px;display:block;margin-bottom:8px}
.device-actions{display:flex;gap:8px;flex-wrap:wrap}
.toast-container{position:fixed;inset-inline-end:16px;inset-block-start:16px;z-index:1000;display:flex;flex-direction:column;gap:8px}
.global-toast{padding:12px 16px;border-radius:var(--radius);font-size:13px;color:#fff;background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow)}
.global-toast.success{background:var(--success)}
.global-toast.error{background:var(--danger)}
.global-toast.warning{background:var(--warning);color:#1a1a2e}
.balance-value{font-size:32px;font-weight:700;color:var(--success)}
.last-checked-online{color:var(--success);font-weight:600}
.last-checked-offline{color:var(--text-muted)}