/* ============================================================
   Admin Dashboard — Modern Glass
   ============================================================ */

.admin-badge {
    background: var(--primary-gradient);
    color: white;
    padding: 0.2rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    margin: 0 0.5rem;
    letter-spacing: 0.05em;
}

.impersonation-banner {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 0.75rem 0;
    text-align: center;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.impersonation-banner .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-sm {
    padding: 0.375rem 1rem;
    font-size: 0.85rem;
}

.admin-main {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
}

.admin-header {
    margin-bottom: 2rem;
}

.admin-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    letter-spacing: -0.02em;
}

.admin-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Tabs — Pill Style */
.admin-tabs {
    border-bottom: none;
    margin-bottom: 2rem;
    display: flex;
    gap: 0.25rem;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    padding: 0.25rem;
    width: fit-content;
}

.admin-tabs .tab-btn {
    padding: 0.6rem 1.25rem;
    background: transparent;
    border: none;
    border-bottom: none;
    margin-bottom: 0;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--duration-normal) var(--ease-out);
    font-family: inherit;
}

.admin-tabs .tab-btn.active {
    color: var(--primary-color);
    background: white;
    box-shadow: var(--shadow-sm);
    border-bottom-color: transparent;
}

.admin-tabs .tab-btn:hover:not(.active) {
    color: var(--text-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn var(--duration-normal) var(--ease-out);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}

.search-box input,
.filter-select {
    padding: 0.55rem 1rem;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-family: inherit;
    min-width: 250px;
    background: rgba(255, 255, 255, 0.7);
    transition: all var(--duration-normal) var(--ease-out);
    outline: none;
}

.search-box input:focus,
.filter-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: white;
}

.filter-controls {
    display: flex;
    gap: 0.75rem;
}

.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

/* Users Grid */
.users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.user-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--duration-normal) var(--ease-out);
    box-shadow: var(--shadow-sm);
}

.user-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: rgba(99, 102, 241, 0.1);
}

.user-card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.75rem;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.15rem;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
    flex-shrink: 0;
}

.user-info {
    flex: 1;
    margin-left: 1rem;
}

.user-name {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.15rem;
    letter-spacing: -0.01em;
}

.user-email {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.user-badges {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.5rem;
}

.badge {
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-admin {
    background: var(--primary-glow);
    color: var(--primary-color);
}

.badge-user {
    background: var(--gray-100);
    color: var(--text-secondary);
}

.badge-inactive {
    background: var(--error-light);
    color: var(--error);
}

.user-meta {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-100);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.user-actions {
    display: flex;
    gap: 0.4rem;
    margin-top: 1rem;
}

.btn-icon {
    padding: 0.5rem;
    border: 1px solid var(--gray-200);
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-fast);
    font-size: 1rem;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--primary-glow);
    border-color: var(--primary-light);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.btn-icon.danger:hover {
    border-color: var(--error);
    color: var(--error);
    background: var(--error-light);
}

/* Audit Table */
.audit-table-container {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.audit-table {
    width: 100%;
    border-collapse: collapse;
}

.audit-table thead {
    background: rgba(248, 250, 252, 0.7);
}

.audit-table th {
    padding: 0.85rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.78rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--gray-200);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.audit-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.875rem;
    color: var(--text-primary);
}

.audit-table tbody tr {
    transition: background var(--duration-fast);
}

.audit-table tbody tr:hover {
    background: rgba(248, 250, 252, 0.6);
}

.audit-table tbody tr:last-child td {
    border-bottom: none;
}

.audit-action {
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.72rem;
    display: inline-block;
    letter-spacing: 0.02em;
}

.audit-action.login { background: var(--info-light); color: #1E40AF; }
.audit-action.logout { background: var(--gray-100); color: var(--gray-500); }
.audit-action.register { background: var(--success-light); color: #065F46; }
.audit-action.impersonate_start { background: var(--warning-light); color: #92400E; }
.audit-action.impersonate_end { background: var(--warning-light); color: #92400E; }
.audit-action.role_change { background: rgba(139, 92, 246, 0.1); color: #6D28D9; }
.audit-action.user_update { background: var(--info-light); color: #1E40AF; }

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination button {
    padding: 0.5rem 1rem;
    border: 1px solid var(--gray-200);
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-fast);
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--text-secondary);
}

.pagination button:hover:not(:disabled) {
    background: var(--primary-glow);
    border-color: var(--primary-light);
    color: var(--primary-color);
}

.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination .page-info {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.5);
    animation: scaleIn var(--duration-normal) var(--ease-spring);
}

.modal-content.modal-sm {
    max-width: 400px;
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-close {
    background: var(--gray-100);
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all var(--duration-fast);
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Toggle */
.toggle-switch {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toggle-switch input[type="checkbox"] {
    display: none;
}

.toggle-label {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    gap: 0.5rem;
}

.toggle-inner {
    width: 48px;
    height: 26px;
    background: var(--gray-300);
    border-radius: 13px;
    position: relative;
    transition: all var(--duration-normal) var(--ease-out);
}

.toggle-inner::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: all var(--duration-normal) var(--ease-spring);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

input[type="checkbox"]:checked + .toggle-label .toggle-inner {
    background: var(--success);
}

input[type="checkbox"]:checked + .toggle-label .toggle-inner::after {
    left: 24px;
}

.btn-danger {
    background: linear-gradient(135deg, #EF4444, #F87171);
    color: white;
    padding: 0.55rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--duration-normal) var(--ease-out);
    font-family: inherit;
}

.btn-danger:hover {
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
    transform: translateY(-1px);
}

/* ============================================================
   System Dashboard
   ============================================================ */

.sys-info-bar {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: var(--radius-lg);
    padding: 0.75rem 1.25rem;
    margin-bottom: 1.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
}

.sys-info-bar .sys-info-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.sys-info-bar .sys-info-label {
    font-weight: 600;
    color: var(--text-primary);
}

.sys-info-bar .sys-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    display: inline-block;
    box-shadow: 0 0 6px rgba(16,185,129,0.4);
    animation: pulse-glow 2s ease-in-out infinite;
}

.sys-auto-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: 0.4rem 0.75rem;
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

.sys-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.sys-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-normal) var(--ease-out);
}

.sys-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.sys-card-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
}

.sys-card-value {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
}

.sys-card-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.35rem;
}

.sys-card-value.green { color: var(--success); }
.sys-card-value.blue { color: #3B82F6; }
.sys-card-value.purple { color: #8B5CF6; }
.sys-card-value.orange { color: #F59E0B; }
.sys-card-value.red { color: var(--error); }
.sys-card-value.indigo { color: var(--primary-color); }

.sys-charts-row {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.sys-chart-card {
    flex: 1;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.sys-chart-card h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin: 0 0 1rem;
}

.sys-chart-sub {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.sys-gauges-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.sys-gauge-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.sys-gauge-card h4 {
    font-size: 0.85rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}

.sys-gauge-bar {
    height: 10px;
    background: var(--gray-100);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.sys-gauge-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 0.6s var(--ease-out);
}

.sys-gauge-fill.green { background: linear-gradient(90deg, #10B981, #34D399); }
.sys-gauge-fill.yellow { background: linear-gradient(90deg, #F59E0B, #FBBF24); }
.sys-gauge-fill.red { background: linear-gradient(90deg, #EF4444, #F87171); }

.sys-gauge-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.sys-section {
    margin-bottom: 1.5rem;
}

.sys-section h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}

.sys-log-list {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: var(--radius-lg);
    max-height: 300px;
    overflow-y: auto;
    box-shadow: var(--shadow-sm);
}

.sys-log-item {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sys-log-item:last-child { border-bottom: none; }

.sys-log-status {
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.7rem;
    min-width: 36px;
    text-align: center;
}

.sys-log-status.s4xx { background: var(--warning-light); color: #92400E; }
.sys-log-status.s5xx { background: var(--error-light); color: var(--error); }
.sys-log-status.slow { background: var(--info-light); color: #1E40AF; }

.sys-log-path {
    flex: 1;
    font-family: 'Courier New', monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}

.sys-log-time {
    color: var(--text-secondary);
    font-size: 0.7rem;
    white-space: nowrap;
}

.sys-log-duration {
    font-weight: 600;
    white-space: nowrap;
}

.sys-empty {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.sys-status-codes {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.sys-status-pill {
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--glass-bg);
    border: 1px solid rgba(255,255,255,0.6);
    box-shadow: var(--shadow-sm);
}

.sys-status-pill .code { margin-right: 0.4rem; }
.sys-status-pill.c2xx .code { color: var(--success); }
.sys-status-pill.c3xx .code { color: #3B82F6; }
.sys-status-pill.c4xx .code { color: #F59E0B; }
.sys-status-pill.c5xx .code { color: var(--error); }

/* Responsive */
@media (max-width: 768px) {
    .users-grid {
        grid-template-columns: 1fr;
    }

    .section-header {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .search-box input,
    .filter-select {
        width: 100%;
        min-width: auto;
    }

    .admin-tabs {
        width: 100%;
    }

    .audit-table-container {
        overflow-x: auto;
    }

    .audit-table {
        min-width: 800px;
    }

    .filter-controls {
        flex-direction: column;
    }

    .sys-charts-row {
        flex-direction: column;
    }

    .sys-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .sys-gauges-row {
        grid-template-columns: 1fr;
    }
}

/* ── Device Fleet Tab ── */
.devices-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.device-stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-align: center;
}
.device-stat-value {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.25rem;
}
.device-stat-value.green { color: var(--success); }
.device-stat-value.red { color: var(--error); }
.device-stat-value.gray { color: var(--gray-400); }
.device-stat-value.blue { color: var(--primary-color); }
.device-stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 1.25rem;
}

.device-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--duration-fast), box-shadow var(--duration-fast);
}
.device-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.device-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}
.device-serial {
    font-size: 1.1rem;
    font-weight: 700;
    font-family: monospace;
    color: var(--text-primary);
}
.device-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.15rem;
}
.device-status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
    margin-top: 4px;
}
.device-status-dot.online {
    background: var(--success);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
    animation: pulse-dot 2s infinite;
}
.device-status-dot.offline { background: var(--error); }
.device-status-dot.disabled { background: var(--gray-400); }

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.device-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.82rem;
}
.device-meta-item {
    color: var(--text-secondary);
}
.device-meta-item strong {
    color: var(--text-primary);
    font-weight: 600;
}

.device-version-badge {
    display: inline-block;
    background: var(--primary-glow);
    color: var(--primary-color);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    font-family: monospace;
}
.device-version-badge.pending {
    background: var(--warning-light);
    color: #b45309;
}

.device-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    border-top: 1px solid rgba(0,0,0,0.06);
    padding-top: 0.75rem;
}
.device-actions button {
    flex: 1;
    min-width: 0;
    padding: 0.5rem 0.25rem;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: white;
    color: var(--text-primary);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--duration-fast);
}
.device-actions button:hover {
    background: var(--gray-50);
}
.device-actions button.danger {
    color: var(--error);
    border-color: var(--error-light);
}
.device-actions button.danger:hover {
    background: var(--error-light);
}

.devices-empty {
    text-align: center;
    color: var(--text-secondary);
    padding: 4rem 2rem;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .devices-stats { grid-template-columns: repeat(2, 1fr); }
    .devices-grid { grid-template-columns: 1fr; }
}

.device-actions button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============================================================
   Remote Screen Viewer (iframe — full KDS page)
   ============================================================ */

/* Device Group Headers */
.device-group { margin-bottom: 1.5rem; }
.device-group-header {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--glass-bg);
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: var(--radius-lg);
    cursor: pointer;
    user-select: none;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-fast);
}
.device-group-header:hover { box-shadow: var(--shadow-md); }
.device-group-title { display: flex; align-items: center; gap: 0.75rem; width: 100%; }
.device-group-chevron { font-size: 0.7rem; color: var(--text-secondary); transition: transform 0.2s; flex-shrink: 0; }
.device-group-name { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.device-group-count { font-size: 0.8rem; color: var(--text-secondary); font-weight: 500; }
.device-group-online { font-size: 0.8rem; color: var(--success); font-weight: 600; margin-left: auto; }

/* Device Subgroups (business name within owner) */
.device-subgroup { margin: 0.5rem 0 0.5rem 1rem; }
.device-subgroup-header { display: flex; align-items: center; gap: 0.6rem; padding: 0.5rem 0.75rem; cursor: pointer; border-radius: 6px; transition: background 0.15s; }
.device-subgroup-header:hover { background: rgba(255,255,255,0.03); }
.device-subgroup-chevron { font-size: 0.6rem; color: var(--text-secondary); transition: transform 0.2s; flex-shrink: 0; }
.device-subgroup-name { font-size: 0.95rem; font-weight: 600; color: var(--text-secondary); }

/* Event Log Modal */
.event-log-modal { max-width: 900px; max-height: 85vh; display: flex; flex-direction: column; }
.event-log-modal .modal-body { overflow: hidden; display: flex; flex-direction: column; flex: 1; }
.event-log-controls { display: flex; gap: 0.5rem; margin-bottom: 1rem; align-items: center; flex-wrap: wrap; }
.event-log-controls input, .event-log-controls select { padding: 0.4rem 0.6rem; border: 1px solid var(--gray-200); border-radius: 6px; font-size: 0.85rem; }
.event-log-status { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.5rem; }
.event-log-status.loading { color: var(--primary-color); }
.event-log-status.error { color: var(--error); }
.event-log-table-container { overflow-y: auto; flex: 1; max-height: 60vh; }
.event-time { white-space: nowrap; font-family: monospace; font-size: 0.8rem; }
.event-type-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
.event-type-badge.order { background: #DBEAFE; color: #1E40AF; }
.event-type-badge.conn { background: #D1FAE5; color: #065F46; }
.event-type-badge.sys { background: #FEF3C7; color: #92400E; }
.event-type-badge.ui { background: #EDE9FE; color: #5B21B6; }
.event-details { font-size: 0.8rem; }
.event-kv { margin-right: 0.75rem; }
.event-kv strong { color: var(--text-secondary); }

.remote-view-modal {
    max-width: 95vw;
    width: 95vw;
    max-height: 92vh;
    height: 92vh;
    display: flex;
    flex-direction: column;
    background: #1c1c1e;
    overflow: hidden;
}

.remote-view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1.25rem;
    background: #2c2c2e;
    border-bottom: 1px solid #3a3a3c;
    flex-shrink: 0;
}

.remote-serial {
    font-family: monospace;
    font-weight: 700;
    font-size: 0.95rem;
    color: #fff;
}

.remote-iframe {
    width: 100%;
    flex: 1;
    border: none;
    background: #000;
}

/* ============================================
   Security Alert Panel
   ============================================ */
.security-alert {
    padding: 16px 20px;
    border-radius: 10px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    animation: alertPulse 2s ease-in-out infinite;
}
.security-alert .alert-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}
.security-alert .alert-details {
    font-weight: 400;
    font-size: 0.85rem;
    opacity: 0.85;
    margin-left: auto;
}
.security-alert.level-low {
    background: linear-gradient(135deg, #065F46, #047857);
    color: #D1FAE5;
    animation: none;
}
.security-alert.level-medium {
    background: linear-gradient(135deg, #92400E, #B45309);
    color: #FEF3C7;
    animation: none;
}
.security-alert.level-high {
    background: linear-gradient(135deg, #991B1B, #DC2626);
    color: #FEE2E2;
}
.security-alert.level-critical {
    background: linear-gradient(135deg, #7F1D1D, #EF4444);
    color: #FFF;
    animation: alertCritical 1s ease-in-out infinite;
}
@keyframes alertPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.88; }
}
@keyframes alertCritical {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.9; transform: scale(1.005); }
}

.security-stat-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}
.security-stat-badge.red { background: rgba(239,68,68,0.15); color: #EF4444; }
.security-stat-badge.orange { background: rgba(245,158,11,0.15); color: #F59E0B; }
.security-stat-badge.green { background: rgba(16,185,129,0.15); color: #10B981; }
.security-stat-badge.blue { background: rgba(59,130,246,0.15); color: #3B82F6; }

#securitySection .sys-log-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.82rem;
}
#securitySection .ip-badge {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    background: rgba(99,102,241,0.12);
    padding: 2px 8px;
    border-radius: 4px;
    color: #A5B4FC;
}
#securitySection .count-badge {
    margin-left: auto;
    font-weight: 600;
}
#securitySection .jail-badge {
    font-size: 0.72rem;
    padding: 1px 6px;
    border-radius: 4px;
    background: rgba(239,68,68,0.15);
    color: #FCA5A5;
    text-transform: uppercase;
}
#securitySection .ban-time {
    color: rgba(255,255,255,0.5);
    font-size: 0.78rem;
}

/* ============================================
   Security History
   ============================================ */
.security-history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.history-item {
    padding: 12px 16px;
    border-radius: 8px;
    background: rgba(255,255,255,0.03);
    border-left: 3px solid rgba(255,255,255,0.1);
}
.history-item.level-medium { border-left-color: #F59E0B; }
.history-item.level-high { border-left-color: #EF4444; }
.history-item.level-critical { border-left-color: #DC2626; }

.history-item-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.history-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.history-status-dot.resolved { background: #6B7280; }
.history-status-dot.active { background: #EF4444; animation: activePulse 1.5s infinite; }
@keyframes activePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
    50% { box-shadow: 0 0 0 6px rgba(239,68,68,0); }
}
.history-level-badge {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}
.history-level-badge.level-medium { background: rgba(245,158,11,0.15); color: #F59E0B; }
.history-level-badge.level-high { background: rgba(239,68,68,0.15); color: #EF4444; }
.history-level-badge.level-critical { background: rgba(220,38,38,0.2); color: #FCA5A5; }

.history-date {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.6);
}
.history-duration {
    margin-left: auto;
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.06);
    padding: 2px 8px;
    border-radius: 4px;
}
.history-item-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.history-stat {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.5);
}
.history-stat strong {
    color: rgba(255,255,255,0.85);
    font-weight: 600;
}