/* ============================================
   MonitoraSite - Modern Design System
   ============================================ */

/* CSS Variables */
:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --secondary: #7c3aed;
    --success: #10b981;
    --success-light: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --info: #3b82f6;
    --info-light: #eff6ff;
    --dark: #1e293b;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --white: #ffffff;
    --body-bg: #f1f5f9;
    --sidebar-width: 260px;
    --sidebar-collapsed: 72px;
    --header-height: 0px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ============================================
   Global Reset & Base
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--body-bg);
    color: var(--gray-800);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

/* ============================================
   Sidebar Layout
   ============================================ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    overflow-y: auto;
}

.sidebar-brand {
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--gray-100);
    text-decoration: none;
    color: var(--gray-900);
    font-weight: 700;
    font-size: 1.15rem;
}

.sidebar-brand:hover {
    color: var(--primary);
}

.sidebar-brand .brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.sidebar-nav {
    flex: 1;
    padding: 0.75rem 0;
}

.sidebar-nav .nav-section {
    padding: 0.5rem 1.5rem 0.25rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
}

.sidebar-nav .nav-item {
    margin: 2px 0.75rem;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--border-radius-sm);
    color: var(--gray-600);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    text-decoration: none;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.sidebar-nav .nav-link:hover {
    background-color: var(--gray-100);
    color: var(--gray-900);
}

.sidebar-nav .nav-link.active {
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}

.sidebar-nav .nav-link.active i {
    color: var(--primary);
}

.sidebar-nav .nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.sidebar-nav .nav-link .nav-badge {
    margin-left: auto;
    background: var(--primary);
    color: white;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-100);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-user .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.sidebar-user .user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user .user-name {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user .user-role {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: var(--transition);
}

.page-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.page-header .page-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-header .page-title i {
    color: var(--primary);
}

.page-content {
    padding: 2rem;
}

/* ============================================
   Cards
   ============================================ */
.card {
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    padding: 1rem 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-body {
    padding: 1.25rem;
}

/* ============================================
   Monitor Cards (Dashboard)
   ============================================ */
.monitor-card {
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    background: var(--white);
    transition: var(--transition);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.monitor-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--primary);
}

.monitor-card .card-top-bar {
    height: 4px;
    background: var(--gray-200);
}

.monitor-card.active .card-top-bar {
    background: linear-gradient(90deg, var(--success), #34d399);
}

.monitor-card.inactive .card-top-bar {
    background: var(--gray-300);
}

.monitor-card .card-head {
    padding: 1rem 1.25rem 0.75rem;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.monitor-card .monitor-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.monitor-card.active .monitor-icon {
    background: var(--success-light);
    color: var(--success);
}

.monitor-card.inactive .monitor-icon {
    background: var(--gray-100);
    color: var(--gray-400);
}

.monitor-card .monitor-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--gray-900);
    margin: 0;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.monitor-card .monitor-url {
    font-size: 0.8rem;
    color: var(--gray-400);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    margin-top: 0.15rem;
}

.monitor-card .card-stats {
    padding: 0.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    flex: 1;
}

.monitor-card .stat-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--gray-500);
}

.monitor-card .stat-row i {
    width: 16px;
    text-align: center;
    color: var(--gray-400);
    font-size: 0.75rem;
}

.monitor-card .stat-row.text-success {
    color: var(--success);
}

.monitor-card .stat-row.text-success i {
    color: var(--success);
}

.monitor-card .card-actions {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--gray-100);
    display: flex;
    gap: 0.375rem;
}

.monitor-card .card-actions .btn {
    flex: 1;
    font-size: 0.8rem;
    padding: 0.4rem;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid transparent;
    cursor: pointer;
    line-height: 1.5;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

.btn-success:hover {
    background: #059669;
    border-color: #059669;
}

.btn-warning {
    background: var(--warning);
    color: white;
    border-color: var(--warning);
}

.btn-danger {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--gray-200);
    background: var(--white);
}

.btn-outline-primary:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline-secondary {
    color: var(--gray-600);
    border-color: var(--gray-200);
    background: var(--white);
}

.btn-outline-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
    color: var(--gray-800);
}

.btn-outline-danger {
    color: var(--danger);
    border-color: var(--gray-200);
    background: var(--white);
}

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

.btn-outline-success {
    color: var(--success);
    border-color: var(--gray-200);
    background: var(--white);
}

.btn-outline-success:hover {
    background: var(--success-light);
    border-color: var(--success);
}

.btn-outline-info {
    color: var(--info);
    border-color: var(--gray-200);
    background: var(--white);
}

.btn-outline-info:hover {
    background: var(--info-light);
    border-color: var(--info);
}

.btn-outline-warning {
    color: var(--warning);
    border-color: var(--gray-200);
    background: var(--white);
}

.btn-outline-warning:hover {
    background: var(--warning-light);
    border-color: var(--warning);
}

.btn-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
}

.btn-gradient:hover {
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
    transform: translateY(-1px);
    color: white;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.65rem 1.5rem;
    font-size: 1rem;
}

/* ============================================
   Forms
   ============================================ */
.form-control, .form-select {
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--gray-300);
    padding: 0.6rem 0.875rem;
    font-size: 0.9rem;
    transition: var(--transition);
    background-color: var(--white);
    color: var(--gray-800);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--gray-700);
    margin-bottom: 0.375rem;
}

.form-text {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.input-group-text {
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
    border: 1px solid var(--gray-300);
    border-right: 0;
    background: var(--gray-50);
    color: var(--gray-500);
    padding: 0.6rem 0.75rem;
    font-size: 0.9rem;
}

.input-group .form-control {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    border-color: var(--primary);
}

/* ============================================
   Badges
   ============================================ */
.badge {
    padding: 0.35em 0.65em;
    font-weight: 600;
    font-size: 0.75rem;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

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

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

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

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

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

.badge-secondary {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* ============================================
   Tables
   ============================================ */
.table {
    font-size: 0.875rem;
    color: var(--gray-700);
}

.table > thead {
    background: var(--gray-50);
}

.table > thead th {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    color: var(--gray-500);
    border-bottom: 2px solid var(--gray-200);
    padding: 0.75rem;
    white-space: nowrap;
}

.table > tbody > tr {
    transition: var(--transition);
}

.table > tbody > tr:hover {
    background-color: var(--gray-50);
}

.table > tbody td {
    padding: 0.75rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-100);
}

/* ============================================
   Stats Cards
   ============================================ */
.stats-card {
    border: none;
    border-radius: var(--border-radius);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

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

.stats-card .stats-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stats-card .stats-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
}

.stats-card .stats-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gray-500);
}

.stats-card .stats-change {
    font-size: 0.75rem;
    font-weight: 600;
}

/* ============================================
   Alerts / Toasts
   ============================================ */
.alert {
    border-radius: var(--border-radius-sm);
    border: none;
    font-size: 0.875rem;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-success {
    background: var(--success-light);
    color: #065f46;
}

.alert-danger {
    background: var(--danger-light);
    color: #991b1b;
}

.alert-warning {
    background: var(--warning-light);
    color: #92400e;
}

.alert-info {
    background: var(--info-light);
    color: #1e40af;
}

/* ============================================
   Modals
   ============================================ */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--gray-100);
    padding: 1rem 1.5rem;
}

/* ============================================
   Loading States
   ============================================ */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 0.5rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-in {
    animation: fadeInUp 0.4s ease-out forwards;
}

.animate-fade {
    animation: fadeIn 0.3s ease-out forwards;
}

/* Staggered animation for card grids */
.monitor-card:nth-child(1) { animation-delay: 0s; }
.monitor-card:nth-child(2) { animation-delay: 0.05s; }
.monitor-card:nth-child(3) { animation-delay: 0.1s; }
.monitor-card:nth-child(4) { animation-delay: 0.15s; }
.monitor-card:nth-child(5) { animation-delay: 0.2s; }
.monitor-card:nth-child(6) { animation-delay: 0.25s; }

/* ============================================
   Empty States
   ============================================ */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state .empty-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--gray-400);
}

.empty-state h3 {
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--gray-500);
    max-width: 400px;
    margin: 0 auto 1.5rem;
}

/* ============================================
   Auth Pages (Public Layout)
   ============================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-page .auth-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 440px;
    overflow: hidden;
}

.auth-card .auth-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 2rem;
    text-align: center;
}

.auth-card .auth-header .auth-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    backdrop-filter: blur(4px);
}

.auth-card .auth-header h4 {
    margin: 0;
    font-weight: 700;
}

.auth-card .auth-header p {
    margin: 0.25rem 0 0;
    opacity: 0.85;
    font-size: 0.9rem;
}

.auth-card .auth-body {
    padding: 2rem;
}

/* ============================================
   Dashboard-specific Stats
   ============================================ */
.dashboard-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.dashboard-summary .summary-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
}

.dashboard-summary .summary-item:hover {
    box-shadow: var(--shadow-md);
}

.dashboard-summary .summary-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.dashboard-summary .summary-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
}

.dashboard-summary .summary-label {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* ============================================
   Details Page
   ============================================ */
.detail-section {
    margin-bottom: 1.5rem;
}

.detail-section .section-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    color: var(--gray-500);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.875rem;
}

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

.detail-item .detail-label {
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-item .detail-label i {
    width: 16px;
    text-align: center;
    color: var(--gray-400);
}

.detail-item .detail-value {
    font-weight: 600;
    color: var(--gray-800);
}

/* Change log timeline */
.change-log-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 0.75rem;
    background: var(--white);
    transition: var(--transition);
}

.change-log-item:hover {
    box-shadow: var(--shadow);
}

.change-log-item .log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.change-log-item .log-date {
    font-size: 0.8rem;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.change-log-item .log-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.change-log-item .log-old,
.change-log-item .log-new {
    border-radius: var(--border-radius-sm);
    padding: 0.75rem;
    font-size: 0.8rem;
    max-height: 120px;
    overflow-y: auto;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

.change-log-item .log-old {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.change-log-item .log-new {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.change-log-item .log-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.35rem;
}

/* ============================================
   Content Preview Box
   ============================================ */
.content-preview {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    max-height: 200px;
    overflow-y: auto;
    font-size: 0.8rem;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    white-space: pre-wrap;
    word-break: break-all;
}

/* ============================================
   Scrollbar Styling
   ============================================ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .page-content {
        padding: 1rem;
    }

    .page-header {
        padding: 1rem;
    }
}

@media (max-width: 767.98px) {
    .monitor-card .log-comparison {
        grid-template-columns: 1fr;
    }

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

/* ============================================
   Utilities
   ============================================ */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted { color: var(--gray-500) !important; }

.bg-primary-subtle { background-color: var(--primary-light) !important; }
.bg-success-subtle { background-color: var(--success-light) !important; }
.bg-danger-subtle { background-color: var(--danger-light) !important; }
.bg-warning-subtle { background-color: var(--warning-light) !important; }
.bg-info-subtle { background-color: var(--info-light) !important; }

.fw-semibold { font-weight: 600 !important; }
.fw-bold { font-weight: 700 !important; }

.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }

.rounded-lg { border-radius: var(--border-radius) !important; }
.rounded-xl { border-radius: var(--border-radius-lg) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

.border-0 { border: none !important; }
.border { border: 1px solid var(--gray-200) !important; }

/* Smooth transitions on all interactive elements */
button, a, input, select, textarea {
    transition: var(--transition);
}

/* Remove default link underline in cards */
.card a {
    text-decoration: none;
}

/* Tooltip customization */
.tooltip-inner {
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    padding: 0.4rem 0.75rem;
}