/* CSS Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Root Variables - Professional Dark Blue Theme */
:root {
    --primary-color: #1e40af;
    --primary-hover: #1e3a8a;
    --primary-active: #1e3a8a;
    --secondary-color: #3b82f6;
    --background: #f8fafc;
    --surface: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --error-bg: #fee2e2;
    --error-text: #991b1b;
    --success-bg: #d1fae5;
    --success-text: #065f46;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --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);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* Body Styling */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-primary);
    min-height: 100vh;
}

/* Login page specific styling */
body:has(.login-container) {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

/* Dashboard page styling */
body:has(.dashboard-layout) {
    background: var(--background);
    margin: 0;
    padding: 0;
}

/* Login Container */
.login-container {
    width: 100%;
    max-width: 420px;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Login Card */
.login-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    transition: transform 0.2s ease;
}

/* Login Header */
.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.login-header h2 {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Form Styling */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Input Fields */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--surface);
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
    background: var(--primary-active);
    transform: translateY(0);
}

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

.btn-text {
    display: inline-block;
}

.btn:disabled .btn-text {
    opacity: 0.7;
}

/* Loading Spinner */
.spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn.loading .spinner {
    display: inline-block;
}

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

/* Error Message */
.error-message {
    display: none;
    padding: 0.75rem 1rem;
    background: var(--error-bg);
    color: var(--error-text);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    animation: slideDown 0.3s ease-out;
}

.error-message:not(:empty) {
    display: block;
}

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

/* Success Message */
.success-message {
    display: none;
    padding: 0.75rem 1rem;
    background: var(--success-bg);
    color: var(--success-text);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    animation: slideDown 0.3s ease-out;
}

.success-message:not(:empty) {
    display: block;
}

/* Login Footer */
.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.footer-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 640px) {
    body {
        padding: 0.5rem;
    }

    .login-card {
        padding: 2rem 1.5rem;
    }

    .login-header h1 {
        font-size: 1.5rem;
    }

    .login-header h2 {
        font-size: 1rem;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* ==========================================
   DASHBOARD LAYOUT
   ========================================== */

.dashboard-layout {
    display: flex;
    min-height: 100vh;
    background: var(--background);
}

/* ==========================================
   SIDEBAR NAVIGATION
   ========================================== */

.sidebar {
    width: 260px;
    background: var(--surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.sidebar-header {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.sidebar-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0.25rem 0 0 0;
}

/* Navigation Menu */
.nav-menu {
    flex: 1;
    list-style: none;
    margin: 0;
    padding: 1rem 0;
}

.nav-item {
    margin: 0.25rem 0.75rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    font-size: 0.9375rem;
    font-weight: 500;
}

.nav-link:hover {
    background: rgba(30, 64, 175, 0.08);
    color: var(--primary-color);
}

.nav-item.active .nav-link {
    background: var(--primary-color);
    color: white;
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-text {
    flex: 1;
}

/* Navigation Divider */
.nav-divider {
    margin: 1rem 0.75rem 0.5rem;
    padding: 0.5rem 1rem 0;
    border-top: 1px solid var(--border-color);
}

.divider-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
}

.sidebar-footer .footer-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    margin: 0;
}

/* ==========================================
   MAIN CONTENT AREA
   ========================================== */

.main-content {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Top Header Bar */
.top-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
}

.menu-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
}

.menu-toggle svg {
    width: 24px;
    height: 24px;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* User Info */
.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: var(--background);
    border-radius: var(--radius-md);
}

.username {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
}

.role-badge {
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.role-badge.role-admin {
    background: #dbeafe;
    color: #1e40af;
}

.role-badge.role-professor {
    background: #e0e7ff;
    color: #4f46e5;
}

/* Logout Button */
.btn-logout {
    padding: 0.625rem 1.25rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
}

.btn-logout:hover {
    background: var(--error-bg);
    color: var(--error-text);
    border-color: var(--error-text);
    transform: none;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

/* ==========================================
   CONTENT CONTAINER
   ========================================== */

.content-container {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    width: 100%;
}

/* Welcome Section */
.welcome-section {
    margin-bottom: 2.5rem;
}

.welcome-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
}

.welcome-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Section Styling */
.status-section,
.stats-section {
    margin-bottom: 2.5rem;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 1.25rem 0;
}

/* ==========================================
   SERVICE STATUS CARDS
   ========================================== */

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.status-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

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

/* Status Card States */
.status-card.status-healthy {
    border-color: #10b981;
}

.status-card.status-warning {
    border-color: #f59e0b;
}

.status-card.status-error {
    border-color: #ef4444;
}

.status-card.status-unknown {
    border-color: var(--border-color);
}

.status-card.loading {
    border-color: var(--primary-color);
}

/* Card Icon */
.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.status-healthy .card-icon {
    background: #d1fae5;
    color: #065f46;
}

.status-warning .card-icon {
    background: #fef3c7;
    color: #92400e;
}

.status-error .card-icon {
    background: #fee2e2;
    color: #991b1b;
}

.status-unknown .card-icon {
    background: var(--background);
    color: var(--text-secondary);
}

.loading .card-icon {
    background: #dbeafe;
    color: var(--primary-color);
}

.card-icon svg {
    width: 24px;
    height: 24px;
}

/* Card Content */
.card-content {
    flex: 1;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.375rem 0;
}

.card-status {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.card-details {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin: 0.5rem 0 0 0;
    opacity: 0.8;
}

/* Loading Spinner (Large) */
.spinner-large {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(30, 64, 175, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ==========================================
   QUICK STATS CARDS
   ========================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: #dbeafe;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0 0 0.375rem 0;
    font-weight: 500;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 1024px) {
    .content-container {
        padding: 1.5rem;
    }

    .status-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }

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

@media (max-width: 768px) {
    /* Mobile: Hide sidebar by default, show with .open class */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

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

    /* No margin on main content for mobile */
    .main-content {
        margin-left: 0;
    }

    /* Show menu toggle on mobile */
    .menu-toggle {
        display: block;
    }

    /* Adjust header */
    .top-header {
        padding: 1rem 1.25rem;
    }

    .page-title {
        font-size: 1.25rem;
    }

    .user-info {
        display: none;
    }

    /* Adjust content */
    .content-container {
        padding: 1.25rem;
    }

    .welcome-title {
        font-size: 1.5rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .status-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .top-header {
        padding: 0.875rem 1rem;
    }

    .content-container {
        padding: 1rem;
    }

    .btn-logout span {
        display: none;
    }

    .btn-logout {
        padding: 0.625rem;
    }
}

/* ==========================================
   SERVER STATUS PAGE
   ========================================== */

/* Server Section */
.server-section {
    margin-bottom: 2.5rem;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.metric-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

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

.metric-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.metric-icon {
    font-size: 1.25rem;
}

.metric-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

/* Progress Bars */
.progress-bar {
    height: 8px;
    background: var(--background);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease, background 0.3s ease;
}

.progress-fill.healthy {
    background: linear-gradient(90deg, #10b981, #34d399);
}

.progress-fill.warning {
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.progress-fill.critical {
    background: linear-gradient(90deg, #ef4444, #f87171);
}

/* Service Card */
.service-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.service-card.status-running {
    border-left-color: #10b981;
}

.service-card.status-stopped,
.service-card.status-error {
    border-left-color: #ef4444;
}

.service-card.status-unknown {
    border-left-color: var(--text-secondary);
}

.service-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-secondary);
}

.status-indicator.running {
    background: #10b981;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.status-indicator.stopped,
.status-indicator.error {
    background: #ef4444;
}

.status-indicator.unknown {
    background: var(--text-secondary);
}

.service-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

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

.service-details {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.detail-item {
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--background);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
}

/* Container List */
.containers-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.container-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.container-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.container-card.running {
    border-left-color: #10b981;
}

.container-card.stopped {
    border-left-color: #ef4444;
}

.container-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.container-name {
    font-weight: 600;
    color: var(--text-primary);
}

.container-image {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.container-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 1rem;
}

.status-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.status-badge.running {
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
}

.status-badge.stopped,
.status-badge.exited {
    background: rgba(239, 68, 68, 0.1);
    color: #991b1b;
}

.health-badge {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
}

.health-badge.healthy {
    background: rgba(16, 185, 129, 0.15);
    color: #059669;
}

.health-badge.unhealthy {
    background: rgba(239, 68, 68, 0.15);
    color: #dc2626;
}

.container-uptime {
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-width: 100px;
    text-align: right;
}

/* Last Updated Section */
.last-updated {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Loading and Error States */
.loading-state,
.error-state,
.no-data {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.error-state {
    color: var(--error-text);
    background: var(--error-bg);
}

/* Responsive - Server Status */
@media (max-width: 768px) {
    .container-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .container-status {
        margin: 0;
    }

    .container-uptime {
        text-align: left;
        min-width: auto;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   LOGS VIEWER PAGE
   ========================================== */

/* Controls */
.logs-controls {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.control-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
}

.control-row + .control-row {
    margin-top: 1rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.control-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-select,
.form-input {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    background: white;
    min-width: 140px;
}

.form-select:focus,
.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-group {
    flex: 1;
    min-width: 200px;
}

.search-group .form-input {
    width: 100%;
}

.checkbox-group {
    justify-content: flex-end;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Logs Display */
.logs-display {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.logs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--background);
    border-bottom: 1px solid var(--border-color);
}

.log-count {
    font-weight: 600;
    color: var(--text-primary);
}

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

.logs-container {
    height: 500px;
    overflow-y: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    background: #1e1e1e;
    color: #d4d4d4;
}

.logs-placeholder,
.logs-loading,
.logs-error {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #888;
    font-family: var(--font-sans);
    font-size: 0.95rem;
}

.logs-error {
    color: var(--error-text);
}

.log-entries {
    padding: 1rem;
}

.log-entry {
    padding: 0.25rem 0;
    border-bottom: 1px solid #333;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

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

.log-timestamp {
    color: #6a9955;
    min-width: 200px;
}

.log-level {
    font-weight: 600;
    min-width: 60px;
    text-align: center;
    padding: 0 0.25rem;
    border-radius: 3px;
}

.log-level.level-error {
    color: #f14c4c;
    background: rgba(241, 76, 76, 0.15);
}

.log-level.level-warn {
    color: #cca700;
    background: rgba(204, 167, 0, 0.15);
}

.log-level.level-info {
    color: #3794ff;
    background: rgba(55, 148, 255, 0.15);
}

.log-level.level-debug {
    color: #b5cea8;
    background: rgba(181, 206, 168, 0.15);
}

.log-message {
    flex: 1;
    word-break: break-all;
}

.log-entry.level-error .log-message {
    color: #f14c4c;
}

.log-entry.level-warn .log-message {
    color: #cca700;
}

/* Responsive - Logs Viewer */
@media (max-width: 768px) {
    .control-row {
        flex-direction: column;
    }

    .control-group {
        width: 100%;
    }

    .form-select,
    .form-input {
        width: 100%;
    }

    .logs-container {
        height: 400px;
    }

    .log-timestamp {
        min-width: auto;
        width: 100%;
    }

    .log-entry {
        flex-direction: column;
        gap: 0.25rem;
    }
}

/* ==========================================
   User Management Styles
   ========================================== */

/* Action Section */
.action-section {
    margin-bottom: 1.5rem;
}

.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Data Table */
.table-section {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

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

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

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--background);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr:hover {
    background: var(--background);
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-admin {
    background: #e0e7ff;
    color: #4338ca;
}

.badge-professor {
    background: #d1fae5;
    color: #065f46;
}

.badge-active {
    background: #d1fae5;
    color: #065f46;
}

.badge-inactive {
    background: #fee2e2;
    color: #991b1b;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn-small .btn-icon {
    width: 14px;
    height: 14px;
}

.btn-warning {
    background: #fbbf24;
    color: #78350f;
    border: none;
}

.btn-warning:hover {
    background: #f59e0b;
}

.btn-danger {
    background: #ef4444;
    color: white;
    border: none;
}

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

/* Text utilities */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-secondary);
}

/* ==========================================
   Modal Styles
   ========================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    margin: 1rem;
    z-index: 1001;
}

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: all 0.2s ease;
}

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

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-form {
    padding: 1.5rem;
}

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

/* Form Elements */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.optional-label {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Responsive - User Management */
@media (max-width: 768px) {
    .action-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .action-buttons {
        flex-direction: column;
    }

    .data-table th,
    .data-table td {
        padding: 0.75rem 0.5rem;
    }

    .modal-content {
        margin: 0.5rem;
    }
}

/* ==========================================
   Backup Manager Styles
   ========================================== */

/* Status Grid for Backup Cards */
.status-section {
    margin-bottom: 1.5rem;
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}

/* Backup Status Cards */
.status-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.status-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.indicator-healthy {
    background: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.indicator-warning {
    background: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.indicator-error {
    background: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.status-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.status-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.status-stat .stat-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 0;
}

.status-stat .stat-value {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.85rem;
    margin: 0;
}

.status-stat .stat-value.small {
    font-size: 0.75rem;
}

/* Tabs Navigation */
.tabs-section {
    margin-bottom: 1rem;
}

.tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0;
}

.tab {
    padding: 0.75rem 1.25rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    margin-bottom: -1px;
}

.tab:hover {
    color: var(--text-primary);
    background: var(--background);
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Backup Filename Display */
.backup-filename {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
}

/* Logs Section for Backup Manager */
.logs-section {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.logs-section .logs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--background);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.logs-section .logs-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.logs-controls {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.logs-controls .form-input {
    width: 200px;
}

.logs-controls .form-select {
    width: 150px;
}

.log-viewer {
    height: 400px;
    overflow-y: auto;
    background: #1e1e1e;
}

.log-viewer pre {
    margin: 0;
    padding: 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    color: #d4d4d4;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Backup Progress Modal */
.backup-progress {
    text-align: center;
    padding: 2rem;
}

.backup-progress .spinner-large {
    margin: 0 auto 1rem;
}

.backup-progress p {
    margin: 0.5rem 0;
}

.backup-result {
    text-align: center;
    padding: 1.5rem;
}

.result-icon svg {
    width: 64px;
    height: 64px;
}

.result-success {
    color: #10b981;
}

.result-error {
    color: #ef4444;
}

.result-message {
    font-size: 1.1rem;
    font-weight: 500;
    margin: 1rem 0;
}

.log-output {
    text-align: left;
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 1rem;
    border-radius: 8px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.75rem;
    max-height: 200px;
    overflow-y: auto;
    margin-top: 1rem;
    white-space: pre-wrap;
    word-break: break-all;
}

.modal-body {
    padding: 1.5rem;
}

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

    .tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 0.5rem;
    }

    .tab {
        white-space: nowrap;
        padding: 0.5rem 1rem;
    }

    .logs-controls {
        width: 100%;
    }

    .logs-controls .form-input,
    .logs-controls .form-select {
        width: 100%;
    }

    .log-viewer {
        height: 300px;
    }
}

/* ==========================================
   PRESENTATIONS PAGE
   ========================================== */

/* Toast Notification */
.toast {
    position: fixed;
    top: 80px;
    right: 20px;
    padding: 16px 24px;
    background: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    z-index: 1000;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease;
    max-width: 400px;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast.success {
    border-left-color: #10b981;
}

.toast.error {
    border-left-color: #ef4444;
}

.toast.warning {
    border-left-color: #f59e0b;
}

/* Presentation Navigation Controls */
.presentation-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 20px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
}

.nav-btn {
    padding: 12px 24px;
    font-size: 18px;
    font-weight: 600;
    min-width: 80px;
    width: auto;
}

.nav-btn.large {
    padding: 16px 32px;
    font-size: 20px;
}

.slide-counter {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 120px;
    text-align: center;
}

.slide-counter span {
    color: var(--text-secondary);
    font-weight: 400;
}

/* No Presentation Message */
.no-presentation {
    padding: 40px;
    text-align: center;
    color: var(--text-secondary);
    background: var(--surface);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

/* Tab Navigation for Presentations */
.tab-nav {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: var(--background);
    padding: 4px;
    border-radius: var(--radius-md);
}

.tab-btn {
    flex: 1;
    padding: 10px 20px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.tab-btn:hover {
    background: var(--surface);
}

.tab-btn.active {
    background: var(--surface);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Panel Styles */
.panel {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.panel h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.panel-header h2 {
    margin-bottom: 0;
}

/* Presentation List */
.presentation-list {
    margin-bottom: 20px;
}

.presentation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    transition: all 0.2s;
    cursor: pointer;
}

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

.presentation-item.active {
    border-color: #10b981;
    background: #f0fdf4;
}

.presentation-info h4 {
    font-size: 14px;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.presentation-info p {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 0;
}

.presentation-actions {
    display: flex;
    gap: 8px;
}

/* Slides Container */
.slides-container {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.slides-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.slides-header h3 {
    font-size: 16px;
    color: var(--text-primary);
    margin: 0;
}

.slides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    max-height: 400px;
    overflow-y: auto;
    padding: 4px;
}

.slide-thumb {
    position: relative;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s;
    aspect-ratio: 16/9;
    background: #f1f5f9;
}

.slide-thumb:hover {
    border-color: var(--primary-color);
    transform: scale(1.02);
}

.slide-thumb.active {
    border-color: #10b981;
    border-width: 3px;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.slide-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-number {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

/* Upload Section */
.upload-hint {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--surface);
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--primary-color);
    background: #eff6ff;
}

.drop-zone-content {
    pointer-events: none;
}

.drop-zone-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.drop-zone-text {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.drop-zone-hint {
    font-size: 14px;
    color: var(--text-secondary);
}

.upload-progress {
    margin-top: 16px;
}

.upload-progress .progress-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.upload-progress .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.upload-status {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 8px;
}

/* Button Success State */
.btn-success {
    background: #10b981;
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #059669;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* Responsive - Presentations */
@media (max-width: 768px) {
    .presentation-nav {
        flex-wrap: wrap;
        gap: 12px;
    }

    .nav-btn {
        padding: 10px 16px;
        font-size: 14px;
        min-width: 60px;
    }

    .nav-btn.large {
        padding: 12px 20px;
        font-size: 16px;
    }

    .slide-counter {
        font-size: 18px;
        min-width: 80px;
        order: -1;
        width: 100%;
    }

    .presentation-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .presentation-actions {
        width: 100%;
    }

    .presentation-actions .btn {
        flex: 1;
    }

    .slides-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }

    .tab-nav {
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .tab-btn {
        flex: none;
        white-space: nowrap;
    }
}

/* ==========================================
   AI CONFIG PAGE
   ========================================== */

/* Override content container for AI Config */
.ai-config-container {
    max-width: 100% !important;
    padding: 1.5rem !important;
}

/* Two-column layout */
.ai-config-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 1.5rem;
    min-height: calc(100vh - 140px);
}

/* Left panel: Avatar list */
.ai-avatar-list-panel {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ai-avatar-list-panel .panel-header {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-avatar-list-panel .panel-header h2 {
    margin: 0;
    font-size: 1.1rem;
}

.ai-avatar-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
}

.ai-avatar-card {
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ai-avatar-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.ai-avatar-card.selected {
    border-color: var(--primary-color);
    background: rgba(30, 64, 175, 0.05);
    box-shadow: 0 0 0 2px rgba(30, 64, 175, 0.15);
}

.ai-avatar-card.error {
    border-color: #ef4444;
    background: #fef2f2;
}

.ai-avatar-card-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.ai-avatar-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
}

.ai-avatar-card-model {
    color: var(--text-secondary);
}

.ai-avatar-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-secondary);
}

.ai-panel-actions {
    padding: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.ai-panel-actions .btn {
    width: 100%;
}

/* Right panel: Editor */
.ai-editor-panel {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

.ai-no-selection {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 300px;
    color: var(--text-secondary);
    gap: 1rem;
}

.ai-no-selection p {
    font-size: 1rem;
}

.ai-editor-section {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}

/* Editor Tabs */
.ai-editor-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    padding: 0 1.5rem;
}

.ai-tab {
    padding: 0.875rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    margin-bottom: -1px;
}

.ai-tab:hover {
    color: var(--text-primary);
}

.ai-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.ai-tab-content {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

/* Config Form */
.ai-config-form {
    padding: 1.5rem;
}

.ai-config-form .form-group {
    margin-bottom: 1.25rem;
}

.ai-personality-textarea {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    min-height: 200px;
    resize: vertical;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    display: block;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.ai-section-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 1.5rem 0 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ai-model-params {
    background: var(--background);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem 0.25rem;
    margin-bottom: 0.5rem;
}

.ai-model-params .ai-section-label {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

/* Knowledge Checkboxes */
.ai-knowledge-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem;
}

.ai-knowledge-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.5rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background 0.15s;
}

.ai-knowledge-checkbox:hover {
    background: var(--background);
}

.ai-knowledge-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    flex-shrink: 0;
}

.ai-knowledge-path {
    flex: 1;
    font-size: 0.85rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    color: var(--text-primary);
}

.ai-knowledge-size {
    font-size: 0.75rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

/* Form Actions */
.ai-form-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.ai-form-actions .btn {
    width: auto;
}

/* ==========================================
   AI CONFIG - TEST CHAT
   ========================================== */

.ai-chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 500px;
}

.ai-chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
}

.ai-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ai-chat-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
}

/* Chat bubbles */
.ai-chat-message {
    display: flex;
    max-width: 80%;
}

.ai-chat-user {
    align-self: flex-end;
}

.ai-chat-assistant {
    align-self: flex-start;
}

.ai-chat-system {
    align-self: center;
    max-width: 90%;
}

.ai-chat-bubble {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    line-height: 1.5;
    word-break: break-word;
}

.ai-chat-user .ai-chat-bubble {
    background: var(--primary-color);
    color: white;
    border-bottom-right-radius: 4px;
}

.ai-chat-assistant .ai-chat-bubble {
    background: var(--background);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 4px;
}

.ai-chat-system .ai-chat-bubble {
    background: var(--error-bg);
    color: var(--error-text);
    font-size: 0.85rem;
}

.ai-chat-text {
    white-space: pre-wrap;
}

.ai-chat-meta {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 0.375rem;
    opacity: 0.8;
}

.ai-chat-user .ai-chat-meta {
    color: rgba(255, 255, 255, 0.7);
}

/* Typing indicator */
.ai-typing-dots::after {
    content: '';
    animation: typingDots 1.5s infinite;
}

@keyframes typingDots {
    0% { content: '.'; }
    33% { content: '..'; }
    66% { content: '...'; }
}

/* Chat input */
.ai-chat-input-area {
    display: flex;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    align-items: flex-end;
}

.ai-chat-input-area .form-input {
    flex: 1;
    resize: none;
    min-height: 44px;
    max-height: 120px;
}

.ai-chat-input-area .btn {
    width: auto;
    flex-shrink: 0;
    height: 44px;
}

/* ==========================================
   AI CONFIG - KNOWLEDGE MODAL
   ========================================== */

.ai-knowledge-upload {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.ai-knowledge-upload h4,
.ai-knowledge-files-list h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.ai-knowledge-file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
}

.ai-knowledge-file-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.ai-knowledge-file-path {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.ai-knowledge-file-size {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Knowledge list header with + New File button */
.ai-knowledge-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.ai-knowledge-list-header h4 {
    margin: 0;
}

/* Knowledge editor section */
.ai-knowledge-editor-section,
.ai-knowledge-create-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.ai-knowledge-editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-knowledge-editor-header h4 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.ai-knowledge-editor-textarea {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    min-height: 350px;
    resize: vertical;
    white-space: pre;
    tab-size: 4;
}

.ai-knowledge-editor-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Badge variant for secondary items */
.badge-secondary {
    background: #e2e8f0;
    color: #475569;
}

/* ==========================================
   AI CONFIG - RESPONSIVE
   ========================================== */

@media (max-width: 1024px) {
    .ai-config-layout {
        grid-template-columns: 240px 1fr;
    }

    .form-row-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .ai-config-layout {
        grid-template-columns: 1fr;
    }

    .ai-avatar-list-panel {
        max-height: 250px;
    }

    .ai-chat-message {
        max-width: 95%;
    }

    .form-row,
    .form-row-3 {
        grid-template-columns: 1fr;
    }

    .ai-form-actions {
        flex-wrap: wrap;
    }

    .ai-form-actions .btn {
        flex: 1;
        min-width: 120px;
    }
}


/* ==========================================
   Analytics Page Styles
   ========================================== */

/* Filters */
.analytics-filters {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1.25rem;
    margin-bottom: 0.75rem;
}

.analytics-filter-row {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
}

.analytics-filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.analytics-filter-group label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.analytics-filter-group input[type="date"] {
    width: 150px;
    padding: 0.35rem 0.5rem;
    font-size: 0.85rem;
}

.analytics-checkbox-group {
    justify-content: flex-end;
}

.analytics-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: nowrap;
    padding-bottom: 0.3rem;
}

.analytics-checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
}

.analytics-filter-actions {
    display: flex;
    gap: 0.5rem;
    padding-bottom: 0;
}

/* Stats Bar */
.analytics-stats {
    display: flex;
    gap: 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.6rem 1.25rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.analytics-stat-item {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
}

.analytics-stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
}

.analytics-stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Zone Tabs */
.analytics-zone-tabs {
    margin-bottom: 0.75rem;
}

.analytics-zone-tabs .tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}

.analytics-zone-tabs .tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.2;
}

.analytics-tab-meta {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--text-secondary);
    white-space: nowrap;
}

.analytics-zone-tabs .tab.active .analytics-tab-meta {
    color: var(--primary-color);
}

/* Loading & Empty */
.analytics-loading {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.analytics-loading p {
    margin-top: 0.75rem;
}

.analytics-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-secondary);
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

/* Conversation Card */
.analytics-conversation-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.analytics-conv-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 1rem;
    background: #f1f5f9;
    border-bottom: 1px solid var(--border-color);
}

.analytics-conv-time {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.analytics-conv-count {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.analytics-conv-participants {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-bottom: 1px solid #eef1f5;
    background: #f8fafc;
}

/* Messages */
.analytics-messages {
    padding: 0.5rem 1rem 0.6rem;
}

.analytics-message {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.2rem 0;
    font-size: 0.875rem;
    line-height: 1.4;
}

.analytics-msg-time {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-family: monospace;
    min-width: 65px;
    flex-shrink: 0;
    padding-top: 1px;
}

.analytics-msg-name {
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

.analytics-msg-text {
    color: var(--text-primary);
    word-break: break-word;
}

/* AI message styling */
.analytics-message-ai {
    background: #eff6ff;
    border-radius: 3px;
    padding: 0.2rem 0.4rem;
    margin: 0.1rem -0.4rem;
}

.analytics-ai-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    color: #2563eb;
    background: #dbeafe;
    padding: 0 4px;
    border-radius: 3px;
    vertical-align: middle;
    margin-right: 2px;
}

/* Spam message styling */
.analytics-message-spam {
    opacity: 0.5;
    font-style: italic;
}

.analytics-spam-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    color: #dc2626;
    background: #fee2e2;
    padding: 0 4px;
    border-radius: 3px;
    vertical-align: middle;
    margin-right: 2px;
}

/* Top-Level Tabs (Public Chat / AI Conversations) */
.analytics-top-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 4px;
}

.analytics-top-tab {
    flex: 1;
    padding: 0.625rem 1.25rem;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.analytics-top-tab:hover {
    background: var(--background);
    color: var(--text-primary);
}

.analytics-top-tab.active {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

/* AI Session Cards */
.ai-session-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.ai-session-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: #f0f4ff;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ai-session-title {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.ai-session-avatar {
    color: #2563eb;
}

.ai-session-separator {
    color: var(--text-secondary);
    font-weight: 400;
}

.ai-session-user {
    color: var(--text-primary);
}

.ai-session-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.ai-session-time {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.ai-session-detail {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* ==========================================
   Analytics Overview Tab
   ========================================== */

/* Period Selector */
.overview-period-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.overview-period-buttons {
    display: flex;
    gap: 0;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 3px;
}

.overview-period-btn {
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.overview-period-btn:hover {
    background: var(--background);
    color: var(--text-primary);
}

.overview-period-btn.active {
    background: var(--primary-color);
    color: white;
}

.overview-custom-dates {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
}

/* Summary Cards */
.overview-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.overview-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.overview-card:hover {
    border-color: var(--primary-color);
}

.overview-card.active {
    border-color: var(--primary-color);
    background: rgba(30, 64, 175, 0.03);
    box-shadow: inset 3px 0 0 var(--primary-color);
}

.overview-card-highlight {
    border-color: #10b981;
    border-width: 2px;
}

.overview-card-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.overview-card-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.overview-accent-green { color: #059669; }
.overview-accent-amber { color: #d97706; }
.overview-accent-purple { color: #7c3aed; }
.overview-accent-blue { color: #2563eb; }

/* Overview Sections */
.overview-section {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
}

.overview-section-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.75rem 0;
}

/* Avatar table within overview */
.overview-section .data-table th,
.overview-section .data-table td {
    padding: 0.625rem 0.75rem;
    font-size: 0.85rem;
}

.overview-section .data-table th {
    font-size: 0.75rem;
}

.ov-avatar-name {
    font-weight: 600;
    color: var(--primary-color);
}

.ov-total-row td {
    font-weight: 700;
    border-top: 2px solid var(--border-color);
}

/* Top Speakers Bars */
.overview-speakers-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.overview-speaker-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.overview-speaker-rank {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 20px;
    text-align: right;
}

.overview-speaker-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    min-width: 140px;
    flex-shrink: 0;
}

.overview-speaker-bar-wrapper {
    flex: 1;
    height: 20px;
    background: var(--background);
    border-radius: 3px;
    overflow: hidden;
}

.overview-speaker-bar {
    height: 100%;
    border-radius: 3px;
    transition: width 0.4s ease;
    min-width: 2px;
}

.overview-speaker-count {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 40px;
    text-align: right;
}

/* Overview Detail Panel */
.overview-detail-panel {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
}

.ov-detail-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.75rem 0;
}

.ov-detail-bar-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.ov-detail-bar-rank {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 20px;
    text-align: right;
}

.ov-detail-bar-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    min-width: 140px;
    flex-shrink: 0;
}

.ov-detail-bar-wrapper {
    flex: 1;
    height: 20px;
    background: var(--background);
    border-radius: 3px;
    overflow: hidden;
}

.ov-detail-bar {
    height: 100%;
    border-radius: 3px;
    transition: width 0.4s ease;
    min-width: 2px;
}

.ov-detail-bar-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 60px;
    text-align: right;
}

/* Detail table */
.ov-detail-table th,
.ov-detail-table td {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
}

.ov-detail-table th {
    font-size: 0.75rem;
}

/* Speakers grid */
.ov-detail-speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.375rem;
}

.ov-detail-speaker-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.5rem;
    border-radius: var(--radius-sm);
}

.ov-detail-speaker-item:hover {
    background: var(--background);
}

.ov-detail-speaker-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.ov-detail-speaker-name {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.ov-detail-speaker-count {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Responsive - Overview */
@media (max-width: 1024px) {
    .overview-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

    .overview-period-selector {
        flex-direction: column;
        align-items: stretch;
    }

    .overview-custom-dates {
        flex-wrap: wrap;
    }

    .overview-speaker-name {
        min-width: 100px;
    }
}

@media (max-width: 480px) {
    .overview-cards {
        grid-template-columns: 1fr;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .analytics-filter-row {
        flex-direction: column;
        align-items: stretch;
    }

    .analytics-filter-group input[type="date"] {
        width: 100%;
    }

    .analytics-stats {
        gap: 0.75rem;
    }

    .analytics-zone-tabs .tab {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }

    .ai-session-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .ai-session-meta {
        gap: 0.5rem;
    }
}

/* ===== Dashboard Redesign (Mar 2026) ===== */
.dashboard-welcome { margin-bottom: 1.5rem; }
.dashboard-welcome h2 { font-size: 1.5rem; font-weight: 600; color: var(--text-primary); margin: 0; }
.dashboard-welcome .text-muted { color: var(--text-secondary); margin: 0.25rem 0 0; font-size: 0.9rem; }

.dashboard-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.dashboard-metrics .metric-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: center;
}
.metric-label { font-size: 0.75rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.metric-number { font-size: 2rem; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.metric-sub { font-size: 0.75rem; color: var(--text-secondary); margin-top: 0.25rem; }

.dashboard-health { margin-bottom: 1.5rem; }
.health-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
}
.health-item { display: flex; align-items: center; gap: 0.4rem; }
.health-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.health-dot.healthy { background: #10b981; }
.health-dot.degraded { background: #f59e0b; }
.health-dot.error { background: #ef4444; }
.health-dot.unknown { background: #9ca3af; }
.health-name { font-size: 0.85rem; font-weight: 500; color: var(--text-primary); }
.health-status { font-size: 0.75rem; color: var(--text-secondary); }

.dashboard-bottom {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}
@media (max-width: 900px) {
    .dashboard-bottom { grid-template-columns: 1fr; }
}

.activity-feed {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    max-height: 400px;
    overflow-y: auto;
}
.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}
.activity-item:last-child { border-bottom: none; }
.activity-icon { font-size: 1rem; flex-shrink: 0; margin-top: 0.1rem; }
.activity-content { flex: 1; min-width: 0; }
.activity-user { font-weight: 600; font-size: 0.85rem; color: var(--text-primary); }
.activity-message { font-size: 0.8rem; color: var(--text-secondary); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.activity-time { font-size: 0.7rem; color: var(--text-secondary); white-space: nowrap; flex-shrink: 0; }
.activity-empty { padding: 2rem; text-align: center; color: var(--text-secondary); font-size: 0.85rem; }

.summary-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
}
.summary-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.25rem; }
.summary-bar { height: 6px; background: var(--border-color); border-radius: 3px; margin-bottom: 0.75rem; }
.summary-bar:last-child { margin-bottom: 0; }
.summary-bar-fill { height: 100%; border-radius: 3px; transition: width 0.3s ease; }
.summary-bar-fill.healthy { background: #10b981; }
.summary-bar-fill.warning { background: #f59e0b; }
.summary-bar-fill.critical { background: #ef4444; }
.summary-label { font-size: 0.85rem; color: var(--text-primary); }
.summary-value { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }