/* Admin Panel Styles */
/* Podcast Learning Platform - Kalviyogi Nagarajan Edunivra Pvt Ltd */

/* Override CSS Variables for Admin Dark Theme */
:root {
    /* Dark Theme Colors for Admin */
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #0f0f23;
    --bg-card: rgba(255, 255, 255, 0.08);
    --bg-hover: rgba(255, 255, 255, 0.1);
    
    /* Text Colors for Dark Theme */
    --text-primary: white;
    --text-secondary: #e5e7eb;
    --text-muted: #9ca3af;
    --text-accent: #dc3545;
    
    /* Red Accent Colors for Admin */
    --primary: #dc3545;
    --primary-hover: #c82333;
    --secondary: #6c757d;
    --accent: #dc3545;
    --danger: #dc3545;
    --warning: #ffc107;
    --success: #28a745;
    
    /* Gradients for Admin */
    --gradient-primary: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    --gradient-secondary: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    --gradient-accent: linear-gradient(135deg, #ff6b6b 0%, #dc3545 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    --gradient-blue: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    
    /* Shadows for Dark Theme */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

.admin-dashboard {
    background: var(--bg-primary);
    min-height: 100vh;
}

/* Admin Sidebar */
.admin-sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-main {
    background: var(--bg-tertiary);
    overflow-y: auto;
    padding: 0;
}

.admin-main .top-bar {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-main .content-area {
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

/* Welcome Section */
.welcome-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.welcome-icon {
    color: var(--primary);
    flex-shrink: 0;
}

.welcome-text h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

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

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: var(--spacing-md);
}

.action-btn-primary,
.action-btn-secondary {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

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

.action-btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.action-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.action-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* Statistics Overview */
.stats-overview {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.stat-card-primary::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.stat-card-primary .stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.stat-card-primary .stat-content {
    flex: 1;
}

.stat-card-primary .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-xs);
}

.stat-card-primary .stat-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.stat-card-primary .stat-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.stat-card-primary .progress-bar {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.stat-card-primary .progress-fill {
    height: 100%;
    background: white;
    border-radius: 2px;
    transition: width 0.3s ease;
}

.stat-card-primary .stat-progress span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.dashboard-section {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.section-icon {
    color: var(--primary);
}

.view-all-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.view-all-btn:hover {
    color: var(--primary-hover);
    transform: translateX(2px);
}

/* Activity List */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.activity-item:hover {
    background: var(--bg-hover);
    transform: translateX(4px);
}

.activity-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.activity-meta {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-bottom: var(--spacing-xs);
}

.activity-time {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.activity-actions {
    flex-shrink: 0;
}

/* System Health */
.system-health {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.health-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.health-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.health-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.health-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.health-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.health-status.good {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.health-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.metric-value {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .stats-overview {
        grid-template-columns: 1fr 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .admin-main .top-bar {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }
    
    .quick-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .stats-overview {
        grid-template-columns: 1fr;
    }
    
    .health-grid {
        grid-template-columns: 1fr;
    }
    
    .activity-item {
        flex-direction: column;
        text-align: center;
    }
    
    .activity-actions {
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .admin-main .content-area {
        padding: var(--spacing-md);
    }
    
    .welcome-text h1 {
        font-size: 1.5rem;
    }
    
    .action-btn-primary,
    .action-btn-secondary {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.75rem;
    }
}

/* Admin Navigation */
.admin-navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

.admin-nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.admin-nav-logo i {
    color: var(--accent);
    font-size: 1.5rem;
}

.admin-nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    text-decoration: none;
}

.admin-nav-link:hover,
.admin-nav-link.active {
    background: var(--bg-hover);
    color: var(--text-primary);
}

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

.admin-user-menu {
    position: relative;
}

.admin-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.admin-avatar svg {
    width: 24px;
    height: 24px;
}

.admin-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.admin-user-menu:hover .admin-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.admin-dropdown a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.admin-dropdown a:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Admin Content */
.admin-content {
    margin-top: 80px;
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.admin-header {
    margin-bottom: var(--spacing-2xl);
}

.admin-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.stat-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.stat-change {
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.stat-change.positive {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-change.negative {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.stat-change.neutral {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary);
}

/* Quick Actions */
.quick-actions {
    margin-bottom: var(--spacing-2xl);
}

.quick-actions h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.action-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-primary);
}

.action-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
    color: var(--text-primary);
}

.action-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.5rem;
    color: white;
}

.action-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

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

/* Recent Activities */
.recent-activities {
    margin-bottom: var(--spacing-2xl);
}

.recent-activities h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.activity-section {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.view-all {
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
}

.view-all:hover {
    text-decoration: underline;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.activity-item:hover {
    background: var(--bg-hover);
}

.activity-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-content h4 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.activity-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.activity-time {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.activity-actions {
    flex-shrink: 0;
}

/* System Health */
.system-health {
    margin-bottom: var(--spacing-2xl);
}

.system-health h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.health-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.health-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.health-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.health-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.health-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.health-status.good {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.health-status.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.health-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.health-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.metric-value {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

/* Buttons */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .admin-nav-menu {
        gap: var(--spacing-md);
    }
    
    .admin-nav-link span {
        display: none;
    }
    
    .admin-content {
        padding: var(--spacing-lg);
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .activities-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .admin-nav-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .admin-nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .admin-content {
        margin-top: 120px;
        padding: var(--spacing-md);
    }
    
    .admin-header h1 {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .health-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .admin-content {
        padding: var(--spacing-sm);
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .activity-item {
        flex-direction: column;
        text-align: center;
    }
    
    .activity-actions {
        margin-top: var(--spacing-sm);
    }
}

/* Animation Classes */
.animate-in {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Form Styles */
.admin-form {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

/* Table Styles */
.admin-table {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.admin-table th,
.admin-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-table th {
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.875rem;
}

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

.admin-table tr:hover {
    background: var(--bg-hover);
}

.table-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Status Badges */
.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.status-active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-inactive {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.status-pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

/* Role Badges */
.role-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.role-admin {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
}

.role-teacher {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.role-student {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

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

.modal-body {
    padding: var(--spacing-lg);
}

/* Checkbox Styles */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    color: var(--text-primary);
}

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

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-secondary);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
}

/* Alert Styles */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.alert-success {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-info {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

/* Table Avatar and Thumbnail */
.table-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.table-avatar svg {
    width: 20px;
    height: 20px;
}

.table-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    object-fit: cover;
}

.table-thumbnail-placeholder {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Form Row for Grid Layout */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }
}

/* Subject Badge Styles */
.subject-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: white;
    text-align: center;
    min-width: 80px;
}

.subject-color-box {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

/* Settings Page Styles */
.settings-container {
    display: flex;
    gap: var(--spacing-xl);
}

.settings-tabs {
    flex-shrink: 0;
    width: 250px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    height: fit-content;
}

.tab-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    text-align: left;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

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

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

.tab-btn i {
    width: 20px;
    text-align: center;
}

.settings-tab {
    flex: 1;
    display: none;
}

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

@media (max-width: 1024px) {
    .settings-container {
        flex-direction: column;
    }
    
    .settings-tabs {
        width: 100%;
        display: flex;
        overflow-x: auto;
        padding: var(--spacing-sm);
    }
    
    .tab-btn {
        flex-shrink: 0;
        white-space: nowrap;
        margin-bottom: 0;
        margin-right: var(--spacing-xs);
    }
}

/* Admin Login Styles */
.admin-login {
    max-width: 450px;
    margin: 0 auto;
}

.admin-login .auth-logo {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.admin-login .auth-logo i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.admin-login .auth-logo h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.credentials-info {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-left: 4px solid var(--primary);
}

.credentials-info p {
    margin: var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.credentials-info strong {
    color: var(--text-primary);
}

.auth-links {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.auth-links .link {
    color: var(--primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.3s ease;
}

.auth-links .link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Profile Page Styles */
.profile-overview {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border: 3px solid var(--primary);
    flex-shrink: 0;
}

.profile-info h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.profile-role {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    margin: 0 0 var(--spacing-xs) 0;
}

.profile-email {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0 0 var(--spacing-xs) 0;
}

.profile-joined {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin: 0;
}

.profile-forms {
    display: grid;
    gap: var(--spacing-xl);
}

.profile-forms .admin-section {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.profile-forms .admin-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.profile-forms .admin-section h2::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--primary);
    border-radius: 2px;
}

@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-avatar {
        width: 60px;
        height: 60px;
    }
    
    .profile-info h2 {
        font-size: 1.5rem;
    }
}

/* Bulk Actions Styles */
.bulk-actions-container {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.bulk-selection {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.selected-count {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.bulk-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.bulk-actions .form-select {
    min-width: 150px;
}

.bulk-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.bulk-actions .btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.bulk-actions .btn-success {
    background: #10b981;
    color: white;
}

.bulk-actions .btn-success:hover {
    background: #059669;
    transform: translateY(-1px);
}

.bulk-actions .btn-warning {
    background: #f59e0b;
    color: white;
}

.bulk-actions .btn-warning:hover {
    background: #d97706;
    transform: translateY(-1px);
}

.bulk-actions .btn-danger {
    background: #ef4444;
    color: white;
}

.bulk-actions .btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

/* Checkbox Styles */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-primary);
}

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

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    position: relative;
    transition: all 0.3s ease;
    background: transparent;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label:hover .checkmark {
    border-color: var(--primary);
}

/* Responsive Bulk Actions */
@media (max-width: 768px) {
    .bulk-selection {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .bulk-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .bulk-actions .form-select {
        width: 100%;
        min-width: auto;
    }
    
    .bulk-actions .btn {
        justify-content: center;
    }
}

/* CSV Upload Styles */
.csv-upload-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.csv-info {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.csv-info h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.csv-info ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-lg) 0;
}

.csv-info li {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
}

.csv-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.csv-template-download {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

 .template-info {
     color: var(--text-secondary);
     font-size: 0.75rem;
     font-style: italic;
 }
 
 .template-help {
     margin-top: var(--spacing-md);
     padding: var(--spacing-md);
     background: rgba(255, 255, 255, 0.05);
     border-radius: var(--radius-md);
     border-left: 3px solid var(--primary);
 }
 
 .template-help p {
     margin: var(--spacing-xs) 0;
     font-size: 0.8rem;
     color: var(--text-secondary);
 }
 
 .template-help strong {
     color: var(--text-primary);
 }

.csv-upload-form {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.form-help {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
}

/* CSV Upload Responsive */
@media (max-width: 768px) {
    .csv-upload-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .csv-info {
        order: 2;
    }
    
    .csv-upload-form {
        order: 1;
    }
}

/* Admin Login Dark Theme */
body.dark-theme {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%) !important;
    color: white !important;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

body.dark-theme::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(220, 53, 69, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(200, 35, 51, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    z-index: -2;
    animation: backgroundShift 25s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(-15px, -15px) scale(1.05); }
    50% { transform: translate(15px, -10px) scale(1.02); }
    75% { transform: translate(-10px, 15px) scale(1.03); }
}

body.dark-theme .auth-container {
    background: transparent !important;
    grid-template-columns: 1fr !important;
    min-height: 100vh;
    display: flex !important;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

body.dark-theme .auth-card {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    backdrop-filter: blur(15px);
    color: white !important;
    max-width: 450px;
    width: 100%;
    margin: 0 !important;
    position: relative;
    overflow: hidden;
}

body.dark-theme .auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s;
}

body.dark-theme .auth-card:hover::before {
    left: 100%;
}

body.dark-theme .auth-logo {
    color: white !important;
}

body.dark-theme .auth-logo i {
    color: #dc3545 !important;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

body.dark-theme .auth-header h1 {
    color: white !important;
}

body.dark-theme .auth-header p {
    color: #a1a1aa !important;
}

body.dark-theme .form-label {
    color: #e5e7eb !important;
}

body.dark-theme .form-input {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: white !important;
}

body.dark-theme .form-input::placeholder {
    color: #9ca3af !important;
}

body.dark-theme .form-input:focus {
    border-color: #dc3545 !important;
    background: rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1) !important;
}

body.dark-theme .password-toggle {
    color: #9ca3af !important;
}

body.dark-theme .password-toggle:hover {
    color: #dc3545 !important;
    background: rgba(220, 53, 69, 0.1) !important;
}

body.dark-theme .btn-primary {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%) !important;
    color: white !important;
    border: none !important;
    position: relative;
    overflow: hidden;
}

body.dark-theme .btn-primary:hover {
    background: linear-gradient(135deg, #c82333 0%, #bd2130 100%) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(220, 53, 69, 0.3) !important;
}

body.dark-theme .alert {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
}

body.dark-theme .alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

body.dark-theme .alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

body.dark-theme .auth-footer p {
    color: #a1a1aa !important;
}

body.dark-theme .auth-links .link {
    color: #dc3545 !important;
}

body.dark-theme .auth-links .link:hover {
    color: #c82333 !important;
    text-decoration: underline;
}

/* Mobile Responsive for Admin Login */
@media (max-width: 768px) {
    body.dark-theme .auth-container {
        padding: 1rem;
    }
    
    body.dark-theme .auth-card {
        padding: 2rem;
    }
}