/* Admin Panel Styles */
/* ================================================== */

/* Admin Dashboard */
.admin-dashboard {
    padding: 20px;
    background: var(--background-color);
    min-height: calc(100vh - 70px);
    border-radius: 12px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid var(--border-color);
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 24px;
    color: white;
    flex-shrink: 0;
}

.stat-icon.users {
    background: #3498db;
}

.stat-icon.active {
    background: #27ae60;
}

.stat-icon.premium {
    background: #f39c12;
}

.stat-icon.admin {
    background: #e74c3c;
}

.stat-icon.new-users {
    background: #9b59b6;
}

.stat-icon.blocked {
    background: #95a5a6;
}

.stat-content h3 {
    font-size: 28px;
    margin: 0 0 5px 0;
    font-weight: bold;
    color: var(--text-primary);
}

.stat-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Quick Actions */
.quick-actions {
    margin-bottom: 30px;
}

.quick-actions h2 {
    margin-bottom: 15px;
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 600;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.action-card {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 20px;
    text-decoration: none;
    color: inherit;
    display: block;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}

.action-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: inherit;
}

.action-card i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: block;
}

.action-card h3 {
    margin: 0 0 10px 0;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
}

.action-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.4;
}

/* Recent Activity */
.recent-activity {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.recent-activity h2 {
    margin-bottom: 15px;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.activity-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--background-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.activity-content p {
    margin: 0 0 5px 0;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.activity-time {
    font-size: 12px;
    color: var(--text-muted);
}

/* Page Header */
.page-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    margin: 0 0 5px 0;
    color: var(--text-primary);
    font-size: 28px;
    font-weight: 700;
}

.page-header p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 16px;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
    font-size: 0.9rem;
    line-height: 1.4;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.alert::before {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    border-color: rgba(40, 167, 69, 0.2);
    color: var(--success-color);
}

.alert-success::before {
    content: "\f00c";
    /* check-circle */
    color: var(--success-color);
}

.alert-error {
    background-color: rgba(220, 53, 69, 0.1);
    border-color: rgba(220, 53, 69, 0.2);
    color: var(--error-color);
}

.alert-error::before {
    content: "\f071";
    /* exclamation-triangle */
    color: var(--error-color);
}

.alert ul {
    margin: 0;
    padding-left: 1rem;
}

.alert ul li {
    margin-bottom: 0.25rem;
}

.alert ul li:last-child {
    margin-bottom: 0;
}

/* Dark Mode Support for Alerts */
[data-theme="dark"] .alert-success {
    background-color: rgba(129, 199, 132, 0.1);
    border-color: rgba(129, 199, 132, 0.2);
    color: var(--success-color);
}

[data-theme="dark"] .alert-error {
    background-color: rgba(239, 83, 80, 0.1);
    border-color: rgba(239, 83, 80, 0.2);
    color: var(--error-color);
}

[data-theme="dark"] .alert ul li {
    color: var(--text-secondary);
}

/* Dark Mode Support for User Detail Elements */
[data-theme="dark"] .text-muted {
    color: var(--text-muted);
}

[data-theme="dark"] .text-success {
    color: #4caf50;
}

[data-theme="dark"] .text-error {
    color: #f44336;
}

[data-theme="dark"] .text-warning {
    color: #ff9800;
}

[data-theme="dark"] .badge-premium {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

[data-theme="dark"] .badge-basic {
    background: rgba(158, 158, 158, 0.2);
    color: #9e9e9e;
}

[data-theme="dark"] .role-badge {
    background: rgba(25, 118, 210, 0.2);
    color: #42a5f5;
}

[data-theme="dark"] .status-badge {
    background: rgba(76, 175, 80, 0.2);
    color: #66bb6a;
}

[data-theme="dark"] .status-badge.status-inactive {
    background: rgba(244, 67, 54, 0.2);
    color: #ef5350;
}

[data-theme="dark"] .security-level {
    background: rgba(76, 175, 80, 0.2);
    color: #66bb6a;
}

[data-theme="dark"] .security-level.level-basic {
    background: rgba(244, 67, 54, 0.2);
    color: #ef5350;
}

[data-theme="dark"] .security-level.level-standard {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

[data-theme="dark"] .security-level.level-high {
    background: rgba(76, 175, 80, 0.2);
    color: #66bb6a;
}

/* Field Hints */
.field-hint {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.field-hint::before {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.field-hint.error {
    color: var(--error-color);
}

.field-hint.error::before {
    content: "\f06a";
    /* exclamation-circle */
    color: var(--error-color);
}

.field-hint.success {
    color: var(--success-color);
}

.field-hint.success::before {
    content: "\f00c";
    /* check-circle */
    color: var(--success-color);
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--surface-color);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 179, 66, 0.1);
}

[data-theme="dark"] .form-input:focus {
    box-shadow: 0 0 0 3px rgba(139, 195, 74, 0.1);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

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

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

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

.btn-secondary:hover {
    background: #6c757d;
}

/* Dark Mode Support for Form Elements */
[data-theme="dark"] .form-label {
    color: var(--text-primary);
}

[data-theme="dark"] .form-input {
    background: var(--surface-color);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* Admin Users Page */
.admin-users {
    padding: 20px;
    background: var(--background-color);
    min-height: calc(100vh - 70px);
}

.header-content h1 {
    margin: 0 0 5px 0;
    color: var(--text-primary);
    font-size: 24px;
}

.header-content p {
    margin: 0;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filters-section {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}



.filter-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

[data-theme="dark"] .filter-btn:hover,
[data-theme="dark"] .filter-btn.active {
    background: var(--primary-color);
}

/* Users Table */
.users-table-container {
    background: var(--surface-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

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

.users-table th,
.users-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.users-table th {
    background: var(--background-color);
    font-weight: 600;
    color: var(--text-primary);
    position: sticky;
    top: 0;
    border-bottom: 2px solid var(--border-color);
}

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

.user-info strong {
    display: block;
    color: var(--text-primary);
}

.role-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.role-user {
    background: #e3f2fd;
    color: #1976d2;
}

.role-student {
    background: #f3e5f5;
    color: #7b1fa2;
}

.role-admin {
    background: #ffebee;
    color: #d32f2f;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.status-active {
    background: #e8f5e8;
    color: #2e7d32;
}

.status-inactive {
    background: #ffebee;
    color: #c62828;
}

.action-buttons {
    display: flex;
    gap: 5px;
}

.btn-action {
    padding: 8px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: white;
}

.btn-view {
    background: #17a2b8;
}

.btn-edit {
    background: #ffc107;
    color: #212529;
}

.btn-delete {
    background: #dc3545;
}

.btn-action:hover {
    opacity: 0.8;
    transform: scale(1.1);
}

.no-data {
    text-align: center;
    padding: 40px !important;
    color: var(--text-secondary);
}

.no-data i {
    font-size: 48px;
    margin-bottom: 10px;
    display: block;
    color: var(--text-muted);
}

.text-muted {
    color: var(--text-muted);
    font-style: italic;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: var(--surface-color);
    margin: 5% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--border-color);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 18px;
}

.modal-close {
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--surface-color);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-actions {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

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

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn:hover {
    opacity: 0.9;
}

/* Admin User Detail Page */
.admin-user-detail {
    padding: 20px;
    background: var(--background-color);
    min-height: calc(100vh - 70px);
}

.user-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.detail-card {
    background: var(--surface-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.card-header {
    background: var(--background-color);
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
}

.card-header i {
    margin-right: 8px;
    color: var(--primary-color);
}

.card-content {
    padding: 20px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
    border-bottom: none;
}

.info-row label {
    font-weight: 500;
    color: var(--text-secondary);
    flex: 0 0 150px;
}

.info-row span {
    flex: 1;
    text-align: right;
    color: var(--text-primary);
}

.text-success {
    color: #28a745;
}

.text-error {
    color: #dc3545;
}

.text-warning {
    color: #ffc107;
}

.badge-premium {
    background: #fff3cd;
    color: #856404;
}

.badge-basic {
    background: #e2e3e5;
    color: #383d41;
}

.security-level {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.level-basic {
    background: #ffebee;
    color: #c62828;
}

.level-standard {
    background: #fff3cd;
    color: #856404;
}

.level-high {
    background: #d4edda;
    color: #155724;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-warning {
    background: #ffc107;
    color: #212529;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

/* Premium Promotion */
.premium-promotion {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 30px;
    color: white;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.premium-promotion::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    50% {
        transform: translate(-50%, -50%) rotate(180deg);
    }
}

.promotion-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.promotion-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #ffd700;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.promotion-title h2 {
    margin: 0 0 8px 0;
    font-size: 28px;
    font-weight: 700;
    color: white;
}

.promotion-title p {
    margin: 0;
    font-size: 16px;
    opacity: 0.9;
}

.promotion-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    flex-shrink: 0;
}

.feature-content h4 {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 600;
    color: white;
}

.feature-content p {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.5;
}

.promotion-footer {
    text-align: center;
    position: relative;
    z-index: 1;
}

.promotion-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #ffd700;
    color: #333;
    padding: 15px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.promotion-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
    background: #ffed4e;
}

.promotion-btn i {
    font-size: 18px;
}

.promotion-note {
    margin: 15px 0 0 0;
    font-size: 14px;
    opacity: 0.8;
    font-style: italic;
}

/* Dark Mode Support for Premium Promotion */
[data-theme="dark"] .premium-promotion {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}

[data-theme="dark"] .promotion-icon {
    background: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .feature-item {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .feature-item:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
}

[data-theme="dark"] .feature-icon {
    background: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .promotion-btn {
    background: #fbbf24;
    color: #1f2937;
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
}

[data-theme="dark"] .promotion-btn:hover {
    background: #f59e0b;
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.4);
}

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

    .premium-promotion {
        padding: 20px;
    }

    .promotion-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .promotion-features {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .feature-item {
        padding: 15px;
    }

    .promotion-btn {
        padding: 12px 24px;
        font-size: 14px;
    }

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

    .stat-card {
        flex-direction: column;
        text-align: center;
    }

    .stat-icon {
        margin-right: 0;
        margin-bottom: 10px;
    }

    .page-header {
        flex-direction: column;
        align-items: stretch;
    }

    .header-actions {
        margin-top: 15px;
    }

    .users-table {
        font-size: 14px;
    }

    .users-table th,
    .users-table td {
        padding: 10px 8px;
    }

    .action-buttons {
        flex-direction: column;
        gap: 3px;
    }

    .filter-buttons {
        justify-content: center;
    }

    .user-details-grid {
        grid-template-columns: 1fr;
    }

    .info-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .info-row label {
        flex: none;
    }

    .info-row span {
        text-align: left;
    }

    .modal-content {
        margin: 10% auto;
        width: 95%;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {

    .admin-dashboard,
    .admin-users,
    .admin-user-detail {
        padding: 15px;
    }

    .stat-card,
    .action-card,
    .detail-card {
        padding: 15px;
    }

    .premium-promotion {
        padding: 15px;
    }

    .promotion-header {
        gap: 10px;
    }

    .promotion-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

    .promotion-title h2 {
        font-size: 22px;
    }

    .promotion-features {
        gap: 10px;
    }

    .feature-item {
        padding: 12px;
        gap: 10px;
    }

    .feature-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .feature-content h4 {
        font-size: 16px;
    }

    .modal-content {
        width: 98%;
        margin: 5% auto;
    }
}