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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

/* Login Screen */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: #4A90E2;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #666;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4A90E2;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: #4A90E2;
    color: white;
}

.btn-primary:hover {
    background-color: #357ABD;
}

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

.btn-secondary:hover {
    background-color: #545b62;
}

.error-message {
    color: #dc3545;
    margin-top: 1rem;
    text-align: center;
}

.success-message {
    color: #28a745;
    font-size: 14px;
    margin-top: 10px;
    text-align: center;
}

.form-actions {
    text-align: center;
    margin-top: 15px;
}

.btn-link {
    background: none;
    border: none;
    color: #007bff;
    text-decoration: underline;
    cursor: pointer;
    font-size: 14px;
}

.btn-link:hover {
    color: #0056b3;
}

/* Admin Panel Layout */
.admin-panel {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: linear-gradient(180deg, #2C3E50 0%, #34495E 100%);
    color: white;
    padding: 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.sidebar-header p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.sidebar-menu {
    list-style: none;
    padding: 1rem 0;
}

.menu-item {
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.menu-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.menu-item.active {
    background-color: #4A90E2;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 0;
}

.header {
    background: white;
    padding: 1rem 2rem;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header h1 {
    color: #333;
    font-size: 1.5rem;
}

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

/* Content Sections */
.content-section {
    padding: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    color: #333;
    font-size: 1.5rem;
}

.section-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.section-actions input,
.section-actions select {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.bulk-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.bulk-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    white-space: nowrap;
}

.bulk-actions .btn i {
    margin-right: 0.25rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid #4A90E2;
    color: #4A90E2;
}

.btn-outline:hover {
    background: #4A90E2;
    color: white;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.stat-content h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 0.25rem;
}

.stat-content p {
    color: #666;
    font-size: 0.9rem;
}

/* Questions List */
.questions-list {
    display: grid;
    gap: 1rem;
}

.question-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #4A90E2;
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.question-text {
    flex: 1;
    font-size: 1.1rem;
    line-height: 1.5;
    margin-right: 1rem;
}

.question-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.meta-tag {
    background: #f0f0f0;
    color: #666;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

.question-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

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

.btn-danger:hover {
    background-color: #c82333;
}

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

.btn-warning:hover {
    background-color: #e0a800;
}

/* Modal */
.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: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    color: #333;
}

.close {
    font-size: 1.5rem;
    cursor: pointer;
    color: #999;
}

.close:hover {
    color: #333;
}

.modal form {
    padding: 1.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
}

/* Option Items */
.option-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background-color: #fafafa;
}

.option-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.option-label {
    font-weight: bold;
    color: #4A90E2;
    min-width: 30px;
    font-size: 1.1rem;
}

.option-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    min-width: 300px;
    width: 100%;
}

.option-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.correct-radio {
    margin-right: 0.5rem;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid #4A90E2;
    color: #4A90E2;
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

.btn-outline:hover {
    background-color: #4A90E2;
    color: white;
}

.option-image-preview {
    max-width: 50px;
    max-height: 50px;
    border-radius: 4px;
    margin-left: 0.5rem;
}

/* Settings Styles */
.settings-container {
    display: grid;
    gap: 2rem;
    max-width: 1200px;
}

.settings-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.settings-card-header {
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    color: white;
    padding: 1.5rem;
}

.settings-card-header h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.settings-form {
    padding: 1.5rem;
}

.settings-form .form-group {
    margin-bottom: 1.5rem;
}

.settings-form .form-group:last-child {
    margin-bottom: 0;
}

.settings-form small {
    display: block;
    margin-top: 0.25rem;
    color: #666;
    font-size: 0.8rem;
}

.settings-form input[readonly] {
    background-color: #f8f9fa;
    color: #6c757d;
    cursor: not-allowed;
}

.connection-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 500;
    display: none;
}

.connection-status.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.connection-status.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

.connection-status.loading {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
    display: block;
}

/* Responsive Settings */
@media (max-width: 768px) {
    .settings-container {
        grid-template-columns: 1fr;
    }
    
    .settings-card-header {
        padding: 1rem;
    }
    
    .settings-form {
        padding: 1rem;
    }
}

/* Categories List */
.categories-list {
    display: grid;
    gap: 1rem;
}

.category-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-info h3 {
    margin-bottom: 0.5rem;
    color: #333;
}

.category-info p {
    color: #666;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 2% auto;
    }
}

/* Loading States */
.loading {
    text-align: center;
    padding: 2rem;
    color: #666;
}

.loading i {
    font-size: 2rem;
    animation: spin 1s linear infinite;
}

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

/* Empty States */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: #666;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Success/Error Messages */
.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Image Preview */
.image-preview {
    margin-top: 1rem;
    text-align: center;
}

.image-preview img {
    max-width: 200px;
    max-height: 200px;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 0.5rem;
}

.image-preview button {
    display: block;
    margin: 0 auto;
}

/* Duplicate Modal Styles */
.category-checkboxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.category-checkbox-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.category-checkbox-item:hover {
    background-color: #e9ecef;
    border-color: #4A90E2;
}

.category-checkbox-item input[type="checkbox"] {
    margin-right: 8px;
    transform: scale(1.1);
}

.category-checkbox-item label {
    margin: 0;
    cursor: pointer;
    font-size: 0.9rem;
    flex: 1;
}

.duplicate-content {
    padding: 1rem;
}

.duplicate-content .form-group {
    margin-bottom: 1.5rem;
}

.duplicate-content .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.duplicate-content .form-group input[type="checkbox"] {
    margin-right: 8px;
    transform: scale(1.1);
}

/* Question Count Styles */
.question-count {
    color: #666;
    font-weight: normal;
    font-size: 0.9em;
}

.question-count-display {
    display: flex;
    align-items: center;
    margin-left: 15px;
}

.count-badge {
    background-color: #4A90E2;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
}

.count-badge:hover {
    background-color: #357ABD;
}

/* Section header layout adjustments */
.section-header {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.section-header h2 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 5px;
}

.section-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* AdMob Settings Styles */
.settings-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.settings-group {
    background: white;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

.settings-group h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.settings-group h3 i {
    color: #4A90E2;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-row:last-child {
    margin-bottom: 0;
}

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

.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: #555;
    font-size: 0.9rem;
}

.form-group input,
.form-group select {
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #4A90E2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-group small {
    margin-top: 4px;
    color: #666;
    font-size: 0.8rem;
    line-height: 1.4;
}

/* Toggle Switch Styles */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
    margin-top: 8px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #4A90E2;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Status Information */
.status-info {
    background: #f8f9fa;
    border-radius: 6px;
    padding: 16px;
    border-left: 4px solid #4A90E2;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #e0e0e0;
}

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

.status-label {
    font-weight: 500;
    color: #555;
}

.status-value {
    font-weight: 600;
    color: #333;
}

.status-value.status-warning {
    color: #f39c12;
}

.status-value.status-success {
    color: #27ae60;
}

.status-value.status-error {
    color: #e74c3c;
}

/* AdMob Test Configuration */
.test-config {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 6px;
    padding: 16px;
    margin-top: 16px;
}

.test-config h4 {
    color: #856404;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.test-config ul {
    color: #856404;
    margin-left: 20px;
}

.test-config li {
    margin-bottom: 4px;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 6px;
    color: white;
    font-weight: 500;
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: slideIn 0.3s ease-out;
}

.notification-success {
    background-color: #27ae60;
}

.notification-error {
    background-color: #e74c3c;
}

/* Notification History Styles */
.notification-history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.notification-history-item {
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 16px;
    transition: box-shadow 0.2s;
}

.notification-history-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.notification-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.notification-history-header strong {
    color: #333;
    font-size: 16px;
}

.notification-history-date {
    color: #666;
    font-size: 12px;
}

.notification-history-message {
    color: #555;
    margin-bottom: 8px;
    line-height: 1.5;
}

.notification-history-image {
    color: #888;
    font-size: 12px;
}

.notification-info {
    background-color: #3498db;
}

.notification-warning {
    background-color: #f39c12;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Cursor API Test Styles */
.api-test-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1rem;
}

.test-input-section,
.test-results-section {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.test-input-section h3,
.test-results-section h3 {
    color: #4A90E2;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.test-input-section textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    resize: vertical;
    margin-bottom: 1.5rem;
    font-family: inherit;
}

.test-input-section textarea:focus {
    outline: none;
    border-color: #4A90E2;
}

.api-config-section {
    border-top: 1px solid #e0e0e0;
    padding-top: 1rem;
}

.api-config-section h4 {
    color: #666;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.config-row {
    margin-bottom: 1rem;
}

.config-row label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.config-row input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
}

.config-row input:focus {
    outline: none;
    border-color: #4A90E2;
}

.test-results {
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 1rem;
    background: #f9f9f9;
}

.no-results {
    color: #666;
    font-style: italic;
    text-align: center;
    margin-top: 2rem;
}

.test-result-item {
    background: white;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 6px;
    border-left: 4px solid #4A90E2;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.test-result-item.error {
    border-left-color: #e74c3c;
    background: #fdf2f2;
}

.test-result-item.success {
    border-left-color: #27ae60;
    background: #f2fdf2;
}

.test-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.test-result-title {
    font-weight: 600;
    color: #333;
}

.test-result-status {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.test-result-status.success {
    background: #d4edda;
    color: #155724;
}

.test-result-status.error {
    background: #f8d7da;
    color: #721c24;
}

.test-result-content {
    color: #666;
    line-height: 1.5;
}

.test-result-meta {
    font-size: 0.8rem;
    color: #999;
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .api-test-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Memory Monitoring Styles */
.memory-monitoring-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.memory-status-card,
.memory-warnings-card,
.memory-leaks-card,
.device-info-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

.memory-logs-card {
    grid-column: 1 / -1;
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

.memory-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #007bff;
}

.stat-label {
    font-weight: 500;
    color: #495057;
}

.stat-value {
    font-weight: 600;
    color: #007bff;
    font-size: 14px;
}

.warnings-list,
.leaks-list {
    margin-top: 15px;
}

.warning-item,
.leak-item {
    padding: 10px;
    margin: 8px 0;
    border-radius: 6px;
    border-left: 4px solid #ffc107;
    background: #fff3cd;
}

.leak-item {
    border-left-color: #dc3545;
    background: #f8d7da;
}

.no-warnings,
.no-leaks {
    color: #6c757d;
    font-style: italic;
    text-align: center;
    padding: 20px;
}

.device-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    background: #f8f9fa;
    border-radius: 6px;
}

.info-label {
    font-weight: 500;
    color: #495057;
}

.info-value {
    font-weight: 600;
    color: #28a745;
    font-size: 13px;
}

.memory-logs-card h3 {
    margin-bottom: 15px;
    color: #343a40;
}

.table-container {
    overflow-x: auto;
    margin-top: 15px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #dee2e6;
}

.data-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #495057;
}

.data-table tr:hover {
    background: #f8f9fa;
}

.no-data {
    text-align: center;
    color: #6c757d;
    font-style: italic;
    padding: 20px;
}

/* Error Monitoring Styles */
.error-monitoring-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.error-stats-card,
.error-categories-card,
.error-alerts-card,
.error-trends-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

.error-logs-card {
    grid-column: 1 / -1;
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

.error-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #dc3545;
}

.stat-label {
    font-weight: 500;
    color: #495057;
}

.stat-value {
    font-weight: 600;
    color: #dc3545;
    font-size: 14px;
}

.categories-list,
.alerts-list {
    margin-top: 15px;
}

.category-item,
.alert-item {
    padding: 10px;
    margin: 8px 0;
    border-radius: 6px;
    border-left: 4px solid #ffc107;
    background: #fff3cd;
}

.alert-item {
    border-left-color: #dc3545;
    background: #f8d7da;
}

.alert-item.resolved {
    border-left-color: #28a745;
    background: #d4edda;
}

.no-data,
.no-alerts {
    color: #6c757d;
    font-style: italic;
    text-align: center;
    padding: 20px;
}

.trends-chart {
    margin-top: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-logs-card h3 {
    margin-bottom: 15px;
    color: #343a40;
}

.table-container {
    overflow-x: auto;
    margin-top: 15px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #dee2e6;
}

.data-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #495057;
}

.data-table tr:hover {
    background: #f8f9fa;
}

.no-data {
    text-align: center;
    color: #6c757d;
    font-style: italic;
    padding: 20px;
}

/* Fraud Actions Styles */
.fraud-actions-card {
    grid-column: 1 / -1;
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
    margin-top: 20px;
}

.action-buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.btn-danger {
    background: #dc3545;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-danger:hover {
    background: #c82333;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.btn-warning {
    background: #ffc107;
    color: #212529;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-warning:hover {
    background: #e0a800;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);
}

.fraud-alert-item {
    padding: 15px;
    margin: 10px 0;
    border-radius: 8px;
    border-left: 4px solid #dc3545;
    background: #f8d7da;
    position: relative;
}

.fraud-alert-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 8px;
}

.fraud-alert-actions .btn {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
}

.session-info, .device-info, .user-info {
    margin: 5px 0;
    font-size: 14px;
    color: #495057;
}

.fraud-score {
    font-weight: bold;
    color: #dc3545;
}

.fraud-type {
    background: #dc3545;
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

/* Users Management Styles */
.users-container {
    margin-top: 1rem;
}

.users-list-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

.users-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.user-card {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 16px;
    border: 1px solid #e0e0e0;
    transition: transform 0.2s, box-shadow 0.2s;
}

.user-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.user-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e0e0e0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.user-avatar {
    font-size: 40px;
    color: #007bff;
}

.user-details h4 {
    margin: 0;
    font-size: 18px;
    color: #333;
    font-weight: 600;
}

.user-email {
    margin: 4px 0 0 0;
    font-size: 14px;
    color: #666;
}

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

.user-card-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.user-detail-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.detail-label {
    font-weight: 600;
    color: #555;
    min-width: 140px;
}

.detail-label i {
    margin-right: 4px;
    color: #007bff;
}

.detail-value {
    color: #333;
}

.user-id {
    font-family: monospace;
    font-size: 12px;
    color: #666;
    word-break: break-all;
}

.search-container {
    margin-bottom: 20px;
}

.search-container input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

.search-container input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

/* Admin Users Management Styles */
.admin-users-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1rem;
}

.admin-users-list-card, .add-admin-user-card, .admin-quick-actions-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

.admin-quick-actions-card {
    grid-column: 1 / -1;
}

.admin-users-list {
    max-height: 400px;
    overflow-y: auto;
}

.admin-user-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    margin: 10px 0;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #007bff;
}

.admin-user-info {
    flex: 1;
}

.admin-user-email {
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.admin-user-role {
    font-size: 12px;
    color: #666;
    background: #e9ecef;
    padding: 2px 8px;
    border-radius: 12px;
    display: inline-block;
}

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

.admin-user-actions .btn {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
}

.permissions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.permission-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background: #f8f9fa;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.permission-item:hover {
    background: #e9ecef;
}

.permission-item input[type="checkbox"] {
    margin: 0;
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.quick-actions-grid .btn {
    padding: 12px 20px;
    font-weight: 600;
}

/* API Keys Management Styles */
.api-keys-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1rem;
}

.keys-info {
    grid-column: 1 / -1;
}

.info-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
}

.info-card h3 {
    color: #4A90E2;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.info-card p {
    color: #666;
    line-height: 1.5;
}

.keys-form {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.key-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e0e0e0;
}

.key-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.key-section h3 {
    color: #4A90E2;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.key-input-group {
    margin-bottom: 1rem;
}

.key-input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.input-with-toggle {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-toggle input {
    width: 100%;
    padding: 0.75rem;
    padding-right: 3rem;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    font-family: 'Courier New', monospace;
}

.input-with-toggle input:focus {
    outline: none;
    border-color: #4A90E2;
}

.toggle-visibility {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: color 0.2s;
}

.toggle-visibility:hover {
    color: #4A90E2;
}

.key-help {
    display: block;
    margin-top: 0.5rem;
    color: #666;
    font-size: 0.9rem;
    font-style: italic;
}

.keys-status {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.keys-status h3 {
    color: #4A90E2;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.status-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid #e0e0e0;
}

.status-label {
    font-weight: 500;
    color: #333;
}

.status-value {
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
}

.status-value.configured {
    background: #d4edda;
    color: #155724;
    border-left-color: #27ae60;
}

.status-value.not-configured {
    background: #f8d7da;
    color: #721c24;
    border-left-color: #e74c3c;
}

.status-value.testing {
    background: #fff3cd;
    color: #856404;
    border-left-color: #ffc107;
}

.status-value.error {
    background: #f8d7da;
    color: #721c24;
    border-left-color: #e74c3c;
}

@media (max-width: 768px) {
    .api-keys-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Delete button styling for memory logs */
.delete-memory-log-btn {
    padding: 4px 8px;
    font-size: 12px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.delete-memory-log-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(220, 53, 69, 0.3);
}

.delete-memory-log-btn i {
    margin-right: 4px;
}

/* Memory logs header and stats */
.memory-logs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.memory-logs-stats {
    display: flex;
    gap: 10px;
    align-items: center;
}

.log-count-badge {
    background: #007bff;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.total-count-badge {
    background: #28a745;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Memory logs pagination */
.memory-logs-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border-top: 1px solid #dee2e6;
}

.memory-logs-pagination .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.page-info {
    font-weight: 500;
    color: #495057;
    font-size: 0.9rem;
}

.pagination-options {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pagination-options label {
    font-size: 0.9rem;
    color: #495057;
    margin: 0;
}

.pagination-options select {
    padding: 4px 8px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 0.85rem;
}

.pagination-options select:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

/* Error alerts styling with actions */
.alert-item {
    padding: 15px;
    margin: 10px 0;
    border-radius: 8px;
    border-left: 4px solid #ffc107;
    background: #fff3cd;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 15px;
}

.alert-content {
    flex: 1;
}

.alert-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.alert-actions .btn {
    padding: 4px 8px;
    font-size: 12px;
    border-radius: 4px;
}

.btn-success {
    background: #28a745;
    color: white;
    border: none;
}

.btn-success:hover {
    background: #218838;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(40, 167, 69, 0.3);
}

/* Error log delete button styling */
.delete-error-log-btn {
    padding: 4px 8px;
    font-size: 12px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.delete-error-log-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(220, 53, 69, 0.3);
}

.delete-error-log-btn i {
    margin-right: 4px;
}

/* Error alert delete button styling */
.delete-error-alert-btn {
    padding: 4px 8px;
    font-size: 12px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.delete-error-alert-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(220, 53, 69, 0.3);
}

.delete-error-alert-btn i {
    margin-right: 4px;
}

/* RazorPay Configuration Styles */
.config-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.environment-selector {
    margin-bottom: 30px;
    text-align: center;
}

.environment-selector label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #333;
}

.environment-selector select {
    padding: 12px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    background: white;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.environment-selector select:focus {
    outline: none;
    border-color: #4A90E2;
}

.config-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 20px;
}

.config-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.config-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.test-environment {
    border-left: 4px solid #4A90E2;
}

.production-environment {
    border-left: 4px solid #28a745;
}

.card-header {
    padding: 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
}

.test-environment .card-header {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    color: white;
}

.production-environment .card-header {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
}

.card-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.card-header i {
    margin-right: 8px;
}

.card-body {
    padding: 20px;
}

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

.card-body label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.card-body input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.card-body input:focus {
    outline: none;
    border-color: #4A90E2;
}

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

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.3s ease;
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.stat-card:nth-child(1) .stat-icon {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
}

.stat-card:nth-child(2) .stat-icon {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.stat-card:nth-child(3) .stat-icon {
    background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
}

.stat-card:nth-child(4) .stat-icon {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.stat-content h3 {
    margin: 0 0 4px 0;
    font-size: 28px;
    font-weight: 700;
    color: #333;
}

.stat-content p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

.subscription-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    align-items: center;
    flex-wrap: wrap;
}

.subscription-filters select,
.subscription-filters input {
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
}

.subscriptions-list {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.subscription-item {
    padding: 20px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.subscription-info h4 {
    margin: 0 0 8px 0;
    color: #333;
    font-size: 16px;
}

.subscription-info p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

.subscription-status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-active {
    background: #d4edda;
    color: #155724;
}

.status-expired {
    background: #f8d7da;
    color: #721c24;
}

.status-cancelled {
    background: #fff3cd;
    color: #856404;
}

/* Responsive Design */
@media (max-width: 768px) {
    .config-cards {
        grid-template-columns: 1fr;
    }
    
    .subscription-stats {
        grid-template-columns: 1fr;
    }
    
    .subscription-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .subscription-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

/* Notification System */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 10000;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
    max-width: 400px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.notification.success {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
}

.notification.error {
    background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
}

.notification.info {
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
}

.notification i {
    margin-right: 8px;
}

/* Transaction Monitoring Styles */
.transaction-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.transaction-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    align-items: center;
}

.transaction-filters .form-control {
    min-width: 150px;
}

.transactions-table-container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 2rem;
}

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

.transactions-table th {
    background: #f8f9fa;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: #495057;
    border-bottom: 2px solid #dee2e6;
}

.transactions-table td {
    padding: 1rem;
    border-bottom: 1px solid #dee2e6;
    vertical-align: middle;
}

.transactions-table tbody tr:hover {
    background-color: #f8f9fa;
}

.transaction-status {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    display: inline-block;
    min-width: 80px;
}

.transaction-status.success {
    background-color: #d4edda;
    color: #155724;
}

.transaction-status.failed {
    background-color: #f8d7da;
    color: #721c24;
}

.transaction-status.pending {
    background-color: #fff3cd;
    color: #856404;
}

.transaction-amount {
    font-weight: 600;
    color: #28a745;
}

.transaction-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.transaction-actions .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.transaction-actions .btn-warning {
    border-color: #ff9800;
    color: #ff9800;
}

.transaction-actions .btn-warning:hover {
    background-color: #ff9800;
    color: white;
}

.transaction-actions .btn-danger {
    border-color: #f44336;
    color: #f44336;
}

.transaction-actions .btn-danger:hover {
    background-color: #f44336;
    color: white;
}

/* Subscription Management Styles */
.subscription-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.subscription-buttons .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.subscription-buttons .btn-warning {
    border-color: #ff9800;
    color: #ff9800;
}

.subscription-buttons .btn-warning:hover {
    background-color: #ff9800;
    color: white;
}

.subscription-buttons .btn-danger {
    border-color: #f44336;
    color: #f44336;
}

.subscription-buttons .btn-danger:hover {
    background-color: #f44336;
    color: white;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
}

.transaction-id {
    font-family: monospace;
    font-size: 0.875rem;
    background: #f8f9fa;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Transaction Details Modal */
#transactionDetailsModal .modal-content {
    max-width: 600px;
}

.transaction-details {
    display: grid;
    gap: 1rem;
}

.transaction-detail-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1rem;
    padding: 0.75rem;
    background: #f8f9fa;
    border-radius: 4px;
}

.transaction-detail-row .label {
    font-weight: 600;
    color: #495057;
}

.transaction-detail-row .value {
    color: #212529;
}

.transaction-detail-row .value.status {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    display: inline-block;
}

/* Mobile Responsive for Transaction Monitoring */
@media (max-width: 768px) {
    .transaction-stats {
        grid-template-columns: 1fr;
    }
    
    .transaction-filters {
        flex-direction: column;
        gap: 1rem;
    }
    
    .transaction-filters > * {
        width: 100%;
    }
    
    .transactions-table-container {
        overflow-x: auto;
    }
    
    .transactions-table {
        min-width: 800px;
    }
}

/* Subscription Plans Styles */
.plans-list {
    display: grid;
    gap: 20px;
    margin-top: 20px;
}

.plan-item {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.plan-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.plan-info {
    flex: 1;
}

.plan-info h3 {
    color: #2c3e50;
    margin-bottom: 8px;
    font-size: 1.4rem;
    font-weight: 600;
}

.plan-description {
    color: #666;
    margin-bottom: 16px;
    line-height: 1.5;
}

.plan-details {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.plan-price {
    background: linear-gradient(135deg, #7D3C98, #4A90E2);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 1.1rem;
}

.plan-duration {
    background: #f8f9fa;
    color: #495057;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid #e9ecef;
}

.plan-status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.plan-status.active {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.plan-status.inactive {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.plan-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tag {
    background: #e3f2fd;
    color: #1976d2;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    border: 1px solid #bbdefb;
}

.no-features {
    color: #999;
    font-style: italic;
    font-size: 0.9rem;
}

.plan-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-left: 20px;
}

.plan-actions .btn {
    min-width: 100px;
    padding: 8px 16px;
    font-size: 0.85rem;
}

.no-data {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.no-data i {
    font-size: 3rem;
    margin-bottom: 16px;
    color: #ddd;
}

.no-data p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* Responsive Design for Subscription Plans */
@media (max-width: 768px) {
    .plan-item {
        flex-direction: column;
        gap: 16px;
    }

    .plan-actions {
        flex-direction: row;
        margin-left: 0;
        justify-content: flex-end;
    }

    .plan-details {
        flex-direction: column;
        gap: 8px;
    }
}


/* Score Management Styles */
.score-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.leaderboard-container {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.leaderboard-entry {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #4A90E2;
    transition: all 0.3s ease;
}

.leaderboard-entry:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.leaderboard-entry.gold {
    border-left-color: #FFD700;
    background: linear-gradient(135deg, #FFD70020, #FFA50020);
}

.leaderboard-entry.silver {
    border-left-color: #C0C0C0;
    background: linear-gradient(135deg, #C0C0C020, #A0A0A020);
}

.leaderboard-entry.bronze {
    border-left-color: #CD7F32;
    background: linear-gradient(135deg, #CD7F3220, #B8860B20);
}

.leaderboard-entry .rank {
    font-size: 1.5rem;
    font-weight: bold;
    color: #4A90E2;
    margin-right: 1rem;
    min-width: 60px;
}

.leaderboard-entry.gold .rank {
    color: #FFD700;
}

.leaderboard-entry.silver .rank {
    color: #C0C0C0;
}

.leaderboard-entry.bronze .rank {
    color: #CD7F32;
}

.leaderboard-entry .user-info {
    display: flex;
    align-items: center;
    flex: 1;
}

.leaderboard-entry .user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4A90E2, #8E44AD);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    margin-right: 1rem;
}

.leaderboard-entry .user-details {
    flex: 1;
}

.leaderboard-entry .user-name {
    font-weight: bold;
    color: #333;
    margin-bottom: 0.25rem;
}

.leaderboard-entry .user-email {
    color: #666;
    font-size: 0.9rem;
}

.leaderboard-entry .score {
    font-size: 1.5rem;
    font-weight: bold;
    color: #4A90E2;
    min-width: 80px;
    text-align: right;
}

.leaderboard-entry.gold .score {
    color: #FFD700;
}

.leaderboard-entry.silver .score {
    color: #C0C0C0;
}

.leaderboard-entry.bronze .score {
    color: #CD7F32;
}

/* Library Management Styles */
.library-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-top: 1rem;
}

.library-list-card,
.add-library-item-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.library-list-card h3,
.add-library-item-card h3 {
    color: #2C3E50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.library-section {
    margin-bottom: 2rem;
}

.section-title {
    color: #4A90E2;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #E8F4FD;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.book-card {
    background: #F8F9FA;
    border: 1px solid #E9ECEF;
    border-radius: 8px;
    padding: 1rem;
    transition: all 0.3s ease;
}

.book-card:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.book-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.book-title {
    color: #2C3E50;
    font-size: 1rem;
    font-weight: bold;
    margin: 0;
    flex: 1;
    margin-right: 0.5rem;
}

.book-actions {
    display: flex;
    gap: 0.25rem;
}

.book-details {
    font-size: 0.9rem;
    color: #6C757D;
}

.book-details p {
    margin-bottom: 0.25rem;
}

.book-author,
.book-language,
.book-level {
    font-weight: 500;
}

.book-description {
    margin: 0.5rem 0;
    font-style: italic;
    color: #495057;
}

.book-link {
    color: #4A90E2;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.book-link:hover {
    color: #357ABD;
    text-decoration: underline;
}

.book-date {
    margin-top: 0.5rem;
    color: #ADB5BD;
}

.form-help {
    font-size: 0.8rem;
    color: #6C757D;
    margin-top: 0.25rem;
    display: block;
}

/* Responsive Design for Library */
@media (max-width: 768px) {
    .library-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .books-grid {
        grid-template-columns: 1fr;
    }
    
    .book-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .book-actions {
        margin-top: 0.5rem;
        align-self: flex-end;
    }
}

.no-data {
    text-align: center;
    padding: 2rem;
    color: #666;
    font-style: italic;
}

/* Analytics */
.analytics-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.metric-card {
    background: white;
    border-radius: 14px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}

.metric-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
}

.metric-card--blue .metric-card-icon {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
}

.metric-card--green .metric-card-icon {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
}

.metric-card--purple .metric-card-icon {
    background: linear-gradient(135deg, #8e44ad 0%, #6c3483 100%);
}

.metric-card--orange .metric-card-icon {
    background: linear-gradient(135deg, #f39c12 0%, #d68910 100%);
}

.metric-card--teal .metric-card-icon {
    background: linear-gradient(135deg, #16a085 0%, #13856c 100%);
}

.metric-card--red .metric-card-icon {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.metric-card-content h3 {
    margin: 0;
    font-size: 26px;
    font-weight: 700;
    color: #333;
}

.metric-card-content p {
    margin: 4px 0 0;
    color: #666;
    font-size: 0.95rem;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.analytics-card {
    background: white;
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.analytics-card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

.analytics-card-header h3 i {
    color: #4A90E2;
}

.analytics-card-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.analytics-bar-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.analytics-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    color: #444;
    font-weight: 500;
}

.analytics-bar {
    width: 100%;
    height: 10px;
    border-radius: 5px;
    background: #f0f2f5;
    overflow: hidden;
}

.analytics-bar-fill {
    height: 100%;
    border-radius: 5px;
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    transition: width 0.4s ease;
}

.analytics-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.analytics-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f0f2f5;
}

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

.analytics-list-item .learner-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.analytics-list-item strong {
    font-weight: 600;
    color: #333;
}

.analytics-badge {
    background: rgba(74, 144, 226, 0.12);
    color: #2c6fbe;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
}

.analytics-card-body .no-data {
    text-align: center;
    color: #888;
    font-size: 0.95rem;
    padding: 12px 0;
}

/* Admin Config */
.admin-config-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.config-card {
    background: white;
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.config-card h3 {
    font-size: 1.2rem;
    color: #2C3E50;
    display: flex;
    align-items: center;
    gap: 10px;
}

.config-card h3 i {
    color: #4A90E2;
}

.config-description {
    color: #555;
    line-height: 1.5;
}

#announcementMessage {
    width: 100%;
    min-height: 140px;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid #d9dde3;
    font-size: 1rem;
    resize: vertical;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#announcementMessage:focus {
    outline: none;
    border-color: #4A90E2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.toggle {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    position: relative;
    cursor: pointer;
    user-select: none;
    width: fit-content;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: relative;
    width: 48px;
    height: 24px;
    background-color: #d0d7e2;
    border-radius: 999px;
    transition: background-color 0.3s ease;
}

.toggle-slider::before {
    content: "";
    position: absolute;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    left: 2px;
    top: 2px;
    background-color: #fff;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 6px rgba(17, 24, 39, 0.2);
}

.toggle input:checked + .toggle-slider {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(24px);
}

.toggle-label {
    font-size: 0.95rem;
    color: #444;
}

.toggle-label strong {
    color: #4A90E2;
}

.config-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #666;
    flex-wrap: wrap;
    gap: 8px;
}

.config-status span {
    background: #f6f8fb;
    padding: 6px 12px;
    border-radius: 999px;
    font-weight: 500;
}

/* Tools Access Control Styles */
.tools-access-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 20px;
}

.tool-access-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.tool-access-item:hover {
    background: #f1f3f5;
    border-color: #4A90E2;
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.1);
}

.tool-info {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.tool-info i {
    font-size: 24px;
    flex-shrink: 0;
}

.tool-info div {
    margin-left: 12px;
    min-width: 0;
}

.tool-info strong {
    display: block;
    color: #2C3E50;
    font-size: 1rem;
    margin-bottom: 4px;
}

.tool-info small {
    display: block;
    color: #666;
    font-size: 0.85rem;
    line-height: 1.4;
}

.tool-status {
    margin-left: 16px;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    min-width: 60px;
    text-align: center;
    flex-shrink: 0;
}