/* =============================================
   CYBERHUB ADMIN - STYLES
   Interface d'administration et éditeur visuel
   ============================================= */

/* =============================================
   ADMIN LAYOUT
   ============================================= */

.admin-body {
    background: var(--bg-primary);
}

.admin-app {
    display: flex;
    min-height: 100vh;
}

/* =============================================
   LOGIN MODAL
   ============================================= */

.login-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.login-modal.hidden {
    display: none;
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
    width: 100%;
    max-width: 400px;
    animation: fadeInUp var(--transition-slow);
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.login-card h2 {
    text-align: center;
    margin-bottom: 32px;
    font-size: 24px;
}

.login-error {
    color: var(--danger);
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
}

/* =============================================
   ADMIN SIDEBAR
   ============================================= */

.admin-sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-secondary) 100%);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.admin-badge {
    background: linear-gradient(135deg, var(--red-primary), var(--blue-primary));
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
}

.admin-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.admin-nav .nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    margin-bottom: 4px;
}

.admin-nav .nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.admin-nav .nav-item.active {
    background: linear-gradient(135deg, var(--red-primary), var(--blue-primary));
    color: white;
}

.superadmin-only {
    display: none;
}

body.is-superadmin .superadmin-only {
    display: flex;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.user-details {
    flex: 1;
}

.user-name {
    display: block;
    font-weight: 600;
    font-size: 14px;
}

.user-role {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
}

.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-base);
    margin-top: 12px;
}

.btn-logout:hover {
    border-color: var(--danger);
    color: var(--danger);
}

/* =============================================
   ADMIN CONTENT
   ============================================= */

.admin-content {
    flex: 1;
    margin-left: 260px;
    padding: 32px 40px;
    min-height: 100vh;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.admin-header h1 {
    font-size: 28px;
    margin-bottom: 4px;
}

.admin-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.admin-view {
    display: none;
    animation: fadeIn var(--transition-base);
}

.admin-view.active {
    display: block;
}

/* =============================================
   STATS GRID
   ============================================= */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    font-size: 32px;
}

.stat-info {
    flex: 1;
}

.stat-info .stat-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
}

.stat-info .stat-label {
    color: var(--text-secondary);
    font-size: 13px;
}

/* =============================================
   DASHBOARD SECTIONS
   ============================================= */

.dashboard-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
}

.dashboard-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
}

.dashboard-section h3 {
    font-size: 16px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.recent-list, .activity-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recent-item, .activity-item {
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.activity-item {
    display: flex;
    gap: 12px;
}

.activity-item .time {
    color: var(--text-muted);
    font-size: 12px;
    min-width: 80px;
}

.activity-item .action {
    flex: 1;
}

/* =============================================
   ADMIN TABLES
   ============================================= */

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.admin-table th,
.admin-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    background: var(--bg-tertiary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
}

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

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

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.btn-icon:hover {
    border-color: var(--blue-primary);
    background: rgba(37, 99, 235, 0.1);
}

.btn-icon.danger:hover {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* =============================================
   FILTERS BAR
   ============================================= */

.filters-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.filters-bar select {
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
}

/* =============================================
   THEMES SECTION
   ============================================= */

.themes-section {
    margin-bottom: 24px;
}

.themes-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

/* =============================================
   EDITORS GRID
   ============================================= */

.editors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.editor-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
}

.editor-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.editor-card .avatar {
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.editor-card .name {
    font-weight: 600;
    font-size: 16px;
}

.editor-card .username {
    color: var(--text-muted);
    font-size: 13px;
}

.editor-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

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

.editor-stat .value {
    font-weight: 700;
    font-size: 20px;
}

.editor-stat .label {
    font-size: 11px;
    color: var(--text-muted);
}

.editor-card .last-active {
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

/* =============================================
   THEMES ADMIN GRID
   ============================================= */

.themes-admin-grid {
    display: block;
}

.theme-admin-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    position: relative;
}

.theme-admin-card.red {
    border-left: 4px solid var(--red-primary);
}

.theme-admin-card.blue {
    border-left: 4px solid var(--blue-primary);
}

.theme-admin-card h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.theme-admin-card p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 16px;
}

.theme-admin-card .meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
}

/* =============================================
   EDITOR CONTAINER
   ============================================= */

.editor-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 24px;
    min-height: calc(100vh - 200px);
}

.editor-settings {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    height: fit-content;
    position: sticky;
    top: 24px;
}

.settings-section h3 {
    font-size: 14px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-base);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* =============================================
   THEME SELECTOR WITH INLINE CREATE
   ============================================= */

.theme-selector-container {
    display: flex;
    gap: 8px;
}

.theme-selector-container select {
    flex: 1;
}

.btn-add-theme {
    width: 42px;
    height: 42px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-add-theme:hover {
    border-color: var(--blue-primary);
    background: rgba(37, 99, 235, 0.1);
    color: var(--blue-primary);
}

.inline-theme-creator {
    margin-top: 12px;
    padding: 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    animation: fadeInUp var(--transition-base);
}

.inline-theme-creator.hidden {
    display: none;
}

.inline-theme-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 14px;
}

.btn-close-inline {
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.btn-close-inline:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.inline-theme-creator .form-group {
    margin-bottom: 12px;
}

.inline-theme-creator .form-group:last-of-type {
    margin-bottom: 16px;
}

.inline-theme-creator .form-row {
    margin-bottom: 12px;
}

.btn-small {
    padding: 10px 16px;
    font-size: 13px;
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border: none;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: none;
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-1px);
}

/* =============================================
   TOAST NOTIFICATION
   ============================================= */

.toast-notification {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--success);
    color: white;
    padding: 14px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10000;
}

.toast-notification.show {
    transform: translateY(0);
    opacity: 1;
}

/* =============================================
   AI ASSISTANT BANNER
   ============================================= */

.ai-assistant-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(37, 99, 235, 0.15) 100%);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.ai-banner-content {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ai-banner-icon {
    font-size: 32px;
    animation: pulse 2s infinite;
}

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

.ai-banner-text strong {
    display: block;
    font-size: 15px;
    color: var(--success);
    margin-bottom: 4px;
}

.ai-banner-text p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

.btn-ai {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-base);
    border: none;
}

.btn-ai:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* AI Processing State */
.ai-processing {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.ai-processing.hidden {
    display: none;
}

.ai-processing-content {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ai-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--success);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.ai-processing-text strong {
    display: block;
    font-size: 14px;
    margin-bottom: 4px;
}

.ai-processing-text p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

/* =============================================
   EDITOR CONTENT
   ============================================= */

.editor-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.editor-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--bg-tertiary);
}

.editor-tab {
    padding: 16px 24px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    border-bottom: 2px solid transparent;
}

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

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

.editor-tab-content {
    display: none;
    padding: 24px;
    min-height: 500px;
}

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

/* =============================================
   BLOCKS TOOLBAR
   ============================================= */

.blocks-toolbar, .questions-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    align-items: center;
}

.toolbar-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-right: 8px;
}

.block-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.block-btn:hover {
    border-color: var(--blue-primary);
    background: rgba(37, 99, 235, 0.1);
}

/* Draggable buttons */
.block-btn[draggable="true"] {
    cursor: grab;
    user-select: none;
}

.block-btn[draggable="true"]:active {
    cursor: grabbing;
}

.block-btn.dragging-source {
    opacity: 0.5;
    border-color: var(--blue-primary);
    background: rgba(37, 99, 235, 0.2);
    transform: scale(0.95);
}

/* =============================================
   BLOCKS CONTAINER
   ============================================= */

.blocks-container, .questions-container {
    min-height: 300px;
    border: 2px dashed transparent;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    padding: 8px;
}

/* Drag active state - when dragging from toolbar */
.blocks-container.drag-active,
.questions-container.drag-active {
    border-color: var(--blue-primary);
    background: rgba(37, 99, 235, 0.05);
}

/* Drag over state - when hovering over container */
.blocks-container.drag-over,
.questions-container.drag-over {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.08);
}

/* Drop indicator line */
.drop-indicator {
    height: 4px;
    background: linear-gradient(90deg, var(--success), var(--blue-primary));
    border-radius: 2px;
    margin: 8px 0;
    animation: dropPulse 0.8s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

@keyframes dropPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.7; transform: scaleY(1.5); }
}

/* Block just added animation */
.block-just-added,
.question-block.block-just-added {
    animation: blockAdded 0.5s ease-out;
}

@keyframes blockAdded {
    0% {
        opacity: 0;
        transform: translateY(-10px);
        background: rgba(16, 185, 129, 0.2);
    }
    50% {
        background: rgba(16, 185, 129, 0.1);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        background: var(--bg-tertiary);
    }
}

.empty-blocks-message, .empty-questions-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: var(--text-muted);
    text-align: center;
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    margin: 8px;
    transition: all 0.2s ease;
}

.drag-active .empty-blocks-message,
.drag-active .empty-questions-message {
    border-color: var(--blue-primary);
    background: rgba(37, 99, 235, 0.05);
}

.drag-over .empty-blocks-message,
.drag-over .empty-questions-message {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.drop-zone-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.drag-active .drop-zone-icon,
.drag-over .drop-zone-icon {
    opacity: 1;
    animation: bounce 0.6s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.empty-blocks-message .hint, .empty-questions-message .hint {
    font-size: 13px;
    margin-top: 8px;
}

/* =============================================
   CONTENT BLOCKS
   ============================================= */

.content-block {
    position: relative;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    transition: all var(--transition-base);
}

.content-block:hover {
    border-color: var(--gray-500);
}

.content-block.dragging {
    opacity: 0.5;
    border-color: var(--blue-primary);
}

.block-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border);
    cursor: grab;
}

.block-header:active {
    cursor: grabbing;
}

.block-drag-handle {
    color: var(--text-muted);
    margin-right: 12px;
}

.block-type {
    font-size: 13px;
    font-weight: 500;
    flex: 1;
}

.block-actions {
    display: flex;
    gap: 4px;
}

.block-action {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

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

.block-action.delete:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.block-content {
    padding: 16px;
}

/* Block specific styles */
.block-content input,
.block-content textarea,
.block-content select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
}

.block-content textarea {
    min-height: 100px;
    font-family: inherit;
    resize: vertical;
}

.block-content textarea.code-input {
    font-family: 'JetBrains Mono', monospace;
    min-height: 150px;
}

.block-options {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

.block-options select {
    width: auto;
}

/* =============================================
   QUESTION BLOCKS
   ============================================= */

.question-block {
    position: relative;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.question-block:hover {
    border-color: var(--gray-500);
}

.question-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border);
    cursor: grab;
}

.question-number {
    background: var(--blue-primary);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    margin-right: 12px;
}

.question-type-badge {
    background: var(--bg-secondary);
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 11px;
    color: var(--text-secondary);
}

.question-points {
    margin-left: auto;
    margin-right: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--warning);
}

.question-content {
    padding: 16px;
}

.question-content .form-group {
    margin-bottom: 16px;
}

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

/* QCM Options Editor */
.qcm-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.qcm-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.qcm-option input[type="radio"],
.qcm-option input[type="checkbox"] {
    width: auto;
}

.qcm-option input[type="text"] {
    flex: 1;
}

.qcm-option .btn-remove {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--danger);
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.qcm-option .btn-remove:hover {
    background: rgba(239, 68, 68, 0.2);
}

.btn-add-option {
    width: 100%;
    padding: 10px;
    margin-top: 8px;
    background: transparent;
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-add-option:hover {
    border-color: var(--blue-primary);
    color: var(--blue-primary);
}

.questions-summary {
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    text-align: right;
    margin-top: 20px;
}

/* =============================================
   PREVIEW
   ============================================= */

.preview-container {
    max-width: 800px;
    margin: 0 auto;
}

.preview-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.preview-header h2 {
    font-size: 28px;
    margin-bottom: 16px;
}

.preview-meta {
    display: flex;
    gap: 8px;
}

/* =============================================
   MODALS
   ============================================= */

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

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    animation: fadeInUp var(--transition-base);
}

.modal-content.modal-large {
    max-width: 700px;
}

.modal-content h2 {
    margin-bottom: 24px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

/* =============================================
   BUTTONS ADDITIONAL
   ============================================= */

.btn-full {
    width: 100%;
}

.btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: var(--gray-400);
}

/* =============================================
   MODAL IMPROVEMENTS
   ============================================= */

.modal {
    background: rgba(0, 0, 0, 0.7);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    margin: 0;
    font-size: 18px;
}

.modal-body {
    margin-bottom: 20px;
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.btn-close {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.btn-close:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

/* =============================================
   BADGES
   ============================================= */

.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 20px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.badge.success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.badge.warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.badge.danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.badge.info {
    background: rgba(37, 99, 235, 0.2);
    color: var(--blue-primary);
}

/* =============================================
   THEME EXERCISES VIEW
   ============================================= */

.theme-exercises-view {
    animation: fadeInUp 0.3s ease;
}

.theme-header {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.theme-header h2 {
    margin: 16px 0 0;
    font-size: 24px;
}

.theme-header p {
    margin: 0;
}

.exercise-row:hover {
    background: var(--bg-secondary) !important;
}

.themes-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.theme-admin-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Alert boxes */
.alert {
    padding: 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
}

.alert-info {
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.3);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.alert p {
    margin: 0;
}

.alert code {
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
}

.editor-actions {
    display: flex;
    gap: 12px;
}

/* =============================================
   STATUS BADGES
   ============================================= */

.status-badge {
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
}

.status-badge.published {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.status-badge.draft {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

/* =============================================
   ACTIVITY LOG
   ============================================= */

.activity-log-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.activity-log-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

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

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

.activity-avatar {
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.activity-details {
    flex: 1;
}

.activity-user {
    font-weight: 600;
    font-size: 14px;
}

.activity-action {
    color: var(--text-secondary);
    font-size: 13px;
}

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

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

@media (max-width: 1200px) {
    .editor-container {
        grid-template-columns: 1fr;
    }

    .editor-settings {
        position: static;
    }
}

@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

    .admin-content {
        margin-left: 0;
        padding: 20px;
    }

    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .filters-bar {
        flex-direction: column;
    }

    .dashboard-sections {
        grid-template-columns: 1fr;
    }
}