/**
 * Frontend Course Builder Styles
 * Native course builder that mimics LearnDash admin interface
 */

/* === Main Wrapper === */
.ubitto-fb-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    min-height: 100vh;
    background: #f0f2f5;
}

/* === Top Navigation === */
.ubitto-fb-top-nav {
    background: white;
    padding: 16px 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    margin-bottom: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ubitto-fb-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #555;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.ubitto-fb-back-link:hover {
    color: #f26522;
}

.ubitto-fb-save-indicator {
    font-size: 13px;
    color: #888;
}

.ubitto-fb-save-indicator.saving {
    color: #f26522;
}

.ubitto-fb-save-indicator.saved {
    color: #4caf50;
}

/* === Header === */
.ubitto-fb-header {
    background: white;
    padding: 24px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.ubitto-fb-header-left h1 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 4px 0;
}

.ubitto-fb-header-left p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

.ubitto-fb-header-actions {
    display: flex;
    gap: 12px;
}

/* === Buttons === */
.ubitto-fb-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
}

.ubitto-fb-btn-primary {
    background: #f26522;
    color: white;
}

.ubitto-fb-btn-primary:hover {
    background: #e55a18;
    color: white;
}

.ubitto-fb-btn-secondary {
    background: white;
    color: #555;
    border: 1px solid #ddd;
}

.ubitto-fb-btn-secondary:hover {
    background: #f5f5f5;
    border-color: #ccc;
    color: #333;
}

.ubitto-fb-btn-small {
    padding: 8px 14px;
    font-size: 13px;
}

.ubitto-fb-btn-icon {
    padding: 8px;
    background: transparent;
    border: none;
    color: #666;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.ubitto-fb-btn-icon:hover {
    background: #f0f0f0;
    color: #333;
}

.ubitto-fb-btn-icon.delete:hover {
    background: #fee;
    color: #e74c3c;
}

/* === Builder Content === */
.ubitto-fb-content {
    padding: 24px;
}

/* === Toolbar === */
.ubitto-fb-toolbar {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

/* === Course Tree === */
.ubitto-fb-course-tree {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    min-height: 400px;
}

.ubitto-fb-empty-state {
    text-align: center;
    padding: 60px 40px;
    color: #888;
}

.ubitto-fb-empty-state svg {
    width: 64px;
    height: 64px;
    color: #ddd;
    margin-bottom: 16px;
}

.ubitto-fb-empty-state h3 {
    font-size: 18px;
    font-weight: 600;
    color: #555;
    margin: 0 0 8px 0;
}

.ubitto-fb-empty-state p {
    font-size: 14px;
    color: #888;
    margin: 0 0 24px 0;
}

/* === Section Styles === */
.ubitto-fb-section {
    border-bottom: 1px solid #eee;
}

.ubitto-fb-section:last-child {
    border-bottom: none;
}

.ubitto-fb-section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: #f8f9fa;
    cursor: pointer;
    transition: background 0.2s;
}

.ubitto-fb-section-header:hover {
    background: #f0f2f5;
}

.ubitto-fb-section.collapsed .ubitto-fb-section-content {
    display: none;
}

.ubitto-fb-drag-handle {
    color: #bbb;
    cursor: grab;
    padding: 4px;
    font-size: 16px;
}

.ubitto-fb-drag-handle:active {
    cursor: grabbing;
}

.ubitto-fb-section-icon {
    color: #f26522;
}

.ubitto-fb-section-title {
    flex: 1;
    font-size: 15px;
    font-weight: 600;
    color: #333;
    border: none;
    background: transparent;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.ubitto-fb-section-title:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 2px rgba(242, 101, 34, 0.2);
}

.ubitto-fb-section-toggle {
    color: #888;
    transition: transform 0.2s;
}

.ubitto-fb-section.collapsed .ubitto-fb-section-toggle {
    transform: rotate(-90deg);
}

.ubitto-fb-section-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s;
}

.ubitto-fb-section-header:hover .ubitto-fb-section-actions {
    opacity: 1;
}

.ubitto-fb-section-content {
    padding: 8px 20px 20px 48px;
}

/* === Lesson Styles === */
.ubitto-fb-lessons-list {
    min-height: 40px;
}

.ubitto-fb-lesson {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 8px;
    transition: all 0.2s;
}

.ubitto-fb-lesson:hover {
    border-color: #f26522;
    box-shadow: 0 2px 8px rgba(242, 101, 34, 0.1);
}

.ubitto-fb-lesson.dragging {
    opacity: 0.5;
    background: #fff5f0;
}

.ubitto-fb-lesson-icon {
    color: #888;
    flex-shrink: 0;
}

.ubitto-fb-lesson-title {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    border: none;
    background: transparent;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.ubitto-fb-lesson-title:focus {
    outline: none;
    background: #f8f9fa;
    box-shadow: 0 0 0 2px rgba(242, 101, 34, 0.2);
}

.ubitto-fb-lesson-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s;
}

.ubitto-fb-lesson:hover .ubitto-fb-lesson-actions {
    opacity: 1;
}

/* === Add Button (Inline) === */
.ubitto-fb-add-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border: 2px dashed #ddd;
    border-radius: 8px;
    color: #888;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    background: transparent;
    width: 100%;
    margin-top: 8px;
}

.ubitto-fb-add-item:hover {
    border-color: #f26522;
    color: #f26522;
    background: #fff5f0;
}

/* === Sortable Placeholder === */
.ubitto-fb-sortable-placeholder {
    border: 2px dashed #f26522;
    border-radius: 8px;
    background: #fff5f0;
    margin-bottom: 8px;
}

.ubitto-fb-section-placeholder {
    min-height: 60px;
}

.ubitto-fb-lesson-placeholder {
    min-height: 48px;
}

/* === Modals === */
.ubitto-fb-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000001;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

.ubitto-fb-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.ubitto-fb-modal {
    background: white;
    border-radius: 12px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.95);
    transition: transform 0.2s;
}

.ubitto-fb-modal-overlay.active .ubitto-fb-modal {
    transform: scale(1);
}

.ubitto-fb-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #eee;
}

.ubitto-fb-modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
}

.ubitto-fb-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #888;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: color 0.2s;
}

.ubitto-fb-modal-close:hover {
    color: #333;
}

.ubitto-fb-modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.ubitto-fb-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid #eee;
    background: #f8f9fa;
}

/* === Form Elements === */
.ubitto-fb-form-group {
    margin-bottom: 20px;
}

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

.ubitto-fb-form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.ubitto-fb-form-group input[type="text"],
.ubitto-fb-form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
    font-family: inherit;
}

.ubitto-fb-form-group input[type="text"]:focus,
.ubitto-fb-form-group textarea:focus {
    outline: none;
    border-color: #f26522;
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.1);
}

.ubitto-fb-form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.ubitto-fb-form-help {
    font-size: 12px;
    color: #888;
    margin-top: 6px;
}

/* === Notifications === */
.ubitto-fb-notification {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 100001;
    font-size: 14px;
    font-weight: 500;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
}

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

.ubitto-fb-notification.success {
    background: #4caf50;
    color: white;
}

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

.ubitto-fb-notification.info {
    background: #2196f3;
    color: white;
}

/* === Loading Overlay === */
.ubitto-fb-loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100002;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

.ubitto-fb-loading.show {
    opacity: 1;
    visibility: visible;
}

.ubitto-fb-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #f0f0f0;
    border-top-color: #f26522;
    border-radius: 50%;
    animation: ubitto-fb-spin 0.8s linear infinite;
}

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

/* === Unsaved Changes Warning === */
.ubitto-fb-unsaved-warning {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff3cd;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 99999;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.ubitto-fb-unsaved-warning.show {
    transform: translateY(0);
}

.ubitto-fb-unsaved-warning span {
    font-size: 14px;
    color: #856404;
}

/* === Responsive === */
@media (max-width: 768px) {
    .ubitto-fb-wrapper {
        padding: 0;
    }

    .ubitto-fb-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .ubitto-fb-header-actions {
        width: 100%;
    }

    .ubitto-fb-header-actions .ubitto-fb-btn {
        flex: 1;
        justify-content: center;
    }

    .ubitto-fb-content {
        padding: 16px;
    }

    .ubitto-fb-toolbar {
        flex-direction: column;
    }

    .ubitto-fb-toolbar .ubitto-fb-btn {
        width: 100%;
        justify-content: center;
    }

    .ubitto-fb-section-content {
        padding-left: 20px;
    }

    .ubitto-fb-modal {
        margin: 0;
        max-height: 100vh;
        border-radius: 0;
    }

    .ubitto-fb-section-actions,
    .ubitto-fb-lesson-actions {
        opacity: 1;
    }
}
/* === Quiz Item Styles === */
.ubitto-fb-quiz {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #fffbf5;
    border: 1px solid #f5d9b3;
    border-radius: 8px;
    margin-bottom: 8px;
    transition: all 0.2s;
}

.ubitto-fb-quiz:hover {
    border-color: #f26522;
    box-shadow: 0 2px 8px rgba(242, 101, 34, 0.15);
}

.ubitto-fb-quiz-nested {
    margin-left: 28px;
}

.ubitto-fb-quiz-icon {
    color: #f26522;
    flex-shrink: 0;
}

.ubitto-fb-quiz-title {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    border: none;
    background: transparent;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.ubitto-fb-quiz-title:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 2px rgba(242, 101, 34, 0.2);
}

.ubitto-fb-quiz-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    background: #fff0e0;
    color: #d35400;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.ubitto-fb-quiz-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s;
}

.ubitto-fb-quiz:hover .ubitto-fb-quiz-actions {
    opacity: 1;
}

.ubitto-fb-lesson-quiz-btn {
    padding: 4px;
    background: transparent;
    border: none;
    color: #bbb;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
}

.ubitto-fb-lesson-quiz-btn:hover {
    color: #f26522;
    background: #fff5f0;
}

/* === Quiz Modal (Wide) === */
.ubitto-fb-modal-overlay.quiz-modal .ubitto-fb-modal {
    max-width: 800px;
}

.ubitto-fb-quiz-settings-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.ubitto-fb-quiz-settings-grid .ubitto-fb-form-group {
    margin-bottom: 0;
}

.ubitto-fb-quiz-settings-grid input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
    font-family: inherit;
}

.ubitto-fb-quiz-settings-grid input[type="number"]:focus {
    outline: none;
    border-color: #f26522;
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.1);
}

.ubitto-fb-quiz-settings-grid label.ubitto-fb-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    cursor: pointer;
    padding-top: 28px;
}

.ubitto-fb-quiz-settings-grid label.ubitto-fb-checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #f26522;
}

/* === Question Section === */
.ubitto-fb-questions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}

.ubitto-fb-questions-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

/* === Question Cards === */
.ubitto-fb-question-card {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 12px;
    background: white;
    overflow: hidden;
    transition: border-color 0.2s;
}

.ubitto-fb-question-card:hover {
    border-color: #ccc;
}

.ubitto-fb-question-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #f8f9fa;
    cursor: pointer;
    transition: background 0.2s;
}

.ubitto-fb-question-card-header:hover {
    background: #f0f2f5;
}

.ubitto-fb-question-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: #f26522;
    color: white;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.ubitto-fb-question-card-header .ubitto-fb-drag-handle {
    flex-shrink: 0;
}

.ubitto-fb-question-title-input {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    border: none;
    background: transparent;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.ubitto-fb-question-title-input:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 2px rgba(242, 101, 34, 0.2);
}

.ubitto-fb-question-type-label {
    font-size: 11px;
    color: #888;
    background: #eee;
    padding: 2px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

.ubitto-fb-question-toggle {
    color: #888;
    transition: transform 0.2s;
    flex-shrink: 0;
}

.ubitto-fb-question-card.collapsed .ubitto-fb-question-toggle {
    transform: rotate(-90deg);
}

.ubitto-fb-question-remove {
    padding: 4px;
    background: transparent;
    border: none;
    color: #ccc;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.ubitto-fb-question-remove:hover {
    color: #e74c3c;
    background: #fee;
}

/* === Question Card Body === */
.ubitto-fb-question-card-body {
    padding: 16px;
    border-top: 1px solid #eee;
}

.ubitto-fb-question-card.collapsed .ubitto-fb-question-card-body {
    display: none;
}

.ubitto-fb-question-type-row {
    margin-bottom: 16px;
}

.ubitto-fb-question-type-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    background: white;
    transition: all 0.2s;
}

.ubitto-fb-question-type-select:focus {
    outline: none;
    border-color: #f26522;
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.1);
}

/* === Answer Rows === */
.ubitto-fb-answers-container {
    margin-top: 12px;
}

.ubitto-fb-answer-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.ubitto-fb-answer-row input[type="text"] {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 13px;
    transition: all 0.2s;
}

.ubitto-fb-answer-row input[type="text"]:focus {
    outline: none;
    border-color: #f26522;
    box-shadow: 0 0 0 2px rgba(242, 101, 34, 0.1);
}

.ubitto-fb-answer-row input[type="radio"],
.ubitto-fb-answer-row input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #f26522;
    flex-shrink: 0;
}

.ubitto-fb-answer-row .remove-answer {
    padding: 4px 8px;
    background: transparent;
    border: none;
    color: #ccc;
    cursor: pointer;
    border-radius: 4px;
    font-size: 16px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.ubitto-fb-answer-row .remove-answer:hover {
    color: #e74c3c;
    background: #fee;
}

.add-answer-option {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: transparent;
    border: 1px dashed #ddd;
    border-radius: 6px;
    color: #888;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 4px;
}

.add-answer-option:hover {
    border-color: #f26522;
    color: #f26522;
    background: #fff5f0;
}

/* Matrix Match specific */
.ubitto-fb-matrix-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.ubitto-fb-matrix-row input[type="text"] {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 13px;
    transition: all 0.2s;
}

.ubitto-fb-matrix-row input[type="text"]:focus {
    outline: none;
    border-color: #f26522;
    box-shadow: 0 0 0 2px rgba(242, 101, 34, 0.1);
}

.ubitto-fb-matrix-arrow {
    color: #bbb;
    font-size: 18px;
    flex-shrink: 0;
}

.ubitto-fb-matrix-row .remove-answer {
    padding: 4px 8px;
    background: transparent;
    border: none;
    color: #ccc;
    cursor: pointer;
    border-radius: 4px;
    font-size: 16px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.ubitto-fb-matrix-row .remove-answer:hover {
    color: #e74c3c;
    background: #fee;
}

/* Sort order specific */
.ubitto-fb-sort-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.ubitto-fb-sort-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: #f0f2f5;
    color: #666;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.ubitto-fb-sort-row input[type="text"] {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 13px;
    transition: all 0.2s;
}

.ubitto-fb-sort-row input[type="text"]:focus {
    outline: none;
    border-color: #f26522;
    box-shadow: 0 0 0 2px rgba(242, 101, 34, 0.1);
}

.ubitto-fb-sort-row .remove-answer {
    padding: 4px 8px;
    background: transparent;
    border: none;
    color: #ccc;
    cursor: pointer;
    border-radius: 4px;
    font-size: 16px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.ubitto-fb-sort-row .remove-answer:hover {
    color: #e74c3c;
    background: #fee;
}

/* Cloze / Fill in Blank */
.ubitto-fb-cloze-textarea {
    width: 100%;
    min-height: 80px;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    transition: all 0.2s;
}

.ubitto-fb-cloze-textarea:focus {
    outline: none;
    border-color: #f26522;
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.1);
}

.ubitto-fb-cloze-help {
    font-size: 12px;
    color: #888;
    margin-top: 6px;
}

/* Essay info */
.ubitto-fb-essay-info {
    padding: 16px;
    background: #f8f9fa;
    border-radius: 8px;
    color: #666;
    font-size: 14px;
    text-align: center;
}

/* Free answer */
.ubitto-fb-free-answer-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
}

.ubitto-fb-free-answer-input:focus {
    outline: none;
    border-color: #f26522;
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.1);
}

/* Add Quiz inline button */
.ubitto-fb-add-item.add-quiz {
    border-color: #f5d9b3;
    color: #d35400;
}

.ubitto-fb-add-item.add-quiz:hover {
    border-color: #f26522;
    color: #f26522;
    background: #fffbf5;
}

/* Quiz responsive */
@media (max-width: 768px) {
    .ubitto-fb-quiz-settings-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ubitto-fb-quiz-actions {
        opacity: 1;
    }

    .ubitto-fb-quiz-nested {
        margin-left: 16px;
    }
}

/* Course Builder Modal Styles */
.ubitto-modal-open {
    overflow: hidden;
}

.ubitto-course-builder-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000002;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.ubitto-course-builder-modal {
    background: #fff;
    border-radius: 12px;
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: slideUp 0.3s ease;
}

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

.ubitto-course-builder-modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid #e5e7eb;
    position: relative;
}

.ubitto-course-builder-modal-header h2 {
    margin: 0 0 5px 0;
    font-size: 1.5rem;
    color: #1f2937;
}

.ubitto-course-builder-modal-header p {
    margin: 0;
    color: #6b7280;
    font-size: 0.9rem;
}

.ubitto-course-builder-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    border: none;
    background: #f3f4f6;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6b7280;
    transition: all 0.2s;
}

.ubitto-course-builder-modal-close:hover {
    background: #e5e7eb;
    color: #1f2937;
}

.ubitto-course-builder-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
    min-height: 400px;
    max-height: calc(90vh - 180px);
}

.ubitto-course-builder-modal-body .ubitto-fb-wrapper {
    padding: 20px;
}

.ubitto-course-builder-modal-body .ubitto-fb-content {
    background: #f9fafb;
    border-radius: 8px;
    padding: 16px;
}

.ubitto-course-builder-modal-footer {
    padding: 16px 24px;
    border-top: 1px solid #e5e7eb;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background: #f9fafb;
    border-radius: 0 0 12px 12px;
}

.ubitto-course-builder-modal-footer .ubitto-fb-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.95rem;
}

#done-building-btn {
    background: #059669;
    color: white;
}

#done-building-btn:hover {
    background: #047857;
}

/* Temporary notification */
.ubitto-pc-temp-notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    z-index: 1000000;
    transition: transform 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.ubitto-pc-temp-notification.show {
    transform: translateX(-50%) translateY(0);
}

.ubitto-pc-temp-notification.success {
    background: #059669;
    color: white;
}

.ubitto-pc-temp-notification.error {
    background: #dc2626;
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .ubitto-course-builder-modal-overlay {
        padding: 10px;
    }
    
    .ubitto-course-builder-modal {
        max-height: 95vh;
        border-radius: 8px;
    }
    
    .ubitto-course-builder-modal-header {
        padding: 15px;
    }
    
    .ubitto-course-builder-modal-header h2 {
        font-size: 1.2rem;
        padding-right: 30px;
    }
    
    .ubitto-course-builder-modal-footer {
        flex-direction: column;
        gap: 8px;
    }
    
    .ubitto-course-builder-modal-footer .ubitto-fb-btn {
        width: 100%;
        justify-content: center;
    }
}

/* === Table Grid Selector Popover === */
.ub-table-grid-popover {
    position: absolute;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18), 0 2px 8px rgba(0, 0, 0, 0.08);
    padding: 16px;
    min-width: 200px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.ub-table-grid-title-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.ub-table-grid-title {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a1a;
}

.ub-table-grid-close {
    font-size: 18px;
    padding: 4px 8px;
    background-color: unset;
    border: 1px solid #dcdfe6;
    color: #7f8fa4;
    cursor: pointer;
    line-height: 1.1;
}

.ub-table-grid-close:hover {
    color: #1a84ee !important;
    border-color: #1a84ee !important;
    background-color: #ecf5ff !important;
}

.ub-table-grid-wrap {
    display: inline-grid;
    gap: 2px;
    margin-bottom: 10px;
}

.ub-table-grid-cell {
    width: 28px;
    height: 28px;
    border: 1px solid #e2e8f0;
    border-radius: 3px;
    background: #fff;
    cursor: pointer;
    transition: background 0.08s, border-color 0.08s;
}

.ub-table-grid-cell:hover {
    border-color: #cbd5e1;
}

.ub-table-grid-cell.ub-grid-cell-active {
    background: #dbeafe;
    border-color: #93c5fd;
}

.ub-table-grid-label {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 10px;
    min-height: 20px;
}

.ub-table-grid-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #475569;
    cursor: pointer;
    margin-bottom: 8px;
}

.ub-table-grid-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #f26522;
}

.ub-table-grid-more {
    display: inline-block;
    font-size: 13px;
    color: #f26522;
    text-decoration: none;
    cursor: pointer;
}

.ub-table-grid-more:hover {
    text-decoration: underline;
    color: #e55a18;
}

/* Fallback number-input dialog */
.ub-table-grid-fallback-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.ub-table-grid-fallback-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    min-width: 320px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.ub-table-grid-fallback-dialog h4 {
    margin: 0 0 16px;
    font-size: 16px;
    color: #1a1a1a;
}

.ub-table-grid-fallback-fields {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.ub-table-grid-fallback-field {
    flex: 1;
}

.ub-table-grid-fallback-field label {
    display: block;
    font-size: 13px;
    color: #64748b;
    margin-bottom: 6px;
}

.ub-table-grid-fallback-field input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
}

.ub-table-grid-fallback-field input[type="number"]:focus {
    outline: none;
    border-color: #f26522;
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.1);
}

.ub-table-grid-fallback-dialog .ub-table-grid-checkbox {
    margin-bottom: 16px;
}

.ub-table-grid-fallback-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.ub-table-grid-fallback-actions button {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.ub-table-grid-fallback-actions .ub-tg-cancel {
    background: #fff;
    color: #555;
    border: 1px solid #ddd;
}

.ub-table-grid-fallback-actions .ub-tg-cancel:hover {
    background: #f5f5f5;
    border-color: #ccc;
}

.ub-table-grid-fallback-actions .ub-tg-insert {
    background: #f26522;
    color: #fff;
}

.ub-table-grid-fallback-actions .ub-tg-insert:hover {
    background: #e55a18;
}

/* Delete Table button emoji icon in TinyMCE toolbar */
.mce-btn[aria-label="Delete the current table"] img.emoji {
    width: 11px;
    height: 11px;
}