/* Interactive Components Styles */
/* Engaging, non-gamified learning interactions */

/* ============================================
   1. FILL-IN-THE-BLANK EXERCISES
   ============================================ */

.fill-blank-container {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    padding: 24px;
    border-radius: 12px;
    margin: 24px 0;
    border: 2px dashed var(--primary-orange);
}

.fill-blank-container h4 {
    color: var(--text-primary);
    margin-top: 0;
    margin-bottom: 16px;
    font-size: 18px;
}

.fill-blank-sentence {
    font-size: 16px;
    line-height: 2.2;
    color: var(--text-secondary);
    margin: 16px 0;
}

.blank-input {
    display: inline-block;
    min-width: 120px;
    padding: 4px 12px;
    margin: 0 4px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s;
}

.blank-input:focus {
    outline: none;
    border-color: var(--primary-orange);
    background: var(--bg-secondary);
}

.blank-input.correct {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    font-weight: 600;
}

.blank-input.incorrect {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.blanks-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.check-blanks-btn,
.reset-blanks-btn,
.hint-blanks-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.check-blanks-btn {
    background: var(--primary-orange);
    color: #000000;
}

.check-blanks-btn:hover {
    background: var(--primary-orange-hover);
    transform: translateY(-1px);
}

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

.reset-blanks-btn:hover {
    background: var(--bg-secondary);
}

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

.hint-blanks-btn:hover {
    background: var(--bg-secondary);
    color: var(--primary-orange);
}

.blanks-feedback {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    display: none;
}

.blanks-feedback.correct {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid #10b981;
    color: #10b981;
}

.blanks-feedback.incorrect {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
}

.blanks-hint {
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-left: 3px solid var(--primary-orange);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-secondary);
    display: none;
}

/* Word Bank for Fill-in-Blanks */
.word-bank {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.word-bank-label {
    width: 100%;
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 600;
    margin-bottom: 4px;
}

.word-bank-item {
    padding: 6px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.word-bank-item:hover {
    background: var(--primary-orange);
    color: #000000;
    transform: translateY(-2px);
}

.word-bank-item.used {
    opacity: 0.5;
    text-decoration: line-through;
}

/* ============================================
   2. DRAG-AND-DROP MATCHING
   ============================================ */

.drag-drop-container {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    padding: 24px;
    border-radius: 12px;
    margin: 24px 0;
    border: 1px solid var(--border-color);
}

.drag-drop-container h4 {
    color: var(--text-primary);
    margin-top: 0;
    margin-bottom: 16px;
}

.drag-drop-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 20px 0;
}

.draggable-items {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: 8px;
    min-height: 200px;
    border: 2px dashed var(--border-color);
}

.draggable-items h5 {
    color: var(--text-primary);
    margin: 0 0 12px 0;
    font-size: 14px;
}

.draggable-item {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    margin-bottom: 8px;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    cursor: move;
    user-select: none;
    transition: all 0.2s;
    font-size: 14px;
}

.draggable-item:hover {
    background: var(--bg-primary);
    border-color: var(--primary-orange);
    transform: scale(1.02);
}

.draggable-item.dragging {
    opacity: 0.5;
    transform: rotate(3deg);
}

.draggable-item.matched-correct {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.draggable-item.matched-incorrect {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.drop-zones {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.drop-zones h5 {
    color: var(--text-primary);
    margin: 0 0 12px 0;
    font-size: 14px;
}

.drop-zone {
    background: var(--bg-secondary);
    padding: 12px;
    border-radius: 8px;
    border: 1px dashed var(--border-color);
    min-height: 50px;
    position: relative;
    transition: all 0.2s;
}

.drop-zone-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    /* Reduced margin */
    font-weight: 600;
    pointer-events: none;
    /* Let clicks pass through to dropped items if needed */
}

.drop-zone-hint {
    font-size: 11px;
    /* Smaller hint */
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* Hide hint when an item is dropped */
.drop-zone:has(.draggable-item) .drop-zone-hint {
    display: none;
}

.drop-zone.drag-over {
    background: var(--bg-tertiary);
    border-color: var(--primary-orange);
    border-style: solid;
}

.drop-zone.correct {
    border-color: #10b981;
    border-style: solid;
    background: rgba(16, 185, 129, 0.05);
}

.drop-zone.incorrect {
    border-color: #ef4444;
    border-style: solid;
    background: rgba(239, 68, 68, 0.05);
}

/* Compact style for items when they are inside a drop zone */
.drop-zone .draggable-item {
    margin: 4px 0 0 0;
    padding: 6px 12px;
    font-size: 13px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    animation: popIn 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
    from {
        transform: scale(0.95);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.drag-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.check-matches-btn,
.reset-matches-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.check-matches-btn {
    background: var(--primary-orange);
    color: #000000;
}

.check-matches-btn:hover {
    background: var(--primary-orange-hover);
    transform: translateY(-1px);
}

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

.reset-matches-btn:hover {
    background: var(--bg-secondary);
}

.drag-feedback {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    display: none;
}

.drag-feedback.correct {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid #10b981;
    color: #10b981;
}

.drag-feedback.incorrect {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
}

/* Mobile/Touch adjustments */
@media (max-width: 768px) {
    .drag-drop-layout {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   3. TOGGLE REVEALS
   ============================================ */

.toggle-reveal {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 16px 0;
    overflow: hidden;
    transition: all 0.3s;
}

.toggle-reveal:hover {
    border-color: var(--primary-orange);
}

.toggle-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    cursor: pointer;
    user-select: none;
    background: var(--bg-secondary);
    transition: all 0.2s;
}

.toggle-trigger:hover {
    background: var(--bg-tertiary);
}

.toggle-trigger-text {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 15px;
}

.toggle-icon {
    color: var(--primary-orange);
    font-size: 14px;
    transition: transform 0.3s;
}

.toggle-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.toggle-content-inner {
    padding: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

.toggle-reveal.open .toggle-trigger {
    background: var(--bg-tertiary);
}

/* ============================================
   4. INTERACTIVE SLIDERS
   ============================================ */

.interactive-slider-container {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    padding: 24px;
    border-radius: 12px;
    margin: 24px 0;
    border: 1px solid var(--border-color);
}

.interactive-slider-container h4 {
    color: var(--text-primary);
    margin-top: 0;
    margin-bottom: 16px;
}

.slider-wrapper {
    margin: 20px 0;
}

.slider-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.slider-label span {
    color: var(--text-secondary);
    font-size: 14px;
}

.slider-value {
    color: var(--primary-orange);
    font-weight: 700;
    font-size: 18px;
}

.interactive-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--bg-tertiary);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.interactive-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-orange);
    cursor: pointer;
    transition: all 0.2s;
}

.interactive-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-orange);
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.interactive-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(255, 107, 0, 0.5);
}

.interactive-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(255, 107, 0, 0.5);
}

.slider-output {
    margin-top: 20px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 3px solid var(--primary-orange);
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    min-height: 60px;
}

/* ============================================
   5. SORTABLE CARD ACTIVITIES
   ============================================ */

.sortable-container {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    padding: 24px;
    border-radius: 12px;
    margin: 24px 0;
    border: 1px solid var(--border-color);
}

.sortable-container h4 {
    color: var(--text-primary);
    margin-top: 0;
    margin-bottom: 16px;
}

.sortable-instruction {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
    font-style: italic;
}

.sortable-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 20px 0;
}

.sortable-card {
    background: var(--bg-secondary);
    padding: 16px 20px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    cursor: move;
    user-select: none;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sortable-card::before {
    content: '☰';
    color: var(--text-tertiary);
    font-size: 18px;
}

.sortable-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-orange);
    transform: translateX(4px);
}

.sortable-card.dragging {
    opacity: 0.5;
    transform: scale(0.98);
}

.sortable-card.correct {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.sortable-card.incorrect {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.sort-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.check-order-btn,
.reset-order-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.check-order-btn {
    background: var(--primary-orange);
    color: #000000;
}

.check-order-btn:hover {
    background: var(--primary-orange-hover);
    transform: translateY(-1px);
}

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

.reset-order-btn:hover {
    background: var(--bg-secondary);
}

.sort-feedback {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    display: none;
}

.sort-feedback.correct {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid #10b981;
    color: #10b981;
}

.sort-feedback.incorrect {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
}

/* ============================================
   6. TRUE/FALSE QUICK CHECKS
   ============================================ */

.true-false-container {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    padding: 24px;
    border-radius: 12px;
    margin: 24px 0;
    border: 1px solid var(--border-color);
}

.true-false-container h4 {
    color: var(--text-primary);
    margin-top: 0;
    margin-bottom: 20px;
}

.tf-question {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 16px;
    border-left: 4px solid var(--border-color);
    transition: all 0.3s;
}

.tf-question:last-child {
    margin-bottom: 0;
}

.tf-question.correct {
    border-left-color: #10b981;
}

.tf-question.incorrect {
    border-left-color: #ef4444;
}

.tf-statement {
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 16px;
    line-height: 1.6;
}

.tf-buttons {
    display: flex;
    gap: 12px;
}

.tf-true,
.tf-false {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.tf-true:hover,
.tf-false:hover {
    background: var(--bg-primary);
    border-color: var(--primary-orange);
    transform: translateY(-2px);
}

.tf-true.selected.correct,
.tf-false.selected.correct {
    background: rgba(16, 185, 129, 0.2);
    border-color: #10b981;
    color: #10b981;
}

.tf-true.selected.incorrect,
.tf-false.selected.incorrect {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
    color: #ef4444;
}

.tf-feedback {
    margin-top: 12px;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 13px;
    display: none;
}

.tf-feedback.correct {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid #10b981;
    color: #10b981;
}

.tf-feedback.incorrect {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
}

/* ============================================
   7. INTERACTIVE COMPARISONS
   ============================================ */

.interactive-comparison {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    padding: 24px;
    border-radius: 12px;
    margin: 24px 0;
    border: 1px solid var(--border-color);
}

.comparison-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.comparison-tab {
    padding: 12px 24px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

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

.comparison-tab.active {
    color: var(--primary-orange);
    border-bottom-color: var(--primary-orange);
}

.comparison-panel {
    display: none;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.comparison-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   8. RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
    .fill-blank-sentence {
        line-height: 2.5;
    }

    .blank-input {
        display: block;
        width: 100%;
        margin: 8px 0;
    }

    .word-bank {
        justify-content: center;
    }

    .sortable-card::before {
        display: none;
    }

    .tf-buttons {
        flex-direction: column;
    }

    .comparison-tabs {
        flex-wrap: wrap;
    }

    .comparison-tab {
        flex: 1 1 auto;
        min-width: 100px;
    }
}

/* ============================================
   9. UTILITY CLASSES
   ============================================ */

.interactive-hint {
    background: var(--bg-tertiary);
    border-left: 3px solid var(--primary-orange);
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    margin: 12px 0;
    font-style: italic;
}

.interactive-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid #10b981;
    color: #10b981;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    margin: 12px 0;
}

.interactive-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    margin: 12px 0;
}

.interactive-info {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    margin: 12px 0;
}