/* ===== Quiz Pages Specific Styles ===== */
/* Styles extracted from inline <style> tags */

/* Quiz layout container */
.quiz-layout {
    max-width: 1100px;
}

/* Question wrapper */
.question-wrapper {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Card header title */
.card-header-title {
    font-weight: 600;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #0f172a;
}

.card-header-title i {
    color: #1a4b84;
}

/* Option label */
.option-label-strong {
    min-width: 30px;
}

/* Question meta */
.question-meta {
    font-size: 0.85rem;
    color: #64748b;
}

/* Question options row */
.question-options-row {
    margin-bottom: 8px;
}

/* ===== Question Cards (Quiz Manager) ===== */
/* Container giới hạn width cho đẹp */
#questionsList {
    max-width: 900px;
    margin: 0 auto;
}

.question-card {
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    transition: all 0.2s ease;
    margin-bottom: 12px !important;
    background: #ffffff;
}

.question-card:hover {
    border-color: #1a4b84;
    box-shadow: 0 2px 8px rgba(26, 75, 132, 0.1);
    transform: translateY(-1px);
}

.question-card .card-body {
    padding: 14px 16px;
}

/* Question index badge - nhỏ gọn hơn */
.question-index-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #1a4b84, #2563eb);
    color: white;
    border-radius: 7px;
    font-weight: 700;
    font-size: 0.85rem;
    margin-right: 10px;
    flex-shrink: 0;
}

/* Question title - gọn hơn */
.question-title {
    font-size: 0.92rem;
    line-height: 1.4;
    color: #0f172a;
    font-weight: 500;
}

/* Option item - gọn và đẹp hơn */
.option-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 10px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.86rem;
    line-height: 1.4;
    transition: all 0.15s ease;
}

.option-item:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

.option-item.correct {
    background: #dcfce7;
    border-color: #86efac;
}

.option-item.correct:hover {
    background: #bbf7d0;
}

/* Option key pill - nhỏ hơn */
.option-key-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    background: #1a4b84;
    color: white;
    border-radius: 5px;
    font-weight: 700;
    font-size: 0.72rem;
    flex-shrink: 0;
}

.option-item.correct .option-key-pill {
    background: #16a34a;
}

/* Question options list - 1 cột gọn gàng */
.question-options-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 10px;
}

/* Option text - nội dung của option */
.option-text {
    flex: 1;
    color: #334155;
    line-height: 1.4;
}

/* Question explanation - gọn hơn */
.question-explanation {
    font-size: 0.83rem;
    padding: 10px 12px;
    background: #fef3c7;
    border-left: 3px solid #f59e0b;
    border-radius: 5px;
    margin-top: 10px;
    line-height: 1.4;
    color: #78350f;
}

.question-explanation strong {
    color: #92400e;
}

/* Buttons trong question card - nhỏ hơn */
.question-card .btn-sm {
    padding: 4px 10px;
    font-size: 0.8rem;
}

/* ===== NEW: Question Manager 2-Column Layout ===== */

/* Question List Card (Left Column) */
.question-list-card {
    height: calc(100vh - 200px);
    min-height: 500px;
    display: flex;
    flex-direction: column;
}

.question-list-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px !important;
}

/* Question Grid Container - 5 cột ngang */
.question-grid-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    max-width: 350px; /* Giới hạn chiều rộng để ô không quá to */
}

.question-grid-item {
    aspect-ratio: 1;
    width: 100%;
    max-width: 60px; /* Giới hạn kích thước tối đa */
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.question-grid-item:hover {
    background: #f8fafc;
    border-color: #1a4b84;
    color: #1a4b84;
    transform: scale(1.05);
    box-shadow: 0 2px 6px rgba(26, 75, 132, 0.15);
}

.question-grid-item.active {
    background: #1a4b84;
    border-color: #1a4b84;
    color: white;
    box-shadow: 0 2px 8px rgba(26, 75, 132, 0.3);
}

.question-grid-item.active:hover {
    background: #0d2d54;
    border-color: #0d2d54;
    transform: scale(1.05);
}

/* Question Detail Card (Right Column) */
.question-detail-card {
    height: calc(100vh - 200px);
    min-height: 500px;
    display: flex;
    flex-direction: column;
}

.question-detail-card .card-body {
    flex: 1;
    overflow-y: auto;
}

.question-detail-content {
    max-width: 800px;
}

.question-detail-header {
    margin-bottom: 16px;
}

.question-detail-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #0f172a;
    font-weight: 500;
    margin-bottom: 24px;
    padding: 16px;
    background: #f8fafc;
    border-left: 4px solid #1a4b84;
    border-radius: 8px;
}

.question-detail-section {
    margin-bottom: 24px;
}

.section-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

.section-title i {
    color: #1a4b84;
}

/* Options Detail List */
.options-detail-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.option-detail-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.option-detail-item:hover {
    border-color: #cbd5e1;
    background: #f1f5f9;
}

.option-detail-item.correct {
    background: #f0fdf4;
    border-color: #86efac;
}

.option-detail-key {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    background: #ffffff;
    border: 2px solid #cbd5e1;
    color: #64748b;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.option-detail-item.correct .option-detail-key {
    background: #22c55e;
    border-color: #22c55e;
    color: white;
}

.option-detail-text {
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.5;
    color: #334155;
}

.option-detail-item.correct .option-detail-text {
    color: #166534;
    font-weight: 500;
}

.option-detail-item i {
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* Correct Answer Box */
.correct-answer-box {
    padding: 14px 18px;
    background: linear-gradient(135deg, #dcfce7, #bbf7d0);
    border: 2px solid #86efac;
    border-radius: 10px;
    color: #166534;
    font-size: 0.95rem;
    line-height: 1.5;
    display: flex;
    align-items: center;
}

.correct-answer-box i {
    font-size: 1.3rem;
    color: #22c55e;
}

/* Explanation Box */
.explanation-box {
    padding: 16px 18px;
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    border-radius: 8px;
    color: #78350f;
    font-size: 0.92rem;
    line-height: 1.6;
}

/* Scrollbar Styling */
.question-list-body::-webkit-scrollbar,
.question-detail-card .card-body::-webkit-scrollbar {
    width: 6px;
}

.question-list-body::-webkit-scrollbar-track,
.question-detail-card .card-body::-webkit-scrollbar-track {
    background: #f1f5f9;
}

.question-list-body::-webkit-scrollbar-thumb,
.question-detail-card .card-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.question-list-body::-webkit-scrollbar-thumb:hover,
.question-detail-card .card-body::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Responsive */
@media (max-width: 991px) {
    .question-list-card,
    .question-detail-card {
        height: auto;
        min-height: 400px;
    }
    
    .question-list-scroll {
        max-height: 400px;
    }
    
    .question-grid-container {
        max-width: 100%;
    }
}

@media (max-width: 767px) {
    .question-list-card,
    .question-detail-card {
        min-height: 350px;
        padding: 1rem;
    }
    
    .question-list-body {
        padding: 12px !important;
    }
    
    .question-grid-container {
        grid-template-columns: repeat(5, 1fr);
        gap: 8px;
    }
    
    .question-grid-item {
        max-width: 50px;
        font-size: 0.85rem;
        border-radius: 6px;
    }
    
    .question-detail-text {
        font-size: 1rem;
        padding: 12px;
    }
    
    .option-detail-item {
        padding: 10px 12px;
        gap: 10px;
    }
    
    .option-detail-key {
        min-width: 32px;
        height: 32px;
        font-size: 0.85rem;
    }
    
    .option-detail-text {
        font-size: 0.9rem;
    }
    
    .correct-answer-box {
        padding: 12px 14px;
        font-size: 0.9rem;
    }
    
    .explanation-box {
        padding: 12px 14px;
        font-size: 0.875rem;
    }
    
    .question-card .card-body {
        padding: 12px;
    }
    
    .question-title {
        font-size: 0.88rem;
    }
    
    .question-options-list {
        gap: 5px;
    }
    
    .option-item {
        padding: 7px 9px;
        font-size: 0.82rem;
    }
    
    .option-key-pill {
        min-width: 20px;
        height: 20px;
        font-size: 0.68rem;
    }
    
    .question-explanation {
        font-size: 0.8rem;
        padding: 8px 10px;
    }
}

@media (max-width: 575px) {
    .question-grid-container {
        grid-template-columns: repeat(5, 1fr);
        gap: 6px;
    }
    
    .question-grid-item {
        max-width: 44px;
        font-size: 0.8rem;
        border-radius: 5px;
        border-width: 1.5px;
    }
    
    .question-list-card,
    .question-detail-card {
        min-height: 300px;
        padding: 0.875rem;
    }
    
    .question-list-body {
        padding: 10px !important;
    }
    
    .question-detail-text {
        font-size: 0.95rem;
        padding: 10px;
        margin-bottom: 16px;
    }
    
    .section-title {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
    
    .option-detail-item {
        padding: 8px 10px;
        gap: 8px;
        border-radius: 8px;
    }
    
    .option-detail-key {
        min-width: 28px;
        height: 28px;
        font-size: 0.8rem;
        border-radius: 6px;
    }
    
    .option-detail-text {
        font-size: 0.85rem;
    }
    
    .option-detail-item i {
        font-size: 1.2rem;
    }
    
    .correct-answer-box {
        padding: 10px 12px;
        font-size: 0.85rem;
        border-radius: 8px;
    }
    
    .explanation-box {
        padding: 10px 12px;
        font-size: 0.82rem;
        border-radius: 6px;
    }
    
    .question-card {
        margin-bottom: 10px !important;
        border-radius: 8px;
    }
    
    .question-card .card-body {
        padding: 10px;
    }
    
    .question-index-badge {
        min-width: 24px;
        height: 24px;
        font-size: 0.75rem;
        border-radius: 5px;
        margin-right: 8px;
    }
    
    .question-title {
        font-size: 0.85rem;
        line-height: 1.35;
    }
    
    .question-options-list {
        gap: 4px;
        margin-top: 8px;
    }
    
    .option-item {
        padding: 6px 8px;
        font-size: 0.78rem;
        border-radius: 5px;
        gap: 6px;
    }
    
    .option-key-pill {
        min-width: 18px;
        height: 18px;
        font-size: 0.65rem;
        border-radius: 4px;
    }
    
    .option-text {
        line-height: 1.35;
    }
    
    .question-explanation {
        font-size: 0.78rem;
        padding: 7px 9px;
        margin-top: 8px;
    }
    
    .question-card .btn-sm {
        padding: 3px 8px;
        font-size: 0.75rem;
    }
}