/**
 * Reading Comprehension Styles - WITH COLUMN GAP
 */

/* =============================================
   QUIZ HEADER & INFO BAR SPACING
   ============================================= */

.tutor-course-single-header,
.tutor-quiz-header,
.tutor-course-topic-single-header,
body.single-tutor_quiz .tutor-single-entry-content > div:first-child {
    margin: 0 20px 0 20px !important;
    border-radius: 8px 8px 0 0 !important;
}

.quiz-meta-info,
div.quiz-meta-info,
.tutor-quiz-meta-info {
    margin: 0 20px !important;
    padding: 15px 20px !important;
    background: #fff9e6 !important;
    border-left: 4px solid #ffc107 !important;
    border-radius: 4px !important;
}

/* =============================================
   FIX TUTOR CONTAINERS
   ============================================= */

body.single-tutor_quiz #tutor-single-entry-content,
body.single-tutor_quiz .tutor-quiz-single-entry-wrap,
body.single-tutor_quiz form#tutor-answering-quiz,
body.single-tutor_quiz .tutor-quiz-wrapper,
body.single-tutor_quiz .tutor-quiz-wrap,
body.single-tutor_quiz .tutor-quiz-body {
    max-width: none !important;
    width: 100% !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin: 0 !important;
}

body.single-tutor_quiz [id^="quiz-attempt-single-question-"],
body.single-tutor_quiz div[id^="quiz-attempt-single-question-"],
body.single-tutor_quiz .quiz-attempt-single-question {
    max-width: none !important;
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
}

/* =============================================
   ADD BREATHING ROOM - Question Wrapper
   ============================================= */

body.single-tutor_quiz .tutor-quiz-wrapper,
body.single-tutor_quiz [id^="quiz-attempt-single-question-"] {
    padding: 20px !important;
}

/* =============================================
   READING COMPREHENSION 2-COLUMN LAYOUT
   ============================================= */

body.single-tutor_quiz .edufa-reading-comprehension,
.tutor-quiz-body .edufa-reading-comprehension,
div.edufa-reading-comprehension {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 20px !important;  /* ← THAY ĐỔI TỪ 0 → 20px */
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    border-radius: 0 !important;  /* ← Bỏ border-radius vì có gap rồi */
    overflow: visible !important;  /* ← Đổi từ hidden → visible */
    box-shadow: none !important;  /* ← Bỏ shadow, để mỗi cột có shadow riêng */
}

.edufa-reading-comprehension .passage-column,
div.passage-column {
    background: linear-gradient(180deg, #f8f9ff 0%, #f0f4ff 100%) !important;
    padding: 35px 30px !important;
    border-right: none !important;  /* ← Bỏ border giữa */
    border-radius: 8px !important;  /* ← Thêm border-radius cho cột */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;  /* ← Shadow riêng */
    min-height: calc(100vh - 240px) !important;
    max-height: calc(100vh - 240px) !important;
    overflow-y: auto !important;
    position: sticky !important;
    top: 20px !important;
    box-sizing: border-box !important;
}

.passage-column .passage-header,
div.passage-header {
    font-size: 18px !important;
    font-weight: 700 !important;
    color: #667eea !important;
    margin-bottom: 20px !important;
    padding-bottom: 15px !important;
    border-bottom: 2px solid #e0e7ff !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
}

.passage-header::before {
    content: "📖" !important;
    font-size: 22px !important;
    line-height: 1 !important;
}

.passage-column .passage-content,
div.passage-content {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
    font-size: 15.5px !important;
    line-height: 1.75 !important;
    color: #1a1a1a !important;
    white-space: pre-wrap !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
}

.edufa-reading-comprehension .question-column,
div.question-column {
    background: #ffffff !important;
    padding: 35px 30px !important;
    border-radius: 8px !important;  /* ← Thêm border-radius cho cột */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;  /* ← Shadow riêng */
    min-height: calc(100vh - 240px) !important;
    box-sizing: border-box !important;
}

/* =============================================
   SCROLLBAR STYLING
   ============================================= */

.passage-column::-webkit-scrollbar,
.question-column::-webkit-scrollbar {
    width: 6px !important;
}

.passage-column::-webkit-scrollbar-track,
.question-column::-webkit-scrollbar-track {
    background: #e0e7ff !important;
    border-radius: 3px !important;
}

.passage-column::-webkit-scrollbar-thumb,
.question-column::-webkit-scrollbar-thumb {
    background: #667eea !important;
    border-radius: 3px !important;
}

.passage-column::-webkit-scrollbar-thumb:hover,
.question-column::-webkit-scrollbar-thumb:hover {
    background: #5568d3 !important;
}

/* =============================================
   RESPONSIVE - MOBILE
   ============================================= */

@media (max-width: 768px) {
    .tutor-course-single-header,
    .tutor-quiz-header,
    .quiz-meta-info {
        margin: 0 15px !important;
    }
    
    body.single-tutor_quiz .tutor-quiz-wrapper,
    body.single-tutor_quiz [id^="quiz-attempt-single-question-"] {
        padding: 15px !important;
    }
    
    body.single-tutor_quiz .edufa-reading-comprehension {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }
    
    .edufa-reading-comprehension .passage-column {
        min-height: auto !important;
        max-height: 50vh !important;
        padding: 20px 18px !important;
        position: relative !important;
        top: auto !important;
    }
    
    .edufa-reading-comprehension .question-column {
        padding: 20px 18px !important;
        min-height: auto !important;
    }
}