/* ============================================
   Final Explain Screen
   #9480c5 | #77bf7e | #b9c9da | Pretendard
   Ground Rule: NO border-left anywhere
   ============================================ */

#finalExplainScreen {
    font-family: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #f7f6fb;
    min-height: 100vh;
    padding-bottom: 40px;
    color: #1e1e2f;
}

/* ── 헤더 ── */
#finalExplainScreen .final-header {
    background: linear-gradient(135deg, #9480c5, #7a66b0);
    padding: 24px 24px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

#finalExplainScreen .final-header h2 {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

#finalExplainScreen .final-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    font-size: 13px;
    flex-shrink: 0;
}

/* ── 통계 카드 ── */
#finalExplainScreen .final-summary {
    max-width: 880px;
    margin: 0 auto;
    padding: 20px 20px 0;
}

#finalExplainScreen .final-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(148,128,197,0.1);
}

#finalExplainScreen .final-stat-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 18px 8px;
    border-right: 1px solid #f0edf5;
}
#finalExplainScreen .final-stat-box:last-child {
    border-right: none;
}

#finalExplainScreen .final-stat-label {
    font-size: 11px;
    font-weight: 600;
    color: #999;
    letter-spacing: 0.5px;
}

#finalExplainScreen .final-stat-value {
    font-size: 19px;
    font-weight: 800;
    color: #9480c5;
}
#finalExplainScreen .final-stat-value.first {
    color: #8fa5bb;
}
#finalExplainScreen .final-stat-value.second {
    color: #9480c5;
}
#finalExplainScreen .final-stat-box.improvement .final-stat-value {
    color: #5ea065;
}

/* ── 컨텐츠 영역 ── */
#finalExplainScreen .final-content {
    max-width: 880px;
    margin: 20px auto 0;
    padding: 0 20px;
}

/* ── 세트 헤더 ── */
#finalExplainScreen .response-set-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: #faf9fd;
    border-bottom: 1px solid #f0edf5;
    border-radius: 14px 14px 0 0;
    box-shadow: 0 1px 6px rgba(0,0,0,0.05);
}

#finalExplainScreen .response-set-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    font-weight: 700;
    color: #9480c5;
}

#finalExplainScreen .response-set-badge i {
    font-size: 14px;
}

#finalExplainScreen .response-set-meta {
    font-size: 12px;
    color: #999;
    font-weight: 500;
    margin-left: auto;
}

/* ── 문제 리스트 ── */
#finalExplainScreen .questions-section {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-radius: 0 0 14px 14px;
    overflow: hidden;
    box-shadow: 0 1px 6px rgba(0,0,0,0.05);
}

/* ── 문제 카드 ── */
#finalExplainScreen .response-result-item {
    padding: 16px 20px 16px;
}

#finalExplainScreen .response-result-item + .response-result-item {
    border-top: 1px solid #f0edf5;
}

/* ── Q 헤더 ── */
#finalExplainScreen .question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

#finalExplainScreen .question-number {
    font-size: 14px;
    font-weight: 700;
    color: #1e1e2f;
}

#finalExplainScreen .result-status i {
    font-size: 18px;
}

/* ── 오디오 ── */
#finalExplainScreen .audio-section {
    padding: 0;
    margin-bottom: 12px;
}

#finalExplainScreen .audio-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #9480c5;
    margin-bottom: 10px;
}

#finalExplainScreen .audio-player-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

#finalExplainScreen .audio-play-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #9480c5;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: opacity 0.2s;
}
#finalExplainScreen .audio-play-btn:hover {
    opacity: 0.85;
}

#finalExplainScreen .audio-seek-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

#finalExplainScreen .audio-seek-bar {
    width: 100%;
    height: 4px;
    background: #e8e4f0;
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

#finalExplainScreen .audio-seek-progress {
    height: 100%;
    background: #9480c5;
    border-radius: 2px;
    position: relative;
}

#finalExplainScreen .audio-seek-handle {
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #9480c5;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

#finalExplainScreen .audio-time {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: #aaa;
    font-variant-numeric: tabular-nums;
}

/* 스크립트 */
#finalExplainScreen .audio-script {
    font-size: 14px;
    line-height: 1.9;
    color: #333;
}

#finalExplainScreen .audio-script strong {
    color: #7a66b0;
    font-weight: 700;
}

/* 키워드 하이라이트 */
#finalExplainScreen .response-keyword-highlight {
    color: #7a66b0;
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: rgba(148,128,197,0.35);
    text-underline-offset: 3px;
    cursor: help;
    position: relative;
}
#finalExplainScreen .response-keyword-highlight:hover {
    text-decoration-color: rgba(148,128,197,0.7);
}
#finalExplainScreen .response-keyword-highlight:hover::after {
    content: attr(data-translation) ' — ' attr(data-explanation);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: #2c2c3e;
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    z-index: 1000;
}
#finalExplainScreen .response-keyword-highlight:hover::before {
    content: '';
    position: absolute;
    bottom: calc(100%);
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #2c2c3e;
    z-index: 1000;
}

/* ── 답변 비교 ── */
#finalExplainScreen .answer-summary {
    background: #f9f7ff;
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 12px;
}

#finalExplainScreen .response-answer-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 6px;
}

#finalExplainScreen .response-answer-row:last-child {
    margin-bottom: 0;
}

#finalExplainScreen .response-answer-label {
    font-size: 12px;
    font-weight: 600;
    color: #8890a4;
    white-space: nowrap;
    min-width: 52px;
}

#finalExplainScreen .response-answer-value {
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
}

#finalExplainScreen .response-answer-value.correct {
    color: #77bf7e;
}

#finalExplainScreen .response-answer-value.incorrect {
    color: #d94452;
}

/* ── 해설 토글 ── */
#finalExplainScreen .options-explanation-section {
    padding: 0;
}

#finalExplainScreen .toggle-explanation-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f5f3fa;
    border: 1px solid rgba(148,128,197,0.15);
    border-radius: 10px;
    padding: 10px 14px;
    width: 100%;
    cursor: pointer;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: #9480c5;
    transition: background 0.2s;
}
#finalExplainScreen .toggle-explanation-btn:hover {
    background: #eee9f7;
}
#finalExplainScreen .toggle-explanation-btn .toggle-text {
    flex: 1;
    text-align: left;
}

/* ── 보기 해설 ── */
#finalExplainScreen .options-details {
    display: none;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

#finalExplainScreen .option-detail {
    padding: 12px 14px;
    border-radius: 10px;
    background: #f9f7ff;
    border: 1px solid rgba(148,128,197,0.10);
}

#finalExplainScreen .option-detail.correct {
    background: #f0faf1;
    border-color: rgba(119,191,126,0.25);
}

#finalExplainScreen .option-text {
    font-size: 14px;
    font-weight: 600;
    color: #1e1e2f;
    margin-bottom: 4px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

#finalExplainScreen .option-marker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #e8e4f0;
    font-size: 12px;
    font-weight: 700;
    color: #9480c5;
    flex-shrink: 0;
}

#finalExplainScreen .option-detail.correct .option-marker {
    background: #d4f5d6;
    color: #3a9142;
}

#finalExplainScreen .option-translation {
    font-size: 12px;
    color: #8890a4;
    margin-bottom: 6px;
    padding-left: 30px;
}

#finalExplainScreen .option-explanation {
    font-size: 12px;
    line-height: 1.5;
    padding: 8px 12px;
    border-radius: 8px;
    margin-left: 30px;
}

#finalExplainScreen .option-explanation.correct {
    background: rgba(119,191,126,0.08);
    color: #3a9142;
}

#finalExplainScreen .option-explanation.incorrect {
    background: rgba(231,76,94,0.06);
    color: #c0392b;
}

/* ── 하단 네비게이션 ── */
#finalExplainScreen .final-navigation {
    max-width: 880px;
    margin: 32px auto 0;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

#finalExplainScreen .final-navigation .btn {
    font-family: 'Pretendard Variable', 'Pretendard', sans-serif;
    font-size: 14px;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

#finalExplainScreen .final-navigation .btn-secondary {
    background: #fff;
    color: #9480c5;
    border: 1.5px solid #d8d0eb;
}
#finalExplainScreen .final-navigation .btn-secondary:hover {
    background: #f7f5fc;
}

#finalExplainScreen .final-navigation .btn-primary {
    background: #9480c5;
    color: #fff;
}
#finalExplainScreen .final-navigation .btn-primary:hover {
    background: #7a66b0;
}

/* ── 반응형 ── */
@media (max-width: 640px) {
    #finalExplainScreen .final-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    #finalExplainScreen .final-stat-box:nth-child(2) {
        border-right: none;
    }
    #finalExplainScreen .final-stat-box:nth-child(1),
    #finalExplainScreen .final-stat-box:nth-child(2) {
        border-bottom: 1px solid #f0edf5;
    }
    #finalExplainScreen .final-navigation {
        flex-direction: column;
    }
    #finalExplainScreen .final-navigation .btn {
        width: 100%;
        justify-content: center;
    }
    #finalExplainScreen .audio-player-container {
        gap: 10px;
    }
}