/**
 * Church Community 테마 - 성경 읽기 스타일
 * 전자북(e-book) 스타일 디자인
 * Noto Serif KR 세리프 폰트, 세피아 톤, 책 페이지 느낌
 */

/* ========================================
   CSS 변수 (전자북 전용)
======================================== */
.bible-page {
    --bible-font-size: 20px;
    --bible-line-height: 2.0;
    --bible-verse-gap: 12px;
    --bible-controls-height: auto;

    /* e-book 전용 색상 */
    --ebook-bg: #f5f0e8;
    --ebook-page-bg: #faf7f2;
    --ebook-page-shadow: 0 2px 20px rgba(120, 90, 50, 0.12), 0 0 1px rgba(120, 90, 50, 0.08);
    --ebook-text: #3d3225;
    --ebook-text-light: #6b5d4f;
    --ebook-text-muted: #9c8b78;
    --ebook-verse-num: #8b6914;
    --ebook-border: #e2d8c8;
    --ebook-border-light: #ece4d6;
    --ebook-accent: #6b4c1e;
    --ebook-accent-light: #a07830;
    --ebook-highlight: #f5e6c4;
    --ebook-toolbar-bg: #f0ebe2;
    --ebook-toolbar-border: #d8cebf;
    --ebook-serif: 'Noto Serif KR', 'Batang', Georgia, 'Times New Roman', serif;
    --ebook-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ========================================
   페이지 전체 배경
======================================== */
.bible-page {
    background: var(--ebook-bg);
    padding-bottom: var(--space-3xl);
}

.bible-page .container {
    max-width: 960px;
}

/* ========================================
   컨트롤 바 (상단 툴바)
======================================== */
.bible-controls {
    position: sticky;
    top: 60px;
    z-index: 100;
    background: var(--ebook-toolbar-bg);
    border: 1px solid var(--ebook-toolbar-border);
    border-radius: var(--radius-lg);
    padding: var(--space-base) var(--space-lg);
    margin-bottom: var(--space-xl);
    box-shadow: 0 2px 8px rgba(120, 90, 50, 0.08);
}

/* 메인 영역 (셀렉트 + 설정 토글) */
.bible-controls-main {
    display: flex;
    align-items: flex-end;
    gap: var(--space-lg);
    margin-bottom: var(--space-base);
    padding-bottom: var(--space-base);
    border-bottom: 1px solid var(--ebook-border-light);
}

/* 설정 토글 버튼: 데스크톱에서 숨김 */
.bible-settings-toggle {
    display: none;
}

/* 설정 패널: 데스크톱에서 항상 표시 */
.bible-settings-panel {
    display: flex;
    align-items: flex-end;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.bible-controls-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--ebook-text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   성경/장 선택 드롭다운
======================================== */
.bible-select-group {
    flex: 1;
    min-width: 140px;
}

.bible-select-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--ebook-text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bible-select-label i {
    margin-right: 4px;
}

.bible-select {
    display: block;
    width: 100%;
    min-height: 44px;
    padding: 8px 36px 8px 12px;
    font-size: var(--font-base);
    font-weight: 500;
    font-family: var(--ebook-sans);
    color: var(--ebook-text);
    background: var(--ebook-page-bg);
    border: 1px solid var(--ebook-border);
    border-radius: var(--radius-base);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%236b5d4f' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 14px;
    transition: var(--transition);
}

.bible-select:focus {
    outline: none;
    border-color: var(--ebook-accent);
    box-shadow: 0 0 0 3px rgba(107, 76, 30, 0.12);
}

.bible-select option {
    font-size: var(--font-base);
    padding: 8px;
}

.bible-select optgroup {
    font-weight: 700;
    font-size: var(--font-base);
    color: var(--ebook-accent);
}

/* ========================================
   글자 크기 컨트롤
======================================== */
.bible-font-controls {
    display: flex;
    align-items: center;
    gap: 4px 6px;
    flex-wrap: wrap;
}

.bible-font-controls .bible-controls-label {
    flex-basis: 100%;
}

.bible-font-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-width: 40px;
    min-height: 40px;
    padding: 6px 10px;
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--ebook-text-light);
    background: var(--ebook-page-bg);
    border: 1px solid var(--ebook-border);
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: var(--transition);
}

.bible-font-btn:hover {
    background: var(--ebook-accent);
    color: #fff;
    border-color: var(--ebook-accent);
}

.bible-font-btn:active {
    background: var(--ebook-text);
    border-color: var(--ebook-text);
}

.bible-font-btn i {
    font-size: 11px;
}

.bible-font-size-display {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    font-size: var(--font-sm);
    font-weight: 700;
    color: var(--ebook-accent);
    text-align: center;
}

/* ========================================
   보기 모드 토글
======================================== */
.bible-view-toggle {
    display: flex;
    flex-direction: column;
}

.bible-view-buttons {
    display: flex;
    border: 1px solid var(--ebook-border);
    border-radius: var(--radius-base);
    overflow: hidden;
}

.bible-view-btn {
    min-height: 40px;
    padding: 6px 14px;
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--ebook-text-light);
    background: var(--ebook-page-bg);
    border: none;
    border-right: 1px solid var(--ebook-border);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.bible-view-btn:last-child {
    border-right: none;
}

.bible-view-btn:hover {
    background: var(--ebook-highlight);
    color: var(--ebook-accent);
}

.bible-view-btn.active {
    background: var(--ebook-accent);
    color: #fff;
    font-weight: 600;
}

/* ========================================
   TTS 컨트롤
======================================== */
.bible-tts-controls {
    display: flex;
    flex-direction: column;
}

.bible-tts-buttons {
    display: flex;
    gap: 4px;
}

.bible-tts-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
    padding: 6px;
    font-size: var(--font-lg);
    color: var(--ebook-text-light);
    background: var(--ebook-page-bg);
    border: 1px solid var(--ebook-border);
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: var(--transition);
}

.bible-tts-btn:hover {
    background: var(--ebook-accent);
    color: #fff;
    border-color: var(--ebook-accent);
}

.bible-tts-btn.active {
    background: var(--ebook-accent);
    color: #fff;
    border-color: var(--ebook-accent);
}

.bible-tts-btn.playing {
    background: var(--ebook-accent-light);
    color: #fff;
    border-color: var(--ebook-accent-light);
}

.bible-tts-speed {
    font-size: var(--font-sm);
    font-weight: 700;
    min-width: 48px;
}

/* ========================================
   현재 위치 표시
======================================== */
.bible-location {
    text-align: center;
    margin-bottom: var(--space-lg);
    padding: var(--space-base) 0;
}

.bible-location-title {
    font-family: var(--ebook-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ebook-text);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    letter-spacing: -0.02em;
}

/* ========================================
   성경 본문 영역 (책 페이지)
======================================== */
.bible-content {
    background: var(--ebook-page-bg);
    border: 1px solid var(--ebook-border-light);
    border-radius: 2px;
    padding: var(--space-3xl) var(--space-2xl);
    min-height: 400px;
    box-shadow: var(--ebook-page-shadow);
    position: relative;
}

/* 왼쪽 페이지 접힘 효과 */
.bible-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 40px;
    background: rgba(120, 90, 50, 0.03);
    border-right: 1px solid rgba(120, 90, 50, 0.06);
    pointer-events: none;
}

/* 로딩 상태 */
.bible-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: var(--ebook-text-muted);
    gap: var(--space-base);
}

.bible-loading i {
    font-size: 36px;
    color: var(--ebook-accent-light);
    animation: bibleLoadingSpin 1.2s linear infinite;
}

@keyframes bibleLoadingSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.bible-loading p {
    font-family: var(--ebook-serif);
    font-size: var(--font-lg);
    font-style: italic;
}

/* 단일 컬럼 모드 (한국어 또는 영문) */
.bible-single {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* 병행 모드 (2컬럼) */
.bible-content.parallel {
    padding: var(--space-2xl) var(--space-xl);
}

.bible-parallel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.bible-column-en,
.bible-column-ko {
    padding: 0 var(--space-base);
}

.bible-column-header {
    font-family: var(--ebook-serif);
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--ebook-accent);
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-lg);
    border-bottom: 2px solid var(--ebook-accent);
    text-align: center;
    letter-spacing: 0.05em;
}

/* ========================================
   구절
======================================== */
.bible-verse {
    padding: var(--bible-verse-gap) 0;
    line-height: var(--bible-line-height);
    transition: background-color 0.3s ease;
    border-radius: 2px;
}

.bible-verse + .bible-verse {
    border-top: 1px solid var(--ebook-border-light);
}

.verse-num {
    display: inline-block;
    font-family: var(--ebook-serif);
    font-size: 0.6em;
    font-weight: 700;
    color: var(--ebook-verse-num);
    vertical-align: super;
    margin-right: 6px;
    min-width: 1.5em;
}

.verse-text {
    font-family: var(--ebook-serif);
    font-size: var(--bible-font-size);
    line-height: var(--bible-line-height);
    color: var(--ebook-text);
    word-break: keep-all;
    overflow-wrap: break-word;
    letter-spacing: -0.01em;
}

/* 병행 모드에서 구절 정렬 */
.bible-parallel-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    padding: var(--bible-verse-gap) 0;
    transition: background-color 0.3s ease;
    border-radius: 2px;
}

.bible-parallel-row + .bible-parallel-row {
    border-top: 1px solid var(--ebook-border-light);
}

.bible-parallel-row .verse-text {
    font-family: var(--ebook-serif);
    font-size: var(--bible-font-size);
    line-height: var(--bible-line-height);
    color: var(--ebook-text);
    word-break: keep-all;
    overflow-wrap: break-word;
}

.bible-parallel-row .bible-verse-en,
.bible-parallel-row .bible-verse-ko {
    padding: 0 var(--space-base);
}

/* TTS 활성 구절 하이라이트 */
.verse-active {
    background-color: var(--ebook-highlight);
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
}

.bible-parallel-row.verse-active {
    background-color: var(--ebook-highlight);
}

/* 번역 미완료 안내 */
.verse-untranslated {
    font-size: var(--font-sm);
    color: var(--ebook-text-muted);
    font-style: italic;
}

/* 본문 없음 */
.bible-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: var(--ebook-text-muted);
    gap: var(--space-base);
}

.bible-empty i {
    font-size: 48px;
}

.bible-empty p {
    font-family: var(--ebook-serif);
    font-size: var(--font-lg);
    font-style: italic;
}

/* ========================================
   하단 네비게이션
======================================== */
.bible-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-base);
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--ebook-border);
}

.bible-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 20px;
    font-family: var(--ebook-sans);
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--ebook-text-light);
    background: var(--ebook-page-bg);
    border: 1px solid var(--ebook-border);
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: var(--transition);
}

.bible-nav-btn:hover {
    background: var(--ebook-accent);
    color: #fff;
    border-color: var(--ebook-accent);
}

.bible-nav-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.bible-nav-btn:disabled:hover {
    background: var(--ebook-page-bg);
    color: var(--ebook-text-light);
    border-color: var(--ebook-border);
}

.bible-nav-top {
    background: var(--ebook-toolbar-bg);
}

.bible-nav-top:hover {
    background: var(--ebook-accent-light);
    color: #fff;
    border-color: var(--ebook-accent-light);
}

/* ========================================
   출처 표시 영역
======================================== */
.bible-attribution {
    margin-top: var(--space-2xl);
    padding: var(--space-lg) 0;
    text-align: center;
    border-top: 1px solid var(--ebook-border-light);
}

.bible-attribution p {
    font-family: var(--ebook-serif);
    font-size: 0.8rem;
    font-style: italic;
    color: var(--ebook-text-muted);
    line-height: 1.8;
    margin: 0;
}

.bible-attribution p + p {
    margin-top: 2px;
}

/* ========================================
   반응형: 태블릿 가로 (1024px~1279px)
======================================== */
@media (min-width: 1024px) and (max-width: 1279px) {
    .bible-settings-panel {
        gap: var(--space-lg);
    }

    .bible-content {
        padding: var(--space-2xl) var(--space-xl);
    }
}

/* ========================================
   반응형: 태블릿 세로 (768px~1023px)
======================================== */
@media (min-width: 768px) and (max-width: 1023px) {
    .bible-controls {
        top: 60px;
        padding: var(--space-base);
    }

    .bible-settings-panel {
        gap: var(--space-base);
    }

    .bible-view-btn {
        padding: 6px 10px;
        font-size: var(--font-sm);
    }

    .bible-content {
        padding: var(--space-xl) var(--space-lg);
    }

    .bible-content::before {
        width: 24px;
    }

    .bible-single {
        padding: 0 var(--space-base);
    }

    .bible-parallel {
        gap: var(--space-lg);
    }

    .bible-parallel-row {
        gap: var(--space-lg);
    }

    .bible-location-title {
        font-size: 1.5rem;
    }
}

/* ========================================
   반응형: 모바일 (360px~767px)
======================================== */
@media (min-width: 360px) and (max-width: 767px) {
    .bible-controls {
        top: 56px;
        padding: 8px;
        border-radius: var(--radius-base);
        margin-bottom: var(--space-sm);
    }

    /* 메인 영역: 셀렉트 + 설정토글 한 줄 */
    .bible-controls-main {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom: none;
    }

    .bible-select-group {
        min-width: 0;
        flex: 1;
    }

    .bible-select-chapter {
        flex: 0 0 auto;
        min-width: 80px;
        max-width: 90px;
    }

    /* 모바일에서 라벨 숨김 */
    .bible-select-label {
        display: none;
    }

    .bible-select {
        min-height: 38px;
        padding: 6px 28px 6px 8px;
        font-size: var(--font-sm);
    }

    /* 설정 토글 버튼: 모바일에서 표시 */
    .bible-settings-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        width: 38px;
        height: 38px;
        padding: 0;
        font-size: 16px;
        color: var(--ebook-text-light);
        background: var(--ebook-page-bg);
        border: 1px solid var(--ebook-border);
        border-radius: var(--radius-base);
        cursor: pointer;
        transition: var(--transition);
    }

    .bible-settings-toggle:hover,
    .bible-settings-toggle.active {
        background: var(--ebook-accent);
        color: #fff;
        border-color: var(--ebook-accent);
    }

    /* 설정 패널: 모바일에서 기본 숨김 */
    .bible-settings-panel {
        display: none;
        flex-wrap: nowrap;
        align-items: center;
        gap: 8px;
        margin-top: 8px;
        padding-top: 8px;
        border-top: 1px solid var(--ebook-border-light);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .bible-settings-panel.expanded {
        display: flex;
    }

    /* 패널 내부 라벨 숨김 */
    .bible-settings-panel .bible-controls-label {
        display: none;
    }

    /* 보기 모드 */
    .bible-view-toggle {
        flex-shrink: 0;
    }

    .bible-view-buttons {
        width: auto;
    }

    .bible-view-btn {
        padding: 5px 8px;
        font-size: 12px;
        min-height: 32px;
        white-space: nowrap;
    }

    /* 글자 크기 */
    .bible-font-controls {
        flex-shrink: 0;
        gap: 4px;
    }

    .bible-font-btn {
        min-width: 32px;
        min-height: 32px;
        padding: 4px 6px;
    }

    .bible-font-size-display {
        min-width: 22px;
        font-size: 12px;
    }

    /* TTS */
    .bible-tts-controls {
        flex-shrink: 0;
    }

    .bible-tts-buttons {
        display: flex;
        gap: 3px;
    }

    .bible-tts-btn {
        min-width: 32px;
        min-height: 32px;
        font-size: var(--font-base);
    }

    .bible-tts-speed {
        font-size: 11px;
        min-width: 40px;
    }

    /* 위치 표시: 모바일 숨김 (셀렉트에서 이미 보임) */
    .bible-location {
        display: none;
    }

    /* 본문 영역: 패딩 최소화, 읽기 공간 최대화 */
    .bible-content {
        padding: var(--space-base) 12px;
        border-radius: 0;
        min-height: 300px;
    }

    /* 페이지 접힘 효과 제거 */
    .bible-content::before {
        display: none;
    }

    .bible-single {
        padding: 0;
    }

    .bible-verse {
        padding: 8px 0;
    }

    /* 병행 모드: 모바일에서 세로 배치 */
    .bible-parallel {
        grid-template-columns: 1fr;
        gap: var(--space-base);
    }

    .bible-parallel-row {
        grid-template-columns: 1fr;
        gap: var(--space-xs, 4px);
    }

    .bible-parallel-row .bible-verse-en {
        padding-bottom: var(--space-xs, 4px);
        border-bottom: 1px dashed var(--ebook-border-light);
    }

    .bible-column-header {
        font-size: var(--font-sm);
    }

    /* 하단 네비: 이전/다음만, 맨위로 숨김 */
    .bible-nav {
        display: flex;
        justify-content: space-between;
        gap: var(--space-sm);
        margin-top: var(--space-lg);
        padding-top: var(--space-base);
    }

    .bible-nav-btn {
        padding: 8px 16px;
        font-size: var(--font-sm);
        min-height: 40px;
    }

    #prevChapter,
    #nextChapter {
        flex: 1;
        justify-content: center;
    }

    .bible-nav-top {
        display: none;
    }

    /* 출처 */
    .bible-attribution {
        margin-top: var(--space-lg);
    }

    .bible-attribution p {
        font-size: 0.75rem;
    }
}

/* ========================================
   반응형: Fold/Flip (~359px)
======================================== */
@media (max-width: 359px) {
    .bible-controls {
        top: 50px;
        padding: 6px;
        border-radius: var(--radius-sm);
        margin-bottom: var(--space-sm);
    }

    /* 메인 영역 */
    .bible-controls-main {
        display: flex;
        align-items: center;
        gap: 6px;
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom: none;
    }

    .bible-select-group {
        min-width: 0;
        flex: 1;
    }

    .bible-select-chapter {
        flex: 0 0 auto;
        min-width: 68px;
        max-width: 78px;
    }

    .bible-select-label {
        display: none;
    }

    .bible-select {
        min-height: 34px;
        font-size: 13px;
        padding: 4px 24px 4px 6px;
    }

    /* 설정 토글 */
    .bible-settings-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        width: 34px;
        height: 34px;
        padding: 0;
        font-size: 14px;
        color: var(--ebook-text-light);
        background: var(--ebook-page-bg);
        border: 1px solid var(--ebook-border);
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: var(--transition);
    }

    .bible-settings-toggle:hover,
    .bible-settings-toggle.active {
        background: var(--ebook-accent);
        color: #fff;
        border-color: var(--ebook-accent);
    }

    /* 설정 패널 */
    .bible-settings-panel {
        display: none;
        flex-wrap: nowrap;
        align-items: center;
        gap: 6px;
        margin-top: 6px;
        padding-top: 6px;
        border-top: 1px solid var(--ebook-border-light);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .bible-settings-panel.expanded {
        display: flex;
    }

    .bible-settings-panel .bible-controls-label {
        display: none;
    }

    /* 보기 모드 */
    .bible-view-btn {
        padding: 4px 6px;
        font-size: 11px;
        min-height: 30px;
    }

    /* 글자 크기 */
    .bible-font-controls {
        flex-shrink: 0;
        gap: 3px;
    }

    .bible-font-btn {
        min-width: 28px;
        min-height: 28px;
        padding: 2px 4px;
    }

    .bible-font-size-display {
        min-width: 18px;
        font-size: 11px;
    }

    /* TTS */
    .bible-tts-controls {
        flex-shrink: 0;
    }

    .bible-tts-buttons {
        display: flex;
        gap: 2px;
    }

    .bible-tts-btn {
        min-width: 28px;
        min-height: 28px;
    }

    .bible-tts-speed {
        font-size: 10px;
        min-width: 36px;
    }

    /* 위치 표시: 숨김 */
    .bible-location {
        display: none;
    }

    /* 본문 */
    .bible-content {
        padding: var(--space-sm) 8px;
        border-radius: 0;
        min-height: 250px;
    }

    .bible-content::before {
        display: none;
    }

    .bible-single {
        padding: 0;
    }

    .bible-verse {
        padding: 6px 0;
    }

    .bible-parallel {
        grid-template-columns: 1fr;
    }

    .bible-parallel-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    /* 하단 네비: 이전/다음만 */
    .bible-nav {
        display: flex;
        justify-content: space-between;
        gap: 6px;
        margin-top: var(--space-base);
        padding-top: var(--space-sm);
    }

    .bible-nav-btn {
        padding: 6px 10px;
        font-size: 12px;
        min-height: 34px;
    }

    #prevChapter,
    #nextChapter {
        flex: 1;
        justify-content: center;
    }

    .bible-nav-top {
        display: none;
    }

    .bible-attribution p {
        font-size: 0.7rem;
    }
}

/* ========================================
   반응형: 모바일 공통 (767px 이하)
   - 스크롤 시 헤더 자동 숨김 지원
   - 페이지 헤더(브레드크럼) 숨김
======================================== */
@media (max-width: 767px) {
    /* 성경 페이지: 페이지 헤더(타이틀/브레드크럼) 숨김 - 셀렉트로 충분 */
    .main-content:has(.bible-page) > .page-header {
        display: none;
    }

    /* 스크롤 시 헤더 숨김/표시 전환 애니메이션 */
    .header {
        transition: transform 0.25s ease;
    }

    .bible-controls {
        transition: top 0.25s ease;
    }
}

/* ========================================
   반응형: FHD (1920px~2559px)
======================================== */
@media (min-width: 1920px) and (max-width: 2559px) {
    .bible-page .container {
        max-width: 1040px;
    }

    .bible-content {
        padding: var(--space-3xl) 60px;
    }

    .bible-content::before {
        width: 50px;
    }

    .bible-single {
        max-width: 820px;
    }

    .bible-location-title {
        font-size: 2rem;
    }
}

/* ========================================
   반응형: QHD (2560px~3839px)
======================================== */
@media (min-width: 2560px) and (max-width: 3839px) {
    .bible-page .container {
        max-width: 1200px;
    }

    .bible-content {
        padding: var(--space-3xl) 80px;
    }

    .bible-content::before {
        width: 60px;
    }

    .bible-single {
        max-width: 900px;
    }

    .bible-select {
        min-height: 48px;
        font-size: var(--font-lg);
    }

    .bible-location-title {
        font-size: 2.25rem;
    }
}

/* ========================================
   반응형: UHD (3840px+)
======================================== */
@media (min-width: 3840px) {
    .bible-page .container {
        max-width: 1400px;
    }

    .bible-content {
        padding: 64px 100px;
    }

    .bible-content::before {
        width: 80px;
    }

    .bible-single {
        max-width: 1000px;
    }

    .bible-select {
        min-height: 52px;
        font-size: var(--font-xl);
    }

    .bible-font-btn,
    .bible-view-btn,
    .bible-tts-btn {
        min-height: 48px;
    }

    .bible-nav-btn {
        min-height: 52px;
        font-size: var(--font-lg);
    }

    .bible-location-title {
        font-size: 2.5rem;
    }
}