/* styles/main-enhancements.css
   기존 디자인 위에 더해지는 보강 스타일 (토스트, 모바일 메뉴, 접근성, 다국어 성경검색). */

/* ── 접근성: 스크린리더 전용 텍스트 ── */
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ── 본문 바로가기 링크 ── */
.skip-link {
    position: absolute;
    left: 12px;
    top: -48px;
    z-index: 2000;
    background: var(--primary-color);
    color: #fff;
    padding: 10px 16px;
    border-radius: 8px;
    text-decoration: none;
    transition: top 0.2s ease;
}
.skip-link:focus { top: 12px; }

/* ── 키보드 포커스 가시성 ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(74, 144, 226, 0.45);
    outline-offset: 2px;
}

/* ── 토스트 알림 ── */
.toast-container {
    position: fixed;
    top: 84px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}
.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 240px;
    max-width: 360px;
    padding: 13px 16px;
    border-radius: 10px;
    background: var(--bg-white);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    transform: translateX(24px);
    transition: opacity 0.28s ease, transform 0.28s ease;
    pointer-events: auto;
}
.toast.show { opacity: 1; transform: translateX(0); }
.toast-icon {
    flex-shrink: 0;
    width: 22px; height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    font-size: 13px;
    font-weight: 700;
}
.toast-msg { line-height: 1.45; word-break: break-word; }
.toast-success { border-left-color: var(--success-color); }
.toast-success .toast-icon { background: var(--success-color); }
.toast-error { border-left-color: var(--error-color); }
.toast-error .toast-icon { background: var(--error-color); }
.toast-warning { border-left-color: var(--warning-color); }
.toast-warning .toast-icon { background: var(--warning-color); }
.toast-info { border-left-color: var(--primary-color); }
.toast-info .toast-icon { background: var(--primary-color); }

/* ── 모바일 햄버거 버튼 ── */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px; height: 44px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
}
.nav-toggle span {
    display: block;
    width: 24px; height: 2px;
    margin: 0 auto;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── 성경 검색 공통 필드 ── */
.bible-field-label {
    font-size: 13px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 4px;
}
.bible-field {
    width: 100%;
    padding: 8px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
}
.field-hint {
    color: var(--text-secondary);
    display: block;
    margin-top: 8px;
    font-size: 12px;
    line-height: 1.5;
}

/* ── 언어 선택 체크박스 ── */
.lang-toggle-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}
.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-light);
    padding: 6px 10px;
    border-radius: 999px;
    cursor: pointer;
    user-select: none;
}
.lang-toggle input {
    cursor: pointer;
}

/* ── 다국어 결과 카드 ── */
.bible-result-card {
    background: var(--bg-light);
    padding: 16px;
    border-radius: 12px;
    border-left: 4px solid var(--secondary-color);
    margin-bottom: 12px;
}
.bible-result-card:last-child { margin-bottom: 0; }
.bible-result-card-error {
    border-left-color: var(--text-secondary);
    opacity: 0.85;
}
.bible-result-version {
    font-size: 12px;
    font-weight: 700;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 4px;
}
.verse-reference {
    font-weight: 700;
    color: var(--secondary-color);
    font-size: 15px;
    margin-bottom: 6px;
}
.verse-text {
    line-height: 1.7;
    color: var(--text-primary);
    white-space: pre-wrap;
}
.btn-copy-verse {
    margin-top: 12px;
    padding: 8px 14px;
    border: none;
    border-radius: 6px;
    background: var(--primary-color);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: filter 0.2s ease;
}
.btn-copy-verse:hover { filter: brightness(1.05); }

.bible-attribution {
    margin-top: 16px;
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.6;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
}

/* ── 모바일/태블릿 대응 (≤1450px) ──
   9개 메뉴 항목이 있어서 아이패드 프로 12.9인치 가로모드(약 1366px)까지도 안 들어간다.
   1200px으로도 부족해서 1450px로 더 넉넉하게 넓힌다. */
@media (max-width: 1450px) {
    .nav-toggle { display: flex; }

    .navbar-container { position: relative; }

    .navbar-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--bg-white);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--border-color);
        padding: 8px 0;
        z-index: 1200;
    }
    .navbar-menu.open { display: flex; }
    .navbar-menu li { width: 100%; }
    .navbar-menu a {
        display: block;
        padding: 14px 24px;
        font-size: 16px;
        border-bottom: 1px solid var(--bg-light);
    }
    .navbar-menu a.active { background: var(--bg-light); }

    .toast-container {
        top: auto;
        bottom: 20px;
        right: 12px;
        left: 12px;
    }
    .toast { max-width: 100%; min-width: 0; }

    .lang-toggle-group { gap: 8px; }
}

/* ── 모션 축소 선호 존중 ── */
@media (prefers-reduced-motion: reduce) {
    .toast,
    .nav-toggle span,
    .progress-fill {
        transition: none !important;
    }
}

/* ══════════════════════════════════════════════
   강의 시청 팝업 모달 (lecture-watch.js)
   ══════════════════════════════════════════════ */
.lw-modal-content {
    max-width: 1300px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
}
.lw-instructor {
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--text-secondary);
}
.lw-body { padding: 20px; }

/* 수강완료 팝업 - 영상이 끝나면 뜨고, 여기서 확인해야만 완료 처리된다 */
.lw-complete-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.55);
    padding: 20px;
}
.lw-complete-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 36px 32px;
    max-width: 340px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-xl);
}
.lw-complete-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: #dcfce7;
    color: #16a34a;
    font-size: 28px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lw-complete-title {
    margin: 0 0 8px;
    font-size: 19px;
    font-weight: 700;
    color: var(--text-primary);
}
.lw-complete-text {
    margin: 0 0 24px;
    font-size: 14px;
    color: var(--text-secondary);
}
.lw-complete-actions {
    display: flex;
    gap: 10px;
}
.lw-complete-actions .btn {
    flex: 1;
}

/* 이어보기 선택 화면 */
.lw-resume-choice {
    text-align: center;
    padding: 40px 20px;
}
.lw-resume-choice p {
    font-size: 15px;
    color: var(--text-primary);
    margin-bottom: 20px;
}
.lw-resume-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* 강좌 목록 + 영상 + 문서 사이드바 레이아웃 */
.lw-main-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}
@media (max-width: 1024px) {
    .lw-main-layout { grid-template-columns: 1fr; }
}
/* 강의자료가 없는 강의는 사이드바 자체를 없애고 영상이 꽉 채운다 */
.lw-main-layout.lw-no-doc {
    grid-template-columns: 1fr;
}
.lw-main-layout.lw-no-doc .lw-doc-col {
    display: none;
}
/* 강좌에 속한 강의면 왼쪽에 강좌 목록 열이 하나 더 붙는다 */
.lw-main-layout.lw-has-course {
    grid-template-columns: 220px 2fr 1fr;
}
.lw-main-layout.lw-has-course.lw-no-doc {
    grid-template-columns: 220px 1fr;
}
@media (max-width: 1024px) {
    .lw-main-layout.lw-has-course,
    .lw-main-layout.lw-has-course.lw-no-doc {
        grid-template-columns: 1fr;
    }
}

/* 강좌 목록 사이드바 */
.lw-course-col {
    flex-direction: column;
    background: var(--bg-light);
    border-radius: 10px;
    padding: 16px;
    max-height: 480px;
    overflow-y: auto;
}
.lw-course-col h3 {
    margin: 0 0 12px;
    font-size: 14px;
    color: var(--text-primary);
}
.lw-course-lecture-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.lw-course-lecture-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.15s;
}
.lw-course-lecture-item:hover {
    background: var(--border-color);
}
.lw-course-lecture-item.active {
    background: var(--primary-color);
    color: white;
    font-weight: 700;
}
.lw-course-lecture-item.completed:not(.active) {
    color: #16a34a;
}
.lw-course-lecture-marker {
    flex-shrink: 0;
    width: 18px;
    text-align: center;
    font-size: 12px;
    font-weight: 700;
}
.lw-course-lecture-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lw-video-frame-wrap {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
}
.lw-video-frame-wrap iframe,
.lw-video-placeholder {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}
.lw-video-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
    font-size: 14px;
    background: #1a1a1a;
}

.lw-header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lw-mode-toggle {
    display: flex;
    background: var(--bg-light);
    border-radius: 999px;
    padding: 3px;
    gap: 2px;
}
.lw-mode-btn {
    border: none;
    background: transparent;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}
.lw-mode-btn.active {
    background: var(--primary-color);
    color: white;
}

/* 시청 진도 - 이제 헤더 바로 아래, 스크롤되는 본문 밖에 있어 항상 보인다 */
.lw-watch-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 32px;
    background: var(--bg-light);
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
}
.lw-watch-status.completed { background: rgba(76, 175, 80, 0.12); color: #2e7d32; }
.lw-progress-bar {
    flex: 1;
    height: 6px;
    background: #e0e0e0;
    border-radius: 999px;
    overflow: hidden;
}
.lw-progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}
.lw-watch-status.completed .lw-progress-fill { background: #4caf50; }

.lw-video-stage {
    position: relative;
}
.lw-audio-mode-overlay {
    position: absolute;
    inset: 0;
    z-index: 5;
    border-radius: 10px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    gap: 16px;
}
.lw-audio-mode-overlay p {
    font-size: 14px;
    color: #cbd5e1;
}
.lw-audio-bars {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 36px;
}
.lw-audio-bars span {
    width: 5px;
    background: var(--secondary-color);
    border-radius: 3px;
    animation: lwAudioBar 1s ease-in-out infinite;
}
.lw-audio-bars span:nth-child(1) { height: 40%; animation-delay: 0s; }
.lw-audio-bars span:nth-child(2) { height: 100%; animation-delay: 0.15s; }
.lw-audio-bars span:nth-child(3) { height: 60%; animation-delay: 0.3s; }
.lw-audio-bars span:nth-child(4) { height: 80%; animation-delay: 0.45s; }
@keyframes lwAudioBar {
    0%, 100% { transform: scaleY(0.4); }
    50% { transform: scaleY(1); }
}
@media (prefers-reduced-motion: reduce) {
    .lw-audio-bars span { animation: none; }
}

.lw-description {
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-primary);
}


/* 강의자료 사이드바 */
.lw-doc-col {
    background: var(--bg-light);
    border-radius: 10px;
    padding: 16px;
}
.lw-doc-col h3 { margin: 0 0 12px; font-size: 14px; }
.lw-doc-empty {
    color: var(--text-secondary);
    font-size: 13px;
    text-align: center;
    padding: 30px 0;
}
.lw-doc-download-only {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-white);
    border-radius: 8px;
    padding: 14px;
}
.lw-doc-icon {
    font-size: 28px;
    flex-shrink: 0;
}
.lw-doc-name {
    flex: 1;
    font-size: 13px;
    color: var(--text-primary);
    word-break: break-word;
}
.lw-doc-download {
    display: inline-block;
    flex-shrink: 0;
    padding: 7px 12px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

@media (max-width: 600px) {
    .lw-resume-actions { flex-direction: column; }
}

/* ══════════════════════════════════════════════
   언어 전환 (i18n.js)
   ══════════════════════════════════════════════ */
.lang-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-secondary);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}
.lang-btn:hover { background: var(--bg-light); }
.lang-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* 로그인/회원가입 등 네비게이션 바가 없는 페이지용 */
.lang-switcher-standalone {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 16px 0 0;
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
}

/* 네비게이션 바가 있는 페이지: i18n.js가 .navbar-user 앞에 자동 삽입 */
.lang-switcher {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-right: 12px;
}
@media (max-width: 600px) {
    .lang-switcher { margin-right: 4px; }
    .lang-btn { padding: 5px 9px; font-size: 11px; }
}

/* 강좌 관리 모달의 강좌 목록 행 */
.course-manage-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    background: var(--bg-light);
    border-radius: 8px;
    margin-bottom: 8px;
}
.course-manage-row-info {
    min-width: 0;
}
.course-manage-row-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}
.course-manage-row-meta {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}
.course-manage-row-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}