/**
 * Joyn LMS 프론트엔드 스타일
 *
 * ============================================================
 * 파일 경로: joyn-lms/assets/css/joyn-lms.css
 * 설명: 디자인 시스템 + 코스 아카이브/카드
 *       디자인 프리뷰 v2.0 기준
 * ============================================================
 */

/* ═══════════════════════════════════════════════════════════════
   Astra 테마 간섭 차단 — 아이솔레이션 리셋
   ═══════════════════════════════════════════════════════════════
   Astra child 테마가 플러그인 요소에 간섭하지 않도록
   .joyn-lms 스코프 내에서 기본 스타일을 리셋/오버라이드합니다.
   ═══════════════════════════════════════════════════════════════ */

/* -- Box Model 리셋 -- */
.joyn-lms *,
.joyn-lms *::before,
.joyn-lms *::after,
.joyn-checkout *,
.joyn-checkout *::before,
.joyn-checkout *::after,
.joyn-lesson-viewer *,
.joyn-lesson-viewer *::before,
.joyn-lesson-viewer *::after,
.joyn-lms-certificate-page *,
.joyn-lms-certificate-page *::before,
.joyn-lms-certificate-page *::after {
    box-sizing: border-box;
}

/* -- 링크 리셋 (Astra a 태그 색상/밑줄 오버라이드 차단) -- */
.joyn-lms a,
.joyn-checkout a,
.joyn-lesson-viewer a,
.joyn-lms-certificate-page a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease, opacity 0.15s ease;
}
.joyn-lms a:hover,
.joyn-checkout a:hover { color: var(--joyn-primary); }

/* -- 제목 리셋 (Astra h1-h6 margin/font 오버라이드 차단) -- */
.joyn-lms h1, .joyn-lms h2, .joyn-lms h3, .joyn-lms h4, .joyn-lms h5, .joyn-lms h6,
.joyn-checkout h1, .joyn-checkout h2, .joyn-checkout h3,
.joyn-lesson-viewer h1, .joyn-lesson-viewer h2, .joyn-lesson-viewer h3,
.joyn-lms-certificate-page h1, .joyn-lms-certificate-page h2, .joyn-lms-certificate-page h3 {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.4;
    margin: 0 0 12px 0;
    padding: 0;
    color: var(--joyn-text, #1a1a2e);
    letter-spacing: -0.02em;
}

/* -- 단락/리스트 리셋 -- */
.joyn-lms p, .joyn-checkout p, .joyn-lesson-viewer p, .joyn-lms-certificate-page p {
    margin: 0 0 12px 0;
    padding: 0;
    line-height: 1.7;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
}
.joyn-lms ul, .joyn-lms ol,
.joyn-checkout ul, .joyn-checkout ol {
    margin: 0; padding: 0;
    list-style: none;
}

/* -- 이미지 리셋 -- */
.joyn-lms img, .joyn-checkout img, .joyn-lesson-viewer img, .joyn-lms-certificate-page img {
    max-width: 100%;
    height: auto;
    border: none;
    box-shadow: none;
}

/* -- 폼 요소 리셋 (Astra input/select/button 오버라이드 차단) -- */
.joyn-lms input,
.joyn-lms select,
.joyn-lms textarea,
.joyn-lms button,
.joyn-checkout input,
.joyn-checkout select,
.joyn-checkout textarea,
.joyn-checkout button {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--joyn-text, #1a1a2e);
    border-radius: var(--joyn-radius-md, 8px);
    outline: none;
    box-shadow: none;
}
.joyn-lms input[type="text"],
.joyn-lms input[type="email"],
.joyn-lms input[type="tel"],
.joyn-lms input[type="password"],
.joyn-lms input[type="number"],
.joyn-lms input[type="search"],
.joyn-lms select,
.joyn-lms textarea,
.joyn-checkout input[type="text"],
.joyn-checkout input[type="email"],
.joyn-checkout input[type="tel"],
.joyn-checkout select,
.joyn-checkout textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--joyn-border, #e5e7eb);
    background: #fff;
    transition: border-color 0.2s;
    -webkit-appearance: none;
    appearance: none;
}
.joyn-lms input:focus,
.joyn-lms select:focus,
.joyn-lms textarea:focus,
.joyn-checkout input:focus,
.joyn-checkout select:focus,
.joyn-checkout textarea:focus {
    border-color: var(--joyn-primary, #4A90D9);
    box-shadow: 0 0 0 3px rgba(74,144,217,0.12);
}

/* -- 버튼 리셋 (Astra .button 스타일 차단) -- */
.joyn-lms .joyn-btn,
.joyn-checkout .joyn-btn,
.joyn-lesson-viewer .joyn-btn,
.joyn-lms-certificate-page .joyn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    text-decoration: none !important;
    border: none;
    border-radius: var(--joyn-radius-md, 8px);
    cursor: pointer;
    transition: all 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
    white-space: nowrap;
}
.joyn-lms .joyn-btn:hover,
.joyn-checkout .joyn-btn:hover,
.joyn-lesson-viewer .joyn-btn:hover { text-decoration: none !important; }

/* -- Astra 컨테이너 폭 오버라이드 차단 -- */
.joyn-lms .joyn-container,
.joyn-checkout,
.joyn-lms-certificate-page {
    max-width: 1200px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* -- Astra .entry-content 간섭 차단 -- */
.entry-content .joyn-lms,
.entry-content .joyn-checkout,
.entry-content .joyn-lms-certificate-page,
.ast-article-single .joyn-lms,
.ast-article-single .joyn-checkout,
.site-content .joyn-lms,
.site-content .joyn-checkout {
    max-width: none;
    padding: 0;
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--joyn-text, #1a1a2e);
}

/* -- Astra #primary 래퍼 간섭 차단 -- */
#primary .joyn-lms,
#primary .joyn-checkout,
.ast-container .joyn-lms,
.ast-container .joyn-checkout {
    width: 100%;
    max-width: none;
    padding: 0;
}

/* -- Astra entry-content 내부 마진/패딩 리셋 -- */
.entry-content .joyn-lms > *:first-child,
.entry-content .joyn-checkout > *:first-child { margin-top: 0; }
.entry-content .joyn-lms > *:last-child,
.entry-content .joyn-checkout > *:last-child { margin-bottom: 0; }

/* -- 테이블 리셋 -- */
.joyn-lms table, .joyn-checkout table {
    border-collapse: collapse;
    width: 100%;
    border: none;
    margin: 0;
}
.joyn-lms th, .joyn-lms td,
.joyn-checkout th, .joyn-checkout td {
    border: none;
    padding: 10px 12px;
    text-align: left;
    font-size: 14px;
    vertical-align: middle;
}

/* -- Astra body_class 기반 specificity 강화 -- */
body.single-joyn_course .joyn-lms,
body.post-type-archive-joyn_course .joyn-lms,
body.page .joyn-lms,
body.page .joyn-checkout {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.7;
    color: var(--joyn-text, #1a1a2e);
}




/* ── CSS 변수 (Joyn Design System) ─── */
:root {
    --joyn-primary: #4A90D9;
    --joyn-primary-dark: #3A7BC8;
    --joyn-primary-light: #E8F0FE;
    --joyn-primary-rgb: 74, 144, 217;
    --joyn-secondary: #6C63FF;
    --joyn-success: #00A854;
    --joyn-success-light: #F6FFED;
    --joyn-warning: #FAAD14;
    --joyn-warning-light: #FFFBE6;
    --joyn-danger: #F5222D;
    --joyn-danger-light: #FFF1F0;
    --joyn-text: #1D2327;
    --joyn-text-secondary: #646970;
    --joyn-text-muted: #8C8F94;
    --joyn-text-inverse: #FFFFFF;
    --joyn-bg: #F7F8FA;
    --joyn-bg-white: #FFFFFF;
    --joyn-bg-dark: #1D2327;
    --joyn-border: #E0E0E0;
    --joyn-border-light: #F0F0F0;
    --joyn-spacing-xs: 4px;
    --joyn-spacing-sm: 8px;
    --joyn-spacing-md: 16px;
    --joyn-spacing-lg: 24px;
    --joyn-spacing-xl: 32px;
    --joyn-spacing-2xl: 48px;
    --joyn-radius-sm: 4px;
    --joyn-radius-md: 8px;
    --joyn-radius-lg: 12px;
    --joyn-radius-xl: 16px;
    --joyn-radius-full: 9999px;
    --joyn-shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
    --joyn-shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --joyn-shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --joyn-shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    --joyn-font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --joyn-font-sm: 13px;
    --joyn-font-base: 15px;
    --joyn-font-md: 16px;
    --joyn-font-lg: 18px;
    --joyn-font-xl: 20px;
    --joyn-font-2xl: 24px;
    --joyn-font-3xl: 30px;
    --joyn-transition: 0.2s ease;
    --joyn-transition-slow: 0.3s ease;
    --joyn-container-max: 1200px;
    --joyn-container-narrow: 800px;
}

/* ── 기본 리셋 ─── */
.joyn-lms *, .joyn-lms *::before, .joyn-lms *::after { box-sizing: border-box; }
.joyn-lms {
    font-family: var(--joyn-font-family);
    font-size: var(--joyn-font-base);
    line-height: 1.6;
    color: var(--joyn-text);
}

/* ── 컨테이너 ─── */
.joyn-container { max-width: var(--joyn-container-max); margin: 0 auto; padding: 0 var(--joyn-spacing-md); }
.joyn-container--narrow { max-width: var(--joyn-container-narrow); }

/* ── 버튼 ─── */
.joyn-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 24px; border: none; border-radius: var(--joyn-radius-md);
    font-family: var(--joyn-font-family); font-size: var(--joyn-font-base); font-weight: 600;
    cursor: pointer; transition: all var(--joyn-transition); text-decoration: none; width: 100%;
}
.joyn-btn:hover { transform: translateY(-1px); box-shadow: var(--joyn-shadow-md); }
.joyn-btn:active { transform: translateY(0); }
.joyn-btn--primary { background: var(--joyn-primary) !important; color: #fff !important; }
.joyn-btn--primary:hover { background: var(--joyn-primary-dark) !important; color: #fff !important; }
.joyn-btn--secondary { background: transparent !important; color: var(--joyn-primary) !important; border: 2px solid var(--joyn-primary) !important; }
.joyn-btn--secondary:hover { background: var(--joyn-primary-light); }
.joyn-btn--success { background: var(--joyn-success) !important; color: #fff !important; }
.joyn-btn--danger { background: var(--joyn-danger) !important; color: #fff !important; }
.joyn-btn--sm { padding: 6px 16px; font-size: var(--joyn-font-sm); }
.joyn-btn--lg { padding: 14px 32px; font-size: var(--joyn-font-lg); }
.joyn-btn--full { width: 100%; }
.joyn-btn--inline { width: auto; }
.joyn-btn:disabled, .joyn-btn--disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ── 배지 ─── */
.joyn-badge { display: inline-flex; align-items: center; padding: 2px 10px; border-radius: var(--joyn-radius-full); font-size: 12px; font-weight: 600; }
.joyn-badge--primary { background: var(--joyn-primary-light); color: var(--joyn-primary); }
.joyn-badge--success { background: var(--joyn-success-light); color: var(--joyn-success); }
.joyn-badge--warning { background: var(--joyn-warning-light); color: var(--joyn-warning); }
.joyn-badge--danger { background: var(--joyn-danger-light); color: var(--joyn-danger); }
.joyn-badge--free { background: var(--joyn-success); color: #fff; }

/* ── 별점 ─── */
.joyn-stars { display: inline-flex; gap: 2px; color: var(--joyn-warning); }
.joyn-stars .star-filled::before { content: '★'; }
.joyn-stars .star-empty::before { content: '☆'; color: #DDD; }
.joyn-stars .star-half::before { content: '★'; background: linear-gradient(90deg, var(--joyn-warning) 50%, #DDD 50%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* ── 가격 ─── */
.joyn-price { display: inline-flex; align-items: baseline; gap: 8px; }
.joyn-lms .joyn-price__current, .joyn-checkout .joyn-price__current { font-size: 28px; font-weight: 800; color: var(--joyn-primary); }
.joyn-price__original { font-size: 14px; color: var(--joyn-text-muted); text-decoration: line-through; margin-left: 8px; }
.joyn-price__free { font-size: var(--joyn-font-2xl); font-weight: 700; color: var(--joyn-success); }
.joyn-price__discount { font-size: 12px; font-weight: 700; color: var(--joyn-danger); background: var(--joyn-danger-light); padding: 2px 8px; border-radius: var(--joyn-radius-sm); margin-left: 8px; }

/* ── 프로그레스 바 ─── */
.joyn-progress { width: 100%; height: 8px; background: var(--joyn-border-light); border-radius: var(--joyn-radius-full); overflow: hidden; }
.joyn-progress__bar { height: 100%; background: linear-gradient(90deg, var(--joyn-primary), var(--joyn-secondary)); border-radius: var(--joyn-radius-full); transition: width var(--joyn-transition-slow); }
.joyn-progress__text { font-size: var(--joyn-font-sm); color: var(--joyn-text-secondary); margin-top: 4px; }

/* ── 알림 ─── */
.joyn-notice { padding: var(--joyn-spacing-md); border-radius: var(--joyn-radius-md); margin-bottom: var(--joyn-spacing-md); display: flex; align-items: center; gap: 8px; }
.joyn-notice--info { background: var(--joyn-primary-light); border-left: 4px solid var(--joyn-primary); color: var(--joyn-primary-dark); }
.joyn-notice--success { background: var(--joyn-success-light); border-left: 4px solid var(--joyn-success); color: var(--joyn-success); }
.joyn-notice--warning { background: var(--joyn-warning-light); border-left: 4px solid var(--joyn-warning); }
.joyn-notice--error { background: var(--joyn-danger-light); border-left: 4px solid var(--joyn-danger); color: var(--joyn-danger); }

/* ── 스피너 ─── */
.joyn-spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid var(--joyn-border); border-top-color: var(--joyn-primary); border-radius: 50%; animation: joyn-spin 0.6s linear infinite; }
@keyframes joyn-spin { to { transform: rotate(360deg); } }
.joyn-loading-overlay { position: relative; }
.joyn-loading-overlay::after { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.8); z-index: 10; }

/* ── 아카이브 헤더 ─── */
.joyn-lms .joyn-archive-header { background: linear-gradient(135deg, #1a2a4a 0%, #2d4a7a 100%); padding: 48px 40px 40px; color: #fff; }
.joyn-lms .joyn-archive-header__title { font-size: 28px; font-weight: 800; margin: 0 0 4px; color: #fff; }
.joyn-lms .joyn-archive-header__count { opacity: 0.7; font-size: 14px; margin: 0; color: #fff; }

/* ── 필터 바 ─── */
.joyn-filter-bar { padding: 16px 40px; background: #fff; border-bottom: 1px solid var(--joyn-border-light); }
.joyn-filter-bar__form { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; width: 100%; }
.joyn-lms .joyn-filter-bar__select { padding: 8px 14px; border: 1px solid var(--joyn-border); border-radius: var(--joyn-radius-md); font-size: var(--joyn-font-sm); color: var(--joyn-text-secondary); background: #fff; cursor: pointer; outline: none; }
.joyn-filter-bar__select:hover, .joyn-filter-bar__select:focus { border-color: var(--joyn-primary); }
.joyn-filter-bar__sort { margin-left: auto; }

/* ── 코스 그리드 ─── */
.joyn-course-grid { display: grid; gap: 24px; padding: 32px 40px; }
.joyn-course-grid.joyn-cols-3 { grid-template-columns: repeat(3, 1fr); }
.joyn-course-grid.joyn-cols-2 { grid-template-columns: repeat(2, 1fr); }

/* ── 코스 카드 ─── */
.joyn-course-card { background: #fff; border-radius: var(--joyn-radius-lg); overflow: hidden; border: 1px solid var(--joyn-border-light); transition: all var(--joyn-transition); cursor: pointer; }
.joyn-lms .joyn-course-card:hover { transform: translateY(-4px); box-shadow: var(--joyn-shadow-lg); }
.joyn-course-card__thumb { position: relative; height: 180px; overflow: hidden; }
.joyn-course-card__thumb a { display: block; width: 100%; height: 100%; }
.joyn-course-card__img, .joyn-course-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--joyn-transition-slow); }
.joyn-course-card:hover .joyn-course-card__img, .joyn-course-card:hover .joyn-course-card__thumb img { transform: scale(1.05); }
.joyn-course-card__no-thumb { width: 100%; height: 100%; background: linear-gradient(135deg, #e8f0fe, #f0f4ff); display: flex; align-items: center; justify-content: center; color: var(--joyn-primary); font-size: 48px; }
.joyn-course-card__cat { position: absolute; top: 12px; left: 12px; background: rgba(0,0,0,0.6); color: #fff; padding: 3px 10px; border-radius: 6px; font-size: 11px; font-weight: 600; backdrop-filter: blur(4px); }
.joyn-course-card__discount { position: absolute; top: 12px; right: 12px; background: var(--joyn-danger); color: #fff; padding: 3px 10px; border-radius: 6px; font-size: 11px; font-weight: 700; }
.joyn-course-card__body { padding: 16px; }
.joyn-course-card__title { font-size: 15px; font-weight: 700; margin: 0 0 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.4; }
.joyn-course-card__title a { color: var(--joyn-text); text-decoration: none; }
.joyn-course-card__title a:hover { color: var(--joyn-primary); }
.joyn-course-card__instructor { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--joyn-text-secondary); margin-bottom: 10px; }
.joyn-course-card__instructor img, .joyn-course-card__avatar { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; }
.joyn-course-card__meta { display: flex; gap: 12px; font-size: 12px; color: var(--joyn-text-muted); }
.joyn-course-card__footer { padding: 12px 16px; border-top: 1px solid var(--joyn-border-light); display: flex; align-items: center; justify-content: space-between; }
.joyn-course-card__price { font-size: 16px; font-weight: 700; color: var(--joyn-primary); }
.joyn-course-card__price--free { color: var(--joyn-success); }
.joyn-course-card__price del { font-size: 13px; color: var(--joyn-text-muted); font-weight: 400; margin-right: 6px; }

/* ── 페이지네이션 ─── */
.joyn-pagination { display: flex; justify-content: center; gap: 4px; padding: 24px 40px 40px; }
.joyn-pagination a, .joyn-pagination span { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 8px; font-size: 14px; font-weight: 500; text-decoration: none; color: var(--joyn-text-secondary); border: 1px solid var(--joyn-border); transition: all 0.15s; }
.joyn-lms .joyn-pagination .current { background: var(--joyn-primary); color: #fff; border-color: var(--joyn-primary); }
.joyn-lms .joyn-pagination a:hover { background: var(--joyn-primary-light); border-color: var(--joyn-primary); color: var(--joyn-primary); }

/* ── 검색결과 없음 ─── */
.joyn-no-results-box { text-align: center; padding: 60px 20px; }
.joyn-no-results-box p { font-size: 16px; color: var(--joyn-text-secondary); margin: 16px 0; }
.joyn-no-results { color: var(--joyn-text-muted); text-align: center; padding: 24px; }

/* ── 반응형 ─── */
@media (max-width: 900px) {
    .joyn-course-grid.joyn-cols-3 { grid-template-columns: repeat(2, 1fr); }
    .joyn-lms .joyn-archive-header { padding: 32px 24px; }
    .joyn-filter-bar { padding: 12px 24px; }
    .joyn-course-grid { padding: 24px; }
    .joyn-pagination { padding: 24px; }
}
@media (max-width: 600px) {
    :root { --joyn-font-base: 14px; --joyn-font-2xl: 20px; --joyn-font-3xl: 24px; }
    .joyn-course-grid.joyn-cols-3, .joyn-course-grid.joyn-cols-2 { grid-template-columns: 1fr; }
    .joyn-container { padding: 0 var(--joyn-spacing-sm); }
    .joyn-lms .joyn-archive-header { padding: 24px 16px; }
    .joyn-lms .joyn-archive-header__title { font-size: 22px; }
    .joyn-filter-bar { padding: 12px 16px; }
    .joyn-filter-bar__form { flex-direction: column; align-items: stretch; }
    .joyn-filter-bar__sort { margin-left: 0; }
    .joyn-course-grid { padding: 16px; }
    .joyn-pagination { padding: 16px; }
}