/* 꽃피우리 수학 — 자료·인강 하위 페이지 공통 스타일 (index.html 토큰과 동일) */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --navy: #2c2c2c; --cream: #fdf9f4; --sage: #5a9e6f; --sage-dark: #2f6349; --sage-light: #eef6f0;
  --copper: #d4829c; --copper-light: #fdf0f4; --charcoal: #3a3a3a; --muted: #6b6b6b;
  --white: #ffffff; --border: #e8e4de; --amber: #b7791f; --amber-light: #fdf3e1;
  --shadow-sm: 0 1px 3px rgba(44,44,44,0.06); --shadow-md: 0 4px 16px rgba(44,44,44,0.08);
  --radius: 16px; --radius-sm: 10px;
}
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
[hidden] { display: none !important; }
body {
  font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--charcoal); background: var(--cream); line-height: 1.65; font-size: 16px;
  letter-spacing: -0.01em; -webkit-font-smoothing: antialiased; word-break: keep-all;
}
h1, h2, h3 { letter-spacing: -0.03em; color: var(--navy); }
a { color: inherit; }
.container { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.wide { max-width: 1040px; }

/* 헤더 */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(253,249,244,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.header-inner { max-width: 1040px; margin: 0 auto; padding: 0 20px; height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.header-inner .logo img { height: 44px; display: block; }
.header-nav { display: flex; gap: 6px; align-items: center; }
.header-nav a { text-decoration: none; font-size: 14px; font-weight: 600; color: var(--charcoal); padding: 8px 12px; border-radius: 100px; }
.header-nav a.active { background: var(--sage-light); color: var(--sage-dark); }
.header-nav a.nav-cta { background: var(--sage); color: var(--white); }
@media (max-width: 480px) { .header-nav a { padding: 8px 9px; font-size: 13px; } }

/* 상단 제목 블록 */
.page-hero { padding: 44px 0 28px; }
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.crumb a { text-decoration: none; }
.crumb a:hover { color: var(--sage-dark); }
.eyebrow { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; color: var(--sage-dark); background: var(--sage-light); padding: 5px 12px; border-radius: 100px; margin-bottom: 14px; }
.page-hero h1 { font-size: clamp(26px, 5vw, 38px); line-height: 1.25; font-weight: 800; }
.page-hero .lead { margin-top: 14px; font-size: 16px; color: var(--muted); line-height: 1.7; }

/* 정보 카드 */
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 8px 0 24px; }
.info-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 16px; }
.info-item .k { font-size: 12px; color: var(--muted); font-weight: 600; margin-bottom: 4px; }
.info-item .v { font-size: 16px; font-weight: 700; color: var(--navy); }
.info-item .note { display: block; font-size: 12px; color: var(--muted); font-weight: 400; margin-top: 3px; }

/* 카드·버튼 */
.card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; box-shadow: var(--shadow-sm); margin-bottom: 18px; }
.card h2 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--charcoal); }
.card p + p { margin-top: 8px; }
.card ul { padding-left: 20px; margin: 10px 0; }
.card li { margin: 4px 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 26px; border-radius: 12px; font-size: 15px; font-weight: 700; text-decoration: none; border: none; cursor: pointer; transition: all .2s ease; font-family: inherit; }
.btn-primary { background: var(--sage); color: var(--white); }
.btn-primary:hover { background: var(--sage-dark); transform: translateY(-1px); }
.btn-outline { background: var(--white); color: var(--charcoal); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--sage); color: var(--sage-dark); }
.btn-block { width: 100%; }
.btn.loading { opacity: .6; pointer-events: none; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

/* 상태 배지 */
.badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 100px; }
.badge-ready { background: var(--sage-light); color: var(--sage-dark); }
.badge-soon { background: var(--amber-light); color: var(--amber); }
.badge-tbd { background: #eeeeee; color: var(--muted); }

/* 목록 페이지 */
.school-group { margin: 28px 0 8px; }
.school-group h2 { font-size: 20px; margin-bottom: 10px; }
.school-group .exam-when { font-size: 13px; color: var(--muted); font-weight: 500; margin-left: 8px; }
.list-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.list-card { display: block; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 18px 16px; text-decoration: none; transition: transform .2s, box-shadow .2s; }
.list-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.list-card .t { font-size: 17px; font-weight: 800; color: var(--navy); margin: 8px 0 4px; }
.list-card .s { font-size: 13px; color: var(--muted); }
.list-card .go { margin-top: 12px; font-size: 14px; font-weight: 700; color: var(--sage-dark); }

/* 폼 */
.form-grid { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 14px; }
@media (min-width: 560px) { .form-grid { grid-template-columns: 1fr 1fr; } .form-grid .full { grid-column: 1 / -1; } }
.form-field label { display: block; font-size: 13px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.form-field label .req { color: var(--copper); }
.form-field input, .form-field select { width: 100%; padding: 12px 14px; font-size: 15px; font-family: inherit; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--white); color: var(--charcoal); }
.form-field input:focus, .form-field select:focus { outline: none; border-color: var(--sage); }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--muted); line-height: 1.6; }
.consent input { margin-top: 4px; width: 16px; height: 16px; flex-shrink: 0; }
.form-error { display: none; color: #b42318; font-size: 14px; margin-top: 6px; }
.form-error.show { display: block; }
.form-success { display: none; background: var(--sage-light); border-radius: var(--radius-sm); padding: 20px; text-align: center; }
.form-success.show { display: block; }
.form-success h3 { font-size: 18px; margin-bottom: 6px; }
.form-success p { font-size: 14px; color: var(--charcoal); }

/* FAQ */
.faq details { border-top: 1px solid var(--border); padding: 12px 0; }
.faq details:last-child { border-bottom: 1px solid var(--border); }
.faq summary { cursor: pointer; font-weight: 700; color: var(--navy); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::after { content: '+'; color: var(--sage); font-weight: 800; }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin-top: 8px; color: var(--charcoal); font-size: 15px; }

/* 다리(현강 안내) */
.bridge { background: var(--navy); color: rgba(255,255,255,0.85); border-radius: var(--radius); padding: 28px 24px; margin: 26px 0; }
.bridge h2 { color: var(--white); font-size: 21px; margin-bottom: 10px; }
.bridge p { color: rgba(255,255,255,0.8); font-size: 15px; }
.bridge ul { padding-left: 18px; margin: 12px 0 16px; }
.bridge li { margin: 4px 0; font-size: 15px; }
.bridge .btn-primary { background: var(--white); color: var(--navy); }
.bridge .btn-primary:hover { background: var(--cream); }

/* 법정 필수표시 푸터 */
.site-footer { background: #1f1f1f; color: rgba(255,255,255,0.55); padding: 36px 0 90px; margin-top: 40px; font-size: 12.5px; line-height: 1.7; }
.site-footer .footer-links { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 18px; }
.site-footer .footer-links a { color: rgba(255,255,255,0.75); text-decoration: none; font-size: 13px; font-weight: 600; }
.legal-block { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 16px; }
.legal-block p { margin: 3px 0; }
.legal-block b { color: rgba(255,255,255,0.8); font-weight: 700; }
.legal-block .copy { margin-top: 12px; color: rgba(255,255,255,0.35); }

/* 모바일 하단 고정 CTA */
.sticky-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); background: rgba(253,249,244,0.95); backdrop-filter: blur(10px); border-top: 1px solid var(--border); display: flex; gap: 8px; }
.sticky-bar .btn { flex: 1; padding: 13px 10px; font-size: 14px; }
@media (min-width: 900px) { .sticky-bar { display: none; } .site-footer { padding-bottom: 36px; } }

/* ─── 원고(article) 페이지 ─── */
.article { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow-sm); }
.article .answer { font-size: 17px; line-height: 1.75; color: var(--navy); background: var(--sage-light); border-left: 4px solid var(--sage); padding: 16px 18px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin-bottom: 22px; }
.article h2 { font-size: 21px; margin: 30px 0 10px; padding-top: 6px; }
.article h3 { font-size: 17px; margin: 18px 0 6px; }
.article p { margin: 10px 0; font-size: 16px; line-height: 1.75; }
.article ul, .article ol { padding-left: 22px; margin: 10px 0; }
.article li { margin: 5px 0; line-height: 1.7; }
.article blockquote { border-left: 3px solid var(--copper); background: var(--copper-light); padding: 12px 16px; margin: 14px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--navy); }
.article a { color: var(--sage-dark); }
.table-wrap { overflow-x: auto; margin: 12px 0; }
.article table { border-collapse: collapse; width: 100%; font-size: 15px; }
.article th, .article td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; vertical-align: top; }
.article th { background: var(--cream); font-weight: 700; color: var(--navy); white-space: nowrap; }
.article details.faq-item { border-top: 1px solid var(--border); padding: 10px 0; }
.article details.faq-item:last-of-type { border-bottom: 1px solid var(--border); }
.article details.faq-item summary { cursor: pointer; font-weight: 700; color: var(--navy); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.article details.faq-item summary::after { content: '+'; color: var(--sage); font-weight: 800; }
.article details.faq-item[open] summary::after { content: '−'; }
.article details.faq-item p { font-size: 15px; }
.meta-line { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 13px; color: var(--muted); margin: 6px 0 18px; }
.meta-line b { color: var(--charcoal); font-weight: 600; }
.sources { font-size: 13px; color: var(--muted); margin-top: 22px; padding-top: 12px; border-top: 1px dashed var(--border); }
.sources li { margin: 2px 0; }
.toc { display: flex; flex-wrap: wrap; gap: 8px 12px; font-size: 14px; background: var(--cream); border-radius: var(--radius-sm); padding: 12px 16px; margin: 0 0 18px; }
.toc a { text-decoration: none; color: var(--sage-dark); overflow-wrap: anywhere; }
.review-banner { background: #fff3cd; color: #7a5a00; border: 1px solid #ffe08a; border-radius: var(--radius-sm); padding: 10px 14px; font-size: 14px; font-weight: 700; margin: 12px 0; }
.related { margin: 22px 0; }
.related h2 { font-size: 18px; margin-bottom: 8px; }
.related a { display: block; padding: 10px 14px; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm); text-decoration: none; margin: 6px 0; font-weight: 600; color: var(--navy); }
.related a:hover { border-color: var(--sage); }
.related a span { display: block; font-size: 13px; color: var(--muted); font-weight: 400; margin-top: 2px; }

/* 공용 카카오톡 신청 안내 섹션 */
.form-field [data-contact-intake] { margin: 20px 0; }
.form-field [data-contact-intake] label { margin: 14px 0; line-height: 1.65; }
.form-field [data-contact-intake] input[type="checkbox"] { width: 18px; height: 18px; padding: 0; vertical-align: middle; }

[data-teacher][hidden],.school-group[hidden]{display:none!important}#teacher-filter{font:inherit;padding:12px;margin:8px 12px;border:1px solid #d9dee7;border-radius:10px;background:#fff;color:#202329}