/* 커리큘럼 HTML 공통 스타일 (awsHtml/curriculum/*.html) — 수정 시 이 파일만 편집 */
:root {
  --blue: #0b65a8;
  --blue-dark: #084f83;
  --text: #5c6066;
  --muted: #7d828b;
  --bg: #f6f8fb;
  --card: #ffffff;
  --line: #e7edf5;
  --cols: 3;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html.curriculum-page {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
  font-size: 11px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.wrap {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 18px 52px;
}

.hero {
  margin-bottom: 16px;
  text-align: center;
}

h1 {
  margin: 0;
  color: #6e737c;
  font-size: clamp(12px, 3vw, 30px);
  letter-spacing: -0.04em;
}

.sub {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(var(--cols, 3), minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(17, 38, 62, 0.06);
}

.card h3 {
  margin: 0;
  padding: 10px 14px;
  background: var(--blue);
  color: #fff;
  font-size: 14px;
  letter-spacing: -0.03em;
}

.card h2 {
  margin: 0;
  padding: 12px 18px;
  background: var(--blue);
  color: #fff;
  font-size: 12px;
  letter-spacing: -0.03em;
  text-align: center;
}

.body,
.card .body {
  padding: 12px 16px 14px;
}

.section-title {
  display: inline-block;
  margin: 30px 0 16px;
  padding: 8px 18px;
  border-radius: 4px;
  background: var(--blue);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.note {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-left: 4px solid var(--blue);
  background: #eef6fc;
  border-radius: 8px;
  font-weight: 700;
}

.empty {
  color: var(--muted);
  font-size: 10px;
}

ol {
  margin: 0;
  padding-left: 1.35em;
}

ul {
  margin: 0;
  padding-left: 1.2em;
}

li {
  margin: 5px 0;
  word-break: keep-all;
}

/* 카드 본문 ol/ul 항목 (기본 본문 11px 대비 +3px) */
.card .body li {
  font-size: 14px;
}

.card.wide {
  grid-column: span 2;
}

.chapters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.chapter {
  margin: 0 0 16px;
}

.chapter-title {
  margin: 0 0 7px;
  color: var(--blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.major-list li {
  margin: 8px 0;
  color: var(--blue);
  font-weight: 700;
  font-size: 13px;
}

/* ----- 레이아웃: 대학미적분학 1 (2열, 넓은 래퍼) ----- */
main.wrap[data-layout="calculus1"] {
  max-width: 1400px;
}

main.wrap[data-layout="calculus1"] .hero {
  margin-bottom: 17px;
}

main.wrap[data-layout="calculus1"] h1 {
  font-size: clamp(14px, 3vw, 30px);
}

main.wrap[data-layout="calculus1"] .sub {
  margin-top: 8px;
}

main.wrap[data-layout="calculus1"] .grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

main.wrap[data-layout="calculus1"] .card h3 {
  padding: 12px 16px;
  font-size: 14px;
}

main.wrap[data-layout="calculus1"] .body {
  padding: 14px 18px 16px;
}

main.wrap[data-layout="calculus1"] li {
  margin: 6px 0;
}

/* ----- 레이아웃: 대학쌩기초 (단일 카드, 2단 목록) ----- */
main.wrap[data-layout="basic-ss"] {
  max-width: 960px;
}

main.wrap[data-layout="basic-ss"] .hero {
  margin-bottom: 16px;
}

main.wrap[data-layout="basic-ss"] h1 {
  font-size: clamp(12px, 3vw, 30px);
}

main.wrap[data-layout="basic-ss"] .card h2 {
  padding: 12px 18px;
  font-size: 11px;
}

main.wrap[data-layout="basic-ss"] .card .body {
  padding: 18px 24px 22px;
}

main.wrap[data-layout="basic-ss"] ol {
  padding-left: 1.5em;
  columns: 2;
  column-gap: 42px;
}

main.wrap[data-layout="basic-ss"] li {
  margin: 8px 0;
  padding-left: 4px;
  break-inside: avoid;
  font-size: 13px;
  color: #646970;
  font-weight: 700;
}

/* ----- 레이아웃: 현대대수 (4열 + wide + 장절) ----- */
main.wrap[data-layout="algebra"] {
  max-width: 1220px;
}

main.wrap[data-layout="algebra"] .hero {
  margin-bottom: 13px;
}

main.wrap[data-layout="algebra"] h1 {
  font-size: clamp(11px, 3vw, 22px);
  text-align: center;
}

main.wrap[data-layout="algebra"] .sub {
  margin: 12px 0 0;
}

main.wrap[data-layout="algebra"] .grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

main.wrap[data-layout="algebra"] .card h2 {
  padding: 12px 16px;
  font-size: 12px;
  text-align: left;
}

main.wrap[data-layout="algebra"] .body {
  padding: 14px 18px 16px;
}

/* ----- 레이아웃: 현대대수 (번호판, 3열) ----- */
main.wrap[data-layout="algebra-number"] {
  max-width: 1100px;
}

main.wrap[data-layout="algebra-number"] .hero {
  margin-bottom: 13px;
}

main.wrap[data-layout="algebra-number"] h1 {
  font-size: clamp(11px, 3vw, 22px);
  text-align: center;
}

main.wrap[data-layout="algebra-number"] .sub {
  margin: 12px 0 0;
}

main.wrap[data-layout="algebra-number"] .grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

main.wrap[data-layout="algebra-number"] .card h2 {
  padding: 12px 16px;
  font-size: 12px;
  text-align: left;
}

main.wrap[data-layout="algebra-number"] .body {
  padding: 14px 18px 16px;
}

main.wrap[data-layout="algebra-number"] li {
  margin: 8px 0;
  font-size: 13px;
  color: #0b65a8;
  font-weight: 700;
}

/* ----- 반응형 (기본 3열 그리드 계열) ----- */
/* main에만 --cols:4 둔 페이지: 넓은 화면에서 4→3열 (section에 --cols:2 등은 건드리지 않음) */
@media (max-width: 1180px) {
  main.wrap[style*="--cols:4"] .grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1100px) {
  main.wrap[data-layout="algebra"] .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  main.wrap[data-layout="algebra"] .card.wide {
    grid-column: span 2;
  }
}

@media (max-width: 900px) {
  main.wrap[data-layout="algebra-number"] {
    padding: 14px 14px 38px;
  }

  main.wrap[data-layout="algebra-number"] .grid {
    grid-template-columns: 1fr;
  }

  main.wrap[data-layout="calculus1"] .grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .wrap {
    padding: 14px 14px 38px;
  }
}

@media (max-width: 720px) {
  main.wrap[data-layout="algebra"] .grid {
    grid-template-columns: 1fr;
  }

  main.wrap[data-layout="algebra"] .card.wide {
    grid-column: auto;
  }

  main.wrap[data-layout="algebra"] .chapters {
    grid-template-columns: 1fr;
  }

  main.wrap[data-layout="algebra"] {
    padding: 14px 14px 38px;
  }

  main.wrap[data-layout="basic-ss"] {
    padding: 14px 14px 38px;
  }

  main.wrap[data-layout="basic-ss"] ol {
    columns: 1;
  }

  main.wrap[data-layout="basic-ss"] .card .body {
    padding: 14px 20px 22px;
  }

  main.wrap[data-layout="basic-ss"] li {
    font-size: 13px;
  }
}

@media (max-width: 560px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .card {
    border-radius: 12px;
  }

  .card h3 {
    font-size: 14px;
  }

  .card h2 {
    font-size: 10px;
  }

  li {
    font-size: 13px;
  }

  main.wrap[data-layout="algebra"] .card h2,
  main.wrap[data-layout="algebra-number"] .card h2 {
    font-size: 10px;
  }

  main.wrap[data-layout="algebra"] .chapter-title,
  main.wrap[data-layout="algebra-number"] .chapter-title {
    font-size: 10px;
  }

  main.wrap[data-layout="algebra-number"] li {
    font-size: 13px;
  }

  h1 {
    width: 100%;
    text-align: center;
  }
}

@media print {
  body {
    background: #fff;
  }

  .wrap {
    max-width: none;
    padding: 0;
  }

  .card {
    box-shadow: none;
    break-inside: avoid;
  }

  .grid {
    grid-template-columns: repeat(3, 1fr);
  }

  main.wrap[data-layout="algebra"] .card.wide,
  main.wrap[data-layout="algebra-number"] .card.wide {
    grid-column: span 2;
  }
}