/* 온라인판 겉틀. 밝은 바탕 하나만 쓴다. 이름은 모두 ol-(겉틀)·cv-(교육과정) 로 시작해
   시험문제 만들기(exam_builder.css)·기출문항(past_papers.css) 과 부딪히지 않게 한다. */
:root {
  color-scheme: light;
  --ol-bg: #f6f7f9;
  --ol-card: #ffffff;
  --ol-ink: #1b1f24;
  --ol-ink-2: #5b6470;
  --ol-line: #dfe3e8;
  --ol-accent: #1f5fd6;
  --ol-accent-ink: #ffffff;
  --ol-accent-soft: #e8f0fe;
  --ol-warn: #9a4a06;
  --ol-warn-soft: #fff4e5;
  --ol-radius: 10px;

  /* 시험문제 만들기·기출문항 모듈이 빌려 쓰는 이름(이 컴퓨터용 style.css 의 밝은 값과 같게) */
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #1b1f24;
  --ink-2: #5b6470;
  --line: #dfe3e8;
  --accent: #1f5fd6;
  --accent-soft: #e8f0fe;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --ok: #157347;
  --radius: 10px;
}

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

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--ol-bg);
  color: var(--ol-ink);
  font-family: 'Pretendard', -apple-system, 'Apple SD Gothic Neo', 'Segoe UI', 'Malgun Gothic', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

a { color: var(--ol-accent); }
:focus-visible { outline: 2px solid var(--ol-accent); outline-offset: 2px; }
[hidden] { display: none !important; }

/* ── 위 띠 ── */
.ol-top { background: var(--ol-card); border-bottom: 1px solid var(--ol-line); position: sticky; top: 0; z-index: 20; }
.ol-top-in {
  max-width: 1100px; margin: 0 auto; padding: 10px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.ol-brand { font-weight: 700; color: var(--ol-ink); text-decoration: none; font-size: 15px; }
.ol-home-btn {
  display: inline-flex; align-items: center; min-height: 38px; padding: 6px 14px;
  border: 1px solid var(--ol-line); border-radius: 999px; background: var(--ol-card);
  color: var(--ol-ink); text-decoration: none; font-size: 14px; font-weight: 600; white-space: nowrap;
}
.ol-home-btn:hover { background: var(--ol-accent-soft); border-color: var(--ol-accent); color: var(--ol-accent); }

/* ── 본문 ── */
.ol-main { flex: 1; width: 100%; max-width: 1100px; margin: 0 auto; padding: 20px 16px 40px; }
.ol-h1 { font-size: clamp(22px, 5vw, 30px); line-height: 1.3; margin: 18px 0 8px; letter-spacing: -0.01em; }
.ol-h2 { font-size: 21px; margin: 4px 0 14px; }
.ol-lead { color: var(--ol-ink-2); margin: 0 0 24px; }

/* 첫 화면 큰 단추 셋 */
.ol-menu { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 720px) { .ol-menu { grid-template-columns: 1fr; } }
.ol-big {
  display: flex; flex-direction: column; justify-content: center; gap: 4px;
  min-height: 150px; padding: 22px 20px;
  background: var(--ol-card); border: 1px solid var(--ol-line); border-radius: 14px;
  color: var(--ol-ink); text-decoration: none;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
  transition: border-color 0.12s, box-shadow 0.12s, transform 0.12s;
}
@media (max-width: 720px) { .ol-big { min-height: 96px; } }
.ol-big:hover { border-color: var(--ol-accent); box-shadow: 0 4px 14px rgba(31, 95, 214, 0.12); transform: translateY(-1px); }
.ol-big-i { font-size: 26px; line-height: 1; color: var(--ol-accent); }
.ol-big-t { font-size: 20px; font-weight: 700; }
.ol-big-s { font-size: 13.5px; color: var(--ol-ink-2); }
.ol-big.is-primary { background: var(--ol-accent); border-color: var(--ol-accent); color: var(--ol-accent-ink); }
.ol-big.is-primary .ol-big-i, .ol-big.is-primary .ol-big-s { color: rgba(255, 255, 255, 0.9); }

/* 화면을 불러오는 동안·못 불러왔을 때 */
.ol-loading { color: var(--ol-ink-2); padding: 24px 0; }
.ol-error {
  background: var(--ol-warn-soft); color: var(--ol-warn); border: 1px solid #f3d2a8;
  border-radius: var(--ol-radius); padding: 12px 14px; margin: 8px 0; white-space: pre-wrap;
}

/* ── 아래 띠(저작권) ── */
.ol-foot { border-top: 1px solid var(--ol-line); background: var(--ol-card); color: var(--ol-ink-2); font-size: 12.5px; }
.ol-foot-in { max-width: 1100px; margin: 0 auto; padding: 14px 16px 20px; }
.ol-foot p { margin: 4px 0; }

/* ── 교육과정 보기(curriculum_view.js) ── */
.cv-lead { color: var(--ol-ink-2); font-size: 14px; margin: 0 0 14px; }
.cv-bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.cv-search {
  flex: 1 1 260px; min-width: 0; font: inherit; font-size: 16px; /* 16px: 휴대폰에서 확대되지 않게 */
  padding: 9px 12px; border: 1px solid var(--ol-line); border-radius: var(--ol-radius); background: var(--ol-card); color: var(--ol-ink);
}
.cv-btn {
  font: inherit; font-size: 13.5px; padding: 8px 12px; min-height: 40px;
  border: 1px solid var(--ol-line); border-radius: var(--ol-radius); background: var(--ol-card); color: var(--ol-ink); cursor: pointer;
}
.cv-btn:hover { border-color: var(--ol-accent); color: var(--ol-accent); }
.cv-count { color: var(--ol-ink-2); font-size: 13px; width: 100%; }

.cv-subj { border: 1px solid var(--ol-line); border-radius: var(--ol-radius); background: var(--ol-card); margin-bottom: 10px; }
.cv-subj > summary {
  cursor: pointer; padding: 12px 14px; list-style: none;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px;
}
.cv-subj > summary::-webkit-details-marker { display: none; }
.cv-subj > summary::before { content: '▸'; color: var(--ol-ink-2); width: 1em; }
.cv-subj[open] > summary::before { content: '▾'; }
.cv-subj[open] > summary { border-bottom: 1px solid var(--ol-line); }
.cv-subj-name { font-weight: 700; font-size: 16px; }
.cv-subj-meta { color: var(--ol-ink-2); font-size: 13px; }
.cv-badge {
  display: inline-block; font-size: 11.5px; font-weight: 600; padding: 1px 8px; border-radius: 999px;
  background: var(--ol-accent-soft); color: var(--ol-accent);
}
.cv-units { padding: 4px 14px 8px; }

.cv-unit { padding: 12px 0; border-bottom: 1px solid var(--ol-line); }
.cv-unit:last-child { border-bottom: none; }
.cv-unit-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; }
.cv-area { font-size: 12px; color: var(--ol-accent); background: var(--ol-accent-soft); padding: 1px 7px; border-radius: 4px; }
.cv-unit-name { font-weight: 700; font-size: 15px; }
.cv-freq { color: var(--ol-ink-2); font-size: 12.5px; }

.cv-std { list-style: none; margin: 8px 0 0; padding: 0; font-size: 13.5px; }
.cv-std li { margin: 3px 0; }
.cv-code { font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace; font-size: 12px; color: var(--ol-ink-2); margin-right: 6px; white-space: nowrap; }
.cv-label { font-size: 12.5px; color: var(--ol-ink-2); font-weight: 600; margin: 8px 0 2px; }
.cv-concepts { font-size: 13.5px; margin: 0; }
.cv-limits {
  background: var(--ol-warn-soft); color: var(--ol-warn); border-radius: 8px;
  font-size: 13px; margin: 8px 0 0; padding: 8px 10px 8px 26px;
}
.cv-limits li { margin: 2px 0; }
.cv-chips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.cv-chip { font-size: 12px; background: var(--ol-bg); border: 1px solid var(--ol-line); border-radius: 12px; padding: 2px 9px; color: var(--ol-ink-2); }
.cv-empty { color: var(--ol-ink-2); padding: 16px 0; }
mark.cv-hit { background: #fff1a8; color: inherit; border-radius: 2px; padding: 0 1px; }

@media print {
  .ol-top, .ol-foot, .cv-bar { display: none; }
  body { background: #fff; }
  .ol-main { max-width: none; padding: 0; }
}