/* BACHICA-LAB 실무노트 — blog.bachica-lab.com (v2: 넓은 본문, 번호 섹션, 섹션 요약 박스) */
:root {
  --ink: #1f2328;
  --muted: #5b636d;
  --line: #e6e2d8;
  --hair: #f8f1d9;   /* thin cream top bar (BACHICA-LAB) */
  --cream: #fbf6e3;
  --box: #fdfaf0;
  --accent: #8a6d1f;
  --accent-dark: #6b5416;
  --band: #f7f4ec;
  --law: #f4f6f8;
  --law-line: #cfd6de;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: Pretendard, "Pretendard Variable", -apple-system, BlinkMacSystemFont,
    "Apple SD Gothic Neo", "Malgun Gothic", "맑은 고딕", "Noto Sans KR", "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.8;
  word-break: keep-all;
  overflow-wrap: break-word;
  border-top: 3px solid var(--hair);
}
a { color: inherit; text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.wrap { max-width: 900px; margin: 0 auto; padding: 0 28px; }

/* header */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; min-height: 62px; }
.brand { font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em; text-decoration: none; }
.brand span { font-weight: 500; color: var(--muted); margin-left: 4px; }

main.wrap { padding-top: 44px; padding-bottom: 64px; }

/* index */
.page-title { font-size: 1.7rem; line-height: 1.35; margin: 0 0 6px; letter-spacing: -0.02em; }
.page-lead { color: var(--muted); margin: 0 0 30px; }
.post-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.post-list li { padding: 20px 0; border-bottom: 1px solid var(--line); }
.post-list a { text-decoration: none; display: block; }
.post-list h2 { font-size: 1.18rem; line-height: 1.45; margin: 0 0 4px; letter-spacing: -0.01em; }
.post-list a:hover h2 { text-decoration: underline; }
.post-list p { margin: 0 0 4px; color: var(--muted); font-size: 0.95rem; }
.post-list time { color: var(--muted); font-size: 0.85rem; }
.tag-sample { display: inline-block; font-size: 0.75rem; font-weight: 600; padding: 0 6px;
  border: 1px solid #d0a400; color: #8a6d00; border-radius: 4px; margin-right: 6px; vertical-align: 2px; }

/* post head + lead */
.post-head h1 { font-size: 2rem; line-height: 1.38; margin: 0 0 12px; letter-spacing: -0.025em; }
.post-meta { color: var(--muted); font-size: 0.88rem; margin: 0 0 28px; padding-bottom: 22px;
  border-bottom: 2px solid var(--ink); }
.sample-notice { background: #fff8db; border: 1px dashed #d0a400; padding: 10px 14px;
  border-radius: 6px; font-size: 0.9rem; margin: 0 0 18px; }

.post-lead { margin: 0 0 30px; }
.post-lead p { margin: 0 0 1.05em; }
.post-lead blockquote { margin: 6px 0 22px; padding: 18px 22px; background: var(--band);
  border-radius: 10px; border-left: 4px solid var(--muted); color: #2e343b; font-size: 1.02rem; }
.post-lead blockquote p { margin: 0; }
.post-lead blockquote::before { content: "질문"; display: block; font-size: 0.8rem; font-weight: 700;
  color: var(--muted); letter-spacing: 0.04em; margin-bottom: 4px; }

/* conclusion + terms */
.conclusion { background: var(--box); border: 1px solid #ece2c2; border-left: 5px solid var(--accent);
  border-radius: 10px; padding: 22px 26px; margin: 0 0 26px; }
.conclusion h2, .terms h2 { font-size: 0.95rem; margin: 0 0 8px; color: var(--accent); letter-spacing: 0.02em; }
.conclusion p { margin: 0 0 10px; font-weight: 500; }
.conclusion ul, .conclusion ol { margin: 0; padding-left: 1.2em; }
.conclusion li { margin: 6px 0; }
.conclusion > :last-child { margin-bottom: 0; }

.terms { border: 1px solid var(--line); border-radius: 10px; padding: 18px 26px; margin: 0 0 12px; }
.terms dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; column-gap: 20px; row-gap: 8px; }
.terms dt { font-weight: 700; }
.terms dd { margin: 0; }
.terms p { margin: 0 0 6px; }

/* numbered sections */
.post-body .sec { margin: 56px 0 0; }
.sec-head { display: flex; align-items: center; gap: 16px; background: var(--band);
  border-top: 3px solid var(--ink); padding: 16px 20px; margin: 0 0 24px; border-radius: 0 0 8px 8px; }
.sec-num { flex: none; font-size: 1.35rem; font-weight: 800; color: var(--accent);
  letter-spacing: -0.02em; min-width: 2.2em; font-variant-numeric: tabular-nums; }
.sec-title { min-width: 0; }
.sec-cat { margin: 0; font-size: 0.82rem; font-weight: 700; color: var(--muted); letter-spacing: 0.04em; }
.sec-head h2 { margin: 0; font-size: 1.38rem; line-height: 1.45; letter-spacing: -0.015em; }

.post-body h3 { font-size: 1.12rem; margin: 30px 0 10px; }
.post-body p { margin: 0 0 1.15em; }
.post-body ul, .post-body ol { margin: 0 0 1.15em; padding-left: 1.3em; }
.post-body li { margin: 6px 0; }
.post-body strong { font-weight: 700; }
.post-body blockquote { margin: 0 0 1.15em; padding: 10px 18px; border-left: 3px solid var(--line);
  color: #3d444d; background: #fafafa; }
.post-body code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em; background: #f4f4f2; padding: 1px 5px; border-radius: 4px; }

/* boxes */
.box { border-radius: 10px; padding: 18px 22px; margin: 6px 0 1.4em; }
.box > :last-child { margin-bottom: 0; }
.box p, .box ul, .box ol { margin: 0 0 0.6em; }
.box-label { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.04em; margin: 0 0 6px !important; }
.box-law { background: var(--law); border: 1px solid var(--law-line); font-size: 0.96rem; }
.box-law .box-label { color: #46525e; }
.box-example { background: #fff; border: 1px dashed #c9bf9f; }
.box-example .box-label { color: var(--accent-dark); }
.box-summary { background: var(--cream); border: 1px solid #e5d7a8; border-top: 4px solid var(--accent);
  margin-top: 28px; }
.box-summary .box-label { color: var(--accent-dark); font-size: 0.9rem; }
.box-summary ul { padding-left: 1.2em; }
.box-summary li { margin: 5px 0; }
.note { margin: 40px 0 0; padding-top: 16px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 0.9rem; }
.note p { margin: 0; }

/* tables */
.table-wrap { overflow-x: auto; margin: 4px 0 1.3em; -webkit-overflow-scrolling: touch; }
.table-wrap table { border-collapse: collapse; width: 100%; font-size: 0.93rem; line-height: 1.6; }
.table-wrap th, .table-wrap td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; vertical-align: top; }
.table-wrap th { background: var(--band); font-weight: 700; white-space: nowrap; }

/* sources (근거) */
.sec-sources { margin-top: 52px; padding: 18px 22px; border: 1px solid var(--line); border-left: 4px solid var(--ink); background: #fafafa; font-size: 0.9rem; line-height: 1.7; }
.sec-sources h2 { font-size: 1.05rem; margin: 0 0 10px; }
.sec-sources h3, .sec-sources p strong:only-child { font-size: 0.95rem; }
.sec-sources ul { margin: 0 0 12px; padding-left: 1.2em; }
.sec-sources li { margin: 3px 0; overflow-wrap: anywhere; }
.sec-sources p { margin: 10px 0 4px; }

/* faq */
.faq { margin-top: 64px; border-top: 3px solid var(--ink); padding-top: 22px; }
.faq h2 { font-size: 1.38rem; margin: 0 0 12px; }
.faq-item { padding: 16px 0; border-bottom: 1px solid var(--line); }
.faq-item h3 { font-size: 1.04rem; margin: 0 0 6px; line-height: 1.55; }
.faq-item h3::before { content: "Q. "; color: var(--accent); }
.faq-item p { margin: 0; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 0.85rem; }
.site-footer p { margin: 0; }

@media (max-width: 640px) {
  body { font-size: 16.5px; line-height: 1.78; }
  .wrap { padding: 0 18px; }
  main.wrap { padding-top: 28px; }
  .post-head h1 { font-size: 1.5rem; }
  .page-title { font-size: 1.4rem; }
  .conclusion, .terms { padding: 16px 18px; }
  .terms dl { display: block; }
  .terms dt { margin-top: 8px; }
  .terms dt:first-child { margin-top: 0; }
  .sec-head { padding: 12px 14px; gap: 12px; }
  .sec-num { font-size: 1.1rem; min-width: 1.8em; }
  .sec-head h2 { font-size: 1.16rem; }
  .box { padding: 14px 16px; }
  .post-lead blockquote { padding: 14px 16px; }
  .sec-sources { padding: 14px 16px; }
}
@media print {
  body { border-top: 0; }
  .site-header, .site-footer { border: 0; }
}