/* 에스테틱 인덱스 — 기본 스타일
   색은 :root 에 모아 두었습니다. 다크 모드는 아래 미디어쿼리에서 같은 이름을 덮어씁니다. */

:root {
  --bg:        #ffffff;
  --surface:   #f6f6f4;
  --border:    #e2e2de;
  --text:      #16171a;
  --muted:     #62646b;
  --accent:    #1a3d6d;
  --accent-bg: #eef2f8;
  --warn:      #8a4b00;
  --warn-bg:   #fdf4e7;
  --maxw:      44rem;
  --gutter:    16px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        #121316;
    --surface:   #1b1d21;
    --border:    #2c2f35;
    --text:      #e8e9ec;
    --muted:     #a0a3ab;
    --accent:    #9dc0ef;
    --accent-bg: #18222f;
    --warn:      #e0b070;
    --warn-bg:   #26200f;
  }
}
:root[data-theme="dark"] {
  --bg:#121316; --surface:#1b1d21; --border:#2c2f35; --text:#e8e9ec;
  --muted:#a0a3ab; --accent:#9dc0ef; --accent-bg:#18222f;
  --warn:#e0b070; --warn-bg:#26200f;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", Pretendard,
               "Noto Sans KR", "Malgun Gothic", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: break-word;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.wrap.wide { max-width: 62rem; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: var(--gutter); top: 8px; background: var(--bg); padding: 8px 12px;
              border: 1px solid var(--border); z-index: 10; }

/* 머리말 */
header.site { border-bottom: 1px solid var(--border); background: var(--bg); }
header.site .bar {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 20px;
  padding-top: 18px; padding-bottom: 14px;
}
.brand { display: flex; align-items: baseline; gap: 8px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand .ko { font-size: 1.22rem; font-weight: 800; letter-spacing: -.02em; }
.brand .en { font-size: .74rem; color: var(--muted); letter-spacing: .06em;
             text-transform: uppercase; }
.nav { display: flex; flex-wrap: wrap; gap: 14px; margin-left: auto; }
.nav a { font-size: .9rem; color: var(--muted); }
.nav a[aria-current="page"] { color: var(--text); font-weight: 700; }

/* 첫 화면 */
.hero { padding: 48px 0 8px; }
.hero h1 {
  font-size: clamp(1.55rem, 5.2vw, 2.1rem); line-height: 1.38;
  letter-spacing: -.03em; margin: 0 0 18px; font-weight: 800;
}
.lead { font-size: 1.04rem; color: var(--muted); margin: 0 0 14px; }
.lead.en { font-size: .92rem; }

.notice, .pending {
  color: var(--muted); font-size: .93rem;
  border-left: 2px solid var(--border); padding-left: 12px; margin: 14px 0;
}

/* 섹션 카드 */
.cards { display: grid; gap: 12px; margin: 30px 0 60px;
         grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.card {
  display: block; padding: 18px 20px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 10px; color: var(--text);
}
.card:hover { text-decoration: none; border-color: var(--accent); }
.card h3 { margin: 0 0 6px; font-size: 1rem; font-weight: 700; }
.card p { margin: 0; font-size: .9rem; color: var(--muted); line-height: 1.6; }

/* 본문 문서 */
.doc { padding: 40px 0 64px; }
.doc h1 {
  font-size: clamp(1.5rem, 4.6vw, 1.95rem); letter-spacing: -.03em;
  margin: 0 0 16px; font-weight: 800; line-height: 1.35;
}
.doc h1 .en { font-size: .58em; color: var(--muted); font-weight: 500;
              letter-spacing: 0; margin-left: 6px; }
.doc h2 {
  font-size: 1.06rem; font-weight: 700; margin: 36px 0 10px;
  padding-top: 16px; border-top: 1px solid var(--border);
}
.doc p { margin: 0 0 14px; }

.rules { margin: 0 0 14px; padding-left: 1.3em; }
.rules li { margin-bottom: 9px; }

.callout {
  background: var(--accent-bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 18px 20px; margin: 22px 0;
}
.callout h2 { margin: 0 0 10px; border: 0; padding: 0; font-size: 1rem; }
.callout ul { margin: 0; padding-left: 1.2em; }
.callout li { margin-bottom: 7px; }
.callout.warn { background: var(--warn-bg); }
.callout.warn h2 { color: var(--warn); }

/* 목록 */
.list { list-style: none; margin: 22px 0 0; padding: 0; }
.list li {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px;
  padding: 13px 2px; border-bottom: 1px solid var(--border);
}
.list a { font-weight: 600; }

.tag { font-size: .78rem; color: var(--muted); }
.doc > .tag { display: block; margin: -8px 0 16px; }

.badge {
  font-size: .72rem; color: var(--warn); background: var(--warn-bg);
  border: 1px solid var(--border); border-radius: 999px; padding: 2px 9px;
  white-space: nowrap;
}
.badge.block {
  display: block; border-radius: 8px; padding: 11px 14px;
  margin: 16px 0; font-size: .88rem; line-height: 1.6;
}

.up { font-size: .86rem; margin: 0 0 12px; }
.up a { color: var(--muted); }
.updated { margin-top: 40px; font-size: .82rem; color: var(--muted); }

/* 꼬리말 */
footer.site {
  border-top: 1px solid var(--border); background: var(--surface);
  padding: 26px 0 40px; margin-top: 40px;
}
.disclosure { font-size: .86rem; color: var(--muted); margin: 0 0 8px; line-height: 1.7; }
.disclosure.sub { font-size: .82rem; }
footer .meta { font-size: .82rem; color: var(--muted); margin: 14px 0 0; }

@media (max-width: 34rem) {
  body { font-size: 16px; }
  header.site .bar { padding-top: 14px; }
  .nav { margin-left: 0; width: 100%; gap: 12px; }
  .nav a { font-size: .84rem; }
  .hero { padding-top: 34px; }
}

/* ── 로고·브랜드 ─────────────────────────────────────────────── */
.brand { gap: 12px; }
.emblem { width: 40px; height: 40px; flex: 0 0 auto; color: var(--text); }
.brand .words { display: flex; flex-direction: column; line-height: 1.15; }
.brand .ko {
  font-family: AppleMyungjo, "Nanum Myeongjo", "Noto Serif KR", serif;
  font-size: 1.28rem; font-weight: 600; letter-spacing: .01em;
}
.brand .en {
  font-family: Georgia, "Times New Roman", serif;
  font-size: .64rem; letter-spacing: .24em; margin-top: 3px;
}

/* ── 칼럼 ────────────────────────────────────────────────────── */
.kicker {
  font-family: Georgia, serif; font-size: .74rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 6px;
}
.byline { font-size: .86rem; color: var(--muted); margin: -4px 0 18px; }
.note {
  font-size: .84rem; color: var(--muted); background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 14px; margin: 0 0 24px;
}
.column p { margin-bottom: 17px; }

/* ── 참고 문헌 ───────────────────────────────────────────────── */
.refs { margin: 0 0 8px; padding-left: 1.2em; font-size: .93rem; }
.refs li { margin-bottom: 7px; }

@media (max-width: 34rem) {
  .emblem { width: 34px; height: 34px; }
  .brand .ko { font-size: 1.12rem; }
}

/* ── 근거·논문 ───────────────────────────────────────────────── */
.findings { margin: 0 0 14px; padding-left: 1.2em; }
.findings li { margin-bottom: 8px; }
.evidence .callout.warn ul { margin: 0; padding-left: 1.2em; }
.evidence .callout.warn li { margin-bottom: 8px; }

/* ── 제품 정리 ───────────────────────────────────────────────── */
.note.rx { border-color: var(--warn); color: var(--text); }
.note.rx b { color: var(--warn); }
.product .callout.warn p { margin: 0; }
.doc > h2 + .list { margin-top: 10px; }