/* ═══════════════════════════════════════════════════════
   2417 한글금액 — kit-newspaper 변형 "장부(ledger)"
   종이 바탕 · 먹색 잉크 · 인주(朱) 단색 액센트 · 세리프 값 + 산세리프 UI
   괘선으로만 구분(그림자·그라디언트·블러 없음) · 모서리 0~2px
═══════════════════════════════════════════════════════ */
:root {
  --bg: #faf8f3;
  --paper: #ffffff;
  --ink: #16140f;
  --ink-2: #4a463d;
  --ink-3: #7c776b;
  --rule: #d9d4c7;
  --rule-strong: #16140f;
  --accent: #b3261e;          /* 인주 */
  --accent-ink: #ffffff;
  --accent-soft: #f6e7e4;
  --focus: #b3261e;
  --serif: 'Noto Serif KR', 'Nanum Myeongjo', 'AppleMyungjo', Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Pretendard', 'Malgun Gothic', 'Noto Sans KR', sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --w: 880px;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #13120f;
  --paper: #1b1a16;
  --ink: #ece8de;
  --ink-2: #bdb7a8;
  --ink-3: #8b8576;
  --rule: #34312a;
  --rule-strong: #ece8de;
  --accent: #e8735f;
  --accent-ink: #13120f;
  --accent-soft: #2c1d19;
  --focus: #e8735f;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.7;
  -webkit-font-smoothing: antialiased; word-break: keep-all; overflow-wrap: anywhere;
}
a { color: var(--ink); text-decoration-color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.wrap { max-width: var(--w); margin: 0 auto; padding: 0 16px; }

/* ── 제호 ── */
.masthead { border-bottom: 3px double var(--rule-strong); background: var(--bg); }
.masthead .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 58px; }
.brand { display: inline-flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-seal {
  display: inline-grid; place-items: center; width: 30px; height: 30px; align-self: center;
  border: 2px solid var(--accent); color: var(--accent); font-family: var(--serif); font-weight: 900; font-size: 15px; line-height: 1;
}
.brand-name { font-family: var(--serif); font-weight: 900; font-size: 1.28rem; letter-spacing: -0.02em; }
.brand-sub { font-size: .7rem; color: var(--ink-3); letter-spacing: .12em; }
.nav { display: flex; align-items: center; gap: 18px; font-size: .88rem; }
.nav a { text-decoration: none; color: var(--ink-2); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--accent); }
.theme-btn {
  background: none; border: 1px solid var(--rule); color: var(--ink-2); width: 34px; height: 34px; cursor: pointer;
  display: inline-grid; place-items: center; border-radius: 2px;
}
.theme-btn:hover { border-color: var(--ink); color: var(--ink); }
.theme-btn svg { width: 16px; height: 16px; }
@media (max-width: 600px) { .nav a.hide-sm { display: none; } .brand-sub { display: none; } .nav { gap: 12px; } }

/* ── 도구 ── */
main { display: block; }
.tool { margin: 22px auto 0; }
.tabs { display: flex; border-bottom: 1px solid var(--rule-strong); }
.tab {
  appearance: none; background: none; border: 0; border-bottom: 3px solid transparent; margin-bottom: -1px;
  padding: 10px 14px 9px; font: inherit; font-weight: 700; font-size: .95rem; color: var(--ink-3); cursor: pointer;
}
.tab[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }
.panel { padding-top: 18px; }

.field-label { display: block; font-size: .78rem; letter-spacing: .08em; color: var(--ink-3); margin-bottom: 6px; }
.amount-box { display: flex; align-items: stretch; border: 1px solid var(--rule-strong); background: var(--paper); }
.amount-box .cur { display: grid; place-items: center; padding: 0 12px; font-family: var(--serif); font-size: 1.4rem; color: var(--ink-3); border-right: 1px solid var(--rule); }
.amount-box input, .amount-box textarea {
  flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ink); font-family: var(--serif);
  font-size: clamp(1.4rem, 5vw, 2rem); font-weight: 700; padding: 10px 12px; font-variant-numeric: tabular-nums; outline: none;
}
.amount-box:focus-within { outline: 2px solid var(--focus); outline-offset: 1px; }
.amount-box .clear { background: none; border: 0; border-left: 1px solid var(--rule); color: var(--ink-3); padding: 0 14px; cursor: pointer; font-size: 1.1rem; }
.amount-box .clear:hover { color: var(--accent); }
.hint { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; margin-top: 8px; min-height: 1.6em; font-size: .88rem; color: var(--ink-2); }
.hint .man { font-family: var(--serif); color: var(--ink); }
.hint .err { color: var(--accent); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  font: inherit; font-size: .82rem; padding: 3px 10px; border: 1px solid var(--rule); background: var(--paper); color: var(--ink-2); cursor: pointer; border-radius: 2px;
}
.chip:hover { border-color: var(--ink); color: var(--ink); }

.opts { display: grid; grid-template-columns: 1fr; gap: 10px 20px; margin: 18px 0 4px; padding: 12px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
@media (min-width: 640px) { .opts { grid-template-columns: 1fr 1fr; } }
.opt { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: .88rem; color: var(--ink-2); }
.seg { display: inline-flex; border: 1px solid var(--rule-strong); }
.seg button {
  font: inherit; font-size: .8rem; background: var(--paper); color: var(--ink-2); border: 0; padding: 4px 10px; cursor: pointer;
}
.seg button + button { border-left: 1px solid var(--rule-strong); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }

/* 결과 목록: 장부 행 */
.results { margin-top: 6px; }
.row { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 12px 0; border-bottom: 1px solid var(--rule); align-items: center; }
.row .lab { grid-column: 1 / -1; font-size: .74rem; letter-spacing: .1em; color: var(--ink-3); display: flex; gap: 8px; align-items: baseline; }
.row .lab a { color: var(--ink-3); font-size: .72rem; letter-spacing: 0; }
.row .val { font-family: var(--serif); font-size: clamp(1.05rem, 3.6vw, 1.3rem); font-weight: 600; line-height: 1.5; min-width: 0; }
.row .val.en { font-family: var(--serif); font-weight: 500; font-size: 1.02rem; }
.row .val.gj { letter-spacing: .04em; }
.row.primary .val { font-size: clamp(1.25rem, 4.6vw, 1.7rem); font-weight: 800; }
.row.primary { border-bottom: 1px solid var(--rule-strong); }
.copy {
  font: inherit; font-size: .8rem; font-weight: 700; padding: 6px 12px; border: 1px solid var(--ink); background: var(--paper); color: var(--ink);
  cursor: pointer; border-radius: 2px; white-space: nowrap;
}
.copy:hover { background: var(--ink); color: var(--bg); }
.copy.done { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.empty { padding: 26px 0; color: var(--ink-3); font-size: .92rem; text-align: center; border-bottom: 1px solid var(--rule); }

.reading { margin-top: 24px; }
.reading h2 { font-family: var(--serif); font-size: 1.05rem; margin: 0 0 4px; padding-bottom: 6px; border-bottom: 2px solid var(--rule-strong); display: flex; justify-content: space-between; align-items: baseline; }
.reading h2 a { font-family: var(--sans); font-size: .78rem; font-weight: 400; color: var(--ink-3); }
.rgrid { display: grid; grid-template-columns: 1fr; margin: 0; }
@media (min-width: 640px) { .rgrid { grid-template-columns: 1fr 1fr; column-gap: 24px; } }
.rgrid > div { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--rule); font-size: .9rem; }
.rgrid dt { color: var(--ink-3); white-space: nowrap; }
.rgrid dd { margin: 0; font-family: var(--serif); font-weight: 600; text-align: right; }

.rev-out { margin-top: 16px; border-top: 1px solid var(--rule-strong); }
.rev-big { font-family: var(--serif); font-size: clamp(1.7rem, 7vw, 2.6rem); font-weight: 800; font-variant-numeric: tabular-nums; }

/* ── 광고 (래퍼에 radius·overflow 금지) ── */
.ad-wrap { margin: 30px auto 0; }
.ad-grid { display: flex; flex-direction: column; align-items: center; gap: 14px; width: 100%; max-width: 672px; margin: 0 auto; }
.ad-grid[data-ad-layout="mixed"] { max-width: 760px; }
.ad-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; width: 100%; }
.ad-cell { max-width: 100%; }
.ad-row.ad-mo { display: none; }
.ad-row.ad-pc { display: flex; }
.ad-row.ad-any { display: flex; }
@media (max-width: 719px) { .ad-row.ad-pc { display: none; } .ad-row.ad-mo { display: flex; } }

/* ── 문서(가이드·소개) ── */
.doc { margin: 28px auto 0; }
.crumbs { font-size: .8rem; color: var(--ink-3); margin-bottom: 10px; }
.crumbs a { color: var(--ink-3); }
.doc-head { border-top: 4px solid var(--rule-strong); border-bottom: 1px solid var(--rule-strong); padding: 16px 0 14px; margin-bottom: 20px; }
.kicker { font-size: .74rem; letter-spacing: .14em; color: var(--accent); font-weight: 700; }
.doc h1 { font-family: var(--serif); font-size: clamp(1.7rem, 5.5vw, 2.4rem); font-weight: 900; line-height: 1.25; letter-spacing: -0.02em; margin: 6px 0 8px; }
.meta { font-size: .8rem; color: var(--ink-3); }
.prose { font-size: 1.02rem; }
.prose .lead { font-family: var(--serif); font-size: 1.12rem; color: var(--ink); line-height: 1.8; border-left: 3px solid var(--accent); padding-left: 14px; }
.prose h2 { font-family: var(--serif); font-size: 1.35rem; margin: 2.1em 0 .6em; padding-bottom: 6px; border-bottom: 1px solid var(--rule-strong); }
.prose h3 { font-size: 1.05rem; margin: 1.6em 0 .4em; }
.prose p, .prose li { color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: .25em 0; }
.prose code { font-family: var(--mono); font-size: .9em; background: var(--accent-soft); padding: 1px 5px; }
.tbl-wrap { overflow-x: auto; margin: 1em 0; }
.tbl { border-collapse: collapse; width: 100%; font-size: .92rem; }
.tbl th, .tbl td { border-bottom: 1px solid var(--rule); padding: 8px 10px; text-align: left; vertical-align: top; }
.tbl thead th { border-bottom: 2px solid var(--rule-strong); font-size: .8rem; letter-spacing: .04em; color: var(--ink-2); white-space: nowrap; }
.tbl td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl td.s { font-family: var(--serif); }
.note { border: 1px solid var(--rule-strong); padding: 12px 16px; margin: 1.2em 0; background: var(--paper); }
.note > :first-child { margin-top: 0; } .note > :last-child { margin-bottom: 0; }
.ex { border-left: 3px solid var(--ink); background: var(--paper); padding: 10px 16px; margin: 1.2em 0; font-family: var(--serif); }
.ex p { margin: .3em 0; }
.sources { margin-top: 2.4em; padding-top: 10px; border-top: 1px solid var(--rule); font-size: .85rem; color: var(--ink-2); }
.sources h2 { font-size: .8rem; letter-spacing: .1em; color: var(--ink-3); margin: 0 0 6px; font-family: var(--sans); border: 0; }
.sources ul { margin: 0; padding-left: 1.2em; }
.faq h3 { font-family: var(--serif); }
.cta { display: inline-block; margin-top: 8px; padding: 8px 16px; background: var(--ink); color: var(--bg); text-decoration: none; font-weight: 700; border-radius: 2px; }
.cta:hover { background: var(--accent); color: var(--accent-ink); }

.cards { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--rule-strong); }
@media (min-width: 680px) { .cards { grid-template-columns: 1fr 1fr; column-gap: 28px; } }
.cards li { border-bottom: 1px solid var(--rule); padding: 14px 0; }
.cards .no { font-family: var(--serif); color: var(--accent); font-weight: 700; margin-right: 6px; }
.cards a { font-family: var(--serif); font-weight: 700; font-size: 1.08rem; text-decoration: none; }
.cards a:hover { text-decoration: underline; }
.cards p { margin: 4px 0 0; font-size: .9rem; color: var(--ink-2); }
.related { margin-top: 2.4em; }
.related h2 { font-size: .8rem !important; letter-spacing: .1em; color: var(--ink-3); border: 0 !important; font-family: var(--sans) !important; margin-bottom: 4px !important; }

/* ── 푸터 ── */
.foot { margin-top: 48px; border-top: 3px double var(--rule-strong); padding: 18px 0 40px; font-size: .84rem; color: var(--ink-3); }
.foot .links { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-bottom: 8px; }
.foot a { color: var(--ink-2); text-decoration: none; }
.foot a:hover { color: var(--accent); }

/* ── 긴 수(최대 72자리) 대응: 좁은 화면에서 가로 넘침 없이 줄바꿈 ── */
.row .val, .rev-big, .hint .man, .hint span, .rgrid dd { overflow-wrap: anywhere; }
.rgrid > div { min-width: 0; }
.rgrid dd { min-width: 0; }
.amount-box input.long { font-size: clamp(1rem, 3.4vw, 1.3rem); }
.amount-box input.xlong { font-size: clamp(.86rem, 2.6vw, 1.05rem); }
.rev-big.long { font-size: clamp(1.1rem, 4.4vw, 1.6rem); }
.row.altrow .val { font-family: var(--sans); font-size: .95rem; font-weight: 600; }
.row.altrow small { display: block; margin-top: 4px; font-size: .78rem; font-weight: 400; color: var(--ink-3); line-height: 1.5; }
.row.altrow { grid-template-columns: 1fr; }
.limit { margin: 2px 0 0; font-size: .76rem; color: var(--ink-3); }
.tbl td { word-break: keep-all; }
.tbl.units { min-width: 640px; }