/* 프로그램·자동화 상품 공통 디자인(업무 도구용) — shared/design/tokens.json 의 브랜드를 업무 화면에 맞게 낮춘 판.
   각 견본은 이 파일을 복사해 쓰고, 업종 색은 --brand 하나만 바꾼다. (견본마다 따로 배포하므로 복사본을 둔다)
   원칙: 흰 바탕 + 숯색 글자 + 강조색 하나. 둥근 모서리 8px 이하, 그림자 거의 없음, 카드 대신 줄·표·구분선. */
:root {
  --bg: #ffffff;
  --paper: #f6f6f4;
  --ink: #16171b;
  --ink-2: #33353c;
  --muted: #5c5f68;
  --faint: #8b8e96;
  --line: #e4e4e7;
  --line-2: #d4d4d9;
  --navy: #1d2b4f;
  --brand: #1f4bff;
  --brand-ink: #ffffff;
  --brand-soft: #eef2ff;
  --danger: #c5221f;
  --danger-soft: #fdecea;
  --warn: #8a5a00;
  --warn-soft: #fbf4e4;
  --ok: #1e7a46;
  --ok-soft: #e8f3ec;
  --r: 8px;
  --r-sm: 6px;
  --ease: cubic-bezier(.32, .72, 0, 1);
  --font: 'Pretendard Variable', Pretendard, -apple-system, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  color-scheme: light;
}
* { 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(--font); font-size: 16px; line-height: 1.6; letter-spacing: -0.012em; word-break: keep-all; overflow-wrap: anywhere; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

.sample-bar { background: var(--ink); color: #d9dbe1; font-size: 13px; text-align: center; padding: 8px 16px; line-height: 1.4; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
@media (min-width: 900px) { .wrap { padding: 0 40px; } }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 20px; border-radius: var(--r); border: 1px solid var(--line-2); background: #fff; font-weight: 650; font-size: 16px; text-decoration: none; white-space: nowrap; transition: background .18s, border-color .18s; }
.btn:hover { border-color: var(--ink); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.primary:hover { background: #000; }
.btn small { font-weight: 500; opacity: .7; font-size: 13px; }
.tlink { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink-2); font-weight: 600; text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--line-2); }
.tlink:hover { text-decoration-color: var(--ink); }
button.tlink { border: 0; background: none; padding: 0; cursor: pointer; font: inherit; font-weight: 600; }

.eyebrow { font-size: 14px; font-weight: 650; color: var(--muted); letter-spacing: 0; margin: 0 0 12px; }
h1, h2, h3 { margin: 0; letter-spacing: -0.03em; line-height: 1.22; }
.h1 { font-size: clamp(34px, 6.4vw, 64px); font-weight: 800; }
.h2 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 780; }
.h3 { font-size: 20px; font-weight: 720; }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); max-width: 46em; margin: 20px 0 0; }
.section { padding: 88px 0; border-top: 1px solid var(--line); }
@media (min-width: 900px) { .section { padding: 128px 0; } }
.section-head { display: grid; gap: 14px; margin-bottom: 40px; max-width: 760px; }
.section-head p { margin: 0; color: var(--ink-2); font-size: 17px; }

/* 숫자 흐름: 받은 줄 → 겹친 줄 → 결과 */
.flow { display: grid; grid-template-columns: 1fr; gap: 0; margin-top: 48px; border-top: 2px solid var(--ink); }
.flow > div { padding: 18px 0; border-bottom: 1px solid var(--line); display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.flow b { font-size: clamp(30px, 4.4vw, 48px); font-weight: 800; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.flow span { color: var(--muted); font-size: 15px; }
@media (min-width: 760px) {
  .flow { grid-template-columns: repeat(4, 1fr); }
  .flow > div { display: block; padding: 22px 20px 22px 0; border-bottom: 0; border-right: 1px solid var(--line); }
  .flow > div:last-child { border-right: 0; }
  .flow > div + div { padding-left: 20px; }
  .flow span { display: block; margin-top: 6px; }
}
.flow .is-result b { color: var(--brand); }

/* 탭(파일·시트 고르기) */
.tabs { display: flex; gap: 0; overflow-x: auto; scrollbar-width: none; border-bottom: 1px solid var(--line); margin-bottom: 0; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { flex: none; border: 0; background: none; padding: 14px 16px; min-height: 48px; font-weight: 650; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs button[aria-selected="true"] { color: var(--ink); border-color: var(--ink); }
.tabs button:hover { color: var(--ink); }

.viewer { display: grid; gap: 28px; padding-top: 28px; }
@media (min-width: 980px) { .viewer { grid-template-columns: minmax(0, 1fr) 300px; align-items: start; } }
.shot { border: 1px solid var(--line-2); border-radius: var(--r-sm); overflow: hidden; background: var(--paper); }
.shot a { display: block; }
.shot img { width: 100%; height: auto; }
.shot-cap { font-size: 13px; color: var(--muted); margin-top: 10px; }
.note h3 { margin-bottom: 10px; }
.note p { margin: 0 0 12px; color: var(--ink-2); }
.note ul { margin: 0; padding: 0; list-style: none; }
.note li { padding: 10px 0; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 15px; }
.note li b { color: var(--ink); }
.note .dl { margin-top: 18px; }

/* 규칙 목록(카드 대신 번호 줄) */
.rules { list-style: none; margin: 0; padding: 0; counter-reset: r; border-top: 2px solid var(--ink); }
.rules li { counter-increment: r; display: grid; grid-template-columns: 44px 1fr; gap: 8px 16px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.rules li::before { content: counter(r, decimal-leading-zero); font-weight: 750; color: var(--faint); font-variant-numeric: tabular-nums; padding-top: 2px; }
.rules b { display: block; font-size: 18px; margin-bottom: 4px; }
.rules span { color: var(--ink-2); }
@media (min-width: 900px) { .rules li { grid-template-columns: 64px 320px 1fr; } .rules b { margin: 0; } }

/* 표 */
.table-wrap { overflow-x: auto; border-top: 2px solid var(--ink); }
table.t { width: 100%; border-collapse: collapse; font-size: 15px; font-variant-numeric: tabular-nums; }
table.t th, table.t td { padding: 12px 14px 12px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.t th { font-weight: 650; color: var(--muted); font-size: 14px; }
table.t td.n, table.t th.n { text-align: right; }
table.t tr.total td { font-weight: 750; border-bottom: 2px solid var(--ink); }
.pill { display: inline-block; font-size: 13px; font-weight: 650; padding: 2px 8px; border-radius: 4px; }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--danger-soft); color: var(--danger); }

/* 상품 정보 줄 */
.spec { display: grid; grid-template-columns: 1fr; border-top: 2px solid var(--ink); }
.spec > div { display: grid; grid-template-columns: 112px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.spec dt { color: var(--muted); font-weight: 600; margin: 0; }
.spec dd { margin: 0; }
@media (min-width: 900px) { .spec { grid-template-columns: 1fr 1fr; column-gap: 48px; } }

.foot { padding: 40px 0 56px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.foot p { margin: 4px 0; }