/* 회사 블로그(/blog, 2026-10-25) — styles.css, styles-nav.css, styles-product.css 뒤에 불러온다. 페이지는 tools/build-blog.py가 만든다.
   「여백 주석형」(사용자 결정): 가운데 한 단(680px)에 본문만 두고, 넓은 화면(1240px~)에서는
   왼쪽 여백에 글 정보와 따라오는 차례, 오른쪽 여백에 그림 설명과 곁주를 둔다. 좁아지면 한 단으로 모이고 차례는 접힌다. */
.blog { --rail: 180px; --col: 680px; --side: 180px; --cg: 48px; max-width: 1320px; margin: 0 auto; padding: 0 var(--gutter) 96px; }

/* ---------- 글 ---------- */
.post-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 20; pointer-events: none; }
.post-progress span { display: block; height: 100%; background: var(--mint); transform: scaleX(0); transform-origin: 0 50%; }

.post { max-width: var(--col); margin: 0 auto; padding-top: 40px; }
.post__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.post__back { display: inline-flex; align-items: center; gap: 4px; margin-right: 6px; font-weight: 600; color: var(--fg); text-decoration: none; }
.post__back:hover { color: var(--coral-ink); }
.post__head { display: flex; flex-direction: column; gap: 18px; padding: 18px 0 36px; }
.post__title { font-family: var(--font-point); font-size: 38px; line-height: 1.35; font-weight: 700; letter-spacing: -.3px; text-wrap: balance; word-break: keep-all; }
.post__lead { font-size: 17.5px; line-height: 1.8; color: var(--muted); word-break: keep-all; text-wrap: pretty; }

/* 차례 */
.post__toc { margin: 0 0 8px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 14px; }
.post__toc summary { padding: 14px 0; font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; }
.post__toc summary::-webkit-details-marker { display: none; }
.post__toc summary::after { content: "펼치기"; font-size: 12.5px; font-weight: 600; color: var(--muted); }
.post__toc[open] summary::after { content: "접기"; }
.post__toc ol { margin: 0; padding: 0 0 14px; list-style: none; display: flex; flex-direction: column; gap: 2px; }
.post__toc a { display: flex; gap: 10px; padding: 6px 0; line-height: 1.5; color: var(--muted); text-decoration: none; word-break: keep-all; }
.post__toc a span { flex-shrink: 0; width: 20px; font-size: 12px; font-weight: 700; padding-top: 2px; font-variant-numeric: tabular-nums; }
.post__toc a:hover, .post__toc a[aria-current] { color: var(--fg); }
.post__toc a[aria-current] span { color: var(--coral-ink); }

/* 본문 */
.post__body { position: relative; padding: 8px 0 8px; font-size: 17.5px; line-height: 1.95; word-break: keep-all; }
.post__body > * { margin: 24px 0 0; }
.post__body h2 { margin-top: 64px; font-family: var(--font-point); font-size: 25px; line-height: 1.45; font-weight: 700; text-wrap: balance; scroll-margin-top: 96px; }
.post__num { display: block; margin-bottom: 10px; font-family: var(--font-body); font-size: 12.5px; font-weight: 700; letter-spacing: .5px; color: var(--coral-ink); font-variant-numeric: tabular-nums; }
.post__num::after { content: ""; display: inline-block; width: 28px; height: 1px; margin-left: 10px; vertical-align: middle; background: currentColor; opacity: .5; }
.post__body h3 { margin-top: 40px; font-size: 18px; font-weight: 700; }
.post__body ul, .post__body ol { padding-left: 1.3em; }
.post__body li + li { margin-top: 8px; }
.post__body li::marker { color: var(--coral-ink); }
.post__body strong { font-weight: 700; background: linear-gradient(transparent 62%, rgba(125, 202, 181, .38) 62%); }
.post__body blockquote { padding: 2px 0 2px 22px; border-left: 3px solid var(--mint); font-family: var(--font-point); font-size: 19px; line-height: 1.8; }
.post__body blockquote p { margin: 0; }
.post__body code { padding: 2px 6px; border-radius: 5px; background: var(--hover); font-size: .88em; }
.post__body pre { padding: 16px 18px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); overflow-x: auto; font-size: 14px; line-height: 1.7; }
.post__body pre code { padding: 0; background: none; }
.post__body figure { margin-top: 36px; margin-bottom: 12px; }
.post__body figure img { display: block; width: 100%; height: auto; border-radius: 6px; }
.post__body figcaption { margin-top: 10px; font-size: 13.5px; line-height: 1.6; color: var(--muted); }
.post__body hr { margin-top: 48px; border: 0; text-align: center; }
.post__body hr::before { content: "\2022\2002\2022\2002\2022"; color: var(--muted); letter-spacing: 4px; }
.post__body > p:last-child::after { content: ""; display: inline-block; width: 9px; height: 9px; margin-left: 8px; border-radius: 50%; background: var(--coral); vertical-align: baseline; }
.post__pair > :first-child { margin: 0; }
.post__body > .post__pair:last-child > p::after { content: ""; display: inline-block; width: 9px; height: 9px; margin-left: 8px; border-radius: 50%; background: var(--coral); }
.post__note { margin-top: 16px; padding: 14px 16px; border-left: 2px solid var(--mint); background: var(--card); font-size: 14px; line-height: 1.75; color: var(--muted); }

.post__foot { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); }
.post__asof { margin: 0 0 20px; padding: 12px 16px; border-radius: 8px; background: var(--card); border: 1px solid var(--line); font-size: 14px; line-height: 1.6; color: var(--muted); word-break: keep-all; }
.post__body .post__src-head { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); font-family: var(--font-body); font-size: 14px; font-weight: 700; }
.post__src-head ~ ul, .post__src-head ~ ol { margin-top: 12px; font-size: 14px; line-height: 1.7; color: var(--muted); }
.post__src-head ~ ul a, .post__src-head ~ ol a { overflow-wrap: anywhere; }

.blog-pager { max-width: var(--col); margin: 48px auto 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.blog-pager a { display: flex; flex-direction: column; gap: 6px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 12px; font-size: 15px; font-weight: 600; line-height: 1.5; text-decoration: none; word-break: keep-all; }
.blog-pager a:hover { border-color: var(--fg); color: var(--fg); }
.blog-pager span { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.blog-pager__next { text-align: right; grid-column: 2; }
.blog-related { max-width: var(--col); margin: 64px auto 0; }
.blog-related h2 { padding-bottom: 14px; border-bottom: 1px solid var(--line); font-size: 15px; font-weight: 700; }
.blog-related .blog-list__item { grid-template-columns: minmax(0, 1fr); grid-template-areas: "link" "tags"; }
.blog-related .blog-list__thumb { display: none; }
.blog-related .blog-list__title { font-size: 19px; }

/* 넓은 화면: 3단(왼쪽 여백, 본문, 오른쪽 여백). 바깥 여백을 줄여 본문 680px을 지킨다(1240px에서 180+48+680+48+180+48x2) */
@media (min-width: 1240px) {
  .blog { max-width: 1440px; padding-left: 48px; padding-right: 48px; }
  .post { max-width: none; display: grid; grid-template-columns: var(--rail) minmax(0, var(--col)) var(--side); column-gap: var(--cg); justify-content: center; padding-top: 64px; }
  .post__meta { grid-column: 1; grid-row: 1; flex-direction: column; align-items: flex-start; gap: 6px; padding-top: 30px; border-top: 2px solid var(--fg); }
  .post__back { margin: 0 0 18px; }
  .post__head { grid-column: 2; grid-row: 1; padding-top: 22px; }
  .post__asof { grid-column: 2; margin: 0 0 20px; }
  .post__toc { grid-column: 1; grid-row: 2 / span 3; align-self: start; position: sticky; top: 104px; margin: 8px 0 0; border: 0; }
  .post__toc summary { pointer-events: none; padding: 0 0 12px; font-size: 12.5px; color: var(--muted); }
  .post__toc summary::after, .post__toc[open] summary::after { content: none; }
  .post__toc ol { border-left: 1px solid var(--line); padding: 0; }
  .post__toc a { padding: 6px 0 6px 14px; margin-left: -1px; border-left: 2px solid transparent; font-size: 13.5px; }
  .post__toc a[aria-current] { border-left-color: var(--coral); }
  .post__body { grid-column: 2; border-top: 1px solid var(--line); padding-top: 12px; }
  .post__foot { grid-column: 2; }
  /* 그림 설명과 곁주는 오른쪽 여백으로 */
  .post__body figure { position: relative; }
  .post__body figcaption { position: absolute; top: 0; left: calc(100% + var(--cg)); width: var(--side); margin: 0; padding-top: 10px; border-top: 1px solid var(--line); }
  .post__pair { position: relative; }
  .post__note { position: absolute; top: 0; left: calc(100% + var(--cg)); width: var(--side); margin-top: 6px; padding: 10px 0 0; border-left: 0; border-top: 1px solid var(--mint); background: none; font-size: 13.5px; line-height: 1.7; }
}

/* ---------- 목록 ---------- */
.blog-hero { padding: 64px 0 40px; max-width: 720px; display: flex; flex-direction: column; gap: 18px; }
.blog-hero__title { font-family: var(--font-point); font-size: 40px; line-height: 1.3; font-weight: 700; letter-spacing: -.4px; text-wrap: balance; word-break: keep-all; }
.blog-hero__lead { font-size: 17px; line-height: 1.8; color: var(--muted); word-break: keep-all; }

.blog-rail { display: flex; flex-direction: column; gap: 16px; padding: 20px 0; border-top: 1px solid var(--line); }
.blog-search input { width: 100%; height: 40px; padding: 0 16px; border: 1px solid var(--line); border-radius: 99px; background: var(--card); color: var(--fg); font: inherit; font-size: 14px; }
.blog-search input:focus { outline: none; border-color: var(--fg); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.blog-chips { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; }
.blog-chips::-webkit-scrollbar { display: none; }
.blog-chips a { flex-shrink: 0; padding: 7px 14px; border: 1px solid var(--line); border-radius: 99px; background: var(--card); font-size: 13.5px; font-weight: 600; text-decoration: none; white-space: nowrap; }
.blog-chips a:hover { border-color: var(--fg); color: var(--fg); }
.blog-chips a[aria-pressed="true"] { background: var(--fg); border-color: var(--fg); color: var(--bg); }
.blog-cloud { display: none; }
.blog-cloud p { margin-bottom: 10px; font-size: 12.5px; font-weight: 700; color: var(--muted); }
.blog-cloud .blog-tag span { margin-left: 3px; font-size: 11px; opacity: .7; }

.blog-status { padding: 16px 0 0; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; }
.blog-status button { padding: 4px 12px; border: 1px solid var(--line); border-radius: 99px; background: none; color: var(--muted); font: inherit; font-size: 12.5px; cursor: pointer; }
.blog-status button:hover { border-color: var(--fg); color: var(--fg); }

.blog-list { margin: 0; padding: 0; list-style: none; }
.blog-list__item { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-areas: "link" "tags"; column-gap: 20px; row-gap: 10px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.blog-list__item--thumb { grid-template-columns: minmax(0, 1fr) 96px; grid-template-areas: "link thumb" "tags tags"; }
.blog-list__item[hidden] { display: none; }
.blog-list__link { grid-area: link; display: flex; flex-direction: column; gap: 8px; text-decoration: none; }
.blog-list__link:hover .blog-list__title { color: var(--coral-ink); }
.blog-list__thumb { grid-area: thumb; width: 96px; height: 72px; object-fit: cover; border-radius: 6px; }
.blog-list__title { font-family: var(--font-point); font-size: 21px; line-height: 1.45; font-weight: 700; color: var(--fg); word-break: keep-all; text-wrap: pretty; }
.blog-list__desc { font-size: 15px; line-height: 1.75; color: var(--muted); word-break: keep-all; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.blog-list .blog-tags { grid-area: tags; }

.blog-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.blog-cat { font-weight: 700; color: var(--coral-ink); text-decoration: none; }
.blog-tags { display: flex; flex-wrap: wrap; gap: 6px 12px; }
.blog-tag { font-size: 13px; color: var(--muted); text-decoration: none; }
.blog-tag:hover { color: var(--coral-ink); }
.blog-empty { padding: 40px 0; font-size: 15px; color: var(--muted); }
.blog-hero + .blog-empty { border-top: 1px solid var(--line); }
.blog-feed { margin-top: 32px; font-size: 13.5px; color: var(--muted); }

@media (min-width: 1240px) {
  .blog--index { display: grid; grid-template-columns: var(--rail) minmax(0, calc(var(--col) + var(--cg) + var(--side))); column-gap: var(--cg); justify-content: center; align-items: start; }
  .blog--index > .blog-hero, .blog--index > .blog-empty { grid-column: 2; }
  .blog-rail { grid-column: 1; position: sticky; top: 104px; gap: 24px; padding-top: 28px; border-top: 2px solid var(--fg); }
  .blog-chips { flex-direction: column; gap: 2px; overflow: visible; }
  .blog-chips a { padding: 6px 0; border: 0; border-radius: 0; background: none; color: var(--muted); }
  .blog-chips a:hover { color: var(--fg); }
  .blog-chips a[aria-pressed="true"] { background: none; color: var(--fg); }
  .blog-chips a[aria-pressed="true"]::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--coral); vertical-align: middle; }
  .blog-cloud { display: block; }
  .blog-main { grid-column: 2; border-top: 1px solid var(--line); }
  .blog-list__item { grid-template-columns: minmax(0, var(--col)); padding: 36px 0; column-gap: var(--cg); }
  .blog-list__item--thumb { grid-template-columns: minmax(0, var(--col)) var(--side); grid-template-areas: "link thumb" "tags thumb"; }
  .blog-list__thumb { width: var(--side); height: 130px; }
  .blog-list__title { font-size: 24px; }
}

/* ---------- 홈 최근 글(public/index.html, build-blog.py가 채움) ---------- */
.home-blog { padding: 0 96px 72px; }
.home-blog__list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.home-blog__list a { display: flex; flex-direction: column; gap: 8px; padding: 24px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.home-blog__list a:hover .home-blog__title { color: var(--coral-ink); }
.home-blog__title { font-family: var(--font-point); font-size: 20px; line-height: 1.45; font-weight: 700; word-break: keep-all; }
.home-blog__all { display: inline-block; margin-top: 24px; font-size: 14px; font-weight: 600; }

@media (max-width: 900px) {
  .blog { padding: 0 28px 72px; }
  .home-blog { padding: 0 28px 56px; }
  .blog-hero__title { font-size: 32px; }
  .post__title { font-size: 30px; }
}
@media (max-width: 480px) {
  .blog { padding: 0 16px 64px; }
  .home-blog { padding: 0 16px 48px; }
  .blog-hero { padding: 44px 0 32px; }
  .blog-hero__title { font-size: 27px; }
  .post { padding-top: 28px; }
  .post__title { font-size: 26px; }
  .post__lead { font-size: 16.5px; }
  .post__body { font-size: 17px; line-height: 1.9; }
  .post__body h2 { margin-top: 52px; font-size: 22px; }
  .blog-list__title { font-size: 19px; }
  .blog-pager { grid-template-columns: 1fr; }
  .blog-pager__next { grid-column: auto; text-align: left; }
}

/* ---------- 댓글 (2026-10-25) — 본문 폭에 맞춘 한 단. 이름과 내용만 받고, 회사 답글은 댓글 아래에 들여서 보인다 ---------- */
.cmt { max-width: var(--col); margin: 64px auto 0; padding-top: 28px; border-top: 1px solid var(--line); }
.cmt h2 { margin: 0 0 6px; font-family: var(--font-point); font-size: 22px; line-height: 1.4; }
.cmt h2 span { font-family: var(--font-body); font-size: 15px; font-weight: 600; color: var(--muted); margin-left: 6px; }
.cmt__lead { margin: 0 0 20px; font-size: 14.5px; line-height: 1.7; color: var(--muted); }
.cmt__list { list-style: none; margin: 0 0 28px; padding: 0; }
.cmt__item { padding: 16px 0; border-bottom: 1px solid var(--line); }
.cmt__head { display: flex; align-items: baseline; gap: 10px; margin: 0 0 6px; font-size: 14px; }
.cmt__head time { font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.cmt__body { margin: 0; font-size: 15.5px; line-height: 1.8; white-space: pre-wrap; word-break: break-word; }
.cmt__reply { margin: 12px 0 0 14px; padding: 10px 0 2px 16px; border-left: 2px solid var(--mint); }
.cmt__empty { margin: 0; font-size: 14.5px; color: var(--muted); }
.cmt__form { display: grid; gap: 10px; }
.cmt__form[hidden] { display: none; }
.cmt__form input[name="name"], .cmt__form textarea { width: 100%; box-sizing: border-box; padding: 11px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--fg); font: inherit; font-size: 16px; line-height: 1.7; }
.cmt__form input[name="name"] { max-width: 240px; }
.cmt__form textarea { min-height: 110px; resize: vertical; }
.cmt__form input:focus, .cmt__form textarea:focus { outline: 2px solid var(--mint); outline-offset: 1px; }
.cmt__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.cmt__row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.cmt__form button { padding: 10px 22px; border: 0; border-radius: 999px; background: var(--fg); color: var(--bg); font: inherit; font-size: 15px; font-weight: 600; cursor: pointer; }
.cmt__form button:disabled { opacity: .5; cursor: default; }
.cmt__msg { font-size: 14px; color: var(--muted); }
.cmt__msg[data-bad="1"] { color: var(--coral-ink); }
.cmt__note { margin: 0; font-size: 12.5px; color: var(--muted); }

/* 블로그 페이지 상단의 어드민 입구 — 눈에 띄지 않게(2026-10-25) */
.nav__admin { margin-right: 14px; font-size: 13px; color: var(--muted); text-decoration: none; }
.nav__admin:hover { color: var(--fg); }
@media (max-width: 640px) { .nav__admin { margin-right: 10px; } }