/* whchoi98.github.io - 목업(Tech blog design options) 기반 커스텀 테마 */

:root {
  --t-bg: #fafafa;
  --t-surface: #ffffff;
  --t-text: #000716;
  --t-text2: #414d5c;
  --t-text3: #879196;
  --t-border: #e9ebed;
  --t-link: #0972d3;
  --t-chip-bg: #f4f4f4;
  --t-chip-border: #e9ebed;
  --t-chip-text: #414d5c;
  --t-shadow: 0 1px 1px rgba(0,7,22,.05), 0 1px 8px rgba(0,7,22,.10);
  --t-footer: #ffffff;
  --t-info-bg: #f2f8fd;
  --t-info-bd: #0972d3;
  --t-warn-bg: #fffbf2;
  --t-warn-bd: #8d6605;
  --t-code-bg: #0d1826;
  --segl-bg: #fff;
  --segl-c: #16191f;
  --segd-bg: transparent;
  --segd-c: rgba(255,255,255,.75);
  --navy: #0f1b2d;
  --orange: #ff9900;
  --sans: 'Pretendard Variable', Pretendard, 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --mono: ui-monospace, Menlo, Consolas, 'D2Coding', monospace;
}
html.dark {
  --t-bg: #0f1b2d;
  --t-surface: #1a2537;
  --t-text: #f2f3f3;
  --t-text2: #a5b1bd;
  --t-text3: #7c8794;
  --t-border: rgba(255,255,255,.12);
  --t-link: #539fe5;
  --t-chip-bg: rgba(255,255,255,.08);
  --t-chip-border: rgba(255,255,255,.14);
  --t-chip-text: #d5dbdb;
  --t-shadow: 0 1px 1px rgba(0,0,0,.25), 0 1px 8px rgba(0,0,0,.35);
  --t-footer: #161e2d;
  --t-info-bg: rgba(9,114,211,.12);
  --t-info-bd: #539fe5;
  --t-warn-bg: rgba(255,153,0,.10);
  --t-warn-bd: #ff9900;
  --segl-bg: transparent;
  --segl-c: rgba(255,255,255,.75);
  --segd-bg: #fff;
  --segd-c: #16191f;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--t-bg);
  color: var(--t-text);
  transition: background 180ms cubic-bezier(.4,0,.2,1);
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { color: var(--t-link); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; }

/* ---------- Top bar / header ---------- */
.site-header { background: var(--navy); }
.topbar { height: 56px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: baseline; gap: 2px; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-name { font-weight: 800; font-size: 19px; color: #fff; }
.brand-tld { font-weight: 400; font-size: 13px; color: #879196; }
.topnav { display: flex; gap: 22px; font-size: 14px; }
.topnav a { color: rgba(255,255,255,.8); }
.topnav a:hover { color: #fff; text-decoration: none; }
.topnav a.active { color: #fff; border-bottom: 2px solid var(--orange); padding-bottom: 2px; }
.topbar-spacer { flex: 1; }
#home-search {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 8px 16px;
  width: 200px;
  font-size: 13px;
  color: #fff;
  outline: none;
  font-family: inherit;
}
#home-search::placeholder { color: rgba(255,255,255,.5); }
/* ---------- 한/영 토글 ---------- */
.l-en { display: none; }
html.lang-en .l-ko { display: none; }
html.lang-en .l-en { display: inline; }
.lang-seg { display: flex; background: rgba(255,255,255,.08); border-radius: 999px; padding: 3px; }
.seg-ko { color: var(--segd-c); background: var(--segd-bg); }
.seg-en { color: var(--segl-c); background: var(--segl-bg); }
html:not(.lang-en) .seg-ko { color: var(--segl-c); background: var(--segl-bg); }
html:not(.lang-en) .seg-en { color: var(--segd-c); background: transparent; }
html.lang-en .seg-ko { color: var(--segd-c); background: transparent; }
html.lang-en .seg-en { color: var(--segl-c); background: var(--segl-bg); }

.theme-seg { display: flex; background: rgba(255,255,255,.08); border-radius: 999px; padding: 3px; }
.seg {
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  border: 0;
  border-radius: 999px;
  padding: 4px 12px;
  font-family: inherit;
  background: transparent;
}
.seg-light { color: var(--segl-c); background: var(--segl-bg); }
.seg-dark { color: var(--segd-c); background: var(--segd-bg); }

/* ---------- Heroes ---------- */
.hero { padding: 44px 0 52px; display: flex; flex-direction: column; gap: 16px; }
.hero-eyebrow { font-weight: 700; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--orange); }
.hero-title { margin: 0; font-weight: 800; font-size: 44px; line-height: 1.1; letter-spacing: -0.01em; color: #fff; max-width: 70%; }
.hero-sub { margin: 0; font-size: 16px; line-height: 1.55; color: rgba(255,255,255,.75); max-width: 56%; }

.post-hero { padding: 36px 0 44px; display: flex; flex-direction: column; gap: 14px; }
.crumb { font-size: 13px; color: rgba(255,255,255,.6); }
.crumb a, .crumb span { color: rgba(255,255,255,.6); }
.post-hero-title { margin: 0; font-weight: 800; font-size: 36px; line-height: 1.15; letter-spacing: -0.01em; color: #fff; max-width: 80%; }
.post-hero-meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.meta-light { font-size: 13px; color: rgba(255,255,255,.65); }
.chip-dark { color: #d5dbdb; background: rgba(255,255,255,.08); border: 0; }

.page-hero { padding: 36px 0 40px; display: flex; flex-direction: column; gap: 10px; }
.page-hero-title { margin: 0; font-weight: 800; font-size: 32px; letter-spacing: -0.01em; color: #fff; }
.page-hero-sub { margin: 0; font-size: 15px; color: rgba(255,255,255,.7); }

.doc-hero { padding: 28px 0 34px; display: flex; flex-direction: column; gap: 10px; }
.doc-hero-title { margin: 0; font-weight: 800; font-size: 28px; letter-spacing: -0.01em; color: #fff; }

.about-hero { padding: 44px 0 48px; display: flex; gap: 28px; align-items: center; }
.avatar {
  width: 120px; height: 120px; border-radius: 50%; flex: none;
  background: linear-gradient(118deg, #2a4e6e, #ff9900);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 34px; color: #fff;
}
.about-hero-text { display: flex; flex-direction: column; gap: 8px; }
.about-cta { display: flex; gap: 10px; margin-top: 6px; }
.btn-primary { background: var(--orange); color: #16191f; font-weight: 700; font-size: 13px; padding: 10px 18px; border-radius: 999px; }
.btn-primary:hover { text-decoration: none; filter: brightness(1.05); }
.btn-ghost { background: rgba(255,255,255,.10); color: #fff; border: 1px solid rgba(255,255,255,.18); font-weight: 700; font-size: 13px; padding: 10px 18px; border-radius: 999px; }
.btn-ghost:hover { text-decoration: none; }

/* ---------- Cards ---------- */
.card { background: var(--t-surface); border-radius: 16px; box-shadow: var(--t-shadow); }
a.card { text-decoration: none; }
a.card:hover { text-decoration: none; transform: translateY(-2px); transition: transform 120ms; }
a.featured-card { display: block; }

.home-main { padding-top: 32px; }
.home-top { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: start; }
.featured-card { overflow: hidden; }
.featured-cover {
  background: linear-gradient(118deg, #161e2d, #2a4e6e);
  min-height: 220px;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 24px;
}
.featured-badge { align-self: flex-start; background: rgba(20,15,30,.7); color: #fff; font-size: 12px; font-weight: 500; padding: 5px 12px; border-radius: 6px; }
.featured-icon { width: 64px; height: 64px; border-radius: 12px; }
.featured-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.featured-title { font-weight: 700; font-size: 22px; line-height: 1.25; color: var(--t-text); }
.featured-excerpt { font-size: 14px; line-height: 1.55; color: var(--t-text2); }
.read-more { color: #ec7211; font-weight: 700; }

.side-list { display: flex; flex-direction: column; gap: 12px; }
.side-card { padding: 16px 20px; display: flex; gap: 14px; align-items: center; }
.side-icon { width: 36px; height: 36px; border-radius: 8px; flex: none; }
.side-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.side-title { font-weight: 700; font-size: 14.5px; color: var(--t-text); }
.side-meta { font-size: 12px; color: var(--t-text3); }
.side-more { font-size: 13px; font-weight: 700; padding: 4px 6px; }

.post-section { display: flex; flex-direction: column; gap: 16px; padding-top: 40px; }
.post-section-head { display: flex; align-items: baseline; justify-content: space-between; }
.post-section-head h2, .cat-section h2 { margin: 0; font-weight: 700; letter-spacing: -0.005em; color: var(--t-text); }
.post-section-head h2 { font-size: 24px; }
.result-label { font-size: 13px; color: var(--t-text2); }
.post-list { display: flex; flex-direction: column; gap: 12px; }
.post-card { padding: 20px 24px; display: flex; gap: 18px; align-items: flex-start; }
.post-card-icon { width: 44px; height: 44px; border-radius: 8px; flex: none; margin-top: 2px; }
.post-card-body { display: flex; flex-direction: column; gap: 6px; min-width: 0; flex: 1; }
.post-card-title { font-weight: 700; font-size: 17px; color: var(--t-text); }
.post-card-excerpt { font-size: 13.5px; line-height: 1.5; color: var(--t-text2); }
.empty-card { padding: 32px; text-align: center; font-size: 14px; color: var(--t-text2); border-radius: 16px; }

.meta-row { display: flex; gap: 8px; align-items: center; margin-top: 2px; flex-wrap: wrap; }
.meta-text { font-size: 12px; color: var(--t-text3); }
.chip {
  font-size: 11px; font-weight: 500;
  color: var(--t-chip-text);
  background: var(--t-chip-bg);
  border: 1px solid var(--t-chip-border);
  padding: 3px 10px; border-radius: 6px;
  text-decoration: none;
}
a.chip:hover { text-decoration: none; border-color: var(--t-link); }
.chip-btn { cursor: pointer; font-family: inherit; }

.cat-section { display: flex; flex-direction: column; gap: 14px; padding: 40px 0 36px; }
.cat-section h2 { font-size: 16px; }
.cat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.cat-card { border-radius: 12px; padding: 14px; display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.cat-icon { width: 32px; height: 32px; border-radius: 6px; }
.cat-name { font-weight: 700; font-size: 13px; color: var(--t-text); }
.cat-desc { font-size: 11.5px; color: var(--t-text3); }

/* ---------- Tags page ---------- */
.wrap.tags-main { padding: 28px 32px 48px; display: flex; flex-direction: column; gap: 24px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-lg {
  cursor: pointer; font-size: 12.5px; font-weight: 500;
  padding: 6px 14px; border-radius: 6px; font-family: inherit;
  color: var(--t-chip-text); background: var(--t-chip-bg); border: 1px solid var(--t-chip-border);
}
.chip-lg.active { color: #fff; background: #232f3e; border-color: #232f3e; }
html.dark .chip-lg.active { background: var(--orange); border-color: var(--orange); color: #16191f; }

/* ---------- Post article ---------- */
.post-main { padding: 36px 32px 48px; display: grid; grid-template-columns: 1fr 240px; gap: 44px; align-items: start; }
.article { min-width: 0; max-width: 760px; font-size: 15.5px; line-height: 1.7; color: var(--t-text2); }
.article h1 { font-size: 26px; color: var(--t-text); letter-spacing: -0.005em; margin: 0 0 14px; }
.article h2 { margin: 34px 0 14px; font-weight: 700; font-size: 23px; color: var(--t-text); letter-spacing: -0.005em; }
.article h3 { margin: 26px 0 12px; font-weight: 700; font-size: 18px; color: var(--t-text); }
.article h4 { margin: 20px 0 10px; font-weight: 700; font-size: 15.5px; color: var(--t-text); }
.article p { margin: 0 0 16px; }
.article ul, .article ol { margin: 0 0 16px; padding-left: 24px; }
.article li { margin-bottom: 6px; }
.article img { max-width: 100%; height: auto; border-radius: 12px; }
.article hr { border: 0; border-top: 1px solid var(--t-border); margin: 28px 0; }
.article blockquote { margin: 0 0 16px; padding: 10px 16px; border-left: 3px solid var(--t-border); color: var(--t-text3); }
.article table { width: 100%; border-collapse: collapse; margin: 0 0 28px; font-size: 14px; display: block; overflow-x: auto; }
.article th { text-align: left; padding: 10px 12px; background: var(--t-chip-bg); border-bottom: 1px solid var(--t-border); color: var(--t-text); font-weight: 700; white-space: nowrap; }
.article td { padding: 10px 12px; border-bottom: 1px solid var(--t-border); vertical-align: top; }
.article code { font-family: var(--mono); font-size: .88em; background: var(--t-chip-bg); border: 1px solid var(--t-chip-border); border-radius: 4px; padding: .08em .4em; }
.article pre { background: var(--t-code-bg); border: 1px solid var(--t-border); border-radius: 0 0 12px 12px; padding: 16px 18px; overflow-x: auto; font: 13px/1.65 var(--mono); color: #e6e9ec; margin: 0; }

/* Mac 터미널 코드블록 (JS가 .article pre를 감싼다) */
.term-box { margin: 0 0 20px; border-radius: 12px; overflow: hidden; border: 1px solid var(--t-border); }
.term-box .article-pre-wrap { margin: 0; }
.term-head {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 14px;
  background: var(--t-chip-bg);
  border-bottom: 1px solid var(--t-border);
}
.term-head .mac-dots { display: inline-flex; gap: 6px; }
.term-head .mac-dots i { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.term-head .mac-dots i:nth-child(1) { background: #ff5f57; }
.term-head .mac-dots i:nth-child(2) { background: #febc2e; }
.term-head .mac-dots i:nth-child(3) { background: #28c840; }
.term-head .term-spacer { flex: 1; }
.term-copy {
  font-family: inherit; font-size: 11.5px; font-weight: 700; line-height: 1;
  padding: 5px 11px; border: 1px solid var(--t-border); border-radius: 999px;
  background: var(--t-surface); color: var(--t-text2); cursor: pointer;
}
.term-copy:hover { color: var(--t-link); border-color: var(--t-link); }
.term-copy.copied { color: #ec7211; border-color: #ec7211; }
.term-box pre { border: 0; border-radius: 0; }
@media print { .term-copy, .term-head .mac-dots { display: none; } }
.article pre code { background: none; border: 0; padding: 0; font-size: inherit; color: inherit; }
.article .highlight pre { margin: 0 0 20px; }

/* rouge 신택스 (다크 코드 블록 고정) */
.highlight .c, .highlight .c1, .highlight .cm { color: #7c8794; }
.highlight .k, .highlight .kd, .highlight .kn { color: #539fe5; }
.highlight .s, .highlight .s1, .highlight .s2 { color: #93b94c; }
.highlight .mi, .highlight .mf { color: #ff9900; }
.highlight .nf, .highlight .nx { color: #e6e9ec; }
.highlight .na { color: #539fe5; }

/* JTD 잔존 문법 수용: callout / 버튼 */
.article .warning, .article .important { background: var(--t-warn-bg); border: 1px solid var(--t-warn-bd); border-radius: 8px; padding: 14px 16px; margin: 0 0 16px; font-size: 14px; }
.article .note, .article .highlight-note { background: var(--t-info-bg); border: 1px solid var(--t-info-bd); border-radius: 8px; padding: 14px 16px; margin: 0 0 16px; font-size: 14px; }
.article a.btn, .article .btn { display: inline-block; background: var(--orange); color: #16191f; font-weight: 700; font-size: 13px; padding: 9px 16px; border-radius: 999px; margin: 0 6px 8px 0; }
.article a.btn:hover { text-decoration: none; }
.article a.btn-primary { background: var(--orange); color: #16191f; }
.article .fs-9, .article .fs-6 { display: block; }
.article .fw-300 { font-weight: 400; }

.article-tags { margin: 24px 0 0; }
.pn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 36px 0 0; }
.pn-card { padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; }
.pn-next { text-align: right; }
.pn-label { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--t-text3); }
.pn-title { font-weight: 700; font-size: 14.5px; color: var(--t-text); }

.toc-aside { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 10px; padding-top: 4px; }
.toc-label { font-weight: 700; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--t-text3); }
.toc-nav { display: flex; flex-direction: column; gap: 2px; border-left: 1px solid var(--t-border); }
.toc-nav a {
  font-size: 13px; line-height: 1.4; padding: 5px 0 5px 14px;
  color: var(--t-text2); border-left: 2px solid transparent; margin-left: -1.5px;
}
.toc-nav a:hover { text-decoration: none; color: var(--t-link); }
.toc-nav a.active { color: var(--t-link); font-weight: 700; border-left-color: var(--t-link); }
.toc-home { font-size: 12.5px; margin-top: 10px; }

/* ---------- Report (techblogs 임베드) ---------- */
.report-main { padding: 0 0 24px; }
.crumb-bar { padding: 6px 0 16px; }
.crumb-bar span { color: rgba(255,255,255,.85); }
#report-frame { display: block; width: 100%; border: 0; min-height: 60vh; background: transparent; }
.report-fallback { padding: 32px; text-align: center; }
.report-foot { padding-top: 4px; padding-bottom: 8px; text-align: right; font-size: 13px; }
.report-print {
  background: none; border: 1px solid var(--t-border); border-radius: 999px;
  padding: 6px 14px; font-family: inherit; font-size: 12.5px;
  color: var(--t-text2); cursor: pointer; margin-right: 12px;
}
.report-print:hover { color: var(--t-link); border-color: var(--t-link); }
.report-pn { margin: 20px 0 8px; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { position: relative; left: 0; display: inline-block; margin: 8px 32px; }

@media print {
  .site-header, .site-footer, .report-foot, .report-pn, .skip-link { display: none !important; }
  #report-frame { height: auto !important; min-height: 0; }
}

/* ---------- Workshop (doc) ---------- */
.doc-main { padding: 32px 32px 48px; display: grid; grid-template-columns: 250px 1fr; gap: 40px; align-items: start; }
.doc-side { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 4px; max-height: calc(100vh - 48px); overflow-y: auto; padding-right: 8px; }
.doc-side-root { font-weight: 800; font-size: 13.5px; color: var(--t-text); padding: 6px 8px; border-radius: 6px; }
.doc-group { display: flex; flex-direction: column; }
.doc-group-title { font-weight: 700; font-size: 13.5px; color: var(--t-text2); padding: 6px 8px; border-radius: 6px; }
.doc-children { display: flex; flex-direction: column; border-left: 1px solid var(--t-border); margin: 2px 0 6px 12px; }
.doc-child { font-size: 13px; color: var(--t-text2); padding: 4px 10px; border-left: 2px solid transparent; margin-left: -1.5px; }
.doc-side a:hover { text-decoration: none; color: var(--t-link); }
.doc-side a.active { color: var(--t-link); font-weight: 700; }
.doc-child.active { border-left-color: var(--t-link); }
.doc-article { max-width: 800px; }

/* ---------- About ---------- */
.about-main { padding: 36px 32px 48px; display: flex; flex-direction: column; gap: 36px; }
.about-main h2 { margin: 0 0 12px; font-weight: 700; font-size: 22px; color: var(--t-text); letter-spacing: -0.005em; }
.about-main p { margin: 0 0 12px; font-size: 15.5px; line-height: 1.7; color: var(--t-text2); max-width: 720px; }
.now-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.now-card { padding: 22px; display: flex; flex-direction: column; gap: 8px; }
.now-title { font-weight: 700; font-size: 15px; color: var(--t-text); }
.now-desc { font-size: 13.5px; line-height: 1.55; color: var(--t-text2); }
.history { display: flex; flex-direction: column; max-width: 720px; }
.history-row { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding: 14px 4px; border-top: 1px solid var(--t-border); }
.history-row:last-child { border-bottom: 1px solid var(--t-border); }
.history-period { font-size: 13px; color: var(--t-text3); }
.history-desc { font-size: 14.5px; color: var(--t-text); }

/* ---------- Footer ---------- */
.site-footer { background: var(--t-footer); border-top: 1px solid var(--t-border); margin-top: 8px; }
.footer-row { padding: 18px 32px; display: flex; gap: 20px; align-items: center; }
.footer-copy { font-size: 13px; color: var(--t-text3); }
.footer-spacer { flex: 1; }
.footer-row a { font-size: 13px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .home-top { grid-template-columns: 1fr; }
  .post-main { grid-template-columns: 1fr; }
  .toc-aside { display: none; }
  .doc-main { grid-template-columns: 1fr; }
  .doc-side { position: static; max-height: none; flex-direction: column; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .now-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 32px; max-width: 100%; }
  .hero-sub { max-width: 100%; }
  .post-hero-title { font-size: 28px; max-width: 100%; }
}
@media (max-width: 640px) {
  .wrap { padding-left: 18px; padding-right: 18px; }
  .topbar { gap: 14px; flex-wrap: wrap; height: auto; padding: 10px 0; }
  #home-search { width: 100%; order: 9; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .pn-grid { grid-template-columns: 1fr; }
  .history-row { grid-template-columns: 1fr; gap: 4px; }
  .about-hero { flex-direction: column; align-items: flex-start; }
}