:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f1f3f6;
  --text: #1b1f24;
  --text-2: #5b6470;
  --border: #e3e6eb;
  --accent: #2f6fde;
  --accent-soft: #e8f0fd;
  --watch: #b7791f;
  --watch-soft: #fdf3e1;
  --hot: #c2410c;
  --hot-soft: #fdece4;
  --why: #0f766e;
  --why-soft: #e6f5f3;
  --q: #6d28d9;
  --q-soft: #f1ebfd;
  --alert: #b42318;
  --alert-soft: #fdeceb;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111418; --surface: #1a1e24; --surface-2: #232830; --text: #e7eaee; --text-2: #9aa3ae;
    --border: #2c323b; --accent: #7aa7f5; --accent-soft: #1f2b40; --watch: #f0b44c; --watch-soft: #3a2e17;
    --hot: #f59e6b; --hot-soft: #3b2219; --why: #5ccfc2; --why-soft: #16302d; --q: #b79cf7; --q-soft: #2a2240;
    --alert: #f7907f; --alert-soft: #3d1d1a; --shadow: none;
  }
}
:root[data-theme="dark"] {
  --bg: #111418; --surface: #1a1e24; --surface-2: #232830; --text: #e7eaee; --text-2: #9aa3ae;
  --border: #2c323b; --accent: #7aa7f5; --accent-soft: #1f2b40; --watch: #f0b44c; --watch-soft: #3a2e17;
  --hot: #f59e6b; --hot-soft: #3b2219; --why: #5ccfc2; --why-soft: #16302d; --q: #b79cf7; --q-soft: #2a2240;
  --alert: #f7907f; --alert-soft: #3d1d1a; --shadow: none;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  font-size: 16px; line-height: 1.65; word-break: keep-all; overflow-wrap: anywhere;
}
a { color: inherit; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 56px; }
.brand { font-weight: 800; text-decoration: none; white-space: nowrap; }
.nav { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a { padding: 6px 10px; border-radius: 999px; text-decoration: none; color: var(--text-2); font-size: 15px; white-space: nowrap; }
.nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); font-weight: 700; }

.alert-bar { background: var(--alert-soft); color: var(--alert); font-size: 14px; padding: 8px 0; }
.alert-bar .wrap { display: flex; flex-wrap: wrap; gap: 4px 14px; }

/* page head */
.page-head { padding: 24px 0 8px; }
.page-head h1 { margin: 0; font-size: 22px; letter-spacing: -0.01em; }
.page-head .sub { margin: 4px 0 0; color: var(--text-2); }
.date-nav { display: grid; grid-template-columns: 40px 1fr 40px; align-items: center; text-align: center; }
.date-nav a { font-size: 28px; text-decoration: none; color: var(--text-2); line-height: 1; padding: 4px; }

/* tabs */
.tabs { display: flex; gap: 8px; margin: 12px 0 8px; position: sticky; top: 56px; z-index: 5; background: var(--bg); padding: 8px 0; }
.tab { flex: 1; padding: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text-2); border-radius: 12px; font: inherit; font-weight: 600; cursor: pointer; }
.tab[aria-selected="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.tab .count { font-weight: 500; opacity: .7; font-size: 14px; }

.section-title { font-size: 15px; color: var(--text-2); margin: 28px 0 10px; font-weight: 700; }

/* card */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 14px; box-shadow: var(--shadow); scroll-margin-top: 130px; }
.card h3 { margin: 2px 0 0; font-size: 18px; line-height: 1.45; letter-spacing: -0.01em; }
.card h3 a { text-decoration: none; }
.card h3 a:hover { text-decoration: underline; }
.card-head { display: flex; gap: 12px; align-items: flex-start; }
.card-title { flex: 1; min-width: 0; }
.rank { flex: none; width: 28px; height: 28px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-weight: 800; font-size: 15px; margin-top: 2px; }
.meta { display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; font-size: 13px; color: var(--text-2); }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--surface-2); color: var(--text-2); }
.badge.watch { background: var(--watch-soft); color: var(--watch); }
.badge.hot { background: var(--hot-soft); color: var(--hot); }
.summary { margin: 12px 0 0; padding-left: 20px; }
.summary li { margin: 4px 0; }
.block { margin-top: 14px; padding: 12px 14px; border-radius: 10px; background: var(--surface-2); }
.block h4 { margin: 0 0 6px; font-size: 14px; }
.block p { margin: 0; }
.block ul { margin: 0; padding: 0; list-style: none; }
.block ul li { margin: 6px 0; }
.why { background: var(--why-soft); } .why h4 { color: var(--why); }
.interview { background: var(--q-soft); } .interview h4 { color: var(--q); }
.interview .q { font-weight: 700; margin-bottom: 6px; }
.glossary dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; }
.glossary dt { font-weight: 700; }
.glossary dd { margin: 0; color: var(--text-2); }
.outline { margin: 6px 0 0; padding-left: 20px; }
.refs { margin: 8px 0 0; padding-left: 18px; font-size: 14px; color: var(--text-2); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; text-decoration: none; background: var(--surface-2); color: var(--text-2); border: 1px solid transparent; white-space: nowrap; }
.chip.dept { background: var(--accent-soft); color: var(--accent); }
.chip[aria-pressed="true"] { border-color: currentColor; font-weight: 700; }
.chip .n { opacity: .6; margin-left: 2px; }
.block .chip.dept { margin-right: 4px; }

details { margin-top: 12px; font-size: 14px; }
details summary { cursor: pointer; color: var(--text-2); }
details ul { padding-left: 18px; }
.excluded { margin: 28px 0; padding: 12px 14px; border: 1px dashed var(--border); border-radius: 10px; }
.excluded em { color: var(--text-2); font-style: normal; }
.source { color: var(--text-2); font-size: 13px; }

/* star */
.star { flex: none; width: 36px; height: 36px; border: none; border-radius: 10px; background: transparent; color: var(--text-2); font-size: 22px; line-height: 1; cursor: pointer; }
.star:hover { background: var(--surface-2); }
.star[aria-pressed="true"] { color: var(--watch); }

/* more list */
.more-list { list-style: none; margin: 0; padding: 0; }
.more-item { display: flex; gap: 8px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; margin-bottom: 8px; scroll-margin-top: 130px; }
.more-main { flex: 1; min-width: 0; }
.more-title { font-weight: 600; text-decoration: none; display: block; margin-top: 2px; }
.more-title:hover { text-decoration: underline; }
.one-liner { margin: 4px 0 0; color: var(--text-2); font-size: 15px; }
.more-item .chips { margin-top: 6px; }
.more-item .date { font-size: 13px; color: var(--text-2); }

:target { outline: 2px solid var(--accent); outline-offset: 2px; }

/* archive */
.archive { list-style: none; padding: 0; margin: 8px 0; }
.archive > li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 12px; }
.archive-date { font-weight: 800; text-decoration: none; }
.archive-track { margin-top: 8px; font-size: 15px; }
.archive-track .label { font-size: 13px; color: var(--text-2); font-weight: 700; }
.archive-track ul { margin: 2px 0 0; padding-left: 18px; }
.archive-track a { text-decoration: none; }
.archive-track a:hover { text-decoration: underline; }

/* explore */
.search-input { width: 100%; padding: 12px 14px; font: inherit; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); margin: 8px 0; }
.track-filter { display: flex; gap: 6px; margin: 8px 0; }
.track-filter button { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text-2); font: inherit; font-size: 14px; cursor: pointer; }
.track-filter button[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.facet-list { margin: 8px 0 4px; }
.facet-list .chip { cursor: pointer; }
.facet-more { border: 1px dashed var(--border); background: transparent; }
.result-count { color: var(--text-2); font-size: 14px; margin: 12px 0 8px; }

.empty { color: var(--text-2); text-align: center; padding: 40px 0; }
.footer { color: var(--text-2); font-size: 13px; padding: 32px 16px 48px; text-align: center; }

@media (max-width: 480px) {
  .brand-text { display: none; }
  .header-inner { gap: 4px; }
  .nav a { padding: 6px 7px; font-size: 14px; }
  .card { padding: 14px; }
  .card h3 { font-size: 17px; }
}