/* ============================================================
   COMPASS Lab — minimal academic theme
   No build step. Edit variables below to re-skin the whole site.
   ============================================================ */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Type */
  --font-sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
    "Apple SD Gothic Neo", "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "Noto Sans KR", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.8125rem;
  --fs-base: 0.9375rem;
  --fs-md: 1.0625rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.875rem;
  --fs-2xl: 2.5rem;
  --fs-3xl: 3.25rem;

  /* Color — light */
  --bg: #ffffff;
  --bg-soft: #f8f8f7;
  --bg-sunken: #f2f2f0;
  --ink: #17191d;
  --ink-2: #4d5460;
  --ink-3: #7c8493;
  --rule: #e4e6ea;
  --rule-strong: #cfd3da;
  --accent: #1b4d89;
  --accent-ink: #143c6c;
  --accent-soft: #eaf1f9;
  --warm: #8a5a2b;
  --warm-soft: #f7f0e7;

  /* Space & shape */
  --gutter: 1.5rem;
  --maxw: 1080px;
  --maxw-prose: 46rem;
  --radius: 4px;
  --radius-lg: 8px;

  --shadow-sm: 0 1px 2px rgba(20, 24, 32, 0.05);
  --shadow: 0 2px 12px rgba(20, 24, 32, 0.07);

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101215;
    --bg-soft: #16181c;
    --bg-sunken: #1c1f24;
    --ink: #e9eaec;
    --ink-2: #a8aeb9;
    --ink-3: #7b8290;
    --rule: #272b31;
    --rule-strong: #3a3f47;
    --accent: #7fb0e8;
    --accent-ink: #a8caf1;
    --accent-soft: #17222f;
    --warm: #d0a273;
    --warm-soft: #241d15;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow: 0 2px 14px rgba(0, 0, 0, 0.45);
  }
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  margin: 0;
  min-height: 100vh;                 /* keeps the footer at the bottom of short pages */
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.65;
  letter-spacing: -0.006em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main { flex: 1 0 auto; }
.site-footer { flex: none; }

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 620;
  line-height: 1.22;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
li { margin-bottom: 0.3em; }

button { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

::selection { background: var(--accent-soft); }

/* ---------- 3. Layout primitives ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.prose { max-width: var(--maxw-prose); }

.section { padding-block: 4.5rem; }
.section--tight { padding-block: 3rem; }
.section + .section { border-top: 1px solid var(--rule); }
.section--soft { background: var(--bg-soft); }

.eyebrow {
  font-size: var(--fs-xs);
  font-weight: 620;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 0.75rem;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}
.section-head h2 { font-size: var(--fs-xl); }
.section-head .more { font-size: var(--fs-sm); font-weight: 560; white-space: nowrap; }

.lede {
  font-size: var(--fs-md);
  color: var(--ink-2);
  line-height: 1.7;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- 4. Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: 4rem;
}

.wordmark {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.0625rem;
  white-space: nowrap;
}
.wordmark:hover { text-decoration: none; }
.wordmark .mark {
  display: inline-grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  align-self: center;
  flex: none;
}
.wordmark .sub {
  font-size: var(--fs-xs);
  font-weight: 480;
  color: var(--ink-3);
  letter-spacing: 0;
}

.site-nav { margin-left: auto; }
.site-nav ul {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav a {
  color: var(--ink-2);
  font-size: var(--fs-sm);
  font-weight: 540;
  padding-block: 0.35rem;
  border-bottom: 1.5px solid transparent;
}
.site-nav a:hover { color: var(--ink); text-decoration: none; }
.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  overflow: hidden;
  flex: none;
}
.lang-toggle button {
  background: none;
  border: 0;
  padding: 0.24rem 0.62rem;
  font-size: var(--fs-xs);
  font-weight: 620;
  letter-spacing: 0.03em;
  color: var(--ink-3);
  cursor: pointer;
}
.lang-toggle button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  line-height: 1;
}

@media (max-width: 760px) {
  .nav-toggle { display: block; order: 3; }
  .site-nav {
    order: 4;
    width: 100%;
    margin-left: 0;
    display: none;
    padding-bottom: 0.9rem;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; align-items: flex-start; gap: 0.15rem; }
  .site-nav a { display: block; width: 100%; padding-block: 0.45rem; border-bottom: 0; }
  .site-header__inner { flex-wrap: wrap; }
  .lang-toggle { margin-left: auto; }
}

/* ---------- 5. Hero ---------- */
.hero { padding-block: 5rem 4rem; border-bottom: 1px solid var(--rule); }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
  gap: 3.5rem;
  align-items: center;
}
.hero h1 {
  font-size: var(--fs-3xl);
  letter-spacing: -0.038em;
  margin-bottom: 1.1rem;
}
.hero .lede { font-size: 1.125rem; max-width: 34rem; }
.hero__meta {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-size: var(--fs-sm);
  color: var(--ink-3);
}
.hero__cta { margin-top: 2rem; display: flex; gap: 0.7rem; flex-wrap: wrap; }

@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; gap: 2.25rem; }
  .hero { padding-block: 3rem 2.5rem; }
  :root { --fs-3xl: 2.35rem; --fs-2xl: 1.9rem; --fs-xl: 1.5rem; }
}

/* Decorative network figure */
.netfig { width: 100%; height: auto; color: var(--accent); }
.netfig .edge { stroke: currentColor; stroke-width: 0.9; opacity: 0.28; }
.netfig .node-a { fill: currentColor; }
.netfig .node-b { fill: var(--warm); }
.netfig .halo { fill: none; stroke: currentColor; opacity: 0.16; }

/* ---------- 6. Buttons & chips ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.52rem 1.05rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--ink);
  font-size: var(--fs-sm);
  font-weight: 560;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.btn:hover { border-color: var(--ink-3); text-decoration: none; }
.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
@media (prefers-color-scheme: dark) {
  .btn--primary { color: #0d1116; }
}
.btn--primary:hover { background: var(--accent-ink); border-color: var(--accent-ink); }
.btn--sm { padding: 0.32rem 0.7rem; font-size: var(--fs-xs); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.26rem 0.66rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink-2);
  font-size: var(--fs-xs);
  font-weight: 540;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.14s;
}
.chip:hover { border-color: var(--ink-3); color: var(--ink); }
.chip[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}
.chip .count { opacity: 0.6; font-variant-numeric: tabular-nums; }

/* ---------- 7. Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--bg);            /* empty trailing cells stay invisible */
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.cards > * { box-shadow: 0 0 0 1px var(--rule); }
.card {
  background: var(--bg);
  padding: 1.6rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.card h3 { font-size: var(--fs-md); }
.card p { color: var(--ink-2); font-size: var(--fs-sm); margin: 0; line-height: 1.62; }
.card__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent);
  letter-spacing: 0.04em;
}
.card__tags { margin-top: auto; padding-top: 0.6rem; display: flex; flex-wrap: wrap; gap: 0.3rem; }
.tag-static {
  font-size: 0.6875rem;
  color: var(--ink-3);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
}

/* ---------- 8. News ---------- */
.news { list-style: none; margin: 0; padding: 0; }
.news li {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 1.25rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--rule);
  margin: 0;
  align-items: baseline;
}
.news li:first-child { border-top: 1px solid var(--rule); }
.news time {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-3);
  letter-spacing: 0.02em;
}
.news p { margin: 0; font-size: var(--fs-sm); color: var(--ink-2); }
@media (max-width: 620px) {
  .news li { grid-template-columns: 1fr; gap: 0.15rem; }
}

/* ---------- 9. Publications ---------- */
.pubtoolbar {
  position: sticky;
  top: 4rem;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--rule);
  padding-block: 0.9rem;
  margin-bottom: 0.5rem;
}
.pubtoolbar__row {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
}
.pubtoolbar__row + .pubtoolbar__row { margin-top: 0.6rem; }

.search {
  position: relative;
  flex: 1 1 16rem;
  min-width: 12rem;
}
.search input {
  width: 100%;
  padding: 0.55rem 2.2rem 0.55rem 2.1rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: var(--fs-sm);
}
.search input::placeholder { color: var(--ink-3); }
.search .icon {
  position: absolute;
  left: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-3);
  pointer-events: none;
  display: flex;
}
.search .kbd {
  position: absolute;
  right: 0.55rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--ink-3);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0 0.28rem;
  pointer-events: none;
}

.filter-group { display: flex; gap: 0.35rem; flex-wrap: wrap; align-items: center; }
.filter-label {
  font-size: var(--fs-xs);
  color: var(--ink-3);
  font-weight: 620;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-right: 0.15rem;
}

.pubstats {
  font-size: var(--fs-sm);
  color: var(--ink-3);
  margin: 1.25rem 0 0.5rem;
  font-variant-numeric: tabular-nums;
}
.pubstats strong { color: var(--ink); font-weight: 620; }

.year-block { margin-top: 2rem; }
.year-block__head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1.5px solid var(--ink);
  margin-bottom: 0.25rem;
}
.year-block__head h2 {
  font-size: var(--fs-lg);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.year-block__head .n { font-size: var(--fs-xs); color: var(--ink-3); }

.pub {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--rule);
}
.pub__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-3);
  padding-top: 0.28rem;
  font-variant-numeric: tabular-nums;
}
.pub__title {
  font-size: var(--fs-md);
  font-weight: 600;
  line-height: 1.38;
  letter-spacing: -0.014em;
  margin: 0 0 0.28rem;
}
.pub__title a { color: var(--ink); }
.pub__title a:hover { color: var(--accent); }
.pub__authors { font-size: var(--fs-sm); color: var(--ink-2); margin: 0 0 0.2rem; }
.pub__authors .me { color: var(--ink); font-weight: 680; }
.pub__venue { font-size: var(--fs-sm); color: var(--ink-3); margin: 0; }
.pub__venue em { color: var(--ink-2); font-style: italic; }
.pub__venue .yr { font-variant-numeric: tabular-nums; }

.pub__flags { display: inline-flex; gap: 0.35rem; margin-left: 0.4rem; vertical-align: 1px; }
.flag {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.08rem 0.4rem;
  border-radius: 3px;
  white-space: nowrap;
}
.flag--sel { background: var(--accent-soft); color: var(--accent-ink); }
.flag--award { background: var(--warm-soft); color: var(--warm); }
.flag--pre { background: var(--bg-sunken); color: var(--ink-3); }

.pub__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.6rem;
}
.plink {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.16rem 0.5rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  color: var(--ink-2);
  background: var(--bg);
  cursor: pointer;
}
.plink:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.plink.is-on { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.pub__tags { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.5rem; }
.ptag {
  font-size: 0.6875rem;
  color: var(--ink-3);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.ptag::before { content: "#"; opacity: 0.55; }
.ptag:hover { color: var(--accent); }

.pub__drawer {
  margin-top: 0.7rem;
  border-left: 2px solid var(--rule-strong);
  padding: 0.15rem 0 0.15rem 0.9rem;
}
.pub__drawer p { font-size: var(--fs-sm); color: var(--ink-2); margin: 0; }
.pub__drawer pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--ink-2);
  background: var(--bg-sunken);
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius);
  overflow-x: auto;
}
[hidden] { display: none !important; }

mark {
  background: color-mix(in srgb, var(--warm) 26%, transparent);
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}

.empty {
  padding: 3.5rem 1rem;
  text-align: center;
  color: var(--ink-3);
  font-size: var(--fs-sm);
}

.notice {
  border: 1px solid var(--rule-strong);
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  font-size: var(--fs-sm);
  color: var(--ink-2);
  margin-block: 1.5rem;
}
.notice code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-sunken);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}

/* ---------- 10. People ---------- */
.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 2rem 1.75rem;
}
.person__photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  object-fit: cover;
  margin-bottom: 0.85rem;
  display: grid;
  place-items: center;
  color: var(--ink-3);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* no photo yet: a quiet placeholder rather than a grey plate, so it sits
   next to the transparent line portraits without shouting */
div.person__photo {
  border: 1px dashed var(--rule-strong);
  background: none;
  color: var(--ink-3);
  opacity: 0.75;
}
.person h3 { font-size: var(--fs-base); margin-bottom: 0.1rem; }
.person .role { font-size: var(--fs-xs); color: var(--accent); font-weight: 600; letter-spacing: 0.02em; }
.person .bio { font-size: var(--fs-sm); color: var(--ink-2); margin: 0.45rem 0 0; }
.person .links { display: flex; gap: 0.5rem; margin-top: 0.5rem; font-size: var(--fs-xs); }

.person--lead { grid-column: 1 / -1; display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 1.75rem; align-items: start; }
.person--lead .person__photo { margin-bottom: 0; }
.person--lead h3 { font-size: var(--fs-lg); }
@media (max-width: 640px) {
  .person--lead { grid-template-columns: 1fr; }
  .person--lead .person__photo { max-width: 180px; }
}

.alumni { list-style: none; padding: 0; margin: 0; font-size: var(--fs-sm); }
.alumni li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  padding-block: 0.55rem;
  border-bottom: 1px solid var(--rule);
}
.alumni .then { color: var(--ink-3); font-size: var(--fs-xs); text-align: right; }

/* ---------- 11. Footer ---------- */
.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--bg-soft);
  padding-block: 2.75rem 2.25rem;
  margin-top: 0;
  font-size: var(--fs-sm);
  color: var(--ink-3);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: 2rem;
}
.site-footer h4 {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  margin-bottom: 0.6rem;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.3rem; }
.site-footer a { color: var(--ink-2); }
.site-footer__base {
  margin-top: 2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: var(--fs-xs);
}
@media (max-width: 720px) {
  .site-footer__grid { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* ---------- 12. Utilities ---------- */
.stack > * + * { margin-top: var(--stack-gap, 1rem); }
.muted { color: var(--ink-3); }
.mono { font-family: var(--font-mono); }
.nowrap { white-space: nowrap; }
.center { text-align: center; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.divider { border: 0; border-top: 1px solid var(--rule); margin-block: 2.5rem; }

.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translate(-50%, 1rem);
  background: var(--ink);
  color: var(--bg);
  font-size: var(--fs-sm);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 90;
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

@media print {
  .site-header, .site-footer, .pubtoolbar, .pub__links, .hero__cta { display: none !important; }
  body { font-size: 10.5pt; }
  .pub { break-inside: avoid; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- 13. Additions: themes, teaching, news, admin ---------- */
/* portraits are transparent line art: no plate behind them, and
   the strokes flip to light on dark backgrounds */
img.person__photo { background: none; }
@media (prefers-color-scheme: dark) {
  img.person__photo { filter: invert(1); }
}

.person .bio .k {
  font-size: var(--fs-xs);
  color: var(--ink-3);
  font-weight: 620;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-right: 0.25rem;
}
.person .bio { margin-top: 0.4rem; }
.person .links a { color: var(--accent); }

.pub--compact { padding-block: 0.85rem; }
.pub--compact .pub__title { font-size: var(--fs-base); }

.theme-card {
  display: block;
  background: var(--bg);
  padding: 1.5rem 1.4rem;
  color: inherit;
}
.theme-card:hover { text-decoration: none; background: var(--bg-soft); }
.theme-card h3 { font-size: var(--fs-md); margin-bottom: .4rem; }
.theme-card p { color: var(--ink-2); font-size: var(--fs-sm); margin: 0; line-height: 1.6; }
.theme-card .n {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent);
  display: block;
  margin-bottom: .5rem;
}

.theme-block { padding-block: 2.5rem; border-top: 1px solid var(--rule); }
.theme-block:first-child { border-top: 0; }
.theme-block__head { display: grid; grid-template-columns: minmax(0,1fr); gap: .4rem; margin-bottom: 1rem; }
.theme-block h2 { font-size: var(--fs-lg); }

.course-list { margin: 0; padding-left: 1.2rem; font-size: var(--fs-sm); color: var(--ink-2); }
.course-list li { margin-bottom: .35rem; }
.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2rem; }

.news--full li { grid-template-columns: 8.5rem minmax(0,1fr); align-items: start; }
.news figure { margin: .6rem 0 0; }
.news figure img { border-radius: var(--radius); max-height: 320px; width: auto; }

/* ---------- 14. Admin ---------- */
.admin-shell { max-width: 1100px; margin-inline: auto; padding: 1.5rem var(--gutter) 5rem; }
.admin-tabs { display: flex; gap: .35rem; border-bottom: 1px solid var(--rule); margin-bottom: 1.5rem; flex-wrap: wrap; }
.admin-tabs button {
  background: none; border: 0; border-bottom: 2px solid transparent;
  padding: .6rem .9rem; font-size: var(--fs-sm); font-weight: 600;
  color: var(--ink-3); cursor: pointer;
}
.admin-tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }

.grp {
  border: 1px solid var(--rule); border-radius: var(--radius-lg);
  margin-bottom: 1.25rem; background: var(--bg); overflow: hidden;
}
.grp__head {
  display: flex; gap: .6rem; align-items: center; flex-wrap: wrap;
  padding: .8rem 1rem; background: var(--bg-soft); border-bottom: 1px solid var(--rule);
}
.grp__head input { flex: 1 1 8rem; min-width: 7rem; }
.grp__body { padding: 1rem; display: grid; gap: .75rem; }

.pcard {
  border: 1px solid var(--rule); border-radius: var(--radius);
  padding: .85rem; display: grid; grid-template-columns: 64px minmax(0,1fr) auto; gap: .85rem;
  align-items: start; background: var(--bg);
}
.pcard.is-open { grid-template-columns: 1fr; }
.pcard__thumb {
  width: 64px; height: 64px; border-radius: var(--radius); object-fit: cover;
  background: var(--bg-sunken); display: grid; place-items: center;
  color: var(--ink-3); font-weight: 600; font-size: var(--fs-sm);
}
.pcard__name { font-weight: 620; font-size: var(--fs-base); }
.pcard__role { font-size: var(--fs-xs); color: var(--ink-3); }
.pcard__ops { display: flex; gap: .25rem; align-items: center; }
.iconbtn {
  border: 1px solid var(--rule); background: var(--bg); border-radius: var(--radius);
  width: 1.9rem; height: 1.9rem; display: grid; place-items: center;
  cursor: pointer; font-size: .85rem; color: var(--ink-2); line-height: 1;
}
.iconbtn:hover { border-color: var(--ink-3); color: var(--ink); }
.iconbtn--danger:hover { border-color: #c0392b; color: #c0392b; }

.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .7rem; margin-top: .85rem; }
.field { display: grid; gap: .25rem; }
.field label { font-size: var(--fs-xs); color: var(--ink-3); font-weight: 620; letter-spacing: .03em; }
.field input, .field textarea, .field select {
  font: inherit; font-size: var(--fs-sm); padding: .45rem .6rem;
  border: 1px solid var(--rule-strong); border-radius: var(--radius);
  background: var(--bg); color: var(--ink); width: 100%;
}
.field textarea { min-height: 4.5rem; resize: vertical; line-height: 1.5; }
.field--wide { grid-column: 1 / -1; }

.admin-bar {
  position: sticky; bottom: 0; z-index: 30;
  background: var(--bg);
  box-shadow: 0 -6px 18px -12px rgba(0,0,0,.45);
  border-top: 1px solid var(--rule-strong);
  padding: .75rem 0; margin-top: 1.5rem;
  display: flex; gap: .5rem; flex-wrap: wrap; align-items: center;
}
.admin-bar .spacer { flex: 1 1 auto; }
.admin-note { font-size: var(--fs-xs); color: var(--ink-3); }
.admin-json {
  width: 100%; min-height: 16rem; font-family: var(--font-mono); font-size: var(--fs-xs);
  line-height: 1.5; padding: .8rem; border: 1px solid var(--rule-strong);
  border-radius: var(--radius); background: var(--bg-sunken); color: var(--ink-2);
}
.warn {
  border-left: 3px solid var(--warm); background: var(--warm-soft);
  padding: .8rem 1rem; border-radius: var(--radius); font-size: var(--fs-sm);
  color: var(--ink-2); margin-bottom: 1.25rem;
}

/* ---------- 15. Activities ---------- */
.activity {
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.6rem;
  max-width: 46rem;
}
.activity + .activity { margin-top: 1.25rem; }
.activity__head { margin-bottom: 1rem; }
.activity h2 { font-size: var(--fs-lg); margin-bottom: .25rem; }
.activity__kind { font-size: var(--fs-sm); color: var(--accent); font-weight: 600; margin: 0; }
.activity__meta {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: .3rem 1rem;
  margin: 0 0 1rem;
  font-size: var(--fs-sm);
}
.activity__meta dt {
  color: var(--ink-3);
  font-size: var(--fs-xs);
  font-weight: 620;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding-top: .12rem;
}
.activity__meta dd { margin: 0; color: var(--ink-2); }
.activity__text { font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.7; }
@media (max-width: 520px) {
  .activity__meta { grid-template-columns: 1fr; gap: 0 0; }
  .activity__meta dd { margin-bottom: .5rem; }
}