:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6a6a6a;
  --accent: #1f3a93;
  --rule: #e4e4e4;
  --maxw: 960px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #e8e8e8;
    --muted: #9aa0a6;
    --accent: #8ab4ff;
    --rule: #2a2d33;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
        Arial, "Noto Sans KR", sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px 24px 96px;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
a:hover { border-bottom-color: var(--accent); }

.intro {
  display: flex;
  gap: 24px;
  align-items: center;
}
.intro .profile {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid var(--rule);
}
.intro-text { min-width: 0; }

@media (max-width: 560px) {
  .intro { flex-direction: column; align-items: flex-start; }
  .intro .profile { width: 110px; height: 110px; }
}

.intro h1 {
  margin: 0 0 6px;
  font-size: 2rem;
  letter-spacing: -0.01em;
}
.intro h1 .hangul {
  font-weight: 400;
  color: var(--muted);
  font-size: 1.4rem;
  margin-left: 6px;
}
.intro .affiliation {
  margin: 0 0 10px;
  color: var(--muted);
}
.intro .contact {
  margin: 0;
  font-size: 0.95rem;
}

h2 {
  margin: 40px 0 12px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--rule);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--accent);
}

section p { margin: 0 0 1em; }

.pubs {
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.pubs li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin: 0 0 20px;
}
.pubs .pub-thumb {
  width: 140px;
  flex-shrink: 0;
}
.pubs .pub-thumb img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--rule);
  border-radius: 4px;
}
.pubs .pub-text { flex: 1; min-width: 0; }
.pubs .title { font-weight: 600; }
.pubs .authors { color: var(--fg); }
.pubs .venue { font-style: italic; color: var(--muted); }

@media (max-width: 560px) {
  .pubs li { flex-direction: column; }
  .pubs .pub-thumb { width: 100%; max-width: 320px; }
}

.placeholder { color: var(--muted); font-style: italic; }

ul.entries {
  list-style: none;
  padding-left: 0;
  margin: 0;
}
ul.entries li {
  margin: 0 0 14px;
}
ul.entries .when {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 2px;
}

ul.bullets {
  padding-left: 1.4em;
  margin: 0;
}
ul.bullets li { margin: 0 0 4px; }

footer {
  margin-top: 64px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.85rem;
}

@media print {
  :root { --bg: #fff; --fg: #000; --muted: #444; --accent: #000; --rule: #aaa; }
  main { max-width: none; padding: 0; }
}