:root {
  --bg: #ffffff;
  --text: #1f2328;
  --muted: #5f6b7a;
  --line: #e6e8eb;
  --accent: #1a5fb4;
  --hl: #fff6d6;
  --thumb: #f2f4f7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --text: #e6e9ed;
    --muted: #9aa5b1;
    --line: #262b31;
    --accent: #7ab4ff;
    --hl: #3a3217;
    --thumb: #1b2026;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15.5px/1.65 "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 880px; margin: 0 auto; padding: 56px 20px 40px; }

/* Hero */
.hero { display: flex; gap: 40px; align-items: flex-start; margin-bottom: 24px; }
.hero-text { flex: 1; min-width: 0; }
.hero h1 { font-size: 2.1rem; margin: 0 0 2px; font-weight: 700; letter-spacing: -0.02em; }
.hero .kr { font-size: 1.1rem; color: var(--muted); font-weight: 500; margin-left: 6px; }
.role { color: var(--muted); margin: 0 0 18px; }
.hero p { margin: 0 0 12px; }
.links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 18px; font-weight: 500; }
.hero-photo img, .photo-fallback {
  width: 190px; height: 190px; border-radius: 50%; object-fit: cover; flex-shrink: 0;
}
.photo-fallback {
  display: grid; place-items: center; background: var(--thumb);
  color: var(--muted); font-size: 2.4rem; font-weight: 600;
}

/* Sections */
section { margin-top: 44px; }
h2 {
  font-size: 1.3rem; font-weight: 600; margin: 0 0 18px;
  padding-bottom: 8px; border-bottom: 1px solid var(--line);
}
.note { color: var(--muted); font-size: 0.85rem; margin: -8px 0 16px; }
.muted { color: var(--muted); }

/* News */
.news { list-style: none; padding: 0; margin: 0; }
.news li { display: flex; gap: 16px; padding: 4px 0; }
.news .date { width: 64px; flex-shrink: 0; color: var(--muted); font-variant-numeric: tabular-nums; }
.news .txt { flex: 1; min-width: 0; }

/* Publications */
.pub { display: flex; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.pub:last-child { border-bottom: 0; }
.thumb {
  width: 200px; flex-shrink: 0; aspect-ratio: 16 / 10;
  border-radius: 8px; overflow: hidden; background: var(--thumb);
}
.thumb img { width: 100%; height: 100%; object-fit: contain; display: block; }
.thumb.empty img { display: none; }
.pub-body { flex: 1; min-width: 0; }
.pub .title { display: block; font-weight: 600; font-size: 1.02rem; line-height: 1.4; color: var(--text); margin-bottom: 4px; }
a.title:hover { color: var(--accent); text-decoration: none; }
.authors { font-size: 0.92rem; }
.me { font-weight: 700; background: var(--hl); padding: 0 3px; border-radius: 3px; }
.venue { font-size: 0.92rem; color: var(--muted); font-style: italic; }
.pub-links { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 6px; }
.pub-links a {
  font-size: 0.8rem; font-weight: 500; padding: 2px 10px;
  border: 1px solid var(--line); border-radius: 999px;
}
.pub-links a:hover { border-color: var(--accent); text-decoration: none; }
.tldr { font-size: 0.9rem; color: var(--muted); margin: 4px 0 0; }

/* CV */
.cv-row { display: flex; gap: 20px; padding: 10px 0; align-items: center; }
.cv-logo { width: 48px; height: 48px; object-fit: contain; flex-shrink: 0; }
.cv-when { width: 130px; flex-shrink: 0; color: var(--muted); font-variant-numeric: tabular-nums; }

footer { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.82rem; text-align: center; }

/* Mobile */
@media (max-width: 640px) {
  .wrap { padding-top: 32px; }
  .hero { flex-direction: column-reverse; align-items: center; gap: 20px; }
  .hero-photo img, .photo-fallback { width: 140px; height: 140px; }
  .pub { flex-direction: column; gap: 12px; }
  .thumb { width: 100%; }
  .cv-row { flex-wrap: wrap; gap: 4px 14px; }
  .cv-when { width: 100%; }
  .news li { flex-direction: column; gap: 0; }
}

/* Service */
.service { margin: 0; padding-left: 20px; }
.service li { padding: 3px 0; }
.cv-logo.crop-left { object-fit: cover; object-position: left center; padding: 4px; }