/* Minimal researcher-style layout (improved) */
:root {
  --bg: #ffffff;
  --text: #0f172a; /* slate-900 */
  --muted: #475569; /* slate-600 */
  --brand: #0f766e; /* teal-700 */
  --brand-ink: #0b4f49;
  --card: #f8fafc; /* slate-50 */
  --border: #e5e7eb; /* gray-200 */
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --brand: #2dd4bf;
    --brand-ink: #14b8a6;
    --card: #0f172a;
    --border: #1f2937;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Noto Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 28px 0 0 0;
}
.site-header .container { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; }

.avatar {
  width: 104px; height: 104px; border-radius: 50%; object-fit: cover; border: 1px solid var(--border); background: #ddd;
}
.title-block h1 { margin: 0 0 6px; font-size: 30px; letter-spacing: -0.01em; }
.title-block .tagline { margin: 0; color: var(--muted); }
.title-block .meta, .title-block .links { margin: 8px 0 0; color: var(--muted); }
.title-block a { color: var(--brand); text-decoration: none; }
.title-block a:hover, .title-block a:focus-visible { text-decoration: underline; outline: none; }

.nav { border-top: 1px solid var(--border); }
.nav .container { display: flex; gap: 14px; align-items: center; padding: 10px 0; overflow-x: auto; }
.nav a { color: var(--brand); text-decoration: none; white-space: nowrap; }
.nav a:hover, .nav a:focus-visible { text-decoration: underline; outline: none; }

.lang-toggle {
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
}
.lang-toggle:hover, .lang-toggle:focus-visible { border-color: var(--brand); }

main section { padding: 28px 0; border-bottom: 1px solid var(--border); }
main h2 { margin: 0 0 14px; font-size: 22px; }

a { color: var(--brand); }
a:hover, a:focus-visible { color: var(--brand-ink); outline: none; }

ul.compact { padding-left: 20px; margin: 0; }
ul.news { list-style: none; padding: 0; margin: 0; }
ul.news li { padding: 6px 0; }
.news .date { color: var(--muted); font-variant-numeric: tabular-nums; display: inline-block; width: 4.5em; }

.pubs { margin: 0; padding-left: 20px; }
.pub-title { font-weight: 600; }
.pub-authors, .pub-venue { color: var(--muted); font-size: 14px; }
.pub-links a { color: var(--brand); text-decoration: none; }
.pub-links a:hover, .pub-links a:focus-visible { text-decoration: underline; outline: none; }

.cards { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 8px 0; }
.card-links a { color: var(--brand); text-decoration: none; }
.card-links a:hover, .card-links a:focus-visible { text-decoration: underline; outline: none; }

.awards { list-style: none; padding: 0; margin: 0; }
.awards li { padding: 10px 0; border-left: 3px solid var(--border); padding-left: 12px; margin-left: 4px; }
.award-title { font-weight: 600; }
.award-desc { color: var(--muted); font-size: 14px; }

.site-footer { padding: 20px 0; color: var(--muted); }

@media (max-width: 640px) {
  .site-header .container { grid-template-columns: 1fr; }
  .avatar { width: 88px; height: 88px; }
}