/* Personal academic page — styling inspired by Jekyll AcademicPages / Minimal Mistakes */

:root {
  --bg: #ffffff;
  --text: #3d4144;
  --heading: #24292f;
  --muted: #6a737d;
  --link: #2a6496;
  --link-hover: #1b4a73;
  --border: #e1e4e8;
  --masthead-bg: #ffffff;
  --accent: #2a6496;
  --tag-bg: #f1f4f7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181c;
    --text: #c9d1d9;
    --heading: #e6edf3;
    --muted: #8b949e;
    --link: #6cb2eb;
    --link-hover: #9ccdf2;
    --border: #30363d;
    --masthead-bg: #16181c;
    --accent: #6cb2eb;
    --tag-bg: #21262d;
  }
}

* { box-sizing: border-box; }

html { font-size: 16px; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }

h1, h2, h3 { color: var(--heading); line-height: 1.3; }

/* ---------- Masthead / top nav ---------- */

.masthead {
  border-bottom: 1px solid var(--border);
  background: var(--masthead-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.masthead-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--heading);
}
.site-title:hover { text-decoration: none; color: var(--accent); }

.site-nav { display: flex; gap: 1.5rem; }

.site-nav a {
  color: var(--text);
  font-weight: 500;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { text-decoration: none; color: var(--accent); }
.site-nav a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- Layout ---------- */

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 3rem;
}

@media (max-width: 760px) {
  .page { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---------- Sidebar / author profile ---------- */

.sidebar { text-align: left; }

.avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, #2a6496, #4a90c2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.avatar .initials {
  color: #fff;
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.author-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--heading);
  margin: 0 0 0.25rem;
}

.author-bio { color: var(--muted); font-size: 0.9rem; margin: 0 0 1rem; }

.author-links {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
}
.author-links li { margin-bottom: 0.45rem; }
.author-links .icon {
  display: inline-block;
  width: 1.4rem;
  text-align: center;
  margin-right: 0.3rem;
}

/* ---------- Content ---------- */

.content h1 { margin-top: 0; font-size: 1.75rem; }
.content h2 {
  font-size: 1.3rem;
  margin-top: 2.2rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}

/* ---------- Publications ---------- */

.pub-year {
  font-size: 1.3rem;
  margin-top: 2.2rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}

.pub {
  margin: 1.4rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--border);
}
.pub:hover { border-left-color: var(--accent); }

.pub-title {
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0 0 0.2rem;
}

.pub-authors { margin: 0 0 0.15rem; font-size: 0.95rem; }
.pub-authors .me { font-weight: 700; color: var(--heading); }

.pub-venue { margin: 0 0 0.4rem; font-size: 0.9rem; color: var(--muted); font-style: italic; }

.pub-links { font-size: 0.85rem; }
.pub-links a {
  display: inline-block;
  background: var(--tag-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1rem 0.55rem;
  margin-right: 0.4rem;
  color: var(--link);
}
.pub-links a:hover { text-decoration: none; border-color: var(--accent); }

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}