/* One-page home layout */

:root {
  --op-accent: #9a3b26;      /* headings, links, navbar (brick) */
  --op-accent-soft: #f6ebe6; /* badges */
  --op-ink: #222;
  --op-muted: #5b6470;
}

/* Top bar: solid brick (a white version was tried and dropped) */
.navbar { background-color: var(--op-accent) !important; }
main a { color: var(--op-accent); }

/* Hide Quarto's default title block on this page */
#title-block-header { display: none; }

.op-wrap {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 3.5rem;
  max-width: 1100px;
  margin: 2rem auto 4rem;
}

/* Left column */
.op-side {
  position: sticky;
  top: 5rem;
  align-self: start;
  text-align: center;
}
.op-photo {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 1rem;
}
.op-name {
  display: block;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--op-ink);
}
.op-role {
  display: block;
  color: var(--op-muted);
  font-size: 0.95rem;
  margin: 0.25rem 0 1rem;
}
.op-links {
  display: flex;
  justify-content: center;
  gap: 0.9rem;
  font-size: 1.25rem;
}
.op-links a { color: var(--op-accent); }


/* Right column */
.op-main h2 {
  color: var(--op-accent);
  font-size: 1.7rem;
  border-bottom: 2px solid var(--op-accent);
  padding-bottom: 0.3rem;
  margin: 2.5rem 0 1.25rem;
}
.op-main h2:first-child { margin-top: 0; }
.op-main h3 {
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--op-muted);
  margin-top: 1.75rem;
}
.op-main > p { line-height: 1.65; }

/* Paper entries */
.paper {
  padding: 0.9rem 0 1.1rem;
  border-bottom: 1px solid #e6e6e6;
}
.paper h4 {
  font-size: 1.1rem;
  margin: 0 0 0.35rem;
  color: var(--op-ink);
}
.paper p { margin-bottom: 0.35rem; }
.paper-authors, .paper-venue { color: var(--op-muted); margin-right: 0.5rem; }
.paper-status {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.1rem 0.5rem;
  border-radius: 0.25rem;
  background-color: var(--op-accent-soft);
  color: var(--op-accent);
}
.paper details summary {
  cursor: pointer;
  color: var(--op-accent);
  font-weight: 500;
  display: inline-block;
}
.paper details summary::before { content: "▸ "; }
.paper details[open] summary::before { content: "▾ "; }
.paper details[open] summary { margin-bottom: 0.5rem; }
.paper details p { font-size: 0.95rem; line-height: 1.55; }

.btn-outline-primary {
  color: var(--op-accent);
  border-color: var(--op-accent);
}
.btn-outline-primary:hover {
  background-color: var(--op-accent);
  border-color: var(--op-accent);
  color: #fff;
}

/* Phone / narrow screens: stack columns */
@media (max-width: 800px) {
  .op-wrap { grid-template-columns: 1fr; gap: 1.5rem; margin-top: 1rem; }
  .op-side { position: static; }
  .op-photo { max-width: 220px; }
}

/* Link icon next to a paper title */
.paper-link {
  text-decoration: none;
  color: var(--op-accent) !important;
  font-size: 0.95em;
  margin-left: 0.15rem;
}

/* Fonts: Source Serif 4 for headings, Source Sans 3 for text */
:root {
  --op-head-font: "Source Serif 4", Georgia, serif;
  --op-body-font: "Source Sans 3", -apple-system, "Segoe UI", sans-serif;
}
body, .navbar, .btn { font-family: var(--op-body-font); }
h1, h2, h3, h4, .op-name, .navbar-title { font-family: var(--op-head-font); }