/* ===========================================
   publications.css — Publications page styles
   =========================================== */

.page-hero {
  padding: 8rem 0 3.5rem;
  background: var(--warm-white);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.page-hero__eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 0.75rem;
}

.page-hero h1 {
  margin-bottom: 0.75rem;
}

.page-hero p {
  max-width: 52ch;
  margin: 0 auto 1.5rem;
  font-size: 1.05rem;
}

.page-hero__stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 2rem;
}

.stat {
  text-align: center;
}

.stat__num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--terracotta);
  line-height: 1;
}

.stat__label {
  font-size: 0.8rem;
  color: var(--charcoal-lt);
  font-weight: 500;
}

/* ─── Filter Bar ─── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  padding: 1rem 1.5rem;
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.filter-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--charcoal-lt);
  margin-right: 0.5rem;
}

.filter-btn {
  padding: 0.35rem 0.9rem;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--ivory);
  color: var(--charcoal-md);
  font-size: 0.82rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--terracotta-lt);
  color: var(--terracotta);
}

.filter-btn.active {
  background: var(--terracotta);
  border-color: var(--terracotta);
  color: white;
}

/* ─── Year Group ─── */
.pub-year-group {
  margin-bottom: 3.5rem;
}

.pub-year-group:last-child {
  margin-bottom: 0;
}

.pub-year-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.pub-year-label__num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--terracotta);
}

.pub-year-label__line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ─── Publication Entry ─── */
.pub-entry {
  display: grid;
  gap: 1rem;
  padding: 1.75rem;
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  border-left: 4px solid transparent;
  margin-bottom: 1rem;
  transition: all var(--transition);
}

.pub-entry:last-child { margin-bottom: 0; }

.pub-entry:hover {
  border-left-color: var(--terracotta);
  box-shadow: var(--shadow-sm);
  transform: translateX(2px);
}

.pub-entry__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.pub-entry__title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--charcoal);
  line-height: 1.4;
  margin-bottom: 0.4rem;
}

.pub-entry__title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

.pub-entry__title a:hover {
  color: var(--terracotta);
}

.pub-entry__tags { flex-shrink: 0; }

.pub-entry__authors {
  font-size: 0.9rem;
  color: var(--charcoal-lt);
  margin-bottom: 0.25rem;
}

.pub-entry__authors .author-me {
  font-weight: 600;
  color: var(--charcoal-md);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: var(--terracotta-lt);
}

.pub-entry__venue {
  font-size: 0.88rem;
  color: var(--charcoal-lt);
  font-style: italic;
  margin-bottom: 0;
}

.pub-entry__abstract {
  font-size: 0.9rem;
  color: var(--charcoal-lt);
  line-height: 1.7;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  margin: 0;
}

.pub-entry__abstract.open {
  max-height: 300px;
}

.pub-entry__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.pub-entry__links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pub-abstract-toggle {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--charcoal-lt);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: var(--font-sans);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: color var(--transition);
}

.pub-abstract-toggle:hover { color: var(--terracotta); }

.pub-abstract-toggle svg {
  transition: transform var(--transition);
}

.pub-abstract-toggle.open svg {
  transform: rotate(180deg);
}

/* ─── Scholar Banner ─── */
.scholar-banner {
  margin-top: 4rem;
  padding: 2.5rem;
  background: linear-gradient(135deg, rgba(196,112,79,0.08), rgba(122,158,126,0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.scholar-banner h3 {
  margin-bottom: 0.5rem;
}

.scholar-banner p {
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

/* ─── Hidden pub entry ─── */
.pub-entry.hidden {
  display: none;
}

@media (max-width: 640px) {
  .pub-entry__header { flex-direction: column; }
  .page-hero__stats { gap: 1.5rem; }
}