/* ===== RESEARCH PAGE STYLES ===== */
/* Extends the Scholar layout for research-specific elements */

/* ===== HEADER ===== */
.research-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.research-header h1 {
  font-size: clamp(2rem, 5vw, 2.5rem);
  margin-bottom: var(--space-lg);
}

.research-intro {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== FEATURED PROJECTS ===== */
.research-projects {
  margin-bottom: var(--space-2xl);
}

.research-project {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
  align-items: start;
}

.research-project:last-child {
  margin-bottom: var(--space-xl);
}

/* Alternate layout - image on right for visual variety */
.research-project:nth-child(even) {
  grid-template-columns: 1fr 340px;
}

.research-project:nth-child(even) .project-visual {
  order: 2;
}

.research-project:nth-child(even) .project-content {
  order: 1;
}

/* ===== PROJECT VISUAL ===== */
.project-visual {
  position: sticky;
  top: var(--space-2xl);
}

.project-visual--primateface {
  max-width: 260px;
}

.project-image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--bg-tertiary);
  border: 2px dashed var(--border);
  border-radius: var(--card-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.project-visual img {
  width: 100%;
  border-radius: var(--card-radius);
  border: 1px solid var(--border);
}

/* ===== PROJECT CONTENT ===== */
.project-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.project-content h2 {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.project-citation {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.project-citation em {
  font-style: italic;
}

.project-summary {
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: var(--space-md);
}

/* ===== EXPANDABLE DETAILS ===== */
.project-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}

.project-details.is-visible {
  max-height: 500px;
  opacity: 1;
  margin-bottom: var(--space-md);
}

.project-details p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.project-toggle {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  margin-bottom: var(--space-md);
  transition: color var(--transition-fast);
}

.project-toggle:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* ===== PROJECT LINKS ===== */
.project-links {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* ===== PUBLICATIONS SECTION ===== */
.research-publications {
  margin-top: var(--space-xl);
}

.publications-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.filter-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

/* ===== PUBLICATIONS LIST ===== */
.publications-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.publication-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-light);
  transition: opacity 0.2s ease;
}

.publication-item:last-child {
  border-bottom: none;
}

.publication-title {
  display: block;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.publication-title:hover {
  color: var(--accent-hover);
}

.publication-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.no-publications {
  color: var(--text-muted);
  font-style: italic;
}

/* ===== ACTIVE NAV STATE ===== */
.scholar-nav a.active {
  color: var(--accent);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .research-project {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .research-project:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .research-project:nth-child(even) .project-visual,
  .research-project:nth-child(even) .project-content {
    order: unset;
  }

  .project-visual {
    position: static;
  }

  .project-image-placeholder {
    max-width: 300px;
    margin: 0 auto;
  }

  .project-content h2 {
    font-size: 1.3rem;
  }

  .project-links {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

/* ===== PRINT ===== */
@media print {
  .project-toggle,
  .publications-filter,
  .claude-theme-toggle {
    display: none;
  }

  .project-details {
    max-height: none;
    opacity: 1;
  }

  .research-project {
    page-break-inside: avoid;
  }
}