/* LLM Agents Survey - Custom Styles */

/* Hero section on homepage */
.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  color: white;
  padding: 4rem 2rem;
  margin: -1rem -1rem 2rem -1rem;
  border-radius: 0 0 1rem 1rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: white !important;
}

.hero p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 700px;
}

/* Category cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.survey-card {
  border: 1px solid #e0e0e0;
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.survey-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.12);
  text-decoration: none;
}

.survey-card h3 {
  margin-top: 0.5rem;
  color: #0f3460;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

/* Paper entries */
.paper-entry {
  border-left: 4px solid #0f3460;
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  background: #f8f9fa;
  border-radius: 0 0.5rem 0.5rem 0;
}

.paper-entry h4 {
  margin: 0 0 0.3rem 0;
  font-size: 1rem;
}

.paper-entry .meta {
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 0.4rem;
}

/* Timeline */
.timeline-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.timeline-date {
  min-width: 90px;
  font-weight: 600;
  color: #0f3460;
  font-size: 0.9rem;
  padding-top: 0.15rem;
}

.timeline-content {
  flex: 1;
  border-left: 2px solid #0f3460;
  padding-left: 1rem;
}

/* Tags */
.tag {
  display: inline-block;
  background: #e8eef7;
  color: #0f3460;
  padding: 0.15rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.8rem;
  margin: 0.1rem;
}

/* Callout override */
.callout {
  margin: 1.5rem 0;
}

/* Stats bar */
.stats-bar {
  display: flex;
  gap: 2rem;
  background: #f0f4f8;
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 700;
  color: #0f3460;
}

.stat-label {
  font-size: 0.85rem;
  color: #666;
}