.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* --- Sticky Day Switcher --- */
#day-switcher {
  position: sticky;
  top: 72px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  display: flex;
  justify-content: center;
  gap: 1rem;
  z-index: 1000;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid #eaeaea;
}

.switcher-btn {
  background: #e9ecef;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  color: #495057;
  cursor: pointer;
  transition: all 0.3s ease;
}

.switcher-btn:hover {
  background: #dee2e6;
}

.switcher-btn.active {
  background: #fbac27;
  color: white;
  box-shadow: 0 4px 10px rgba(13, 110, 253, 0.3);
}

/* --- Section Headers --- */
section {
  padding-top: 2rem;
  margin-bottom: 4rem;
}

h2 {
  font-size: 2rem;
  color: #1a1a1a;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 0.5rem;
  margin-bottom: 2rem;
}

/* --- Grid Layout for Listings --- */
.list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

#day-2-workshop .list {
  grid-template-columns: repeat(2, minmax(480px, 1fr));
}

/* --- Interactive Cards --- */
.quarto-post {
  height: 100%;
  background: #ffffff;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  border: 1px solid #f1f5f9;
  transition:
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column !important;
  justify-content: space-between;
  gap: 0 !important;
}

.quarto-post:hover {
  transform: translateY(-8px);
  box-shadow:
    0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* --- Card Typography & Links --- */
.listing-title {
  margin: 0 0 1rem 0;
  font-size: 1.25rem;
  line-height: 1.4;
}

.listing-title a {
  text-decoration: none;
  color: #1e293b;
  font-weight: 700;
  transition: color 0.2s ease;
}

.quarto-post:hover .listing-title a {
  color: #288dfa;
}

.quarto-post:hover .listing-time {
  color: #288dfa;
}

/* --- Metadata Formatting --- */
.metadata a {
  text-decoration: none;
  color: inherit;
}

.metadata {
  border-top: 1px solid #f1f5f9;
  padding-top: 1rem;
  margin-top: auto;
}

.metadata-value {
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
}

.metadata-value.listing-time {
  font-weight: 700;
}

.metadata-value.listing-speakerlist {
  font-weight: 500;
  color: #334155;
}

/* Hide empty/no matching states */
.d-none {
  display: none !important;
}
.listing-no-matching {
  text-align: center;
  color: #6c757d;
  padding: 2rem;
}