@import url('https://fonts.googleapis.com/css2?family=Anton&family=Catamaran:wght@400;600;700&family=Roboto+Mono:wght@400;500&display=swap');

/* Override darkly theme to match slide aesthetic */
body {
  background-color: #0E0E0E !important;
  font-family: 'Catamaran', sans-serif !important;
}

#title-block-header {
  margin-bottom: 2rem;
}

#title-block-header .title {
  font-family: 'Anton', sans-serif !important;
  font-size: 2.8rem;
  letter-spacing: 0.03em;
  color: #FAFAFA;
}

#title-block-header .subtitle {
  font-family: 'Catamaran', sans-serif !important;
  color: #888888 !important;
  font-size: 1.1rem;
}

h2 {
  font-family: 'Anton', sans-serif !important;
  color: #E040FB !important;
  letter-spacing: 0.02em;
  border-bottom: 2px solid #1E1E1E;
  padding-bottom: 0.4rem;
  margin-top: 2.5rem !important;
  margin-bottom: 1rem !important;
}

/* Lecture card grid */
.lecture-grid {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.lecture-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.9rem 1.25rem;
  background: #1A1A1A;
  border: 1px solid #2A2A2A;
  border-left: 4px solid #E040FB;
  border-radius: 6px;
  text-decoration: none !important;
  color: #FAFAFA !important;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}

.lecture-card:hover {
  background: #242424;
  border-color: #E040FB;
  transform: translateX(3px);
}

.lecture-card.locked {
  opacity: 0.3;
  pointer-events: none;
  border-left-color: #333;
}

.lecture-card.locked .lecture-number {
  color: #555;
}

.lecture-number {
  font-family: 'Roboto Mono', monospace;
  font-size: 1.5rem;
  font-weight: 500;
  color: #E040FB;
  min-width: 2.5rem;
  text-align: center;
  flex-shrink: 0;
}

.lecture-info {
  flex: 1;
  min-width: 0;
}

.lecture-info strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: #FAFAFA;
  margin-bottom: 0.1rem;
}

.lecture-info span {
  display: block;
  font-size: 0.85rem;
  color: #888;
}

.lecture-meta {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.8rem;
  color: #555;
  min-width: 5.5rem;
  text-align: right;
  flex-shrink: 0;
}

.badge-locked {
  font-style: italic;
}

/* Lecture row: card + PDF button side by side */
.lecture-row {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}

.lecture-row .lecture-card {
  flex: 1;
  min-width: 0;
}

/* Square PDF download button */
.pdf-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.2rem;
  flex-shrink: 0;
  background: #1A1A1A;
  border: 1px solid #2A2A2A;
  border-radius: 6px;
  color: #888 !important;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none !important;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.pdf-btn:hover {
  background: #242424;
  border-color: #E040FB;
  color: #E040FB !important;
}

.pdf-btn.locked {
  opacity: 0.3;
  pointer-events: none;
}

/* Reference cards — dimmer accent */
.lecture-card.ref-card {
  border-left-color: #888;
}

.lecture-card.ref-card:hover {
  border-color: #888;
}

@media (max-width: 640px) {
  .lecture-card {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .lecture-meta {
    width: 100%;
    text-align: left;
    padding-left: 3.75rem;
  }
}