/* Notable Transactions Section */
.notable-transactions {
  padding: 3rem 0 4rem 0;
  background: linear-gradient(135deg, #0b0f1a 0%, #1a1f2e 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.notable-transactions__header {
  text-align: center;
  margin-bottom: 3rem;
}

.notable-transactions__title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #00d4ff 0%, #00ff88 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.notable-transactions__subtitle {
  font-size: 1.125rem;
  color: #94a3b8;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.notable-transactions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* Transaction Card */
.transaction-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.transaction-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.transaction-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--category-gradient);
  opacity: 0.8;
}

/* Category-specific gradients */
.transaction-card--genesis {
  --category-gradient: linear-gradient(90deg, #f7931a 0%, #ffb347 100%);
}

.transaction-card--historic {
  --category-gradient: linear-gradient(90deg, #00d4ff 0%, #0099cc 100%);
}

.transaction-card--cultural {
  --category-gradient: linear-gradient(90deg, #ff6b6b 0%, #ff8e8e 100%);
}

.transaction-card--technical {
  --category-gradient: linear-gradient(90deg, #00ff88 0%, #00cc6a 100%);
}

.transaction-card--exchange {
  --category-gradient: linear-gradient(90deg, #9c88ff 0%, #7c6aff 100%);
}

.transaction-card--enforcement {
  --category-gradient: linear-gradient(90deg, #ff9500 0%, #ffb347 100%);
}

.transaction-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.transaction-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.transaction-card__category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.transaction-card__content {
  margin-bottom: 1.5rem;
}

.transaction-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.transaction-card__description {
  font-size: 0.875rem;
  color: #94a3b8;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.transaction-card__txid {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
}

.txid-label {
  color: #64748b;
  font-weight: 500;
}

.txid-value {
  color: #00d4ff;
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  background: rgba(0, 212, 255, 0.1);
  padding: 0.125rem 0.25rem;
  border-radius: 3px;
  font-size: 0.6875rem;
}

.transaction-card__actions {
  display: flex;
  gap: 0.75rem;
}

.transaction-card__convert-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: linear-gradient(135deg, #00d4ff 0%, #00ff88 100%);
  color: #0b0f1a;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.transaction-card__convert-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

.transaction-card__convert-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.transaction-card__convert-btn:active:not(:disabled) {
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
  .notable-transactions {
    padding: 3rem 0;
  }

  .notable-transactions__title {
    font-size: 2rem;
  }

  .notable-transactions__subtitle {
    font-size: 1rem;
  }

  .notable-transactions__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .transaction-card {
    padding: 1.25rem;
  }
}

@media (max-width: 480px) {
  .notable-transactions__title {
    font-size: 1.75rem;
  }

  .transaction-card__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .transaction-card__icon {
    width: 36px;
    height: 36px;
  }
}