.changelog-hero {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  position: relative;
  overflow: hidden;
}
.changelog-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 30% 20%,
      rgba(59, 130, 246, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 70% 80%,
      rgba(16, 185, 129, 0.1) 0%,
      transparent 50%
    );
}
.version-card {
  background: linear-gradient(
    135deg,
    rgba(75, 60, 60, 0.8) 0%,
    rgba(55, 65, 81, 0.6) 100%
  );
  backdrop-filter: blur(10px);
  border: 1px solid rgba(139, 111, 111, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.version-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: rgba(59, 130, 246, 0.5);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: rgba(45, 55, 72, 0.6);
  border: 1px solid rgba(107, 114, 128, 0.2);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}
.feature-card:hover {
  background: rgba(45, 55, 72, 0.8);
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-2px);
}
.timeline-item {
  position: relative;
  padding-left: 2rem;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: 1.5rem;
  width: 0.75rem;
  height: 0.75rem;
  background: #3b82f6;
  border-radius: 50%;
  border: 2px solid #1e293b;
}
.timeline-item::after {
  content: "";
  position: absolute;
  left: 1rem;
  top: 2.5rem;
  bottom: -1rem;
  width: 2px;
  background: linear-gradient(to bottom, #3b82f6, transparent);
}
.timeline-item:last-child::after {
  display: none;
}
.badge-new {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-fixed {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-feature {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}
.animate-slide-up {
  animation: slideUp 0.6s ease-out;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.stagger-animation > * {
  animation: slideUp 0.6s ease-out;
}
.stagger-animation > *:nth-child(1) {
  animation-delay: 0.1s;
}
.stagger-animation > *:nth-child(2) {
  animation-delay: 0.2s;
}
.stagger-animation > *:nth-child(3) {
  animation-delay: 0.3s;
}
.stagger-animation > *:nth-child(4) {
  animation-delay: 0.4s;
}
.stagger-animation > *:nth-child(5) {
  animation-delay: 0.5s;
}
.inline-code {
  background: rgba(55, 65, 81, 0.5);
  color: #60a5fa;
  padding: 0.125rem 0.25rem;
  border-radius: 0.25rem;
  font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
  font-size: 0.875em;
  border: 1px solid rgba(96, 165, 250, 0.3);
}