/* ==========================================
   What's New Page - Custom Styles
   ========================================== */

.whats-new-hero {
  padding: 8rem 0 3rem;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.whats-new-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.whats-new-hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.changelog-container {
  padding: var(--spacing-2xl) 0;
}

.version-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: 0;
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-base);
  overflow: hidden;
}

.version-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.version-card.latest:hover {
  transform: translateY(-4px);
}

.version-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xl);
  cursor: pointer;
  user-select: none;
}

.version-card.latest .version-header {
  cursor: default;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-primary);
}

.version-header:hover:not(.version-card.latest .version-header) {
  background: var(--bg-hover);
}

.version-header-left {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.version-header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.collapse-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
  color: var(--text-secondary);
}

.version-card.collapsed .collapse-icon {
  transform: rotate(-90deg);
}

.version-number {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: var(--spacing-xs);
}

.version-date {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.version-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-2xl);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-latest {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
}

.badge-stable {
  background: var(--gradient-primary);
  color: white;
}

.badge-coming-soon {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
}

.version-content {
  padding: 0 var(--spacing-xl) var(--spacing-xl);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.version-card.latest .version-content,
.version-card:not(.collapsed) .version-content {
  max-height: 5000px;
}

.version-card.latest .version-content {
  padding-top: 0;
}

.changes-section {
  margin-bottom: var(--spacing-md);
}

.changes-section:last-child {
  margin-bottom: 0;
}

.changes-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.changes-title svg {
  width: 20px;
  height: 20px;
}

.changes-list {
  list-style: none;
  padding-left: 2rem;
}

.changes-list li {
  position: relative;
  padding: 0.5rem 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.changes-list li::before {
  content: '•';
  position: absolute;
  left: -1.5rem;
  color: var(--primary);
  font-weight: bold;
  font-size: 1.5rem;
  line-height: 1.6;
}

.empty-state {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.empty-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  opacity: 0.3;
}

.empty-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.empty-text {
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .whats-new-hero {
    padding: 6rem 0 2rem;
  }

  .whats-new-hero h1 {
    font-size: 2rem;
  }

  .whats-new-hero p {
    font-size: 1rem;
  }

  .version-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .version-number {
    font-size: 1.5rem;
  }

  .changes-list {
    padding-left: var(--spacing-md);
  }

  .changes-list li::before {
    left: -1.25rem;
  }
}