.container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-6) var(--spacing-4);
  min-height: calc(100vh - 200px);
}

/* Breadcrumb Navigation */
.breadcrumb {
  margin-bottom: var(--spacing-6);
}

.breadcrumbList {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-2);
}

.breadcrumbItem {
  display: flex;
  align-items: center;
}

.breadcrumbLink {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--animation-duration-fast) ease;
}

.breadcrumbLink:hover {
  color: var(--primary);
}

.breadcrumbSeparator {
  color: var(--muted-foreground);
  display: flex;
  align-items: center;
}

.breadcrumbCurrent {
  color: var(--foreground);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Page Header */
.header {
  margin-bottom: var(--spacing-8);
  padding-bottom: var(--spacing-6);
  border-bottom: 1px solid var(--border);
}

.headerContent {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.titleSection {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
}

.titleIcon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  color: white;
  flex-shrink: 0;
}

.title {
  font-family: var(--font-family-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--foreground);
  margin: 0 0 var(--spacing-2) 0;
  line-height: 1.2;
}

.subtitle {
  color: var(--muted-foreground);
  font-size: 1rem;
  margin: 0;
  line-height: 1.5;
}

.markAllButton {
  flex-shrink: 0;
  gap: var(--spacing-2);
}

.unreadBadge {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.unreadCount {
  background-color: var(--primary);
  color: var(--primary-foreground);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Content */
.content {
  position: relative;
}

.notificationsWrapper {
  background-color: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.notificationsList {
  padding: var(--spacing-4);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: var(--spacing-4) var(--spacing-3);
  }

  .headerContent {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-4);
  }

  .titleSection {
    gap: var(--spacing-3);
  }

  .titleIcon {
    width: 48px;
    height: 48px;
  }

  .title {
    font-size: 1.75rem;
  }

  .subtitle {
    font-size: 0.9375rem;
  }

  .markAllButton {
    align-self: flex-start;
  }

  .breadcrumbList {
    gap: var(--spacing-1);
  }

  .breadcrumbLink,
  .breadcrumbCurrent {
    font-size: 0.8125rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: var(--spacing-3) var(--spacing-2);
  }

  .titleSection {
    flex-direction: column;
    gap: var(--spacing-3);
    text-align: center;
  }

  .titleIcon {
    align-self: center;
    width: 56px;
    height: 56px;
  }

  .title {
    font-size: 1.5rem;
  }

  .notificationsList {
    padding: var(--spacing-3);
  }
}

/* Dark mode adjustments */
:global(.dark) .titleIcon {
  background: var(--gradient-primary);
}

:global(.dark) .notificationsWrapper {
  background-color: var(--card);
  border-color: var(--border);
}

/* Animation for unread badge */
.unreadBadge {
  animation: slideIn var(--animation-duration-normal) ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Focus states for accessibility */
.breadcrumbLink:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* High contrast support */
@media (prefers-contrast: high) {
  .titleIcon {
    border: 2px solid var(--foreground);
  }
  
  .unreadCount {
    border: 1px solid var(--foreground);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .unreadBadge {
    animation: none;
  }
  
  .breadcrumbLink,
  .markAllButton {
    transition: none;
  }
}