// Breadcrumb Component Styles

.breadcrumb {
  padding: 1rem 0;
  margin-bottom: 1rem;
  background: transparent;
  display: flex;
  align-items: center;
  min-height: 2rem;
  
  .breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0.5rem;
    width: 100%;
  }
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  line-height: 1.5;
  
  &.active {
    .breadcrumb-text {
      color: var(--mm-text-primary, rgba(0, 0, 0, 0.87));
      font-weight: 500;
    }
  }
  
  &.disabled {
    .breadcrumb-text {
      color: var(--mm-text-disabled, rgba(0, 0, 0, 0.38));
      cursor: not-allowed;
    }
  }
  
  &.breadcrumb-ellipsis {
    .breadcrumb-text {
      color: var(--mm-text-secondary, rgba(0, 0, 0, 0.6));
      font-weight: 400;
      user-select: none;
    }
  }
}

.breadcrumb-link {
  display: flex;
  align-items: center;
  color: var(--mm-primary-color, #26a69a);
  text-decoration: none;
  transition: color 0.2s ease;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  
  &:hover {
    color: var(--mm-primary-color-dark, #00695c);
    text-decoration: underline;
    background: var(--mm-primary-color-light, rgba(38, 166, 154, 0.1));
  }
  
  &:focus {
    outline: 2px solid var(--mm-primary-color, #26a69a);
    outline-offset: 2px;
    border-radius: 2px;
  }
}

.breadcrumb-text {
  color: var(--mm-text-primary, rgba(0, 0, 0, 0.87));
  font-weight: 400;
  line-height: inherit;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 200px;
}

.breadcrumb-icon {
  font-size: 1.125rem;
  width: 18px;
  height: 18px;
  margin-right: 0.5rem;
  flex-shrink: 0;
  color: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
}

.breadcrumb-separator {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mm-text-secondary, rgba(0, 0, 0, 0.6));
  user-select: none;
  height: 18px;
  
  .material-icons {
    font-size: 1.125rem;
    width: 18px;
    height: 18px;
    line-height: 18px;
  }
}

// Variants
.breadcrumb.compact {
  padding: 0.25rem 0;
  margin-bottom: 0.5rem;
  
  .breadcrumb-item {
    font-size: 0.75rem;
  }
  
  .breadcrumb-icon {
    font-size: 0.875rem;
    width: 14px;
    height: 14px;
  }
  
  .breadcrumb-separator .material-icons {
    font-size: 0.875rem;
    width: 14px;
    height: 14px;
  }
}

.breadcrumb.large {
  padding: 0.75rem 0;
  margin-bottom: 1.5rem;
  
  .breadcrumb-item {
    font-size: 1rem;
  }
  
  .breadcrumb-icon {
    font-size: 1.125rem;
    width: 18px;
    height: 18px;
  }
  
  .breadcrumb-separator .material-icons {
    font-size: 1.125rem;
    width: 18px;
    height: 18px;
  }
}

// Responsive behavior
@media (max-width: 600px) {
  .breadcrumb {
    .breadcrumb-list {
      gap: 0.125rem;
    }
    
    .breadcrumb-item {
      font-size: 0.75rem;
    }
    
    .breadcrumb-text {
      max-width: 120px;
    }
    
    .breadcrumb-icon {
      font-size: 0.875rem;
      width: 14px;
      height: 14px;
      margin-right: 0.125rem;
    }
    
    .breadcrumb-separator .material-icons {
      font-size: 0.875rem;
      width: 14px;
      height: 14px;
    }
  }
}

// Dark theme adjustments
[data-theme="dark"] {
  .breadcrumb-link {
    color: var(--mm-primary-color, #80cbc4);
    
    &:hover {
      color: var(--mm-primary-color-light, #b2dfdb);
    }
  }
}

// Alternative separator styles
.breadcrumb.slash-separator {
  .breadcrumb-separator {
    font-family: monospace;
    font-size: 0.875rem;
    
    .material-icons {
      display: none;
    }
    
    &::before {
      content: '/';
      color: var(--mm-text-secondary, rgba(0, 0, 0, 0.6));
    }
  }
}

.breadcrumb.dot-separator {
  .breadcrumb-separator {
    .material-icons {
      display: none;
    }
    
    &::before {
      content: '•';
      color: var(--mm-text-secondary, rgba(0, 0, 0, 0.6));
      font-size: 1rem;
    }
  }
}

// Accessibility improvements
.breadcrumb {
  nav[aria-label]:not([aria-label=""]) & {
    // Breadcrumb is already in a nav with aria-label
  }
  
  &:not([aria-label]) {
    aria-label: "Breadcrumb navigation";
  }
}

.breadcrumb-link {
  &[aria-current="page"] {
    color: var(--mm-text-primary, rgba(0, 0, 0, 0.87));
    text-decoration: none;
    font-weight: 500;
    
    &:hover {
      text-decoration: none;
    }
  }
}