/**
 * Anchor — In-page nav — PimentCSS v1
 */
@use "../abstracts/variables" as v;

$anchor-l2-offset: v.$anchor-item-px-l2 - v.$anchor-item-px-l1;

.#{v.class-seg()}anchor-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: max-content;
  max-width: none;
  margin: 0;
  padding: 0;
  list-style: none;
}

.#{v.class-seg()}anchor-item {
  position: relative;
  z-index: 0;
  display: inline-flex;
  align-items: center;
  gap: v.$anchor-item-gap;
  width: max-content;
  min-height: 2.75rem;
  padding: v.$anchor-item-py v.$anchor-item-px-l1;
  border: 0;
  border-left: v.$border-width-1 solid var(--border-primary);
  border-radius: 0;
  background: transparent;
  color: var(--text-body);
  font-family: var(--font-family-body);
  font-size: var(--font-size-body-medium);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body-medium);
  letter-spacing: var(--letter-spacing-body-medium);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  box-sizing: border-box;
  transition:
    border-color v.$motion-duration-fast v.$motion-easing,
    color v.$motion-duration-fast v.$motion-easing;

  &::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: transparent;
    transition: background-color v.$motion-duration-fast v.$motion-easing;
  }

  &:hover:not(:disabled):not([aria-disabled="true"]),
  &.#{v.class-seg()}anchor-item--hover {
    border-left-color: var(--border-action-hover);
    color: var(--text-action);

    &::before {
      background: var(--surface-action-hover-2);
    }
  }

  &:focus-visible {
    outline: v.$border-width-2 solid var(--border-focus);
    outline-offset: 2px;
    z-index: 1;
  }

  &--level-2 {
    margin-inline-start: $anchor-l2-offset;
    padding-inline: v.$anchor-item-px-l1;
  }

  &--selected,
  &[aria-current="page"],
  &[aria-current="true"] {
    border-left-width: v.$anchor-border-selected;
    color: var(--text-action);
    font-weight: var(--font-weight-semi-bold);

    &:hover:not(:disabled):not([aria-disabled="true"]),
    &.#{v.class-seg()}anchor-item--hover {
      color: var(--text-action);
    }
  }
}

.#{v.class-seg()}anchor-item__icon {
  flex-shrink: 0;
  width: v.$link-icon-size;
  height: v.$link-icon-size;
  color: currentColor;
}

.#{v.class-seg()}anchor-item__label {
  flex: 0 0 auto;
}

/**
 * Optional: fixed-width sidebar TOC (ellipsis). Default nav grows to fit labels.
 */
.#{v.class-seg()}anchor-nav--constrained {
  width: 100%;
  max-width: 8.75rem; /* ~110px — Figma spec when space is limited */

  .#{v.class-seg()}anchor-item {
    max-width: 100%;
    overflow: hidden;
  }

  .#{v.class-seg()}anchor-item__label {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}