/* ================================================================
   DataHints DS — Breadcrumb Component
   Requires: tokens.css
   ================================================================ */

  /* ─────────────────────────────────────────────────────────────
     DH-BREADCRUMB
  ───────────────────────────────────────────────────────────── */

  .dh-breadcrumb {
    display: flex;
    align-items: center;
    max-width: var(--max-w-narrow);
    margin-bottom: var(--sp-4);
  }

  .bc-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0;
  }

  .bc-item {
    display: flex;
    align-items: center;
  }

  /* Link */
  .bc-link {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--fg-3);
    text-decoration: none;
    border-radius: 2px;
    transition: color var(--ease-fast), text-decoration-color var(--ease-fast);
    text-decoration-color: transparent;
    text-underline-offset: 2px;
  }
  .bc-link:hover {
    color: var(--accent-text);
    text-decoration-line: underline;
    text-decoration-color: var(--accent-text);
  }
  .bc-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 2px;
  }

  /* Separator */
  .bc-sep {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--border-s);
    padding: 0 var(--sp-2);
    user-select: none;
  }

  /* Current page */
  .bc-item--current .bc-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--fg-2);
    max-width: 240px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* Home icon */
  .bc-home-icon {
    flex-shrink: 0;
    display: block;
  }

  /* ── Separator variants ── */
  .sep-chevron .bc-sep::after { content: '›'; }
  .sep-chevron .bc-sep { font-size: 0.875rem; padding: 0 var(--sp-2); color: var(--border-s); }
  .sep-chevron .bc-sep span { display: none; }

  .sep-dot .bc-sep { font-size: 0.875rem; }
  .sep-dot .bc-sep span { display: none; }
  .sep-dot .bc-sep::after { content: '·'; }

  /* ── Pill variant ── */
  .dh-breadcrumb--pill {
    display: inline-flex;
    background: var(--bg-card);
    border: 1px solid var(--border-s);
    border-radius: var(--r-pill);
    padding: var(--sp-2) var(--sp-4);
    margin-bottom: var(--sp-4);
    max-width: fit-content;
  }

  /* ── Wide variant ── */
  .dh-breadcrumb--wide { max-width: none; }

  /* ── Collapsed / hidden items (truncation) ── */
  .bc-item--hidden { display: none; }
  .bc-item--hidden.is-expanded { display: flex; }

  .bc-expand-btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--fg-3);
    background: var(--bg-card);
    border: 1px solid var(--border-s);
    border-radius: var(--r-xs);
    padding: 1px 7px 2px;
    cursor: pointer;
    letter-spacing: 0.04em;
    transition: color var(--ease-fast), border-color var(--ease-fast), background var(--ease-fast);
  }
  .bc-expand-btn:hover { color: var(--accent-text); border-color: var(--border-a); background: var(--bg-card-h); }
  .bc-expand-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

  /* ── Responsive: truncate current label on narrow screens ── */
  @media (max-width: 480px) {
    .bc-item--current .bc-label { max-width: 140px; }
  }