{% comment %}
SPDX-License-Identifier: GPL-3.0-or-later
SPDX-FileCopyrightText: 2026 Valentin Gagarin <valentin@gagarin.work>
{% endcomment %}
{%- unless page.url == '/' -%}
<nav aria-label="Breadcrumb">
  <ol>
    <li><a href="/">Spectrum</a></li>
    {%- assign parts = page.url | split: '/' -%}
    {%- assign acc = '' -%}
    {%- for part in parts offset: 1 -%}
      {%- assign acc = acc | append: '/' | append: part -%}
      {%- assign parent_url = acc | append: '/' -%}
      {%- if parent_url == page.url -%}{%- continue -%}{%- endif -%}
      {%- assign parent = site.pages | where: 'url', parent_url | first -%}
      {%- if parent %}
    <li><a href="{{ parent.url }}">{{ parent.title }}</a></li>
      {%- endif -%}
    {%- endfor %}
    <li aria-current="page">{{ page.title }}</li>
  </ol>
</nav>
{%- endunless -%}