margin: 0;

  }

}

/* ── Repository view ──────────────────────────────────────────────────────── */

/* The GitHub-shaped repo home: a ref bar, the latest commit, the tree, and a

 * rail describing the repository. Adapted from the clones catalogued in

 * docs/audits/2026-08-19-github-clone-harvest-candidates.md -- gh-next (MIT)

 * for the Tailwind repo home, Gitea's view_list.tmpl for what a tree row

 * carries. Values are ours. */

@layer components {

  .repo-view {

    display: grid;

    align-items: start;

    grid-template-columns: minmax(0, 1fr);

    gap: 24px;

  }

  @media (min-width: 1024px) {

    .repo-view {

      grid-template-columns: minmax(0, 1fr) 296px;

    }

  }

  /* ── File table ─────────────────────────────────────────────────────────── */

  .file-table {

    overflow: hidden;

    border: 1px solid var(--line);

    border-radius: var(--radius-lg);

  }

  .file-table__bar {

    display: flex;

    flex-wrap: wrap;

    align-items: center;

    gap: 8px 16px;

    padding: 12px;

    background: var(--ink-surface);

    font-size: 0.8125rem;

  }

  .file-table__ref {

    display: inline-flex;

    align-items: center;

    gap: 6px;

    border: 1px solid var(--line-strong);

    border-radius: 6px;

    padding: 4px 10px;

    color: var(--text-primary);

    font-weight: 500;

  }

  .file-table__count {

    color: var(--text-muted);

  }

  .file-table__count strong {

    color: var(--text-primary);

    font-variant-numeric: tabular-nums;

  }

  .file-table__actions {

    display: flex;

    align-items: center;

    gap: 8px;

    margin-inline-start: auto;

  }

  /* Above the table, not inside it. This row describes the whole tree, and a

     row that describes the table while looking like a row in it is the part of

     GitHub's own version that reads oddly at first glance. */

  .file-table__commit {

    display: flex;

    flex-wrap: wrap;

    align-items: center;

    gap: 8px 12px;

    border-block: 1px solid var(--line);

    background: var(--ink-raised);

    padding: 10px 12px;

    color: var(--text-muted);

    font-size: 0.8125rem;

  }

  .file-table__list {

    width: 100%;

    border-collapse: collapse;

    font-size: 0.875rem;

  }

  .file-row + .file-row {

    border-top: 1px solid var(--line-faint);

  }

  .file-row td {

    padding: 8px 12px;

  }

  .file-row__link {

    display: inline-flex;

    align-items: center;

    gap: 10px;

    color: var(--text-body);

    text-decoration: none;

  }

  /* A folder leads, so it is tinted; a file is the default and is not. Tinting

     both would mean tinting nothing. */

  .file-row[data-kind="tree"] .file-row__link .icon {

    color: var(--info);

  }

  .file-row .icon {

    width: 16px;

    height: 16px;

    flex: none;

    color: var(--icon-tertiary);

    font-size: 16px;

  }

  @media (hover: hover) {

    .file-row__link:hover {

      color: var(--text-primary);

      text-decoration: underline;

      text-underline-offset: 2px;

    }

  }

  .file-row__size {

    width: 1%;

    color: var(--text-dim);

    font-size: 0.75rem;

    font-variant-numeric: tabular-nums;

    text-align: end;

    white-space: nowrap;

  }

  .file-table__empty {

    padding: 16px 12px;

    color: var(--text-dim);

    font-size: 0.875rem;

  }

  /* ── About rail ─────────────────────────────────────────────────────────── */

  .repo-about {

    display: flex;

    flex-direction: column;

    gap: 16px;

  }

  .repo-about__title {

    color: var(--text-primary);

    font-size: 1rem;

    font-weight: 600;

  }

  .repo-about__description {

    color: var(--text-muted);

    font-size: 0.9375rem;

    line-height: 1.5;

    text-wrap: pretty;

  }

  .repo-about__links,

  .repo-about__stats,

  .repo-about__language-list {

    display: flex;

    flex-direction: column;

    gap: 8px;

    margin: 0;

    padding: 0;

    list-style: none;

  }

  .repo-about__links li,

  .repo-about__stats li,

  .repo-about__language-list li {

    display: flex;

    align-items: center;

    gap: 8px;

    color: var(--text-muted);

    font-size: 0.875rem;

  }

  .repo-about__links a {

    display: inline-flex;

    align-items: center;

    gap: 8px;

    color: var(--text-muted);

    text-decoration: none;

  }

  @media (hover: hover) {

    .repo-about__links a:hover {

      color: var(--text-primary);

    }

  }

  .repo-about .icon {

    width: 16px;

    height: 16px;

    flex: none;

    color: var(--icon-tertiary);

    font-size: 16px;

  }

  .repo-about__languages h3 {

    padding-block-end: 8px;

    color: var(--text-primary);

    font-size: 0.875rem;

    font-weight: 600;

  }

  /* One bar rather than a stack: the proportions are the point, and they only

     read as proportions when the segments share a length. */

  .language-bar {

    display: flex;

    height: 8px;

    overflow: hidden;

    border-radius: 999px;

    background: var(--line);

  }

  .language-bar__segment {

    height: 100%;

  }

  .language-dot {

    width: 10px;

    height: 10px;

    flex: none;

    border-radius: 50%;

  }

  /* A fixed rotation rather than a hash of the name: six steps off the ink

     ladder, so the chart stays in the palette and two adjacent languages are

     always distinguishable. */

  .language-bar__segment[data-index="0"], .language-dot[data-index="0"] { background: var(--text-primary); }

  .language-bar__segment[data-index="1"], .language-dot[data-index="1"] { background: var(--info); }

  .language-bar__segment[data-index="2"], .language-dot[data-index="2"] { background: var(--success); }

  .language-bar__segment[data-index="3"], .language-dot[data-index="3"] { background: var(--warning); }

  .language-bar__segment[data-index="4"], .language-dot[data-index="4"] { background: var(--text-muted); }

  .language-bar__segment[data-index="5"], .language-dot[data-index="5"] { background: var(--text-dim); }

  .repo-about__percent {

    color: var(--text-dim);

    font-variant-numeric: tabular-nums;

  }

}

          source: "OpenAgentsWeb.UI.breadcrumb/1",

          summary: "Ancestor trail ending in the current page, which is not a link."

        },

        %{

          slug: "openagents-file-table",

          title: "File table",

          icon: "folder",

          source: "OpenAgentsWeb.UI.file_table/1",

          summary: "A repository tree: ref bar, latest commit, and entries."

        },

        %{

          slug: "openagents-repo-about",

          title: "Repo about",

          icon: "info",

          source: "OpenAgentsWeb.UI.repo_about/1",

          summary: "The rail beside a repository: description, licence, languages."

        },

        %{

          slug: "openagents-diff-file",

          title: "Diff",

    """

  end

  @doc """

  A repository's file table: the ref bar, the latest commit, and the entries.

  Adapted from the GitHub-shaped clones catalogued in

  `docs/audits/2026-08-19-github-clone-harvest-candidates.md` -- `gh-next`

  (MIT, Fredkiss3/gh-next) for the Tailwind repo home's header and rail, and

  Gitea's `view_list.tmpl` for what a tree row must actually carry.

  Directories sort above files, which is what `Browse.tree/3` already returns

  and what makes a deep repository scannable: a reader looks for the folder

  first and only then for the file.

  The latest-commit bar sits above the table rather than inside it. It

  describes the tree as a whole, and a row that describes the whole table but

  looks like a row is the reason GitHub's own version of this reads oddly on

  first sight.

  Per-row commit messages are deliberately absent. GitHub fills them by

  walking history once per path, which is one process per file; when we have

  that cheaply the slot is `meta` and it costs no markup change.

  """

  attr :owner, :string, required: true

  attr :repo, :string, required: true

  attr :ref, :string, required: true

  attr :path, :string, default: ""

  attr :entries, :list, required: true, doc: "`[%{name, kind, size}]` from `Browse.tree/3`"

  attr :branches, :integer, default: nil

  attr :tags, :integer, default: nil

  attr :class, :any, default: nil

  slot :commit, doc: "the latest commit, shown above the table"

  slot :actions, doc: "controls at the trailing edge of the ref bar"

  def file_table(assigns) do

    ~H"""

    <div class={["file-table", @class]}>

      <div class="file-table__bar">

        <span class="file-table__ref">

          <.icon name="branch" /> {@ref}

        </span>

        <span :if={@branches} class="file-table__count">

          <strong>{@branches}</strong> {plural(@branches, "Branch", "Branches")}

        </span>

        <span :if={@tags} class="file-table__count">

          <strong>{@tags}</strong> {plural(@tags, "Tag", "Tags")}

        </span>

        <span :if={@actions != []} class="file-table__actions">{render_slot(@actions)}</span>

      </div>

      <div :if={@commit != []} class="file-table__commit">{render_slot(@commit)}</div>

      <table class="file-table__list">

        <caption class="visually-hidden">

          Files in {(@path == "" && "the repository root") || @path}

        </caption>

        <tbody>

          <tr :for={entry <- @entries} class="file-row" data-kind={entry.kind}>

            <td class="file-row__name">

              <.link navigate={entry_path(@owner, @repo, @ref, @path, entry)} class="file-row__link">

                <.icon name={if entry.kind == "tree", do: "folder", else: "file-document"} />

                {entry.name}

              </.link>

            </td>

            <td class="file-row__size">{size_label(entry)}</td>

          </tr>

        </tbody>

      </table>

      <p :if={@entries == []} class="file-table__empty">Nothing at this path.</p>

    </div>

    """

  end

  # A directory goes to `tree`, a file to `blob`. GitHub's grammar, which the

  # harvest audit treats as the compatibility target rather than a style

  # choice: an existing link, bookmark, or `gh`-shaped tool should keep working.

  defp entry_path(owner, repo, ref, path, %{kind: kind, name: name}) do

    noun = if kind == "tree", do: "tree", else: "blob"

    joined = if path == "", do: name, else: path <> "/" <> name

    "/#{owner}/#{repo}/#{noun}/#{ref}/#{joined}"

  end

  # `UI` is not a gettext backend, and these two words are the only plurals it

  # needs.

  defp plural(1, singular, _plural), do: singular

  defp plural(_count, _singular, plural), do: plural

  defp size_label(%{kind: "tree"}), do: nil

  defp size_label(%{size: nil}), do: nil

  defp size_label(%{size: bytes}) when is_integer(bytes) do

    cond do

      bytes < 1_024 -> "#{bytes} B"

      bytes < 1_048_576 -> "#{Float.round(bytes / 1_024, 1)} KB"

      true -> "#{Float.round(bytes / 1_048_576, 1)} MB"

    end

  end

  defp size_label(_entry), do: nil

  @doc """

  The rail beside a repository: what it is, how it is licensed, what it is made of.

  Adapted from `gh-next`'s repo home. Every row is optional, and an absent one

  renders nothing rather than a placeholder -- a rail that says "no description"

  is louder than one that simply does not mention it.

  """

  attr :description, :string, default: nil

  attr :license, :string, default: nil

  attr :class, :any, default: nil

  slot :link, doc: "one related destination" do

    attr :icon, :string

    attr :navigate, :string

    attr :href, :string

  end

  slot :stat, doc: "one count" do

    attr :icon, :string

  end

  slot :language, doc: "one language" do

    attr :percent, :float, required: true

  end

  def repo_about(assigns) do

    ~H"""

    <aside class={["repo-about", @class]} aria-label="About this repository">

      <h2 class="repo-about__title">About</h2>

      <p :if={@description} class="repo-about__description">{@description}</p>

      <ul :if={@link != [] or @license} class="repo-about__links">

        <li :if={@license}>

          <.icon name="scales" /> {@license}

        </li>

        <li :for={link <- @link}>

          <.link navigate={link[:navigate]} href={link[:href]}>

            <.icon :if={link[:icon]} name={link.icon} /> {render_slot(link)}

          </.link>

        </li>

      </ul>

      <ul :if={@stat != []} class="repo-about__stats">

        <li :for={stat <- @stat}>

          <.icon :if={stat[:icon]} name={stat.icon} /> {render_slot(stat)}

        </li>

      </ul>

      <div :if={@language != []} class="repo-about__languages">

        <h3>Languages</h3>

        <%!-- One bar, not a stack of bars: the proportions are the point, and

        they only read as proportions when they share a length. --%>

        <div class="language-bar" role="img" aria-label="Language breakdown">

          <span

            :for={{language, index} <- Enum.with_index(@language)}

            class="language-bar__segment"

            data-index={rem(index, 6)}

            style={"width: #{language.percent}%"}

          ></span>

        </div>

        <ul class="repo-about__language-list">

          <li :for={{language, index} <- Enum.with_index(@language)}>

            <span class="language-dot" data-index={rem(index, 6)} aria-hidden="true"></span>

            {render_slot(language)} <span class="repo-about__percent">{language.percent}%</span>

          </li>

        </ul>

      </div>

    </aside>

    """

  end

  @doc """

  One file's diff: a header, its hunks, and every line numbered on both sides.

    """

  end

  defp component_demo(%{item: %{slug: "openagents-file-table"}} = assigns) do

    assigns =

      assign(assigns, :entries, [

        %{name: "assets", kind: "tree", size: nil},

        %{name: "config", kind: "tree", size: nil},

        %{name: "lib", kind: "tree", size: nil},

        %{name: "priv", kind: "tree", size: nil},

        %{name: "test", kind: "tree", size: nil},

        %{name: ".formatter.exs", kind: "blob", size: 412},

        %{name: "mix.exs", kind: "blob", size: 4_318},

        %{name: "README.md", kind: "blob", size: 1_204_291}

      ])

    ~H"""

    <div class="space-y-3">

      <p class="text-sm text-base-content/60">

        Takes what <code>Browse.tree/3</code> already returns. Directories sort above

        files, which is what makes a deep repository scannable: a reader looks for the

        folder first and only then for the file.

      </p>

      <p class="text-sm text-base-content/60">

        The latest commit sits above the table, not inside it. It describes the tree as

        a whole, and a row that describes the table while looking like a row in it is

        the part of GitHub's own version that reads oddly at first glance.

      </p>

      <UI.file_table

        owner="OpenAgentsInc"

        repo="openagents.com"

        ref="main"

        entries={@entries}

        branches={2}

        tags={0}

      >

        <:actions>

          <UI.button size={:sm}>Add file</UI.button>

          <UI.button variant={:primary} size={:sm}>Code</UI.button>

        </:actions>

        <:commit>

          <strong>AtlantisPleb</strong>

          <span>The commit page shows a diff instead of printing one</span>

          <code>57d5fd9</code>

          <span>15 minutes ago</span>

        </:commit>

      </UI.file_table>

      <p class="text-sm text-base-content/60">

        Per-row commit messages are deliberately absent: GitHub fills them by walking

        history once per path, which is one git process per file. When that is cheap the

        row has a slot for it and the markup does not change.

      </p>

    </div>

    """

  end

  defp component_demo(%{item: %{slug: "openagents-repo-about"}} = assigns) do

    ~H"""

    <div class="space-y-3">

      <p class="text-sm text-base-content/60">

        Every row is optional and an absent one renders nothing. A rail that says

        "no description" is louder than one that simply does not mention it.

      </p>

      <div class="max-w-xs">

        <UI.repo_about description="The Agent Forge" license="AGPL-3.0">

          <:link icon="book" navigate="/docs">Readme</:link>

          <:link icon="text" navigate="/changelog">Activity</:link>

          <:stat icon="star">2 stars</:stat>

          <:stat icon="eye">0 watching</:stat>

          <:language percent={91.8}>Elixir</:language>

          <:language percent={3.1}>CSS</:language>

          <:language percent={3.1}>Shell</:language>

          <:language percent={1.0}>JavaScript</:language>

          <:language percent={1.0}>Other</:language>

        </UI.repo_about>

      </div>

      <p class="text-sm text-base-content/60">

        The language breakdown is one bar rather than a stack of them: the proportions

        are the point, and they only read as proportions when the segments share a

        length. Colours are a fixed six-step rotation off the ink ladder, so the chart

        stays in the palette instead of hashing a hue per language name.

      </p>

    </div>

    """

  end

  defp component_demo(%{item: %{slug: "openagents-diff-file"}} = assigns) do

    assigns =

      assign(