body.xc-docs-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin: 0;
    padding: 0;
    color: #2a3042;
    background: #fff;
}
.xc-docs-header {
    padding: 24px 40px;
    border-bottom: 1px solid #eceff4;
}
.xc-docs-header-row { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.xc-docs-header h1 { margin: 0; font-size: 22px; }
.xc-docs-header p { margin: 4px 0 0; color: #8a95a7; font-size: 13px; }
.xc-docs-header-nav { display: flex; gap: 16px; font-size: 14px; }
.xc-docs-header-nav a { color: #525f7f; text-decoration: none; padding: 6px 12px; border-radius: 4px; }
.xc-docs-header-nav a:hover { background: #f6f9fc; color: #5469d4; }
.xc-docs-layout { display: flex; min-height: calc(100vh - 80px); }
.xc-docs-sidebar {
    width: 280px;
    border-right: 1px solid #eceff4;
    padding: 16px;
    overflow-y: auto;
    font-size: 14px;
    max-height: calc(100vh - 80px);
    position: sticky;
    top: 0;
}
.xc-docs-sidebar-intro h2 { margin: 0 0 4px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: #8a95a7; }
.xc-docs-sidebar-intro p { margin: 6px 0 12px; font-size: 12px; line-height: 1.45; color: #525f7f; }
.xc-docs-sidebar-intro code { font-family: 'SF Mono', Menlo, monospace; background: #f6f9fc; padding: 0 4px; border-radius: 3px; font-size: 11px; }
.xc-docs-sidebar-search { width: 100%; padding: 6px 8px; border: 1px solid #eceff4; border-radius: 4px; font-size: 13px; box-sizing: border-box; margin-bottom: 12px; }
.xc-docs-sidebar-search:focus { outline: none; border-color: #5469d4; }
.xc-docs-sidebar ul { list-style: none; padding-left: 12px; margin: 4px 0 8px; }
.xc-docs-sidebar li { margin: 3px 0; }
.xc-docs-sidebar a { color: #344563; text-decoration: none; }
.xc-docs-sidebar a:hover { color: #5469d4; text-decoration: underline; }
.xc-docs-category { margin: 2px 0; }
.xc-docs-category > summary {
    cursor: pointer;
    list-style: none;
    padding: 4px 6px;
    font-weight: 500;
    color: #344563;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 3px;
}
.xc-docs-category > summary::-webkit-details-marker { display: none; }
.xc-docs-category > summary::before { content: '\25B8'; margin-right: 6px; font-size: 10px; color: #8a95a7; transition: transform 0.1s; }
.xc-docs-category[open] > summary::before { transform: rotate(90deg); }
.xc-docs-category > summary:hover { background: #f6f9fc; }
.xc-docs-cat-label { flex: 1; text-transform: capitalize; }
.xc-docs-cat-count { color: #8a95a7; font-size: 11px; font-weight: 400; }
.xc-docs-reference { flex: 1; padding: 20px; overflow-y: auto; }
.xc-docs-feature { max-width: 880px; margin: 0 auto; padding: 24px; }
.xc-docs-feature h1 { margin-top: 0; }
.xc-docs-feature table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.xc-docs-feature th, .xc-docs-feature td { padding: 8px 10px; border-bottom: 1px solid #eceff4; text-align: left; font-size: 14px; }
.xc-docs-feature code { font-family: 'SF Mono', Menlo, monospace; background: #f6f9fc; padding: 1px 6px; border-radius: 3px; font-size: 12px; }
.xc-docs-required { background: #ffe6e6; color: #b02a37; padding: 1px 6px; border-radius: 3px; font-size: 11px; text-transform: uppercase; }
.xc-docs-constraint { color: #8a95a7; font-size: 12px; }
.xc-docs-more { color: #8a95a7; font-size: 12px; }
.xc-docs-breadcrumb { padding: 16px 40px; color: #525f7f; font-size: 13px; border-bottom: 1px solid #eceff4; }
.xc-docs-breadcrumb a { color: #5469d4; text-decoration: none; }
.xc-docs-version { color: #8a95a7; font-size: 13px; }
.xc-docs-snippets details { margin: 10px 0; border: 1px solid #eceff4; border-radius: 6px; padding: 0; overflow: hidden; }
.xc-docs-snippets summary { cursor: pointer; font-weight: 500; padding: 8px 12px; background: #fafbfc; }
.xc-docs-snippets summary:hover { background: #f3f5f8; }
.xc-docs-snippets details[open] summary { border-bottom: 1px solid #eceff4; }
.xc-docs-snippets details > .xc-code-block { border: none; border-radius: 0; margin: 0; }
.xc-docs-footer { padding: 20px 40px; border-top: 1px solid #eceff4; font-size: 12px; color: #8a95a7; }

/* =====================================================================
   Code blocks — Stripe-inspired chrome wrapping Shiki output.
   ===================================================================== */
.xc-code-block {
    position: relative;
    margin: 16px 0;
    border: 1px solid #e3e8ef;
    border-radius: 8px;
    overflow: hidden;
    background: #ffffff;
    font-size: 13px;
    box-shadow: 0 1px 2px rgba(28, 39, 68, 0.04);
}
.xc-code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    border-bottom: 1px solid #eceff4;
    background: #fafbfc;
    font-size: 12px;
    color: #525f7f;
}
.xc-code-lang {
    font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #6b7794;
}
.xc-copy-btn {
    appearance: none;
    background: transparent;
    border: 1px solid transparent;
    color: #5469d4;
    font-family: inherit;
    font-size: 12px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.1s, border-color 0.1s, color 0.1s;
}
.xc-copy-btn:hover { background: #eef2ff; border-color: #d5dcf6; }
.xc-copy-btn.is-copied { color: #0c8a3a; background: #e6f5ec; border-color: #b6dec7; }
.xc-copy-btn.is-copied::before { content: '\2714 '; }

/* The Shiki <pre> that lives inside .xc-code-block */
.xc-code-block .shiki,
.xc-code-block pre {
    margin: 0;
    padding: 14px 16px;
    overflow-x: auto;
    background: #fff !important;
    font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.55;
    tab-size: 4;
}
.xc-code-block pre code { font-family: inherit; font-size: inherit; background: none; padding: 0; }

/* Line numbers via CSS counter — Shiki emits one .line span per line
   with literal newlines between spans. Keep .line inline so the pre's
   natural newline preservation handles the line breaks; if we made .line
   a block, both the block AND the preserved newline would insert breaks,
   doubling the spacing. */
.xc-code-block .shiki code { counter-reset: ln; }
.xc-code-block .shiki .line { counter-increment: ln; }
.xc-code-block .shiki .line::before {
    content: counter(ln);
    display: inline-block;
    width: 2.2em;
    margin-right: 1.2em;
    text-align: right;
    color: #c2c8d3;
    user-select: none;
    -webkit-user-select: none;
}

/* Single-line snippets (shell installs, one-liners) — drop the line numbers. */
.xc-code-block[data-singleline] .shiki .line::before { content: none; }

/* Dark theme — flip Shiki's CSS variables. Triggered by [data-theme="dark"]
   on <html> (Phase 2 dark-mode toggle) or by the system preference. */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .xc-code-block,
    :root:not([data-theme="light"]) .xc-code-block .shiki,
    :root:not([data-theme="light"]) .xc-code-block pre {
        background: #0d1117 !important;
        border-color: #21262d;
    }
    :root:not([data-theme="light"]) .xc-code-block .shiki,
    :root:not([data-theme="light"]) .xc-code-block .shiki span {
        color: var(--shiki-dark) !important;
        background-color: var(--shiki-dark-bg) !important;
    }
    :root:not([data-theme="light"]) .xc-code-header {
        background: #161b22;
        border-bottom-color: #21262d;
        color: #8b949e;
    }
    :root:not([data-theme="light"]) .xc-code-block .shiki .line::before { color: #4a5160; }
}
[data-theme="dark"] .xc-code-block,
[data-theme="dark"] .xc-code-block .shiki,
[data-theme="dark"] .xc-code-block pre {
    background: #0d1117 !important;
    border-color: #21262d;
}
[data-theme="dark"] .xc-code-block .shiki,
[data-theme="dark"] .xc-code-block .shiki span {
    color: var(--shiki-dark) !important;
    background-color: var(--shiki-dark-bg) !important;
}
[data-theme="dark"] .xc-code-header {
    background: #161b22;
    border-bottom-color: #21262d;
    color: #8b949e;
}
[data-theme="dark"] .xc-code-block .shiki .line::before { color: #4a5160; }

/* Inline <code> outside code blocks gets a subtle pill, not the full chrome. */
:not(pre) > code {
    font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    font-size: 0.92em;
    background: #f4f6fa;
    padding: 1px 6px;
    border-radius: 3px;
    color: #2f3a5a;
}