/* ============================================================
   Content pages (the block-based `page` module) — layout + TOC
   Reuses .post-header / .post-body / .post-callout from blog.css,
   so include this alongside blog.css (or fold it into blog.css /
   a shared content.css if you'd rather have one file).
   Same :root fallback pattern as blog.css / guide.css — harmless
   no-op if the real stylesheet already defines these.
   ============================================================ */

:root {
    --ink: #0f1b2e;
    --accent: #2563eb;
    --card: #ffffff;
    --border: #e7e5df;
    --muted-foreground: #6b7280;
}

.page-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
    padding-bottom: 2rem;
}

@media (min-width: 1024px) {
    .page-layout {
        grid-template-columns: 200px 1fr;
    }
    /* sidebar first in the DOM (for a sensible reading order without JS),
       but shown on the left visually */
    .page-toc {
        order: -1;
    }
}

.page-toc {
    position: static;
}

@media (min-width: 1024px) {
    .page-toc {
        position: sticky;
        top: 6rem;
        align-self: start;
    }
}

.page-toc-title {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted-foreground);
    margin: 0 0 0.75rem;
}

.page-toc nav {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
    border-left: none;
}

@media (min-width: 1024px) {
    .page-toc nav {
        flex-direction: column;
        gap: 0;
        border-left: 2px solid var(--border);
    }
}

.page-toc nav a {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--muted-foreground);
    text-decoration: none;
    padding: 0.35rem 0 0.35rem 0.9rem;
    margin-left: -2px;
    border-left: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.page-toc nav a:hover {
    color: var(--ink);
}

.page-toc nav a.is-active {
    color: var(--accent);
    border-left-color: var(--accent);
    font-weight: 600;
}

@media (max-width: 1023px) {
    .page-toc nav a {
        padding: 0.3rem 0.7rem;
        border: 1px solid var(--border);
        border-radius: 999px;
    }
    .page-toc nav a.is-active {
        border-color: var(--accent);
        background: color-mix(in srgb, var(--accent) 8%, transparent);
    }
}