/* ── Docs layout ──────────────────────────────────────────────────
   Three-column grid:  sidebar (240px) | article | ToC (220px)
   Tokens from site.css: --accent, --dark-bg, --neutral-*, Geist, JetBrains Mono
   ─────────────────────────────────────────────────────────────── */

/* ── Prism theme (light, on-brand) ───────────────────────────── */
@import url('https://unpkg.com/prismjs@1.29.0/themes/prism.css');

/* ── Shell wrapper ────────────────────────────────────────────── */
.docs-shell {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem 4rem;
}

/* ── Search bar ───────────────────────────────────────────────── */
.docs-search-bar {
    position: relative;
    padding: 1.25rem 0 0;
    margin-bottom: 1rem;
}

.docs-search-wrap {
    position: relative;
    max-width: 480px;
}

.docs-search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--neutral-400);
    pointer-events: none;
}

.docs-search-input {
    width: 100%;
    padding: 0.5rem 0.875rem 0.5rem 2.25rem;
    border: 1px solid var(--neutral-200);
    border-radius: 8px;
    font-family: 'Geist', system-ui, sans-serif;
    font-size: 0.875rem;
    color: var(--neutral-900);
    background: var(--neutral-50);
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
}

.docs-search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
    background: #fff;
}

.docs-search-results {
    position: absolute;
    top: calc(100% + 0.25rem);
    left: 0;
    width: 100%;
    max-width: 480px;
    background: #fff;
    border: 1px solid var(--neutral-200);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    z-index: 200;
    max-height: 360px;
    overflow-y: auto;
}

.docs-search-result {
    display: block;
    padding: 0.625rem 1rem;
    text-decoration: none;
    color: var(--neutral-900);
    border-bottom: 1px solid var(--neutral-100);
    font-size: 0.875rem;
    transition: background 0.1s;
}

.docs-search-result:last-child { border-bottom: none; }
.docs-search-result:hover { background: var(--neutral-50); }

.docs-search-result-title {
    font-weight: 500;
    display: block;
}

.docs-search-result-category {
    font-size: 0.75rem;
    color: var(--neutral-500);
    margin-top: 2px;
    display: block;
}

.docs-search-empty {
    padding: 1rem;
    font-size: 0.875rem;
    color: var(--neutral-500);
    text-align: center;
}

/* ── Three-column grid ────────────────────────────────────────── */
.docs-grid {
    display: grid;
    grid-template-columns: 240px 1fr 220px;
    grid-template-areas: "sidebar article toc";
    gap: 0 2.5rem;
    align-items: start;
}

/* ── LEFT: nav sidebar ────────────────────────────────────────── */
.docs-sidebar {
    grid-area: sidebar;
    position: sticky;
    top: 80px;   /* below the public sticky nav (64px) + breathing room */
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    padding-right: 0.5rem;
    padding-top: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--neutral-200) transparent;
}

.docs-mobile-nav-toggle {
    display: none;
}

.docs-nav-category {
    margin-bottom: 1.5rem;
}

.docs-nav-category-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--neutral-500);
    padding: 0 0.5rem 0.5rem;
}

.docs-nav-items {
    list-style: none;
    margin: 0;
    padding: 0;
}

.docs-nav-link {
    display: block;
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--neutral-600);
    text-decoration: none;
    transition: color 0.12s, background 0.12s;
    line-height: 1.4;
}

.docs-nav-link:hover {
    color: var(--neutral-900);
    background: var(--neutral-100);
}

.docs-nav-link.active {
    color: var(--neutral-900);
    background: var(--accent-soft);
    font-weight: 500;
    border-left: 2px solid var(--accent);
    padding-left: calc(0.5rem - 2px);
}

/* ── CENTER: article ──────────────────────────────────────────── */
.docs-article {
    grid-area: article;
    min-width: 0;
    padding-top: 1rem;
    padding-bottom: 4rem;
}

/* Breadcrumbs */
.docs-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--neutral-500);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.docs-breadcrumb-home {
    color: var(--neutral-600);
    text-decoration: none;
}

.docs-breadcrumb-home:hover { color: var(--neutral-900); text-decoration: underline; }
.docs-breadcrumb-sep { color: var(--neutral-300); }
.docs-breadcrumb-category { color: var(--neutral-600); }
.docs-breadcrumb-current { color: var(--neutral-900); font-weight: 500; }

/* Article content typography */
.docs-content {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--neutral-800);
}

.docs-content h1 {
    font-family: 'Geist', system-ui, sans-serif;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--neutral-900);
    margin: 0 0 1rem;
    line-height: 1.2;
}

.docs-content h2 {
    font-family: 'Geist', system-ui, sans-serif;
    font-size: 1.375rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--neutral-900);
    margin: 2.5rem 0 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--neutral-100);
    line-height: 1.3;
}

.docs-content h3 {
    font-family: 'Geist', system-ui, sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--neutral-900);
    margin: 1.75rem 0 0.5rem;
    line-height: 1.35;
}

.docs-content h4, .docs-content h5, .docs-content h6 {
    font-family: 'Geist', system-ui, sans-serif;
    font-weight: 600;
    color: var(--neutral-900);
    margin: 1.25rem 0 0.375rem;
}

.docs-content p {
    margin: 0 0 1rem;
}

.docs-content a {
    color: var(--accent-dark);
    text-underline-offset: 3px;
}

.docs-content a:hover {
    color: var(--neutral-900);
}

.docs-content ul,
.docs-content ol {
    padding-left: 1.5rem;
    margin: 0 0 1rem;
}

.docs-content li {
    margin-bottom: 0.25rem;
}

.docs-content blockquote {
    border-left: 3px solid var(--accent);
    margin: 1.5rem 0;
    padding: 0.75rem 1.25rem;
    background: var(--accent-soft);
    border-radius: 0 6px 6px 0;
    color: var(--neutral-700);
    font-size: 0.95rem;
}

.docs-content blockquote p:last-child { margin-bottom: 0; }

.docs-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    margin: 1.5rem 0;
}

.docs-content th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    background: var(--neutral-50);
    border-bottom: 2px solid var(--neutral-200);
    font-weight: 600;
    color: var(--neutral-700);
}

.docs-content td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--neutral-100);
    color: var(--neutral-800);
}

.docs-content tr:last-child td { border-bottom: none; }

/* Inline code */
.docs-content code:not(pre > code) {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82em;
    background: var(--neutral-100);
    color: var(--neutral-900);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    border: 1px solid var(--neutral-200);
}

/* Fenced code blocks */
.docs-content pre {
    position: relative;
    margin: 1.25rem 0;
    border-radius: 10px;
    border: 1px solid var(--neutral-200);
    background: var(--dark-bg);
    overflow-x: auto;
}

.docs-content pre > code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    line-height: 1.7;
    display: block;
    padding: 1.25rem 1.5rem;
    color: #e5e7eb;
    background: transparent;
    border: none;
}

/* Copy button */
.docs-copy-btn {
    position: absolute;
    top: 0.625rem;
    right: 0.625rem;
    padding: 0.25rem 0.6rem;
    font-family: 'Geist', system-ui, sans-serif;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--neutral-400);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 5px;
    cursor: pointer;
    transition: color 0.15s, background 0.15s;
    line-height: 1.5;
}

.docs-copy-btn:hover {
    color: #fff;
    background: rgba(255,255,255,0.16);
}

.docs-copy-btn.copied {
    color: #86efac;
    border-color: rgba(134,239,172,0.3);
}

/* Language label on code blocks */
.docs-content pre[class*="language-"]::before {
    content: attr(data-lang);
    position: absolute;
    top: 0.625rem;
    left: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--neutral-500);
}

/* Prev / Next navigation */
.docs-prev-next {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--neutral-200);
}

.docs-prev-next-inner {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.docs-prev-link,
.docs-next-link {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-decoration: none;
    max-width: 48%;
}

.docs-next-link {
    text-align: right;
    margin-left: auto;
}

.docs-prev-next-dir {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--neutral-400);
}

.docs-next-link .docs-prev-next-dir {
    justify-content: flex-end;
}

.docs-prev-next-dir svg { width: 14px; height: 14px; }

.docs-prev-next-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--neutral-900);
    transition: color 0.12s;
}

.docs-prev-link:hover .docs-prev-next-label,
.docs-next-link:hover .docs-prev-next-label {
    color: var(--accent-dark);
}

/* ── RIGHT: ToC ───────────────────────────────────────────────── */
.docs-toc {
    grid-area: toc;
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    padding-top: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--neutral-200) transparent;
}

.docs-toc-inner {
    padding-left: 1rem;
    border-left: 1px solid var(--neutral-200);
}

.docs-toc-heading {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--neutral-500);
    margin: 0 0 0.75rem;
}

.docs-toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.docs-toc-item {
    margin-bottom: 0.25rem;
}

.docs-toc-level-3 {
    padding-left: 0.875rem;
}

.docs-toc-link {
    display: block;
    font-size: 0.8rem;
    color: var(--neutral-500);
    text-decoration: none;
    padding: 0.2rem 0;
    transition: color 0.12s;
    line-height: 1.4;
}

.docs-toc-link:hover {
    color: var(--neutral-900);
}

.docs-toc-link.active {
    color: var(--neutral-900);
    font-weight: 500;
}

/* ── Mobile breakpoints ───────────────────────────────────────── */

/* Tablet: hide ToC, sidebar still visible */
@media (max-width: 1100px) {
    .docs-grid {
        grid-template-columns: 220px 1fr;
        grid-template-areas: "sidebar article";
    }
    .docs-toc { display: none; }
}

/* Mobile: full-width single column, collapsible nav */
@media (max-width: 720px) {
    .docs-shell {
        padding: 0 1rem 3rem;
    }

    .docs-grid {
        grid-template-columns: 1fr;
        grid-template-areas:
            "sidebar"
            "article";
    }

    .docs-sidebar {
        position: static;
        max-height: none;
        padding-right: 0;
        border-bottom: 1px solid var(--neutral-200);
        margin-bottom: 1.5rem;
    }

    .docs-mobile-nav-toggle {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.5rem 0;
        background: none;
        border: none;
        font-family: 'Geist', system-ui, sans-serif;
        font-size: 0.875rem;
        font-weight: 500;
        color: var(--neutral-700);
        cursor: pointer;
        width: 100%;
    }

    .docs-mobile-nav-toggle svg { width: 16px; height: 16px; }

    /* Collapsed state: hide nav tree */
    .docs-nav-tree {
        display: none;
        padding-bottom: 1rem;
    }

    .docs-nav-tree.open {
        display: block;
    }

    .docs-content h1 {
        font-size: 1.6rem;
    }

    .docs-content h2 {
        font-size: 1.2rem;
    }

    .docs-prev-next-inner {
        flex-direction: column;
        gap: 1rem;
    }

    .docs-prev-link,
    .docs-next-link {
        max-width: 100%;
    }

    .docs-next-link {
        text-align: left;
        margin-left: 0;
    }

    .docs-next-link .docs-prev-next-dir {
        justify-content: flex-start;
    }
}