/* ── Docs layout constants (not color tokens — those come from styles.css) ── */
:root {
    --doc-img-radius: 8px;
    --doc-sidebar-width: 260px;
    --doc-nav-height: 56px;
}

/* ── Reset (docs pages only) ── */
body { display: flex; flex-direction: column; min-height: 100vh; }

/* ── Top Nav ── */
.doc-nav {
    height: var(--doc-nav-height);
    background: var(--secondary-bg);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}
.doc-nav .logo { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text-primary); font-weight: 600; font-size: 15px; }
.doc-nav .logo img { border-radius: 6px; }
.doc-nav .nav-sep { color: var(--text-secondary); margin: 0 4px; }
.doc-nav .nav-docs-label { color: var(--text-secondary); font-size: 14px; }
.under-construction-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    color: #92400e;
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 999px;
    padding: 2px 10px;
    letter-spacing: 0.01em;
}
.doc-nav .nav-home-link { margin-left: auto; color: var(--text-secondary); text-decoration: none; font-size: 13px; display: flex; align-items: center; gap: 6px; }
.doc-nav .nav-home-link:hover { color: var(--text-primary); }

/* ── Layout ── */
.doc-layout { display: flex; flex: 1; }

/* ── Sidebar ── */
.doc-sidebar {
    width: var(--doc-sidebar-width);
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    padding: 12px 0;
    position: sticky;
    top: var(--doc-nav-height);
    height: calc(100vh - var(--doc-nav-height));
    overflow-y: auto;
    flex-shrink: 0;
}
.sidebar-section-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-secondary);
    padding: 8px 20px;
}
/* ── Nav rows (shared by leaf links and group headers) ── */
.sidebar-nav { list-style: none; }
.sidebar-nav a,
.nav-row {
    display: block;
    padding: 8px 20px;
    font-size: 14px;
    color: var(--text-primary);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: background .15s, border-color .15s;
}
.sidebar-nav a:hover,
.nav-row:hover { background: var(--border-color); }
.sidebar-nav a[aria-current="page"],
.nav-row:has(a[aria-current="page"]) {
    border-left-color: var(--accent-color);
    background: var(--accent-alpha-10);
}
.sidebar-nav a[aria-current="page"] { color: var(--accent-color); }
.nav-row:has(a[aria-current="page"]) a { color: var(--accent-color); }

/* ── Group header row overrides ── */
.sidebar-nav details { list-style: none; }
.nav-row {
    display: flex;
    align-items: stretch;
    list-style: none;
    cursor: default;
    padding: 0;
}
.nav-row::-webkit-details-marker { display: none; }
.nav-row a {
    flex: 1;
    padding: 8px 8px 8px 0;
    border: none;
    background: none !important;
    color: inherit;
    font-size: 14px;
    text-decoration: none;
}
.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
}
.nav-toggle:hover { background: var(--border-color); color: var(--text-primary); }
.nav-toggle-icon {
    transition: transform .2s;
}
details[open] > summary .nav-toggle-icon { transform: rotate(0deg); }
details:not([open]) > summary .nav-toggle-icon { transform: rotate(-90deg); }
.nav-children {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

/* ── Main content ── */
.doc-main {
    flex: 1;
    min-width: 0;
    padding: 48px 56px;
    max-width: 860px;
}

/* ── Markdown styles ── */
.doc-content h1 { font-size: 2rem; font-weight: 700; margin-bottom: 8px; line-height: 1.2; }
.doc-content h2 { font-size: 1.35rem; font-weight: 600; margin: 40px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border-color); }
.doc-content h3 { font-size: 1.1rem; font-weight: 600; margin: 28px 0 8px; }
.doc-content p { line-height: 1.75; margin-bottom: 16px; }
.doc-content a { color: var(--accent-color); text-decoration: none; }
.doc-content a:hover { text-decoration: underline; }
.doc-content ul, .doc-content ol { padding-left: 24px; margin-bottom: 16px; }
.doc-content li { line-height: 1.75; margin-bottom: 4px; }
.doc-content code { font-size: .875em; background: var(--card-bg); padding: 2px 6px; border-radius: 4px; }
.doc-content pre { background: var(--card-bg); padding: 16px; border-radius: 8px; overflow-x: auto; margin-bottom: 20px; }
.doc-content pre code { background: none; padding: 0; }
.doc-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--doc-img-radius);
    border: 1px solid var(--border-color);
    margin: 16px 0 24px;
    display: block;
    box-shadow: 0 2px 12px var(--shadow-alpha-30);
}
.doc-content blockquote {
    border-left: 4px solid var(--accent-color);
    padding: 12px 20px;
    background: var(--accent-alpha-10);
    border-radius: 0 6px 6px 0;
    margin-bottom: 16px;
}

/* ── Breadcrumb ── */
.doc-breadcrumb { font-size: 13px; color: var(--text-secondary); margin-bottom: 24px; display: flex; align-items: center; gap: 8px; }
.doc-breadcrumb a { color: var(--text-secondary); text-decoration: none; }
.doc-breadcrumb a:hover { color: var(--accent-color); }

/* ── Mobile ── */
@media (max-width: 768px) {
    .doc-sidebar { display: none; }
    .doc-main { padding: 24px 20px; }
}