/* Developer-docs viewer — layout + Markdown typography. Reuses the brand tokens from app.css. */

:root { --docs-nav-w: 300px; --docs-toc-w: 220px; --docs-header-h: 56px; }

.docs { min-height: 100%; }

/* ── Header ─────────────────────────────────────────────────────────────── */
.docs-header {
    position: sticky; top: 0; z-index: 40; height: var(--docs-header-h);
    display: flex; align-items: center; gap: 16px; padding: 0 18px;
    background: rgba(6, 8, 24, 0.82); backdrop-filter: blur(var(--blur));
    border-bottom: 1px solid var(--stroke);
}
.docs-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); text-decoration: none; white-space: nowrap; }
.docs-brand .mark {
    width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; font-size: 14px;
    background: linear-gradient(135deg, var(--bp-indigo), var(--bp-violet)); color: #fff; overflow: hidden;
}
.docs-brand .mark img { width: 64%; height: 64%; object-fit: contain; }
.docs-brand small { color: var(--text-dim); font-weight: 600; margin-left: 2px; }
.docs-search {
    flex: 1; max-width: 420px; background: var(--glass-bg-2); border: 1px solid var(--stroke);
    border-radius: var(--radius-sm); color: var(--text); padding: 8px 12px; font: inherit; font-size: 13px;
}
.docs-search:focus { outline: none; border-color: var(--stroke-brand); box-shadow: var(--ring); }
.docs-header .spacer { flex: 1; }
.docs-header a.pill {
    color: var(--text-soft); text-decoration: none; font-size: 13px; padding: 7px 12px;
    border: 1px solid var(--stroke); border-radius: 999px; white-space: nowrap;
}
.docs-header a.pill:hover { color: var(--text); border-color: var(--stroke-brand); }

/* ── Body grid ──────────────────────────────────────────────────────────── */
.docs-body { display: grid; grid-template-columns: var(--docs-nav-w) minmax(0, 1fr); align-items: start; }

/* ── Sidebar nav ────────────────────────────────────────────────────────── */
.docs-nav {
    position: sticky; top: var(--docs-header-h); align-self: start;
    height: calc(100vh - var(--docs-header-h)); overflow-y: auto;
    padding: 18px 12px 60px; border-right: 1px solid var(--stroke); font-size: 13.5px;
}
.docs-nav ul { list-style: none; margin: 0; padding: 0; }
.docs-nav li { margin: 1px 0; }
.docs-nav a {
    display: block; padding: 6px 10px; border-radius: 9px; color: var(--text-soft); text-decoration: none;
    line-height: 1.3; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.docs-nav a:hover { background: var(--glass-hi); color: var(--text); }
.docs-nav a.active { background: rgba(108, 99, 255, 0.16); color: #fff; box-shadow: inset 0 0 0 1px var(--stroke-brand); }
.docs-nav details { margin: 2px 0; }
.docs-nav details > summary {
    list-style: none; cursor: pointer; padding: 6px 10px; border-radius: 9px; color: var(--text);
    font-weight: 600; display: flex; align-items: center; gap: 6px;
}
.docs-nav details > summary::-webkit-details-marker { display: none; }
.docs-nav details > summary::before { content: "▸"; color: var(--text-faint); font-size: 10px; transition: transform .15s; }
.docs-nav details[open] > summary::before { transform: rotate(90deg); }
.docs-nav details > summary:hover { background: var(--glass-hi); }
.docs-nav details .children { margin-left: 10px; border-left: 1px solid var(--stroke-soft); padding-left: 6px; }
.docs-nav .group-label { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-faint); padding: 14px 10px 6px; }

/* ── Content + TOC ──────────────────────────────────────────────────────── */
.docs-main { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr) var(--docs-toc-w); gap: 32px; padding: 34px 40px 90px; }
.docs-toc {
    position: sticky; top: calc(var(--docs-header-h) + 34px); align-self: start; font-size: 12.5px;
    max-height: calc(100vh - var(--docs-header-h) - 60px); overflow-y: auto;
}
.docs-toc .label { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 8px; }
.docs-toc a { display: block; color: var(--text-dim); text-decoration: none; padding: 3px 0; line-height: 1.35; }
.docs-toc a:hover { color: var(--text); }
.docs-toc a.lvl-3 { padding-left: 12px; font-size: 12px; }

/* ── Markdown typography ────────────────────────────────────────────────── */
.md-content { max-width: 860px; color: var(--text-soft); line-height: 1.65; font-size: 15px; }
.md-content h1, .md-content h2, .md-content h3, .md-content h4 { color: var(--text); line-height: 1.25; scroll-margin-top: calc(var(--docs-header-h) + 16px); }
.md-content h1 { font-size: 30px; margin: 0 0 18px; }
.md-content h2 { font-size: 22px; margin: 38px 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--stroke); }
.md-content h3 { font-size: 17px; margin: 26px 0 10px; }
.md-content h4 { font-size: 14.5px; margin: 20px 0 8px; color: var(--text-soft); }
.md-content p { margin: 12px 0; }
.md-content a { color: var(--bp-indigo-200); text-decoration: none; border-bottom: 1px solid transparent; }
.md-content a:hover { border-bottom-color: var(--bp-indigo-300); }
.md-content ul, .md-content ol { margin: 12px 0; padding-left: 22px; }
.md-content li { margin: 5px 0; }
.md-content li > ul, .md-content li > ol { margin: 5px 0; }
.md-content code { font-family: var(--mono); font-size: .87em; background: var(--glass-bg-2); border: 1px solid var(--stroke-soft); border-radius: 6px; padding: 1px 6px; color: #e8e6ff; }
.md-content pre { background: #0a0c22; border: 1px solid var(--stroke); border-radius: var(--radius-sm); padding: 14px 16px; overflow-x: auto; margin: 14px 0; }
.md-content pre code { background: none; border: 0; padding: 0; font-size: 12.8px; color: #d6d8ff; line-height: 1.55; }
.md-content blockquote { margin: 16px 0; padding: 2px 16px; border-left: 3px solid var(--stroke-brand); background: var(--glass-bg-2); border-radius: 0 10px 10px 0; color: var(--text-dim); }
.md-content hr { border: 0; border-top: 1px solid var(--stroke); margin: 26px 0; }
.md-content strong { color: var(--text); font-weight: 700; }
.md-table-wrap { overflow-x: auto; margin: 16px 0; border: 1px solid var(--stroke); border-radius: var(--radius-sm); }
.md-content table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
.md-content th, .md-content td { text-align: left; padding: 9px 13px; border-bottom: 1px solid var(--stroke-soft); vertical-align: top; }
.md-content thead th { background: var(--glass-bg-2); color: var(--text); font-weight: 600; white-space: nowrap; }
.md-content .md-left { text-align: left; } .md-content .md-center { text-align: center; } .md-content .md-right { text-align: right; }
.md-content tbody tr:last-child td { border-bottom: 0; }
.md-content tbody tr:hover { background: rgba(255, 255, 255, 0.02); }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1180px) { .docs-main { grid-template-columns: minmax(0, 1fr); } .docs-toc { display: none; } }
@media (max-width: 860px) {
    .docs-body { grid-template-columns: 1fr; }
    .docs-nav { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--stroke); }
    .docs-main { padding: 24px 20px 70px; }
}
.nav-hidden { display: none !important; }