/* ──────────────────────────────────────────────────────────────
   docs.css — documentation-only layout.
   Reuses the design tokens (--accent, --surface, …) and base
   classes (.container, .site-header, footer) from /css/style.css.
   Generated pages load BOTH stylesheets; only doc-specific layout
   lives here.
   ────────────────────────────────────────────────────────────── */

:root {
    /* Accent as RGB components for rgba(); mirrors the site --accent so docs
       stay decoupled from the site's internal variable set. */
    --doc-accent-rgb: 211, 255, 167;
}

.doc-layout {
    display: grid;
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 48px;
    padding-top: 40px;
    padding-bottom: 80px;
    align-items: start;
}

/* ── Sidebar nav ──────────────────────────────── */

.doc-nav {
    position: sticky;
    top: 24px;
}

.doc-nav__toggle {
    display: none;
}

.doc-nav__tree {
    font-size: 0.9rem;
}

.doc-nav__home {
    display: block;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 6px;
}

.doc-nav__home.is-active {
    color: var(--accent);
    background: rgba(var(--doc-accent-rgb), 0.08);
}

.doc-nav__tree ul {
    list-style: none;
    margin: 0;
    padding-left: 0;
}

.doc-nav__tree > ul {
    border-left: 1px solid var(--border);
    margin-left: 4px;
}

.doc-nav__tree ul ul {
    padding-left: 12px;
    border-left: 1px solid var(--border);
    margin-left: 10px;
}

.doc-nav__tree li {
    margin: 1px 0;
}

.doc-nav__tree a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    line-height: 1.35;
    transition: color 0.15s, background 0.15s;
}

.doc-nav__tree a:hover {
    color: var(--text);
    background: var(--surface);
}

.doc-nav__tree a.is-active {
    color: var(--accent);
    background: rgba(var(--doc-accent-rgb), 0.08);
    font-weight: 600;
}

.doc-nav__wip {
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    text-transform: uppercase;
    margin-left: 4px;
}

/* Collapsible sections (native <details>/<summary>) */
.doc-nav__group {
    margin: 0;
}

.doc-nav__summary {
    display: flex;
    align-items: stretch;
    cursor: pointer;
    list-style: none;
}

.doc-nav__summary::-webkit-details-marker {
    display: none;
}

.doc-nav__summary > a {
    flex: 1 1 auto;
    min-width: 0;
}

.doc-nav__chevron {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    color: var(--text-dim);
}

.doc-nav__chevron::before {
    content: "\203A";
    font-size: 1.05rem;
    line-height: 1;
    transition: transform 0.15s ease;
}

.doc-nav__group[open] > .doc-nav__summary .doc-nav__chevron::before {
    transform: rotate(90deg);
}

.doc-nav__summary:hover .doc-nav__chevron {
    color: var(--text-muted);
}

/* ── Article ──────────────────────────────────── */

.doc-article {
    max-width: 760px;
    min-width: 0;
}

.doc-breadcrumb {
    font-size: 0.78rem;
    color: var(--text-dim);
    margin-bottom: 18px;
}

.doc-breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
}

.doc-breadcrumb a:hover {
    color: var(--accent);
}

.doc-breadcrumb__sep {
    margin: 0 8px;
    opacity: 0.5;
}

.doc-article__head {
    margin-bottom: 32px;
}

.doc-article h1 {
    font-size: 2.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.doc-lead {
    font-size: 1.08rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-top: 12px;
}

/* ── Body typography ──────────────────────────── */

.doc-body {
    font-size: 0.97rem;
    line-height: 1.75;
    color: var(--text);
}

.doc-body > * + * {
    margin-top: 1.1em;
}

.doc-body h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-top: 2.2em;
    letter-spacing: -0.01em;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.doc-body h3 {
    font-size: 1.12rem;
    font-weight: 700;
    margin-top: 1.8em;
}

.doc-body h2 a,
.doc-body h3 a {
    color: inherit;
    text-decoration: none;
}

.doc-body a {
    color: var(--accent);
    text-decoration: none;
}

.doc-body a:hover {
    text-decoration: underline;
}

.doc-body ul,
.doc-body ol {
    padding-left: 1.4em;
}

.doc-body li {
    margin: 0.3em 0;
}

.doc-body strong {
    color: var(--text);
    font-weight: 700;
}

.doc-body code {
    background: var(--surface-2);
    border: 1px solid var(--border);
    padding: 1px 6px;
    border-radius: 5px;
    font-size: 0.86em;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.doc-body pre {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 18px;
    overflow-x: auto;
}

.doc-body pre code {
    background: none;
    border: none;
    padding: 0;
}

.doc-body blockquote {
    border-left: 3px solid var(--accent);
    padding: 4px 0 4px 16px;
    margin-left: 0;
    color: var(--text-muted);
}

/* ── Figures (screenshots) ────────────────────── */

.doc-figure {
    margin: 28px 0;
}

.doc-figure a {
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.5);
}

.doc-figure img {
    width: 100%;
    display: block;
}

.doc-figure figcaption {
    margin-top: 10px;
    font-size: 0.82rem;
    color: var(--text-dim);
    line-height: 1.5;
}

.doc-figure--missing .doc-figure__placeholder {
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
    background: var(--surface);
}

/* ── Status badge (next to h1) ────────────────── */

.doc-badge {
    display: inline-block;
    vertical-align: middle;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 5px;
    margin-left: 12px;
    position: relative;
    top: -4px;
}

.doc-badge--wip {
    color: var(--accent);
    background: rgba(var(--doc-accent-rgb), 0.1);
    border: 1px solid rgba(var(--doc-accent-rgb), 0.3);
}

.doc-badge--beta {
    color: var(--text-muted);
    background: var(--surface-2);
    border: 1px solid var(--border);
}

/* ── Tables / keyboard shortcuts ──────────────── */

.doc-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.doc-body th,
.doc-body td {
    text-align: left;
    padding: 9px 14px;
    border-bottom: 1px solid var(--border);
}

.doc-body th {
    color: var(--text-muted);
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.doc-body tbody tr:hover {
    background: var(--surface);
}

.doc-body kbd {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.8em;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-bottom-width: 2px;
    border-radius: 5px;
    padding: 2px 7px;
    color: var(--text);
    white-space: nowrap;
}

/* ── Responsive ───────────────────────────────── */

@media (max-width: 820px) {
    .doc-layout {
        grid-template-columns: 1fr;
        gap: 0;
        padding-top: 24px;
    }

    .doc-nav {
        position: static;
        margin-bottom: 8px;
    }

    .doc-nav__toggle {
        display: inline-block;
        background: var(--surface);
        color: var(--text);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        padding: 9px 16px;
        font-size: 0.9rem;
        font-weight: 600;
        cursor: pointer;
    }

    .doc-nav__panel {
        display: none;
        margin-top: 12px;
    }

    .doc-nav.is-open .doc-nav__panel {
        display: block;
    }

    .doc-article h1 {
        font-size: 1.7rem;
    }
}