/* ── IBX docs custom polish ─────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --ibx-accent: #f59e0b;
    --ibx-accent-strong: #fbbf24;
    --ibx-accent-soft: rgba(245, 158, 11, 0.12);
    --ibx-accent-faint: rgba(245, 158, 11, 0.06);
    --ibx-border: rgba(127, 127, 127, 0.18);
    --ibx-border-strong: rgba(127, 127, 127, 0.28);
}

/* ── Typography ─────────────────────────────────────────────────────────── */

html, body, .content, .menu-title, .sidebar {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11', 'ss01';
    letter-spacing: -0.005em;
}

.content {
    font-size: 16px;
    line-height: 1.72;
}

.content h1 {
    font-weight: 800;
    font-size: 2.4rem;
    letter-spacing: -0.025em;
    margin-top: 1.5rem;
    margin-bottom: 1.25rem;
    line-height: 1.15;
}

.content h2 {
    font-weight: 700;
    font-size: 1.55rem;
    letter-spacing: -0.018em;
    margin-top: 3rem;
    margin-bottom: 1rem;
    padding-bottom: 0.45rem;
    border-bottom: 1px solid var(--ibx-border);
}

.content h3 {
    font-weight: 600;
    font-size: 1.18rem;
    letter-spacing: -0.012em;
    margin-top: 2rem;
}

.content h4 {
    font-weight: 600;
    font-size: 1.02rem;
    margin-top: 1.5rem;
}

.content p, .content li {
    line-height: 1.72;
}

.content a, .content a:visited {
    color: var(--ibx-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 120ms ease;
}
.content a:hover {
    border-bottom-color: var(--ibx-accent);
}

/* ── Code ───────────────────────────────────────────────────────────────── */

code, pre, .hljs {
    font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;
    font-size: 13.5px;
}

pre {
    border: 1px solid var(--ibx-border);
    border-radius: 10px;
    padding: 1rem 1.25rem !important;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
    overflow-x: auto;
}

pre > code.hljs {
    background: transparent !important;
    padding: 0 !important;
}

:not(pre) > code {
    background: var(--ibx-accent-soft);
    border: 1px solid var(--ibx-accent-faint);
    border-radius: 5px;
    padding: 1px 6px;
    font-size: 0.88em;
}

.content pre > .buttons {
    opacity: 0.5;
    transition: opacity 120ms ease;
}
.content pre:hover > .buttons {
    opacity: 1;
}

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

.sidebar {
    font-size: 14px;
    border-right: 1px solid var(--ibx-border);
}

.sidebar .sidebar-scrollbox {
    padding: 18px 14px;
}

.chapter li.chapter-item {
    line-height: 1.5;
    margin: 1px 0;
}

.chapter li.chapter-item a,
.chapter li.chapter-item > a {
    padding: 6px 10px;
    border-radius: 6px;
    transition: background 120ms ease, color 120ms ease;
}

.chapter li.chapter-item a:hover {
    background: var(--ibx-accent-faint);
    color: var(--ibx-accent) !important;
}

.chapter li.chapter-item a.active {
    background: var(--ibx-accent-soft);
    color: var(--ibx-accent) !important;
    font-weight: 600;
}

.chapter .part-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.6;
    margin: 1.5rem 10px 0.5rem;
}

/* ── Top menu bar ───────────────────────────────────────────────────────── */

#menu-bar {
    border-bottom: 1px solid var(--ibx-border);
}

.menu-title {
    font-weight: 700;
    letter-spacing: -0.01em;
    font-size: 16px;
}

/* ── Tables ─────────────────────────────────────────────────────────────── */

.content table {
    border-collapse: collapse;
    margin: 1.25rem 0;
    border: 1px solid var(--ibx-border);
    border-radius: 6px;
    overflow: hidden;
    font-size: 14.5px;
}

.content table th,
.content table td {
    border: none;
    border-bottom: 1px solid var(--ibx-border);
    padding: 9px 14px;
    text-align: left;
}

.content table th {
    background: var(--ibx-accent-faint);
    font-weight: 600;
    color: var(--ibx-accent);
    border-bottom: 1px solid var(--ibx-border-strong);
}

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

/* ── Blockquotes ────────────────────────────────────────────────────────── */

.content blockquote {
    border-left: 3px solid var(--ibx-accent);
    background: var(--ibx-accent-faint);
    padding: 0.6rem 1.1rem;
    border-radius: 0 6px 6px 0;
    margin: 1.25rem 0;
    color: inherit;
    opacity: 0.92;
}
.content blockquote > :first-child { margin-top: 0; }
.content blockquote > :last-child { margin-bottom: 0; }

/* ── Hero (landing page) ────────────────────────────────────────────────── */

.ibx-hero {
    text-align: center;
    padding: 3rem 1rem 1.5rem;
    margin: -1rem 0 2.5rem;
    border-bottom: 1px solid var(--ibx-border);
}

.ibx-hero .ibx-logo {
    display: block;
    width: 100%;
    max-width: 560px;
    height: auto;
    margin: 0 auto 1.75rem;
    border-radius: 12px;
    border: 1px solid var(--ibx-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
}

.ibx-hero h1 {
    font-size: 3.4rem !important;
    font-weight: 800 !important;
    letter-spacing: -0.035em !important;
    line-height: 1.05 !important;
    margin: 0 0 0.6rem !important;
    border: 0 !important;
    background: linear-gradient(135deg, var(--ibx-accent) 0%, var(--ibx-accent-strong) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.ibx-hero .ibx-tagline {
    font-size: 1.25rem;
    opacity: 0.78;
    margin: 0 auto 2rem;
    max-width: 640px;
    line-height: 1.5;
}

.ibx-hero .ibx-cta {
    display: inline-flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.ibx-hero .ibx-cta a {
    display: inline-block;
    padding: 11px 22px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14.5px;
    text-decoration: none !important;
    border: 1px solid transparent !important;
    transition: transform 100ms ease, background 160ms ease, border-color 160ms ease;
}

.ibx-hero .ibx-cta a.primary {
    background: var(--ibx-accent);
    color: #0f1320 !important;
}
.ibx-hero .ibx-cta a.primary:hover {
    background: var(--ibx-accent-strong);
    transform: translateY(-1px);
}

.ibx-hero .ibx-cta a.secondary {
    background: var(--ibx-accent-faint);
    color: var(--ibx-accent) !important;
    border: 1px solid var(--ibx-accent-soft) !important;
}
.ibx-hero .ibx-cta a.secondary:hover {
    background: var(--ibx-accent-soft);
    transform: translateY(-1px);
}

/* ── Feature grid (landing page) ────────────────────────────────────────── */

.ibx-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin: 2rem 0 2.5rem;
}

.ibx-feature {
    background: var(--ibx-accent-faint);
    border: 1px solid var(--ibx-border);
    border-radius: 10px;
    padding: 1.3rem 1.4rem;
    transition: border-color 160ms ease, transform 160ms ease;
}
.ibx-feature:hover {
    border-color: var(--ibx-accent-soft);
    transform: translateY(-2px);
}

.ibx-feature h3 {
    margin: 0 0 0.4rem !important;
    font-size: 1rem !important;
    font-weight: 700;
    color: var(--ibx-accent);
}

.ibx-feature p {
    margin: 0 !important;
    font-size: 14px;
    opacity: 0.82;
    line-height: 1.6;
}

/* ── Stat strip (benchmarks) ────────────────────────────────────────────── */

.ibx-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1px;
    background: var(--ibx-border);
    border: 1px solid var(--ibx-border);
    border-radius: 10px;
    overflow: hidden;
    margin: 2rem 0;
}

.ibx-stat {
    background: var(--bg);
    padding: 1.4rem 1.2rem;
    text-align: center;
}

.ibx-stat .ibx-stat-value {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--ibx-accent);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 0.25rem;
}

.ibx-stat .ibx-stat-label {
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.65;
    font-weight: 500;
}

/* ── Light-theme fallback ───────────────────────────────────────────────── */

.light .ibx-hero .ibx-cta a.primary,
.rust .ibx-hero .ibx-cta a.primary {
    color: #fff !important;
}