:root {
    --paper: #fbfaf6;
    --ink: #1c2b23;
    --ink-soft: #4b5a50;
    --line: #e4e0d4;
    --grid: #2e7d52;
    --grid-deep: #1f5c3b;
    --cell-amber: #e8a23d;
    --cell-amber-bg: #fbf1dc;
    --panel: #ffffff;
    --mono: 'JetBrains Mono', ui-monospace, monospace;
    --display: 'Fraunces', Georgia, serif;
    --body: 'Inter', system-ui, sans-serif;
    --maxw: 780px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--body);
    font-size: 15.5px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--grid-deep); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.shell { display: grid; grid-template-columns: 264px minmax(0, 1fr); min-height: 100vh; }
.side {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 100vh;
    overflow-y: auto;
    padding: 26px 22px;
    border-right: 1px solid var(--line);
    background: var(--panel);
}
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .logo {
    width: 30px;
    height: 30px;
    flex: none;
    object-fit: contain;
}
.brand b { font-family: var(--display); font-size: 18px; font-weight: 600; letter-spacing: -.01em; }
.side .ver { margin: 2px 0 22px 40px; color: var(--ink-soft); font-family: var(--mono); font-size: 11px; }
.navgrp { margin-bottom: 20px; }
.navgrp .lbl {
    padding: 0 0 7px 2px;
    color: #8a978e;
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: .13em;
    text-transform: uppercase;
}
.side nav a {
    display: block;
    padding: 5px 10px;
    border-left: 2px solid transparent;
    border-radius: 6px;
    color: var(--ink-soft);
    font-size: 13.5px;
}
.side nav a.sub { padding-left: 22px; font-family: var(--body); font-size: 12.5px; }
.side nav a.sub2 { padding-left: 34px; font-family: var(--mono); font-size: 10.5px; }
.side nav a.section-heading {
    padding: 0 2px 7px;
    border-left: 0;
    border-radius: 0;
    color: var(--ink);
    font-family: var(--mono);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: .13em;
    text-transform: uppercase;
}
.side nav a.section-heading:hover { background: transparent; color: var(--grid-deep); }
.side nav a.section-heading.on { border-left: 0; background: transparent; color: var(--grid-deep); }
.side nav a:hover { background: #f3f1e8; color: var(--ink); text-decoration: none; }
.side nav a.on { border-left-color: var(--grid); background: #eff4ee; color: var(--grid-deep); font-weight: 500; }

.sidebar-search { position: relative; }
.sidebar-search-input {
    width: 100%;
    padding: 9px 32px 9px 34px;
    border: 1px solid var(--line);
    border-radius: 8px;
    outline: none;
    background: var(--paper);
    color: var(--ink);
    font: 12px var(--mono);
}
.sidebar-search-input:focus { border-color: var(--grid); box-shadow: 0 0 0 3px rgba(46, 125, 82, .1); }
.sidebar-search-icon {
    position: absolute;
    top: 50%;
    left: 11px;
    transform: translateY(-50%);
    color: var(--ink-soft);
    pointer-events: none;
}
.sidebar-search-clear {
    position: absolute;
    top: 50%;
    right: 8px;
    display: none;
    width: 20px;
    height: 20px;
    padding: 0;
    transform: translateY(-50%);
    border: 0;
    border-radius: 50%;
    background: #e7e4da;
    color: var(--ink-soft);
    cursor: pointer;
    line-height: 20px;
}
.sidebar-search-clear.visible { display: block; }

main { min-width: 0; padding-bottom: 70px; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding-right: 28px; padding-left: 28px; }
.hero {
    border-bottom: 1px solid var(--line);
    background:
        linear-gradient(var(--line) 1px, transparent 1px) 0 -1px / 100% 34px,
        linear-gradient(90deg, var(--line) 1px, transparent 1px) -1px 0 / 34px 100%,
        var(--paper);
}
.hero .wrap { padding-top: 70px; padding-bottom: 52px; }
.hero-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    margin-bottom: 44px;
    color: var(--ink);
}
.hero-brand:hover { text-decoration: none; }
.hero-brand img { width: 38px; height: 38px; object-fit: contain; }
.hero-brand span { display: flex; flex-direction: column; line-height: 1.15; }
.hero-brand b { font-family: var(--display); font-size: 19px; font-weight: 600; }
.hero-brand small { margin-top: 3px; color: var(--ink-soft); font: 10px var(--mono); }
.eyebrow, .kicker {
    color: var(--grid-deep);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .13em;
    text-transform: uppercase;
}
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; font-size: 12px; }
.eyebrow::before { width: 26px; height: 1px; background: var(--grid); content: ''; }
h1, h2, h3 { font-family: var(--display); }
h1.title {
    margin: 0 0 18px;
    font-size: clamp(36px, 5.4vw, 52px);
    font-weight: 600;
    letter-spacing: -.02em;
    line-height: 1.04;
}
h1.title em { color: var(--grid-deep); font-style: italic; }
.lede { max-width: 600px; margin: 0 0 28px; color: var(--ink-soft); font-size: 17.5px; line-height: 1.55; }
.cta-row, .button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border: 1px solid var(--grid);
    border-radius: 9px;
    font-size: 14px;
    font-weight: 500;
}
.btn.fill { background: var(--grid); color: #fff; }
.btn.fill:hover { background: var(--grid-deep); text-decoration: none; }
.btn.ghost { color: var(--grid-deep); }
.btn.ghost:hover { background: #eff4ee; text-decoration: none; }

section.content-section { padding-top: 64px; scroll-margin-top: 24px; }
.manual-subsection { scroll-margin-top: 24px; }
.kicker { margin-bottom: 10px; }
h2 { margin: 0 0 12px; font-size: 29px; font-weight: 600; letter-spacing: -.015em; }
h3 { margin: 32px 0 8px; font-size: 20px; font-weight: 600; }
.copy, .section-description { margin: 0 0 14px; }
.muted, .section-description { color: var(--ink-soft); }
.panel, .function-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: var(--panel);
    box-shadow: 0 12px 28px -24px rgba(28, 43, 35, .5);
}
.panel { padding: 22px; margin: 18px 0; }
.panel h3 { margin-top: 0; }
.quickstart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 20px 0; }
.quickstart-card { padding: 20px; border: 1px solid var(--line); border-radius: 11px; background: var(--panel); }
.quickstart-card h3 { margin: 0 0 6px; }
.quickstart-card p { min-height: 50px; margin: 0 0 16px; color: var(--ink-soft); font-size: 13.5px; }
.landing-page { padding-bottom: 0; }
.landing-content { min-height: 420px; }
.landing-followup { margin-top: 24px; }
.feature-list { margin: 18px 0 24px; padding-left: 22px; }
.feature-list li { margin-bottom: 10px; }
.quickstart-links {
    padding: 22px;
    margin-top: 22px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel);
    box-shadow: 0 12px 28px -24px rgba(28, 43, 35, .5);
}
.quickstart-links h3 { margin: 0 0 4px; }
.quickstart-links > p { margin: 0 0 16px; color: var(--ink-soft); font-size: 13.5px; }
.quickstart-link-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.quickstart-link-grid .btn { justify-content: space-between; background: #fcfbf7; }
.quickstart-link-grid .btn span { transition: transform .15s ease; }
.quickstart-link-grid .btn:hover span { transform: translateX(3px); }
.note {
    display: flex;
    gap: 12px;
    padding: 13px 16px;
    margin: 20px 0;
    border: 1px solid var(--line);
    border-left: 3px solid var(--cell-amber);
    border-radius: 0 10px 10px 0;
    background: #fcfbf7;
}
.note .ic { flex: none; color: var(--cell-amber); font-family: var(--display); font-size: 19px; font-style: italic; line-height: 1; }
.note p { margin: 0; color: var(--ink-soft); font-size: 13.5px; }

.quickstart-intro {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 18px 0;
}
.quickstart-intro > div { padding: 13px 15px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); }
.quickstart-intro b { display: block; margin-bottom: 2px; color: var(--grid-deep); font: 500 12px var(--mono); }
.quickstart-intro span { color: var(--ink-soft); font-size: 13px; }
.quickstart-download { margin-bottom: 24px; }
.quickstart-player {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel);
    box-shadow: 0 18px 40px -30px rgba(28, 43, 35, .55);
}
.quickstart-stepper {
    display: flex;
    overflow-x: auto;
    padding: 14px 16px 10px;
    border-bottom: 1px solid var(--line);
    background: #f4f2ea;
}
.quickstart-stepper button {
    position: relative;
    flex: 0 0 38px;
    width: 38px;
    min-width: 38px;
    height: 38px;
    padding: 0;
    border: 1px solid #cecabc;
    border-radius: 50%;
    background: var(--panel);
    color: var(--ink-soft);
    cursor: pointer;
    font: 500 11px var(--mono);
    transition: color .15s ease, background .15s ease, border-color .15s ease, transform .15s ease;
}
.quickstart-arrow {
    display: grid;
    flex: 1 0 20px;
    min-width: 20px;
    place-items: center;
    color: #a5ada7;
    font: 13px var(--mono);
}
.quickstart-stepper button:hover { border-color: var(--grid); color: var(--grid-deep); transform: translateY(-1px); }
.quickstart-stepper button[aria-selected="true"] { border-color: var(--grid); background: var(--grid); color: #fff; }
.quickstart-stepper button:focus-visible,
.quickstart-actions button:focus-visible { outline: 3px solid rgba(46, 125, 82, .18); outline-offset: 2px; }
.quickstart-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 11px 16px;
    border-bottom: 1px solid var(--line);
}
.quickstart-count { color: var(--grid-deep); font: 500 11px var(--mono); letter-spacing: .05em; text-transform: uppercase; }
.quickstart-actions { display: flex; gap: 7px; }
.quickstart-actions button {
    padding: 7px 11px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--panel);
    color: var(--ink);
    cursor: pointer;
    font: 500 11px var(--mono);
}
.quickstart-actions .quickstart-next { border-color: var(--grid); background: var(--grid); color: #fff; }
.quickstart-actions .quickstart-next:hover { background: var(--grid-deep); }
.quickstart-actions button:not(:disabled):hover { border-color: var(--grid); }
.quickstart-actions button:disabled { opacity: .38; cursor: default; }
.quickstart-visual { position: relative; overflow: hidden; width: 100%; aspect-ratio: 2196 / 1380; background: #e9eceb; }
.quickstart-visual img { display: block; width: 100%; height: 100%; object-fit: contain; }
.quickstart-overlays { position: absolute; inset: 0; }
.quickstart-overlay {
    position: absolute;
    border: 2px solid #e5483f;
    border-radius: 5px;
    background: rgba(229, 72, 63, .08);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, .72), 0 2px 8px rgba(151, 42, 35, .22);
    color: #fff;
    cursor: default;
    opacity: .82;
    transition: opacity .15s ease, background .15s ease, box-shadow .15s ease, transform .15s ease;
}
.quickstart-overlay-number {
    position: absolute;
    top: -11px;
    left: -11px;
    display: grid;
    width: 22px;
    height: 22px;
    place-items: center;
    border: 2px solid #fff;
    border-radius: 50%;
    background: #e5483f;
    font: 600 10px var(--mono);
    box-shadow: 0 2px 6px rgba(151, 42, 35, .3);
}
.quickstart-overlays.has-focus .quickstart-overlay:not(.is-active) { opacity: .18; }
.quickstart-overlay.is-active {
    z-index: 2;
    background: rgba(229, 72, 63, .18);
    box-shadow: 0 0 0 3px rgba(229, 72, 63, .22), 0 4px 12px rgba(151, 42, 35, .28);
    opacity: 1;
    transform: scale(1.015);
}
.quickstart-hint { padding: 9px 16px; margin: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fcfbf7; color: var(--ink-soft); font-size: 12px; }
.quickstart-hint span { margin-right: 5px; color: #e5483f; }
.quickstart-instructions { min-height: 310px; padding: 22px 24px 26px; }
.quickstart-instructions article[hidden] { display: none; }
.quickstart-step-label { margin-bottom: 4px; color: var(--grid-deep); font: 500 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.quickstart-instructions h4 { margin: 0 0 15px; font: 600 21px var(--display); }
.quickstart-instructions ol { margin: 0; padding-left: 28px; }
.quickstart-instructions li { padding: 5px 7px; margin-bottom: 3px; border-radius: 6px; color: var(--ink-soft); font-size: 13.5px; transition: color .15s ease, background .15s ease; }
.quickstart-instructions li[data-highlight] { cursor: crosshair; }
.quickstart-instructions li[data-highlight]::marker { color: #e5483f; font-weight: 600; }
.quickstart-instructions li.is-active { background: #fff0ed; color: var(--ink); }
.quickstart-instructions kbd { padding: 1px 5px; border: 1px solid #cbc7ba; border-bottom-width: 2px; border-radius: 4px; background: #f5f3eb; color: var(--ink); font: 11px var(--mono); }

.function-group { padding-top: 42px; scroll-margin-top: 24px; }
.function-group h3 { padding-bottom: 10px; margin: 0 0 8px; border-bottom: 1px solid var(--line); font-size: 22px; }
.function-group-description { margin: 0 0 18px; color: var(--ink-soft); font-size: 13.5px; }
.function-card { margin-bottom: 12px; scroll-margin-top: 24px; transition: border-color .15s ease, box-shadow .15s ease; }
.function-card:hover { border-color: #b8cbbd; box-shadow: 0 12px 28px -20px rgba(28, 43, 35, .32); }
.function-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 13px 16px;
    background: #f4f2ea;
    cursor: pointer;
    user-select: none;
}
.function-name, .param-name, .enum-value { color: var(--grid-deep); font-family: var(--mono); }
.function-name { font-size: 13px; font-weight: 500; }
.function-heading-meta { display: flex; flex: none; align-items: center; gap: 7px; }
.function-legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.function-flag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 7px;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: var(--panel);
    color: var(--ink-soft);
    font-family: var(--mono);
    font-size: 9.5px;
    font-weight: 500;
    line-height: 1.2;
    white-space: nowrap;
}
.function-flag svg { width: 13px; height: 13px; fill: currentColor; }
.spill-flag { background: #eff4ee; color: var(--grid-deep); }
.run-flag { background: var(--cell-amber-bg); color: #8d6218; }
.function-toggle { color: #8a978e; font-size: 10px; transition: transform .15s ease; }
.function-card.expanded .function-toggle { transform: rotate(180deg); }
.function-body { display: none; padding: 18px; border-top: 1px solid var(--line); }
.function-card.expanded .function-body { display: block; }
.function-description { margin-bottom: 18px; color: var(--ink-soft); font-size: 14px; }
.function-description p,
.param-description p,
.result-description p { margin: 0 0 9px; }
.function-description p:last-child,
.param-description p:last-child,
.result-description p:last-child { margin-bottom: 0; }
.function-description ul,
.param-description ul,
.result-description ul { margin: 8px 0 10px; padding-left: 22px; }
.function-description li,
.param-description li,
.result-description li { margin-bottom: 4px; }
.params-title, .result-title {
    margin-bottom: 9px;
    color: #8a978e;
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.param-item { padding: 11px 13px; margin-bottom: 8px; border: 1px solid var(--line); border-radius: 8px; background: #fcfbf7; }
.param-header { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; }
.param-name { font-size: 12.5px; font-weight: 500; }
.param-badge { padding: 1px 6px; border-radius: 4px; font-family: var(--mono); font-size: 9px; }
.param-badge.optional { background: var(--cell-amber-bg); color: #8d6218; }
.param-badge.array { background: #e7efe9; color: var(--grid-deep); }
.param-description, .enum-item, .result-description { color: var(--ink-soft); font-size: 12.5px; }
.param-description ul, .param-description ol { padding-left: 22px; }
.enum-list { padding-left: 14px; margin-top: 7px; }
.result-section { padding: 12px 14px; margin-top: 16px; border-left: 3px solid var(--grid); border-radius: 0 8px 8px 0; background: #eff4ee; }
.function-example { padding-top: 18px; margin-top: 18px; border-top: 1px solid var(--line); }
.example-title {
    color: #8a978e;
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.function-example-action { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 14px; margin-top: 10px; }
.copy-example-button {
    padding: 7px 11px;
    border: 1px solid var(--grid);
    border-radius: 7px;
    background: var(--grid);
    color: #fff;
    font: 600 11px var(--mono);
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease;
}
.copy-example-button:hover { background: var(--grid-deep); border-color: var(--grid-deep); }
.copy-example-button.copied { background: #2f7651; border-color: #2f7651; }
.example-instruction { margin: 0; color: var(--ink-soft); font-size: 12.5px; }
.function-example-data { position: fixed; left: -9999px; width: 1px; height: 1px; opacity: 0; }
code:not(pre code) { padding: 1px 5px; border: 1px solid var(--line); border-radius: 5px; background: #f0efe7; color: var(--grid-deep); font: 12.5px var(--mono); }
mark { padding: 1px 2px; border-radius: 2px; background: #f8db92; color: inherit; }
.search-results { display: none; padding-top: 64px; }
.search-results.active { display: block; }
.search-results-header { padding-bottom: 12px; margin-bottom: 20px; border-bottom: 1px solid var(--line); font-family: var(--display); font-size: 24px; font-weight: 600; }
.empty-state { padding: 50px 24px; color: var(--ink-soft); text-align: center; }
.empty-state-icon { margin-bottom: 10px; font-size: 32px; }

footer { margin-top: 84px; border-top: 1px solid var(--line); }
footer .wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    padding-top: 26px;
    padding-bottom: 26px;
    color: #8a978e;
    font-family: var(--mono);
    font-size: 11px;
}
.menu-toggle {
    display: none;
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 200;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 50%;
    background: var(--grid);
    color: #fff;
    box-shadow: 0 8px 24px rgba(28, 43, 35, .25);
    cursor: pointer;
}

@media (max-width: 880px) {
    .shell { grid-template-columns: 1fr; }
    .side { position: fixed; transform: translateX(-100%); transition: transform .2s ease; }
    .side.open { transform: translateX(0); box-shadow: 10px 0 32px rgba(28, 43, 35, .18); }
    .menu-toggle { display: flex; }
}

@media (max-width: 560px) {
    .hero .wrap { padding-top: 52px; padding-bottom: 40px; }
    .quickstart-grid { grid-template-columns: 1fr; }
    .quickstart-card p { min-height: 0; }
    .quickstart-link-grid { grid-template-columns: 1fr; }
    .function-header { align-items: flex-start; flex-direction: column; gap: 9px; }
    .function-heading-meta { width: 100%; flex-wrap: wrap; }
    .function-toggle { margin-left: auto; }
    .quickstart-intro { grid-template-columns: 1fr; }
    .quickstart-toolbar { align-items: flex-start; flex-direction: column; gap: 9px; }
    .quickstart-actions { width: 100%; }
    .quickstart-actions button { flex: 1; }
    .quickstart-instructions { min-height: 0; padding: 19px 15px 22px; }
    .quickstart-instructions li { padding-right: 3px; }
}

@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; transition: none !important; }
}