/* PyWeb site.
   Colour carries meaning: blue is the browser, amber is the server (a nod
   to Python's blue and yellow). Fonts are self-hosted (SIL OFL): Inter for
   text, Bricolage Grotesque for headings, JetBrains Mono for code. */

@font-face { font-family: "Inter"; src: url("fonts/inter.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Bricolage Grotesque"; src: url("fonts/bricolage-grotesque.woff2") format("woff2"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/jetbrains-mono.woff2") format("woff2"); font-weight: 100 800; font-display: swap; }

:root {
  --bg: #fafaf7;
  --surface: #ffffff;
  --bg-soft: #f2f2ed;
  --bg-code: #f6f6f2;
  --ink: #14151c;
  --ink-2: #3b3e4c;
  --muted: #6b6e7c;
  --line: #e4e3dc;
  --line-2: #d4d2c8;
  --browser: #3d5afe;
  --browser-ink: #2b45d9;
  --browser-soft: #e9edff;
  --server: #f2a10c;
  --server-ink: #a35f00;
  --server-soft: #fff2d3;
  --accent: var(--browser);
  --accent-ink: var(--browser-ink);
  --accent-soft: var(--browser-soft);
  --warn: #b45309;
  --brand: linear-gradient(100deg, #3d5afe 0%, #8b5cf6 52%, #f2a10c 100%);
  /* Code windows are dark in both themes. */
  --code-bg: #0f111a;
  --code-head: #161925;
  --code-line: #252a3b;
  --code-ink: #dfe2ee;
  --code-muted: #7d8399;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(20, 21, 28, .05), 0 10px 30px -10px rgba(20, 21, 28, .14);
  --shadow-lg: 0 2px 6px rgba(20, 21, 28, .05), 0 30px 60px -20px rgba(31, 41, 99, .28);
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Bricolage Grotesque", "Inter", ui-sans-serif, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0c12; --surface: #11131b; --bg-soft: #171a25; --bg-code: #12141d; --ink: #eceef5; --ink-2: #b8bccc;
    --muted: #868b9f; --line: #222636; --line-2: #2e3347; --browser: #7b8cff; --browser-ink: #a3afff;
    --browser-soft: #1b2050; --server: #fbbf24; --server-ink: #fcd06b; --server-soft: #36280b; --warn: #fbbf24;
    --code-bg: #0d0f17; --code-head: #131622; --code-line: #20253a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px -10px rgba(0, 0, 0, .6);
    --shadow-lg: 0 2px 6px rgba(0, 0, 0, .4), 0 30px 70px -20px rgba(0, 0, 0, .8);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b0c12; --surface: #11131b; --bg-soft: #171a25; --bg-code: #12141d; --ink: #eceef5; --ink-2: #b8bccc;
  --muted: #868b9f; --line: #222636; --line-2: #2e3347; --browser: #7b8cff; --browser-ink: #a3afff;
  --browser-soft: #1b2050; --server: #fbbf24; --server-ink: #fcd06b; --server-soft: #36280b; --warn: #fbbf24;
  --code-bg: #0d0f17; --code-head: #131622; --code-line: #20253a;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px -10px rgba(0, 0, 0, .6);
  --shadow-lg: 0 2px 6px rgba(0, 0, 0, .4), 0 30px 70px -20px rgba(0, 0, 0, .8);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 84px; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.7 var(--font); -webkit-font-smoothing: antialiased;
  font-feature-settings: "cv11", "ss01"; text-rendering: optimizeLegibility; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
code, pre, kbd, textarea { font-feature-settings: "calt" 0, "liga" 0; font-variant-ligatures: none; }
code, pre, kbd { font-family: var(--mono); }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 700; letter-spacing: -.02em; text-wrap: balance; }
::selection { background: color-mix(in srgb, var(--browser) 28%, transparent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
kbd { font-size: 11px; padding: 1px 6px; border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 5px; color: var(--muted); background: var(--surface); }

/* ------------------------------------------------------------ header */
.top { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 20px; height: 64px; padding: 0 24px;
  background: color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter: saturate(1.6) blur(14px);
  -webkit-backdrop-filter: saturate(1.6) blur(14px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.top.scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 24px -18px rgba(0, 0, 0, .35); }
.logo { display: inline-flex; align-items: center; gap: 9px; font: 700 20px/1 var(--display); color: var(--ink); letter-spacing: -.03em; }
.logo:hover { text-decoration: none; }
.logo .mark { display: inline-block; width: 28px; height: 28px; flex: none; }
.logo .mark svg { display: block; width: 100%; height: 100%; }
.logo small { font: 600 11.5px/1 var(--mono); letter-spacing: 0; color: var(--muted); border: 1px solid var(--line-2); border-radius: 999px; padding: 4px 8px; }
.logo.small { font-size: 16px; }
.logo.small .mark { width: 22px; height: 22px; }
.main-nav { display: flex; gap: 2px; }
.main-nav a { color: var(--ink-2); padding: 7px 12px; border-radius: 9px; font-size: 14.5px; font-weight: 500; }
.main-nav a:hover { background: var(--bg-soft); color: var(--ink); text-decoration: none; }
.main-nav a[aria-current] { color: var(--ink); background: var(--bg-soft); font-weight: 600; }
.search { position: relative; margin-left: auto; }
.search input { width: 250px; height: 38px; padding: 0 44px 0 36px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface)
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23868b9f' stroke-width='2' stroke-linecap='round' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E")
  no-repeat 12px center; color: var(--ink); font: inherit; font-size: 14px; transition: border-color .15s, box-shadow .15s; }
.search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); }
.search kbd { position: absolute; right: 10px; top: 10px; pointer-events: none; }
.search input:focus + kbd, .search input:not(:placeholder-shown) + kbd { display: none; }
.results { position: absolute; right: 0; top: 46px; width: min(460px, 92vw); max-height: 70vh; overflow: auto; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 6px; }
.results a { display: block; padding: 9px 12px; border-radius: 9px; color: var(--ink); font-weight: 500; }
.results a:hover, .results a.active { background: var(--accent-soft); text-decoration: none; }
.results small { display: block; color: var(--muted); font-size: 12px; font-weight: 400; }
.results .empty { padding: 12px; color: var(--muted); font-size: 14px; }
.icon { background: var(--surface); border: 1px solid var(--line); color: var(--ink-2); border-radius: 10px; height: 38px; min-width: 38px; padding: 0 12px;
  font: inherit; font-size: 14px; font-weight: 500; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.icon:hover { border-color: var(--line-2); color: var(--ink); text-decoration: none; }
.icon svg { width: 17px; height: 17px; }
.menu { display: none; }

/* ------------------------------------------------------------- docs */
.layout { display: grid; grid-template-columns: 264px minmax(0, 1fr) 232px; max-width: 1440px; margin: 0 auto; }
.side { position: sticky; top: 64px; height: calc(100vh - 64px); overflow-y: auto; padding: 28px 18px 48px 24px; }
.side .group { margin-bottom: 22px; }
.side h4 { margin: 0 0 6px 10px; font: 600 11.5px var(--font); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.side a { position: relative; display: block; padding: 5px 10px; margin: 1px 0; border-radius: 8px; color: var(--ink-2); font-size: 14.5px; }
.side a:hover { background: var(--bg-soft); color: var(--ink); text-decoration: none; }
.side a[aria-current] { background: var(--accent-soft); color: var(--accent-ink); font-weight: 600; }
.content { padding: 40px 56px 80px; min-width: 0; }
.toc { position: sticky; top: 64px; height: calc(100vh - 64px); overflow-y: auto; padding: 40px 24px; font-size: 13.5px; }
.toc h4 { margin: 0 0 10px; font: 600 11.5px var(--font); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.toc a { display: block; padding: 4px 0 4px 12px; color: var(--muted); border-left: 2px solid var(--line); }
.toc a:hover { color: var(--ink); text-decoration: none; }
.toc a.l3 { padding-left: 24px; }
.toc a.active { color: var(--accent-ink); border-left-color: var(--accent); }

.prose { max-width: 760px; }
.prose h1 { font-size: clamp(34px, 4vw, 46px); line-height: 1.08; letter-spacing: -.035em; margin: 0 0 18px; }
.prose h2 { font-size: 27px; line-height: 1.2; margin: 52px 0 14px; }
.prose h3 { font-size: 20px; margin: 34px 0 8px; }
.prose h4 { font-size: 16.5px; margin: 26px 0 6px; }
.prose p, .prose li { color: var(--ink-2); }
.prose strong, .prose b { color: var(--ink); }
.prose .lead { font-size: 19px; line-height: 1.6; color: var(--ink-2); }
.prose a { text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent) 35%, transparent); text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: var(--accent); }
.prose a.anchor, .prose .card, .prose .cards a { text-decoration: none; }
.prose :not(pre) > code { overflow-wrap: anywhere; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 6px; padding: .1em .38em; font-size: .86em; color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: 6px 0; }
.prose li::marker { color: var(--muted); }
.prose blockquote { margin: 20px 0; padding: 12px 18px; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 10px 10px 0; }
.prose blockquote p { margin: 0; color: var(--ink); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.anchor { float: left; margin-left: -1.1em; padding-right: .3em; color: var(--muted); opacity: 0; text-decoration: none; transition: opacity .15s; }
h2:hover .anchor, h3:hover .anchor, h4:hover .anchor { opacity: 1; }
.table { overflow-x: auto; margin: 20px 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--ink); background: var(--bg-soft); font-size: 13px; }
td { color: var(--ink-2); }
tr:last-child td { border-bottom: 0; }
tr.us td { background: var(--accent-soft); color: var(--ink); }
.muted { color: var(--muted); }
.warn { color: var(--warn); }
.edit { display: inline-flex; gap: 6px; align-items: center; margin-top: 40px; font-size: 14px; color: var(--muted); }
.pager { display: flex; gap: 16px; margin-top: 18px; max-width: 760px; }
.pager a { flex: 1; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 18px; color: var(--ink); font: 600 16px var(--display);
  background: var(--surface); transition: border-color .15s, transform .15s, box-shadow .15s; }
.pager a:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow); }
.pager small { display: block; color: var(--muted); font: 400 12.5px var(--font); margin-bottom: 2px; }
.pager .next { text-align: right; margin-left: auto; }
.callout { border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: 16px 18px; margin: 22px 0; color: var(--ink-2); }
.facts { list-style: none; padding: 0 !important; display: flex; flex-wrap: wrap; gap: 10px; }
.facts li { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 5px 14px; font-size: 14px; margin: 0; }
.facts b { font-family: var(--display); }

/* ------------------------------------------------------------- code */
.code { position: relative; margin: 20px 0; border: 1px solid var(--code-line); border-radius: var(--radius); background: var(--code-bg); overflow: hidden;
  box-shadow: var(--shadow); color: var(--code-ink); }
.code-head { display: flex; align-items: center; gap: 10px; padding: 9px 12px 9px 14px; border-bottom: 1px solid var(--code-line);
  background: var(--code-head); font: 500 12.5px var(--mono); color: var(--code-muted); }
.code-head > span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.code-head .dots { display: inline-flex; gap: 6px; flex: 0 0 auto; }
.code-head .dots i { width: 10px; height: 10px; border-radius: 50%; background: #3a3f55; }
.code-head .dots i:nth-child(1) { background: #ff5f57; } .code-head .dots i:nth-child(2) { background: #febc2e; } .code-head .dots i:nth-child(3) { background: #28c840; }
.copy { background: transparent; border: 1px solid var(--code-line); color: var(--code-muted); font: 500 12px var(--font); padding: 3px 10px; border-radius: 7px; cursor: pointer; transition: color .15s, border-color .15s; }
.copy:hover { color: #fff; border-color: #3d445e; }
pre { margin: 0; padding: 16px 18px; overflow-x: auto; font-size: 13.5px; line-height: 1.7; color: var(--code-ink); tab-size: 4; }
.code pre { scrollbar-color: #2e3449 transparent; }
.code .k { color: #c792ea; } .code .s { color: #a5e3a1; } .code .c { color: #6c7390; font-style: italic; } .code .n { color: #ffc66d; }
.code .t { color: #82aaff; } .code .d { color: #ff9cbe; } .code .b { color: #7fdbff; }
.k { color: #7c3aed; } .s { color: #047857; } .c { color: var(--muted); font-style: italic; } .n { color: #b45309; } .t { color: #2b45d9; } .d { color: #db2777; } .b { color: #0e7490; }
/* Annotated code: a rail colour per line for where it runs. */
.code pre.annotated { padding-left: 0; }
.annotated .ln { display: block; padding-left: 16px; border-left: 3px solid transparent; }
.annotated .ln.browser { border-left-color: var(--browser); background: linear-gradient(90deg, color-mix(in srgb, var(--browser) 14%, transparent), transparent 60%); }
.annotated .ln.server { border-left-color: var(--server); background: linear-gradient(90deg, color-mix(in srgb, var(--server) 14%, transparent), transparent 60%); }
.annotated .ln.both { border-left-color: #8b5cf6; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; padding: 10px 16px; border-top: 1px solid var(--code-line); background: var(--code-head); font-size: 12.5px; color: var(--code-muted); }
.legend span::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 7px; vertical-align: 0; }
.legend .browser::before { background: var(--browser); } .legend .server::before { background: var(--server); } .legend .both::before { background: #8b5cf6; }

details.compiled { margin: -8px 0 26px; border: 1px solid var(--line); border-radius: var(--radius); padding: 0 14px; background: var(--surface); }
details.compiled summary { cursor: pointer; padding: 10px 0; font-size: 14px; color: var(--accent-ink); font-weight: 600; list-style: none; display: flex; align-items: center; gap: 8px; }
details.compiled summary::-webkit-details-marker { display: none; }
details.compiled summary::before { content: "›"; font-size: 18px; line-height: 1; transition: transform .15s; }
details.compiled[open] summary::before { transform: rotate(90deg); }
details.compiled[open] { padding-bottom: 8px; }
.tabs [role="tablist"] { display: flex; gap: 6px; flex-wrap: wrap; }
.tabs [role="tab"] { border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); border-radius: 9px; padding: 5px 12px; font: 500 13px var(--font); cursor: pointer; }
.tabs [role="tab"][aria-selected="true"] { border-color: var(--accent); color: var(--accent-ink); background: var(--accent-soft); }
.tabs small { color: var(--muted); margin-left: 4px; font-weight: 400; }

/* Browser-window frame for live demos */
.demo { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); box-shadow: var(--shadow-lg); margin: 22px 0; }
.demo-bar { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--muted); background: var(--bg-soft); }
.demo-bar .dots { display: inline-flex; gap: 6px; } .demo-bar .dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.demo-bar .url { flex: 1; min-width: 0; text-align: center; font: 12.5px var(--mono); background: var(--surface); border: 1px solid var(--line); border-radius: 7px; padding: 3px 10px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.demo iframe { display: block; width: 100%; height: 400px; border: 0; background: #fafaf7; }

/* Cards and pills */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; margin-top: 26px; }
.card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; color: var(--ink); background: var(--surface);
  transition: border-color .2s, transform .2s, box-shadow .2s; }
.card:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); text-decoration: none; transform: translateY(-3px); box-shadow: var(--shadow); }
.card h3 { margin: 0 0 8px; font-size: 19px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.card p { margin: 0 0 14px; color: var(--ink-2); font-size: 14.5px; flex: 1; }
.card code { font-size: 12.5px; color: var(--muted); }
.pill { font: 600 11px var(--font); text-transform: uppercase; letter-spacing: .06em; border: 1px solid var(--line-2); color: var(--muted); border-radius: 999px; padding: 2px 9px; }
.pill.live { border-color: transparent; color: var(--browser-ink); background: var(--browser-soft); }

/* ----------------------------------------------------------- buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; height: 46px; padding: 0 20px; border-radius: 12px; border: 1px solid var(--line-2); color: var(--ink);
  font: 600 15px var(--font); background: var(--surface); cursor: pointer; transition: transform .15s, box-shadow .15s, border-color .15s, background .15s; }
.btn:hover { text-decoration: none; border-color: var(--ink-2); transform: translateY(-1px); }
.btn.primary { color: #fff; border-color: transparent; background: linear-gradient(180deg, #5770ff, #3d5afe); box-shadow: 0 1px 0 rgba(255,255,255,.25) inset, 0 8px 24px -8px rgba(61, 90, 254, .7); }
.btn.primary:hover { box-shadow: 0 1px 0 rgba(255,255,255,.25) inset, 0 12px 30px -8px rgba(61, 90, 254, .85); }
.btn .arrow { transition: transform .15s; } .btn:hover .arrow { transform: translateX(3px); }
.cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* ----------------------------------------------------------- landing */
.landing { overflow-x: clip; }
.landing section { max-width: 1200px; margin: 0 auto; padding: 72px 24px; }
.section-head { max-width: 720px; margin-bottom: 36px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker { display: inline-flex; align-items: center; gap: 8px; font: 600 12.5px var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--accent-ink); margin-bottom: 12px; }
.landing h2 { font-size: clamp(30px, 3.6vw, 44px); line-height: 1.08; letter-spacing: -.035em; margin: 0 0 14px; }
.landing .section-head p, .band p { color: var(--ink-2); font-size: 18px; margin: 0; }
.grad { background: var(--brand); -webkit-background-clip: text; background-clip: text; color: transparent; }

.hero-wrap { position: relative; }
.hero-wrap::before { content: ""; position: absolute; inset: -80px 0 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 380px at 12% 8%, color-mix(in srgb, var(--browser) 22%, transparent), transparent 70%),
    radial-gradient(520px 360px at 88% 30%, color-mix(in srgb, var(--server) 20%, transparent), transparent 70%); }
.hero-wrap::after { content: ""; position: absolute; inset: -80px 0 0; z-index: -1; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px; mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 30%, transparent 75%); }
.landing section.hero { max-width: 1300px; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: 56px; align-items: center; padding-top: 64px !important; padding-bottom: 40px !important; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px; padding: 5px 14px 5px 6px; border-radius: 999px; font-size: 13.5px; font-weight: 500;
  color: var(--ink-2); background: color-mix(in srgb, var(--surface) 80%, transparent); border: 1px solid var(--line); box-shadow: var(--shadow); }
.eyebrow b { font: 700 11px var(--font); text-transform: uppercase; letter-spacing: .06em; color: #fff; background: var(--brand); padding: 3px 9px; border-radius: 999px; }
a.eyebrow:hover { text-decoration: none; border-color: var(--line-2); color: var(--ink); }
.hero h1 { font-size: clamp(44px, 6.2vw, 78px); line-height: .98; letter-spacing: -.045em; margin: 0 0 22px; font-weight: 800; }
.hero .sub { font-size: 19.5px; line-height: 1.6; color: var(--ink-2); margin: 0 0 30px; max-width: 32em; }
.hero .cta { margin-bottom: 26px; }
.install { display: inline-flex; align-items: center; gap: 12px; padding: 6px 6px 6px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface);
  font: 14px var(--mono); color: var(--ink); box-shadow: var(--shadow); }
.install .prompt { color: var(--muted); user-select: none; }
.install .copy { color: var(--muted); border-color: var(--line); background: var(--bg-soft); }
.install .copy:hover { color: var(--ink); border-color: var(--line-2); }
.hero-code { position: relative; }
.hero-code .code { margin: 0; box-shadow: var(--shadow-lg); }
.hero-code pre { font-size: 12.5px; line-height: 1.6; }
.hero-note { margin-top: 14px; font-size: 13.5px; color: var(--muted); text-align: center; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); padding-top: 24px !important; padding-bottom: 24px !important; }
.stats > div { padding: 6px 24px; border-left: 1px solid var(--line); }
.stats > div:first-child { border-left: 0; padding-left: 0; }
.stats b { display: block; font: 800 clamp(30px, 3.4vw, 42px)/1.1 var(--display); letter-spacing: -.04em; }
.stats span { color: var(--muted); font-size: 14.5px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.place { position: relative; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 18px; padding: 26px; background: var(--surface); overflow: hidden; }
.place::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; }
.place.browser::before { background: var(--browser); } .place.server::before { background: var(--server); }
.place h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 6px; font-size: 22px; }
.place .chip { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; }
.place.browser .chip { background: var(--browser-soft); color: var(--browser-ink); } .place.server .chip { background: var(--server-soft); color: var(--server-ink); }
.place .chip svg { width: 20px; height: 20px; }
.place > p { margin: 0 0 16px; color: var(--ink-2); }
.place ul { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 8px; }
.place li { position: relative; padding-left: 26px; color: var(--ink-2); font-size: 15px; }
.place li::before { content: ""; position: absolute; left: 4px; top: .55em; width: 10px; height: 10px; border-radius: 3px; }
.place.browser li::before { background: var(--browser); } .place.server li::before { background: var(--server); }
.place .code { margin: auto 0 0; box-shadow: none; }
.place .code pre { font-size: 12.5px; max-height: 230px; }

.band { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 56px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 22px 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 10px; align-items: baseline; color: var(--ink-2); min-width: 0; overflow-wrap: anywhere; }
.checks li::before { content: "✓"; flex: none; display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 6px; font-size: 12px; font-weight: 700;
  color: var(--browser-ink); background: var(--browser-soft); }
.more { font-weight: 600; }

.feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat { border: 1px solid var(--line); border-radius: 18px; padding: 24px; background: var(--surface); transition: border-color .2s, transform .2s, box-shadow .2s; }
.feat:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--line-2); }
.feat .chip { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; margin-bottom: 14px; }
.feat .chip svg { width: 21px; height: 21px; }
.feat .chip.browser { background: var(--browser-soft); color: var(--browser-ink); }
.feat .chip.server { background: var(--server-soft); color: var(--server-ink); }
.feat .chip.both { background: color-mix(in srgb, #8b5cf6 16%, transparent); color: #8b5cf6; }
.feat h3 { margin: 0 0 6px; font-size: 19px; }
.feat p { margin: 0; color: var(--ink-2); font-size: 15px; }
.feat code { font-size: .86em; background: var(--bg-soft); padding: .08em .35em; border-radius: 5px; border: 1px solid var(--line); }

.tools { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tool { display: flex; flex-direction: column; gap: 6px; border: 1px solid var(--line); border-radius: 16px; padding: 20px; color: var(--ink); background: var(--surface);
  transition: transform .2s, box-shadow .2s, border-color .2s; }
.tool:hover { text-decoration: none; transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); }
.tool b { font: 700 17px var(--display); letter-spacing: -.02em; }
.tool span { color: var(--ink-2); font-size: 14.5px; flex: 1; }
.tool em { font-style: normal; font-size: 13.5px; font-weight: 600; color: var(--accent-ink); }

.compare .table { box-shadow: var(--shadow); }
.final .panel { position: relative; text-align: center; border: 1px solid rgba(255, 255, 255, .08); padding: 64px 32px; border-radius: 28px; overflow: hidden; color: #fff;
  background: radial-gradient(500px 300px at 15% 0%, rgba(123, 140, 255, .55), transparent 70%), radial-gradient(500px 300px at 90% 100%, rgba(242, 161, 12, .45), transparent 70%), #10121c; }
.final .panel h2 { color: #fff; }
.final .panel p { color: #c5c9d8; font-size: 18px; margin: 0 auto 28px; max-width: 36em; }
.final .cta { justify-content: center; }
.final .btn:not(.primary) { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .2); color: #fff; }
.final .btn:not(.primary):hover { border-color: rgba(255, 255, 255, .45); }

.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }
/* Theme button: show the sun in dark mode, the moon in light mode. */
#theme .i-sun { display: none; } #theme span { display: inline-flex; }
:root[data-theme="dark"] #theme .i-sun { display: inline-flex; } :root[data-theme="dark"] #theme .i-moon { display: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) #theme .i-sun { display: inline-flex; } :root:not([data-theme="light"]) #theme .i-moon { display: none; } }

/* ------------------------------------------------------------ footer */
.foot { border-top: 1px solid var(--line); margin-top: 40px; }
.foot-inner { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; max-width: 1200px; margin: 0 auto; padding: 48px 24px 28px; }
.foot p { color: var(--muted); font-size: 14px; margin: 12px 0 0; max-width: 26em; }
.foot h4 { margin: 4px 0 10px; font: 600 12px var(--font); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.foot nav a { display: block; color: var(--ink-2); font-size: 14.5px; padding: 3px 0; }
.foot nav a:hover { color: var(--ink); }
.foot-base { max-width: 1200px; margin: 0 auto; padding: 18px 24px 32px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* -------------------------------------------------------- responsive */
@media (max-width: 1200px) { .layout { grid-template-columns: 250px minmax(0, 1fr); } .toc { display: none; } .tools { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 960px) {
  .hero, .band { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .feats { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; row-gap: 24px; }
  .stats > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .split { grid-template-columns: minmax(0, 1fr); }
  .foot-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .side { display: none; position: fixed; top: 64px; left: 0; right: 0; bottom: 0; height: auto; z-index: 25; background: var(--bg); padding: 20px; }
  .side.open { display: block; }
  .menu { display: inline-flex; }
  .content { padding: 28px 20px 56px; }
  .search input { width: 44px; padding-right: 0; color: transparent; cursor: pointer; }
  .search input:focus { position: fixed; left: 16px; right: 16px; top: 13px; width: auto; color: var(--ink); cursor: text; padding-right: 12px; z-index: 40; }
  .search kbd { display: none; }
  .results { position: fixed; left: 16px; right: 16px; top: 58px; width: auto; }
  .main-nav { display: none; }
  .gh { display: none; }
  .landing section { padding: 52px 20px; }
}
@media (max-width: 560px) {
  .top { padding: 0 14px; gap: 10px; }
  .feats, .tools { grid-template-columns: 1fr; }
  .logo small { display: none; }
  .hero h1 { font-size: 40px; }
  .hero .sub { font-size: 17.5px; }
  .eyebrow { font-size: 12.5px; }
  .stats { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .install { font-size: 12.5px; }
  .foot-inner { grid-template-columns: 1fr; }
  .pager { flex-direction: column; }
}

/* Playground */
.playground { max-width: 1440px; margin: 0 auto; padding: 18px 20px 8px; }
.pg-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-bottom: 14px; }
.pg-bar h1 { font-size: 26px; margin: 0 8px 0 0; letter-spacing: -0.01em; }
.pg-bar .btn { height: 38px; padding: 0 16px; font-size: 14px; border-radius: 10px; }
.pg-pick { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
.pg-pick select, .pg-urlbar select, .pg-urlbar input { font: inherit; font-size: 14px; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; }
.pg-status { margin-left: auto; font-size: 13px; color: var(--muted); }
.pg-status.busy::before { content: ""; display: inline-block; width: 10px; height: 10px; margin-right: 8px; vertical-align: -1px;
  border: 2px solid var(--accent); border-right-color: transparent; border-radius: 50%; animation: pg-spin .8s linear infinite; }
@keyframes pg-spin { to { transform: rotate(360deg); } }
.pg-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; height: calc(100vh - 64px - 150px); min-height: 480px; }
.pg-editor, .pg-output { display: flex; flex-direction: column; min-height: 0; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--surface); box-shadow: var(--shadow); }
.pg-file { font: 13px var(--mono); color: var(--muted); padding: 8px 14px; border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.pg-code { flex: 1; display: flex; min-height: 0; background: var(--bg-code); }
.pg-code pre, .pg-code textarea { margin: 0; font: 13.5px/1.6 var(--mono); padding: 12px 0; tab-size: 4; }
#pg-gutter { width: 48px; flex: none; overflow: hidden; text-align: right; padding-right: 10px; color: var(--muted); user-select: none;
  border-right: 1px solid var(--line); }
#pg-gutter b { color: #fff; background: #dc2626; border-radius: 4px; padding: 0 4px; font-weight: 600; }
#pg-source { flex: 1; min-width: 0; resize: none; border: 0; outline: none; padding-left: 14px; padding-right: 14px; background: transparent;
  color: var(--ink); white-space: pre; overflow: auto; }
.pg-error { display: grid; gap: 4px; padding: 10px 14px; font-size: 14px; border-top: 1px solid #dc2626;
  background: color-mix(in srgb, #dc2626 10%, var(--bg)); color: var(--ink); }
.pg-error[hidden] { display: none; }
.pg-error strong { color: #dc2626; }
.pg-error em { color: var(--ink-2); font-style: normal; }
.pg-error em::before { content: "Fix: "; font-weight: 600; }
.pg-tabs { display: flex; gap: 2px; padding: 6px 8px 0; border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.pg-tabs button { font: inherit; font-size: 14px; color: var(--muted); background: none; border: 0; border-bottom: 2px solid transparent;
  padding: 6px 12px 8px; cursor: pointer; }
.pg-tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.pg-urlbar { display: flex; gap: 8px; padding: 8px; border-bottom: 1px solid var(--line); }
.pg-urlbar input { flex: 1; min-width: 0; font-family: var(--mono); }
#pg-frame { flex: 1; width: 100%; border: 0; background: #fff; min-height: 0; }
#pg-frame[hidden], .pg-panel[hidden] { display: none; }
.pg-panel { flex: 1; margin: 0; overflow: auto; min-height: 0; }
#pg-js { font: 13px/1.55 var(--mono); padding: 14px; background: var(--bg-code); white-space: pre; }
#pg-place table { width: 100%; border-collapse: collapse; font-size: 14px; }
#pg-place th, #pg-place td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
#pg-place td.name { font-family: var(--mono); white-space: nowrap; }
#pg-place td.where { white-space: nowrap; font-weight: 600; }
#pg-place td.browser { color: var(--accent-ink); }
#pg-place td.server { color: #7c3aed; }
.pg-note { max-width: 900px; font-size: 14px; color: var(--muted); margin: 14px 0 6px; }
@media (max-width: 960px) {
  .pg-split { grid-template-columns: 1fr; height: auto; }
  .pg-editor { height: 60vh; }
  .pg-output { height: 70vh; }
  .pg-status { margin-left: 0; width: 100%; }
}