/* ScratchAPI site: "scratch paper" look. Shared by index.html and features.html. */
:root {
  --paper: #f6f1e7;
  --paper-2: #fffaf0;
  --ink: #1b1a17;
  --mute: #5f594d;
  --line: #d6cdb9;
  /* Brand gradient, sampled from the app icon (top to bottom). */
  --grad: linear-gradient(180deg, #ff7a00 0%, #d54d58 52%, #ab26b0 100%);
  --accent: #d54d58;          /* icon mid-tone: borders, strikes, focus rings */
  --accent-text: #b8305f;     /* small coloured text on paper (AA contrast) */
  --accent-on-ink: #ff8a3d;   /* small coloured text on the dark strip/tiles */
  --accent-ink: #ffffff;
  --blue: #0e7490;
  --green: #15803d;
  --amber: #b45309;
  --rose: #be123c;
  --dot: rgba(27, 26, 23, .13);
  --shadow: var(--ink);
  /* App-window mock: always dark, like the real app. */
  --w-bg: #020617; --w-panel: #0f172a; --w-line: #1e293b; --w-text: #e2e8f0; --w-mute: #94a3b8; --w-sky: #38bdf8;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #15130f; --paper-2: #1d1a14; --ink: #f2ecdd; --mute: #aaa28f; --line: #3a3529;
    --accent: #ee6a6a; --accent-text: #ff9a5c; --accent-on-ink: #b8305f; --accent-ink: #ffffff; --blue: #67e8f9; --green: #4ade80; --amber: #fbbf24; --rose: #fb7185;
    --dot: rgba(242, 236, 221, .09); --shadow: #000;
  }
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body {
  background: var(--paper) radial-gradient(var(--dot) 1px, transparent 1px) 0 0 / 22px 22px;
  color: var(--ink); font: 17px/1.65 var(--sans);
}
a { color: inherit; }
code, kbd { font-family: var(--mono); font-size: .88em; background: var(--paper-2); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 14px; border-radius: 6px; z-index: 20; }
.skip:focus { left: 8px; }

/* ---- Top bar ---- */
.top { position: sticky; top: 0; z-index: 10; background: var(--paper); border-bottom: 2px solid var(--ink); }
.top .wrap { display: flex; align-items: center; gap: 20px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 700 19px var(--serif); letter-spacing: -.01em; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.top nav { margin-left: auto; display: flex; gap: 6px; align-items: center; font: 600 13px var(--mono); }
.top nav a { text-decoration: none; padding: 6px 10px; border-radius: 6px; color: var(--mute); }
.top nav a:hover, .top nav a[aria-current] { color: var(--ink); background: var(--paper-2); }
.top nav .pill { background: var(--grad); color: var(--accent-ink); border: 2px solid var(--ink); margin-left: 6px; }
.top nav .pill:hover { background: var(--grad); filter: brightness(1.08); color: var(--accent-ink); }
@media (max-width: 640px) { .top nav a:not(.pill):not(:first-child) { display: none; } }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 10px; border: 2px solid var(--ink); background: var(--grad); color: var(--accent-ink); text-shadow: 0 1px 1px rgba(0,0,0,.3); font: 700 15px var(--sans); text-decoration: none; box-shadow: 4px 4px 0 var(--shadow); transition: transform .12s, box-shadow .12s; }
.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--shadow); }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--shadow); }
.btn.alt { background: var(--paper-2); color: var(--ink); text-shadow: none; }

/* ---- Type ---- */
h1, h2, h3 { font-family: var(--serif); letter-spacing: -.02em; line-height: 1.1; }
h1 { font-size: clamp(42px, 7vw, 76px); }
h2 { font-size: clamp(30px, 4.2vw, 46px); margin-bottom: 14px; }
h3 { font-size: 22px; margin-bottom: 8px; }
.eyebrow { font: 700 12px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent-text); margin-bottom: 14px; display: block; }
.lead { font-size: 20px; color: var(--mute); max-width: 560px; }
.sub { color: var(--mute); max-width: 640px; margin-bottom: 36px; font-size: 18px; }
mark { background: linear-gradient(90deg, #ff7a0066, #d54d5866, #ab26b055) 0 92% / 100% 44% no-repeat; color: inherit; padding: 0 2px; }
section { padding: 84px 0; }
.rule { border-top: 2px solid var(--ink); }

/* ---- Hero ---- */
.hero { padding: 64px 0 80px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 56px; align-items: center; }
@media (max-width: 960px) { .hero .wrap { grid-template-columns: 1fr; } }
.hero h1 em { font-style: italic; color: var(--accent); background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; padding: 0 .08em .06em 0; }
.hero .lead { margin: 22px 0 30px; }
.cta { display: flex; flex-wrap: wrap; gap: 16px; }
.meta { margin-top: 22px; font: 13px var(--mono); color: var(--mute); }
.nots { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 26px; padding: 0; list-style: none; }
.nots li { font: 700 12px var(--mono); border: 2px solid var(--ink); border-radius: 999px; padding: 3px 12px; text-decoration: line-through; text-decoration-color: var(--accent); text-decoration-thickness: 2px; background: var(--paper-2); }

/* ---- App window mock ---- */
.win { background: var(--w-panel); border: 2px solid var(--ink); border-radius: 12px; box-shadow: 10px 10px 0 var(--shadow); overflow: hidden; color: var(--w-text); font-size: 12px; line-height: 1.5; text-align: left; }
.win .ic { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.win .ic.sm { width: 12px; height: 12px; }
.win .ic.act { width: 15px; height: 15px; color: #38bdf8; }
.win .select { display: flex; align-items: center; justify-content: space-between; gap: 8px; border: 1px solid #334155; border-radius: 6px; padding: 4px 10px; background: var(--w-bg); color: var(--w-text); }
.win .bar { display: flex; align-items: center; gap: 12px; padding: 8px 12px; border-bottom: 1px solid var(--w-line); color: var(--w-mute); }
.win .bar img { width: 22px; height: 22px; border-radius: 5px; margin-right: auto; }
.win .bar .env-label { font-size: 11px; }
.win .bar .env { min-width: 96px; }
.win .bar-sep { width: 1px; height: 16px; background: #334155; }
.win .bar .wc { width: 15px; height: 15px; color: var(--w-text); }
.win .body { display: grid; grid-template-columns: 40px 168px 1fr; min-height: 360px; }
.win .rail { position: relative; background: var(--w-bg); border-right: 1px solid var(--w-line); display: flex; flex-direction: column; align-items: center; gap: 14px; padding-top: 12px; color: #64748b; }
.win .rail svg { width: 17px; height: 17px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.win .rail .on { color: var(--w-text); }
.win .rail .rail-bar { position: absolute; left: 1px; top: 40px; width: 2px; height: 22px; border-radius: 9999px; background: var(--grad); }
.win .side { border-right: 1px solid var(--w-line); padding: 12px; color: #cbd5e1; }
.win .side h3 { font: 700 13px var(--sans); color: var(--w-text); letter-spacing: 0; margin: 0 0 10px; }
.win .side h4 { font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--w-mute); margin: 0; font-family: var(--sans); font-weight: 600; }
.win .side .coll-row { display: flex; align-items: center; justify-content: space-between; margin: 12px 0 2px; padding: 0 8px; }
.win .side .coll-row .acts { display: flex; gap: 10px; }
.win .side div { padding: 4px 8px; border-radius: 4px; }
.win .side .select { padding: 5px 10px; border-radius: 6px; }
.win .side .folder { display: flex; align-items: center; gap: 6px; color: var(--w-mute); margin-top: 4px; }
.win .side .folder .act { margin-left: auto; }
.win .side .nest { padding-left: 14px; }
.win .side .sel { position: relative; background: linear-gradient(90deg, rgba(255, 122, 0, .18), rgba(213, 77, 88, .1) 55%, rgba(171, 38, 176, .06)); box-shadow: inset 0 0 0 1px rgba(213, 77, 88, .45); color: #fff; }
.win .side .sel::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 2px; border-radius: 9999px; background: var(--grad); }
.win .m { font: 700 10px var(--mono); margin-right: 8px; }
.win .main { padding: 14px; min-width: 0; }
.win .req-head { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; }
.win .req-title { margin-right: auto; font: 600 13px var(--sans); color: var(--w-text); }
.win .tool { display: inline-flex; align-items: center; gap: 6px; color: var(--w-mute); }
.win .url { display: flex; gap: 8px; align-items: stretch; }
.win .url > .grow { flex: 1; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; border: 1px solid #334155; border-radius: 6px; padding: 6px 10px; background: var(--w-bg); font: 12px var(--mono); }
.win .url .method { font: 700 12px var(--mono); min-width: 62px; padding: 6px 8px; }
.win .url .send { display: flex; align-items: center; background: linear-gradient(135deg, #ff7a00 0%, #d54d58 50%, #ab26b0 100%); border: 1px solid transparent; border-radius: 6px; padding: 0 16px; color: #fff; text-shadow: 0 1px 1px rgba(0, 0, 0, .3); font: 700 12px var(--sans); }
.win .tabs sup { font-size: 10px; line-height: 1; vertical-align: baseline; position: static; margin-left: 4px; color: #64748b; }
.win .resp-panel { margin: 0 -14px -14px; padding: 0 14px 14px; border-top: 1px solid var(--w-line); margin-top: 12px; }
.win .var { color: var(--w-sky); background: rgba(14, 165, 233, .2); border-radius: 3px; padding: 0 2px; }
.win .tabs { display: flex; gap: 14px; margin-top: 12px; border-bottom: 1px solid var(--w-line); color: var(--w-mute); }
.win .tabs span { position: relative; padding: 3px 0; border-bottom: 2px solid transparent; }
.win .tabs .on { color: var(--w-text); }
.win .tabs .on::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: linear-gradient(90deg, #ff7a00, #d54d58, #ab26b0); }
.win .note { margin-top: 12px; border: 1px solid #0369a1; background: rgba(8, 47, 73, .5); color: #bae6fd; border-radius: 5px; padding: 4px 10px; }
.win .resp { margin-top: 10px; font: 12px/1.5 var(--mono); color: #cbd5e1; }
.win .resp .ok { color: #34d399; font-weight: 700; }
.win .resp pre { margin: 6px 0 0; font: inherit; }
.win .k { color: #7dd3fc; } .win .s { color: #6ee7b7; } .win .n { color: #fbbf24; } .win .b { color: #a78bfa; }
@media (max-width: 640px) { .win .body { grid-template-columns: 40px 1fr; } .win .side { display: none; } }

/* Capture-tab mock (a single request pane, no window chrome). */
.win.pane { padding: 16px; background: var(--w-bg); }
.win.pane .req-head { margin-bottom: 14px; }
.win.pane .url .grow { padding: 8px 10px; }
.win.pane .url .send { padding: 0 20px; }
.win .cap-head { display: flex; align-items: baseline; gap: 8px; margin-top: 16px; font-size: 11px; color: var(--w-mute); }
.win .cap-head b { font-size: 11px; letter-spacing: .06em; color: #cbd5e1; }
.win .cap-head .add { margin-left: auto; color: var(--w-sky); }
.win .cap-row { display: grid; grid-template-columns: 16px 112px minmax(0, 1fr) 14px minmax(0, 1fr) auto; align-items: center; gap: 8px; margin-top: 10px; }
.win .cap-row .box { width: 16px; height: 16px; border-radius: 4px; background: var(--grad); display: grid; place-items: center; }
.win .cap-row .box svg { width: 11px; height: 11px; stroke: #fff; fill: none; stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; }
.win .cap-row .field { border: 1px solid #334155; border-radius: 6px; padding: 6px 10px; background: var(--w-panel); font: 12px var(--mono); color: var(--w-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.win .cap-row .arrow { color: #64748b; text-align: center; }
.win .cap-row .rm { color: #64748b; font-size: 11px; }
@media (max-width: 560px) { .win .cap-row { grid-template-columns: 16px minmax(0, 1fr) minmax(0, 1fr); } .win .cap-row .select, .win .cap-row .arrow, .win .cap-row .rm { display: none; } }

/* ---- Life-of-a-request strip ---- */
.strip { background: var(--ink); color: var(--paper); padding: 0; border-block: 2px solid var(--ink); }
.strip ol { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); counter-reset: s; }
.strip li { counter-increment: s; padding: 28px 24px; border-left: 1px solid color-mix(in srgb, var(--paper) 25%, transparent); }
.strip li:first-child { border-left: 0; }
.strip li::before { content: "0" counter(s); font: 700 12px var(--mono); color: var(--accent-on-ink); display: block; margin-bottom: 8px; }
.strip strong { display: block; font: 700 22px var(--serif); margin-bottom: 4px; }
.strip span { font-size: 14px; color: color-mix(in srgb, var(--paper) 72%, transparent); display: block; line-height: 1.5; }
@media (max-width: 860px) { .strip ol { grid-template-columns: 1fr 1fr; } .strip li:nth-child(3) { border-left: 0; } .strip li:nth-child(n+3) { border-top: 1px solid color-mix(in srgb, var(--paper) 25%, transparent); } }
@media (max-width: 480px) { .strip ol { grid-template-columns: 1fr; } .strip li { border-left: 0; border-top: 1px solid color-mix(in srgb, var(--paper) 25%, transparent); } .strip li:first-child { border-top: 0; } }

/* ---- Bento ---- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.tile { grid-column: span 2; background: var(--paper-2); border: 2px solid var(--ink); border-radius: 14px; padding: 24px; box-shadow: 5px 5px 0 var(--shadow); position: relative; }
.tile.w3 { grid-column: span 3; } .tile.w4 { grid-column: span 4; }
.tile p { color: var(--mute); font-size: 15.5px; }
.tile .tag { font: 700 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent-text); display: block; margin-bottom: 10px; }
.tile.dark .tag { color: var(--accent-on-ink); }
.tile.dark { background: var(--ink); color: var(--paper); }
.tile.dark p { color: color-mix(in srgb, var(--paper) 75%, transparent); }
.tile.orange { background: var(--grad); color: var(--accent-ink); text-shadow: 0 1px 2px rgba(0,0,0,.28); }
.tile.orange p, .tile.orange .tag { color: inherit; opacity: .92; }
.tile.orange code, .tile.dark code { background: rgba(0, 0, 0, .22); border-color: rgba(0, 0, 0, .35); color: inherit; }
.tile a.more { display: inline-block; margin-top: 12px; font: 700 13px var(--mono); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip { font: 700 12px var(--mono); border: 2px solid currentColor; border-radius: 999px; padding: 2px 11px; }
@media (max-width: 900px) { .bento { grid-template-columns: 1fr 1fr; } .tile, .tile.w3, .tile.w4 { grid-column: span 2; } .tile:not(.w3):not(.w4) { grid-column: span 1; } }
@media (max-width: 560px) { .bento { grid-template-columns: 1fr; } .tile, .tile.w3, .tile.w4, .tile:not(.w3):not(.w4) { grid-column: span 1; } }

/* ---- Code blocks ---- */
pre.code { background: #0b1120; color: #cbd5e1; border: 2px solid var(--ink); border-radius: 12px; padding: 18px 20px; overflow-x: auto; font: 13px/1.6 var(--mono); box-shadow: 6px 6px 0 var(--shadow); }
pre.code .k { color: #7dd3fc; } pre.code .s { color: #6ee7b7; } pre.code .n { color: #fbbf24; } pre.code .c { color: #64748b; } pre.code .v { color: #fdba74; }

/* ---- Split rows ---- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 52px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.flow { list-style: none; padding: 0; display: grid; gap: 0; }
.flow li { position: relative; padding: 0 0 22px 56px; }
.flow li::before { content: ""; position: absolute; left: 17px; top: 36px; bottom: 0; width: 2px; background: var(--ink); }
.flow li:last-child::before { display: none; }
.flow li b { position: absolute; left: 0; top: 0; width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--ink); background: var(--grad); color: var(--accent-ink); text-shadow: 0 1px 1px rgba(0,0,0,.3); display: grid; place-items: center; font: 700 14px var(--mono); }
.flow strong { display: block; font: 700 19px var(--serif); }
.flow span { color: var(--mute); font-size: 15.5px; }
.shot { border: 2px solid var(--ink); border-radius: 12px; box-shadow: 8px 8px 0 var(--shadow); overflow: hidden; background: #0b1120; }
.shot img { display: block; width: 100%; height: auto; }
figcaption { font: 13px var(--mono); color: var(--mute); margin-top: 18px; }

/* ---- Download ---- */
.dls { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 800px) { .dls { grid-template-columns: 1fr; } }
.dl { background: var(--paper-2); border: 2px solid var(--ink); border-radius: 14px; padding: 24px; box-shadow: 5px 5px 0 var(--shadow); display: flex; flex-direction: column; gap: 8px; }
.dl h3 { margin: 0; }
.dl p { color: var(--mute); font-size: 15px; flex: 1; }
.dl .btn { justify-content: center; margin-top: 10px; }
.install { margin-top: 28px; }

/* ---- Footer ---- */
footer { border-top: 2px solid var(--ink); padding: 30px 0 44px; font: 13px var(--mono); color: var(--mute); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
footer a { text-decoration: none; border-bottom: 1px solid var(--line); }
footer a:hover { color: var(--ink); border-color: var(--accent); }

/* ---- Features page ---- */
.page-head { padding: 64px 0 40px; }
.page-head h1 { font-size: clamp(38px, 6vw, 64px); max-width: 820px; }
.page-head .lead { margin-top: 18px; }
.docs { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; padding-bottom: 80px; align-items: start; }
@media (max-width: 900px) { .docs { grid-template-columns: 1fr; gap: 24px; } }
.toc { position: sticky; top: 86px; font: 600 13px var(--mono); border: 2px solid var(--ink); border-radius: 12px; background: var(--paper-2); padding: 14px; box-shadow: 4px 4px 0 var(--shadow); }
.toc b { display: block; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-text); margin: 2px 6px 8px; }
.toc a { display: block; text-decoration: none; padding: 5px 8px; border-radius: 6px; color: var(--mute); }
.toc a:hover { background: var(--paper); color: var(--ink); }
@media (max-width: 900px) { .toc { position: static; display: flex; flex-wrap: wrap; gap: 2px 4px; } .toc b { width: 100%; } }
.feature { padding: 0 0 56px; margin-bottom: 56px; border-bottom: 2px dashed var(--line); }
.feature:last-child { border-bottom: 0; margin-bottom: 0; }
.feature h2 { font-size: clamp(28px, 3.6vw, 38px); }
.feature > p { color: var(--mute); max-width: 680px; margin-bottom: 18px; }
.feature .split { margin-top: 18px; align-items: start; }
.ticks { list-style: none; padding: 0; display: grid; gap: 10px; }
.ticks li { padding-left: 30px; position: relative; font-size: 16px; }
.ticks li::before { content: "\2713"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 5px; background: var(--grad); color: var(--accent-ink); text-shadow: 0 1px 1px rgba(0,0,0,.3); font: 700 12px/20px var(--mono); text-align: center; }
.ticks b { font-weight: 700; }
.kv { width: 100%; border-collapse: collapse; font-size: 15px; border: 2px solid var(--ink); border-radius: 12px; overflow: hidden; background: var(--paper-2); }
.kv th, .kv td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.kv th { font: 700 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mute); background: var(--paper); }
.kv tr:last-child td { border-bottom: 0; }
.kv td:first-child { white-space: nowrap; font-weight: 600; }
.kv .y { color: var(--green); font-weight: 700; } .kv .no { color: var(--rose); font-weight: 700; }
.callout { border-left: 5px solid var(--accent); border-image: var(--grad) 1; background: var(--paper-2); padding: 14px 18px; border-radius: 0 10px 10px 0; font-size: 15.5px; color: var(--mute); margin-top: 18px; max-width: 680px; }
.callout b { color: var(--ink); }