:root { color-scheme: light; --bg: #fbfaf7; --card: #ffffff; --ink: #1b1b19; --ink2: #55544f; --muted: #8a8984; --rule: #e6e3dc; --accent: #2a78d6; }
@media (prefers-color-scheme: dark) { :root { color-scheme: dark; --bg: #171716; --card: #20201e; --ink: #f0efec; --ink2: #c3c2b7; --muted: #8f8e88; --rule: #32322e; --accent: #4b93ea; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
header.top { display: flex; justify-content: space-between; align-items: center; padding: 18px 0; }
.brand { font-weight: 800; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
nav a { color: var(--ink2); text-decoration: none; margin-left: 18px; font-size: 15px; }
h1 { font-size: clamp(32px, 6vw, 50px); line-height: 1.08; letter-spacing: -0.025em; margin: 36px 0 14px; }
h2 { font-size: 26px; letter-spacing: -0.015em; margin: 48px 0 10px; }
h3 { margin: 0 0 4px; font-size: 18px; }
p { margin: 0 0 14px; }
.lede { font-size: 20px; color: var(--ink2); max-width: 640px; }
a { color: var(--accent); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: 14px; padding: 16px; text-decoration: none; color: var(--ink); display: block; }
.card p { color: var(--ink2); font-size: 15px; margin: 0; }
.steps { display: grid; gap: 12px; counter-reset: s; padding: 0; list-style: none; }
.steps li { background: var(--card); border: 1px solid var(--rule); border-radius: 14px; padding: 14px 16px 14px 52px; position: relative; }
.steps li::before { counter-increment: s; content: counter(s); position: absolute; left: 16px; top: 14px; width: 24px; height: 24px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 800; font-size: 14px; display: grid; place-items: center; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }
pre { background: var(--card); border: 1px solid var(--rule); border-radius: 12px; padding: 14px; overflow-x: auto; }
code { background: var(--card); border: 1px solid var(--rule); border-radius: 6px; padding: 1px 6px; }
pre code { border: 0; padding: 0; }
.copy { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.copy code { font-size: 16px; padding: 8px 12px; }
button { font: inherit; font-weight: 700; border: 0; background: var(--accent); color: #fff; padding: 9px 16px; border-radius: 10px; cursor: pointer; }
.note { color: var(--muted); font-size: 14px; }
details { background: var(--card); border: 1px solid var(--rule); border-radius: 12px; padding: 12px 16px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 700; }
footer { color: var(--muted); font-size: 14px; padding: 48px 0 36px; }
footer a { color: inherit; }