:root { color-scheme: light; --paper: #f6f4ed; --ink: #26362e; --muted: #607064; --line: #d9ddd2; --accent: #a65928; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 ui-sans-serif, system-ui, sans-serif; }
a { color: inherit; text-underline-offset: .25em; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
header, main, footer { width: min(100% - 48px, 1040px); margin: auto; }
header { display: flex; align-items: center; justify-content: space-between; padding: 28px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.wordmark { font-weight: 750; letter-spacing: .13em; text-decoration: none; }
.wordmark span { color: var(--muted); font-size: 11px; margin-left: 10px; letter-spacing: .08em; }
.intro { padding: 76px 0 42px; max-width: 780px; }
.eyebrow { font: 12px/1.5 ui-monospace, monospace; color: var(--accent); text-transform: uppercase; letter-spacing: .1em; }
h1 { font-family: Georgia, serif; font-weight: 400; font-size: clamp(40px, 6.6vw, 76px); line-height: 1.08; letter-spacing: -.04em; margin: 17px 0 26px; }
h2 { font-size: 22px; letter-spacing: -.025em; margin: 0 0 12px; line-height: 1.3; }
p { margin: 0 0 18px; }
.lead { color: var(--muted); max-width: 570px; font-size: 20px; }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 30px; font-size: 15px; }
.button { padding: 12px 18px; border-radius: 4px; background: var(--ink); color: var(--paper); text-decoration: none; }
.button:hover { color: white; background: #3b5043; }
.status { border-left: 3px solid var(--accent); padding: 16px 20px; background: #eeeadd; font-size: 14px; }
.status strong { color: var(--accent); }
.status p { margin: 4px 0 0; max-width: 820px; }
.concepts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px 54px; padding: 55px 0; }
.concepts p { color: var(--muted); margin: 0; }
.example { border-block: 1px solid var(--line); padding: 34px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
.example p:last-child { margin: 0; color: var(--muted); }
pre { font: 14px/1.8 ui-monospace, monospace; background: #e9ede4; padding: 28px; margin: 0; border-radius: 4px; overflow-x: auto; }
.detail { max-width: 800px; padding: 42px 0 0; }
.detail > p { color: var(--muted); }
ul { padding-left: 22px; margin: 0; }
li { margin-bottom: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { padding: 16px 0; border-top: 1px solid var(--line); text-align: left; vertical-align: top; }
th { width: 110px; padding-right: 20px; }
code { font: 14px ui-monospace, monospace; }
.discovery { padding-bottom: 55px; }
.discovery ul { list-style: none; padding: 0; }
.discovery li { display: flex; flex-wrap: wrap; gap: 16px; }
.discovery a { min-width: 145px; font-family: ui-monospace, monospace; }
.discovery span { color: var(--muted); }
footer { padding: 22px 0 34px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.skip { position: absolute; top: -80px; left: 20px; padding: 12px; background: var(--paper); }
.skip:focus { top: 10px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.entry { max-width: 600px; }
.entry label { display: block; font-size: 14px; font-weight: 650; margin: 20px 0 8px; }
.entry input { width: 100%; min-height: 52px; padding: 12px 14px; background: #fffdf8; border: 1px solid var(--line); border-radius: 4px; color: var(--ink); font: 20px ui-monospace, monospace; }
.entry button { cursor: pointer; border: 0; font: inherit; padding: 12px 18px; margin-top: 16px; border-radius: 4px; }
.entry button:disabled { opacity: .6; cursor: wait; }
.entry input:focus-visible, .entry button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
#entry-code { text-transform: uppercase; letter-spacing: .08em; }
#entry-status { margin-top: 20px; }
#access-url { font-size: 14px; }
.entry-note { margin-top: 32px; font-size: 14px; color: var(--muted); }
@media (max-width: 640px) { header, main, footer { width: calc(100% - 36px); } .intro { padding-top: 48px; } .concepts, .example { grid-template-columns: 1fr; } .concepts { gap: 26px; padding: 38px 0; } .lead { font-size: 18px; } .detail { padding-top: 34px; } pre { padding: 20px; font-size: 13px; } }