:root {
  --bg: #f4f6f9; --surface: #ffffff; --text: #1b1f24; --muted: #596372; --line: #e2e6ec;
  --accent: #2457c5; --accent-text: #ffffff; --accent-soft: #e8efff; --focus: #b34700; --danger: #9b1c1c;
  --ok-text: #15613a; --ok-bg: #e4f4ea; --bad-text: #9b1c1c; --bad-bg: #fdeaea;
  --shadow: 0 1px 2px rgba(20, 30, 50, .06), 0 4px 14px rgba(20, 30, 50, .05);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116; --surface: #161b22; --text: #e8eaed; --muted: #a2acba; --line: #283039;
    --accent: #8ab4ff; --accent-text: #0b1220; --accent-soft: #1b2740; --focus: #ffb36b; --danger: #ff9a9a;
    --ok-text: #7ddc98; --ok-bg: #12301f; --bad-text: #ff9a9a; --bad-bg: #3a1717;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-underline-offset: .18em; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, pre:focus-visible {
  outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: 1rem; top: -4rem; background: var(--accent); color: var(--accent-text); padding: .6rem 1rem; border-radius: 6px; z-index: 10; }
.skip:focus { top: 1rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: 100%; max-width: 38rem; margin: 0 auto; padding: 0 20px; }

.bar .wrap { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; align-items: center; justify-content: space-between; padding-top: 1.3rem; padding-bottom: .6rem; }
.bar strong { font-weight: 650; font-size: 1.05rem; }
.bar strong::before { content: ""; display: inline-block; width: .6rem; height: .6rem; border-radius: 50%; background: var(--accent); margin-right: .55rem; }
.bar strong a { color: var(--text); text-decoration: none; }
.bar ul { display: flex; flex-wrap: wrap; gap: .2rem 1.3rem; list-style: none; margin: 0; padding: 0; align-items: center; }
.bar a { color: var(--muted); text-decoration: none; padding: .2rem 0; }
.bar a:hover { color: var(--accent); text-decoration: underline; }

main.wrap { margin-top: .8rem; padding-top: 1.2rem; padding-bottom: 2.2rem; background: var(--surface); border: 1px solid var(--line);
  border-radius: 16px; box-shadow: var(--shadow); max-width: calc(38rem + 2px); }
main:focus { outline: none; }
h1 { font-size: 1.6rem; font-weight: 650; line-height: 1.25; margin: .6rem 0 .5rem; overflow-wrap: anywhere; letter-spacing: -.01em; }
h2 { font-size: .95rem; font-weight: 650; margin: 2rem 0 .5rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
h3 { font-size: 1.05rem; margin: 1.4rem 0 .4rem; }
p { margin: .55rem 0; max-width: 34rem; }
.sub { color: var(--muted); }
code { font: .98em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--accent-soft); color: var(--text); padding: .1rem .4rem; border-radius: 6px; overflow-wrap: anywhere; }

label { display: block; font-weight: 550; margin-bottom: .25rem; }
input, select { font: inherit; padding: .6rem .75rem; border: 1px solid var(--muted); border-radius: 10px; background: var(--surface); color: var(--text); width: 100%; max-width: 24rem; }
input:hover, select:hover { border-color: var(--accent); }
form p { margin: 1rem 0; }
button, a.button { font: inherit; padding: .55rem 1.2rem; border: 1.5px solid var(--accent); border-radius: 10px; background: transparent; color: var(--accent); cursor: pointer; text-decoration: none; display: inline-block; line-height: 1.4; }
button:hover, a.button:hover { background: var(--accent-soft); }
button.primary, a.button.primary { background: var(--accent); color: var(--accent-text); }
button.primary:hover, a.button.primary:hover { filter: brightness(1.08); background: var(--accent); }
button.danger { border-color: var(--danger); color: var(--danger); }
button.link { border: none; padding: 0; color: var(--muted); text-decoration: underline; border-radius: 0; background: none; }
form.inline { display: inline; margin: 0; }
.actions { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.2rem 0; }
.actions form { margin: 0; }

.card { background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: .4rem 1.2rem 1rem; margin: 1.2rem 0; }
.card h2 { margin-top: 1rem; }
.connect { background: var(--accent-soft); border-color: transparent; }
.connect code { background: var(--surface); }
.connect dd code { font-size: 1.05em; }

.status { margin: .3rem 0 1rem; display: flex; flex-wrap: wrap; gap: .4rem .9rem; align-items: center; }
.chip { display: inline-block; padding: .15rem .8rem; border-radius: 999px; font-size: .9rem; font-weight: 600; }
.chip::before { content: "\25CF"; margin-right: .4rem; font-size: .75em; vertical-align: .1em; }
.chip.ok { background: var(--ok-bg); color: var(--ok-text); }
.chip.bad { background: var(--bad-bg); color: var(--bad-text); }

.list { list-style: none; padding: 0; margin: 1.2rem 0; display: grid; gap: .8rem; }
.list li { background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: .9rem 1.2rem; }
.list li p { margin: .3rem 0 0; }
.list a { font-weight: 600; overflow-wrap: anywhere; }

.notice { background: var(--ok-bg); color: var(--ok-text); border-radius: 10px; padding: .6rem 1rem; margin: .8rem 0; font-weight: 500; }
.error { background: var(--bad-bg); color: var(--bad-text); border-radius: 10px; padding: .6rem 1rem; margin: .8rem 0; font-weight: 600; }
.warn { color: var(--bad-text); }
.hint { color: var(--muted); font-size: .95rem; margin-top: -.6rem; }

dl { margin: .5rem 0; display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1.4rem; align-items: baseline; }
dt { color: var(--muted); }
dd { margin: 0; word-break: break-word; }

details { border-top: 1px solid var(--line); }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; padding: .85rem 0; font-weight: 550; }
summary:hover { color: var(--accent); }
details > :not(summary) { margin-bottom: 1rem; }

table { border-collapse: collapse; width: 100%; font-size: .93rem; }
th, td { text-align: left; padding: .5rem .6rem .5rem 0; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 550; color: var(--muted); }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: .8rem; overflow-x: auto; font-size: .85rem; max-height: 20rem; }

footer { color: var(--muted); font-size: .93rem; padding: 1.2rem 0 2.5rem; }
footer .wrap { text-align: center; }
footer a { color: var(--muted); }

@media (max-width: 30rem) {
  main.wrap { border-radius: 0; border-left: none; border-right: none; margin-top: .4rem; }
  dl { grid-template-columns: 1fr; gap: 0; }
  dd { margin-bottom: .6rem; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }