:root {
    color-scheme: light;
    --accent: #134e4a; --accent-soft: #f0fdfa; --ink: #0f172a; --text: #334155; --muted: #64748b; --line: #e5e9f0; --bg: #f6f8fb;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
code { font-family: var(--mono); font-size: 13px; background: #eef2f6; border-radius: 6px; padding: 1px 6px; word-break: break-all; }
pre { font-family: var(--mono); font-size: 13px; line-height: 1.55; background: #0f172a; color: #e2e8f0; border-radius: 12px; padding: 14px 16px; overflow-x: auto; margin: 10px 0 0; }
pre code { background: none; padding: 0; color: inherit; word-break: normal; }

.top { max-width: 960px; margin: 0 auto; padding: 16px 16px 0; display: flex; align-items: center; gap: 10px 20px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--accent); text-decoration: none; letter-spacing: -0.01em; font-size: 17px; margin-right: auto; }
.brand svg { flex: none; }
nav { display: flex; gap: 4px 16px; flex-wrap: wrap; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; padding: 4px 0; }
nav a:hover, nav a[aria-current] { color: var(--ink); }
nav a[aria-current] { font-weight: 600; }
.tag { font-size: 12px; font-weight: 600; color: #7c2d12; background: #fff7ed; border: 1px solid #fed7aa; border-radius: 999px; padding: 2px 10px; white-space: nowrap; }

main { max-width: 720px; margin: 0 auto; padding: 24px 16px 32px; }
main.wide { max-width: 760px; }
h1 { font-size: 30px; line-height: 1.2; letter-spacing: -0.02em; color: var(--ink); margin: 8px 0 8px; }
h2 { font-size: 20px; color: var(--ink); margin: 34px 0 8px; letter-spacing: -0.01em; }
h3 { font-size: 16px; color: var(--ink); margin: 0 0 4px; }
p { margin: 0 0 12px; }
.lead { font-size: 17px; color: var(--muted); margin-bottom: 20px; }
.muted { color: var(--muted); font-size: 14px; }

.points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 640px; margin: 8px auto 0; padding: 0 16px; }
.points div { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; font-size: 14px; }
.points b { display: block; color: var(--ink); margin-bottom: 2px; }

.card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; margin: 14px 0; }
.card > :last-child { margin-bottom: 0; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 12px 0; }
.steps li { position: relative; padding-left: 40px; margin: 0 0 14px; }
.steps li::before { counter-increment: s; content: counter(s); position: absolute; left: 0; top: 1px; width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: #fff; font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.keys { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 12px 0; }
.keys .card { margin: 0; }
details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 600; color: var(--ink); }
details p { margin: 10px 0 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--accent); background: var(--accent); color: #fff; font: inherit; font-size: 14px; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn.line { background: #fff; color: var(--accent); }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.field { display: block; width: 100%; font: inherit; font-size: 15px; padding: 11px 13px; border: 1.5px solid var(--line); border-radius: 10px; margin: 4px 0 10px; background: #fff; color: var(--ink); }
.field:focus { outline: none; border-color: var(--accent); }
input[type=file] { font: inherit; font-size: 14px; padding: 12px; border: 1.5px dashed #c7d2e3; border-radius: 12px; width: 100%; background: #fff; }
.good, .warn, .bad { border-radius: 12px; padding: 12px 14px; margin: 12px 0; font-size: 15px; }
.good { background: #f0fdf4; border: 1px solid #bbf7d0; }
.warn { background: #fff7ed; border: 1px solid #fed7aa; color: #7c2d12; }
.bad { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
dl.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: 14px; margin: 14px 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; font-family: var(--mono); font-size: 13px; color: var(--ink); word-break: break-all; }
.hash { font-family: var(--mono); font-size: 13px; color: var(--ink); word-break: break-all; background: #eef2f6; border-radius: 8px; padding: 8px 10px; display: block; margin: 6px 0 12px; }

.light { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 600; flex-wrap: wrap; }
.light i { width: 9px; height: 9px; border-radius: 50%; background: currentColor; }
.light small { font-weight: 400; color: var(--muted); font-size: 12px; }
.light-online { color: #15803d; } .light-stale { color: #b45309; } .light-offline { color: #b91c1c; }
table.watchers { width: 100%; border-collapse: collapse; font-size: 14px; }
table.watchers td, table.watchers th { text-align: left; padding: 10px 8px; border-top: 1px solid var(--line); vertical-align: top; }
table.watchers th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; border-top: 0; }

footer { max-width: 720px; margin: 0 auto; padding: 8px 16px 40px; text-align: center; font-size: 13px; color: var(--muted); }
footer a { color: var(--muted); }

@media (max-width: 640px) {
    h1 { font-size: 25px; }
    .points, .keys { grid-template-columns: 1fr; }
    nav { width: 100%; }
    dl.kv { grid-template-columns: 1fr; gap: 0 0; }
    dl.kv dd { margin-bottom: 8px; }
}