:root { --bg: #f6f6f8; --card: #ffffff; --ink: #1b1c22; --quiet: #5d6270; --line: #e3e4ea; --accent: #0b7a92; --accent-ink: #ffffff; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #111319; --card: #191b22; --ink: #e2e2eb; --quiet: #9aa3ad; --line: #2a2d36; --accent: #4cd7f6; --accent-ink: #003640; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Arial, sans-serif; }
main { max-width: 640px; margin: 0 auto; padding: 32px 16px 48px; }
h1 { font-size: 26px; margin: 0 0 6px; }
h2 { font-size: 18px; margin: 0 0 10px; }
h3 { font-size: 15px; margin: 18px 0 6px; }
.tag { font-size: 13px; font-weight: 600; color: var(--accent); vertical-align: middle; margin-inline-start: 6px; }
.lead { color: var(--quiet); margin: 0 0 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; margin-bottom: 14px; }
.account { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.who { font-weight: 600; word-break: break-all; }
.fine { color: var(--quiet); font-size: 13px; }
.msg { color: #c0392b; }
.ver { color: var(--quiet); margin: 0 0 12px; }
a { color: var(--accent); }
a.dl { display: block; text-align: center; background: var(--accent); color: var(--accent-ink); text-decoration: none; padding: 13px; border-radius: 12px; font-weight: 600; margin-bottom: 12px; }
ol, ul { padding-inline-start: 20px; margin: 8px 0; }
li { margin: 4px 0; }
button { font: inherit; border-radius: 10px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); padding: 8px 14px; cursor: pointer; }
button.quiet { background: transparent; color: var(--accent); }
button.small { font-size: 13px; padding: 4px 10px; margin-inline-end: 6px; }
.row { display: flex; gap: 8px; margin-bottom: 6px; }
input { flex: 1; min-width: 0; font: inherit; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); }
table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 10px 0; display: block; overflow-x: auto; }
th, td { text-align: start; padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--quiet); font-weight: 500; }
footer { text-align: center; margin-top: 24px; }
.draft { border-color: #c98a00; }
.code { font: 600 30px/1.2 ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: 2px; margin: 14px 0 4px; }
article h2 { margin-top: 22px; }