:root { color-scheme: light; --bg: #fff; --fg: #1b1b1f; --muted: #666; --line: #ddd; --accent: #2b5fd9; --bad: #b3261e; }
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, sans-serif; color: var(--fg); background: var(--bg); }
header.top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 10px 16px; border-bottom: 1px solid var(--line); }
header .brand { font-weight: 600; color: var(--fg); text-decoration: none; }
header nav { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
header nav a { color: var(--accent); text-decoration: none; }
header .who { color: var(--muted); }
main { max-width: 960px; margin: 0 auto; padding: 16px; }
footer { padding: 16px; color: var(--muted); border-top: 1px solid var(--line); }
form { display: grid; gap: 8px; max-width: 520px; margin: 12px 0; padding: 12px; border: 1px solid var(--line); border-radius: 6px; }
label { display: grid; gap: 4px; }
label.check { grid-template-columns: auto 1fr; align-items: center; }
input, select, textarea, button { font: inherit; padding: 6px 8px; border: 1px solid var(--line); border-radius: 4px; }
button { background: var(--accent); color: #fff; border-color: var(--accent); cursor: pointer; }
button[disabled] { opacity: .5; cursor: default; }
.alert { padding: 8px 12px; border: 1px solid var(--bad); color: var(--bad); border-radius: 4px; margin-bottom: 12px; }
.alert.ok { border-color: #2e7d32; color: #2e7d32; }
.warnings p { margin: 4px 0; color: var(--muted); }
table { border-collapse: collapse; width: 100%; margin: 8px 0; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
pre { white-space: pre-wrap; word-break: break-all; background: #f6f6f8; padding: 8px; border-radius: 4px; }
section { margin: 16px 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }