body { font-family: system-ui, sans-serif; margin: 0; padding: 16px; max-width: 640px; margin-inline: auto; }
header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
h1 a { text-decoration: none; color: inherit; }
.flashes { color: #b00020; padding-left: 16px; }
.tabs a { margin-right: 12px; text-decoration: none; }
.tabs a.active { font-weight: bold; text-decoration: underline; }
.items { list-style: none; padding: 0; }
.items li { border-bottom: 1px solid #ddd; padding: 8px 0; }
.items .url, .items .preview { display: block; color: #888; font-size: 13px; }
.notes li.is-anchor { background: #fff3b0; }
.help-content h2 { margin-top: 24px; }
.help-content h3 { margin-top: 16px; }
.help-content ul, .help-content ol { padding-left: 24px; }
.help-content code { background: #f2f2f2; padding: 1px 4px; border-radius: 3px; }
.help-content pre { background: #f2f2f2; padding: 12px; overflow-x: auto; border-radius: 4px; }
.help-content pre code { background: none; padding: 0; }