:root { --bg: #fff; --fg: #1d1d1f; --muted: #6b6b70; --line: #e3e3e6; --code: #f4f4f6; --accent: #0b6b5d; }
@media (prefers-color-scheme: dark) { :root { --bg: #161618; --fg: #ececf0; --muted: #9a9aa2; --line: #2e2e33; --code: #222226; --accent: #5cc8b4; } }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
header { position: sticky; top: 0; display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  padding: 10px 16px; background: var(--bg); border-bottom: 1px solid var(--line); }
form { display: flex; gap: 8px; }
input, button { font: inherit; padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); }
button { cursor: pointer; border-color: var(--accent); color: var(--accent); }
main { max-width: 1100px; margin: 0 auto; padding: 8px 16px 64px; }
h1 { font-size: 1.6em; } h2 { margin-top: 2em; border-bottom: 1px solid var(--line); padding-bottom: 4px; } h3 { margin-top: 1.6em; font-size: 1em; }
code { background: var(--code); padding: 1px 4px; border-radius: 4px; font-size: .9em; word-break: break-word; }
table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; font-size: .92em; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.muted { color: var(--muted); }