:root { --fg: #1b1b1f; --muted: #5d606b; --bg: #f6f6f8; --card: #fff; --line: #d9dbe3; --accent: #1f5eff; --bad: #b3261e; --good: #1b6e3a; }
@media (prefers-color-scheme: dark) {
  :root { --fg: #e8e8ee; --muted: #a5a8b5; --bg: #121317; --card: #1c1d23; --line: #33353f; --accent: #7ea2ff; --bad: #ff8a80; --good: #7fd49a; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, Segoe UI, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 48px; }
h1 { font-size: 1.7rem; margin: 0 0 4px; }
h2 { font-size: 1.2rem; margin: 24px 0 8px; }
h2 small { font-weight: normal; color: var(--muted); font-size: 0.85rem; margin-left: 8px; }
h3 { font-size: 1rem; margin: 16px 0 8px; }
.lead { color: var(--muted); margin: 0 0 16px; }
section { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px 20px; margin-bottom: 16px; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 8px 0; }
.stack { display: grid; gap: 8px; margin: 8px 0; }
input { padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: inherit; font: inherit; }
button { padding: 9px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: inherit; font: inherit; cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button:disabled { opacity: 0.5; cursor: wait; }
.gsi { min-height: 40px; }
ul#methods { list-style: none; padding: 0; margin: 0 0 8px; }
ul#methods li { padding: 6px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; }
ul#methods li .state { color: var(--muted); }
ul#methods li.on .state { color: var(--good); }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 12px; overflow-x: auto; font-size: 0.85rem; }
.msg { padding: 10px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); white-space: pre-wrap; }
.msg.error { border-color: var(--bad); color: var(--bad); }
.msg.ok { border-color: var(--good); color: var(--good); }
footer { color: var(--muted); font-size: 0.85rem; margin-top: 24px; }
code { font-size: 0.9em; }