:root { --bg:#f5f6f8; --card:#fff; --ink:#18202a; --muted:#5a6573; --line:#dfe3e9; --soft:#eef1f5; --brand:#1f5f8b; color-scheme: light; }
:root[data-theme="dark"] { --bg:#11151a; --card:#1a2027; --ink:#e7ebf0; --muted:#9ba6b3; --line:#2c343e; --soft:#222a33; --brand:#6aaee0; color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--brand); }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { display: flex; gap: 8px; align-items: center; }
.sep { color: var(--muted); }
.doc { max-width: 880px; margin: 0 auto; padding: 16px 16px 48px; }
.doc h1 { font-size: 30px; line-height: 1.2; }
.doc h2 { margin-top: 32px; font-size: 21px; }
code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .92em; background: var(--soft); padding: 1px 5px; border-radius: 5px; }
pre { background: var(--soft); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; overflow-x: auto; font: 13px/1.5 ui-monospace, Menlo, Consolas, monospace; margin: 0; }
pre code { background: none; padding: 0; }
.codegroup { margin: 12px 0 20px; }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 6px; }
.tab { font: inherit; font-size: 13px; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 8px; padding: 3px 10px; cursor: pointer; }
.tab.active { background: var(--brand); color: #fff; border-color: var(--brand); }
table { border-collapse: collapse; width: 100%; font-size: 14px; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.muted { color: var(--muted); } .small { font-size: 14px; } .mono { font-family: ui-monospace, Menlo, monospace; }
.statebox, .tokenbox { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 10px 0; word-break: break-all; }
.tokenrow { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
button.mini, button.primary { font: inherit; font-size: 14px; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 8px; padding: 6px 12px; cursor: pointer; }
button.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
button:disabled { opacity: .5; }
.foot { border-top: 1px solid var(--line); padding: 16px; color: var(--muted); font-size: 14px; text-align: center; }