:root { --fg:#1a2230; --muted:#5a6675; --line:#dfe4ec; --accent:#1c6e8c; --bg:#fff; --code:#f4f6fa; }
* { box-sizing: border-box; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--fg);
  background: var(--bg); line-height: 1.55; margin: 0; padding: 2rem 1rem; }
main { max-width: 56rem; margin: 0 auto; }
h1 { font-size: 1.7rem; line-height: 1.2; }
h2 { font-size: 1.25rem; margin-top: 2.2rem; border-bottom: 1px solid var(--line); padding-bottom: .3rem; }
h3 { font-size: 1.02rem; margin-top: 1.4rem; }
p, li { color: var(--fg); }
a { color: var(--accent); }
.draft { background: #fff6e6; border: 1px solid #f0d28a; border-radius: 8px; padding: .8rem 1rem; margin: 1rem 0; }
.gated { background: var(--code); border-left: 3px solid var(--accent); border-radius: 4px;
  padding: .7rem 1rem; margin: 1rem 0; color: var(--muted); }
.meta { color: var(--muted); font-size: .9rem; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: .92rem; }
th, td { border: 1px solid var(--line); padding: .5rem .6rem; text-align: left; vertical-align: top; }
th { background: var(--code); }
code, .digest { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .82rem;
  word-break: break-all; background: var(--code); padding: .05rem .3rem; border-radius: 3px; }
.conveyed { color: #8c1c1c; font-weight: 600; }
ul.cr { margin: .3rem 0 .8rem; }
details { border: 1px solid var(--line); border-radius: 6px; margin: .6rem 0; }
summary { cursor: pointer; padding: .6rem .8rem; font-weight: 600; }
pre { background: var(--code); padding: 1rem; overflow-x: auto; border-radius: 0 0 6px 6px; margin: 0;
  font-size: .78rem; line-height: 1.4; white-space: pre-wrap; }
footer { margin-top: 2.5rem; border-top: 1px solid var(--line); padding-top: 1rem; color: var(--muted);
  font-size: .85rem; }