:root {
  --bg: #fbfbfa;
  --fg: #1c1d21;
  --muted: #5d6068;
  --line: #e2e2de;
  --panel: #ffffff;
  --accent: #3b5bdb;
  --flash: #b45309;
  --fixed: #b91c1c;
  --assessed: #6d28d9;
  --code: #f1f1ee;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111215;
    --fg: #e7e7ea;
    --muted: #a0a3ab;
    --line: #2a2c31;
    --panel: #17181c;
    --accent: #8ea4ff;
    --flash: #f59e0b;
    --fixed: #f87171;
    --assessed: #a78bfa;
    --code: #1d1f24;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main, header, footer { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; }

header { padding-top: 3.5rem; padding-bottom: 1rem; }

h1 { font-size: 2.4rem; line-height: 1.15; margin: 0 0 0.5rem; letter-spacing: -0.02em; }

.lede { font-size: 1.2rem; color: var(--muted); margin: 0 0 1.5rem; }

h2 { font-size: 1.3rem; margin: 2.75rem 0 0.75rem; }

a { color: var(--accent); }

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.5rem 0 0; }

.button {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
}

.button.primary { background: var(--accent); border-color: var(--accent); color: var(--bg); }

.button:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.tiers { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.75rem; }

.tiers li { background: var(--panel); border: 1px solid var(--line); border-radius: 0.5rem; padding: 0.75rem 1rem; }

.tier { font-weight: 700; margin-right: 0.35rem; }
.tier.flash { color: var(--flash); }
.tier.fixed { color: var(--fixed); }
.tier.assessed { color: var(--assessed); }

table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }

code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.88rem; }
code { background: var(--code); padding: 0.1rem 0.3rem; border-radius: 0.25rem; overflow-wrap: anywhere; }
pre { background: var(--code); padding: 0.9rem 1rem; border-radius: 0.5rem; overflow-x: auto; line-height: 1.45; }
pre code { background: none; padding: 0; }

.note { color: var(--muted); font-size: 0.95rem; }

footer { margin-top: 3.5rem; padding-top: 1.25rem; padding-bottom: 3rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }