:root {
  --bg: #ffffff;
  --surface: #f6f7f9;
  --text: #16181d;
  --muted: #5b6270;
  --rule: #e3e6ec;
  --accent: #1f6feb;
  --flag-bg: #fff4e5;
  --flag-border: #f0b429;
  --flag-text: #6b4a05;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1115;
    --surface: #171a21;
    --text: #e7e9ee;
    --muted: #9aa2b1;
    --rule: #262a33;
    --accent: #6aa4ff;
    --flag-bg: #2a2110;
    --flag-border: #8a6a1f;
    --flag-text: #f0d69a;
  }
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  padding: 3rem 1.25rem 5rem;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

main { max-width: 46rem; margin: 0 auto; }

.brand {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

h1 { font-size: clamp(1.7rem, 5vw, 2.3rem); line-height: 1.2; margin: 0 0 0.4rem; letter-spacing: -0.02em; }
h2 { font-size: 1.2rem; margin: 2.5rem 0 0.6rem; letter-spacing: -0.01em; }
h3 { font-size: 1rem; margin: 1.6rem 0 0.4rem; }

.updated { color: var(--muted); font-size: 0.9rem; margin: 0 0 2rem; }

p, li { color: var(--text); }
ul { padding-left: 1.25rem; }
li { margin: 0.35rem 0; }

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

hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

.lead {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 0.6rem;
  padding: 1rem 1.15rem;
  margin: 0 0 2rem;
}
.lead p { margin: 0.4rem 0; }
.lead p:first-child { margin-top: 0; }
.lead p:last-child { margin-bottom: 0; }

.flag {
  background: var(--flag-bg);
  border: 1px solid var(--flag-border);
  color: var(--flag-text);
  border-radius: 0.6rem;
  padding: 0.85rem 1.1rem;
  margin: 1.5rem 0;
  font-size: 0.93rem;
}

table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }
.table-wrap { overflow-x: auto; }

footer { margin-top: 3.5rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: 0.9rem; }
footer a { color: var(--muted); }