:root {
  --teal: #0e5c58;
  --ink: #172321;
  --muted: #4a5856;
  --ground: #f4f6f5;
  --card: #ffffff;
  --line: #d3dcda;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --teal: #7fcbc4;
    --ink: #e6ecea;
    --muted: #a9b6b3;
    --ground: #121a19;
    --card: #1b2523;
    --line: #2e3a38;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 16px/1.6 "Noto Sans", "Noto Sans Devanagari", system-ui, sans-serif;
}
header { background: #0e5c58; color: #fff; }
header .bar {
  max-width: 760px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  justify-content: space-between;
}
header a { color: #fff; text-decoration: none; font-weight: 600; }
header nav { display: flex; gap: 12px; font-size: 14px; }
header nav a { font-weight: 500; opacity: 0.9; }
header nav a[aria-current] { opacity: 1; text-decoration: underline; }
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { font-size: 28px; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
h3 { font-size: 17px; margin: 20px 0 4px; }
p, li { max-width: 68ch; }
a { color: var(--teal); }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.box { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin: 16px 0; }
.box p { margin: 6px 0; }
.links { list-style: none; padding: 0; margin: 16px 0; display: grid; gap: 8px; }
.links a {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  font-weight: 600;
  text-decoration: none;
}
.links span { display: block; color: var(--muted); font-weight: 400; font-size: 14px; }
.table { overflow-x: auto; margin: 12px 0; }
table { border-collapse: collapse; width: 100%; min-width: 560px; background: var(--card); font-size: 14px; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--ground); }
footer { max-width: 760px; margin: 0 auto; padding: 16px 16px 40px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }