:root {
  color-scheme: dark light;
  --bg: #0f1115;
  --card: #171a21;
  --fg: #e6e9ef;
  --muted: #9aa4b2;
  --line: #232834;
  --accent: #4cc38a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
}

.card {
  width: 100%;
  max-width: 32rem;
  padding: 2rem 2.25rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

h1 {
  margin: 0 0 0.25rem;
  font-size: 1.6rem;
}

h1::before {
  content: "● ";
  color: var(--accent);
}

.sub {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.meta {
  margin: 0 0 1.5rem;
  display: grid;
  gap: 0.75rem;
}

.meta div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.meta dt {
  color: var(--muted);
}

.meta dd {
  margin: 0;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.95em;
}

.foot {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
}