:root {
  color-scheme: light dark;
  --bg: #0f172a;
  --panel: #111827;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #38bdf8;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #020617 0%, #0f172a 100%);
  color: var(--text);
}
.container {
  max-width: 820px;
  margin: 48px auto;
  padding: 24px;
  background: rgba(17, 24, 39, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 20px;
}
h1 { margin-top: 0; }
p { color: var(--muted); }
a { color: var(--accent); }
img {
  display: block;
  margin: 20px 0;
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.18);
}