:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--page);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --page: #f6f1f0;
  --card: #fffbfa;
  --ink: #261b19;
  --muted: #735e59;
  --earned: #b91c1c;
  --line: #cbb8b3;
  --shadow: 0 28px 80px rgba(38, 27, 25, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--page); }
button { font: inherit; }
a { color: inherit; }