:root {
  --bg: #f6f5f1;
  --fg: #1d1d1b;
  --muted: #6b6a65;
  --line: #d9d7cf;
  --accent: #2f5d50;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171816;
    --fg: #e9e7df;
    --muted: #9a988f;
    --line: #34352f;
    --accent: #8fc1ae;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main {
  max-width: 34rem;
  margin: 0 auto;
  padding: 3rem 1rem 4rem;
}
h1 { font-size: 1.8rem; margin: 0 0 1rem; }
section { margin-top: 2rem; }
label { display: block; color: var(--muted); font-size: .9rem; margin-bottom: .35rem; }
input {
  width: 100%;
  padding: .6rem .7rem;
  font: inherit;
  color: inherit;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 6px;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
code, .out { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.out { margin: .5rem 0 0; font-size: .9rem; overflow-wrap: anywhere; }
.now { color: var(--muted); }
.foot { margin-top: 3rem; font-size: .9rem; }
a { color: var(--accent); }