:root {
  --bg: #f6f7f4;
  --fg: #1b2420;
  --muted: #5b665f;
  --accent: #1f6b45;
  --card: #fff;
  --line: #d9ded8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121715;
    --fg: #eef2ee;
    --muted: #9aa69f;
    --accent: #4cbf84;
    --card: #1b221f;
    --line: #2b3530;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font:
    16px/1.5 system-ui,
    sans-serif;
}
main {
  max-width: 28rem;
  margin: 0 auto;
  padding: 2rem 1rem;
}
.brand {
  color: var(--muted);
  margin: 0;
}
h1 {
  margin: 0.25rem 0 0.5rem;
  font-size: 1.6rem;
}
.lead {
  color: var(--muted);
  margin-top: 0;
}
.players {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.players li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
}
.codebox {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
}
.codebox strong {
  font:
    700 1.3rem ui-monospace,
    monospace;
  letter-spacing: 0.15em;
}
.actions {
  display: grid;
  gap: 0.5rem;
  margin: 1.25rem 0;
}
.btn {
  display: block;
  text-align: center;
  padding: 0.8rem 1rem;
  border-radius: 0.6rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
.btn.primary {
  background: var(--accent);
  color: var(--bg);
}
.hint {
  color: var(--muted);
  font-size: 0.9rem;
}