:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #101115;
  color: #f6f5f2;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
body { min-width: 320px; min-height: 100vh; margin: 0; background: radial-gradient(ellipse at 50% 0%, #24252b 0, #101115 58rem); }
button, input { font: inherit; }
button { color: inherit; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: min(100% - 2rem, 68rem); margin: 0 auto; padding: 1.25rem 0; }
.brand { color: #f6f5f2; font-size: .95rem; font-weight: 850; letter-spacing: .06em; text-decoration: none; }
.brand span { color: #a6f174; }
.player-label { margin: 0; color: #a7a8ad; font-size: .85rem; }
.layout { width: min(100% - 1.5rem, 42rem); margin: clamp(1rem, 5vh, 3.5rem) auto 0; }
.game-card { overflow: hidden; padding: clamp(1.25rem, 5vw, 2.5rem); border: 1px solid #34353b; border-radius: 1.5rem; background: linear-gradient(160deg, #1c1d22, #17181d 65%); box-shadow: 0 1.5rem 5rem #0005; }
.game-heading { text-align: center; }
.eyebrow { margin: 0 0 .5rem; color: #a6f174; font-size: .7rem; font-weight: 800; letter-spacing: .18em; }
h1 { margin: 0; font-size: clamp(2rem, 8vw, 3.1rem); letter-spacing: -.045em; }
.instructions { margin: .75rem 0 1.5rem; color: #b7b8be; font-size: clamp(.95rem, 3vw, 1.05rem); line-height: 1.5; }
.instructions strong { color: #f6f5f2; }
.footnote { margin: 1rem 0 2rem; color: #83858e; font-size: .82rem; line-height: 1.5; text-align: center; }
@media (max-width: 420px) {
  .site-header { width: min(100% - 1.25rem, 68rem); padding: 1rem 0; }
  .brand { font-size: .83rem; }
  .player-label { font-size: .75rem; }
  .layout { width: min(100% - 1rem, 42rem); margin-top: 1rem; }
  .game-card { padding: 1.25rem 1rem; border-radius: 1.15rem; }
}