* { box-sizing: border-box; }
body { margin: 0; background: #17191f; color: #eee; font: 16px system-ui, sans-serif; }
header { max-width: 1200px; margin: auto; padding: 16px; display: flex; align-items: center; justify-content: space-between; }
h1 { font-size: 20px; margin: 0; }
button { background: #333945; color: white; border: 1px solid #616b7e; border-radius: 6px; padding: 8px 14px; cursor: pointer; }
main { max-width: 1200px; margin: auto; }
#game { width: 100%; height: min(75vh, 675px); background: #231f20; }
#status { text-align: center; }