/* Join page. CSS that iOS 12 Safari understands (no inset, dvh or flex gap). */
html, body { margin: 0; background: #0b0f14; color: #e8eef6; font: 17px/1.4 -apple-system, system-ui, 'Segoe UI', Roboto, sans-serif; }
main { max-width: 480px; margin: 0 auto; padding: 24px 16px 40px; }
h1 { font-size: 28px; margin: 8px 0 4px; }
p { margin: 0 0 12px; }
a { color: #8ab4f8; }
.muted { color: #8a97a8; }
.small { font-size: 14px; }
.card { background: #151b23; border: 1px solid #263040; border-radius: 16px; padding: 16px; margin: 16px 0; }
label { display: block; font-size: 14px; color: #8a97a8; margin: 12px 0 6px; }
label:first-child { margin-top: 0; }
input {
  -webkit-appearance: none; appearance: none; box-sizing: border-box;
  width: 100%; padding: 14px; border-radius: 10px; border: 1px solid #263040;
  background: #0e141b; color: #e8eef6; font: inherit; font-size: 22px; letter-spacing: 2px;
}
.numbers { margin: 0 -4px 8px; }
.numbers .num {
  display: inline-block; vertical-align: top; width: 64px; height: 56px; margin: 4px; padding: 0;
  border: 1px solid #263040; border-radius: 12px; background: #0e141b; color: #e8eef6;
  font-size: 22px; font-weight: 700; line-height: 1;
}
.numbers .num span { display: block; margin-top: 4px; font-size: 11px; font-weight: 400; color: #8a97a8; }
.numbers .num.used { opacity: 0.45; color: #8a97a8; }
.numbers .num.chosen { background: #22c55e; border-color: #22c55e; color: #04130a; }
button {
  -webkit-appearance: none; appearance: none; box-sizing: border-box;
  width: 100%; margin-top: 20px; border: 0; border-radius: 12px; padding: 16px;
  font: inherit; font-weight: 600; font-size: 18px; background: #22c55e; color: #04130a;
}