:root { color-scheme: dark; font-family: system-ui, sans-serif; background: #0b1423; color: #e8f1fc; }
body { min-height: 100vh; margin: 0; display: grid; place-items: center; padding: 20px; box-sizing: border-box; }
.card { box-sizing: border-box; width: min(100%, 420px); padding: 32px; border: 1px solid #365071; border-radius: 18px; background: #14243a; box-shadow: 0 16px 48px #0005; }
h1 { margin: 0 0 12px; font-size: 27px; }
p { color: #b8c9dc; line-height: 1.6; }
form { display: grid; gap: 10px; margin-top: 26px; }
input, button { box-sizing: border-box; width: 100%; min-height: 44px; padding: 12px 14px; font: inherit; border-radius: 9px; }
input { border: 1px solid #526986; background: #081522; color: #fff; }
button { border: 0; background: #5da9fa; color: #071522; font-weight: 700; cursor: pointer; }
button.secondary { margin-top: 20px; background: #334a67; color: #e8f1fc; }
button:disabled { opacity: .65; cursor: wait; }
.code-field { display: flex; gap: 8px; }
.code-field input { min-width: 0; flex: 1; }
.show-code { width: auto; flex: none; padding-inline: 16px; background: #334a67; color: #e8f1fc; }
.destination { padding: 10px 14px; border-radius: 9px; background: #203a56; color: #e8f1fc; }
.primary-link { display: block; padding: 12px 14px; border-radius: 9px; background: #5da9fa; color: #071522; text-align: center; font-weight: 700; text-decoration: none; }
.footnote { margin-bottom: 0; font-size: 13px; }
:focus-visible { outline: 3px solid #b9dcff; outline-offset: 2px; }
[hidden] { display: none !important; }
nav { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 26px; }
a { color: #9dcfff; }
#status { min-height: 1.6em; }
@media (max-width: 480px) { .card { padding: 24px; } }