:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #f4f1e8;
  background: #071521;
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 50% 10%, #12465b, #071521 62%); }
main { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 56px 0 32px; }
header { display: flex; align-items: center; gap: 18px; margin-bottom: 30px; }
.mark { display: grid; place-items: center; width: 64px; height: 64px; border: 2px solid #36d6c6; border-radius: 20px; color: #36d6c6; font-size: 32px; }
.eyebrow { color: #36d6c6; font-size: 12px; font-weight: 800; letter-spacing: .22em; margin: 0 0 5px; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(30px, 7vw, 48px); line-height: 1.05; }
h2 { font-size: 20px; }
p { color: #c9d5d7; line-height: 1.55; }
.card { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 24px; margin-bottom: 16px; background: rgb(11 42 61 / 85%); border: 1px solid rgb(54 214 198 / 20%); border-radius: 20px; }
.step { display: grid; place-items: center; width: 34px; height: 34px; color: #071521; background: #36d6c6; border-radius: 50%; font-weight: 800; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
button, input { min-height: 48px; border-radius: 12px; font: inherit; }
button { padding: 0 18px; border: 1px solid #36d6c6; color: #071521; background: #36d6c6; font-weight: 750; cursor: pointer; }
button:disabled { cursor: not-allowed; filter: grayscale(.7); opacity: .48; }
button.danger { display: block; margin-top: 12px; border-color: #ff6577; background: #ff6577; }
label { display: block; margin: 18px 0 7px; }
input { width: 100%; padding: 0 14px; border: 1px solid #59717c; color: #f4f1e8; background: #071521; font-weight: 800; letter-spacing: .12em; }
#email-sign-in input { font-weight: 400; letter-spacing: normal; }
#email-submit { margin-top: 14px; }
.status { min-height: 24px; margin: 14px 0 0; color: #f3c969; }
details { padding: 18px 24px; border-radius: 16px; background: rgb(11 42 61 / 65%); }
summary { cursor: pointer; font-weight: 700; }
footer { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; padding: 26px 0 0; color: #9fb1b7; font-size: 14px; }
a { color: #36d6c6; }
@media (max-width: 520px) { main { padding-top: 28px; } .card { grid-template-columns: 1fr; padding: 18px; } }