:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07110d;
  color: #f2f6f4;
}

* { box-sizing: border-box; }

body {
  min-height: 100dvh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 25% 15%, rgba(66, 211, 146, .15), transparent 38%),
    radial-gradient(circle at 85% 85%, rgba(31, 105, 79, .18), transparent 44%),
    #07110d;
}

.card {
  width: min(440px, 100%);
  padding: 36px;
  border: 1px solid rgba(179, 236, 210, .16);
  border-radius: 24px;
  background: rgba(12, 27, 21, .88);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .32);
  backdrop-filter: blur(18px);
}

.mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: #64dfaa;
  color: #07110d;
  font-size: 31px;
  font-weight: 800;
}

.eyebrow {
  margin: 24px 0 8px;
  color: #7fe6b7;
  font: 600 12px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: clamp(28px, 8vw, 38px); letter-spacing: -.035em; }
.copy { margin: 12px 0 28px; color: #b9c9c1; line-height: 1.55; }

form { display: grid; gap: 10px; }
label { margin-top: 8px; color: #b9c9c1; font-size: 13px; }

input,
button {
  width: 100%;
  min-height: 50px;
  border-radius: 13px;
  font: inherit;
}

input {
  border: 1px solid rgba(179, 236, 210, .2);
  padding: 0 15px;
  background: #0a1812;
  color: #fff;
}

button {
  margin-top: 8px;
  border: 0;
  padding: 0 18px;
  background: #64dfaa;
  color: #07110d;
  font-weight: 750;
  cursor: pointer;
}

button.secondary { background: #d7eee3; }
button.quiet { background: transparent; color: #91aa9e; border: 1px solid rgba(179, 236, 210, .15); }
button:disabled { opacity: .55; cursor: wait; }

.status { min-height: 24px; margin: 18px 0 0; color: #9fd8bb; line-height: 1.45; }
.status.error { color: #ff9c9c; }
.foot { margin: 22px 0 0; color: #71857b; font-size: 12px; line-height: 1.5; }

@media (max-width: 520px) {
  body { padding: 14px; }
  .card { padding: 28px 22px; border-radius: 20px; }
}