:root {
  color-scheme: dark;
  font-family: Inter, "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  background: #0d0f12;
  color: #f5f7fa;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 18% 15%, rgba(255, 119, 56, 0.14), transparent 32rem),
    radial-gradient(circle at 85% 85%, rgba(92, 111, 255, 0.1), transparent 28rem),
    #0d0f12;
}

.shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(100%, 480px);
  padding: 42px;
  border: 1px solid #2a2e35;
  border-radius: 20px;
  background: rgba(22, 25, 30, 0.96);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ff9a57, #ff6438);
  color: #1a0b05;
  font-size: 26px;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 10px;
  color: #ff8a4f;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 7vw, 38px);
  letter-spacing: -0.035em;
  line-height: 1.18;
}

.description {
  margin: 20px 0 0;
  color: #c7cbd2;
  font-size: 16px;
  line-height: 1.75;
}

.notice {
  margin: 24px 0;
  padding: 14px 16px;
  border-left: 3px solid #ff7a45;
  border-radius: 8px;
  background: #21242a;
  color: #dfe2e7;
  font-size: 14px;
  line-height: 1.65;
}

button {
  width: 100%;
  min-height: 48px;
  border-radius: 10px;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.primary {
  border: 0;
  background: #ff7a45;
  color: #180b06;
}

.primary:hover:not(:disabled) {
  background: #ff8f61;
}

.secondary {
  margin-top: 12px;
  border: 1px solid #3a3f48;
  background: transparent;
  color: #f5f7fa;
}

.status {
  min-height: 24px;
  margin: 18px 0 0;
  color: #aeb4bd;
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}

.status.success {
  color: #64d899;
}

.status.error {
  color: #ff8e8e;
}

.hidden {
  display: none;
}

@media (max-width: 520px) {
  .shell {
    padding: 14px;
  }

  .card {
    padding: 30px 24px;
    border-radius: 16px;
  }
}