:root {
  color-scheme: light dark;
  --bg: #0b1020;
  --panel: #121933;
  --text: #eef2ff;
  --muted: #9aa7cb;
  --accent: #6ee7ff;
  --danger: #ff7b7b;
  --border: rgba(255, 255, 255, 0.12);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(110, 231, 255, 0.12), transparent 40%),
    var(--bg);
  color: var(--text);
}

.shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.hero h1 {
  margin: 0.25rem 0 0.75rem;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--accent);
  margin: 0;
}

.lede,
.hint,
.consent-copy {
  color: var(--muted);
  line-height: 1.5;
}

.panel {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: color-mix(in srgb, var(--panel) 92%, black);
}

.hidden {
  display: none;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

input {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.field {
  margin-bottom: 1rem;
}

.element-mount {
  min-height: 44px;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
}

.primary {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.85rem 1rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #6ee7ff, #7c5cff);
  color: #08111f;
  font-weight: 700;
  cursor: pointer;
}

.status {
  min-height: 1.25rem;
  margin-top: 1rem;
  color: var(--muted);
}

.status.error {
  color: var(--danger);
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}