:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #020617;
  color: #e2e8f0;
}

body {
  margin: 0;
}

.shell {
  max-width: 1040px;
  margin: 0 auto;
  padding: 40px 20px;
}

.hero,
.card {
  border: 1px solid #1e293b;
  border-radius: 22px;
  padding: 26px;
  margin-bottom: 20px;
  background: rgba(15, 23, 42, 0.88);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.hero {
  background: linear-gradient(135deg, #111827, #7c2d12);
}

.eyebrow {
  color: #fdba74;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

label {
  display: grid;
  gap: 8px;
  margin: 12px 0;
  font-weight: 700;
}

input {
  border: 1px solid #334155;
  border-radius: 12px;
  background: #020617;
  color: #e2e8f0;
  padding: 12px;
  font: inherit;
}

button {
  border: 0;
  border-radius: 999px;
  background: #ea580c;
  color: white;
  padding: 12px 18px;
  font-weight: 800;
  cursor: pointer;
}

pre {
  overflow: auto;
  background: #020617;
  color: #bfdbfe;
  border: 1px solid #1e293b;
  border-radius: 14px;
  padding: 16px;
  min-height: 140px;
}