:root {
  --brand-primary: #7f496c;
  --ink: #1a1a2e;
  --muted: #6b7280;
  --border: #d1d5db;
  --bg: #f0f4f8;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

.wrap {
  max-width: 480px;
  margin: 40px auto;
  padding: 0 16px;
}

.card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
}

.header {
  background: linear-gradient(135deg, #ca355f 0%, var(--brand-primary) 100%);
  color: #fff;
  padding: 24px;
}

.header h1 { margin: 0 0 4px; font-size: 20px; }
.header p { margin: 0; opacity: .85; font-size: 13px; }

.panel { padding: 24px; }

label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: #374151;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin: 14px 0 6px;
}

input[type="text"], input[type="email"] {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  border: 1.8px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.row > div { min-width: 0; }

h3 { margin: 20px 0 4px; font-size: 15px; }

.hint {
  font-size: 12.5px;
  color: var(--muted);
  margin: 4px 0 0;
}

button {
  width: 100%;
  margin-top: 22px;
  padding: 14px;
  border: 0;
  border-radius: 10px;
  background: #121533;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
}

pre {
  background: #f9fafb;
  border-radius: 8px;
  padding: 12px;
  font-size: 12px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

a { color: var(--brand-primary); font-weight: 600; text-decoration: none; }