:root {
  --primary: #7b6fa6;
  --primary-hover: #5b5490;
  --ink: #1f2028;
  --muted: #5c5f6b;
  --border: #e4e1ec;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f7f6fb;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  color: var(--ink);
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px 32px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(31, 32, 40, 0.06);
}

.logo {
  margin-bottom: 24px;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 16px;
}

.subtitle {
  color: var(--muted);
  line-height: 1.5;
  margin: 0 0 32px;
}

.form {
  display: flex;
  gap: 8px;
}

.form input[type="email"] {
  flex: 1;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 1rem;
  font-family: inherit;
  outline: none;
}

.form input[type="email"]:focus {
  border-color: var(--primary);
}

.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form button {
  padding: 14px 24px;
  border: none;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  font-family: inherit;
  cursor: pointer;
}

.form button:hover {
  background: var(--primary-hover);
}

.form button:disabled {
  opacity: 0.6;
  cursor: default;
}

.message {
  margin: 16px 0 0;
  min-height: 1.2em;
  font-size: 0.9rem;
}

.message.success {
  color: #2f7a4d;
}

.message.error {
  color: #c0392b;
}