* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.container {
  background: #fff;
  border-radius: 12px;
  padding: 32px 28px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  text-align: center;
}
h1 { margin: 0 0 4px; color: #2575fc; }
.subtitle { color: #666; margin-bottom: 20px; font-size: 14px; }
input, select {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 15px;
}
button {
  width: 100%;
  padding: 12px;
  background: #2575fc;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.2s;
}
button:hover { background: #1a5edb; }
.hidden { display: none; }
.switch-link { margin-top: 16px; font-size: 14px; }
.switch-link a { color: #2575fc; text-decoration: none; }
.message { margin-top: 12px; font-size: 14px; color: #d93025; min-height: 18px; }