body {
  font-family: Arial, sans-serif;
  background: #f5f7fa;
  padding: 40px;
}

h1 { margin-bottom: 6px; }

.card {
  background: white;
  padding: 20px;
  max-width: 520px;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
}

input, select, button {
  width: 100%;
  padding: 8px;
  margin-top: 6px;
}

button {
  margin-top: 20px;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.status {
  margin-top: 12px;
  font-size: 13px;
}

.success { color: green; }
.error { color: red; }