* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: #f4f7f6;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  display: flex;
  gap: 16px;
}

.card {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
}

h2 {
  margin-bottom: 1.5rem;
  color: #333;
  text-align: center;
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  color: #666;
  font-weight: bold;
}

input {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

input:focus {
  outline: none;
  border-color: #007bff;
}

button {
  width: 100%;
  padding: 1rem;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background-color: #0056b3;
}

.message {
  min-height: 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: #d9534f;
  text-align: center;
}