* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 800px;
  margin: 50px auto;
  padding: 20px;
}

.form-container {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 30px;
}

h1 {
  text-align: center;
  margin-bottom: 30px;
  color: #333;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

input {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

input:focus {
  outline: none;
  border-color: #4a90e2;
  box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

small {
  display: block;
  margin-top: 5px;
  color: #666;
  font-size: 12px;
}

button {
  width: 100%;
  padding: 12px;
  background: #4a90e2;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background: #3a7bc8;
}

.message {
  margin-top: 20px;
  padding: 15px;
  border-radius: 4px;
  text-align: center;
}

.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}