body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.input-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}

input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    border: none;
    border-radius: 6px;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

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

.alert.error {
    background-color: #f8d7da;
    color: #721c24;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 6px;
    border: 1px solid #f5c6cb;
}