body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 300px;
    text-align: center;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    border: 1px solid #ccc;
    border-radius: 20px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 12px;
    background: #007BFF;
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background: #0056b3;
}

.error {
    color: red;
    margin-top: 10px;
}