body {
    background: #f4f4f4;
    font-family: Arial, sans-serif;
}

.login-box {
    width: 350px;
    margin: 120px auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border-radius: 6px;
    border: 1px solid #ccc;
}

button {
    width: 100%;
    padding: 12px;
    background: #0275d8;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
}

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