body {
    font-family: Arial, sans-serif;
    background: #e8f0fe;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container, .dashboard {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    text-align: center;
}

input, button {
    margin: 8px 0;
    padding: 10px;
    width: 80%;
}

button {
    background: #007bff;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

.error {
    color: red;
    font-weight: bold;
}