body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

h1 {
    color: #4CAF50;
    font-size: 2rem;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
}

input {
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
}

button {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 12px;
    cursor: pointer;
    border-radius: 5px;
    font-size: 1rem;
    transition: background 0.3s ease;
}

button:hover {
    background: #45a049;
}

p {
    color: red;
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    .container {
        width: 90%;
    }
}