body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
h1 {
    text-align: center;
    color: #333;
}
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
button {
    padding: 10px;
    background-color: #fb3c4e;
    color: white;
    border: none;
    cursor: pointer;
}
button:hover {
    background-color: #fb3c4e;
}
#loading {
    display: none;
    text-align: center;
    font-size: 16px;
    color: #333;
}

#loading::before {
    content: "";
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid #ccc;
    border-top-color: #333;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}