body {
    font-family: Arial, sans-serif; /* Sets the font for the entire page */
    background-color: #f4f4f9;      /* A light grey background */
    color: #333;                   /* A dark grey font color */
    display: flex;                 /* Uses Flexbox for easy centering */
    justify-content: center;       /* Horizontally centers content */
    align-items: center;           /* Vertically centers content */
    height: 100vh;                 /* Makes the body take up the full viewport height */
    margin: 0;                     /* Removes default margin */
}

.container {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); /* Adds a subtle shadow */
    text-align: center;
    max-width: 500px;
    width: 90%;
}

h1 {
    color: #4a4a4a;
    margin-bottom: 1rem;
}

p {
    margin-top: 0;
    margin-bottom: 1.5rem;
}

input[type="file"] {
    display: block;
    margin: 1rem auto;
    border: 2px dashed #ccc; /* Dashed border for a file-drop feel */
    padding: 1rem;
    cursor: pointer;
    background-color: #fafafa;
    border-radius: 5px;
}

button {
    background-color: #007bff;
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease; /* Adds a smooth transition on hover */
}

button:hover {
    background-color: #0056b3;
}

#status {
    margin-top: 1rem;
    font-weight: bold;
}

#downloadLink {
    display: block !important;
    margin-top: 1rem;
    text-decoration: none;
    color: #007bff;
    font-weight: bold;
}


@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05); /* Slightly enlarge */
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.ready-for-download {
    animation: pulse 1s ease-in-out infinite; /* Apply the pulse animation */
    background-color: #e0f7fa; /* A subtle background color */
    padding: 10px;
    border-radius: 5px;
}