body {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 20px;
    background-color: #f4f4f4;
    /* Fix for footer overlap */
    position: relative;
    min-height: 100vh;
    box-sizing: border-box;
    padding-bottom: 80px; /* Adjusted padding for footer space */
}

.logo {
    margin: 20px auto;
    display: block;
    width: 150px;
}

.description {
    font-size: 18px;
    font-weight: bold;
    color: #222;
    text-shadow: 3px 3px 5px rgba(0, 0, 0, 0.3);
    background: white;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.2);
    display: inline-block;
    margin-bottom: 20px;
}

h2 {
    color: white;
    background: #222;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
}

input {
    width: 80%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    padding: 12px 20px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    transition: 0.3s;
    position: relative;
}

button:hover {
    background-color: #218838;
    box-shadow: 3px 3px 15px rgba(0, 0, 0, 0.3);
}

/* লোডিং স্পিনার */
.loading {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid #0044ff;
    border-top: 3px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: absolute;
    top: 50%;
    right: -30px;
    transform: translateY(-50%);
}

@keyframes spin {
    0% {
        transform: translateY(-50%) rotate(0deg);
    }
    100% {
        transform: translateY(-50%) rotate(360deg);
    }
}

#downloadSection {
    display: none;
    margin-top: 20px;
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
}

#downloadButton {
    display: none;
    padding: 12px 20px;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    border-radius: 5px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    transition: 0.3s;
}

#downloadButton:hover {
    background-color: #0056b3;
    box-shadow: 3px 3px 15px rgba(0, 0, 0, 0.3);
}

.info {
    font-size: 16px;
    margin: 5px 0;
    font-weight: bold;
    color: #555;
}

footer {
    /* Fixed footer modifications */
    position: absolute;
    bottom: 0;
    left: 0;
    margin-top: 0; /* Remove original top margin */
    /* Original styles preserved below */
    padding: 10px;
    background: #222;
    color: white;
    text-align: center;
    font-size: 14px;
    width: 100%;
}