#preview {
    display: block;
    max-width: 100%;     /* Image won't exceed container width */
    max-height: 350px;   /* Limit height so it doesn’t overflow */
    margin: 20px auto;   /* Center with spacing */
    border-radius: 10px; /* Rounded edges */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15); /* Soft shadow */
    object-fit: contain; /* Keep aspect ratio without cropping */
}

#progress-container{
    margin-bottom: 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #ddd;
    margin-top: 10px;
    border-radius: 4px;
    overflow: hidden;
}
.progress {
    width: 0%;
    height: 100%;
    background: #4caf50;
    transition: width 0.3s ease;
}