#tshirt-upload-section, #tshirt-size-section {
    width: 100%;
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 1px 5px rgba(0,0,0,0.08);
    margin-bottom: 25px;
}

#tshirt-upload-section input[type="file"],
#tshirt-size-section select,
#tshirt-size-section input[type="number"] {
    width: 100%;
    max-width: 250px;
    margin-top: 10px;
    margin-bottom: 15px;
    padding: 10px;
    font-size: 15px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

#preview_image {
    margin-top: 15px;
    max-width: 100%;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 5px;
    background: #f9f9f9;
    position: relative;
    cursor: move;
}

#price_output {
    font-weight: bold;
    font-size: 16px;
    margin-top: 10px;
}

#custom-size-wrapper {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

#custom-size-wrapper div {
    flex: 1;
    min-width: 120px;
}