.hero-body {
    padding: 2rem 1.5rem;
}

.upload-area {
    border: 2px dashed #dbdbdb;
    border-radius: 6px;
    padding: 2rem;
    text-align: center;
    transition: border-color 0.3s, background-color 0.3s;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: #3273dc;
    background-color: #f5f8ff;
}

.upload-area .file-name {
    margin-top: 0.5rem;
}

.error-list {
    max-height: 300px;
    overflow-y: auto;
}

footer.footer {
    padding: 1.5rem;
}