.dropzone-container {
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    padding: 45px 20px;
    text-align: center;
    background-color: #f8fafc;
    cursor: pointer;
    transition: all 0.2s ease;
}
.dropzone-container:hover, .dropzone-container.dragover {
    border-color: #3b82f6 !important;
    background-color: #eff6ff !important;
}
.dropzone-icon {
    font-size: 40px;
    margin-bottom: 12px;
    display: inline-block;
}
.page-list-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 16px;
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    min-height: 120px;
}
.page-item-card {
    position: relative;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background-color: #ffffff;
    padding: 8px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.page-item-card canvas {
    max-width: 100%;
    border-radius: 4px;
    border: 1px solid #cbd5e1;
    margin-bottom: 8px;
}
.page-item-card .download-btn {
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
    width: 100%;
}