[data-theme="dark"] {
    --background-color: #1C1C1E;
    --card-background: #2C2C2E;
    --text-color: #FFFFFF;
    --border-color: #3C3C3E;
    --hover-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .upload-area {
    border-color: #3C3C3E;
}

[data-theme="dark"] .upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(0, 122, 255, 0.1);
}

[data-theme="dark"] .batch-item {
    background-color: #3C3C3E;
}

[data-theme="dark"] .action-btn.secondary-btn {
    background-color: #3C3C3E;
    border-color: #4C4C4E;
}

[data-theme="dark"] .action-btn.secondary-btn:hover:not(:disabled) {
    background-color: #4C4C4E;
}