/**
 * YouTube Thumbnail Downloader - Smooth Animations
 * Transitions, fade-ins, loading spinners, and hover interactive micro-animations
 */

@keyframes pd-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pd-spin {
    to { transform: rotate(360deg); }
}

.pd-animate-fade-in {
    animation: pd-fade-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.pd-animate-spin {
    animation: pd-spin 1s linear infinite;
}