/* ==========================================================================
   MetaMedia Downloader PWA - Estilos Personalizados
   ========================================================================== */

@keyframes pulse-slow {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.45;
        transform: scale(1.06);
    }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-pulse-slow {
    animation: pulse-slow 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-fade-in {
    animation: fade-in-up 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Scrollbar estilizado para modo oscuro */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

/* Transiciones suaves para tarjetas e inputs */
.format-item {
    transition: all 0.2s ease;
}

.format-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px -6px rgba(0, 0, 0, 0.45);
}