/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #0f172a; 
}
::-webkit-scrollbar-thumb {
    background: #334155; 
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #6d28d9; 
}

/* Animations */
@keyframes fade-in-up {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}
.animate-fade-in-up {
    animation: fade-in-up 0.5s ease-out forwards;
}

.nav-shrink {
    background-color: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px -5px rgba(0, 0, 0, 0.3);
}

/* Accordion Smooth Open */
details > summary { list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details[open] summary ~ * { animation: sweep .3s ease-in-out; }

@keyframes sweep {
    0%    {opacity: 0; transform: translateY(-10px)}
    100%  {opacity: 1; transform: translateY(0)}
}