.alert-popup {
    animation: slideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

@keyframes slideIn {
    from {
        transform: translateX(110%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes loading {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #e2e8f0;
    border-radius: 20px;
}

::-webkit-scrollbar-thumb:hover {
    background: #cbd5e1;
}

.btn-premium {
    background: var(--accent-primary);
    color: #fff !important;
    font-weight: 700;
    letter-spacing: 0.02em;
    transition: all 0.3s ease;
}

.btn-premium:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

.nav-btn {
    color: var(--text-muted);
    transition: all 0.2s ease;
    font-weight: 500;
}

.nav-btn:hover {
    color: var(--text-main);
    background: #f1f5f9;
}