.error-container {
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    animation: slideUp 0.5s ease-out;
    margin: 3rem auto;
}
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.icon-wrapper {
    width: 100px;
    height: 100px;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.icon-wrapper i {
    font-size: 3rem;
    color: var(--primary-color) !important;
}

@media (max-width: 576px) {
    .error-container {
        padding: 2rem;
    }
    
    .btn-group-custom {
        flex-direction: column;
        width: 100%;
    }
}

.dark-mode .second-btn {
    color: #fff;
}