@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    .main-content {
        grid-template-columns: 1fr;
    }
    .server-panel {
        max-width: none;
    }
    .profile-card {
        flex-direction: column;
        text-align: center;
        padding: 28px 20px;
    }
    .profile-nickname {
        font-size: 26px;
    }
}