.header {
    background: rgba(5, 1, 15, 0.95);
    border-bottom: 3px double var(--blue);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    flex-wrap: wrap;
}


.nav-brand {
    font-family: var(--font-pixel);
    font-size: 40px;
    color: var(--white);
    text-shadow: 0 0 18px rgba(168, 85, 247, 0.5);
    letter-spacing: 3px;
    position: relative;
}

.nav-brand::after {
    content: '_';
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 49%, 100% { color: var(--white); text-shadow: 0 0 18px rgba(168, 85, 247, 0.5); }
    50%, 99% { color: transparent; text-shadow: 0 0 0 transparent; }
}

.nav-brand:hover {
    color: var(--pink);
    text-shadow: 0 0 18px rgba(168, 85, 247, 0.6);
}


.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--white);
    padding: 8px 15px;
    border: 1px solid rgba(99, 102, 241, 0.45);
    background: rgba(5, 1, 15, 0.9);
    text-transform: lowercase;
    letter-spacing: 1px;
    text-shadow: 0 0 8px rgba(76, 29, 149, 0.35);
    display: block;
}

.nav-link:hover {
    color: var(--pink);
    border-color: var(--red);
}

.nav-link.active {
    background: var(--dark-blue);
    border-color: var(--blue);
    color: var(--white);
}



.nav-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 10px;
    background: rgba(5, 1, 15, 0.9);
    border: 1px solid var(--red);
    position: relative;
}

.nav-user-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-user .user-avatar {
    width: 35px;
    height: 35px;
    min-width: 35px;
    font-size: 16px;
}

.nav-username {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--white);
    text-shadow: 0 0 10px rgba(124, 58, 237, 0.45);
}

.nav-user .badge {
    margin-left: 5px;
}



@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-brand {
        text-align: center;
        font-size: 32px;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
    }

    .nav-link {
        width: 100%;
        text-align: center;
    }
}