/* Shared index-style navigation for public pages */
:root {
    --site-nav-blue: #3b82f6;
    --site-nav-blue-soft: rgba(59, 130, 246, 0.1);
    --site-nav-bg: rgba(10, 12, 16, 0.5);
    --site-nav-border: rgba(255, 255, 255, 0.05);
    --site-nav-border-strong: rgba(255, 255, 255, 0.1);
    --site-nav-text: rgba(255, 255, 255, 0.6);
    --site-nav-text-strong: #fff;
}

.feed-topbar,
.hub-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    margin-bottom: 12px;
    border-radius: 18px;
    background: var(--site-nav-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--site-nav-border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.feed-brand,
.hub-brand {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    color: var(--site-nav-text-strong);
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: -1px;
    white-space: nowrap;
}

.feed-brand .accent,
.hub-brand .accent {
    color: var(--site-nav-blue);
}

.feed-topbar-links,
.hub-topbar-links,
.feed-topbar-actions,
.hub-topbar-actions {
    display: flex;
    align-items: center;
}

.feed-topbar-links,
.hub-topbar-links {
    justify-content: center;
    gap: 10px;
    flex: 1;
    flex-wrap: wrap;
}

.feed-topbar-actions,
.hub-topbar-actions {
    justify-content: flex-end;
    margin-left: auto;
}

.feed-link,
.hub-link,
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--site-nav-text);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 800;
    padding: 10px 22px;
    border-radius: 100px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-family: 'Nunito', sans-serif;
    white-space: nowrap;
}

.feed-link:hover,
.hub-link:hover,
.nav-link:hover {
    color: var(--site-nav-text-strong);
    background: rgba(255, 255, 255, 0.08);
}

.feed-link.active,
.hub-link.active,
.nav-link.active {
    color: var(--site-nav-blue);
    background: var(--site-nav-blue-soft);
}

.feed-topbar .nav-login-btn,
.hub-topbar .nav-login-btn {
    background:
        linear-gradient(135deg, rgba(59, 130, 246, 0.22), rgba(14, 165, 233, 0.14)),
        rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(59, 130, 246, 0.35);
    color: #fff;
    padding: 11px 22px;
    border-radius: 999px;
    font-weight: 800;
    font-size: 0.86rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: 'Nunito', sans-serif;
    letter-spacing: 0.8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 10px 28px rgba(59, 130, 246, 0.12);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    text-decoration: none;
}

.feed-topbar .nav-login-btn::before,
.hub-topbar .nav-login-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.12) 50%, transparent 100%);
    transform: translateX(-120%);
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.feed-topbar .nav-login-btn i,
.feed-topbar .nav-login-btn span,
.hub-topbar .nav-login-btn i,
.hub-topbar .nav-login-btn span {
    position: relative;
    z-index: 1;
}

.feed-topbar .nav-login-btn i,
.hub-topbar .nav-login-btn i {
    font-size: 1rem;
}

.feed-topbar .nav-login-btn:hover,
.hub-topbar .nav-login-btn:hover {
    background:
        linear-gradient(135deg, rgba(59, 130, 246, 0.35), rgba(14, 165, 233, 0.24)),
        rgba(255, 255, 255, 0.07);
    color: #fff;
    border-color: rgba(96, 165, 250, 0.7);
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(59, 130, 246, 0.24);
}

.feed-topbar .nav-login-btn:hover::before,
.hub-topbar .nav-login-btn:hover::before {
    transform: translateX(120%);
}

@media (max-width: 1100px) {
    .feed-link,
    .hub-link,
    .nav-link {
        padding: 9px 18px;
        font-size: 0.8rem;
    }

    .feed-topbar .nav-login-btn,
    .hub-topbar .nav-login-btn {
        padding: 10px 18px;
        font-size: 0.8rem;
    }
}

@media (max-width: 960px) {
    .feed-topbar,
    .hub-topbar {
        flex-wrap: wrap;
        gap: 10px;
    }

    .feed-topbar-links,
    .hub-topbar-links {
        width: 100%;
        justify-content: flex-start;
        order: 3;
    }

    .feed-topbar-actions,
    .hub-topbar-actions {
        margin-left: auto;
    }
}

@media (max-width: 640px) {
    .feed-brand,
    .hub-brand {
        font-size: 1.35rem;
    }

    .feed-link,
    .hub-link,
    .nav-link {
        padding: 8px 14px;
        font-size: 0.72rem;
    }
}