.nav-brand-link,
.nav-auth-section {
    flex-shrink: 0;
}

.nav-auth-section {
    min-width: 220px;
    opacity: 1;
}

.nav-auth-login {
    display: block;
}

.nav-auth-hidden {
    display: none !important;
}

.nav-login-btn {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
    border-radius: 0.75rem;
}

.nav-user-icon {
    font-size: 1.1rem;
}

.nav-username {
    max-width: 120px;
    color: var(--text-main);
    font-size: 0.85rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-logout-btn {
    padding: 0.4rem 0.85rem;
    border-radius: 0.6rem;
    font-size: 0.75rem;
    white-space: nowrap;
}

.nav-admin-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    border-radius: 0.65rem;
    color: var(--brand-primary);
    font-size: 0.75rem;
    font-weight: 800;
    white-space: nowrap;
}

.navbar-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    width: 100%;
}

@media (min-width: 992px) {
    .navbar-inner {
        flex-wrap: nowrap;
    }

    #navbarNav {
        display: flex !important;
        align-items: center;
        flex: 1 1 auto;
        min-width: 0;
    }

    #navbarNav .navbar-nav {
        flex: 1 1 auto;
        justify-content: center;
        margin: 0 !important;
        gap: 0.25rem;
    }

    #auth-section {
        width: 220px;
        min-width: 220px;
        justify-content: flex-end;
    }

    #auth-section #login-button,
    #auth-section #user-info {
        width: 100%;
        justify-content: flex-end;
    }
}

.navbar-toggler-custom {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    margin-left: auto;
    padding: 6px;
    flex-shrink: 0;
    border: none;
    border-radius: 0.5rem;
    background: transparent;
    cursor: pointer;
    transition: background 0.2s;
}

.navbar-toggler-custom:hover {
    background: var(--bg-sub);
}

.toggler-bar {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--text-main);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toggler-bar:nth-child(1) { width: 100%; }
.toggler-bar:nth-child(2) { width: 75%; margin-left: auto; }
.toggler-bar:nth-child(3) { width: 50%; margin-left: auto; }

.navbar-toggler-custom[aria-expanded="true"] .toggler-bar:nth-child(1) {
    width: 100%;
    transform: translateY(7px) rotate(45deg);
}

.navbar-toggler-custom[aria-expanded="true"] .toggler-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.navbar-toggler-custom[aria-expanded="true"] .toggler-bar:nth-child(3) {
    width: 100%;
    margin-left: 0;
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-panel {
    display: none;
}

@media (max-width: 991.98px) {
    #navbarNav .navbar-nav {
        display: none !important;
    }

    .mobile-menu-panel {
        display: block;
        width: 100%;
        padding: 0.5rem 0 0.75rem;
    }

    #navbarNav {
        width: 100%;
        border-top: 1px solid var(--border-color);
        background: var(--glass-bg);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.07);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
    }

    .mobile-nav-list {
        margin: 0;
        padding: 0.5rem 0.5rem 0;
        list-style: none;
    }

    .mobile-nav-link {
        display: flex;
        align-items: center;
        gap: 0.85rem;
        position: relative;
        margin-bottom: 2px;
        padding: 0.75rem 0.85rem;
        border-radius: 1rem;
        color: var(--text-main);
        font-size: 0.95rem;
        font-weight: 600;
        text-decoration: none;
        transition: background 0.15s, color 0.15s;
    }

    .mobile-nav-link:hover {
        background: var(--bg-sub);
        color: var(--text-main);
    }

    .mobile-nav-link.active {
        background: rgba(88, 101, 242, 0.08);
        color: var(--brand-primary);
    }

    .mobile-nav-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        flex-shrink: 0;
        border-radius: 0.6rem;
        background: var(--bg-sub);
        color: var(--text-sub);
        font-size: 0.85rem;
        transition: background 0.15s, color 0.15s;
    }

    .mobile-nav-link.active .mobile-nav-icon {
        background: rgba(88, 101, 242, 0.12);
        color: var(--brand-primary);
    }

    .mobile-nav-arrow {
        margin-left: auto;
        color: var(--text-muted);
        font-size: 0.65rem;
        opacity: 0.5;
    }

    .mobile-auth-area {
        margin: 0.5rem 0.5rem 0;
        padding-top: 0.75rem;
        border-top: 1px solid var(--border-color);
    }

    .mobile-login-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.6rem;
        width: 100%;
        padding: 0.8rem 1rem;
        border-radius: 0.85rem;
        background: var(--brand-primary);
        color: #fff !important;
        font-size: 0.9rem;
        font-weight: 700;
        text-decoration: none;
        transition: opacity 0.2s, transform 0.2s;
    }

    .mobile-login-btn:hover {
        opacity: 0.9;
        transform: translateY(-1px);
    }

    .mobile-user-row {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: 0.55rem;
        padding: 0.5rem 0.25rem;
    }

    .mobile-user-info {
        display: flex;
        align-items: center;
        gap: 0.6rem;
    }

    .mobile-user-avatar {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: rgba(88, 101, 242, 0.1);
        color: var(--brand-primary);
        font-size: 1.1rem;
    }

    .mobile-username {
        display: block;
        max-width: 110px;
        color: var(--text-main);
        font-size: 0.9rem;
        font-weight: 700;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mobile-admin-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.35rem;
        flex-shrink: 0;
        margin-left: auto;
        padding: 0.45rem 0.75rem;
        border: 1px solid rgba(88, 101, 242, 0.22);
        border-radius: 0.65rem;
        background: rgba(88, 101, 242, 0.08);
        color: var(--brand-primary);
        font-size: 0.78rem;
        font-weight: 800;
        text-decoration: none;
    }

    .mobile-logout-btn {
        display: flex;
        align-items: center;
        gap: 0.4rem;
        flex-shrink: 0;
        padding: 0.45rem 0.9rem;
        border: 1px solid var(--border-color);
        border-radius: 0.6rem;
        background: var(--bg-sub);
        color: var(--text-sub);
        font-size: 0.8rem;
        font-weight: 600;
        white-space: nowrap;
        cursor: pointer;
        transition: all 0.2s;
    }

    .mobile-logout-btn:hover {
        background: var(--border-color);
        color: var(--text-main);
    }
}