/* --- 4. NAVBAR --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 6%;
    background: rgba(6, 6, 10, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    transition: padding 0.3s;
}

.navbar.scrolled {
    padding: 12px 6%;
}

.logo {
    font-size: 24px;
    font-weight: 900;
    cursor: pointer;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.logo-bg {
    background-color: var(--cyan);
    padding: 9px 18px;
    border-radius: 3px;
    box-shadow: 0 0 22px var(--cyan-glow);
    display: flex;
    justify-content: center;
    align-items: center;
    transform: skewX(-8deg);
    transition: var(--transition);
}

.logo:hover .logo-bg {
    box-shadow: 0 0 40px var(--cyan-glow);
    transform: skewX(-8deg) scale(1.05);
}

.navbar-logo {
    height: 32px;
    width: auto;
    display: block;
    transform: skewX(8deg);
    filter: brightness(0) invert(1);
}

.logo span {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 3px;
    color: var(--text-white);
}

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    padding: 0;
    position: relative;
    z-index: 1002;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    border-radius: 999px;
    background: var(--text-white);
    transition: var(--transition);
}

.nav-toggle span+span {
    margin-top: 6px;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    font-family: var(--font-condensed);
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--cyan);
}

.login-btn {
    background: var(--cyan);
    color: var(--black);
    padding: 8px 20px;
    border-radius: 3px;
    box-shadow: 0 4px 20px var(--cyan-dim);
    font-weight: 900;
}

.nav-links a.login-btn:hover {
    box-shadow: 0 4px 30px var(--cyan-glow);
    color: var(--black);
}

#cart-icon {
    font-size: 17px;
    position: relative;
    cursor: pointer;
}

#cart-count {
    position: absolute;
    top: -8px;
    right: -10px;
    background: var(--cyan);
    color: var(--black);
    font-size: 11px;
    font-weight: 600;
    font-family: var(--font-body);
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.user-menu {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    background: var(--card-bg);
    min-width: 190px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
    border: 1px solid var(--border);
    border-radius: 4px;
    margin-top: 8px;
    z-index: 1001;
    overflow: hidden;
}

.dropdown-content a {
    display: block;
    padding: 12px 18px;
    font-family: var(--font-condensed);
    font-size: 0.82rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-white);
    text-decoration: none;
    transition: background 0.2s;
}

.dropdown-content a:hover {
    background: var(--cyan-dim);
    color: var(--cyan);
}

.user-menu:hover .dropdown-content,
.user-menu:focus-within .dropdown-content,
.user-menu.open .dropdown-content {
    display: block;
}

#logoutBtn {
    color: var(--error);
    border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(320px, 100%);
        height: 100vh;
        padding: 100px 22px 24px;
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
        background: rgba(6, 6, 10, 0.98);
        border-left: 1px solid var(--border);
        box-shadow: -18px 0 40px rgba(0, 0, 0, 0.4);
        transition: right 0.35s ease;
        z-index: 1001;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a,
    .nav-links .login-btn {
        width: 100%;
        padding: 14px 18px;
        border-radius: 6px;
        display: inline-flex;
        justify-content: flex-start;
    }

    .nav-links a {
        font-size: 0.92rem;
    }

    .nav-links a:hover,
    .nav-links a.active,
    .nav-links .login-btn:hover {
        color: var(--cyan);
        background: rgba(0, 200, 230, 0.08);
    }

    .user-menu {
        width: 100%;
    }

    .user-menu .login-btn {
        width: 100%;
    }

    .dropdown-content {
        position: static;
        width: 100%;
        background: rgba(6, 6, 10, 0.96);
        border: none;
        box-shadow: none;
        margin-top: 0;
    }

    .dropdown-content a {
        padding: 14px 18px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }
}