.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.7);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 16px;
    z-index: 1000;
}

body.iframe-embed .navbar {
    display: none;
}

.navbarLeft,
.navbarRight {
    flex: 1;
    display: flex;
    align-items: center;
}

.navbarLeft {
    justify-content: flex-start;
    gap: 12px;
}

.navbarRight {
    justify-content: flex-end;
    gap: 12px;
}

.navIconButton {
    width: 42px;
    height: 42px;
    border: none;
    background: transparent;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.navIconButton:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.navIconButton img {
    width: 20px;
    height: 20px;
}

.navbar .logo {
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.navbar .logo img,
.desktop-logo img,
.desktop-logo-mark {
    height: 32px;
    width: auto;
}

.desktop-logo {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.icon-right {
    cursor: default;
}

.icon-right:hover {
    background-color: transparent;
}

.desktop-logo-mark {
    display: flex;
    align-items: center;
}

.quiz-back-button {
    visibility: hidden;
}

.desktop-logo:focus-visible,
.navbar .logo:focus-visible,
.navIconButton:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@media (min-width: 1024px) {
    .navbar {
        padding: 12px 24px;
    }

    .navbar .logo,
    .navbarRight .icon-right {
        display: none;
    }

    .desktop-logo img,
    .desktop-logo-mark {
        height: 30px;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 10px 16px;
    }

    .navbarLeft,
    .navbarRight {
        gap: 8px;
    }

    .desktop-logo img,
    .desktop-logo-mark {
        height: 26px;
    }
}