/* --- icon button --- */

.icon-btn {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 200;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 50%;
    border: 1px solid var(--panel-border);
    background: var(--bg);
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.icon-btn img {
    display: block;
}

.icon-btn.active {
    border-color: var(--bar-default);
}

.icon-btn:hover,
.icon-btn:focus-visible {
    border-color: var(--teal);
    outline: none;
}

.icon-btn:hover img,
.icon-btn:focus-visible img {
    opacity: 1;
}

#sound-icon {
    pointer-events: none !important;
}

@media (max-width: 860px) {
    .icon-btn {
        position: absolute;
    }
}