/* Keep Bitrix's channel menu and close control; brand only its launcher. */
.b24-widget-button-wrapper .b24-widget-button-inner-block {
    background: #000 !important;
    box-shadow: 0 4px 18px rgb(0 0 0 / 18%);
}

.b24-widget-button-wrapper .b24-widget-button-inner-mask,
.b24-widget-button-wrapper .b24-widget-button-pulse {
    display: none !important;
}

.b24-widget-button-wrapper .b24-widget-button-inner-item:not(.b24-widget-button-close) .b24-crm-button-icon {
    visibility: hidden;
}

.b24-widget-button-wrapper .b24-widget-button-inner-item:not(.b24-widget-button-close)::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 50px;
    top: calc(50% + 2px);
    left: 50%;
    transform: translate(-50%, -50%);
    background: url('/legacy-site/img/logo.svg') center / contain no-repeat;
    filter: brightness(0) invert(1);
    pointer-events: none;
    transform-origin: 50% 65%;
    animation: gf-chat-crest-nudge 7s ease-in-out infinite;
}

.b24-widget-button-wrapper:hover .b24-widget-button-inner-item::after,
.b24-widget-button-wrapper:focus-within .b24-widget-button-inner-item::after {
    animation: none;
}

@keyframes gf-chat-crest-nudge {
    0%, 78%, 100% { transform: translate(-50%, -50%) rotate(0deg); }
    81%, 89% { transform: translate(-50%, -50%) rotate(-9deg); }
    85%, 93% { transform: translate(-50%, -50%) rotate(9deg); }
    96% { transform: translate(-50%, -50%) rotate(-4deg); }
}

@media (prefers-reduced-motion: reduce) {
    .b24-widget-button-wrapper .b24-widget-button-inner-item::after {
        animation: none;
    }
}