#sfmc-container {
    position: fixed;
    bottom: 26px;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    align-items: center;
    --sfmc-icon-size: 28px;
    --sfmc-button-color: #0bbf63;
    --sfmc-fab-size: 56px;
    --sfmc-grid-gap: 12px;
}

#sfmc-container.right { right: 20px; }
#sfmc-container.left { left: 20px; }

#sfmc-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    max-width: 150px;
    padding: 0;
}

#sfmc-channels-scroll {
    display: grid;
    grid-template-columns: repeat(2, var(--sfmc-fab-size));
    justify-content: center;
    gap: var(--sfmc-grid-gap);
    overflow-x: visible;
    overflow-y: auto;
    max-height: calc((var(--sfmc-fab-size) * 8) + (var(--sfmc-grid-gap) * 7) + 4px);
    width: calc((var(--sfmc-fab-size) * 2) + var(--sfmc-grid-gap) + 8px);
    padding: 2px 4px;
    box-sizing: border-box;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

#sfmc-channels-scroll::-webkit-scrollbar {
    display: none;
}

#sfmc-channels-scroll::-webkit-scrollbar-thumb {
    display: none;
}

#sfmc-reopen,
.sfmc-fab {
    width: var(--sfmc-fab-size);
    height: var(--sfmc-fab-size);
    border-radius: 999px;
    border: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.18);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
}

#sfmc-container .sfmc-fab:not(#sfmc-close) {
    background: var(--sfmc-button-color);
}

#sfmc-reopen:hover,
.sfmc-fab:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 24px rgba(0, 0, 0, 0.2);
}

.sfmc-tooltip {
    position: fixed;
    left: 0;
    top: 0;
    transform: translate(-9999px, -9999px);
    background: #111827;
    color: #ffffff;
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 12px;
    line-height: 1.2;
    white-space: nowrap;
    pointer-events: none;
    z-index: 2147483647;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.25);
    opacity: 0;
    transition: opacity 0.12s ease;
}

.sfmc-tooltip.is-visible {
    opacity: 1;
}

.sfmc-fab img {
    width: var(--sfmc-icon-size);
    height: var(--sfmc-icon-size);
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.sfmc-fallback-icon {
    color: #ffffff;
    font-size: 24px;
    line-height: 1;
    transform: translateY(-1px);
    display: none;
}

.sfmc-fallback-icon.is-visible {
    display: inline-block;
}

.sfmc-icon-img.is-hidden {
    display: none;
}

#sfmc-reopen {
    background: var(--sfmc-button-color);
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    padding: 0;
    line-height: 1;
    width: var(--sfmc-fab-size);
    min-width: var(--sfmc-fab-size);
}

#sfmc-reopen .sfmc-reopen-icon {
    width: var(--sfmc-icon-size);
    height: var(--sfmc-icon-size);
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.sfmc-brand-whatsapp { background: #25d366; }
.sfmc-brand-messenger { background: #1686eb; }
.sfmc-brand-phone { background: #0fd27a; }
.sfmc-brand-default { background: #0bbf63; }

#sfmc-close {
    background: #5c73d2;
    color: #ffffff;
    font-size: 38px;
    line-height: 1;
}

.sfmc-widget-header,
.sfmc-widget-cta,
.sfmc-offline-message {
    background: #ffffff;
    color: #1d2327;
    border-radius: 8px;
    border: 1px solid #dcdcde;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
    padding: 8px 10px;
    margin-bottom: 10px;
    max-width: 260px;
    font-size: 13px;
    line-height: 1.35;
    text-align: center;
}

.sfmc-widget-header {
    font-weight: 600;
}

.sfmc-offline-message {
    color: #b32d2e;
    background: #fff5f5;
}

#sfmc-close span {
    transform: translateY(-3px);
    display: inline-block;
}

#sfmc-container.is-collapsed #sfmc-stack {
    display: none;
}

#sfmc-container:not(.is-collapsed) #sfmc-reopen {
    display: none;
}

@media (max-width: 600px) {
    #sfmc-container.right { right: 14px; }
    #sfmc-container.left { left: 14px; }
    #sfmc-container { bottom: 18px; }
    #sfmc-container {
        --sfmc-fab-size: 52px;
    }

    #sfmc-reopen,
    .sfmc-fab {
        width: var(--sfmc-fab-size);
        height: var(--sfmc-fab-size);
    }

    #sfmc-channels-scroll {
        max-height: calc((var(--sfmc-fab-size) * 8) + (var(--sfmc-grid-gap) * 7) + 4px);
        width: calc((var(--sfmc-fab-size) * 2) + var(--sfmc-grid-gap) + 8px);
        grid-template-columns: repeat(2, var(--sfmc-fab-size));
    }

    #sfmc-reopen {
        min-width: var(--sfmc-fab-size);
        width: var(--sfmc-fab-size);
    }

    .sfmc-fab img {
        width: calc(var(--sfmc-icon-size) - 2px);
        height: calc(var(--sfmc-icon-size) - 2px);
    }
}