:root {
    --app-mobile-fab-size: 3.75rem;
}

.messenger-launcher-root {
    position: fixed;
    z-index: 99990;
    font-family: Inter, system-ui, sans-serif;
}

.messenger-launcher-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--msgr-launcher-size, var(--app-mobile-fab-size, 3.75rem));
    height: var(--msgr-launcher-size, var(--app-mobile-fab-size, 3.75rem));
    border: none;
    border-radius: 9999px;
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(2, 132, 199, 0.35);
    position: relative;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.messenger-launcher-btn:hover,
.messenger-launcher-btn:focus-visible {
    transform: scale(1.05);
}

.messenger-launcher-btn:active {
    transform: scale(0.98);
}

.messenger-launcher-btn__icon {
    display: block;
    width: var(--msgr-launcher-icon-size, 1.5rem);
    height: var(--msgr-launcher-icon-size, 1.5rem);
}

.messenger-launcher-badge {
    position: absolute;
    top: -0.125rem;
    right: -0.125rem;
    min-width: 1.125rem;
    height: 1.125rem;
    padding: 0 0.25rem;
    border-radius: 999px;
    background: #ef4444;
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 700;
    display: none;
    align-items: center;
    justify-content: center;
}

.messenger-launcher-badge.is-visible {
    display: inline-flex;
}

.messenger-launcher-panel {
    position: absolute;
    bottom: calc(100% + 0.75rem);
    width: min(24rem, calc(100vw - 2rem));
    height: min(36rem, var(--msgr-panel-max-height, calc(100vh - 9rem)));
    max-height: var(--msgr-panel-max-height, calc(100vh - 9rem));
    border-radius: 1rem;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.22);
    border: 1px solid #e2e8f0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.5rem) scale(0.98);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
}

.messenger-launcher-root.is-side-right .messenger-launcher-panel {
    right: 0;
    left: auto;
}

.messenger-launcher-root.is-side-left .messenger-launcher-panel {
    left: 0;
    right: auto;
}

.messenger-launcher-panel.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.messenger-launcher-panel iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

@media (max-width: 1099px) {
    body:has(.upd-tool--mobile-dock) .messenger-launcher-root,
    body:has(.finance-mobile-dock) .messenger-launcher-root {
        --msgr-launcher-size: var(--app-mobile-fab-size, 3.75rem);
    }
}

@media (max-width: 640px) {
    .messenger-launcher-panel {
        position: fixed;
        inset: 0.75rem;
        width: auto;
        height: auto;
        left: 0.75rem !important;
        right: 0.75rem !important;
    }
}