/* Build 413 — compositor do chat sempre visível e estável, inclusive com teclado móvel. */
.fd409-store-chat-shell{display:flex!important;flex-direction:column!important;min-height:0!important;overflow:hidden!important}
.fd409-store-chat-head{flex:0 0 auto!important}
.fd409-store-chat-messages{flex:1 1 auto!important;min-height:0!important;overflow-y:auto!important;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.fd409-store-chat-feedback{flex:0 0 auto!important}
.fd409-store-chat-form{position:sticky!important;bottom:0!important;z-index:8!important;flex:0 0 auto!important;display:grid!important;grid-template-columns:minmax(0,1fr) auto!important;align-items:end!important;gap:8px!important;background:var(--surface,#fff)!important;border-top:1px solid var(--border,#e5e7eb)!important;padding-bottom:max(10px,env(safe-area-inset-bottom))!important}
.fd409-store-chat-form textarea{box-sizing:border-box!important;width:100%!important;min-width:0!important;height:44px!important;min-height:44px!important;max-height:112px!important;resize:none!important;overflow-y:auto!important;line-height:1.35!important}
.fd409-store-chat-form button[type="submit"]{min-height:44px!important;height:44px!important;flex:0 0 auto!important}
@media(max-width:720px){.fd409-store-chat-dialog[open]{overflow:hidden!important}.fd409-store-chat-shell{height:calc(var(--fd413-chat-vh,100dvh) - 12px)!important;max-height:calc(var(--fd413-chat-vh,100dvh) - 12px)!important}.fd409-store-chat-form{padding-bottom:max(10px,env(safe-area-inset-bottom))!important}}