/* --- Contenitore Principale --- */
#chat-wrapper-column {width: 40% !important; max-width: 1200px !important; margin: 0 auto !important;}

/* --- Finestra Chat (Borderless) --- */
.borderless-chat {border: none !important; box-shadow: none !important; background: none !important;}
.borderless-chat .message.bot {border: none !important; box-shadow: none !important;}

/* --- Scrollbar --- */
.borderless-chat ::-webkit-scrollbar-button { display: none; }
.borderless-chat ::-webkit-scrollbar-track { background: #1f2937; border-radius: 4px; }
.borderless-chat ::-webkit-scrollbar-thumb { background: #4b5563; border-radius: 4px; }
.borderless-chat ::-webkit-scrollbar-thumb:hover { background: #6b7280; }
.borderless-chat ::-webkit-scrollbar, #chat-wrapper-column textarea::-webkit-scrollbar { display: none; }
.borderless-chat, #chat-wrapper-column textarea {
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge (vecchio) */
}
#chat-wrapper-column textarea::-webkit-scrollbar-button { display: none; }
#chat-wrapper-column textarea::-webkit-scrollbar-track { background: #1f2937; border-radius: 4px; }
#chat-wrapper-column textarea::-webkit-scrollbar-thumb { background: #4b5563; border-radius: 4px; }
#chat-wrapper-column textarea::-webkit-scrollbar-thumb:hover { background: #6b7280; }

/* Rimuove i bordi dal gr.Group usato da ChatInterface per la textbox */
#chat-wrapper-column .gr-group {
    border: none !important;
    box-shadow: none !important;
    background: none !important;
}

/* La SOLUZIONE per il separatore dei dropdown */
#dropdown-row > div {
    border: none !important;
    box-shadow: none !important;
}

/* Stile "Pillola" per la Textbox interna (figlia del gr.Group di ChatInterface) */
#chat-wrapper-column .gr-group textarea {
    border: none !important;
    box-shadow: none !important;
    min-height: 56px !important;
    padding: 18px 24px !important;
}