.min-w-0 { min-width: 0; }

.chat-selo {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    background-color: var(--cn-primaria);
    color: var(--cn-acento);
}

.chat-app {
    display: grid;
    grid-template-columns: 1fr;
    height: calc(100dvh - 12rem);
    min-height: 30rem;
    overflow: hidden;
}

.chat-lista,
.chat-painel {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.chat-painel {
    display: none;
    background-color: var(--cn-fundo);
}

.chat-app.em-conversa .chat-lista { display: none; }
.chat-app.em-conversa .chat-painel { display: flex; }

@media (min-width: 768px) {
    .chat-app { grid-template-columns: 20rem 1fr; }
    .chat-app .chat-lista,
    .chat-app.em-conversa .chat-lista { display: flex; }
    .chat-app .chat-painel { display: flex; }
    .chat-lista { border-right: 1px solid var(--bs-border-color); }
}

@media (min-width: 1200px) {
    .chat-app { grid-template-columns: 23rem 1fr; }
}

.chat-topo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--bs-border-color);
    background-color: var(--bs-body-bg);
}

.chat-painel .chat-topo { background-color: #fff; }

.chat-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    background-color: var(--cn-primaria);
    color: #fff;
}

.chat-lista-itens {
    flex: 1 1 auto;
    overflow-y: auto;
}

.chat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-block: 0.8rem;
    border-inline: 0;
    text-align: left;
}

.chat-item.active {
    background-color: rgba(31, 58, 95, 0.08);
    color: var(--cn-texto);
    border-color: var(--bs-border-color);
}

.chat-item-previa {
    font-size: 0.875rem;
    color: var(--bs-secondary-color);
}

.chat-nao-lidas {
    background-color: var(--cn-acento);
    color: var(--cn-texto);
    min-width: 1.35rem;
}

.chat-painel-vazio {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    max-width: 32rem;
    margin-inline: auto;
}

.chat-conversa {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
}

.chat-mensagens {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.chat-mensagens:focus-visible { outline: 2px solid var(--cn-primaria); outline-offset: -2px; }

.chat-aviso-e2e {
    align-self: center;
    max-width: 26rem;
    text-align: center;
    font-size: 0.8rem;
    line-height: 1.45;
    padding: 0.45rem 0.8rem;
    border-radius: 0.6rem;
    background-color: rgba(224, 165, 38, 0.18);
    color: var(--cn-texto);
    margin-bottom: 0.5rem;
}

.chat-data {
    align-self: center;
    font-size: 0.75rem;
    padding: 0.2rem 0.75rem;
    margin-block: 0.6rem 0.2rem;
    border-radius: 999px;
    background-color: #fff;
    color: var(--bs-secondary-color);
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
}

.chat-balao {
    max-width: min(80%, 36rem);
    padding: 0.45rem 0.7rem 0.3rem;
    border-radius: 0.9rem;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.08);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    line-height: 1.45;
}

.chat-balao.minha {
    align-self: flex-end;
    background-color: var(--cn-primaria);
    color: #fff;
    border-bottom-right-radius: 0.25rem;
}

.chat-balao.dele {
    align-self: flex-start;
    background-color: #fff;
    color: var(--cn-texto);
    border-bottom-left-radius: 0.25rem;
}

.chat-balao.pendente { opacity: 0.7; }

.chat-meta {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.7rem;
    opacity: 0.8;
    margin-top: 0.1rem;
    white-space: nowrap;
}

.chat-balao.minha .chat-lida { color: var(--cn-acento); opacity: 1; }

.chat-entrada {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    padding: 0.75rem;
    border-top: 1px solid var(--bs-border-color);
    background-color: #fff;
}

.chat-entrada textarea {
    resize: none;
    max-height: 8rem;
    border-radius: 1.25rem;
    padding-inline: 1rem;
    background-color: var(--cn-fundo);
}

.chat-btn-enviar {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.chat-avatar-grupo { background-color: var(--cn-acento); color: var(--cn-primaria); font-size: 1.1rem; }
.chat-avatar-lg { width: 4rem; height: 4rem; font-size: 1.4rem; }

.chat-cabecalho-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-grow: 1;
    min-width: 0;
    padding: 0.25rem;
    border: 0;
    border-radius: 0.5rem;
    background: transparent;
    color: inherit;
}
.chat-cabecalho-btn:hover { background-color: var(--cn-fundo); }
.chat-cabecalho-btn:focus-visible { outline: 2px solid var(--cn-primaria); outline-offset: 2px; }

.chat-sistema {
    align-self: center;
    max-width: 90%;
    text-align: center;
    font-size: 0.78rem;
    padding: 0.25rem 0.8rem;
    margin-block: 0.3rem;
    border-radius: 0.6rem;
    background-color: #FFF6DF;
    color: var(--cn-texto);
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
}

.chat-autor {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--cn-primaria);
    margin-bottom: 0.1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-chip {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    background-color: var(--cn-primaria);
    color: #fff;
    padding: 0.2rem 0.4rem 0.2rem 0.75rem;
}
.chat-chip:hover, .chat-chip:focus-visible { background-color: var(--cn-primaria-escura); color: #fff; }