#chat-activity {
    min-height: 24px;
    padding: 2px 16px;
    font-size: 13px;
    color: #466557;
    flex-shrink: 0;
}
#chat-activity.chat-send-error { color: #a13b26; }
#chat-activity.chat-is-typing::after {
    content: ' ● ● ●';
    animation: chat-typing-pulse 1s ease-in-out infinite;
}
@keyframes chat-typing-pulse { 50% { opacity: 0.35; } }
@media (prefers-reduced-motion: reduce) {
    #chat-activity.chat-is-typing::after { animation: none; }
}
.chat .bubble { white-space: pre-wrap; overflow-wrap: anywhere; }
.chat .bubble small { display: block; }
.chat-composer button { min-width: 44px; }

/* Les longs aperçus restent dans leur colonne. */
.conversation-list {
    overflow-x: hidden;
}
.conversation-item > div {
    min-width: 0;
    flex: 1;
}
.conversation-item strong,
.conversation-item p {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
#chat-activity {
    overflow-wrap: anywhere;
}