#lsai-chat { max-width: 420px; font-family: sans-serif; margin: 20px auto; border-radius: 8px; box-shadow: 0 0 8px #0057b7; overflow: hidden; }
.lsai-header { background: #0057b7; color: white; padding: 10px; font-weight: bold; display: flex; justify-content: space-between; }
.lsai-body { background: #f0f8ff; padding: 10px; }
#lsai-messages { height: 200px; overflow-y: scroll; background: white; padding: 8px; border: 1px solid #ccc; margin-bottom: 10px; }
.lsai-input { display: flex; gap: 5px; }
.lsai-input input { flex: 1; padding: 6px; }
.lsai-input button { background: #0057b7; color: white; border: none; padding: 6px 12px; }