.wplc-box{position:relative;max-width:420px;border:1px solid #ddd;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,0.05)}
.wplc-header{background:#2271b1;color:#fff;padding:10px 12px;font-weight:600}
.wplc-body{background:#fafafa;height:320px;overflow:auto}
.wplc-messages{padding:10px}
.wplc-msg{margin:8px 0;padding:8px;border-radius:6px;max-width:80%}
.wplc-msg.user{background:#e0f2ff;border:1px solid #b6e0fe}
.wplc-msg.admin{background:#e6ffe6;border:1px solid #c4f0c4;margin-left:auto}
.wplc-meta{font-size:11px;color:#555;margin-top:2px}
.wplc-input{display:flex;gap:6px;border-top:1px solid #eee;padding:8px;background:#fff;flex-direction:column}
.wplc-input textarea{width:100%}
.wplc-input button{align-self:flex-end;background:#2271b1;color:#fff;border:none;padding:6px 12px;border-radius:4px;cursor:pointer}
.wplc-input button:hover{background:#1b5e91}