.cm-form{display:flex;align-items:flex-end;gap:8px;padding:12px 16px;border-top:1px solid #eee;background:#fff;border-radius:0 0 16px 16px;flex-shrink:0}
.cm-input{flex:1;border:1.5px solid #d1d5db;border-radius:14px;padding:12px 16px;min-height:48px;max-height:200px;resize:none;outline:none;line-height:1.5;font-size:15px;transition:border-color .2s,box-shadow .2s;overflow-y:auto;font-family:inherit}
.cm-input:focus{border-color:#0066ff;box-shadow:0 0 0 3px rgba(0,102,255,.15)}
.cm-input::placeholder{color:#9ca3af}

.cm-send,.cm-mic{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;flex-shrink:0;transition:transform .15s,opacity .15s;font-size:18px;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}
.cm-send{background:#0066ff;color:#fff}
.cm-send:hover{transform:scale(1.08)}
.cm-send:active{transform:scale(0.94)}
.cm-mic{background:#f3f4f6;color:#667085;border:none}
.cm-mic:hover{background:#e5e7eb}
.cm-mic:active{transform:scale(0.94)}