/* BTM Livechat - all styles strictly prefixed to avoid conflicts */
.btm-chat-btn{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;
  background:#4f46e5;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 25px rgba(0,0,0,.15);cursor:pointer;z-index:999999;border:none;outline:0}
.btm-chat-badge{position:absolute;top:-6px;right:-6px;background:#ef4444;color:#fff;border-radius:999px;
  font:12px/1 system-ui;padding:2px 6px;display:none}
.btm-chat-panel{position:fixed;right:20px;bottom:88px;width:340px;max-width:92vw;height:520px;background:#fff;border-radius:16px;
  box-shadow:0 20px 40px rgba(0,0,0,.18);display:none;flex-direction:column;overflow:hidden;z-index:999999}
.btm-show{display:flex}
.btm-chat-header{padding:14px 16px;background:linear-gradient(135deg,#4f46e5,#6366f1);color:#fff;
  display:flex;align-items:center;justify-content:space-between}
.btm-chat-title{font:600 15px/1.2 system-ui}
.btm-chat-body{background:#f8fafc;flex:1;overflow:auto;padding:12px}
.btm-msg{max-width:80%;margin:8px 0;padding:10px 12px;border-radius:12px;font:14px/1.45 system-ui;color:#0f172a;word-wrap:break-word}
.btm-msg.user{margin-left:auto;background:#e0e7ff;border-bottom-right-radius:6px}
.btm-msg.agent{margin-right:auto;background:#fff;border:1px solid #e5e7eb;border-bottom-left-radius:6px}
.btm-msg img{max-width:100%;border-radius:8px;display:block}
.btm-chat-input{display:flex;gap:8px;align-items:center;padding:10px;background:#fff;border-top:1px solid #eef2f7}
.btm-textarea{flex:1;border:1px solid #e5e7eb;border-radius:12px;padding:10px 12px;min-height:42px;max-height:140px;
  resize:vertical;font:14px/1.4 system-ui;outline:none;background:#fff;color:#0f172a}
.btm-send{background:#4f46e5;color:#fff;border:none;border-radius:10px;padding:10px 14px;cursor:pointer}
.btm-file{display:inline-flex;align-items:center;gap:6px;padding:8px 10px;border:1px dashed #cbd5e1;border-radius:10px;background:#f8fafc;cursor:pointer}
.btm-hint{font:12px/1.2 system-ui;color:#64748b;margin:4px 0 10px 12px}