/* Chat widget styles */
#acb-chat-btn{
  position:fixed;right:20px;bottom:20px;z-index:9999;
  background:#0284c7;color:#fff;border:0;border-radius:999px;
  padding:14px 18px;font:700 15px ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  box-shadow:0 8px 24px rgba(2,132,199,.25);cursor:pointer;
}
#acb-chat-btn:hover{background:#0369a1}
#acb-chat-panel{
  position:fixed;right:20px;bottom:78px;z-index:9999;width:min(360px,calc(100vw - 24px));
  height:min(560px,calc(100vh - 100px));background:#ffffff;border:1px solid #e2e8f0;border-radius:16px;
  display:none;flex-direction:column;overflow:hidden;
  box-shadow:0 16px 40px rgba(15,23,42,.12);
}
#acb-chat-panel.open{display:flex}
#acb-chat-head{
  background:#f0f9ff;color:#075985;padding:12px 14px;font:700 13px ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  display:flex;align-items:center;justify-content:space-between;gap:8px;border-bottom:1px solid #e2e8f0;
}
#acb-chat-head button{background:transparent;border:0;color:#64748b;font-size:18px;cursor:pointer}
#acb-chat-msgs{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:8px;background:#f8fafc}
.acb-msg{max-width:88%;padding:9px 11px;border-radius:12px;font:14px/1.4 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;white-space:pre-wrap}
.acb-msg.ai{align-self:flex-start;background:#fff;color:#0f172a;border:1px solid #e2e8f0}
.acb-msg.user{align-self:flex-end;background:#0284c7;color:#fff}
.acb-msg.human{align-self:flex-start;background:#dcfce7;color:#14532d;border:1px solid #bbf7d0}
.acb-msg .who{display:block;font-size:11px;opacity:.75;margin-bottom:3px;font-weight:700}
#acb-email-bar{display:flex;gap:6px;padding:8px 10px;border-top:1px solid #e2e8f0;background:#fff}
#acb-email-bar.done{display:none}
#acb-email-bar input{flex:1;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#0f172a;padding:8px 10px;font:13px ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
#acb-email-bar button{border:0;border-radius:8px;background:#0284c7;color:#fff;padding:0 10px;font:700 12px ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;cursor:pointer}
#acb-email-bar button.skip{background:#e2e8f0;color:#334155}
#acb-chat-hint{font:11px ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:#64748b;padding:0 12px 8px;background:#fff}
#acb-chat-form{display:flex;gap:8px;padding:10px;border-top:1px solid #e2e8f0;background:#fff}
#acb-chat-form input{flex:1;border:1px solid #cbd5e1;border-radius:10px;background:#fff;color:#0f172a;padding:10px 12px;font:14px ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
#acb-chat-form button{border:0;border-radius:10px;background:#0284c7;color:#fff;padding:0 14px;font:700 13px ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;cursor:pointer}
/* Quick-reply chips */
#acb-chips{display:flex;flex-wrap:wrap;gap:6px;padding:8px 12px 10px;background:#f8fafc;border-top:1px dashed #e2e8f0}
.acb-chip{border:1px solid #bae6fd;background:#fff;color:#0369a1;border-radius:999px;padding:6px 11px;font:600 12.5px ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;cursor:pointer;transition:background .15s,color .15s,box-shadow .15s,transform .15s}
.acb-chip:hover,.acb-chip:focus-visible{background:#0284c7;color:#fff;box-shadow:0 4px 14px rgba(2,132,199,.25);transform:translateY(-1px);outline:none}