#aicb-root{--aicb-primary:#2563eb;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,sans-serif}
.aicb-toggle{position:fixed;bottom:24px;width:56px;height:56px;border-radius:50%;background:var(--aicb-primary);color:#fff;border:none;cursor:pointer;box-shadow:0 6px 20px rgba(0,0,0,.18);display:flex;align-items:center;justify-content:center;z-index:99998;transition:transform .2s}
.aicb-toggle:hover{transform:scale(1.06)}
.aicb-toggle svg{width:26px;height:26px;fill:#fff}
#aicb-root[data-position="right"] .aicb-toggle{right:24px}
#aicb-root[data-position="left"]  .aicb-toggle{left:24px}

.aicb-window{position:fixed;bottom:92px;width:360px;max-width:calc(100vw - 24px);height:520px;max-height:calc(100vh - 120px);background:#fff;border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.22);display:flex;flex-direction:column;overflow:hidden;z-index:99999;opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .2s,transform .2s}
.aicb-window.aicb-open{opacity:1;transform:translateY(0);pointer-events:auto}
#aicb-root[data-position="right"] .aicb-window{right:24px}
#aicb-root[data-position="left"]  .aicb-window{left:24px}

.aicb-header{background:var(--aicb-primary);color:#fff;padding:14px 16px;display:flex;align-items:center;justify-content:space-between}
.aicb-header h4{margin:0;font-size:15px;font-weight:600;color:#fff}
.aicb-close{background:transparent;border:none;color:#fff;cursor:pointer;padding:4px;border-radius:4px;line-height:0}
.aicb-close:hover{background:rgba(255,255,255,.15)}

.aicb-messages{flex:1;overflow-y:auto;padding:14px;background:#f7f8fa;display:flex;flex-direction:column;gap:10px}
.aicb-msg-wrap{display:flex;flex-direction:column;max-width:82%}
.aicb-msg-wrap.user{align-self:flex-end;align-items:flex-end}
.aicb-msg-wrap.bot{align-self:flex-start;align-items:flex-start}
.aicb-msg{padding:9px 12px;border-radius:14px;font-size:14px;line-height:1.45;word-wrap:break-word;white-space:pre-wrap}
.aicb-rate{margin:4px 6px 0;display:flex;gap:2px;align-items:center}
.aicb-rate button{background:none;border:none;cursor:pointer;font-size:14px;opacity:.4;padding:2px 4px;border-radius:4px;transition:opacity .15s,background .15s}
.aicb-rate button:hover:not(:disabled){opacity:1;background:rgba(0,0,0,.05)}
.aicb-rate button.active{opacity:1}
.aicb-rate button:disabled{cursor:default}
.aicb-msg.user{align-self:flex-end;background:var(--aicb-primary);color:#fff;border-bottom-right-radius:4px}
.aicb-msg.bot{align-self:flex-start;background:#fff;color:#111;border:1px solid #e5e7eb;border-bottom-left-radius:4px;white-space:normal}
.aicb-msg.error{background:#fef2f2;color:#991b1b;border-color:#fecaca}
.aicb-msg a{color:inherit;text-decoration:underline;word-break:break-word}
.aicb-msg.bot a{color:var(--aicb-primary)}
.aicb-msg p{margin:0 0 8px}
.aicb-msg p:last-child{margin-bottom:0}
.aicb-msg ul,.aicb-msg ol{margin:4px 0 8px;padding-left:20px}
.aicb-msg li{margin:2px 0}
.aicb-msg strong{font-weight:600}
.aicb-msg em{font-style:italic}

.aicb-typing{align-self:flex-start;background:#fff;border:1px solid #e5e7eb;padding:10px 14px;border-radius:14px;display:flex;gap:4px}
.aicb-typing span{width:6px;height:6px;background:#9ca3af;border-radius:50%;animation:aicb-blink 1.2s infinite}
.aicb-typing span:nth-child(2){animation-delay:.2s}
.aicb-typing span:nth-child(3){animation-delay:.4s}
@keyframes aicb-blink{0%,80%,100%{opacity:.3}40%{opacity:1}}

.aicb-input{border-top:1px solid #e5e7eb;padding:10px;display:flex;gap:8px;background:#fff}
.aicb-input textarea{flex:1;border:1px solid #d1d5db;border-radius:10px;padding:8px 10px;font-size:14px;resize:none;outline:none;font-family:inherit;min-height:38px;max-height:100px}
.aicb-input textarea:focus{border-color:var(--aicb-primary)}
.aicb-input button{background:var(--aicb-primary);color:#fff;border:none;border-radius:10px;padding:0 14px;cursor:pointer;font-weight:500;font-size:14px}
.aicb-input button:disabled{opacity:.5;cursor:not-allowed}

@media (max-width:480px){
  .aicb-window{width:calc(100vw - 16px);height:calc(100vh - 100px);bottom:80px}
  #aicb-root[data-position="right"] .aicb-window,
  #aicb-root[data-position="left"]  .aicb-window{right:8px;left:8px}
}