.ai-fab{position:fixed;right:18px;bottom:18px;z-index:9998;width:60px;height:60px;border-radius:50%;border:0;cursor:pointer;background:linear-gradient(135deg,var(--a,#e8452c),var(--a2,#ff7a59));color:#fff;box-shadow:0 10px 28px rgba(232,69,44,.38);display:flex;align-items:center;justify-content:center;transition:transform .2s}
.ai-fab:hover{transform:scale(1.06)}
.ai-fab svg{width:28px;height:28px}
.ai-fab__dot{position:absolute;top:4px;right:4px;width:14px;height:14px;border-radius:50%;background:#22c55e;border:2px solid #fff}
.ai-fab__tip{position:absolute;right:70px;white-space:nowrap;background:#141821;color:#fff;font-size:13px;padding:7px 11px;border-radius:10px;pointer-events:none;opacity:.95}
.ai-panel{position:fixed;right:18px;bottom:90px;z-index:9999;width:370px;max-width:calc(100vw - 24px);height:540px;max-height:calc(100vh - 110px);background:#fff;border-radius:18px;box-shadow:0 20px 60px rgba(20,24,33,.25);display:flex;flex-direction:column;overflow:hidden;font-size:15px}
.ai-panel[hidden]{display:none}
.ai-head{display:flex;align-items:center;gap:10px;padding:14px 16px;background:#141821;color:#fff}
.ai-head__av{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--a,#e8452c),var(--a2,#ff7a59));display:flex;align-items:center;justify-content:center;font-weight:700}
.ai-head b{display:block;font-size:15px}.ai-head small{opacity:.7;font-size:12px}
.ai-x{margin-left:auto;background:none;border:0;color:#fff;font-size:26px;line-height:1;cursor:pointer;padding:0 4px}
.ai-log{flex:1;overflow-y:auto;padding:14px;background:#f5f6f9;display:flex;flex-direction:column;gap:8px}
.ai-msg{max-width:85%;padding:9px 12px;border-radius:14px;line-height:1.4;white-space:pre-wrap;word-wrap:break-word}
.ai-msg--bot{background:#fff;border:1px solid #e6e8ee;align-self:flex-start;border-bottom-left-radius:4px}
.ai-msg--me{background:var(--a,#e8452c);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.ai-msg--err{background:#fff3f0;color:#b42318;border:1px solid #fecdca;align-self:flex-start}
.ai-msg a{color:inherit;text-decoration:underline}
.ai-typing span{display:inline-block;width:6px;height:6px;margin:0 2px;border-radius:50%;background:#9aa1ad;animation:aiB 1s infinite}
.ai-typing span:nth-child(2){animation-delay:.15s}.ai-typing span:nth-child(3){animation-delay:.3s}
@keyframes aiB{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
.ai-chips{display:flex;flex-wrap:wrap;gap:6px;padding:8px 12px 0;background:#fff}
.ai-chips button{border:1px solid #e6e8ee;background:#fff;border-radius:999px;padding:5px 10px;font-size:12.5px;cursor:pointer;color:#141821}
.ai-chips button:hover{border-color:var(--a,#e8452c)}
.ai-form{display:flex;gap:8px;padding:10px 12px 12px;background:#fff;border-top:1px solid #e6e8ee;align-items:flex-end}
.ai-form textarea{flex:1;resize:none;border:1px solid #e6e8ee;border-radius:12px;padding:9px 11px;font:inherit;font-size:15px;max-height:110px;min-height:40px;outline:none}
.ai-form textarea:focus{border-color:var(--a,#e8452c)}
.ai-form button{width:42px;height:42px;border-radius:12px;border:0;background:var(--a,#e8452c);color:#fff;cursor:pointer;flex:none;display:flex;align-items:center;justify-content:center}
.ai-form button:disabled{opacity:.5;cursor:default}
.ai-note{font-size:11px;color:#5d6575;text-align:center;padding:0 12px 8px;background:#fff}
@media (max-width:520px){
 .ai-panel{right:0;left:0;bottom:0;width:100%;max-width:100%;height:100%;max-height:100%;border-radius:0}
 .ai-fab{right:14px;bottom:14px;width:56px;height:56px}
 .ai-fab__tip{display:none}
 body.ai-open .ai-fab{display:none}
}