.arz-chat-btn{position:fixed;bottom:90px;right:20px;width:56px;height:56px;border-radius:50%;background:#f59e0b;border:none;cursor:pointer;box-shadow:0 4px 20px rgba(245,158,11,.4);z-index:9999;display:flex;align-items:center;justify-content:center;transition:transform .2s,box-shadow .2s}.arz-chat-btn:hover{transform:scale(1.08);box-shadow:0 6px 28px rgba(245,158,11,.5)}.arz-chat-btn svg{width:28px;height:28px;fill:#fff}.arz-chat-btn .arz-close{display:none}.arz-chat-btn.active .arz-open{display:none}.arz-chat-btn.active .arz-close{display:block}
.arz-chat{position:fixed;bottom:100px;right:24px;width:380px;max-height:520px;background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.15);z-index:9998;display:none;flex-direction:column;overflow:hidden;font-family:Inter,-apple-system,sans-serif}.arz-chat.open{display:flex}
.arz-chat-head{background:#0f172a;color:#fff;padding:14px 16px;display:flex;align-items:center;gap:12px;position:relative}.arz-chat-head-avatar{width:36px;height:36px;border-radius:50%;background:#f59e0b;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0}.arz-chat-head-info h4{margin:0;font-size:14px;font-weight:600}.arz-chat-head-info p{margin:2px 0 0;font-size:11px;color:#94a3b8}
.arz-chat-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;min-height:200px;max-height:340px;background:#f8fafc}
.arz-msg{max-width:85%;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.5;word-wrap:break-word}.arz-msg-bot{background:#e2e8f0;color:#0f172a;align-self:flex-start;border-bottom-left-radius:4px}.arz-msg-user{background:#f59e0b;color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.arz-msg-typing{align-self:flex-start;background:#e2e8f0;padding:12px 18px;border-radius:12px;border-bottom-left-radius:4px}.arz-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#94a3b8;margin:0 2px;animation:arz-bounce .6s infinite alternate}.arz-dot:nth-child(2){animation-delay:.2s}.arz-dot:nth-child(3){animation-delay:.4s}@keyframes arz-bounce{to{opacity:.3;transform:translateY(-4px)}}
.arz-chat-captcha{padding:14px 16px;border-top:1px solid #e2e8f0;background:#fffbeb;display:flex;flex-direction:column;align-items:center;gap:10px}.arz-captcha-text{font-size:13px;color:#78350f;text-align:center}
.arz-chat-foot{padding:10px 12px;border-top:1px solid #e2e8f0;display:flex;gap:8px;background:#fff}.arz-chat-foot input:disabled{background:#f1f5f9;cursor:not-allowed}.arz-chat-foot button:disabled{opacity:.5;cursor:not-allowed}.arz-chat-foot input{flex:1;border:1px solid #e2e8f0;border-radius:10px;padding:10px 14px;font-size:16px;font-family:inherit;outline:none;transition:border-color .2s}.arz-chat-foot input:focus{border-color:#f59e0b}.arz-chat-foot button{background:#f59e0b;border:none;border-radius:10px;padding:0 16px;cursor:pointer;display:flex;align-items:center}.arz-chat-foot button svg{width:20px;height:20px;fill:#fff}
.arz-quick{display:flex;flex-wrap:wrap;gap:6px;align-self:flex-start}.arz-quick button{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:6px 12px;font-size:13px;cursor:pointer;font-family:inherit;transition:all .2s;color:#334155}.arz-quick button:hover{border-color:#f59e0b;color:#f59e0b}
@media(max-width:480px){.arz-chat-btn{bottom:80px;right:16px;width:52px;height:52px}.arz-chat-btn.active{bottom:auto;top:12px;right:12px;z-index:10001}.arz-chat{right:0;left:0;bottom:0;top:0;width:100%;max-height:100%;border-radius:0;z-index:10000}.arz-chat-body{min-height:0;max-height:none;flex:1}.arz-chat-foot input{font-size:16px}}