.chat-fab{color:#fff;cursor:pointer;z-index:9999;background:#1e90d6;border:none;border-radius:50%;justify-content:center;align-items:center;width:3.25rem;height:3.25rem;font-size:1.4rem;transition:background .2s,transform .15s;display:flex;position:fixed;bottom:1.5rem;right:1.5rem;box-shadow:0 4px 16px #1e90d673}.chat-fab:hover{background:#1570b0;transform:scale(1.08)}.chat-panel{z-index:9998;background:#fff;border-radius:1rem;flex-direction:column;width:340px;max-height:520px;animation:.2s chat-slide-in;display:flex;position:fixed;bottom:5.5rem;right:1.5rem;overflow:hidden;box-shadow:0 8px 40px #0000002e}@keyframes chat-slide-in{0%{opacity:0;transform:translateY(16px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.chat-header{background:linear-gradient(135deg,#1a2a4a,#1e90d6);flex-shrink:0;justify-content:space-between;align-items:center;padding:.85rem 1rem;display:flex}.chat-header-info{align-items:center;gap:.65rem;display:flex}.chat-avatar{color:#fff;background:#fff3;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:2.2rem;height:2.2rem;font-size:1rem;display:flex}.chat-name{color:#fff;font-size:.9rem;font-weight:600}.chat-status{color:#ffffffbf;font-size:.72rem}.chat-close{color:#fffc;cursor:pointer;background:0 0;border:none;padding:.25rem;font-size:1rem;line-height:1}.chat-close:hover{color:#fff}.chat-messages{background:#f5f7fb;flex-direction:column;flex:1;gap:.6rem;padding:1rem;display:flex;overflow-y:auto}.chat-bubble-wrap{align-items:flex-end;gap:.4rem;display:flex}.chat-bubble-wrap.user{flex-direction:row-reverse}.chat-bubble-avatar{color:#fff;background:#1a2a4a;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:1.6rem;height:1.6rem;font-size:.65rem;display:flex}.chat-bubble{white-space:pre-wrap;border-radius:1rem;max-width:78%;padding:.6rem .85rem;font-size:.84rem;line-height:1.5}.chat-bubble.assistant{color:#1a2a4a;background:#fff;border-bottom-left-radius:.2rem;box-shadow:0 1px 4px #00000012}.chat-bubble.user{color:#fff;background:#1e90d6;border-bottom-right-radius:.2rem}.chat-typing{align-items:center;gap:4px;padding:.7rem 1rem;display:flex}.chat-typing span{background:#1e90d6;border-radius:50%;width:7px;height:7px;animation:1.2s infinite chat-bounce}.chat-typing span:nth-child(2){animation-delay:.2s}.chat-typing span:nth-child(3){animation-delay:.4s}@keyframes chat-bounce{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-5px)}}.chat-input-row{background:#fff;border-top:1px solid #e8edf3;flex-shrink:0;gap:.5rem;padding:.75rem;display:flex}.chat-input{color:#1a2a4a;background:#f5f7fb;border:1px solid #d0d8e4;border-radius:1.5rem;outline:none;flex:1;padding:.5rem .9rem;font-size:.84rem}.chat-input:focus{background:#fff;border-color:#1e90d6}.chat-send{color:#fff;cursor:pointer;background:#1e90d6;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:2.2rem;height:2.2rem;font-size:.85rem;transition:background .2s;display:flex}.chat-send:hover:not(:disabled){background:#1570b0}.chat-send:disabled{cursor:not-allowed;background:#b0c8e0}@media (width<=480px){.chat-panel{width:calc(100vw - 2rem);bottom:5rem;right:1rem}}