.chat-fab{position:fixed;bottom:24px;right:24px;z-index:9998;width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;box-shadow:0 4px 14px rgba(99,102,241,.45),0 0 0 0 rgba(99,102,241,.4);display:flex;align-items:center;justify-content:center;transition:transform .2s ease,box-shadow .2s ease;animation:chat-fab-pulse 2s ease-in-out infinite}.chat-fab:hover{transform:scale(1.08);box-shadow:0 6px 20px rgba(99,102,241,.55)}.chat-fab:active{transform:scale(.95)}.chat-fab svg{width:26px;height:26px}.chat-fab-badge{position:absolute;top:-2px;right:-2px;width:18px;height:18px;border-radius:50%;background:#ef4444;color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;border:2px solid #0f0f23}@keyframes chat-fab-pulse{0%,to{box-shadow:0 4px 14px rgba(99,102,241,.45),0 0 0 0 rgba(99,102,241,.4)}50%{box-shadow:0 4px 14px rgba(99,102,241,.45),0 0 0 8px rgba(99,102,241,0)}}.chat-panel-overlay{position:fixed;inset:0;z-index:9999;pointer-events:none}.chat-panel-overlay.open{pointer-events:auto}.chat-panel-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.3);opacity:0;transition:opacity .3s ease}.chat-panel-overlay.open .chat-panel-backdrop{opacity:1}.chat-panel{position:absolute;right:0;top:0;bottom:0;width:400px;max-width:100vw;transform:translateX(100%);transition:transform .35s cubic-bezier(.32,.72,0,1);display:flex;flex-direction:column;background:#13132b;border-left:1px solid rgba(99,102,241,.15);box-shadow:-8px 0 30px rgba(0,0,0,.5)}.chat-panel-overlay.open .chat-panel{transform:translateX(0)}.chat-header{justify-content:space-between;padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.03);backdrop-filter:blur(12px);flex-shrink:0}.chat-header,.chat-header-left{display:flex;align-items:center}.chat-header-left{gap:10px}.chat-header-title{font-size:15px;font-weight:600;color:#e2e8f0;letter-spacing:-.01em}.chat-header-status{display:flex;align-items:center;gap:5px;font-size:12px;color:#94a3b8}.chat-header-status-dot{width:7px;height:7px;border-radius:50%;background:#22c55e;animation:status-glow 2s ease-in-out infinite}@keyframes status-glow{0%,to{box-shadow:0 0 0 0 rgba(34,197,94,.5)}50%{box-shadow:0 0 0 4px rgba(34,197,94,0)}}.chat-close-btn{width:32px;height:32px;border-radius:8px;border:none;background:rgba(255,255,255,.05);color:#94a3b8;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s}.chat-close-btn:hover{background:rgba(255,255,255,.1);color:#e2e8f0}.chat-messages{flex:1;overflow-y:auto;padding:16px 16px 8px;display:flex;flex-direction:column;gap:6px;scroll-behavior:smooth}.chat-messages::-webkit-scrollbar{width:5px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:10px}.chat-load-more{align-self:center;padding:6px 16px;border:1px solid rgba(255,255,255,.08);border-radius:20px;background:rgba(255,255,255,.03);color:#94a3b8;font-size:12px;cursor:pointer;transition:background .15s,color .15s;margin-bottom:8px}.chat-load-more:hover{background:rgba(255,255,255,.06);color:#e2e8f0}.chat-load-more:disabled{opacity:.4;cursor:not-allowed}.chat-welcome{text-align:center;padding:32px 20px;color:#94a3b8}.chat-welcome-icon{font-size:40px;margin-bottom:12px}.chat-welcome-title{font-size:15px;font-weight:600;color:#e2e8f0;margin-bottom:6px}.chat-welcome-desc{font-size:13px;line-height:1.5}.chat-msg{display:flex;gap:8px;max-width:85%;animation:msg-in .25s ease-out}@keyframes msg-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.chat-msg.incoming{align-self:flex-start}.chat-msg.outgoing{align-self:flex-end;flex-direction:row-reverse}.chat-msg-avatar{width:32px;height:32px;border-radius:50%;flex-shrink:0;object-fit:cover;background:rgba(99,102,241,.15)}.chat-msg-body{display:flex;flex-direction:column;gap:3px}.chat-msg-meta{display:flex;align-items:center;gap:6px;font-size:11px}.chat-msg.outgoing .chat-msg-meta{flex-direction:row-reverse}.chat-msg-name{color:#a5b4fc;font-weight:500}.chat-msg.outgoing .chat-msg-name{color:#86efac}.chat-msg-time{color:#64748b}.chat-msg-content{padding:10px 14px;border-radius:16px;font-size:13.5px;line-height:1.55;word-break:break-word;white-space:pre-wrap}.chat-msg.incoming .chat-msg-content{background:rgba(255,255,255,.06);color:#e2e8f0;border-bottom-left-radius:4px}.chat-msg.outgoing .chat-msg-content{background:linear-gradient(135deg,rgba(99,102,241,.25),rgba(139,92,246,.2));color:#e2e8f0;border-bottom-right-radius:4px}.chat-msg-image{max-width:240px;max-height:180px;border-radius:12px;margin-top:4px;cursor:pointer;transition:opacity .15s}.chat-msg-image:hover{opacity:.85}.chat-date-sep{text-align:center;padding:8px 0;font-size:11px;color:#64748b;position:relative}.chat-date-sep:after,.chat-date-sep:before{content:"";position:absolute;top:50%;width:calc(50% - 60px);height:1px;background:rgba(255,255,255,.05)}.chat-date-sep:before{left:0}.chat-date-sep:after{right:0}.chat-input-area{display:flex;align-items:flex-end;gap:8px;padding:12px 16px 16px;border-top:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.02);flex-shrink:0}.chat-input{flex:1;min-height:40px;max-height:120px;padding:10px 14px;border-radius:20px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.04);color:#e2e8f0;font-size:13.5px;font-family:inherit;resize:none;outline:none;transition:border-color .15s,background .15s;line-height:1.4}.chat-input::placeholder{color:#64748b}.chat-input:focus{border-color:rgba(99,102,241,.4);background:rgba(255,255,255,.06)}.chat-send-btn{width:40px;height:40px;border-radius:50%;border:none;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:opacity .15s,transform .15s}.chat-send-btn:hover{opacity:.9;transform:scale(1.05)}.chat-send-btn:active{transform:scale(.95)}.chat-send-btn:disabled{opacity:.35;cursor:not-allowed;transform:none}.chat-send-btn svg{width:18px;height:18px}.chat-loading{display:flex;align-items:center;justify-content:center;padding:40px;color:#94a3b8;gap:8px;font-size:13px}.chat-spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.1);border-top-color:#6366f1;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:480px){.chat-panel{width:100vw}.chat-fab{bottom:16px;right:16px;width:50px;height:50px}}