:root{--chat-primary: #0056b3;--chat-primary-light: #007bff;--chat-bot-bg: #f1f1f1;--chat-bot-text: #212529;--chat-agent-bg: #e8a820;--chat-agent-text: #fff;--chat-user-bg: rgb(16, 41, 102);--chat-user-text: #fff;--chat-panel-bg: #ffffff;--chat-panel-border: #e5e9f0;--chat-header-bg: #0b0e75;--chat-scrollbar: #d0d5dd;--chat-panel-shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 8px 24px rgba(0, 0, 0, .12);--chat-toggle-size: 60px;--chat-ease: cubic-bezier(.23, 1, .32, 1);--chat-badge-bg: #e53935;--chat-placeholder: #adb5bd;--chat-typing-dot: #9ca3af}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}#chat-panel{opacity:0;transform:translateY(16px) scale(.97);pointer-events:none;transition:opacity .3s var(--chat-ease),transform .3s var(--chat-ease)}#chat-panel.is-open{display:block!important;opacity:1;transform:translateY(0) scale(1);pointer-events:auto}#chat-toggle{position:fixed!important;bottom:24px!important;right:24px!important;width:var(--chat-toggle-size)!important;height:var(--chat-toggle-size)!important;z-index:9999;background:var(--chat-primary-light)!important;border:none!important;box-shadow:0 2px 8px #0056b340,0 8px 24px #0056b34d!important;transition:transform .2s var(--chat-ease),box-shadow .2s ease,background .15s ease!important}#chat-toggle:hover{transform:scale(1.06) translateY(-2px);box-shadow:0 4px 12px #0056b359,0 12px 32px #0056b366!important}#chat-toggle:active{transform:scale(.95);box-shadow:0 1px 4px #0056b333,0 4px 12px #0056b340!important}#chat-toggle:focus-visible{outline:3px solid rgba(0,86,179,.4);outline-offset:3px}#chat-toggle-icon{font-size:26px;line-height:1;color:#fff}#chat-badge{top:-4px;right:-4px;font-size:.68rem;padding:.3em .6em;background:var(--chat-badge-bg);border:2px solid #fff}#chat-panel{position:fixed!important;bottom:96px!important;right:24px!important;width:360px;max-width:calc(100vw - 48px);max-height:500px;z-index:9998;border-radius:30px 30px 20px 20px;overflow:hidden;background-color:var(--chat-panel-bg);border:1px solid var(--chat-panel-border);box-shadow:var(--chat-panel-shadow)}@media (min-width: 576px){#chat-panel{max-width:360px}}#chat-panel .card-header{background:var(--chat-header-bg)!important;border-bottom:1px solid rgba(255,255,255,.08);min-height:52px;border-radius:15px!important}#chat-panel-title{font-size:.9rem;font-weight:600;letter-spacing:.01em;color:#fffffff2;white-space:nowrap}#chat-panel .card-header .bx{color:#ffffffb3}#restart-chat{background:#ffffff1a!important;border:1px solid rgba(255,255,255,.2)!important;color:#ffffffbf!important;border-radius:8px;padding:6px 8px!important;transition:background .15s ease,color .15s ease!important}#restart-chat:hover{background:#dc3545d9!important;border-color:#dc3545d9!important;color:#fff!important}#restart-chat:active{transform:scale(.93)}#restart-chat:focus-visible{outline:2px solid rgba(255,255,255,.6);outline-offset:2px}#restart-chat i{font-size:1rem;line-height:1}#chat-header-logo{height:33px;width:auto!important;object-fit:contain;flex-shrink:0;display:block;border-radius:0!important;margin:0 0 0 25px!important}#minimize-chat{color:#ffffffb3!important;border-radius:6px;padding:4px!important;transition:color .15s ease,background .15s ease!important}#minimize-chat:hover{color:#fff!important;background:#ffffff1a!important}#minimize-chat:focus-visible{outline:2px solid rgba(255,255,255,.5);outline-offset:2px}#minimize-chat i{font-size:1.1rem;line-height:1}.chat-message-bot,.chat-message-user{position:relative;max-width:80%;width:fit-content;padding:10px 14px;line-height:1.5;font-size:.875rem;word-wrap:break-word;animation:msgIn .25s var(--chat-ease) forwards;opacity:0}@keyframes msgIn{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.chat-message-bot{background-color:var(--chat-bot-bg);color:var(--chat-bot-text);align-self:flex-start;border-radius:4px 18px 18px 0}.chat-message-bot:after{content:"";position:absolute;bottom:0;left:-7px;width:9px;height:9px;background:var(--chat-bot-bg);clip-path:polygon(0 0,100% 0,100% 100%);border-bottom-left-radius:3px}.chat-message-user{background-color:var(--chat-user-bg);color:var(--chat-user-text);align-self:flex-end;border-radius:18px 4px 0 18px}.chat-message-user:after{content:"";position:absolute;bottom:0;right:-7px;width:9px;height:9px;background:var(--chat-user-bg);clip-path:polygon(0 0,100% 100%,0 100%);border-bottom-right-radius:3px}.chat-message-agent{position:relative;background-color:var(--chat-agent-bg);color:var(--chat-agent-text);align-self:flex-start;border-radius:4px 18px 18px 0;max-width:80%;width:fit-content;padding:10px 14px;line-height:1.5;font-size:.875rem;word-wrap:break-word;animation:msgIn .25s var(--chat-ease) forwards;opacity:0}.chat-message-agent:after{content:"";position:absolute;bottom:0;left:-6px;width:9px;height:14px;background:var(--chat-agent-bg);clip-path:polygon(100% 0,100% 100%,0 100%);border-bottom-left-radius:2px}#chat-messages .d-flex:nth-last-child(1) .chat-message-bot,#chat-messages .d-flex:nth-last-child(1) .chat-message-user{animation-delay:0ms}#chat-messages .d-flex:nth-last-child(2) .chat-message-bot,#chat-messages .d-flex:nth-last-child(2) .chat-message-user{animation-delay:30ms}#chat-messages .d-flex:nth-last-child(3) .chat-message-bot,#chat-messages .d-flex:nth-last-child(3) .chat-message-user{animation-delay:60ms}#chat-panel .chat-message-bot img,#chat-panel .chat-message-user img,#chat-panel .chat-message-agent img{display:block;max-width:220px!important;width:100%!important;height:auto;margin:0!important;border-radius:8px}.chat-typing-dots{display:flex;gap:4px;align-items:center;padding:4px 0}.chat-typing-dots span{display:block;width:7px;height:7px;border-radius:50%;background:var(--chat-typing-dot);animation:typingBounce 1.1s ease-in-out infinite}.chat-typing-dots span:nth-child(1){animation-delay:0ms}.chat-typing-dots span:nth-child(2){animation-delay:.16s}.chat-typing-dots span:nth-child(3){animation-delay:.32s}@keyframes typingBounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}#chat-messages{scroll-behavior:smooth}#chat-messages::-webkit-scrollbar{width:4px}#chat-messages::-webkit-scrollbar-track{background:transparent}#chat-messages::-webkit-scrollbar-thumb{background-color:var(--chat-scrollbar);border-radius:10px}#chat-input-area{background:#f8f9fb!important;border-top:1px solid #eef0f3!important;padding:10px 12px!important}#input-message{min-height:42px;border-radius:10px!important;border:1.5px solid #e0e4ec!important;font-size:.875rem;background:#fff!important;transition:border-color .2s ease,box-shadow .2s ease!important}#input-message:focus{border-color:var(--chat-primary-light)!important;box-shadow:0 0 0 3px #007bff26!important;outline:none}#input-message::placeholder{color:var(--chat-placeholder);font-size:.85rem}#attach-file-btn{background:transparent!important;border:none!important;color:#8896a6!important;border-radius:10px 0 0 10px!important;transition:color .15s ease,background .15s ease!important;min-width:44px;min-height:44px}#attach-file-btn:hover{color:var(--chat-primary-light)!important;background:#007bff0f!important}#attach-file-btn:focus-visible{outline:2px solid var(--chat-primary-light);outline-offset:-2px}#send-message-btn{background:var(--chat-primary-light)!important;border:none!important;border-radius:10px!important;color:#fff!important;font-weight:600;font-size:.82rem;min-width:60px;min-height:42px;transition:background .15s ease,transform .1s ease!important}#send-message-btn:hover{background:var(--chat-primary)!important}#send-message-btn:active{transform:scale(.96)}#send-message-btn:disabled{background:#b0b8c4!important;cursor:not-allowed;transform:none}#send-message-btn:focus-visible{outline:2px solid rgba(0,123,255,.5);outline-offset:-2px}.input-group .form-control:focus~.input-group-append .btn{border-color:var(--chat-primary-light)!important}#chat-start{background:#f8f9fb}#chat-start p{font-size:.9rem;color:#6c757d;line-height:1.6}#start-chat-btn{background:var(--chat-primary-light)!important;border:none!important;border-radius:10px;font-weight:600;font-size:.875rem;padding:10px 28px;color:#fff!important;transition:background .15s ease,transform .1s ease,box-shadow .15s ease!important;box-shadow:0 2px 8px #007bff40!important}#start-chat-btn:hover{background:var(--chat-primary)!important;transform:translateY(-1px);box-shadow:0 4px 16px #007bff59!important}#start-chat-btn:active{transform:scale(.97)}#start-chat-btn:focus-visible{outline:2px solid rgba(0,123,255,.5);outline-offset:2px}#back-to-top.back-to-top button,.back-to-top .btn-dark,.back-to-top{bottom:100px!important;right:36px!important;z-index:9997!important}a.back-to-top{display:none!important}#back-to-top.back-to-top button i,.back-to-top .btn-dark i{background:transparent!important;border-radius:0!important;color:#fff!important;font-size:18px!important;width:100%!important;height:100%!important;display:flex!important;align-items:center!important;justify-content:center!important}