.chat-toggle-btn{align-items:center;background:var(--toggle-bg,#667eea);border:none;border-radius:50px;bottom:20px;box-shadow:0 4px 20px rgba(0,0,0,.3);color:var(--toggle-text-color,#fff);cursor:pointer;display:flex;gap:.75rem;height:60px;padding:0 1.5rem;position:fixed;right:20px;touch-action:manipulation;transition:transform .3s,box-shadow .3s,filter .3s;white-space:nowrap;z-index:999}.chat-toggle-btn .chat-icon{align-items:center;display:flex;font-size:var(--toggle-icon-size,24px);justify-content:center;pointer-events:none;transition:transform .3s}.chat-toggle-btn .chat-text{font-size:var(--toggle-text-size,16px);font-weight:600;line-height:1;pointer-events:none}.chat-toggle-btn:hover{box-shadow:0 6px 25px rgba(0,0,0,.4);filter:brightness(1.1);transform:scale(1.05)}.chat-toggle-btn:active{transform:scale(.98)}.chat-toggle-btn.active{transform:scale(1.05)}.chat-toggle-btn.active .chat-icon{transform:rotate(90deg)}.chat-widget-container{bottom:100px;max-width:calc(100vw - 40px);opacity:0;pointer-events:none;position:fixed;right:20px;transform:translateY(20px) scale(.95);transition:opacity .3s,visibility .3s,transform .3s;visibility:hidden;width:var(--chat-width,400px);z-index:1000}.chat-widget-container.open{opacity:1;pointer-events:auto;transform:translateY(0) scale(1);visibility:visible}#chat-widget,.ai-chatbot-preview{background:var(--chat-gradient,linear-gradient(135deg,#667eea 0,#764ba2 100%));border-radius:var(--chat-border-radius,20px);box-shadow:0 10px 40px rgba(0,0,0,.3);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;overflow:hidden}.chat-header{align-items:center;backdrop-filter:blur(10px);background:hsla(0,0%,100%,.15);border-bottom:1px solid hsla(0,0%,100%,.1);color:var(--chat-text-color,#fff);display:flex;font-size:1.1rem;justify-content:space-between;padding:1rem 1.5rem}.chat-status{animation:pulse 2s infinite;color:#4ade80;font-size:.75rem}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}#chat-messages,.chat-messages{background:var(--chat-bg-color,#fff);height:var(--chat-messages-height,400px);overflow-y:auto;padding:1.5rem;scroll-behavior:smooth}.chat-message{animation:fadeIn .3s ease-in;margin-bottom:1rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat-message>div:first-child,.message-sender{font-size:var(--chat-sender-font-size,14px);font-weight:600;margin-bottom:.25rem}.bot-message .message-sender,.bot-message>div:first-child{color:var(--chat-bot-name-color,#667eea)}.user-message .message-sender,.user-message>div:first-child{color:var(--chat-user-name-color,#059669)}.chat-message p,.message-content{color:#374151;font-size:var(--chat-message-font-size,16px);line-height:1.6;margin:0}.chat-message p+p{margin-top:.75rem}.chat-message img{border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.15);height:auto;margin:.5rem 0;max-width:100%}.chat-link-btn{background:var(--chat-button-color,linear-gradient(135deg,#667eea 0,#764ba2 100%));border-radius:calc(var(--chat-border-radius, 20px)/2.5);box-shadow:0 2px 8px rgba(102,126,234,.3);color:var(--chat-button-text-color,#fff)!important;display:inline-block;font-weight:500;margin:.5rem 0;padding:.5rem 1rem;text-decoration:none!important;transition:transform .2s,box-shadow .2s}.chat-link-btn:hover{box-shadow:0 4px 12px rgba(102,126,234,.4);transform:translateY(-2px)}.typing{align-items:center;display:inline-flex;gap:4px}.typing span{animation:typingDot 1.4s infinite;background:var(--chat-primary-color,#667eea);border-radius:50%;height:8px;width:8px}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes typingDot{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-8px)}}#chat-input-container,.chat-input-container{backdrop-filter:blur(10px);background:hsla(0,0%,100%,.15);border-top:1px solid hsla(0,0%,100%,.1);display:flex;gap:.5rem;padding:1rem 1.5rem}#chat-input,.chat-input-container input{background:hsla(0,0%,100%,.9);border:2px solid hsla(0,0%,100%,.3);border-radius:calc(var(--chat-border-radius, 20px)/2);color:#1f2937;flex:1;font-size:1rem;padding:.75rem 1rem;transition:all .3s}#chat-input:focus,.chat-input-container input:focus{border-color:#fff;box-shadow:0 0 0 3px hsla(0,0%,100%,.2);outline:none}#chat-send,.chat-input-container button{background:var(--chat-button-color,#fff);border:none;border-radius:calc(var(--chat-border-radius, 20px)/2);box-shadow:0 2px 8px rgba(0,0,0,.1);color:var(--chat-button-text-color,#667eea);cursor:pointer;font-size:1rem;font-weight:600;padding:.75rem 1.5rem;touch-action:manipulation;transition:all .3s}#chat-send:hover:not(:disabled),.chat-input-container button:hover:not(:disabled){box-shadow:0 4px 12px rgba(0,0,0,.15);filter:brightness(.95);transform:translateY(-2px)}#chat-send:disabled,.chat-input-container button:disabled{cursor:not-allowed;opacity:.5}#chat-send:active:not(:disabled),.chat-input-container button:active:not(:disabled){transform:translateY(0)}#chat-messages::-webkit-scrollbar,.chat-messages::-webkit-scrollbar{width:8px}#chat-messages::-webkit-scrollbar-track,.chat-messages::-webkit-scrollbar-track{background:#f1f5f9;border-radius:10px}#chat-messages::-webkit-scrollbar-thumb,.chat-messages::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}#chat-messages::-webkit-scrollbar-thumb:hover,.chat-messages::-webkit-scrollbar-thumb:hover{background:#94a3b8}@media(max-width:768px)and (min-width:481px){.chat-widget-container{width:var(--chat-tablet-width,380px)}#chat-messages,.chat-messages{height:var(--chat-tablet-messages-height,350px)}.chat-toggle-btn{height:55px;padding:0 1.25rem}}@media(max-width:480px){.chat-widget-container{bottom:90px;right:10px;width:var(--chat-mobile-width,340px)}.chat-toggle-btn{height:50px;padding:0 1rem;right:10px}#chat-messages,.chat-messages{height:var(--chat-mobile-messages-height,300px)}}