#ai-chat-btn{position:fixed;bottom:22px;right:22px;width:58px;height:58px;border-radius:50%;background:#0b0f1a;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 3px rgb(124 92 255 / .2),0 0 25px rgb(124 92 255 / .7)}.rai-robot.friendly{position:relative;width:26px;height:22px;border-radius:10px;background:linear-gradient(135deg,#00e5ff,#7c4dff);display:flex;justify-content:space-around;align-items:center;padding:4px;box-shadow:0 0 12px rgb(124 92 255 / .6);transform:translateY(4px)}.antenna{position:absolute;top:-7px;left:50%;transform:translateX(-50%);width:3px;height:6px;background:linear-gradient(135deg,#00e5ff,#7c4dff);border-radius:2px}.antenna::after{content:"";position:absolute;top:-5px;left:50%;transform:translateX(-50%);width:6px;height:6px;background:#7c4dff;border-radius:50%;box-shadow:0 0 6px rgb(124 92 255 / .8)}.eye{width:5px;height:5px;background:#0b0f1a;border-radius:50%;animation:blink 2s infinite;position:relative;top:-3px}@keyframes blink{0%,95%,100%{transform:scaleY(1)}97%{transform:scaleY(.1)}}.mouth{position:absolute;bottom:6px;left:50%;transform:translateX(-50%);width:10px;height:3px;border-radius:3px;background:#0b0f1a;opacity:.9}.rai-speaking .mouth{animation:talk 1.1s infinite ease-in-out}@keyframes talk{0%{width:7px}50%{width:12px}100%{width:7px}}#ai-chat-btn{position:fixed;bottom:22px;right:22px;width:58px;height:58px;border-radius:50%;background:#0b0f1a;border:1px solid rgb(124 92 255 / .5);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:9999;box-shadow:0 0 0 3px rgb(124 92 255 / .15),0 12px 30px rgb(0 0 0 / .6),0 0 25px rgb(124 92 255 / .65);animation:float 2.5s ease-in-out infinite;transition:transform 0.25s ease,box-shadow 0.25s ease}#ai-chat-btn:hover{transform:translateY(-3px) scale(1.06);box-shadow:0 0 0 4px rgb(124 92 255 / .25),0 16px 35px rgb(0 0 0 / .75),0 0 35px rgb(124 92 255 / .9)}#ai-chat-btn i{font-size:22px;background:linear-gradient(135deg,#00e5ff,#7c4dff);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;filter:drop-shadow(0 0 6px rgb(124 92 255 / .7))}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-6px)}100%{transform:translateY(0)}}#ai-chat-box{position:fixed;bottom:95px;right:22px;width:360px;height:480px;background:#fff;border-radius:16px;box-shadow:0 20px 45px rgb(0 0 0 / .3);display:none;flex-direction:column;overflow:hidden;z-index:9999;font-family:"Segoe UI",Arial,sans-serif}#ai-chat-header{background:linear-gradient(135deg,#5b5ce2,#7b5cff);color:#fff;padding:16px;font-weight:600;text-align:center}#ai-chat-messages{flex:1;padding:16px;overflow-y:auto;font-size:14px;background:#f9fafb}.chat-bubble{max-width:78%;padding:12px 14px;margin:10px 0;border-radius:16px;line-height:1.6;word-wrap:break-word}.ai-user{background:#e5e7eb;color:#111827;margin-left:auto;border-bottom-right-radius:4px}.ai-bot{background:#eef2ff;color:#1f2937;margin-right:auto;border-bottom-left-radius:4px}.rai-label{font-weight:600;background:linear-gradient(135deg,#5b5ce2,#7b5cff);-webkit-background-clip:text;-webkit-text-fill-color:#fff0}.thinking::after{content:"";animation:dots 1.4s infinite}@keyframes dots{0%{content:""}33%{content:"."}66%{content:".."}100%{content:"..."}}#ai-chat-input-area{display:flex;border-top:1px solid #e5e7eb;background:#fff}#ai-chat-input{flex:1;border:none;padding:14px;font-size:14px;outline:none}#ai-chat-send{background:linear-gradient(135deg,#5b5ce2,#7b5cff);color:#fff;border:none;padding:0 18px;font-weight:500;cursor:pointer}@media (max-width:768px){#ai-chat-btn{width:52px;height:52px;bottom:16px;right:16px;font-size:20px}#ai-chat-box{width:calc(100% - 20px);height:75vh;bottom:80px;right:10px;left:10px;border-radius:14px}#ai-chat-header{font-size:16px;padding:14px}#ai-chat-messages{padding:12px;font-size:14px}.chat-bubble{max-width:90%;font-size:14px}#ai-chat-input{font-size:15px;padding:12px}#ai-chat-send{padding:0 14px;font-size:14px}}@media (max-width:480px){#ai-chat-box{height:80vh;bottom:70px}#ai-chat-header{font-size:15px}.chat-bubble{padding:10px 12px;border-radius:14px}}#ai-chat-input-area{display:flex;align-items:center;gap:10px;padding:10px;border-top:1px solid #e5e7eb;background:#fff}#ai-chat-input{flex:1;padding:12px 16px;border-radius:999px;border:1px solid #e5e7eb;font-size:14px;outline:none}.circle-btn{width:42px;height:42px;border-radius:50%;border:none;background:#f3f4f6;display:flex;align-items:center;justify-content:center;cursor:pointer}.circle-btn img{width:18px;height:18px}.circle-btn.listening{background:#fee2e2}