:root{--cosmic-black:#0a0b0f;--mystic-gold:#d4a574;--celestial-violet:#96c;--ethereal-rose:#e6cbd3;--cosmic-light:#f5f5f5;--cosmic-gray:#a0a0a0;--vh:1vh}@supports (-webkit-touch-callout:none){:root{--vh:1dvh}}.cosmic-chat-container{background:linear-gradient(135deg,var(--cosmic-black)0%,#0a0b0ffa 50%,#d4a5740d 100%);min-height:100vh;min-height:calc(var(--vh,1vh)*100)}.chat-viewport-height{height:100dvh}.msg-bubble-user{-webkit-backdrop-filter:blur(12px);background:#d4a57414;border:1px solid #d4a5742e;transition:box-shadow .3s,border-color .3s;box-shadow:0 2px 12px #d4a5740f,inset 0 1px #d4a57414}.msg-bubble-user:hover{border-color:#d4a57440;box-shadow:0 4px 20px #d4a5741a,inset 0 1px #d4a5741a}.msg-bubble-ai{-webkit-backdrop-filter:blur(12px);background:#ffffff0d;border:1px solid #ffffff14;transition:box-shadow .3s,border-color .3s;box-shadow:0 2px 12px #8b5cf60a,inset 0 1px #ffffff0a}.msg-bubble-ai:hover{border-color:#ffffff1f;box-shadow:0 4px 20px #8b5cf614,inset 0 1px 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