:root{--navy:#0a1830;--navy2:#0d2140;--card:#10294e;--card2:#0e2343;--blue:#2bb3ff;--cyan:#00e0ff;--text:#f2f7ff;--muted:#9db4d0;--green:#2fd47e;--yellow:#ffc53d;--red:#ff6b6b;--line:#1d3a66}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--navy);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--cyan)}.wrap{max-width:980px;margin:0 auto;padding:0 20px}.wrap-narrow{max-width:680px;margin:0 auto;padding:0 20px}.btn{display:inline-block;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#04263b;font-weight:700;border:none;border-radius:12px;padding:13px 26px;font-size:16px;cursor:pointer;text-decoration:none;transition:transform .12s ease;text-align:center}.btn:hover{transform:translateY(-2px)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-sm{padding:9px 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botBreathe{0%,to{transform:scale(1)}50%{transform:scale(1.03)}}.bot-listening img{border-color:var(--cyan);box-shadow:0 0 14px #00e0ff8c}.bot-listening:before,.bot-listening:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:2px solid var(--cyan);animation:botRing 1.6s ease-out infinite;pointer-events:none}.bot-listening:after{animation-delay:.8s}@keyframes botRing{0%{transform:scale(1);opacity:.8}to{transform:scale(1.5);opacity:0}}.bot-speaking img{border-color:var(--blue)}.bot-speaking{animation:botSpeakGlow 1s ease-in-out infinite}@keyframes botSpeakGlow{0%,to{filter:drop-shadow(0 0 2px rgba(43,179,255,.35))}50%{filter:drop-shadow(0 0 12px rgba(43,179,255,.85))}}.bot-working img{border-color:var(--yellow)}.bot-working:before{content:"";position:absolute;top:-7px;right:-7px;bottom:-7px;left:-7px;border-radius:50%;border:2px dashed var(--blue);animation:botSpin 1.2s linear infinite;pointer-events:none}@keyframes botSpin{to{transform:rotate(360deg)}}