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typingDotBlink{0%,80%,to{opacity:.7}40%{opacity:1}}.login-container{display:flex;align-items:flex-start;justify-content:center;margin-top:2rem;width:100%;box-sizing:border-box}#chat-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;width:100%;box-sizing:border-box}#login-container,#chat-container{width:100%;max-width:700px;margin:0 auto}.auth-box{margin:0 auto;max-width:300px;width:100%;background:#fff8fc;padding:2rem;border-radius:20px;box-shadow:0 4px 20px #ffc0cb4d;border:1px solid #fdd2e0;transition:all .5s ease}body.cyber-night .auth-box{background:linear-gradient(145deg,#1a1a2e,#16213e);box-shadow:0 4px 20px #ffb6c14d,0 0 30px #ff69b433;border:1px solid rgba(255,182,193,.4);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.auth-box h2{text-align:center;color:#d979a2;margin-bottom:.5rem;font-size:1.8rem}body.cyber-night .auth-box h2{color:#ff69b4;text-shadow:0 0 10px 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rgba(255,105,180,.3)}.user-info{background:linear-gradient(135deg,var(--primary-light) 0%,var(--primary-dark) 100%);color:#fff;padding:.5rem 1rem;border-radius:20px;font-size:.9rem;font-weight:600;margin-top:1rem;display:inline-block;box-shadow:0 2px 10px var(--shadow-color)}body.cyber-night .user-info{background:linear-gradient(135deg,var(--accent-color) 0%,var(--accent-light) 100%);box-shadow:0 2px 15px var(--shadow-color);text-shadow:0 0 3px rgba(255,255,255,.3)}.logout-btn{margin-top:.5rem;margin-bottom:.8rem;align-self:stretch;width:100%;max-width:none;box-sizing:border-box}body.cyber-night .logout-btn{background:linear-gradient(135deg,var(--accent-color) 0%,var(--accent-light) 100%);color:#fff;box-shadow:0 2px 10px var(--shadow-color)}body.cyber-night .logout-btn:hover{background:linear-gradient(135deg,var(--accent-light) 0%,var(--accent-color) 100%);box-shadow:0 4px 20px var(--shadow-color)}.app-footer{margin-top:8rem;padding:1.5rem 0;text-align:center;border-top:1px solid #fdd2e0;transition:all .5s ease}body.cyber-night .app-footer{border-top:1px solid rgba(255,182,193,.3)}.footer-content p{font-size:1rem;color:var(--primary-color);margin:0;font-weight:500;animation:footerGlow 3s ease-in-out infinite alternate}body.cyber-night .footer-content p{color:var(--background-accent);animation:neonFooterGlow 3s ease-in-out infinite alternate}@keyframes footerGlow{0%{text-shadow:0 0 5px var(--shadow-color),0 0 10px var(--shadow-color)}to{text-shadow:0 0 10px var(--shadow-color),0 0 20px var(--shadow-color)}}@keyframes neonFooterGlow{0%{text-shadow:0 0 5px var(--shadow-light),0 0 10px var(--shadow-light),0 0 15px var(--shadow-light)}to{text-shadow:0 0 10px var(--shadow-light),0 0 20px var(--shadow-light),0 0 30px var(--shadow-light)}}@media (max-width: 1000px){.app-container{max-width:98vw;padding:1.2rem .5rem}#login-container,#chat-container{max-width:98vw}}@media (max-width: 700px){.app-container{max-width:100vw;padding:.5rem .1rem}#login-container,#chat-container{max-width:100vw}.chat-box{padding:.5rem;font-size:1rem;height:220px}.theme-btn{width:38px;height:38px;font-size:1.1rem}}button.mode-toggle-btn{background:linear-gradient(135deg,#f89ab7,#e48bae)!important;color:#fff!important;border:none;border-radius:10px;padding:.8rem 1.5rem;font-weight:700;cursor:pointer;transition:all .3s ease;font-size:1rem;box-shadow:0 2px 8px #ffc0cb4d;margin-top:.5rem}body.cyber-night button.mode-toggle-btn{background:linear-gradient(145deg,#ff69b4,#ff1493)!important;color:#fff!important;box-shadow:0 0 15px #ff69b466,inset 0 1px #fff3;text-shadow:0 0 5px rgba(255,255,255,.3)}body.cyber-night button.mode-toggle-btn:hover{box-shadow:0 0 20px #ff69b499;transform:translateY(-2px)}.theme-buttons{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:999}.theme-btn{position:fixed;width:50px;height:50px;border-radius:50%;border:3px solid rgba(255,255,255,.3);cursor:pointer;font-size:1.5rem;display:flex;align-items:center;justify-content:center;transition:all .3s ease;box-shadow:0 4px 15px #0003;pointer-events:auto;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#ffffff1a;touch-action:manipulation;-webkit-user-select:none;user-select:none;animation-duration:8s;animation-iteration-count:infinite;animation-timing-function:ease-in-out}.theme-btn:hover{transform:scale(1.2);box-shadow:0 6px 20px #0000004d;border-color:#fff9}.theme-btn:active{transform:scale(.9)}.theme-btn:focus{outline:none}.theme-btn:nth-child(1){left:8vw;top:25vh;animation-name:float1}.theme-btn:nth-child(2){right:10vw;top:35vh;animation-name:float2}.theme-btn:nth-child(3){left:12vw;top:55vh;animation-name:float3}.theme-btn:nth-child(4){right:12vw;top:65vh;animation-name:float4}.theme-btn:nth-child(5){left:16vw;top:75vh;animation-name:float5}.theme-btn:nth-child(6){right:16vw;top:45vh;animation-name:float6}.theme-btn:nth-child(7){left:24vw;top:65vh;animation-name:float7}.theme-btn:nth-child(8){right:22vw;top:80vh;animation-name:float8}@keyframes float1{0%{transform:translateY(0) scale(1)}50%{transform:translateY(-30px) scale(1.08)}to{transform:translateY(0) scale(1)}}@keyframes float2{0%{transform:translateY(0) scale(1)}50%{transform:translateY(25px) scale(1.1)}to{transform:translateY(0) scale(1)}}@keyframes float3{0%{transform:translateY(0) scale(1)}50%{transform:translateY(-20px) 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#9370db66}.theme-blue{background:linear-gradient(135deg,#4169e1,#1e90ff);box-shadow:0 4px 15px #4169e166}.theme-green{background:linear-gradient(135deg,#32cd32,#228b22);box-shadow:0 4px 15px #32cd3266}.theme-red{background:linear-gradient(135deg,tomato,#dc143c);box-shadow:0 4px 15px #ff634766}.theme-yellow{background:linear-gradient(135deg,gold,orange);box-shadow:0 4px 15px #ffd70066}.theme-teal{background:linear-gradient(135deg,#40e0d0,#20b2aa);box-shadow:0 4px 15px #40e0d066}body.cyber-night .theme-btn{background:#1a1a2ecc;border-color:#fff3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}body.cyber-night .theme-btn:hover{border-color:#fffc;box-shadow:0 6px 20px #fff3}body.cyber-night .theme-pink{box-shadow:0 4px 15px #ff69b499,0 0 20px #ff69b44d}body.cyber-night .theme-orange{box-shadow:0 4px 15px #ff8c0099,0 0 20px #ff8c004d}body.cyber-night .theme-purple{box-shadow:0 4px 15px #9370db99,0 0 20px #9370db4d}body.cyber-night .theme-blue{box-shadow:0 4px 15px #4169e199,0 0 20px #4169e14d}body.cyber-night .theme-green{box-shadow:0 4px 15px #32cd3299,0 0 20px #32cd324d}body.cyber-night .theme-red{box-shadow:0 4px 15px #ff634799,0 0 20px #ff63474d}body.cyber-night .theme-yellow{box-shadow:0 4px 15px #ffd70099,0 0 20px #ffd7004d}body.cyber-night .theme-teal{box-shadow:0 4px 15px #40e0d099,0 0 20px #40e0d04d}