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(max-width:768px){.back-button{padding:6px 12px;font-size:13px;top:55px;right:25px}}@media (max-width:480px){.back-button{padding:5px 10px;font-size:12px;top:50px;right:20px}}.butterfly-toggle{position:fixed;top:60px;left:20px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all 0.3s ease;opacity:0;visibility:hidden;z-index:100;border:1px solid var(--terminal-green-dim);border-radius:50%;background:rgba(0,166,255,0.05)}.butterfly-toggle.visible{opacity:0.8;visibility:visible}.butterfly-toggle.visible:hover{opacity:1;border-color:var(--terminal-green);background:rgba(0,166,255,0.1)}.butterfly-toggle.disabled{opacity:0.3;filter:grayscale(1)}.butterfly-toggle-icon{display:inline-block;font-size:18px;filter:hue-rotate(0deg) brightness(1.2)}.butterfly-toggle:not(.disabled) .butterfly-toggle-icon{animation:butterflyFlap 10s ease-in-out infinite}@keyframes butterflyFlap{0%,92%,100%{transform:scaleX(1)}94%{transform:scaleX(-1)}96%{transform:scaleX(1)}98%{transform:scaleX(-1)}}.butterfly-toggle.rainbow-active .butterfly-toggle-icon{animation:rainbow-butterfly 2s linear infinite}@media (max-width:768px){.butterfly-toggle{width:28px;height:28px;top:55px;left:25px}.butterfly-toggle-icon{font-size:16px}}@media (max-width:480px){.butterfly-toggle{width:26px;height:26px;top:50px;left:20px}.butterfly-toggle-icon{font-size:14px}}@keyframes fly{0%{transform:translateX(-100px) translateY(0) rotate(0deg)}25%{transform:translateX(200px) translateY(-50px) rotate(45deg)}50%{transform:translateX(400px) translateY(50px) rotate(-30deg)}75%{transform:translateX(600px) translateY(-30px) rotate(20deg)}100%{transform:translateX(900px) translateY(0) rotate(0deg)}}@keyframes flutter{0%,100%{transform:scaleX(1)}50%{transform:scaleX(-1)}}.butterfly{position:fixed;font-size:24px;animation:fly 15s linear infinite;z-index:1000;pointer-events:none;transition:opacity 0.5s ease-in-out}.butterfly-inner{animation:flutter 0.5s ease-in-out infinite;display:inline-block}.butterfly1{top:20%;animation-delay:0s;animation-duration:12s}.butterfly2{top:50%;animation-delay:3s;animation-duration:15s}.butterfly3{top:70%;animation-delay:6s;animation-duration:18s}.butterfly4{top:35%;animation-delay:9s;animation-duration:14s}@keyframes rainbow-butterfly{0%{color:#ff0000;filter:hue-rotate(0deg) saturate(2) brightness(1.2)}16.67%{color:var(--color-orange);filter:hue-rotate(30deg) saturate(2) brightness(1.2)}33.33%{color:var(--color-yellow);filter:hue-rotate(60deg) saturate(2) brightness(1.2)}50%{color:var(--color-lime);filter:hue-rotate(120deg) saturate(2) brightness(1.2)}66.67%{color:#0088ff;filter:hue-rotate(210deg) saturate(2) brightness(1.2)}83.33%{color:#8800ff;filter:hue-rotate(270deg) saturate(2) brightness(1.2)}100%{color:#ff0000;filter:hue-rotate(360deg) saturate(2) brightness(1.2)}}.butterfly-rainbow .butterfly-inner{animation:flutter 0.5s ease-in-out infinite,rainbow-butterfly 3s linear infinite}