.upside-down-container{min-height:100%}html.upside-down-active body{transform-origin:50%;filter:saturate(.4)brightness(.7)hue-rotate(-20deg);transition:transform 1.5s cubic-bezier(.4,0,.2,1);transform:rotate(180deg)}html.upside-down-active:after{content:"";pointer-events:none;z-index:9998;background:0 0;animation:.15s infinite upside-down-flicker;position:fixed;inset:0}.upside-down-overlay{z-index:9999;pointer-events:all;cursor:pointer;background:radial-gradient(#0a0a12d9 0%,#0a0a12f2 50%,#000000fa 100%);animation:1s ease-out forwards upside-down-fade-in;position:fixed;inset:0;overflow:hidden;transform:rotate(180deg)}.upside-down-vignette{pointer-events:none;background:radial-gradient(#0000 20%,#1a3a5c4d 60%,#4a1a1a80 100%);animation:4s ease-in-out infinite upside-down-vignette-pulse;position:absolute;inset:0}.upside-down-particles{pointer-events:none;position:absolute;inset:0;overflow:hidden}.upside-down-particle{pointer-events:none;background:radial-gradient(circle at 30% 30%,#8ba5b5e6,#8ba5b54d);border-radius:50%;animation:linear infinite upside-down-float;position:absolute;bottom:-10px;box-shadow:0 0 6px #8ba5b580,0 0 12px #8ba5b54d}.upside-down-tendrils{pointer-events:none;position:absolute;inset:0;overflow:hidden}.upside-down-tendril{transform-origin:top;background:linear-gradient(#2d4a5ecc,#2d4a5e66 50%,#0000);border-radius:0 0 50% 50%;width:3px;height:200px;animation:6s ease-in-out infinite upside-down-tendril-sway;position:absolute;top:-50px}.upside-down-tendril:before,.upside-down-tendril:after{content:"";background:linear-gradient(#2d4a5e99,#0000);border-radius:0 0 50% 50%;width:2px;position:absolute}.upside-down-tendril:before{height:80px;top:30px;left:-15px;transform:rotate(-20deg)}.upside-down-tendril:after{height:100px;top:50px;right:-15px;transform:rotate(25deg)}.upside-down-hint{z-index:10;animation:3s ease-in-out infinite upside-down-hint-fade;position:absolute;bottom:40px;left:50%;transform:translate(-50%)}.upside-down-hint-text{font-family:var(--font-inter),system-ui,sans-serif;color:#ffffff80;text-transform:uppercase;letter-spacing:2px;font-size:14px}@keyframes upside-down-fade-in{0%{opacity:0}to{opacity:1}}@keyframes upside-down-flicker{0%,to{opacity:0}50%{opacity:.03;background:#ffffff05}}@keyframes upside-down-vignette-pulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes upside-down-float{0%{opacity:0;transform:translateY(0)translate(0)rotate(0)}10%{opacity:1}90%{opacity:1}to{opacity:0;transform:translateY(-100vh)translate(30px)rotate(360deg)}}@keyframes upside-down-tendril-sway{0%,to{transform:rotate(-5deg)scaleY(1)}25%{transform:rotate(3deg)scaleY(1.05)}50%{transform:rotate(-3deg)scaleY(.98)}75%{transform:rotate(5deg)scaleY(1.02)}}@keyframes upside-down-hint-fade{0%,to{opacity:.5}50%{opacity:.8}}