body.space-mode{background:radial-gradient(ellipse at center,#1a0d2e,#16213e,#0f3460);overflow:hidden}body.space-mode:before{content:"";position:fixed;top:0;left:0;width:100vw;height:100vh;background:radial-gradient(2px 2px at 20px 30px,#fff,transparent),radial-gradient(2px 2px at 40px 70px,rgba(255,255,255,.8),transparent),radial-gradient(1px 1px at 90px 40px,#fff,transparent),radial-gradient(1px 1px at 130px 80px,rgba(255,255,255,.6),transparent),radial-gradient(2px 2px at 160px 30px,#fff,transparent);background-repeat:repeat;background-size:200px 100px;animation:twinkle 4s ease-in-out infinite alternate;z-index:1;pointer-events:none}@keyframes twinkle{0%{opacity:.3}to{opacity:.8}}.space-mode .choice-card{background:#ffffff14;border:1px solid rgba(255,255,255,.2);-webkit-backdrop-filter:blur(25px);backdrop-filter:blur(25px);box-shadow:0 8px 32px #0000004d,inset 0 1px #ffffff1a}.space-mode .choice-card:hover{background:#ffffff1f;border-color:#ffffff4d;transform:translateY(-8px) scale(1.02);box-shadow:0 16px 40px #0006,0 0 20px #0080ff4d,inset 0 1px #fff3}.space-mode .promo-banner{background:#0080ff1f;border:2px solid rgba(0,191,255,.3);-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);box-shadow:0 16px 40px #0000004d,0 0 30px #0080ff33}.space-mode .logo{text-shadow:0 0 20px rgba(0,191,255,.8),0 0 40px rgba(0,128,255,.6),0 0 60px rgba(0,128,255,.4);animation:logoGlow 3s ease-in-out infinite alternate}@keyframes logoGlow{0%{filter:brightness(1) drop-shadow(0 0 20px rgba(0,191,255,.8))}to{filter:brightness(1.2) drop-shadow(0 0 30px rgba(0,191,255,1))}}.space-particles{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:2}.particle{position:absolute;width:2px;height:2px;background:#00bfffcc;border-radius:50%;animation:float 6s linear infinite}.particle:nth-child(odd){background:#fff9;animation-duration:8s}.particle:nth-child(3n){background:#0080ffb3;animation-duration:10s}@keyframes float{0%{transform:translateY(100vh) rotate(0);opacity:0}10%{opacity:1}90%{opacity:1}to{transform:translateY(-100px) rotate(360deg);opacity:0}}@media (max-width: 768px){.play-button{bottom:20px;right:20px;width:60px;height:60px;font-size:1.5rem}.space-mode .choice-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}}@media (max-width: 480px){.play-button{width:50px;height:50px;font-size:1.3rem}.space-mode .logo{text-shadow:0 0 15px rgba(0,191,255,.8),0 0 25px rgba(0,128,255,.6)}}@media (prefers-reduced-motion: reduce){.space-mode:before,.logo,.particle{animation:none}.choice-card{transition:none}}@media (prefers-contrast: high){.space-mode .choice-card{border-width:2px;background:#ffffff26}.play-button{border-width:3px;background:#0080ff4d}}