:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;padding:0;overflow:hidden}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}button:hover,button:focus,button:focus-visible{outline:none;border-color:inherit}.scene{width:100vw;height:100vh;display:flex;flex-direction:column;position:relative}.sky{flex:2;background:linear-gradient(to bottom,#3a9ae8,#50adf0,#87ceeb);position:relative;overflow:hidden}.cloud{position:absolute;background:#fff;border-radius:50px;opacity:.85}.cloud:before,.cloud:after{content:"";position:absolute;background:#fff;border-radius:50%}.cloud-1{width:140px;height:36px;top:70%;left:-200px;animation:drift 90s linear infinite;animation-delay:0s}.cloud-1:before{width:62px;height:62px;top:-31px;left:18px}.cloud-1:after{width:44px;height:44px;top:-22px;left:62px}.cloud-2{width:175px;height:44px;top:30%;left:-200px;animation:drift 90s linear infinite;animation-delay:-18s}.cloud-2:before{width:80px;height:80px;top:-40px;left:22px}.cloud-2:after{width:58px;height:58px;top:-29px;left:80px}.cloud-3{width:115px;height:30px;top:60%;left:-200px;animation:drift 90s linear infinite;animation-delay:-36s}.cloud-3:before{width:48px;height:48px;top:-24px;left:13px}.cloud-3:after{width:35px;height:35px;top:-18px;left:48px}.cloud-4{width:120px;height:30px;top:45%;left:-200px;animation:drift 90s linear infinite;animation-delay:-54s}.cloud-4:before{width:54px;height:54px;top:-27px;left:15px}.cloud-4:after{width:38px;height:38px;top:-19px;left:54px}.cloud-5{width:155px;height:40px;top:20%;left:-200px;animation:drift 90s linear infinite;animation-delay:-72s}.cloud-5:before{width:65px;height:65px;top:-33px;left:18px}.cloud-5:after{width:48px;height:48px;top:-24px;left:65px}@keyframes drift{0%{transform:translate(0)}to{transform:translate(calc(100vw + 250px))}}.dark .cloud{display:none}@keyframes twinkle{50%,to{opacity:1}75%{opacity:.2}}.star{display:none;position:absolute;width:5px;height:5px;border-radius:50%;background:#fff7a0;box-shadow:0 0 6px 3px #fff76466,0 0 12px 5px #fff76426}.dark .star{display:block;animation:twinkle 6s ease-in-out infinite}.dark .star:nth-child(odd){animation-duration:5s;animation-delay:-1.5s}.dark .star:nth-child(2n){animation-duration:7.5s;animation-delay:-3s}.star-moon{top:260px;left:55px;width:7px;height:7px}.celestial{position:absolute;border-radius:50%;top:-120px;left:-120px;width:300px;height:300px;background-color:#fff198;box-shadow:0 0 60px 30px #fff05066,0 0 120px 60px #ffdc3233}.dark .sky{background:linear-gradient(to bottom,#001a6e,#003ba8,#1a5276)}.dark .ground{background:linear-gradient(to bottom,#085d00,#054000)}.dark .celestial{top:60px;left:80px;width:180px;height:180px;background-color:#ffffffb3;box-shadow:0 0 30px 10px #ffffff26,0 0 60px 20px #ffffff12}.top-controls{position:absolute;top:16px;right:16px;display:flex;gap:8px;z-index:10}.mode-toggle,.music-toggle{background:#ffffff40;border:1px solid rgba(255,255,255,.5);border-radius:20px;font-family:system-ui,sans-serif;color:#00000080;cursor:pointer}.mode-toggle{padding:4px 14px;font-size:13px}.music-toggle{padding:4px 10px;font-size:16px;position:relative;overflow:hidden}.music-toggle.muted:after{content:"";position:absolute;top:50%;left:50%;width:130%;height:2px;background:#00000080;transform:translate(-50%,-50%) rotate(-45deg)}.label{position:absolute;top:16px;left:16px;font-size:14px;color:#00000073;font-family:system-ui,sans-serif}.ground{flex:1;background:linear-gradient(to bottom,#a8f5a0,#5cc85c);position:relative}.tree{position:absolute;width:1px;z-index:1}.tree:before{content:"";position:absolute;bottom:14px;left:-16px;width:0;height:0;border-left:16px solid transparent;border-right:16px solid transparent;border-bottom:38px solid #6abf6a}.tree:after{content:"";position:absolute;bottom:0;left:-5px;width:7px;height:15px;background:#a07850}.tree-1{left:4%;bottom:33.2%;transform:scale(1)}.tree-2{left:8%;bottom:33.2%;transform:scale(.75)}.tree-3{left:90%;bottom:33.2%;transform:scale(.85)}.tree-4{left:94%;bottom:33.2%;transform:scale(1.1)}.dark .tree:before{border-bottom-color:#1f5c1f}.dark .tree:after{background:#4a3018}.dialog-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}@keyframes shake{0%{transform:scale(.6) translate(0)}15%{transform:scale(.6) translate(-12px)}30%{transform:scale(.6) translate(12px)}45%{transform:scale(.6) translate(-8px)}60%{transform:scale(.6) translate(8px)}75%{transform:scale(.6) translate(-4px)}90%{transform:scale(.6) translate(4px)}to{transform:scale(.6) translate(0)}}.dialog-outer.shaking{animation:shake .4s ease}@keyframes close-dialog{0%{transform:scale(.6);opacity:1}to{transform:scale(0);opacity:0}}.dialog-outer.closing{animation:close-dialog .35s ease forwards}.dialog-outer{min-width:846px;max-width:900px;min-height:470px;transform:scale(.6);transform-origin:center;background-color:#eb84f3;border:5px solid #780080;border-radius:15px;box-shadow:10px 10px 4px #00000059;display:flex;flex-direction:column;align-items:center;padding:14px 20px 50px;box-sizing:border-box;gap:28px}.dialog-titlebar{width:100%;display:flex;justify-content:flex-end;gap:24px}.dialog-control{width:50.17px;height:50.14px;background-color:#ffedfb;border:3px solid #780080;border-radius:10px;box-shadow:4px 4px 4px #0000004d;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer}.minus-line{width:26px;height:3px;background-color:#dc9090;border-radius:2px}.x-line{position:absolute;width:28px;height:3px;background-color:#dc9090;border-radius:2px}.x1{transform:rotate(-43.54deg)}.x2{transform:rotate(-136.46deg)}.dialog-inner{width:calc(100% - 80px);min-height:320px;background-color:#fddeff;border:4px solid #670B6E;border-radius:15px;box-shadow:7px 7px 4px #0000004d;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:60px;padding:40px 20px;box-sizing:border-box}.dialog-text{font-family:DotGothic16,monospace;font-size:35px;color:#000;text-align:center;margin:0;line-height:1.5;letter-spacing:.04em}.dialog-actions{display:flex;gap:80px}.dialog-btn{background-color:#fddeff;border:3px solid rgba(0,0,0,.35);border-radius:5px;box-shadow:5px 5px 4px #0000004d;font-family:system-ui,sans-serif;font-size:24px;letter-spacing:-.07em;color:#00000059;padding:7px 54px;cursor:pointer;transition:transform .08s ease,box-shadow .08s ease}.dialog-btn:active{transform:translate(5px,5px);box-shadow:none}@media(max-width:600px){@keyframes shake{0%{transform:translate(0)}15%{transform:translate(-10px)}30%{transform:translate(10px)}45%{transform:translate(-6px)}60%{transform:translate(6px)}75%{transform:translate(-3px)}90%{transform:translate(3px)}to{transform:translate(0)}}@keyframes close-dialog{0%{transform:scale(1);opacity:1}to{transform:scale(0);opacity:0}}.dialog-outer{margin-bottom:18vh;min-width:0;width:95vw;max-width:95vw;min-height:0;transform:none;padding:8px 12px 20px;gap:12px;border-width:2px;border-radius:8px;box-shadow:6px 6px 3px #00000059}.dialog-inner{width:calc(100% - 24px);min-height:0;gap:30px;padding:18px 12px;border-width:1px;border-radius:8px;box-shadow:4px 4px 3px #0000004d}.dialog-text{font-size:17px}.dialog-actions{gap:14px}.dialog-btn{font-size:13px;padding:5px 14px;border-width:2px;box-shadow:3px 3px 3px #0000004d;white-space:nowrap}.dialog-control{width:22px;height:22px;border-width:1px;border-radius:5px;box-shadow:2px 2px 3px #0000004d}.minus-line{width:11px;height:2px}.x-line{width:12px;height:2px}.dialog-titlebar{gap:8px}.mode-toggle{padding:5px 14px;font-size:13px}.music-toggle{padding:5px 11px;font-size:16px}.sky{flex:3}.ground{flex:1.5}.tree{display:none}.celestial{width:180px;height:180px;top:-72px;left:-72px;box-shadow:0 0 36px 18px #fff05066,0 0 72px 36px #ffdc3233}.dark .celestial{width:110px;height:110px;top:36px;left:48px}}