@import url('https://fonts.googleapis.com/css2?family=Mitr:wght@400;500;600;700&display=swap');*{box-sizing:border-box}html,body,#app,.screen{width:100%;height:100%;margin:0;overflow:hidden}body{font-family:"Mitr",system-ui,sans-serif;color:#203d58}button{font:inherit;cursor:pointer}.screen{position:fixed;inset:0;background:url('assets/pixel-platform-bg.png') center/cover no-repeat;image-rendering:auto}.hidden{display:none!important}.intro{display:grid;place-items:center;padding:12px}.intro:after{content:"";position:absolute;inset:0;background:#188dd033}.intro-card{z-index:1;width:min(600px,92vw);max-height:calc(100dvh - 24px);padding:clamp(10px,2.2vh,25px);text-align:center;background:#fffdf0f1;border:5px solid #fff;border-radius:32px;box-shadow:0 11px 0 #27669a,0 22px 46px #16496f77}.logo{font-size:clamp(46px,9vh,78px);line-height:1}.intro p{margin:3px;color:#e55942;font-weight:700}.intro h1{margin:2px;font-size:clamp(32px,5.7vh,52px);line-height:1.05;color:#276a9c}.sample{display:inline-block;position:relative;min-width:130px;margin:7px 15px;padding:5px 21px;border-radius:15px;background:#e9f8ff;font-size:24px;line-height:1.05;text-align:right}.sample small{position:absolute;left:8px;top:8px;font-size:11px}.sample sup{color:#e94d42}.sample hr{margin:3px 0;border:0;border-top:3px solid #25445b}.sample strong{color:#278653}.intro-card>span{display:block;margin-bottom:12px}.primary{border:0;border-radius:18px;padding:clamp(8px,1.5vh,12px) 40px;background:linear-gradient(#ffd847,#f4a31b);color:#604000;font-size:clamp(17px,2.6vh,22px);font-weight:700;box-shadow:0 6px 0 #bd7010}.hud{position:absolute;z-index:20;top:8px;left:10px;right:10px;height:62px;display:grid;grid-template-columns:1fr minmax(230px,1.2fr) 1fr;align-items:center;gap:15px;padding:7px 14px;background:#fffdf1ed;border:3px solid #fff;border-radius:21px;box-shadow:0 6px 0 #27669a}.brand{font-size:clamp(14px,1.6vw,22px);font-weight:700}.progress{text-align:center}.progress>div{height:8px;margin-top:4px;border-radius:7px;background:#d4e3e5;overflow:hidden}.progress i{display:block;width:0;height:100%;background:linear-gradient(90deg,#47c8e8,#87df54);transition:.4s}.stats{display:flex;align-items:center;justify-content:flex-end;gap:8px;font-size:19px}.stats button{width:38px;height:38px;border:2px solid #c3dce5;border-radius:11px;background:#fff;box-shadow:0 3px #8bafbc}.mission{position:absolute;z-index:10;top:87px;left:50%;transform:translateX(-50%);width:min(620px,90vw);padding:6px 17px 8px;text-align:center;background:#fffdf2f3;border:4px solid #fff;border-radius:21px;box-shadow:0 6px 0 #e6a126}.mission strong{display:block;font-size:clamp(19px,2.2vw,27px)}.mission small{color:#577486}.addition-panel{position:absolute;z-index:8;top:175px;left:34%;transform:translateX(-50%);width:min(390px,44vw);padding:13px 42px 21px;border:5px solid #fff;border-radius:28px;background:#f9fff1ee;box-shadow:0 11px 0 #3d8553;text-align:right}.place-labels{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;color:#547166;font-size:14px}.carry-row{height:57px;display:grid;grid-template-columns:1fr 1fr 1fr;place-items:center}.carry-row small{grid-column:1;font-weight:600;color:#e25443}.carry-row .carry{grid-column:2}.digit{width:68px;height:62px;border:4px dashed #34779a;border-radius:13px;background:#fff;color:#21415c;font-size:32px;font-weight:700}.digit.active{outline:6px solid #ffd33e;background:#fff9d8}.digit.disabled{border-style:solid;background:#d9e5df;color:#879b91}.number-row{display:grid;grid-template-columns:repeat(3,1fr);place-items:center;height:67px;font-size:49px;font-weight:700}.number-row span{width:68px;text-align:center}.second{position:relative}.second>b{position:absolute;left:-12px;color:#e84f42}.second>div{width:100%;display:grid;grid-template-columns:repeat(3,1fr);place-items:center}.line{height:5px;margin:1px 0 9px;background:#25465c;border-radius:4px}.result-row{display:grid;grid-template-columns:repeat(3,1fr);place-items:center}.input-panel{position:absolute;z-index:8;top:190px;left:69%;transform:translateX(-50%);width:min(340px,38vw);padding:18px;border:5px solid #fff;border-radius:27px;background:#fff8e9ed;box-shadow:0 11px 0 #b16a25;text-align:center}.keypad{display:grid;grid-template-columns:repeat(3,72px);justify-content:center;gap:8px}.keypad button{height:50px;border:3px solid #fff;border-radius:11px;background:#e4f6ff;color:#22516b;font-size:21px;font-weight:700;box-shadow:0 4px #79aabd}.keypad .clear{font-size:13px;background:#ffe4da}.check{margin-top:15px;padding:10px 35px;border:3px solid #fff;border-radius:14px;background:linear-gradient(#53d779,#24a94f);color:#fff;font-size:19px;font-weight:700;box-shadow:0 5px #18743a}.tower-progress{position:absolute;z-index:7;left:8%;right:8%;bottom:2%;text-align:right}.tower-progress>div{height:15px;border:3px solid #fff;border-radius:10px;background:#a55e39;overflow:hidden}.tower-progress i{display:block;width:0;height:100%;background:#79db50;transition:.5s}.tower-progress small{padding:2px 7px;border-radius:7px;background:#fff}.toast{position:absolute;z-index:40;left:50%;top:50%;transform:translate(-50%,-50%) scale(.7);opacity:0;padding:13px 28px;border-radius:27px;background:#fff;font-size:28px;font-weight:700;pointer-events:none}.toast.show{animation:toast .85s}.modal{position:fixed;z-index:99;inset:0;display:grid;place-items:center;padding:20px;background:#16527c99;backdrop-filter:blur(7px)}.modal-card{width:min(550px,92vw);padding:31px;text-align:center;background:#fffdf0;border:5px solid #fff;border-radius:34px;box-shadow:0 12px 0 #27669a}.modal-card>div{font-size:73px}.modal h2{margin:0;font-size:clamp(33px,5vw,56px);color;color:#236d9f}.modal p{font-size:19px}@keyframes toast{20%,75%{opacity:1;transform:translate(-50%,-50%) scale(1)}}
@media(max-width:750px){.hud{height:55px;grid-template-columns:1fr 1fr}.brand span{display:none}.progress{position:absolute;left:24%;right:24%;top:5px;font-size:13px}.stats button{width:32px;height:32px}.mission{top:75px}.addition-panel{top:155px;left:28%;width:51vw;padding:8px 15px}.input-panel{top:165px;left:74%;width:43vw;padding:10px}.keypad{grid-template-columns:repeat(3,48px);gap:5px}.keypad button{height:39px}.digit,.number-row span{width:50px}.digit{height:48px}.number-row{font-size:36px;height:52px}.carry-row{height:46px}}@media(max-height:650px){.intro-card{padding:7px 20px}.logo{font-size:41px}.intro h1{font-size:28px}.sample{margin:4px}.hud{height:52px}.mission{top:72px;padding:3px}.addition-panel{top:140px;padding-top:6px}.input-panel{top:145px}.keypad button{height:35px}.check{margin-top:8px;padding:6px 28px}.number-row{height:49px}.digit{height:45px}.carry-row{height:42px}}