@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:#25355e}button{font:inherit;cursor:pointer}.screen{position:fixed;inset:0;background:url('assets/purple-lab-bg.png') center/cover no-repeat}.hidden{display:none!important}.intro{display:grid;place-items:center;padding:12px}.intro:after{content:"";position:absolute;inset:0;background:#27106b55}.intro-card{z-index:1;width:min(620px,92vw);max-height:calc(100dvh - 26px);padding:clamp(14px,2.8vh,32px);text-align:center;background:#fdf8fff1;border:5px solid #e8d9ff;border-radius:38px;box-shadow:0 12px 0 #5121a0,0 23px 50px #210b6377}.logo{font-size:clamp(53px,11vh,94px);line-height:1;animation:bob 2s ease-in-out infinite}.intro p{margin:4px;color:#ed397b;font-weight:700}.intro h1{margin:3px;font-size:clamp(34px,6.2vh,58px);line-height:1.08;color:#5932a5}.rule{display:grid;gap:5px;margin:13px auto 19px;padding:10px;border-radius:18px;background:#e5faff}.rule b{font-size:clamp(20px,3vh,28px);color:#0a8ea4}.primary{border:0;border-radius:19px;padding:clamp(9px,1.7vh,14px) 42px;background:linear-gradient(#ffdd45,#f6a41d);color:#614000;font-size:clamp(18px,2.8vh,23px);font-weight:700;box-shadow:0 7px 0 #bd6e11}.hud{position:absolute;z-index:20;top:9px;left:11px;right:11px;height:64px;display:grid;grid-template-columns:1fr minmax(230px,1.2fr) 1fr;align-items:center;gap:16px;padding:8px 15px;background:#f9f3ffed;border:3px solid #e8d9ff;border-radius:22px;box-shadow:0 6px 0 #5121a0}.brand{font-size:clamp(15px,1.7vw,23px);font-weight:700}.progress{text-align:center}.progress>div{height:9px;margin-top:4px;border-radius:7px;background:#d8cce7;overflow:hidden}.progress i{display:block;width:0;height:100%;background:linear-gradient(90deg,#31d4e4,#ef3f91);transition:.4s}.stats{display:flex;align-items:center;justify-content:flex-end;gap:9px;font-size:20px}.stats button{width:40px;height:40px;border:2px solid #dac9eb;border-radius:12px;background:#fff;box-shadow:0 3px #a486c1}.mission{position:absolute;z-index:10;top:90px;left:50%;transform:translateX(-50%);width:min(650px,90vw);padding:6px 17px 8px;text-align:center;background:#fff9fff2;border:4px solid #e5d5ff;border-radius:22px;box-shadow:0 6px 0 #eea51e}.mission strong{display:block;font-size:clamp(20px,2.4vw,29px)}.mission small{color:#665d78}.workbench{position:absolute;z-index:5;top:183px;left:4%;right:4%;bottom:3%;display:grid;grid-template-columns:4fr 1fr;gap:19px;align-items:center;padding:clamp(13px,1.8vw,25px);border:5px solid #8657c2;border-radius:32px;background:#26115ddd;box-shadow:0 13px 0 #17083b}.measure-zone{position:relative;height:min(49vh,410px);padding:20px 4%;border-radius:25px;background:linear-gradient(#e5faffee,#cfc6ffee);box-shadow:inset 0 -11px #8476b1}.dropHint{position:absolute;top:8%;left:0;right:0;text-align:center;color:#645e82;font-size:clamp(17px,2vw,24px);font-weight:600}.ruler-wrap{position:absolute;left:4%;right:4%;bottom:14%;height:142px}.ruler{position:absolute;inset:0;border:5px solid #5e451b;border-radius:9px;background:linear-gradient(#ffe885,#ffc83b);box-shadow:0 7px #7b4a18;overflow:visible}.ticks{position:absolute;inset:0}.minor{background:repeating-linear-gradient(90deg,transparent 0 calc(1% - 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@media(max-width:760px){.hud{height:56px;grid-template-columns:1fr 1fr}.brand span{display:none}.progress{position:absolute;left:24%;right:24%;top:6px;font-size:13px}.stats button{width:33px;height:33px}.mission{top:77px;padding:4px 10px}.workbench{top:159px;left:1.5%;right:1.5%;grid-template-columns:1fr;grid-template-rows:2.5fr 1fr;gap:8px;padding:8px}.measure-zone{height:100%}.tray{grid-template-columns:1fr 1.5fr;padding:6px}.object-token{min-height:66px;display:flex;gap:10px}.object-token i{font-size:50px}.ruler-wrap{height:105px}.measured-object{bottom:calc(14% + 105px);height:65px;font-size:47px}.answers{bottom:1.5%}.answers button{min-width:87px;font-size:17px}.labels{font-size:9px}}@media(max-height:650px){.intro-card{padding:8px 22px}.logo{font-size:45px}.intro h1{font-size:29px}.rule{margin:6px auto 11px}.hud{height:53px}.mission{top:73px;padding:3px}.workbench{top:141px}.measure-zone{height:325px}.ruler-wrap{height:100px}.measured-object{bottom:calc(14% + 100px);height:60px}.answers{bottom:1%}}