.mixgeo-challenge{position:fixed;z-index:1300;inset:76px 20px auto;display:none;grid-template-columns:minmax(230px,.72fr) minmax(360px,1.35fr) minmax(210px,.6fr);gap:12px;align-items:stretch;max-width:1320px;margin:auto;color:#f7ffff;font-family:Arial,sans-serif;pointer-events:none}.challenge-mode .mixgeo-challenge{display:grid}.challenge-card{pointer-events:auto;border:1px solid #245456;background:linear-gradient(145deg,rgba(2,8,9,.98),rgba(4,15,17,.96));box-shadow:0 18px 55px #000c,inset 0 1px #74f5ed22}.challenge-brief{padding:18px}.challenge-kicker{display:block;margin-bottom:9px;color:#5ce1df;font:800 10px/1.2 Arial;letter-spacing:.18em}.challenge-brief h1{margin:0;font:900 clamp(25px,3vw,42px)/.92 Arial;letter-spacing:-.055em}.challenge-brief h1 em{display:block;color:#f6c351;font-style:normal}.challenge-brief p{margin:12px 0;color:#a9c5c5;font-size:12px;line-height:1.5}.challenge-brief button,.challenge-results a{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:0 17px;border:0;background:#5ce1df;color:#021012;font:900 11px Arial;letter-spacing:.08em;text-decoration:none;cursor:pointer}.challenge-brief small{display:block;margin-top:10px;color:#7f9798;font-size:9px;line-height:1.45}.challenge-stage{position:relative;overflow:hidden;padding:15px 18px;background:radial-gradient(circle at 50% 110%,#173b3c 0,#030708 55%)}.challenge-stage::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 49px,#5ce1df0b 50px),repeating-linear-gradient(0deg,transparent 0 39px,#5ce1df08 40px);pointer-events:none}.challenge-hud{position:relative;display:flex;justify-content:space-between;gap:14px;color:#91acad;font-size:9px;letter-spacing:.12em}.challenge-hud strong{display:block;margin-top:4px;color:#fff;font-size:20px;letter-spacing:-.03em}.challenge-prompt{position:relative;display:grid;place-items:center;min-height:92px;margin:12px 0;border:1px solid #f6c35166;background:#050909;text-align:center}.challenge-prompt small{color:#f6c351;font-size:9px;letter-spacing:.16em}.challenge-prompt strong{display:block;margin-top:6px;font-size:clamp(22px,3vw,38px);letter-spacing:-.04em}.challenge-prompt.hit{animation:challenge-hit .35s ease}.challenge-prompt.miss{border-color:#ff5b53}.challenge-timeline{position:relative;height:8px;overflow:hidden;border-radius:10px;background:#143032}.challenge-timeline i{display:block;width:0;height:100%;background:linear-gradient(90deg,#5ce1df,#f6c351,#ff5b53)}.challenge-sequence{position:relative;display:flex;gap:6px;margin-top:10px;overflow:hidden}.challenge-sequence span{flex:1;padding:7px 4px;border:1px solid #254649;color:#729091;font:800 8px Arial;text-align:center;white-space:nowrap}.challenge-sequence span.active{border-color:#f6c351;color:#fff}.challenge-sequence span.done{border-color:#5ce1df;color:#5ce1df}.challenge-side{padding:16px}.challenge-side h2{margin:0 0 11px;font-size:12px;letter-spacing:.13em}.challenge-side ul{display:grid;gap:7px;margin:0;padding:0;list-style:none}.challenge-side li{display:flex;justify-content:space-between;padding:8px;border-bottom:1px solid #173637;color:#8da7a8;font-size:9px}.challenge-side li b{color:#fff}.challenge-reward{margin-top:12px;padding:10px;border:1px solid #6a5725;background:#171406;color:#d9cc92;font-size:9px;line-height:1.45}.challenge-results{position:fixed;z-index:1400;inset:0;display:grid;place-items:center;padding:20px;background:#000d}.challenge-results[hidden]{display:none}.challenge-results>div{width:min(560px,100%);padding:28px;border:1px solid #5ce1df;background:#03090a;box-shadow:0 24px 90px #000;text-align:center}.challenge-results small{color:#5ce1df;letter-spacing:.15em}.challenge-results h2{margin:8px 0 3px;font-size:44px}.challenge-results .stars{color:#f6c351;font-size:31px;letter-spacing:.12em}.challenge-results p{color:#a8c1c1;line-height:1.5}.challenge-results nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:18px}.challenge-results button{min-height:45px;padding:0 17px;border:1px solid #4c7374;background:#0b1b1c;color:#fff;font-weight:800;cursor:pointer}@keyframes challenge-hit{50%{transform:scale(1.025);box-shadow:0 0 32px #5ce1df66}}@media(max-width:900px){.mixgeo-challenge{grid-template-columns:1fr 1.4fr;inset:68px 10px auto}.challenge-side{display:none}}@media(max-width:620px){.mixgeo-challenge{grid-template-columns:1fr;inset:64px 8px auto}.challenge-brief{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;padding:11px}.challenge-brief p,.challenge-brief small{display:none}.challenge-brief h1{font-size:22px}.challenge-stage{padding:11px}.challenge-prompt{min-height:72px}.challenge-sequence span{font-size:7px;padding:5px 2px}}