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progress{height:6px;flex:1;min-width:60px;margin:0}.blast-level>b{color:var(--green)}.blast-arena{position:relative;border-radius:24px;padding:22px;overflow:hidden;isolation:isolate;background:radial-gradient(ellipse at 80% 0,#285270 0,transparent 55%),radial-gradient(ellipse at 0 95%,#614f82 0,transparent 65%),#141c32;color:#f5f7ff}.blast-starfield{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;opacity:.45;background-image:radial-gradient(circle at 8% 14%,#fff 1px,transparent 2px),radial-gradient(circle at 50% 77%,#fff 1px,transparent 2px),radial-gradient(circle at 82% 42%,#fff 1px,transparent 2px);background-size:139px 113px,97px 181px,181px 147px;animation:blastStars 24s linear infinite}.blast-question{padding:0 0 18px;animation:blastQuestion .25s ease-out}.blast-question-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}.blast-question-meta>span{font-size:9px;letter-spacing:.12em;color:#ccd6ee}.blast-question-meta 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var(--shot))}.blast-inline-feedback{min-height:45px;display:flex;align-items:center;justify-content:center;gap:10px;text-align:center;margin-top:4px;padding:10px;color:#d4dcef;font-size:12px;border-radius:12px}.blast-inline-feedback.is-correct{color:#a1f3c3;background:#36cc8f18}.blast-inline-feedback.is-wrong{color:#ffc1d0;background:#ed477818}.blast-inline-feedback>b{margin-left:auto;font-size:19px}.blast-inline-feedback>span{overflow-wrap:anywhere}.blast-answer{margin-top:18px}.blast-answer>label{display:block;font-size:12px;margin-bottom:8px;color:var(--text)}.blast-answer>div{display:flex;gap:8px}.blast-answer input{min-width:0;flex:1}.blast-answer .primary{flex-shrink:0}.crystal-moves{margin-left:auto}.crystal-moves span{font-size:11px}.crystal-overload{display:flex;align-items:center;gap:8px;color:var(--text);font-size:11px;margin:18px 0}.crystal-overload progress{min-width:0;flex:1;height:7px;margin:0}.crystal-overload>svg{color:var(--green)}.crystal-overload small{font-variant-numeric:tabular-nums}.crystal-panel{width:100%;max-width:430px;margin-inline:auto;box-sizing:border-box;border:1px solid var(--border);border-radius:24px;padding:15px;background:var(--surface);box-shadow:0 10px 32px #00000005}.crystal-board{position:relative;width:100%;aspect-ratio:6/9;background:var(--surface2);border-radius:15px;overflow:hidden}.crystal-tile{position:absolute;left:calc(var(--col)*100%/6);top:calc(var(--row)*100%/9);width:calc(100%/6);height:calc(100%/9);padding:3px;margin:0;border:0;border-radius:10px;background:none;opacity:1!important;touch-action:none;-webkit-user-select:none;user-select:none}.crystal-motion{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:color-mix(in srgb,var(--surface) 55%,transparent);border:2px solid transparent;border-radius:8px}.crystal-in-motion{animation:crystalMove .24s 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.crystal-gem{--gem:#f3cc76;clip-path:polygon(50% 0,100% 88%,0 88%)}.crystal-kind-5 .crystal-gem{--gem:#7ed4dd;border-radius:50%;clip-path:none}.crystal-kind--1 .crystal-gem{--gem:#8b8e99;border-radius:25% 37% 28% 40%;clip-path:polygon(25% 0,75% 8%,100% 40%,83% 90%,40% 100%,3% 70%,0 30%);box-shadow:inset 5px 5px #ffffff15,inset -5px -5px #0003}.crystal-selected .crystal-motion{border-color:var(--green);background:var(--green-soft);box-shadow:0 0 0 1px var(--green)}.crystal-hint .crystal-gem{animation:crystalHint 1s ease-in-out infinite}.crystal-clearing .crystal-gem{animation:crystalPop .23s forwards}.crystal-blasting .crystal-motion{animation:crystalBlast .23s forwards}.crystal-bottom{display:flex;align-items:center;gap:10px;padding:12px 0 0;min-height:57px}.crystal-bottom>p{flex:1;min-width:0;margin:0;font-size:11px;line-height:1.6;color:var(--text)}.crystal-bottom .icon-button{flex-shrink:0}.crystal-reward{display:flex;align-items:center;gap:10px;padding:10px 14px;margin-bottom:16px;color:var(--text);background:var(--green-soft);border-radius:14px}.crystal-reward>svg{color:var(--green)}.crystal-reward>strong{font-size:24px}.crystal-reward>span{font-size:12px}.crystal-question-refresh{display:flex;align-items:center;justify-content:center;gap:8px;margin:16px auto 0}.crystal-question .choice:disabled{opacity:1}.crystal-question .choice.crystal-answer-correct{border-color:#31916a;background:#cdeada;color:#153e2e}.crystal-question .choice.crystal-answer-wrong{border-color:#c74864;background:#ffe0e7;color:#752239}.arcade-result-symbol{display:inline-flex;align-items:center;justify-content:center;width:90px;height:90px;border-radius:30px;background:var(--green-soft);color:var(--green);margin-bottom:20px}.arcade-result .eyebrow{display:block;margin-bottom:10px}.arcade-final-score{display:block;font-size:64px;margin:20px 0 16px;color:var(--text)}.arcade-final-score small{display:block;font-size:13px;font-weight:400}.arcade-result-record{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--text);margin-bottom:24px}.blast-result-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px auto;max-width:420px}.blast-result-stats>div{background:var(--surface2);padding:15px 8px;border-radius:16px;display:flex;flex-direction:column;gap:7px}.blast-result-stats strong{font-size:25px;color:var(--text)}.blast-result-stats span{font-size:11px;line-height:1.5;color:var(--text)}.blast-answer-review{text-align:left;margin:30px auto 0;padding:17px;border:1px solid var(--border);border-radius:18px;max-width:450px;color:var(--text)}.blast-answer-review summary{cursor:pointer;font-weight:600;font-size:14px}.blast-answer-review ul{list-style:none;padding:0;margin:14px 0}.blast-answer-review li{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--border);font-size:13px;line-height:1.6}.blast-answer-review li>span,.blast-answer-review li>strong{min-width:0;overflow-wrap:anywhere}.blast-answer-review p{font-size:12px;margin:14px 0 0}@keyframes blastFloat{0%,to{transform:translate(0) rotate(-2deg)}50%{transform:translate(4px,8px) rotate(2deg)}}@keyframes blastDriftA{0%,to{transform:translate(calc(-12px * var(--rock-drift-x,1)),calc(-17px * var(--rock-drift-y,1)))}25%{transform:translate(calc(11px * var(--rock-drift-x,1)),calc(-5px * var(--rock-drift-y,1)))}50%{transform:translate(calc(5px * var(--rock-drift-x,1)),calc(19px * var(--rock-drift-y,1)))}75%{transform:translate(calc(-8px * var(--rock-drift-x,1)),calc(6px * var(--rock-drift-y,1)))}}@keyframes blastDriftB{0%,to{transform:translate(calc(11px * var(--rock-drift-x,1)),calc(15px * var(--rock-drift-y,1)))}25%{transform:translate(calc(-3px * var(--rock-drift-x,1)),calc(19px * var(--rock-drift-y,1)))}50%{transform:translate(calc(-12px * var(--rock-drift-x,1)),calc(-9px * var(--rock-drift-y,1)))}75%{transform:translate(calc(7px * var(--rock-drift-x,1)),calc(-18px * var(--rock-drift-y,1)))}}@keyframes blastDriftC{0%,to{transform:translate(calc(-7px * var(--rock-drift-x,1)),calc(18px * var(--rock-drift-y,1)))}25%{transform:translate(calc(-12px * var(--rock-drift-x,1)),calc(-7px * var(--rock-drift-y,1)))}50%{transform:translate(calc(10px * var(--rock-drift-x,1)),calc(-18px * var(--rock-drift-y,1)))}75%{transform:translate(calc(12px * var(--rock-drift-x,1)),calc(6px * var(--rock-drift-y,1)))}}@keyframes blastStars{to{background-position:0 113px,0 181px,0 147px}}@keyframes blastQuestion{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}@keyframes blastShake{25%{transform:translate(-5px)}75%{transform:translate(5px)}}@keyframes blastDestroy{0%{transform:scale(1)}30%{transform:scale(1.15);filter:brightness(1.6)}to{transform:scale(.35);opacity:0}}@keyframes blastBurst{0%{transform:scale(.3);opacity:1}to{transform:scale(1.5);opacity:0}}@keyframes blastFlame{to{transform:scaleY(.7)}}@keyframes blastShotFade{0%,45%{opacity:1}to{opacity:0}}@keyframes blastShotTravel{0%{stroke-dashoffset:1000}to{stroke-dashoffset:0}}@keyframes blastShotImpact{0%{transform:scale(.25);opacity:1}to{transform:scale(1.8);opacity:0}}@keyframes crystalMove{0%{transform:translate(calc(var(--from-x)*100%),calc(var(--from-y)*100%))}to{transform:none}}@keyframes crystalPop{0%{transform:scale(1);opacity:1}45%{transform:scale(1.18);filter:brightness(1.4)}to{transform:scale(.1);opacity:0}}@keyframes crystalBlast{50%{background:#ffe8b8;box-shadow:0 0 12px #ffd36b}to{background:transparent}}@keyframes crystalHint{50%{transform:scale(.86) rotate(-5deg);filter:brightness(1.2)}}@media(max-width:600px){.arcade-hud{gap:12px}.arcade-score strong{font-size:32px}.arcade-record{font-size:12px}.blast-arena{padding:16px 12px;border-radius:20px}.blast-asteroids{gap:40px 30px;padding:23px 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