.builder-body{background:#fff5d8}.builder-header{max-width:1080px;margin:auto;padding:20px 30px;display:flex;justify-content:space-between;align-items:center;gap:16px}.builder-main{max-width:1000px;margin:auto;padding:10px 30px 40px}.builder-main h1{font-size:clamp(34px,5vw,48px);margin:0 0 20px;color:#806296}.builder-play{position:relative;border:2px solid #e2d5e9;border-radius:28px;padding:24px;background:#fffdf8;overflow:hidden;box-shadow:0 12px 30px #65567e15}.question-area{text-align:center;position:relative;z-index:2}.question-area>p:first-child{color:#786345;font-size:16px;margin:0 0 8px}.question-area h2{font-size:clamp(27px,4vw,40px);color:#624c76;line-height:1.3;margin:0 0 18px}.fraction-diagram{display:flex;gap:3px;max-width:460px;height:64px;margin:0 auto 20px;border:3px solid #725e83;border-radius:9px;padding:3px;background:white}.fraction-diagram[hidden]{display:none}.fraction-diagram span{flex:1;background:#fff;border:1px solid #af9cbc}.fraction-diagram .shaded{background:#a3cbb1}.builder-answers{display:flex;gap:20px;justify-content:center}.builder-answers button{font-family:Fredoka,sans-serif;font-size:29px;min-width:140px;padding:14px 24px;border:3px solid #729b81;border-radius:20px;background:#ddf0df;color:#365a40;cursor:pointer;box-shadow:0 5px 0 #bad3bd}.builder-answers button:nth-child(2){background:#eee3f8;border-color:#a38db5;color:#604a75;box-shadow:0 5px 0 #d7c7e3}.builder-answers button:disabled{cursor:default;opacity:.6}.builder-answers button:focus-visible{outline:4px solid #66547d;outline-offset:5px}.builder-answers button:not(:disabled):hover{transform:translateY(-2px)}#builder-status{min-height:48px;margin:20px 0 10px;color:#65567e;font-weight:bold;font-size:17px}.building-site{width:min(100%,600px);height:auto;aspect-ratio:3/2;margin:0 auto;position:relative;background:#f0ebf4;border-radius:22px;overflow:hidden}.building-site>img:first-child{height:100%;width:100%;object-fit:contain}.build-badge{position:absolute;left:12px;bottom:12px;padding:8px 16px;border-radius:16px;background:#fffdf4ed;color:#725775;font-weight:bold;font-size:18px}.brick-stack{position:absolute;right:10%;bottom:16%;width:38%;height:96px;display:flex;flex-wrap:wrap-reverse;align-content:flex-start;gap:1px}.brick-stack img{width:19%;height:30px;object-fit:contain}.moving-brick{position:absolute;width:70px;height:45px;object-fit:contain;left:22%;top:22%;z-index:5}.moving-brick.placed{animation:brick-place .95s ease-in-out both}.moving-brick.dropped{animation:brick-drop .95s ease-in both}.building-site.hammering>img:first-child{animation:hammer-bob .3s ease-in-out 3}.builder-overlay{position:absolute;inset:0;z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:#fffaf2fa;padding:25px;overflow-y:auto}.builder-overlay[hidden]{display:none}.intro-cat{width:130px;height:180px;object-fit:contain}.builder-overlay h2{color:#806296;font-size:32px;line-height:1.2;margin:10px 0}.builder-overlay>p{max-width:650px;font-size:18px;line-height:1.6;margin:10px 0 22px}.builder-bottom{display:flex;justify-content:space-between;gap:15px;align-items:center;font-size:14px;color:#65567e;margin-top:18px}.builder-play .game-error-sign{top:190px}.builder-tile .game-picture{background:#f1eadb}.builder-cover-cat{position:absolute;height:95%;width:49%;object-fit:contain;left:0;bottom:0}.builder-cover-question{position:absolute;right:8%;top:28%;font:600 38px Fredoka,sans-serif;color:#725775}.builder-cover-answers{position:absolute;right:8%;top:57%;font-weight:bold;font-size:23px;color:#466949;background:#e0efd9;border-radius:15px;padding:10px 16px}@keyframes brick-place{to{left:63%;top:63%;transform:rotate(0deg)}}@keyframes brick-drop{40%{left:57%;top:35%;transform:rotate(15deg)}to{left:58%;top:90%;transform:rotate(65deg)}}@keyframes hammer-bob{50%{transform:translateY(-5px) rotate(-1deg)}}@media(max-width:650px){.builder-header{padding:16px}.builder-main{padding:10px 14px 30px}.builder-play{padding:16px}.building-site{height:auto}.builder-answers button{min-width:115px;font-size:26px;padding:12px 22px}.builder-overlay h2{font-size:27px}.builder-overlay>p{font-size:16px}.builder-bottom p{max-width:65%}.builder-play .game-error-sign{top:185px}.builder-cover-question{font-size:30px}}@media(prefers-reduced-motion:reduce){.moving-brick.placed,.moving-brick.dropped,.building-site.hammering>img:first-child{animation:none}.moving-brick.placed{left:63%;top:63%}.moving-brick.dropped{left:58%;top:90%}}