*{box-sizing:border-box}body{margin:0;background:#f4f4e9;color:#183f35;font-family:system-ui,sans-serif}main{max-width:860px;margin:auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;gap:12px}h1{font-size:clamp(24px,5vw,36px);margin:5px 0 20px;letter-spacing:-1px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:1.7px}.treasure{background:#fff1b3;padding:12px 18px;border-radius:18px;font-size:23px;white-space:nowrap}.journey{display:flex;align-items:center;gap:24px;padding:20px 28px;background:#176551;color:white;border-radius:24px;overflow:hidden}.journey img{width:140px;height:160px;object-fit:contain;filter:drop-shadow(0 8px 6px #002a2633)}h2{margin:7px 0;font-size:24px}.journey p{color:#d1e9d7;font-size:14px;line-height:1.5}#trail{display:flex;gap:6px;margin-top:18px}.step{height:12px;flex:1;background:#ffffff30;border-radius:5px}.step.done{background:#f5cd58}.settings{display:flex;gap:16px;flex-wrap:wrap;margin:22px 0}label{font-size:12px;font-weight:750;display:grid;gap:6px;flex:1}select{width:100%;font:inherit;font-size:15px;padding:12px;border:1px solid #cfdbcc;border-radius:12px;color:#183f35;background:#fff}.challenge{background:#fff;border-radius:24px;padding:28px;box-shadow:0 8px 0 #e3e7d6}.task-top{display:flex;justify-content:space-between;gap:8px;font-size:12px;font-weight:750;color:#648376}#question{font-size:clamp(28px,7vw,46px);margin:28px 0 10px;line-height:1.25}#question.story{font-size:25px}#hint{color:#6a7e70;min-height:24px;line-height:1.5}#answers{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}button{font-family:inherit;cursor:pointer;touch-action:manipulation}#answers button{border:2px solid #dce6d5;border-radius:16px;background:#f6f9f0;color:#214c3f;min-height:66px;font-size:28px;font-weight:800;box-shadow:0 4px 0 #dce6d5}#answers button:active{transform:translateY(3px);box-shadow:none}#answers button.correct{background:#d3f3ac;border-color:#76b545}#answers button.wrong{background:#fff0d9;border-color:#edb66a}#feedback{min-height:40px;line-height:1.45;font-weight:650;margin:24px 0 0}#next{width:100%;border:0;background:#176551;color:#fff;border-radius:14px;padding:16px;margin-top:16px;font-size:17px;font-weight:800}.footnote{text-align:center;color:#77806c;font-size:12px;line-height:1.6;margin:22px 10px}@media(max-width:500px){main{padding:16px}.journey{padding:16px;gap:12px}.journey img{width:90px;height:132px}.journey h2{font-size:19px}.challenge{padding:20px}.settings{gap:10px}#trail{gap:4px}.journey p{font-size:12px}h1{margin-bottom:16px}}

#source{font-size:12px;line-height:1.5;color:#66746a}#source a{color:#176551}#answers button{overflow-wrap:anywhere;padding:12px}#question.story{font-size:22px}select:disabled{opacity:.5}

.game-modes{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 18px}.game-modes button{padding:14px 8px;border:2px solid #cbdac9;border-radius:14px;background:white;color:#184b3b;font-size:16px;font-weight:800;min-height:76px}.game-modes button span{display:block;font-size:11px;font-weight:500;margin-top:5px}.game-modes #olympMode{background:#fff0c8;border-color:#dbac44;color:#654208}.game-modes button[aria-pressed="true"]{box-shadow:inset 0 -5px 0 #176551}.game-modes #olympMode[aria-pressed="true"]{box-shadow:inset 0 -5px 0 #976312}.challenge{scroll-margin-top:12px}

[hidden]{display:none!important}#gradeChoice{margin-bottom:22px;font-size:16px;gap:10px}#olympGrade{font-size:18px;background:#fff0c8;border:2px solid #dbac44}