:root{font-size:16px}main{max-width:1120px}header{padding:14px max(20px,calc((100% - 1080px)/2))}nav{gap:7px;margin-bottom:20px;flex-wrap:wrap}nav button{padding:10px 14px;font-size:14px}h1{font-size:30px}.exp-options{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin:14px 0}.exp-options label,.motion{font-size:14px;display:flex;gap:7px;align-items:center}.exp-options input,.motion input{width:18px;height:18px}.exp-milestone{display:flex;justify-content:space-between;align-items:center;background:#162440;color:#dceaff;padding:10px 14px;border-radius:10px;gap:10px;font-size:14px;margin:14px 0}.exp-milestone button{font-size:14px;padding:7px 10px;min-height:36px}.goal{display:none}.metrics{padding:10px}.metrics strong{font-size:29px}#target{font-size:24px;min-height:112px;height:130px}#typing{margin-top:8px;height:56px}#playPanel{padding:22px}#minePanel,#museumPanel{background:#fff;border:1px solid #d7dfed;border-radius:18px;padding:24px}.exp-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.eyebrow{font-size:13px;letter-spacing:.14em;font-weight:700;color:#5c6c87;margin:0 0 8px}.tool-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}.tool{padding:8px;text-align:center}.tool>span:last-child{display:block;font-size:14px}.tool.selected{border:2px solid var(--accent);background:#edf4ff}.pickaxe{display:block;width:90px;height:80px;margin:auto;background-image:url('assets/pickaxes.png');background-size:200% 200%;background-repeat:no-repeat}.pick-0{background-position:0 0}.pick-1{background-position:100% 0}.pick-2{background-position:0 100%}.pick-3{background-position:100% 100%}.dig-site{background:#111f33;color:#e5ecf6;border-radius:14px;padding:24px}.dig-site .eyebrow{color:#f1c475}.dig-site h2{margin:0 0 8px;font-size:28px}.dig-site p{margin:10px 0}.skeleton{position:relative;width:100%;max-width:570px;aspect-ratio:1.5;margin:0 auto;isolation:isolate}.skeleton img{display:block;width:100%;height:100%;object-fit:contain}.silhouette{filter:brightness(0) invert(1);opacity:.13}.fossil-reveal{position:absolute;inset:0}.part-grid{position:absolute;inset:10% 0 10%;display:grid;grid-template-columns:repeat(6,1fr);pointer-events:none}.part-grid span{border-right:1px dashed #ffffff18}.part-grid .found{border-color:transparent}.fossil-count{position:absolute;bottom:0;left:0;margin:0!important;font-size:14px;color:#d9e8fb}.dig-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.dig-grid button{background:#24394f;color:#fff;border:1px dashed #8eacc6;min-height:65px}.unlock-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.unlock-grid article{background:#f0f4fa;border-radius:12px;padding:16px}.unlock-grid h3{margin:0;font-size:18px}.unlock-grid small{font-size:14px;display:block;margin-bottom:12px}.unlock-grid button{width:100%;font-size:14px}.museum-room{background:#15283e;border-radius:16px;padding:22px;color:white;margin:18px 0}.museum-room.amber{background:#412f1c}.museum-room.teal{background:#123b3e}.museum-room h2{margin:0;font-size:23px}.museum-room.stone{border-bottom:16px solid #8495a5}.museum-room.gold{border-bottom:16px solid #bf973d}.museum-collection{display:grid;grid-template-columns:1fr 1fr;gap:20px}.museum-room a{color:#bedcfa}.museum-room small{font-size:13px;color:#c4d3e3}.museum-looks{display:flex;flex-wrap:wrap;gap:10px}.museum-looks button{font-size:14px}.ghost-row{display:grid;grid-template-columns:110px 1fr 40px;gap:10px;align-items:center;font-size:14px}meter{width:100%;height:16px}.ghost-row b{text-align:right}#ghostPanel{background:#edf3fb;padding:12px;border-radius:8px;margin:12px 0}.exp-challenge{margin:12px 0;font-size:14px}.exp-challenge label{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.exp-challenge select{font-size:14px;padding:7px}.exp-challenge p{margin:6px 0}.training-notice{background:#e3f1ef;padding:16px;border-radius:10px}.with-motion .fossil-reveal{transition:clip-path .4s ease}#digMessage:focus{outline:2px solid #f1c475;outline-offset:6px}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media(max-width:700px){.tool-strip{grid-template-columns:repeat(2,1fr)}.unlock-grid,.museum-collection{grid-template-columns:1fr}.exp-milestone{align-items:start}.pickaxe{width:75px;height:67px}.dig-site,#museumPanel,#minePanel{padding:16px}.dig-grid{gap:6px}.dig-grid button{font-size:14px;padding:8px}.exp-heading{align-items:start}.museum-room{padding:16px}.exp-options{gap:10px}.ghost-row{grid-template-columns:95px 1fr 32px}header{gap:12px}#wallet{font-size:14px}}
/* Compact school view: the writing surface and Start stay above the fold. */
@media(min-width:701px){main{margin-top:16px}nav{margin-bottom:14px}#playPanel{padding:18px}#playPanel h1{margin:7px 0}#hint{margin-bottom:8px}.exp-options{margin:8px 0}.metrics{padding:8px}#target{height:112px;min-height:112px;padding:14px}.exp-milestone{margin:14px 0 6px}}
@media(min-width:850px){.dig-site{display:grid;grid-template-columns:1fr 1.15fr;column-gap:28px;align-items:start}.dig-site>.eyebrow{grid-column:1}.dig-site>h2,.dig-site>p:not(#digMessage){grid-column:1}.dig-site>.skeleton{grid-column:2;grid-row:1 / span 6;max-width:450px}.dig-site>#digActions,.dig-site>#digMessage{grid-column:1}.dig-grid{grid-template-columns:1fr}.dig-grid button{min-height:44px}.tool-strip{margin:14px 0}}
.slate-found .museum-room{box-shadow:0 10px 0 #637182}.crystal-found .museum-room{outline:2px solid #67c4d3;outline-offset:4px}.with-motion button{transition:background-color .15s ease}
@media(min-width:701px){main{margin-top:16px}nav{margin-bottom:14px}#playPanel{padding:18px}#playPanel h1{margin:7px 0}#hint{margin-bottom:8px}.exp-options{margin:8px 0}.metrics{padding:8px}#target{height:112px;min-height:112px;padding:14px}.exp-milestone{margin:14px 0 6px}}