.drill-room{max-width:1040px;margin:auto}.drill-mission{display:flex;gap:16px;flex-wrap:wrap;align-items:center;background:#fff3c5;border:2px solid #e5c265;border-radius:18px;padding:14px 18px}.drill-instruction{font-size:1.1rem;margin:22px 0 18px}.drill-tunnel{background:linear-gradient(160deg,#203d56,#102636);border:9px solid #bf8a48;border-radius:30px;overflow:hidden;padding:32px 20px 12px;box-shadow:inset 0 0 70px #031629}.drill-sequence{display:flex;justify-content:center;gap:12px;align-items:center}.ore-tile{width:100px;aspect-ratio:1;background:#ffffff14;border:2px solid #7996a688;border-radius:16px;display:grid;place-items:center}.ore-tile svg{width:100%;height:100%}.ore-tile.missing{border:3px dashed #ffe07c;color:#ffe07c;font-size:3rem;font-weight:900}.drill-route{height:210px;position:relative}.drill-route-line{position:absolute;left:5%;right:5%;bottom:24px;border-bottom:7px dashed #b9a273}.drill-car{position:absolute;left:0;bottom:15px;width:240px;height:185px;transition:transform 1.4s ease-in-out}.drill-car svg{width:100%;height:100%}.drill-cleared .drill-car{transform:translateX(min(52vw,570px))}.drill-goal{position:absolute;right:15px;top:35px;color:#e6fff1;font-weight:800;padding:8px 16px;background:#267d67;border-radius:14px}.drill-choices{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:650px;margin:24px auto}.drill-choices button{border:3px solid #b1c7bf;background:#fffef4;border-radius:20px;padding:10px;display:grid;justify-items:center;min-height:138px;font-weight:800}.drill-choices svg{width:90px;height:90px}.drill-feedback{font-weight:800;text-align:center;color:#16654c;min-height:30px}.drill-hint{text-align:center;background:#fff1bd;padding:14px;border-radius:14px}
@media(max-width:600px){.drill-mission{font-size:.875rem;gap:9px}.drill-instruction{font-size:1rem}.drill-tunnel{border-width:5px;padding:22px 8px 8px}.drill-sequence{gap:5px}.ore-tile{min-width:0;flex:1;border-radius:10px}.ore-tile.missing{font-size:2rem}.drill-route{height:170px}.drill-car{width:145px;height:135px}.drill-cleared .drill-car{transform:translateX(calc(100vw - 220px))}.drill-goal{right:4px;top:24px;font-size:.875rem}.drill-choices{gap:9px;margin:18px auto}.drill-choices button{min-height:110px;padding:7px 2px;font-size:.875rem}.drill-choices svg{width:68px;height:68px}}
@media(prefers-reduced-motion:reduce){.drill-car{transition:none}}

/* Original multi-format logic puzzles, with visible rules and no countdown. */
.logic-panels{display:grid;gap:14px;padding:12px}.logic-panel{padding:12px;border:2px solid #c6ad76;border-radius:16px;background:#fffdf1}.logic-panel h3{font-size:16px;text-align:center;margin:0 0 10px;color:#634c30}.logic-items{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.logic-ore{width:60px;height:60px;display:inline-flex;flex:none}.logic-ore svg{width:100%;height:100%}.logic-row{display:inline-flex;align-items:center;gap:3px;max-width:100%}.logic-row .logic-ore{width:38px;height:44px}.logic-missing,.logic-number{display:inline-grid;place-items:center;width:58px;height:58px;flex:none;border-radius:12px;background:#ffedb7;font-size:34px;font-weight:900;color:#614d2d}.logic-operator{font-size:28px;color:#765635;min-width:20px;text-align:center}.logic-dot-grid{display:grid;grid-template-columns:repeat(var(--logic-side),1fr);gap:3px;width:96px;height:96px;border:3px solid #7c9c91;padding:5px;background:#edf5f0;border-radius:10px;flex:none}.logic-dot-grid i{border:1px solid #bbcdc3;border-radius:3px;background:white;aspect-ratio:1}.logic-dot-grid .dot-full{background:#dcab34;border-color:#957b28;box-shadow:inset 0 0 0 2px #f9d568}.logic-matrix{display:grid;grid-template-columns:repeat(var(--logic-columns),60px);gap:6px}.logic-matrix>.logic-ore,.logic-matrix>.logic-missing{border:1px solid #d8c897;border-radius:8px;background:#fff9e0;width:60px;height:60px}.logic-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.logic-choices>button{min-width:0;min-height:112px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:12px}.logic-choice-label{font-size:13px!important;color:#637266}.logic-choices .logic-row{flex-wrap:nowrap}.logic-choices .logic-row .logic-ore{width:34px;height:40px}.child-answer-dialog .logic-panels{max-height:38vh;overflow:auto;padding:0}.drill-room .drill-tunnel{overflow:visible}.logic-panels:empty{display:none}@media(min-width:800px){.logic-choices{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:600px){.logic-panels{padding:8px;gap:10px}.logic-panel{padding:10px 6px}.logic-items{gap:6px}.logic-ore{width:44px;height:48px}.logic-row .logic-ore{width:27px;height:36px}.logic-missing,.logic-number{width:46px;height:48px;font-size:28px}.logic-dot-grid{width:78px;height:78px;gap:2px;padding:4px}.logic-operator{font-size:23px}.logic-matrix{grid-template-columns:repeat(var(--logic-columns),46px);gap:4px}.logic-matrix>.logic-ore,.logic-matrix>.logic-missing{width:46px;height:46px}.logic-choices>button{padding:9px 5px;min-height:104px}.logic-choices .logic-row .logic-ore{width:25px;height:38px}.logic-choices{gap:9px}.logic-panel h3{font-size:14px}.child-answer-dialog .logic-panel{padding:6px}.child-answer-dialog .logic-items{gap:4px}}

@media(max-width:360px){.logic-row .logic-ore{width:21px;height:32px}.logic-row{gap:2px}.logic-items{gap:4px}.logic-dot-grid{width:64px;height:64px}.logic-operator{font-size:20px;min-width:16px}.logic-missing,.logic-number{width:38px;height:42px}.logic-choices .logic-row .logic-ore{width:21px;height:34px}}