:root{--black: #1a1a1a;--purple: #29182c;--dkgreen: #023c3d;--mint: #c3e4da;--ltgray: #e6e6e6;--orange: #e23f1a;--peach: #ffcbba;--cardBorder: rgba(2,60,61,.18);--shadow: 0 12px 24px rgba(0,0,0,.1)}*{box-sizing:border-box;margin:0;padding:0}.wrap{min-height:100vh;padding:22px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,var(--mint) 0%,var(--ltgray) 100%);color:var(--black)}.centerTop{display:flex;flex-direction:column;align-items:center;justify-content:center;margin-top:10px;margin-bottom:12px;gap:10px}.logoTop{height:54px;width:auto;display:block}.gameTitle{font-weight:1000;font-size:22px;color:var(--dkgreen);text-align:center}.centerCard{max-width:680px;margin:0 auto}.card{background:#ffffffb8;border:1px solid var(--cardBorder);border-radius:16px;padding:16px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.homeCard{max-width:680px;margin:0 auto}.mainCard{margin-top:6px;margin-bottom:14px}.centerText{text-align:center}.sub{margin-top:6px;color:#1a1a1abf;font-weight:700;font-size:15px}.hint{margin-top:8px;color:#1a1a1a8c;font-size:13px;font-weight:800}.hintBottom{margin-top:20px;color:#1a1a1a8c;font-size:13px;font-weight:700;text-align:center}.levels{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;justify-content:center}.btn{border:1px solid rgba(2,60,61,.26);background:#023c3d0f;color:var(--dkgreen);padding:8px 14px;border-radius:12px;cursor:pointer;font-weight:900;font-size:14px}.btn:hover{background:#023c3d1a}.btn:disabled{opacity:.55;cursor:not-allowed}.primary{border-color:#023c3d61;background:#023c3d24}.primary:hover{background:#023c3d33}.levelBtn{min-width:72px;text-align:center;padding:10px 14px}.levelDone{background:#c3e4da8c;border-color:#023c3d4d}.levelCheck{color:var(--dkgreen)}.resetBtn{margin-top:14px;font-size:12px;padding:6px 12px;display:block;margin-left:auto;margin-right:auto}.metaRow{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px;align-items:center}.pill{display:inline-flex;align-items:center;gap:8px;font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid rgba(2,60,61,.18);color:#1a1a1ab8;background:#ffffff8c;font-weight:800}.prompt{font-size:15px;font-weight:800;color:var(--dkgreen);text-align:center;margin-bottom:10px}.correctionBanner{text-align:center;background:#e23f1a1a;border:1px solid rgba(226,63,26,.25);border-radius:10px;padding:8px 12px;margin-bottom:10px;font-size:13px;font-weight:800;color:#1a1a1acc}.trianglePair{display:flex;align-items:center;justify-content:center;gap:8px;margin:10px 0 16px;flex-wrap:wrap}.triBox{width:160px;flex:0 0 160px}.triSvg{width:100%;height:auto}.congSymbol{font-size:28px;font-weight:1000;color:var(--dkgreen);opacity:.5}.choiceGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:10px}.choiceBtn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 8px;text-align:center}.choiceAbbr{font-size:18px;font-weight:1000;letter-spacing:.5px}.choiceFullName{font-size:10px;font-weight:700;opacity:.65}.choiceCorrect{background:#c3e4dad9!important;border-color:#023c3d80!important}.choiceWrong{background:#ffcbbabf!important;border-color:#e23f1a73!important}.choiceDim{opacity:.35}.feedbackBox{text-align:center;padding:10px 14px;border-radius:12px;font-weight:900;font-size:14px;margin-bottom:10px}.fbCorrect{background:#c3e4daa6;border:1px solid rgba(2,60,61,.25);color:var(--dkgreen)}.fbWrong{background:#ffcbba8c;border:1px solid rgba(226,63,26,.3);color:#7a1a0a}.nextBtn{display:block;width:100%;padding:12px;font-size:15px}.quitBtn{margin-top:10px;font-size:12px}.celebrateBig{font-size:26px;font-weight:1100;margin-bottom:8px;color:var(--dkgreen)}.celebrateText{color:#1a1a1ad9;font-weight:900;margin-bottom:4px}.scoreText{color:#1a1a1aa6;font-weight:800;font-size:15px;margin-bottom:16px}.levelDoneButtons{display:flex;flex-direction:column;gap:8px;align-items:center;margin-top:8px}.levelDoneButtons .btn{min-width:200px}@media (max-width: 420px){.centerTop{margin-top:0;margin-bottom:8px;gap:6px}.logoTop{height:22px;margin-top:-2px;margin-bottom:0}.gameTitle{font-size:18px;margin-bottom:4px}.trianglePair{gap:4px}.triBox{width:130px;flex:0 0 130px}.congSymbol{font-size:22px}.choiceGrid{grid-template-columns:repeat(2,1fr);gap:6px}.choiceAbbr{font-size:16px}.prompt{font-size:14px}}@media (max-width: 375px){.wrap{padding:12px}.triBox{width:110px;flex:0 0 110px}}