:root{--blue:#2b6fe5;--button:#fff;--button-border:#d5ddea;--button-border-strong:#a5b6d4;--green:#42a86f;--green-dark:#177044;--ink:#172033;--line:#dce4ef;--muted:#667084;--red:#dc5d57;--red-dark:#b4342d;--surface:#f2f6fb;color:var(--ink);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#edf4fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.5}*{box-sizing:border-box}html{overscroll-behavior:none;height:100%;overflow:hidden}body{overscroll-behavior:none;min-width:320px;height:100%;margin:0;overflow:hidden}#root{height:100%;min-height:0}.app-shell{grid-template-rows:auto auto minmax(0,1fr);height:100%;min-height:0;display:grid;overflow:hidden}.topbar{border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffdb;justify-content:space-between;align-items:center;gap:16px;padding:14px clamp(12px,3vw,32px) 10px;display:flex}.title-block{align-items:center;gap:14px;min-width:0;display:flex}.title-copy{min-width:0}.eyebrow,.panel-kicker{color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin:0 0 2px;font-size:.68rem;font-weight:800}h1,h2{color:var(--ink);letter-spacing:0;margin:0}h1{font-size:clamp(1.65rem,3vw,3rem);line-height:.96}h2{font-size:clamp(1.4rem,2.3vw,2.4rem);line-height:1}button,input{font:inherit}button{border:1px solid var(--button-border);background:var(--button);min-height:38px;color:var(--ink);cursor:pointer;border-radius:8px;font-weight:800;transition:background .16s,border-color .16s,transform .16s}button:hover{border-color:var(--button-border-strong);transform:translateY(-1px)}button:focus-visible,input:focus-visible{outline-offset:2px;outline:3px solid #2b6fe542}button:disabled{cursor:not-allowed;opacity:.54;transform:none}button svg{width:16px;height:16px}.topbar-controls{justify-content:flex-end;align-items:center;min-width:0;display:flex}.mode-switch{border:1px solid var(--line);background:var(--surface);border-radius:8px;grid-template-columns:repeat(2,minmax(94px,1fr));gap:4px;padding:4px;display:inline-grid}.training-switch{background:#f2f6fbc7;border:1px solid #dce4efdb;border-radius:8px;align-items:center;gap:2px;padding:3px;display:inline-flex}.training-group{align-items:center;gap:3px;display:inline-flex}.training-group+.training-group{border-left:1px solid #8ea0b357;margin-left:3px;padding-left:6px}.training-group-label{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:.58rem;font-weight:900;line-height:1}.region-switch{gap:2px;display:inline-flex}.mode-switch button,.panel-actions button{justify-content:center;align-items:center;gap:6px;padding:0 10px;display:inline-flex}.region-switch button{min-height:30px;color:var(--muted);background:0 0;border-color:#0000;justify-content:center;align-items:center;gap:5px;padding:0 8px;font-size:.78rem;display:inline-flex}.region-flag{font-size:1rem;line-height:1}.mode-switch button.active{color:#194db4;background:#dbeafe;border-color:#2b6fe585}.region-switch button.active{color:#194db4;background:#fff;border-color:#2b6fe585;box-shadow:0 1px 6px #2b6fe51a}.score-strip{border-bottom:1px solid var(--line);background:#f8fbff;flex-wrap:wrap;gap:6px;padding:6px clamp(12px,3vw,32px);display:flex}.score-strip div{border:1px solid var(--line);min-height:30px;color:var(--ink);background:#fff;border-radius:8px;align-items:center;gap:6px;padding:0 10px;font-size:.9rem;font-weight:800;display:inline-flex}.score-strip svg{width:15px;height:15px;color:var(--blue)}.game-layout{grid-template-columns:minmax(0,1fr) minmax(280px,340px);min-height:0;display:grid;overflow:hidden}.map-stage{background-color:#edf4fb;background-image:linear-gradient(90deg,#2b6fe514 1px,#0000 1px),linear-gradient(0deg,#2b6fe514 1px,#0000 1px),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:42px 42px;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box;place-items:center;min-width:0;min-height:0;padding:clamp(6px,1.6vw,18px);display:grid;position:relative}.quiz-map{width:100%;height:100%;min-height:0;max-height:calc(100vh - 116px);display:block;overflow:visible}.us-map{max-width:1180px}.australia-map{max-width:760px}.memory-stage{padding:clamp(8px,2vw,24px)}.memory-board{grid-template-columns:repeat(auto-fit,minmax(78px,1fr));align-content:center;gap:8px;width:min(100%,920px);display:grid}.memory-card{min-height:70px;color:var(--ink);text-align:center;background:#fbfcf8f5;border:1px solid #8ea0b3;border-radius:8px;align-content:center;place-items:center;gap:3px;padding:7px 6px;transition:background .16s,border-color .16s,box-shadow .16s,transform .16s;display:grid}.memory-card.target{background:#ffcf53;border-color:#1c2430;transform:scale(1.025);box-shadow:0 12px 18px #1419242e}.memory-card.guessed-correct,.memory-card.filled{color:#113b29;background:#dff6e8;border-color:#27784d}.memory-card.guessed-wrong{color:#6f211d;background:#ffd7d3;border-color:#a53a34}.memory-card.hovered{border-color:#172033;box-shadow:0 10px 14px #14192424}.memory-letter{font-size:clamp(1.45rem,3vw,2.35rem);font-weight:950;line-height:.95}.memory-word{min-height:1rem;font-size:.78rem;font-weight:850;line-height:1.05}.state-shape{vector-effect:non-scaling-stroke;fill:#fbfcf8;stroke:#8ea0b3;stroke-width:1px;transform-box:fill-box;transform-origin:50%;transition:fill .18s,filter .18s,stroke .18s,transform 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var(--line);background:#fff;flex-direction:column;gap:12px;min-height:0;padding:16px;display:flex;overflow:auto}.prompt-block{min-height:0}.answer-form{grid-template-columns:minmax(0,1fr) 78px;gap:6px;display:grid}.answer-form input{box-sizing:border-box;border:2px solid var(--line);min-width:0;height:40px;color:var(--ink);background:#fff;border-radius:8px;padding:0 10px;font-weight:850}.answer-form input.correct{border-color:var(--green);color:var(--green-dark)}.answer-form 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h2{font-size:clamp(3.2rem,12vw,5.3rem)}.result-time,.result-message{margin:0}.result-time{color:var(--muted);font-weight:850}.result-message{color:var(--ink);font-size:1.1rem;font-weight:850}.result-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:4px;display:grid}.result-actions button{justify-content:center;align-items:center;gap:8px;padding:0 14px;display:inline-flex}.found-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;max-height:min(30svh,260px);padding-right:4px;display:grid;overflow:auto}.found-list span{border:1px solid var(--line);color:#718096;text-align:center;background:#f5f7fa;border-radius:6px;justify-content:center;align-items:center;min-height:28px;padding:0 6px;font-size:.73rem;font-weight:850;line-height:1.05;display:inline-flex}.found-list span.found{color:#113b29;background:#dff6e8;border-color:#42996f75}.found-empty{border:1px dashed var(--line);color:var(--muted);text-align:center;background:#f8fbff;border-radius:8px;grid-column:1/-1;margin:0;padding:10px;font-weight:800}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@keyframes state-pop{0%{transform:scale(1)}70%{transform:scale(1.07)}to{transform:scale(1.035)}}@media (width<=900px){.app-shell{height:100svh}.topbar{flex-direction:column;align-items:stretch;gap:6px;padding:8px 10px 6px}.title-block{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.title-copy{min-width:0}.training-switch{flex-shrink:0}.training-group-label{font-size:.54rem}.title-copy .eyebrow{margin:0;font-size:.58rem}h1{font-size:1.35rem}h2{font-size:1.18rem}.topbar-controls{width:100%}.mode-switch{grid-template-columns:repeat(2,minmax(0,1fr));gap:3px;width:100%;min-width:0;padding:3px}.mode-switch button{min-width:0;min-height:32px;padding:0 6px;font-size:.82rem;line-height:1}.region-switch button{min-height:28px;padding:0 7px;font-size:.72rem}.region-flag{font-size:.9rem}.score-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px;padding:5px 10px;display:grid}.score-strip div{white-space:nowrap;justify-content:center;min-width:0;min-height:27px;padding:0 4px;font-size:.8rem}.score-strip svg{width:13px;height:13px}.game-layout{grid-template-rows:minmax(0,1fr) auto;grid-template-columns:1fr;min-height:0}.map-stage{padding:6px 8px}.memory-stage{padding:6px}.quiz-map{width:100%;height:100%;min-height:0;max-height:100%}.quiz-panel{border-top:1px solid var(--line);border-left:0;gap:8px;max-height:min(42svh,230px);padding:8px 10px 10px}.prompt-block{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.panel-kicker{margin:0;font-size:.58rem}.answer-form{grid-template-columns:minmax(0,1fr) 68px}.answer-form input{height:36px}.answer-form button,.panel-actions button{min-height:36px}.feedback{min-height:20px;font-size:.92rem}.found-list{grid-template-columns:repeat(3,minmax(0,1fr));max-height:74px}.memory-board{grid-template-columns:repeat(auto-fit,minmax(54px,1fr));gap:5px}.memory-card{min-height:50px;padding:5px 3px}.memory-letter{font-size:1.28rem}.memory-word{font-size:.62rem}}@media (width<=520px){button svg{width:14px;height:14px}.mode-switch button svg{display:none}.mode-switch button,.region-switch button{padding:0 4px;font-size:.76rem}.training-switch{gap:1px;padding:2px}.training-group-label{display:none}.training-group+.training-group{margin-left:2px;padding-left:5px}.region-switch button{font-size:.68rem}.result-actions{grid-template-columns:1fr}.found-list{grid-template-columns:repeat(2,minmax(0,1fr))}}