:root{color-scheme:dark;--bg:#1c211d;--text:#eeeee3;--muted:#a8af9f;--line:#3b4537;--green:#d4eb86}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:18px/1.55 'DM Sans',sans-serif}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}header,footer{max-width:1200px;margin:auto;padding:25px 28px;display:flex;justify-content:space-between;align-items:center;gap:24px}header{border-bottom:1px solid var(--line)}nav{display:flex;gap:24px;font-size:16px}nav [aria-current]{color:var(--green)}.brand{display:flex;align-items:center;gap:12px;font:700 26px monospace;letter-spacing:3px}main{max-width:1144px;margin:45px auto;padding:0 28px}.eyebrow{font:12px monospace;letter-spacing:2px;color:var(--green)}h1{font-size:clamp(32px,5vw,52px);line-height:1.12;font-weight:500;margin:14px 0}.intro{color:var(--muted);margin:0 0 26px}.heading{margin-bottom:25px}button,input{font:inherit}button{min-height:48px;padding:10px 22px;border:1px solid var(--line);background:transparent;color:var(--text);border-radius:5px;cursor:pointer}button:hover{border-color:var(--green)}button:disabled{opacity:.5;cursor:default}.primary{background:var(--green);color:#20271c;border-color:var(--green)}:focus-visible{outline:3px solid var(--green);outline-offset:4px}#controls{padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}#controls>p{margin-top:0;max-width:770px}.playbar{display:grid;grid-template-columns:1fr auto auto;align-items:end;gap:25px}label{display:block;font-size:15px;color:var(--muted)}input{width:100%;padding:13px 15px;background:#141b16;color:var(--text);border:1px solid #77846b;border-radius:4px;margin-top:6px;font-size:21px}.metric{min-width:100px}.metric strong{display:block;font-size:32px;font-weight:500;font-variant-numeric:tabular-nums;line-height:1.3}.metric small{font-size:13px;color:var(--muted)}.time-low{color:#f2b586}.play-actions{display:flex;align-items:center;justify-content:space-between;margin-top:14px;gap:12px}.play-actions p{font-size:13px;color:var(--muted);margin:0}.play-actions button{min-height:38px;font-size:14px;padding:6px 14px}#feedback{min-height:28px;margin:12px 0;color:var(--green);font-size:16px}.map-panel{background:#18211e;border:1px solid var(--line);border-radius:6px;overflow:hidden}.map-panel svg{width:100%;height:auto;display:block}.land{fill:#485343;stroke:#18211e;stroke-width:.6}.land.found{fill:var(--green);transition:fill .3s}.land.missed{fill:#bb9073}.land.outside{fill:#29342e}circle.land{stroke-width:1}.legend{display:flex;gap:20px;flex-wrap:wrap;padding:12px 18px;font-size:12px;color:var(--muted);border-top:1px solid var(--line)}.legend i{display:inline-block;width:9px;height:9px;background:#485343;margin-right:5px}.legend i.found{background:var(--green)}.legend i.missed{background:#bb9073}#answers{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin:32px 0}.region h2{font-size:18px;font-weight:500;border-bottom:1px solid var(--line);padding-bottom:9px;display:flex;justify-content:space-between}.region h2 span{color:var(--muted);font-size:14px}.country-row{display:flex;align-items:center;gap:12px;min-height:34px;font-size:16px;border-bottom:1px solid #2a342b}.country-row small{width:20px;font-size:10px;color:#899580}.country-row.found{color:var(--green)}.country-row.missed{color:#e4b99a}.blank{display:block;width:70%;height:1px;background:#45503e}.results{padding:28px 0;border-bottom:1px solid var(--line)}.results h2{font-size:36px;margin:0 0 8px;font-weight:500}.results p{color:var(--muted)}.result-actions{display:flex;gap:12px;flex-wrap:wrap}.rules{border-top:1px solid var(--line);padding:20px 0;font-size:15px;color:var(--muted)}summary{cursor:pointer;color:var(--text)}footer{font-size:14px;border-top:1px solid var(--line)}@media(max-width:650px){body{font-size:16px}header{padding:18px 18px;flex-wrap:wrap}nav{gap:18px;font-size:14px}main{margin:26px auto;padding:0 18px}.playbar{grid-template-columns:1fr 1fr;gap:14px}.playbar label{grid-column:1/-1}.metric strong{font-size:28px}#answers{grid-template-columns:1fr 1fr;gap:18px}.country-row{font-size:14px}.legend{gap:10px}.play-actions{align-items:flex-start}footer{padding:20px 18px;flex-wrap:wrap}.map-panel svg{min-height:190px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* Full-topic challenges */
#controls.playing{position:sticky;top:0;z-index:5;background:var(--bg);box-shadow:0 8px 18px #10161050}.flag-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.flag-tile{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;border:1px solid var(--line);padding:26px 12px 16px;min-height:175px;border-radius:5px;font-size:15px;text-align:center}.flag-tile img{width:100%;max-width:144px;height:96px;object-fit:contain}.flag-number{position:absolute;left:9px;top:5px;font:11px monospace;color:var(--muted)}.flag-tile.found,.capital-row.found{color:var(--green);border-color:#819654}.flag-tile.missed,.capital-row.missed{color:#e4b99a;border-color:#8b6e58}.capital-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 35px}.capital-row{display:grid;grid-template-columns:1fr 1fr;gap:15px;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}.capital-row strong{font-weight:500}.state-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0 25px;margin-top:24px}.collection{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin:35px 0}.quiz-card{padding:26px;border:1px solid var(--line);border-radius:6px;display:flex;flex-direction:column;gap:14px}.quiz-card h2{margin:0;font-weight:500;font-size:28px}.quiz-card p{margin:0;color:var(--muted);font-size:16px}.quiz-card a{margin-top:auto;color:var(--green)}.related{padding:24px 0;border-top:1px solid var(--line);margin-top:35px}.related h2{font-size:20px;font-weight:500}.related nav{flex-wrap:wrap}.topic-notes{margin:32px 0;color:var(--muted);font-size:16px}.topic-notes h2{font-size:22px;color:var(--text);font-weight:500}#results:empty{display:none}body[data-quiz] #feedback{position:relative;z-index:6}@media(max-width:760px){.flag-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.flag-tile{padding:22px 8px 12px;min-height:145px;font-size:13px}.flag-tile img{height:72px}.capital-grid{grid-template-columns:1fr}.collection{grid-template-columns:1fr}.state-list{grid-template-columns:repeat(2,1fr)}#controls.playing{padding:12px 0}.playing .playbar{grid-template-columns:1fr auto auto;gap:10px}.playing .playbar label{grid-column:1/-1}.playing .metric strong{font-size:21px}.playing .metric small{font-size:11px}.playing .play-actions{margin-top:6px}.playing input{padding:9px 12px}.playing .metric{min-width:75px}}@media(max-width:380px){.flag-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

.next-challenge{padding:28px 0;border-bottom:1px solid var(--line)}.next-challenge>span{font:12px monospace;letter-spacing:2px;color:var(--muted)}.next-challenge h2{margin:8px 0;font-size:28px;font-weight:500}.next-challenge p{color:var(--muted)}.next-challenge a{color:var(--green)}#results textarea{width:100%;min-height:150px;padding:16px;font:16px/1.5 monospace;background:var(--bg);color:var(--text);border:1px solid var(--line)}

.quiz-card h3{margin:0;font-weight:500;font-size:28px}