:root{--bg:#f4f6fb;--surface:#fff;--text:#16202e;--muted:#64707f;--border:#dde2ea;--accent:#2f6fed;--ok:#1f9d55;--bad:#d64545;--ocean:#dbe8f6;--land:#c9d3c0;--land-stroke:#fdfdfb;--hl:#f0a020;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;-webkit-tap-highlight-color:transparent;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#10151d;--surface:#1a212c;--text:#e8edf4;--muted:#94a0b0;--border:#2c3644;--accent:#5b8ff9;--ocean:#15283d;--land:#3d4a3a;--land-stroke:#1b2430}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}main{max-width:720px;padding:calc(env(safe-area-inset-top) + 16px) 16px max(24px, env(safe-area-inset-bottom));flex-direction:column;gap:16px;margin:0 auto;display:flex}h1{margin:0;font-size:1.5rem}button{font:inherit;color:inherit;cursor:pointer;border:1px solid var(--border);background:var(--surface);border-radius:12px;padding:12px 16px}button:disabled{cursor:default}button.ghost{background:0 0;border-color:#0000}.quiz.wide{max-width:max(720px,min(1600px,170dvh - 476px))}.bar{justify-content:space-between;align-items:center;gap:12px;display:flex}.seg{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:3px;display:flex}.seg button{background:0 0;border:0;border-radius:9px;padding:8px 14px}.seg.wide button{flex:1}.seg button[aria-pressed=true]{background:var(--accent);color:#fff}.chips{flex-wrap:wrap;gap:8px;display:flex}.chips button{border-radius:999px;padding:6px 14px;font-size:.9rem}.chips button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#fff}.sub{color:var(--muted);margin:0;font-size:1rem}.modes{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;display:grid}.card{text-align:left;align-items:center;gap:14px;display:flex}.card .icon{font-size:1.8rem}.card small{color:var(--muted);margin-top:2px;display:block}.card small.muted{opacity:.8;font-size:.75rem}.stats{color:var(--muted);gap:14px;font-size:.9rem;display:flex}.stats b{color:var(--text)}.prompt{text-align:center;margin:0;font-size:1.35rem}.flag{aspect-ratio:4/3;object-fit:contain;filter:drop-shadow(0 2px 8px #00000026);border-radius:6px;width:min(100%,360px);margin:0 auto;display:block}.shape{aspect-ratio:1;width:min(100%,320px);margin:0 auto;display:block}.shape path{fill:var(--text)}.feedback small{color:var(--text);margin-top:4px;font-weight:400;display:block}.map{aspect-ratio:960/563;background:var(--ocean);touch-action:none;-webkit-user-select:none;user-select:none;border-radius:12px;width:100%;display:block}.ocean{fill:var(--ocean)}.land{fill:var(--land);stroke:var(--land-stroke);stroke-width:.5px;vector-effect:non-scaling-stroke}.land.hl{fill:var(--hl)}.ring{fill:none;stroke:var(--hl)}.pin{stroke:#fff}.pin.target{fill:var(--bad)}.pin.guess{fill:var(--accent)}.link{stroke:var(--text);stroke-dasharray:4 3;stroke-width:1.5px;vector-effect:non-scaling-stroke}.hint{text-align:center;color:var(--muted);margin:-8px 0 0;font-size:.8rem}.options{grid-template-columns:1fr 1fr;gap:10px;display:grid}.options button{min-height:64px}.options.flags{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.options.flags button{border-width:3px;padding:8px}.options.flags img{aspect-ratio:4/3;object-fit:contain;width:100%;display:block}.options.flags button.right{background:var(--surface);border-color:var(--ok)}.options.flags button.wrong{background:var(--surface);border-color:var(--bad)}.options button.right{background:var(--ok);border-color:var(--ok);color:#fff}.options button.wrong{background:var(--bad);border-color:var(--bad);color:#fff}.answer{flex-wrap:wrap;gap:10px;display:flex}.answer input{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:12px;flex:100%;padding:12px 14px;font-size:1.1rem}.answer button[type=submit]{background:var(--accent);border-color:var(--accent);color:#fff;flex:1}.feedback{border-radius:12px;flex-direction:column;gap:12px;padding:12px 16px;font-weight:600;display:flex}.feedback p{margin:0}.feedback.ok{background:color-mix(in srgb, var(--ok) 18%, transparent);color:var(--ok)}.feedback.bad{background:color-mix(in srgb, var(--bad) 18%, transparent);color:var(--bad)}.feedback button{background:var(--accent);border-color:var(--accent);color:#fff}.feedback .actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.feedback:not(:has(.secondary)){flex-direction:row;justify-content:space-between;align-items:center}.feedback button.secondary{background:var(--surface);border-color:var(--border);color:var(--text)}.overlay{z-index:10;padding:calc(env(safe-area-inset-top) + 16px) 12px 24px;background:#00000080;justify-content:center;align-items:flex-start;display:flex;position:fixed;inset:0;overflow-y:auto}.sheet{background:var(--bg);border-radius:16px;flex-direction:column;gap:14px;width:min(100%,1000px);padding:12px 16px 20px;display:flex}.sheet h2{margin:0;font-size:1.3rem}.sheet .close{padding:8px 12px;font-size:1.2rem}.about{justify-content:center;align-items:center;gap:16px;display:flex}.about-flag{aspect-ratio:4/3;object-fit:contain;width:min(45%,220px)}.about .shape{width:min(45%,160px);margin:0}.facts{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px 20px;margin:0;display:grid}.facts dt{color:var(--muted);font-size:.8rem}.facts dd{margin:2px 0 0}.pin.city{fill:var(--accent)}.onboarding{text-align:center;justify-content:center;align-items:center;max-width:480px;min-height:100dvh}.onboarding img{border-radius:22px}.onboarding p{color:var(--muted);margin:0}.progress{background:var(--border);border-radius:999px;width:100%;height:10px;overflow:hidden}.progress>div{background:var(--accent);height:100%;transition:width .3s}.progress>.indeterminate{width:30%;animation:1.2s ease-in-out infinite slide}@keyframes slide{0%{transform:translate(-100%)}to{transform:translate(350%)}}.install{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:8px;width:100%;padding:14px 16px;display:flex}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;width:100%}button.primary:disabled{opacity:.5}.map-wrap{cursor:zoom-in}.map-wrap.full{z-index:20;cursor:auto;background:var(--ocean);position:fixed;inset:0}.map-wrap.full .map{aspect-ratio:auto;border-radius:0;width:100%;height:100%}.map-wrap .close{top:calc(env(safe-area-inset-top) + 12px);background:var(--surface);border-color:var(--border);padding:8px 14px;font-size:1.2rem;position:absolute;right:12px}.explore{background:var(--ocean);position:fixed;inset:0}.explore .map{aspect-ratio:auto;border-radius:0;width:100%;height:100%}.explore-bar{top:calc(env(safe-area-inset-top) + 12px);gap:8px;max-width:560px;margin:0 auto;display:flex;position:absolute;left:12px;right:12px}.explore-bar input{min-width:0;font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:12px;flex:1;padding:12px 14px;font-size:1rem}.results{top:calc(env(safe-area-inset-top) + 72px);background:var(--surface);border:1px solid var(--border);border-radius:12px;max-width:560px;max-height:60dvh;margin:0 auto;padding:4px;list-style:none;position:absolute;left:12px;right:12px;overflow-y:auto}.results button{text-align:left;border:0;align-items:center;gap:12px;width:100%;padding:10px;display:flex}.results img{aspect-ratio:4/3;object-fit:cover;border-radius:3px;width:32px}.results small{color:var(--muted);display:block}.results .empty{color:var(--muted);padding:12px}