:root{--bg:#f6f4ee;--card:#fff;--ink:#1d2433;--muted:#5d6678;--line:#e3dfd3;--blue:#1f6feb;--ok:#1f9d55;--bad:#d64545;--part:#e0a100;--land:#ddd8cb;--cty:#c3d6a8;--cty-h:#a9c789;--sea:#dbe9f6}
@media (prefers-color-scheme:dark){:root{--bg:#121722;--card:#1b2230;--ink:#eef1f6;--muted:#a3acbd;--line:#2c3547;--land:#2f3747;--cty:#3d5a45;--cty-h:#4f7558;--sea:#16202e}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--blue)}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1040px;margin:0 auto;padding:10px 16px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:19px;color:var(--ink);text-decoration:none}
.top nav{display:flex;gap:14px;font-size:15px}.top nav a{color:var(--muted);text-decoration:none;font-weight:600}.top nav a:hover{color:var(--blue)}
main{max-width:1040px;margin:0 auto;padding:0 16px 32px}
footer{text-align:center;color:var(--muted);font-size:14px;padding:24px 16px 40px;border-top:1px solid var(--line)}
footer a{color:var(--muted)}
h1{font-size:clamp(24px,5vw,34px);line-height:1.2;margin:12px 0 6px}
.lead{color:var(--muted);margin:0 0 14px}
.game,.quiz-flags,.quiz-capitals,.quiz-shapes{max-width:560px;margin:8px auto 0}
.game{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;min-height:430px}
.loading{color:var(--muted);text-align:center;padding:120px 0}
.ghead{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.tag{font-size:14px;color:var(--muted);font-weight:600}
.dots{display:flex;gap:6px}.dots i{width:12px;height:12px;border-radius:50%;background:var(--line)}
.dots i.cur{background:var(--blue)}.dots i.m1{background:var(--ok)}.dots i.m5{background:var(--part)}.dots i.m0{background:var(--bad)}
.hint{margin:4px 0 0;color:var(--muted);font-size:15px}
.prompt{font-size:22px;line-height:1.3;margin:10px 0 12px}
img.flag{display:block;width:auto;height:min(180px,24vh);max-width:80%;aspect-ratio:4/3;margin:6px auto 14px;border-radius:6px;box-shadow:0 1px 4px #0003}
img.shape{display:block;width:auto;height:min(200px,26vh);aspect-ratio:1;margin:0 auto 10px}
@media (prefers-color-scheme:dark){img.shape{filter:invert(1) hue-rotate(180deg)}}
.opts{display:grid;gap:10px}
.opts button,.primary,.start{font:inherit;font-weight:600;padding:14px 16px;min-height:52px;border-radius:12px;border:2px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;text-align:left;touch-action:manipulation}
.opts button:hover:not(:disabled){border-color:var(--blue)}
.opts button:disabled{cursor:default}
.opts button.ok{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 16%,var(--card))}
.opts button.bad{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 14%,var(--card))}
.order button{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.order button.picked{border-color:var(--blue)}
.badge{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--line);font-size:15px}
.order .picked .badge{background:var(--blue);color:#fff}
.order small{width:100%;padding-left:38px;color:var(--muted);font-weight:500}
.primary,.start{display:block;width:100%;margin-top:12px;background:var(--blue);border-color:var(--blue);color:#fff;text-align:center}
.primary:hover,.start:hover{filter:brightness(1.08)}
.primary-link{display:block;text-align:center;margin:12px 0 0;font-weight:700}
.verdict{font-weight:800;font-size:19px;margin:14px 0 0}.verdict.good{color:var(--ok)}.verdict.nope{color:var(--bad)}
.fact{margin:2px 0 0;color:var(--muted);font-size:15px}
.result{text-align:center;padding:8px 0}
.big{font-size:64px;font-weight:900;line-height:1}.big span{font-size:26px;color:var(--muted)}
.emoji{font-size:30px;letter-spacing:4px;margin:8px 0}
.msg{font-weight:700;margin:4px 0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:18px 0 6px}.stats div{font-size:13px;color:var(--muted)}.stats b{display:block;font-size:24px;color:var(--ink)}
.next{color:var(--muted);margin:6px 0 0}
.review{list-style:none;padding:0;margin:16px 0;font-size:15px}.review li{padding:6px 0;border-top:1px solid var(--line)}
.review b{display:inline-block;width:24px}.review .m1 b{color:var(--ok)}.review .m5 b{color:var(--part)}.review .m0 b{color:var(--bad)}
h3{margin:18px 0 8px}
.links{display:flex;flex-wrap:wrap;gap:8px}
.links a{padding:8px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-weight:600;font-size:15px;background:var(--card)}
.prose{max-width:720px;margin:28px auto 0}
.qgrid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr))}
.qrow{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.qrow b{font-size:18px}.qrow .n{color:var(--muted);font-size:14px;margin-left:8px}
.qrow div{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.qrow a{padding:6px 12px;border-radius:999px;background:var(--bg);text-decoration:none;font-weight:600;font-size:15px}
.archive{list-style:none;padding:0;max-width:560px}.archive li{display:flex;justify-content:space-between;padding:12px 4px;border-bottom:1px solid var(--line)}
.archive span{color:var(--muted)}
.qbar{display:flex;gap:14px;align-items:center;font-weight:700;font-size:15px;color:var(--muted);margin:6px 0}
.qbar .end{margin-left:auto}
.link{font:inherit;background:none;border:0;color:var(--blue);cursor:pointer;padding:4px;font-weight:600}
.quiz-map{max-width:1040px}
.qtop{position:sticky;top:0;z-index:5;background:var(--bg);padding:4px 0 8px}
.find{font-size:22px;display:flex;align-items:center;gap:10px}.find .skip{margin-left:auto;font-size:15px}
.mapwrap{position:relative;background:var(--sea);border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.mapwrap svg{display:block;width:100%;height:auto;max-height:78vh;touch-action:manipulation}
.mapwrap.zoomed svg{touch-action:none}
.land{fill:var(--land);stroke:var(--bg);stroke-width:.5}
.cty path,.pins circle{fill:var(--cty);stroke:var(--bg);stroke-width:.6;cursor:pointer;transition:fill .15s}
.pins circle{fill-opacity:.85;stroke:var(--ink);stroke-width:.8}
.cty path:hover,.pins circle:hover{fill:var(--cty-h)}
.cty .ok1,.pins .ok1{fill:var(--ok)}.cty .ok2,.pins .ok2{fill:var(--part)}.cty .miss,.pins .miss{fill:var(--bad)}
.cty .bad,.pins .bad{fill:var(--bad);fill-opacity:.6}
.zoom{position:absolute;right:8px;top:8px;display:flex;flex-direction:column;gap:6px;z-index:2}
.zoom button{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:20px;cursor:pointer}
.missed{color:var(--muted)}
details{margin-top:16px}summary{cursor:pointer;font-weight:700}
.answers{columns:2 220px;font-size:15px}
.ad{margin:20px auto;min-height:100px;max-width:728px}
#toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translate(-50%,40px);opacity:0;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-weight:600;transition:.2s;pointer-events:none;z-index:9}
#toast.on{opacity:1;transform:translate(-50%,0)}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.logo span{white-space:nowrap}
@media (max-width:420px){.top{gap:8px;padding:10px 12px}.logo{font-size:17px}.top nav{gap:10px;font-size:14px}}
.challenge{margin:6px 0 0;padding:10px 12px;border-radius:12px;background:color-mix(in srgb,var(--blue) 12%,var(--card));font-weight:600;font-size:15px}
.vs{font-weight:700;margin:6px 0 0}.vs.win{color:var(--ok)}
@media (max-width:360px){.top nav a[href="/practice/"]{display:none}.big{font-size:52px}}
/* tap targets: at least ~44px tall on phones */
.top nav a{padding:12px 4px}
.link{padding:12px 8px}
.links a,.qrow a{padding:11px 14px}
footer a{display:inline-block;padding:11px 2px}
summary{padding:10px 0}
.logo{padding:8px 0}
.top nav a{padding:12px 8px}
.primary-link{padding:10px 0}
.archive li{padding:0 4px;align-items:center}.archive li a{flex:1;padding:13px 0}
@media (max-width:420px){.top nav{gap:2px}.top nav a{padding:12px 7px}.top nav a[href="/practice/"]{display:none}}
.prose,.lead{overflow-wrap:anywhere}
/* phones: the map fills the screen under the sticky bar */
@media (max-width:700px){.mapwrap svg{height:calc(100svh - 140px);max-height:none}.qbar{margin:0}}