*{box-sizing:border-box}:root{--fundo:#1e2233;--painel:#2b3050;--verso:#4f5bd5;--frente:#f7f7fb;--achada:#3fb57a;--texto:#f2f2f7;--foco:#ffd166}body{background:var(--fundo);min-height:100vh;color:var(--texto);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{max-width:720px;margin:0 auto;padding:16px}.topo h1{text-align:center;margin:0 0 12px;font-size:1.6rem}.controles{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:flex}select,.botao{font:inherit;border:none;border-radius:8px;min-height:44px;padding:8px 14px}.botao{background:var(--verso);color:#fff;cursor:pointer}.botao:hover{filter:brightness(1.1)}select:focus-visible,.botao:focus-visible,.carta:focus-visible{outline:3px solid var(--foco);outline-offset:2px}.placar{justify-content:center;gap:24px;margin:12px 0;display:flex}.placar div{text-align:center}.placar dt{opacity:.75;font-size:.8rem}.placar dd{font-variant-numeric:tabular-nums;margin:0;font-size:1.2rem;font-weight:600}.tabuleiro{grid-template-columns:repeat(var(--cols,4), 1fr);max-width:calc(var(--cols,4) * 110px);gap:10px;margin:0 auto;display:grid}.carta{aspect-ratio:3/4;cursor:pointer;perspective:600px;touch-action:manipulation;-webkit-tap-highlight-color:transparent;background:0 0;border:none;padding:0;position:relative}.carta-interna{transform-style:preserve-3d;transition:transform .4s;position:absolute;inset:0}.carta.virada .carta-interna,.carta.encontrada .carta-interna{transform:rotateY(180deg)}.face{backface-visibility:hidden;border-radius:10px;justify-content:center;align-items:center;font-size:clamp(1.4rem,7vw,2.6rem);display:flex;position:absolute;inset:0;box-shadow:0 2px 6px #00000059}.verso{background:var(--verso);background-image:repeating-linear-gradient(45deg,#ffffff14 0 8px,#0000 8px 16px)}.frente{background:var(--frente);transform:rotateY(180deg)}.carta.encontrada .frente{background:var(--achada)}.carta.encontrada{cursor:default}.vitoria{background:#0009;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.vitoria[hidden]{display:none}.vitoria-caixa{background:var(--painel);text-align:center;border-radius:14px;width:100%;max-width:320px;padding:24px 32px}.vitoria-caixa h2{margin-top:0}.novo-recorde{color:var(--foco);font-size:1.2rem;font-weight:700}@media (width<=480px){.app{padding:10px}.tabuleiro{gap:6px}.placar{gap:16px}}@media (prefers-reduced-motion:reduce){.carta-interna{transition:none}}