:root{--primary:#C1FF00;--bg-dark:#050505;--text:#ffffff;--panel:#121212;--panel-border:#2a2a2a}*{box-sizing:border-box}body{background:radial-gradient(circle at 20% 20%,#171717 0,var(--bg-dark) 55%);color:var(--text);font-family:'Courier New',monospace;margin:0;min-height:100vh;touch-action:manipulation}.back-btn{position:fixed;top:16px;left:16px;color:var(--primary);text-decoration:none;font-size:.85rem;z-index:100}.game-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:76px 16px 24px}.screen{width:min(620px,100%)}.hidden{display:none}.card{border:3px solid #0c0c0c;background:rgba(255,255,255,.94);border-radius:16px;box-shadow:0 16px 0 #0c0c0c;color:#0c0c0c;padding:24px;text-align:center}.card h1,.card h2{margin:0 0 12px;color:var(--primary);text-transform:uppercase;text-shadow:2px 2px #0c0c0c}.card p{font-weight:700;margin:0 0 16px}button{background:#c1ff00;color:#0c0c0c;border:3px solid #0c0c0c;font-weight:700;cursor:pointer;padding:12px 24px;font-size:1rem;border-radius:8px;font-family:inherit;box-shadow:4px 4px 0 #0c0c0c;text-transform:uppercase}button:active{transform:translate(4px,4px);box-shadow:none}.hud{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 16px;margin-bottom:12px;padding:14px}.card-lite{border:2px solid var(--panel-border);border-radius:12px;background:#101010}.hud div{font-size:.95rem}.hud span{color:var(--primary);font-weight:700}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;max-width:min(400px,100%);margin:0 auto}.card-game{aspect-ratio:1;cursor:pointer;perspective:600px;min-height:44px;border:0;background:0 0;padding:0;box-shadow:none;border-radius:8px}.card-game:active{transform:none;box-shadow:none}.card-inner{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform 250ms}.card-game.flipped .card-inner,.card-game.matched .card-inner{transform:rotateY(180deg)}.card-back,.card-front{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:8px;display:flex;align-items:center;justify-content:center}.card-front{background:#c1ff00;color:#0c0c0c;border:2px solid #0c0c0c;font-size:.75rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.card-back{transform:rotateY(180deg);background:linear-gradient(180deg,#121212,#090909);border:2px solid #2f2f2f;color:#fff;flex-direction:column;gap:6px}.token-emoji{font-size:clamp(1.1rem, 4vw, 1.5rem);line-height:1}.token-label{font-size:clamp(.62rem, 2.3vw, .74rem);font-weight:700;line-height:1}.card-game.matched .card-back{box-shadow:0 0 12px #c1ff00;border:2px solid #c1ff00}.result-line{font-size:1.1rem}@media (max-width:600px){.game-shell{align-items:flex-start;padding-top:64px}.screen{width:min(420px,100%)}.grid{max-width:min(360px,100%)}.card-game{min-height:max(44px,19vw)}}