:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#1a1a2e;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}button{font-family:inherit}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#f5f5f5}}.header{text-align:center;margin-top:1.9rem;margin-bottom:.5rem}.header-logo{height:150px;width:auto;margin-bottom:.25rem}.header-stats{display:flex;justify-content:center;gap:1.5rem}.stat{display:flex;align-items:baseline;gap:.35rem}.stat-label{font-size:.85rem;text-transform:uppercase;opacity:.7;letter-spacing:.05em}.stat-value{font-size:1.2rem;font-weight:600}@media(max-width:480px){.header-logo{height:130px}.header-stats{gap:1rem}.stat-label{font-size:.75rem}.stat-value{font-size:1rem}}.card{aspect-ratio:1;perspective:1000px;cursor:pointer;border-radius:12px;opacity:0;animation:cascadeIn .4s ease-out forwards}@keyframes cascadeIn{0%{opacity:0;transform:translateY(-30px) scale(.8) rotateX(20deg)}60%{transform:translateY(5px) scale(1.02) rotateX(-5deg)}to{opacity:1;transform:translateY(0) scale(1) rotateX(0)}}.card:focus{outline:3px solid #646cff;outline-offset:2px}.card.matched{cursor:default}.card-inner{position:relative;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d;will-change:transform}.card.flipped .card-inner{transform:rotateY(180deg)}.card-front,.card-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:12px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 8px #0003}.card-front{background:linear-gradient(135deg,#667eea,#764ba2)}.card-icon{font-size:2.5rem}.card-back{background:#fff;transform:rotateY(180deg);padding:8px;box-sizing:border-box}.card-back img{width:100%;height:100%;object-fit:contain}.card.matched .card-back{background:linear-gradient(135deg,#a8edea,#fed6e3)}.card:not(.flipped):not(.matched):hover .card-inner{transform:scale(1.05)}.card:not(.flipped):not(.matched):active .card-inner{transform:scale(.95)}@media(max-width:480px){.card-icon{font-size:2rem}}.game-board{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;width:100%;max-width:min(100vw - 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2rem,400px);margin:2rem auto;padding:1rem 1rem 0}.high-scores-title{text-align:center;margin:0 0 1rem;font-size:1.25rem}.high-scores-empty{text-align:center;opacity:.7;font-size:.9rem}.high-scores-list{list-style:none;padding:0;margin:0}.high-score-item{display:flex;align-items:center;gap:1rem;padding:.75rem;border-radius:8px;margin-bottom:.5rem;background:#667eea1a}.high-score-item:first-child{background:linear-gradient(135deg,#667eea33,#764ba233)}.high-score-rank{font-weight:600;min-width:2rem}.high-score-score{font-weight:700;font-size:1.1rem;color:#667eea}.high-score-details{margin-left:auto;font-size:.85rem;opacity:.7}.high-scores-footer{padding-top:.1rem;text-align:center;font-weight:400;font-size:.85rem;margin-top:1.5rem}@media(max-width:480px){.high-score-item{font-size:.9rem}.high-score-details{font-size:.75rem}}.confetti-canvas{position:fixed;inset:0;pointer-events:none;z-index:101}.app{min-height:100dvh;padding:1rem 1rem 0;box-sizing:border-box}@media(max-width:480px){.app{padding:.5rem}}