*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#0f0c29,#302b63,#24243e);min-height:100vh;display:flex;justify-content:center;align-items:center;padding:40px 20px;color:#fff}#root{width:100%;max-width:550px}.app{display:flex;flex-direction:column;align-items:center;gap:30px}.game-header{display:flex;flex-direction:column;align-items:center;gap:20px;background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:25px 35px;border-radius:16px;box-shadow:0 8px 32px #0000004d;width:100%;max-width:520px;border:1px solid rgba(255,255,255,.15)}.game-header h1{font-size:2rem;color:#fff;text-align:center;font-weight:700;letter-spacing:.5px}.stats{display:flex;gap:40px;justify-content:center;width:100%}.stat-item{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:80px}.stat-label{font-size:.7rem;color:#cbd5e1;font-weight:600;text-transform:uppercase;letter-spacing:1.2px}.stat-value{font-size:2rem;font-weight:700;color:#a78bfa;text-shadow:0 2px 8px rgba(167,139,250,.3)}.reset-btn{background:linear-gradient(135deg,#8b5cf6,#6366f1);color:#fff;border:none;padding:12px 32px;font-size:.9rem;font-weight:600;border-radius:10px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #8b5cf64d;letter-spacing:.5px;text-transform:uppercase}.reset-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #8b5cf666;background:linear-gradient(135deg,#9d7cfa,#7c7ff7)}.reset-btn:active{transform:translateY(0)}.win-message{background:#0f172af2;padding:24px 40px;border-radius:12px;text-align:center;box-shadow:0 8px 24px #00000080;border:1px solid rgba(255,255,255,.1);animation:slideDown .5s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.win-message h2{font-size:1.5rem;margin-bottom:8px;font-weight:700}.win-message p{font-size:1rem;color:#a1a1aa}.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:520px;width:100%;padding:10px}.card{aspect-ratio:1;position:relative;cursor:pointer;transform-style:preserve-3d;transition:transform .6s}.card-front,.card-back{position:absolute;width:100%;height:100%;display:flex;align-items:center;justify-content:center;border-radius:12px;box-shadow:0 4px 16px #0000004d;backface-visibility:hidden;transition:all .3s ease}.card-front{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;font-weight:700;font-size:2.5rem;z-index:1;border:2px solid rgba(167,139,250,.3)}.card-back{background:linear-gradient(135deg,#334155,#1e293b);font-size:3.5rem;z-index:0;border:2px solid rgba(255,255,255,.2)}.card.flipped .card-front{opacity:0;pointer-events:none;transform:scale(.9)}.card.flipped .card-back{opacity:1}.card.matched{pointer-events:none}.card.matched .card-back{background:linear-gradient(135deg,#a78bfa4d,#8b5cf64d);box-shadow:0 0 24px #a78bfa80;border:2px solid rgba(167,139,250,.6)}.card:hover:not(.matched):not(.flipped) .card-front{transform:scale(1.05)}.card:active:not(.matched){transform:scale(.95)}@media(max-width:768px){.game-header h1{font-size:2rem}.cards-grid{gap:10px}.card-front,.card-back{font-size:2.5rem}.card-back{font-size:3rem}.stats{gap:20px}.stat-value{font-size:1.5rem}}@media(max-width:480px){.game-header{padding:20px}.game-header h1{font-size:1.5rem}.card-front,.card-back{font-size:2rem}.card-back{font-size:2.5rem}}