*{margin:0;padding:0;box-sizing:border-box}body{overflow:hidden;background-color:#1a1a1a;color:#fff;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}.memory-card{width:150px;height:150px;position:relative;transform-style:preserve-3d;cursor:default;pointer-events:none;transition:transform .3s ease,box-shadow .3s ease;transform:translateZ(0)}.memory-card.hoverable{cursor:pointer;pointer-events:auto}.memory-card.hoverable:hover{transform:translateY(-10px) rotateY(10deg);box-shadow:0 8px 16px #0000004d}.card-face{position:absolute;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light 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ease}.star-drop-container:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to bottom,#0d1126e6,#191d32e6);opacity:var(--background-opacity);pointer-events:none;transition:opacity .5s ease}.game-header{position:fixed;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:#0000004d;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:100}.home-button{background:#ffffff1a;border:2px solid rgba(255,255,255,.3);color:#fff;padding:.5rem 1rem;border-radius:8px;cursor:pointer;font-size:1rem;transition:all .2s ease}.home-button:hover{background:#fff3;transform:scale(1.05)}.cheat-mode{display:flex;align-items:center;gap:.5rem;color:#fff;font-size:1rem}.cheat-mode 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.3s}.home-button:hover{background-color:#357abd}.game-info{display:flex;gap:20px;align-items:center}.level,.total-score,.timer{font-size:1.2rem;font-weight:700;color:#333;background-color:#fff;padding:8px 16px;border-radius:5px;box-shadow:0 2px 4px #0000001a;cursor:pointer;transition:all .2s}.timer:hover{background-color:#f0f2f5;transform:translateY(-1px);box-shadow:0 3px 6px #00000026}.game-content{flex:1;max-width:800px;margin:0 auto;text-align:center;display:flex;flex-direction:column;width:content;padding:20px}h2{color:#333;margin-bottom:20px;font-size:1.8rem}.guessing-container{display:flex;flex-direction:column;gap:20px;margin:20px 0}.icon-grid{width:fit-content;margin:0 auto;display:grid;gap:4px;padding:20px;background-color:#fff;border-radius:10px;box-shadow:0 2px 4px #0000001a}.icon-item{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:2rem;background-color:#f8f9fa;border:2px solid #e9ecef;border-radius:8px;transition:all .2s;width:64px;height:64px}.icon-item.missing{background-color:#f8f9fa;border:2px dashed #e9ecef}.selection-instructions{text-align:center;padding:10px 20px;background-color:#f8f9fa;border-radius:8px;margin:0 auto;max-width:600px}.selection-instructions p{margin:0;color:#666;font-size:1.1rem;line-height:1.4}.selection-area{width:100%;max-width:800px;margin:0 auto;background-color:#fff;border-radius:10px;box-shadow:0 2px 4px #0000001a;padding:20px}.scrollable-icons{display:flex;flex-direction:column;gap:16px;max-height:400px;overflow-y:auto;padding:5px;scrollbar-width:thin;scrollbar-color:#4a90e2 #f0f2f5}.scrollable-icons::-webkit-scrollbar{width:8px}.scrollable-icons::-webkit-scrollbar-track{background:#f0f2f5;border-radius:4px}.scrollable-icons::-webkit-scrollbar-thumb{background-color:#4a90e2;border-radius:4px}.selection-icon{width:50px;height:50px;display:flex;align-items:center;justify-content:center;font-size:2rem;background-color:#f8f9fa;border:2px solid #e9ecef;border-radius:8px;cursor:pointer;transition:all .2s;padding:0}.selection-icon:hover{transform:scale(1.05);border-color:#4a90e2}.selection-icon.selected{background-color:#e3f2fd;border-color:#4a90e2}.button-group{display:flex;gap:10px;justify-content:center;margin-top:20px}.submit-button,.play-again-button,.next-level-button,.cheat-button{padding:12px 24px;font-size:1.2rem;color:#fff;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s}.submit-button{background-color:#4a90e2}.submit-button:hover{background-color:#357abd}.cheat-button{background-color:#e74c3c}.cheat-button:hover{background-color:#c0392b}.next-level-button{background-color:#2ecc71}.next-level-button:hover{background-color:#27ae60}.transition-phase{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px}.countdown{font-size:3rem;font-weight:700;color:#4a90e2;margin-top:20px}.results-phase .icon-item{cursor:default}.results-phase .icon-item.correct{background-color:#d4edda;border-color:#28a745}.results-phase .icon-item.missed{background-color:#f8d7da;border-color:#dc3545}.score,.total-score{font-size:1.5rem;color:#333;margin:10px 0}.missing-items{margin-top:20px}.missing-items h3{color:#333;margin-bottom:15px}.game-over{margin-top:30px;padding:20px;background-color:#d4edda;border-radius:10px;border:2px solid #28a745}.game-over h3{color:#28a745;margin-bottom:20px}.preview-phase,.guessing-phase,.results-phase,.transition-phase{animation:fadeIn .5s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.game-info{flex-direction:column;gap:10px}.guessing-container{gap:15px}.selection-instructions{padding:8px 15px}.selection-instructions p{font-size:1rem}.selection-area{padding:15px}.scrollable-icons{max-height:300px}.icon-item{width:48px;height:48px;font-size:1.8rem}h2{font-size:1.5rem}.button-group{flex-direction:column;gap:10px}.submit-button,.play-again-button,.next-level-button,.cheat-button{width:100%;margin-top:0}.category-icons{grid-template-columns:repeat(4,1fr)}}.category-group{display:flex;flex-direction:column;gap:8px}.category-title{font-size:.9rem;color:#666;text-transform:capitalize;margin:0;padding:4px 8px;background-color:#f8f9fa;border-radius:4px}.category-icons{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;padding:0 4px}.pre-game-phase{max-width:800px;margin:0 auto;padding:20px;text-align:center}.pre-game-phase h2{font-size:2.5rem;color:#2c3e50;margin-bottom:30px}.rules-container{background-color:#fff;border-radius:10px;padding:30px;box-shadow:0 2px 4px #0000001a;margin-bottom:30px;text-align:left}.rules-container h3{color:#2c3e50;font-size:1.5rem;margin-bottom:15px}.rules-list{margin:0 0 30px;padding-left:20px}.rules-list li{margin-bottom:10px;color:#34495e;font-size:1.1rem;line-height:1.4}.level-progression{background-color:#f8f9fa;border-radius:8px;padding:20px}.level-list{list-style:none;padding:0;margin:0;columns:2;column-gap:30px}.level-list li{margin-bottom:8px;color:#34495e;font-size:1rem;line-height:1.4}.start-button{padding:15px 40px;font-size:1.4rem;background-color:#2ecc71;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:all .3s;box-shadow:0 2px 4px #0000001a}.start-button:hover{background-color:#27ae60;transform:translateY(-2px);box-shadow:0 4px 8px #0003}@media (max-width: 768px){.pre-game-phase{padding:15px}.pre-game-phase h2{font-size:2rem}.rules-container{padding:20px}.rules-list li{font-size:1rem}.level-list{columns:1}.start-button{width:100%;padding:12px 20px;font-size:1.2rem}}