.game-options{display:flex;flex-direction:column;gap:1.5rem;padding:1.5rem;background-color:#f9fafb;border-radius:1rem;box-shadow:0 4px 12px #0000001a;width:clamp(320px,100vw - 40px,500px);margin:auto}@media (max-height: 400px){.game-options{gap:.5rem}}.game-options div{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}.game-options button{flex:1;padding:.75rem 1.5rem;background-color:#3b82f6;color:#fff;border:none;border-radius:.5rem;cursor:pointer;transition:background-color .3s,transform .2s ease-in-out}.game-options button:hover{background-color:#2563eb;transform:translateY(-2px)}.game-options button:active{background-color:#1d4ed8;transform:translateY(0)}.game-options button:focus{outline:none;box-shadow:0 0 0 3px #3b82f680}.game-options button.active{background-color:#10b981;color:#fff;font-weight:700}.game-options .tile-count-buttons button{max-width:80px;height:50px;padding:.5rem;display:flex;align-items:center;justify-content:center;font-size:.9rem}.game-options .start-game-button{background-color:#34d399;padding:1rem;font-size:1.25rem;border-radius:1rem;text-align:center}.game-options .start-game-button:hover{background-color:#059669}.game-options .start-game-button:active{background-color:#047857}.game-board{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;max-width:800px;gap:20px}@media (orientation: landscape) and (max-width: 640px) and (max-height: 640px){.game-board{flex-direction:row}}.game-controls{display:flex;flex-direction:column;justify-content:center;gap:1rem;align-items:center;margin-bottom:20px}@media (orientation: landscape) and (max-width: 640px) and (max-height: 640px){.game-controls{order:1}}.end-game-button{padding:10px 20px;font-size:16px;background-color:#f44336;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .3s}@media (orientation: landscape) and (max-width: 640px) and (max-height: 640px){.end-game-button{order:1}}.end-game-button:hover{background-color:#d32f2f}.game-stats{display:flex;gap:20px;flex-direction:row}@media (orientation: landscape) and (max-width: 640px) and (max-height: 640px){.game-stats{flex-direction:column}}.stat-item{display:flex;flex-direction:column;align-items:center;background-color:#f0f0f0;padding:10px;border-radius:4px;min-width:80px}.stat-label{font-size:14px;color:#666;margin-bottom:5px}.stat-value{font-size:18px;font-weight:700;color:#333}.memory-game{display:grid;gap:.5rem;background-color:#fff;border-radius:.5rem;box-shadow:0 4px 6px #0000001a;padding:1rem;max-width:90vw}.memory-game--12,.memory-game--18{grid-template-columns:repeat(3,1fr)}.memory-game--24{grid-template-columns:repeat(4,1fr)}.memory-game--30{grid-template-columns:repeat(5,1fr)}.memory-game--36{grid-template-columns:repeat(6,1fr)}@media (min-width: 640px){.memory-game--12{grid-template-columns:repeat(4,1fr)}.memory-game--18,.memory-game--24,.memory-game--30,.memory-game--36{grid-template-columns:repeat(6,1fr)}}.memory-game__tile{width:40px;height:40px;cursor:pointer}.memory-game__tile-inner{position:relative;width:100%;height:100%;transition:transform .8s;transform-style:preserve-3d;box-shadow:0 4px 8px #0003;border-radius:.375rem}.memory-game__tile--flip .memory-game__tile-inner{transform:rotateY(0)}.memory-game__tile--flip.memory-game__tile--revealed .memory-game__tile-inner{transform:rotateY(180deg)}.memory-game__tile-front,.memory-game__tile-back{position:absolute;width:100%;height:100%;-webkit-backface-visibility:hidden;backface-visibility:hidden;border-radius:.375rem}.memory-game__tile-front{background-color:#d1d5db}.memory-game__tile-front:hover{background-color:#9ca3af}.memory-game__tile-back{transform:rotateY(180deg);display:flex;justify-content:center;align-items:center;font-size:2rem}.memory-game__tile--fade .memory-game__tile-front,.memory-game__tile--fade .memory-game__tile-back{transition:opacity .8s ease}.memory-game__tile--fade .memory-game__tile-back{opacity:0;transform:rotateY(0)}.memory-game__tile--fade.memory-game__tile--revealed .memory-game__tile-front{opacity:0}.memory-game__tile--fade.memory-game__tile--revealed .memory-game__tile-back{opacity:1}.memory-game__tile--red .memory-game__tile-back{background-color:red}.memory-game__tile--blue .memory-game__tile-back{background-color:#00f}.memory-game__tile--green .memory-game__tile-back{background-color:green}.memory-game__tile--yellow .memory-game__tile-back{background-color:#ff0}.memory-game__tile--purple .memory-game__tile-back{background-color:purple}.memory-game__tile--orange .memory-game__tile-back{background-color:orange}.memory-game__tile--pink .memory-game__tile-back{background-color:pink}.memory-game__tile--cyan .memory-game__tile-back{background-color:#0ff}.memory-game__tile--brown .memory-game__tile-back{background-color:brown}.memory-game__tile--gray .memory-game__tile-back{background-color:gray}.memory-game__tile--navy .memory-game__tile-back{background-color:navy}.memory-game__tile--olive .memory-game__tile-back{background-color:olive}.memory-game__tile--teal .memory-game__tile-back{background-color:teal}.memory-game__tile--magenta .memory-game__tile-back{background-color:#f0f}.memory-game__tile--lime .memory-game__tile-back{background-color:#0f0}.memory-game__tile--indigo .memory-game__tile-back{background-color:indigo}.memory-game__tile--maroon .memory-game__tile-back{background-color:maroon}.memory-game__tile--gold .memory-game__tile-back{background-color:gold}@media (min-width: 800px){.memory-game__tile{width:60px;height:60px}.memory-game__tile-back{font-size:2.5rem}}@media (min-width: 1024px){.memory-game__tile{width:80px;height:80px}.memory-game__tile-back{font-size:3rem}}.game-container{width:100vw;min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background-color:#f3f4f6}.navbar{position:absolute;top:20px;left:50%;transform:translate(-50%);background-color:#fff;border-radius:8px;padding:10px;box-shadow:0 4px 6px #0000001a}@media (max-height: 640px) and (orientation: landscape){.navbar{top:50%;transform:translateY(-50%);left:0}}.navbar ul{display:flex;gap:10px;list-style:none;padding:0;margin:0}@media (max-height: 640px) and (orientation: landscape){.navbar ul{flex-direction:column}}.navbar li{display:flex;align-items:center}.navbar a{display:flex;align-items:center;justify-content:center;padding:8px;border-radius:4px;transition:background-color .3s;color:#333}.navbar a:hover{background-color:#f0f0f0}.game-history{width:100vw;min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background-color:#f3f4f6;padding:60px 60px 30px}.game-history h2{text-align:center;margin-bottom:20px;font-size:24px;color:#333}.game-history .table-container{height:clamp(200px,75vh,400px);overflow:auto;max-width:1200px;margin:0 auto;width:100%;overflow-y:hidden}.game-history table{width:100%;border-collapse:separate;border-spacing:0;box-shadow:0 4px 8px #0000001a;border-radius:8px;min-width:1024px;overflow-x:auto;display:block;position:relative}.game-history table thead{position:sticky;top:0;background-color:#4caf50;color:#fff;z-index:1}.game-history table th,.game-history table td{padding:12px 15px;text-align:left}.game-history table th{text-transform:uppercase}.game-history table td{background-color:#fff;color:#333}.game-history table tbody{display:block;height:clamp(200px,45vh,360px);overflow-y:auto;overflow-x:hidden}.game-history table tr{display:table;width:100%;table-layout:fixed}.game-history table tr:nth-child(2n) td{background-color:#f2f2f2}.game-history table tr:hover td{background-color:#d1e7dd;cursor:pointer}.game-history .placeholder{display:flex;justify-content:center;align-items:center;height:200px;background-color:#f9f9f9;border:1px solid #ddd;border-radius:5px}.game-history .placeholder p{font-size:18px;color:#666;text-align:center}.game-history .reset-button{position:absolute;top:90%;right:50%;transform:translate(50%) translateY(-50%);padding:10px 20px;background-color:#ff4d4d;color:#fff;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s ease}@media (orientation: landscape) and (max-height: 640px){.game-history .reset-button{top:10px;transform:translate(50%)}}.game-history .reset-button:hover{background-color:#f33}.game-history .reset-button:focus{outline:none;box-shadow:0 0 0 2px #ff4d4d80}*{box-sizing:border-box;margin:0;padding:0}