.neon-2048{--neon-cyan: #5ef3ff;--neon-pink: #ff4fd8;--neon-blue: #4f7bff;--neon-yellow: #ffe66d;--neon-green: #5bffb0;--neon-bg: #0b0f1f;--neon-panel: #12162b;--neon-border: rgba(94, 243, 255, .35)}.neon-2048 .game-container{background:radial-gradient(circle at top,rgba(94,243,255,.08),transparent 55%),linear-gradient(160deg,#0b0f1f,#101735 45%,#070b19);border:1px solid rgba(94,243,255,.25);box-shadow:0 0 25px #5ef3ff2e,0 0 50px #ff4fd81f}.neon-2048 .game-content-wrapper{align-items:flex-start;justify-content:flex-start;padding-top:.15rem}.neon-2048 .game-header{background:linear-gradient(120deg,#0c1022f2,#170a28f2);border-bottom:1px solid rgba(94,243,255,.35)}.neon-2048 .game-header h1{text-shadow:0 0 12px rgba(94,243,255,.45)}.neon-2048 .how-to-play-link,.neon-2048 .like-btn,.neon-2048 .share-btn,.neon-2048 .copy-link-btn{background:#0a1020b3;border:1px solid rgba(94,243,255,.35);box-shadow:0 0 12px #5ef3ff33}.neon-2048 .like-btn:hover,.neon-2048 .share-btn:hover,.neon-2048 .copy-link-btn:hover,.neon-2048 .how-to-play-link:hover{background:#0f182cd9;transform:translateY(-1px)}.neon-2048 .leaderboard-btn{background:#9333ea!important;border:1px solid rgba(147,51,234,.5)!important;box-shadow:0 4px 14px #9333ea59!important}.neon-2048 .leaderboard-btn:hover{background:#7e22ce!important;transform:scale(1.05)}.neon-2048 .game-footer{background:linear-gradient(120deg,#0a0e1cf2,#10162cf2);border-top:1px solid rgba(94,243,255,.2)}.neon-2048 .how-to-play-section{background:#0a0e1cd9;border-top:1px solid rgba(94,243,255,.2)}.neon-2048 .how-to-play-section h2{color:var(--neon-cyan)}.neon-2048 .how-to-play-section .bg-gray-900\\/50{background:#0c1224cc;border-color:#5ef3ff33}.neon-2048 .how-to-play-section li span:first-child{background:linear-gradient(135deg,var(--neon-blue),var(--neon-pink))}.neon-2048 .lucide{font-family:"Press Start 2P",cursive;font-size:1rem;line-height:1;display:inline-block}.neon-2048 #game-container-wrapper{font-family:Caveat,cursive;color:#e6f7ff;overflow:hidden}.neon-2048 .neon-title{font-family:"Press Start 2P",cursive;letter-spacing:.04em;text-shadow:0 0 12px rgba(94,243,255,.55)}.neon-2048 .stat-card{background:#0c1224cc;border:1px solid rgba(94,243,255,.25);border-radius:.85rem;padding:.6rem;box-shadow:0 0 16px #5ef3ff2e}.neon-2048 .stats-row{max-width:28.75rem}.neon-2048 .stat-label{font-family:"Press Start 2P",cursive;font-size:.62rem;letter-spacing:.12em;color:#5ef3ffd9}.neon-2048 .stat-value{font-family:"Press Start 2P",cursive;font-size:1.05rem;margin-top:.35rem;color:#f9fbff;text-shadow:0 0 8px rgba(94,243,255,.4)}.neon-2048 .neon-instructions{color:#e6f7ffcc;letter-spacing:.02em}.neon-2048 .neon-kbd{background:#0c1224d9;border:1px solid rgba(94,243,255,.35);color:#e6f7ff;box-shadow:0 0 8px #5ef3ff40}.neon-2048 .grid-container{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(4,1fr);--tile-gap: clamp(.35rem, 1.6vmin, .7rem);gap:var(--tile-gap);padding:var(--tile-gap);background-color:#11162b;border-radius:.75rem;border:1px solid rgba(94,243,255,.25);box-shadow:0 0 24px #5ef3ff40;position:relative;width:min(86vmin,25rem);height:min(86vmin,25rem);aspect-ratio:1;touch-action:none;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;-moz-user-select:none;user-select:none}.neon-2048 .grid-cell{background-color:#19203ad9;border-radius:6px;border:1px solid rgba(94,243,255,.08);width:100%;height:100%}.neon-2048 .tile{position:absolute;display:flex;justify-content:center;align-items:center;font-weight:700;font-family:"Press Start 2P",cursive;border-radius:6px;transition:top .15s ease-out,left .15s ease-out,transform .1s ease-in-out,background-color .15s ease-in-out,color .15s ease-in-out;z-index:10;font-size:clamp(.9rem,3.2vmin,1.4rem);box-sizing:border-box;border:1px solid rgba(255,255,255,.16);text-shadow:0 0 6px rgba(0,0,0,.4)}.neon-2048 .control-button{padding:6px 10px;font-size:.7rem;color:#eafcff;background:#0f162ce6;border:1px solid rgba(94,243,255,.4);border-radius:8px;cursor:pointer;font-weight:600;font-family:"Press Start 2P",cursive;box-shadow:0 0 14px #5ef3ff33;transition:background-color .2s,transform .2s}.neon-2048 .control-button:hover{background:#141e3af2;transform:translateY(-1px)}.neon-2048 .tile[data-value="2"]{background-color:#5ef3ff;color:#04151b;box-shadow:0 0 18px #5ef3ff99}.neon-2048 .tile[data-value="4"]{background-color:#4f7bff;color:#06102a;box-shadow:0 0 18px #4f7bff8c}.neon-2048 .tile[data-value="8"]{background-color:#ff4fd8;color:#1a0314;box-shadow:0 0 20px #ff4fd88c}.neon-2048 .tile[data-value="16"]{background-color:#ff8a4f;color:#2b0d03;box-shadow:0 0 20px #ff8a4f8c}.neon-2048 .tile[data-value="32"]{background-color:#ffe66d;color:#2d2604;box-shadow:0 0 20px #ffe66d8c}.neon-2048 .tile[data-value="64"]{background-color:#5bffb0;color:#032415;box-shadow:0 0 22px #5bffb08c}.neon-2048 .tile[data-value="128"]{background-color:#7bf0ff;color:#03212a;font-size:2.6vmin;box-shadow:0 0 24px #7bf0ff99}.neon-2048 .tile[data-value="256"]{background-color:#7b7bff;color:#0c0b2a;font-size:2.6vmin;box-shadow:0 0 24px #7b7bff99}.neon-2048 .tile[data-value="512"]{background-color:#ff77ed;color:#22031b;font-size:2.6vmin;box-shadow:0 0 24px #ff77ed99}.neon-2048 .tile[data-value="1024"]{background-color:#ffd36d;color:#3b2505;font-size:2.3vmin;box-shadow:0 0 26px #ffd36d99}.neon-2048 .tile[data-value="2048"]{background-color:#fff;color:#0d0d0f;font-size:2.3vmin;box-shadow:0 0 30px #ffffffb3}.neon-2048 .tile[data-value="4096"]{background-color:#1f2937;color:#e6f7ff;font-size:2.3vmin;box-shadow:0 0 30px #5ef3ff80}.neon-2048 .tile[data-value="8192"]{background-color:#0f172a;color:#e6f7ff;font-size:2.3vmin;box-shadow:0 0 30px #5ef3ff80}.tile-new{animation:appear .2s ease-out}@keyframes appear{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}@keyframes levelUpFlash{0%,to{background-color:#11162b}50%{background-color:#5ef3ff59}}.neon-2048 .level-up-flash{animation:levelUpFlash .5s ease-in-out}.neon-2048 .game-over-overlay{position:absolute;inset:0;background-color:#060a16d1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;z-index:100;border-radius:6px;font-size:2.5vmin;color:#e6f7ff;opacity:0;animation:fadeIn .5s ease-out forwards}.neon-2048 .win-message-overlay{position:absolute;inset:0;background-color:#060a16d9;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;z-index:100;border-radius:6px;opacity:0;animation:fadeIn .5s ease-out forwards}.neon-2048 .win-message-text{font-family:"Press Start 2P",cursive;font-size:clamp(1rem,3vmin,1.5rem);color:var(--neon-cyan);text-shadow:0 0 20px rgba(94,243,255,.8),0 0 40px rgba(94,243,255,.5);margin-bottom:1.5rem;animation:pulse-glow 2s ease-in-out infinite;display:flex;flex-direction:column;align-items:center;gap:1rem}.neon-2048 .win-icon-container{width:4rem;height:4rem;display:flex;align-items:center;justify-content:center}.neon-2048 .win-icon{width:100%;height:100%;color:var(--neon-cyan);filter:drop-shadow(0 0 10px rgba(94,243,255,.8)) drop-shadow(0 0 20px rgba(94,243,255,.5));animation:pulse-glow-icon 2s ease-in-out infinite}@keyframes pulse-glow-icon{0%,to{filter:drop-shadow(0 0 10px rgba(94,243,255,.8)) drop-shadow(0 0 20px rgba(94,243,255,.5));transform:scale(1)}50%{filter:drop-shadow(0 0 20px rgba(94,243,255,1)) drop-shadow(0 0 40px rgba(94,243,255,.8)) drop-shadow(0 0 60px rgba(255,79,216,.5));transform:scale(1.1)}}@keyframes fadeIn{to{opacity:1}}@keyframes pulse-glow{0%,to{text-shadow:0 0 20px rgba(94,243,255,.8),0 0 40px rgba(94,243,255,.5)}50%{text-shadow:0 0 30px rgba(94,243,255,1),0 0 60px rgba(94,243,255,.8),0 0 80px rgba(255,79,216,.5)}}#mobile-controls{margin:1rem auto 0}.direction-area{background-color:#bbada04d;transition:background-color .15s,transform .1s;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation;position:absolute;border-radius:6px}.direction-area:hover{background-color:#bbada080}.direction-area:active{background-color:#bbada0b3;transform:scale(.98)}#left-button,#right-button{height:100%}@media(max-width:640px){.neon-2048 .stats-row{max-width:26.25rem}.direction-area{background-color:#bbada066}.direction-button{height:40px;width:40px}[class*="left-[-60px]"]{left:-45px!important}[class*="right-[-60px]"]{right:-45px!important}[class*="top-[-60px]"]{top:-45px!important}[class*="bottom-[-60px]"]{bottom:-45px!important}.mt-\[70px\]{margin-top:55px}}#tap-regions{position:absolute;inset:0;z-index:10;touch-action:none}#tap-regions>div{-webkit-tap-highlight-color:transparent;-webkit-user-select:none;-moz-user-select:none;user-select:none;touch-action:manipulation}#tap-regions>div:active{background-color:#ffffff1a}@media(max-width:640px){.neon-2048 .game-content-wrapper{padding-top:.05rem}.neon-2048 .game-header{padding:.75rem 1rem}.neon-2048 .game-header h1{font-size:1.75rem}.neon-2048 .game-header p{font-size:.9rem}.neon-2048 .neon-title{font-size:1.25rem}.neon-2048 .control-button{font-size:.58rem;padding:3px 6px}.neon-2048 .stat-card{padding:.45rem;border-radius:.75rem}.neon-2048 .stat-label{font-size:.55rem}.neon-2048 .stat-value{font-size:.9rem}.neon-2048 .tile{font-size:5.5vmin}}@media(max-width:480px){.neon-2048 #game-container-wrapper{gap:.3rem}.neon-2048 .stat-card{padding:.35rem}.neon-2048 .control-button{font-size:.52rem;padding:3px 5px}.neon-2048 .stats-row{max-width:22.5rem}.neon-2048 .grid-container{width:min(82vmin,21.25rem);height:min(82vmin,21.25rem)}.neon-2048 .neon-instructions{margin-top:.25rem;font-size:.7rem}}