.tetris-game-wrapper{position:relative;z-index:10;display:flex;flex-direction:column;align-items:center;width:100%;max-width:1200px;max-height:100vh;margin:0 auto;overflow:hidden}.tetris-game-container{position:relative;width:800px;max-width:calc(100vw - 40px);max-height:calc(100vh - 40px);border-radius:24px;overflow:hidden;box-shadow:0 25px 50px -12px #000000e6,0 0 0 2px #00f5ff66,inset 0 1px #ffffff26,0 0 80px #00f5ff4d;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0a0a19f2;border:2px solid rgba(0,245,255,.3);box-sizing:border-box;display:flex;flex-direction:column}.game-header{display:flex;justify-content:space-between;align-items:flex-start;padding:15px 20px;gap:20px;flex-shrink:0}#game-container{position:relative;width:800px;height:900px;max-width:100%;flex:1 1 auto;min-height:0;margin:0;padding:0;display:flex;align-items:center;justify-content:center;box-sizing:border-box;overflow:hidden}#game-container canvas{display:block!important;width:100%!important;height:100%!important;max-width:100%!important;max-height:100%!important;object-fit:contain}.game-hud{display:flex;gap:20px;align-items:center;flex:1}.game-hud .hud-panel{pointer-events:auto}.hud-panel{background:#0f0f23d9;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(0,245,255,.3);border-radius:12px;padding:12px 20px;box-shadow:0 8px 32px #00000080,0 0 20px #00f5ff33,inset 0 1px #ffffff1a;transition:all .3s ease;min-width:100px}.hud-panel:hover{transform:translateY(-2px);box-shadow:0 12px 40px #0006}.hud-label{font-family:Orbitron,monospace;color:#fff;font-size:11px;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:5px;text-align:center;font-weight:600;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;text-shadow:0 1px 2px rgba(0,0,0,.5)}.hud-value{font-family:Orbitron,monospace;color:#fff;font-size:20px;font-weight:700;text-align:center;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;text-shadow:0 0 8px rgba(0,245,255,.4),0 1px 2px rgba(0,0,0,.8)}.speed-control{background:#0f0f23d9;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(0,245,255,.3);border-radius:12px;padding:12px 16px;display:flex;flex-direction:column;gap:8px;min-width:200px;flex-shrink:0;box-shadow:0 8px 32px #00000080,0 0 20px #00f5ff33,inset 0 1px #ffffff1a;pointer-events:auto}.speed-control-label{font-family:Orbitron,monospace;color:#fff;font-size:12px;text-transform:uppercase;letter-spacing:1.5px;text-align:center;font-weight:600;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;text-shadow:0 1px 2px rgba(0,0,0,.5)}.speed-slider-container{display:flex;align-items:center;gap:10px}.speed-slider{flex:1;height:6px;border-radius:3px;background:#00f5ff33;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}.speed-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:#00f5ff;cursor:pointer;box-shadow:0 0 10px #00f5ff;transition:all .2s ease}.speed-slider::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 0 15px #00f5ff}.speed-slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#00f5ff;cursor:pointer;border:none;box-shadow:0 0 10px #00f5ff;transition:all .2s ease}.speed-slider::-moz-range-thumb:hover{transform:scale(1.2);box-shadow:0 0 15px #00f5ff}.speed-value{font-family:Orbitron,monospace;color:#fff;font-size:13px;font-weight:700;min-width:70px;text-align:center;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;text-shadow:0 1px 2px rgba(0,0,0,.5)}.game-controls{display:flex;gap:15px;align-items:center;justify-content:center;padding:15px 20px;flex-shrink:0;pointer-events:none}.game-controls .control-btn{pointer-events:auto}.control-btn{background:#0f0f23d9;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(0,245,255,.3);border-radius:16px;padding:14px 24px;color:#fff;font-family:"Exo 2",sans-serif;font-weight:600;font-size:14px;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:1px;position:relative;overflow:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;text-shadow:0 1px 2px rgba(0,0,0,.5);box-shadow:0 4px 15px #0000004d,0 0 10px #00f5ff1a,inset 0 1px #ffffff1a}.control-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.control-btn:hover:before{left:100%}.control-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px #0006,0 0 20px #00f5ff4d;border-color:#00f5ff99}.primary-btn{background:linear-gradient(135deg,#4facfecc,#00f2fecc);box-shadow:0 4px 15px #4facfe66,0 0 15px #4facfe33}.secondary-btn{background:linear-gradient(135deg,#fa709acc,#fee140cc);box-shadow:0 4px 15px #fa709a66,0 0 15px #fa709a33}.danger-btn{background:linear-gradient(135deg,#ff416ce6,#ff4b2be6);box-shadow:0 4px 15px #ff416c80,0 0 15px #ff416c4d;border-color:#ff416c80}.danger-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px #ff416c99,0 0 25px #ff416c66;border-color:#ff416ccc;background:linear-gradient(135deg,#ff5478f2,#ff5c3df2)}.help-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;z-index:2000;justify-content:center;align-items:center}.help-modal.show{display:flex}.help-modal-content{background:#1a1a2e;padding:30px;border-radius:20px;max-width:500px;border:2px solid #00f5ff}.help-modal-content h2{color:#00f5ff;margin-bottom:20px;font-family:Orbitron,monospace;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;text-shadow:0 1px 2px rgba(0,0,0,.5)}.help-content{color:#fff;line-height:2;font-size:16px;margin-bottom:20px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}.close-help-btn{margin-top:20px;padding:10px 20px;background:#00f5ff;color:#0f0f23;border:none;border-radius:10px;cursor:pointer;font-weight:700;width:100%}.close-help-btn:hover{background:#00d4e6}@media (max-width: 900px){.tetris-game-wrapper{max-width:100%;padding:0 10px}.tetris-game-container{width:100%;max-width:800px}#game-container{width:100%;height:auto;aspect-ratio:800 / 900}#game-container canvas{width:100%!important;height:100%!important;max-width:100%!important;max-height:100%!important}.game-header{flex-direction:column;gap:15px;padding:15px}.game-hud{width:100%;justify-content:center;gap:15px}.speed-control{width:100%;min-width:auto}.hud-panel{padding:8px 14px;min-width:80px}.hud-label{font-size:9px}.hud-value{font-size:16px}.game-controls{padding:15px;gap:10px;flex-wrap:wrap}.control-btn{padding:10px 16px;font-size:12px}}@media (max-width: 768px){.app{padding:10px}.tetris-game-container{border-radius:16px}.game-header{padding:10px;gap:10px}.game-hud{gap:8px;flex-wrap:wrap}.hud-panel{padding:6px 10px;min-width:70px}.hud-label{font-size:8px}.hud-value{font-size:14px}.speed-control{padding:8px 10px}.speed-control-label{font-size:10px}.speed-value{font-size:11px;min-width:50px}.game-controls{padding:10px;gap:8px}.control-btn{padding:8px 12px;font-size:11px}}.background-container{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:0;pointer-events:none;overflow:hidden;--grid-offset-x: 0px;--grid-offset-y: 0px}.background-canvas{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;pointer-events:none}.background-3d-base{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at 15% 25%,rgba(0,245,255,.12) 0%,transparent 60%),radial-gradient(ellipse at 85% 75%,rgba(255,107,157,.1) 0%,transparent 60%),radial-gradient(ellipse at 50% 50%,rgba(255,215,0,.08) 0%,transparent 70%),linear-gradient(135deg,#001,#0a0a1a 30%,#0f0f23 70%,#001);z-index:0}.background-3d-grid{position:absolute;top:50%;left:50%;width:150%;height:150%;margin-left:-75%;margin-top:-75%;background-image:linear-gradient(rgba(0,245,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(0,245,255,.08) 1px,transparent 1px);background-size:80px 80px;transform:perspective(1500px) rotateX(60deg) translateZ(-100px) translate(var(--grid-offset-x),var(--grid-offset-y));transform-origin:center center;opacity:.6;z-index:2}.background-3d-base:before{display:none}.background-gradient-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(180deg,rgba(0,0,17,.5) 0%,transparent 20%,transparent 80%,rgba(0,0,17,.5) 100%),radial-gradient(ellipse at center,transparent 0%,rgba(0,0,17,.3) 100%);pointer-events:none;z-index:3}.app{width:100vw;height:100vh;position:relative;display:flex;justify-content:center;align-items:center;overflow:hidden;padding:20px;box-sizing:border-box}*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:"Exo 2",sans-serif;background:#000;width:100vw;height:100vh;margin:0;padding:0;overflow:hidden;position:fixed;top:0;left:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}#root{width:100%;height:100%;overflow:hidden}