.panel-row{display:flex;justify-content:center;align-items:flex-start;gap:48px;margin-top:24px;width:100%}.panel-row flex-dir.vertical-slider{-webkit-appearance:slider-vertical;appearance:slider-vertical;width:32px;height:120px;margin:8px 0;accent-color:#43a047}.audio-panel{background:#111;border:4px solid #fff;border-radius:8px;color:#fff;padding:24px 16px;display:flex;flex-direction:column;align-items:center;min-width:120px;min-height:220px;box-shadow:0 2px 8px #0000004d}.audio-controls{display:flex;flex-direction:row;gap:48px;align-items:flex-end;justify-content:center;height:100%}.vertical-slider-group{display:flex;flex-direction:column;align-items:center;gap:8px;min-height:140px}.vertical-slider-group label{margin-bottom:4px;font-size:1.1em}.vertical-slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#43a047;cursor:pointer;border:2px solid #fff;box-shadow:0 2px 6px 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.mute-label{font-size:.9em}.line-clearing-flash{animation:flash .2s ease-in-out}.line-clearing-fade{animation:fadeOut .2s ease-in-out forwards}@keyframes flash{0%,to{opacity:1}50%{opacity:.3}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}.settings-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000}.settings-content{background:#fff;padding:20px;border-radius:5px;min-width:300px}.key-bind-list{display:flex;flex-direction:column;gap:10px;margin:20px 0}.key-bind-row{display:flex;justify-content:space-between;align-items:center}.key-bind-row button{min-width:100px;padding:5px 10px;background:#f0f0f0;border:1px solid #ccc;border-radius:3px;cursor:pointer}.key-bind-row button:hover{background:#e0e0e0}.rebind-prompt{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;padding:20px;border-radius:5px;box-shadow:0 2px 10px 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#0006}.touch-btn-move{width:80px;height:80px}.touch-btn-rotate{width:100px;height:80px}.touch-btn-hard-drop{width:100px;height:80px;background:linear-gradient(145deg,#e53935,#c62828);border-color:#ff6659}.touch-btn-hard-drop:active{background:linear-gradient(145deg,#c62828,#b71c1c)}.touch-btn-action{width:80px;height:80px}.touch-btn-game-control{width:120px;height:70px;background:linear-gradient(145deg,#43a047,#2e7d32);border-color:#66bb6a}.touch-btn-game-control:active{background:linear-gradient(145deg,#2e7d32,#1b5e20)}.touch-icon{font-size:36px;line-height:1}.touch-label{font-size:16px;font-weight:700;text-transform:uppercase;letter-spacing:1px}.desktop-start-button{display:block}.touch-btn-settings{width:70px;height:70px;background:linear-gradient(145deg,#ff9800,#f57c00);border-color:#ffb74d}.touch-btn-settings:active{background:linear-gradient(145deg,#f57c00,#e65100)}.touch-btn-mute{width:70px;height:70px;background:linear-gradient(145deg,#e53935,#c62828);border-color:#ff6659}.touch-btn-mute:active{background:linear-gradient(145deg,#c62828,#b71c1c)}.touch-btn-mute[data-muted=false]{background:linear-gradient(145deg,#43a047,#2e7d32);border-color:#66bb6a}.touch-btn-mute[data-muted=false]:active{background:linear-gradient(145deg,#2e7d32,#1b5e20)}@media (max-width: 768px){#game-board{max-width:calc(100vw - 32px);margin:0 auto}body{height:auto;min-height:100vh;padding:2vh 0}.desktop-start-button{display:none!important}#start-button{display:flex!important}h1{font-size:1.8em;margin:1vh 0}.main-container{width:100%!important;padding:0 2vw!important;flex-direction:column!important}.game-layout{flex-direction:column!important;gap:1.5vh!important;align-items:center!important}.score-column{flex-direction:row!important;width:100%!important;max-width:360px!important;justify-content:space-around!important;gap:12px!important}.side-panel{flex-direction:column!important;width:auto!important;gap:12px!important;align-items:center!important}.game-and-side{display:flex!important;flex-direction:row!important;gap:12px!important;align-items:flex-start!important}#next-board,#hold-board{width:80px!important;min-width:80px!important;flex:none!important}#next-board canvas,#hold-board canvas{width:64px!important;height:64px!important}#next-board h3,#hold-board h3{font-size:.9em;margin:4px 0}.score-box{min-width:100px;min-height:40px;font-size:1.2em}.controls-container{margin-top:16px;gap:16px}.controls-row{flex-direction:column;gap:16px;max-width:100%}.controls-panel{display:none!important}.touch-controls{display:block!important}.audio-panel{display:none!important}.audio-controls{height:auto;gap:40px}.vertical-slider-group{height:auto;min-height:160px}.vertical-slider{height:120px}.key-grid{grid-template-columns:1fr;gap:8px}.controls-panel h3 button{font-size:.8em;padding:4px 8px}#start-button{font-size:1.1em;padding:10px 24px}}@media (max-width: 480px){h1{font-size:1.5em}.score-box{min-width:90px;min-height:36px;font-size:1em}#next-board,#hold-board{max-width:150px}.touch-btn{min-width:70px;min-height:70px}.touch-btn-move{width:70px;height:70px}.touch-btn-rotate,.touch-btn-hard-drop{width:90px;height:70px}.touch-btn-action{width:70px;height:70px}.touch-icon{font-size:28px}.touch-label{font-size:14px}.controls-panel h3,.audio-panel h3{font-size:1em}}#reset-button-overlay{transition:all .2s;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}#reset-button-overlay:hover{background:linear-gradient(145deg,#ff5252,#e53935);transform:scale(1.05)}#reset-button-overlay:active{background:linear-gradient(145deg,#c62828,#b71c1c);transform:scale(.95)}.mobile-audio-modal{position:fixed;inset:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:10000;padding:20px}.mobile-audio-content{background:linear-gradient(145deg,#2a2a2a,#1a1a1a);border:3px solid #43a047;border-radius:16px;padding:24px;max-width:400px;width:100%;box-shadow:0 8px 32px #0009}.mobile-audio-content h2{color:#fff;margin:0 0 24px;font-size:1.5em;text-align:center}.mobile-audio-controls{display:flex;flex-direction:column;gap:24px;margin-bottom:24px}.horizontal-slider-group{display:flex;flex-direction:column;gap:12px}.horizontal-slider-group label{color:#fff;font-size:1.1em;font-weight:700;text-align:center}.slider-row{display:flex;align-items:center;gap:12px}.horizontal-slider{flex:1;-webkit-appearance:none;appearance:none;height:8px;background:linear-gradient(to right,#333,#666);border-radius:4px;outline:none}.horizontal-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:24px;height:24px;background:linear-gradient(145deg,#43a047,#2e7d32);border:2px solid #66bb6a;border-radius:50%;cursor:pointer;box-shadow:0 2px 4px #0006}.horizontal-slider::-webkit-slider-thumb:active{background:linear-gradient(145deg,#66bb6a,#43a047);transform:scale(1.1)}.horizontal-slider::-moz-range-thumb{width:24px;height:24px;background:linear-gradient(145deg,#43a047,#2e7d32);border:2px solid #66bb6a;border-radius:50%;cursor:pointer;box-shadow:0 2px 4px #0006}.horizontal-slider::-moz-range-thumb:active{background:linear-gradient(145deg,#66bb6a,#43a047);transform:scale(1.1)}.volume-btn-mobile{width:48px;height:48px;background:linear-gradient(145deg,#2a2a2a,#1a1a1a);border:2px solid #43a047;border-radius:8px;font-size:24px;cursor:pointer;transition:all .1s;display:flex;align-items:center;justify-content:center;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.volume-btn-mobile:active{transform:scale(.95);background:linear-gradient(145deg,#1a1a1a,#0a0a0a)}.mobile-audio-close-btn{width:100%;padding:16px;background:linear-gradient(145deg,#43a047,#2e7d32);border:2px solid #66bb6a;border-radius:8px;color:#fff;font-size:1.1em;font-weight:700;cursor:pointer;transition:all .2s;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.mobile-audio-close-btn:active{transform:scale(.98);background:linear-gradient(145deg,#2e7d32,#1b5e20)}@media (min-width: 769px){.touch-controls,.mobile-audio-modal{display:none!important}}