html,body{overflow-x:hidden;overflow-y:auto}header{flex-wrap:wrap;position:relative!important;gap:12px!important}.app{height:auto!important;min-height:100dvh;grid-template-rows:auto minmax(420px,72vh)!important}.controls{overflow:visible!important}.arena{min-height:420px}.web-help{background:#e3eee5;border-radius:12px;padding:12px;font-size:14px;line-height:1.5}.notice{font-size:12px!important}.tool{display:none}#mode,#diagnostics,#input-diagnostics{display:none!important}#piece-pad{cursor:ew-resize}#desktop-simulator{border:2px solid #b6cabe;border-radius:12px;padding:12px}#desktop-simulator summary{font-size:16px}#desktop-simulator input[type=range]{min-height:44px;max-width:100%}#desktop-simulator button{margin:4px 0}.score,.goal{margin-left:auto}button{touch-action:manipulation}#simulator{display:none!important}@media(max-width:760px){.app{display:flex!important;flex-direction:column;padding:12px!important;gap:14px!important}.arena{height:52vh;min-height:320px;max-height:520px;flex:none}.controls{width:100%;min-width:0}.actions{flex-wrap:wrap}header h1{font-size:27px}.score strong{font-size:20px}.settings{gap:16px}.board-exit,.exit-button{min-height:46px}}