/* Release polish */
:root{color-scheme:dark}html{scroll-behavior:smooth}body{min-height:100vh}button,a,select{touch-action:manipulation}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #7dd3fc;outline-offset:3px}button{min-height:42px;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}canvas{max-width:100%;height:auto;display:block;margin-inline:auto;touch-action:none}#board{user-select:none}#status{min-height:1.6em}main{max-width:1000px;margin-inline:auto;padding:clamp(12px,3vw,28px)}@media(max-width:560px){.controls button{min-width:56px;min-height:52px}main h1{font-size:1.65rem}canvas{width:min(100%,400px)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}