html,body{height:100%;margin:0;padding:0}body{background:#fff;color:#0f172a;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root{--rtk-accent: var(--rtk-color-primary, #2563eb);--rtk-accent-hover: var(--rtk-color-primary-hover, #1d4ed8)}.tetris-grid{position:relative;background-color:#0b1220;background-image:linear-gradient(to right,rgba(148,163,184,.15) 1px,transparent 1px),linear-gradient(to bottom,rgba(148,163,184,.15) 1px,transparent 1px);background-size:32px 32px,32px 32px;background-position:0 0,0 0;animation:tetris-pan 30s linear infinite}@keyframes tetris-pan{0%{background-position:0 0,0 0}to{background-position:256px 256px,256px 256px}}@media(prefers-reduced-motion:reduce){.tetris-grid{animation:none}}.accent-btn{background-color:var(--rtk-accent);border-color:var(--rtk-accent);color:#fff;transition:background-color .15s,border-color .15s}.accent-btn:hover{background-color:var(--rtk-accent-hover);border-color:var(--rtk-accent-hover)}