:root{--font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;--line-height: 1.5;--font-weight: 400;--color-bg: #ffffff;--color-text: #213547;--color-primary: #646cff;--color-primary-hover: #535bf2;--color-secondary: #f9f9f9;--color-border: #e0e0e0;--board-bg: #f0f0f0;--cell-bg: #ffffff;--cell-text: #333;--cell-marked-bg: #ffcc00;--cell-marked-text: #000;--btn-bg: #1a1a1a;--btn-text: #ffffff;color-scheme:light dark;color:var(--color-text);background-color:var(--color-bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}[data-theme=dark]{--color-bg: #242424;--color-text: rgba(255, 255, 255, .87);--color-primary: #646cff;--color-secondary: #2f2f2f;--color-border: #444;--board-bg: #333;--cell-bg: #444;--cell-text: #fff;--cell-marked-bg: #ffcc00;--cell-marked-text: #000;--btn-bg: #1a1a1a;--btn-text: #ffffff}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;font-family:var(--font-family);background:var(--color-bg);color:var(--color-text);transition:background-color .25s,color .25s}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center;width:100%}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--btn-bg);color:var(--btn-text);cursor:pointer;transition:border-color .25s}button:hover{border-color:var(--color-primary)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}h1{font-size:3.2em;line-height:1.1}.hidden{display:none}.flex{display:flex}.flex-col{flex-direction:column}.center{align-items:center;justify-content:center}.gap-2{gap:.5rem}.gap-4{gap:1rem}.w-full{width:100%}.bingo-board{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;background:var(--board-bg);padding:10px;border-radius:10px;margin:20px auto;max-width:400px}.bingo-cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:var(--cell-bg);color:var(--cell-text);font-weight:700;font-size:1.2rem;border-radius:5px;cursor:pointer;-webkit-user-select:none;user-select:none}.bingo-cell.marked{background:var(--cell-marked-bg);color:var(--cell-marked-text)}.bingo-header{display:grid;grid-template-columns:repeat(5,1fr);font-weight:900;font-size:2rem;margin-bottom:5px}