:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--cell-size: 2.5rem;--win-bg: #bdbdbd;--win-border-light: #ffffff;--win-border-dark: #7b7b7b;--win-revealed: #d9d9d9;--color-background: #242424;--color-game-background: #1e1e1e;--color-panel-background: #2e2e2e;--color-text: rgba(255, 255, 255, .87);--color-contrast-text: rgba(0, 0, 0, .57);--color-text-muted: rgba(255, 255, 255, .5);--font-primary: "Space Grotesk", sans-serif;--font-heading-size: 2rem;--font-heading-weight: 600}body{margin:0;color:var(--color-text);background-color:var(--color-background);font-family:var(--font-primary);min-width:320px;min-height:100vh;display:grid;grid-template-rows:1fr auto}#app{display:grid;place-items:center}#game{width:fit-content;margin:2rem auto;display:flex;flex-direction:column;border-radius:1rem;background-color:var(--color-panel-background);padding:1rem}#game-header{display:flex;justify-content:space-between;align-items:center;padding:1rem;background-color:var(--win-bg);border-radius:.5rem;margin-bottom:1rem;border:4px solid;border-top-color:var(--win-border-light);border-left-color:var(--win-border-light);border-right-color:var(--win-border-dark);border-bottom-color:var(--win-border-dark)}#difficulty-selector select{background-color:var(--win-bg);color:var(--color-contrast-text);border:2px solid;border-top-color:var(--win-border-dark);border-left-color:var(--win-border-dark);border-right-color:var(--win-border-light);border-bottom-color:var(--win-border-light);padding:.5rem;font-family:var(--font-primary);font-size:.9rem;cursor:pointer;appearance:none;width:fit-content}#game-stats{display:flex;gap:2rem}#game-stats .stat-label{font-family:var(--font-primary);font-size:.5rem;font-weight:600;color:#333;text-transform:uppercase;letter-spacing:1px}.stat-container{display:flex;flex-direction:column;gap:.15rem}.stat-label{font-family:var(--font-primary);font-size:.8rem;font-weight:600;color:#333;text-transform:uppercase;letter-spacing:1px}.led-display{background-color:#000;border:3px solid;border-top-color:var(--win-border-dark);border-left-color:var(--win-border-dark);border-right-color:var(--win-border-light);border-bottom-color:var(--win-border-light);padding:.5rem .8rem;border-radius:3px;font-family:VT323,monospace;font-size:1.5rem;min-width:60px;text-align:center}.led-digits{color:red;text-shadow:0 0 5px #ff0000;font-weight:700;letter-spacing:2px}#main-text{text-align:center;padding:1rem}#main-text #heading{font-size:var(--font-heading-size);font-weight:var(--font-heading-weight);margin:0}#main-text #instructions,#main-text #mine-count,#main-text #timer-el{font-size:.7rem;color:var(--color-text-muted)}#board{display:grid;grid-template-columns:repeat(10,var(--cell-size));gap:0;padding:.5rem;margin:0 auto;background-color:var(--win-bg);max-width:90vw;overflow-x:auto;border:4px solid;border-top-color:var(--win-border-dark);border-left-color:var(--win-border-dark);border-right-color:var(--win-border-light);border-bottom-color:var(--win-border-light)}@media(max-width:768px){:root{--cell-size: 2rem}.led-display{font-size:1.2rem;min-width:50px;padding:.4rem .6rem}#game-stats{gap:1rem}.stat-label{font-size:.7rem}.led-display{font-size:1rem;min-width:40px;padding:.3rem .5rem}}.row{display:contents}.cell{width:var(--cell-size);height:var(--cell-size);box-sizing:border-box;display:grid;place-items:center;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;font-weight:900;font-size:1.3rem;-webkit-user-select:none;user-select:none;cursor:pointer;background-color:var(--win-bg);border:3px solid;border-top-color:var(--win-border-light);border-left-color:var(--win-border-light);border-right-color:var(--win-border-dark);border-bottom-color:var(--win-border-dark)}.cell.HIDDEN:hover{filter:brightness(1.05)}.cell.HIDDEN:active:not(.FLAGGED){border:1px solid var(--win-border-dark);transform:translate(1px,1px)}.cell.REVEALED{cursor:default;border:1px solid var(--win-border-dark);background-color:var(--win-revealed)}.cell.FLAGGED{font-size:1rem}.cell.MINE{background-color:#ff4d4d;border:1px solid #7a0000}.cell[data-val="1"]{color:#00f}.cell[data-val="2"]{color:green}.cell[data-val="3"]{color:red}.cell[data-val="4"]{color:navy}.cell[data-val="5"]{color:maroon}.cell[data-val="6"]{color:teal}.cell[data-val="7"]{color:#000}.cell[data-val="8"]{color:gray}footer{text-align:center;padding:1rem;font-size:.75rem;color:var(--color-text-muted)}