:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden;background:#111;color:#fafafa;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;touch-action:manipulation}.game-wrapper{display:flex;flex-direction:column;height:100vh;height:100dvh}.score-bar{display:flex;justify-content:space-between;padding:12px 20px;background:#0a0a0a;border-bottom:1px solid #222;flex-shrink:0}.score-item{display:flex;flex-direction:column;align-items:center}.score-label{font-size:.65rem;letter-spacing:.15em;color:#666;text-transform:uppercase}.score-value{font-size:1.5rem;font-weight:700;font-variant-numeric:tabular-nums;color:#fff}.game-board{flex:1;position:relative;overflow:hidden;background:#1a1a1a}.lane-divider{position:absolute;top:0;bottom:0;width:1px;background:#2a2a2a;z-index:1}.hit-zone{position:absolute;left:0;right:0;background:#ffffff08;border-top:2px solid rgba(255,255,255,.08);z-index:1;pointer-events:none}.tile{position:absolute;z-index:10;background:#000;border:1px solid #333;border-radius:6px;cursor:pointer;transition:background .1s,transform .05s}.tile:active{background:#222;transform:scale(.97)}.tile-hit{background:#1a3a1a;border-color:#2a5a2a;pointer-events:none;opacity:.6;animation:tileFade .25s ease-out forwards}@keyframes tileFade{to{opacity:0;transform:scale(.9)}}.lane-tap{position:absolute;top:0;bottom:0;z-index:5;cursor:pointer}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;gap:12px}.overlay h1{font-size:2.5rem;font-weight:800;letter-spacing:-.03em}.overlay p{color:#888;font-size:1rem}.final-score{font-size:1.4rem!important;color:#fff!important;font-weight:600}.new-record{font-size:1rem!important;color:#4ade80!important;font-weight:700;letter-spacing:.05em}.overlay button{margin-top:16px;padding:14px 48px;font-size:1.1rem;font-weight:700;letter-spacing:.05em;color:#000;background:#fff;border:none;border-radius:50px;cursor:pointer;transition:transform .1s,background .15s}.overlay button:hover{background:#ddd}.overlay button:active{transform:scale(.95)}