.lights-out-game{display:flex;flex-direction:column;align-items:center;min-height:100vh;padding:20px;--light-on:#00ffff;--light-on-glow:rgba(0, 255, 255, 0.4);--light-off:#111122}.lights-out-game .game-header{text-align:center;margin-bottom:20px}.lights-out-game .game-header h1{font-size:22px;color:var(--neon-blue);text-shadow:0 0 10px var(--neon-blue),0 0 30px var(--neon-blue);letter-spacing:4px;margin-bottom:8px}.lights-out-game .game-header .subtitle{font-size:9px;color:#888;letter-spacing:2px}.lights-out-game .score-bar{display:flex;gap:24px;margin-bottom:16px;padding:10px 20px;background:var(--color-panel);border:1px solid var(--color-border);border-radius:4px}.lights-out-game .stat{text-align:center}.lights-out-game .stat-label{font-size:8px;color:#666;margin-bottom:4px}.lights-out-game .stat-value{font-size:14px;color:var(--neon-blue);text-shadow:0 0 6px var(--neon-blue)}.lights-out-game .size-selector{display:flex;gap:8px;margin-bottom:16px;align-items:center}.lights-out-game .size-label{font-size:8px;color:#666;margin-right:4px}.lights-out-game .size-btn{font-family:'press start 2p',monospace;font-size:8px;padding:6px 12px;background:var(--color-panel);color:#666;border:1px solid var(--color-border);cursor:pointer;transition:border-color .2s,color .2s}.lights-out-game .size-btn.active{color:var(--neon-green);border-color:var(--neon-green)}.lights-out-game .board{display:grid;gap:6px;padding:12px;background:var(--color-panel);border:2px solid var(--color-border);border-radius:6px;margin-bottom:20px}.lights-out-game .cell{width:56px;height:56px;border:2px solid var(--color-border);border-radius:4px;cursor:pointer;transition:background .15s,box-shadow .15s,transform .1s;position:relative}.lights-out-game .cell:active{transform:scale(.93)}.lights-out-game .cell.off{background:var(--light-off)}.lights-out-game .cell.on{background:var(--light-on);box-shadow:0 0 15px var(--light-on-glow),0 0 30px var(--light-on-glow),inset 0 0 10px rgba(255,255,255,.15)}.lights-out-game .cell.hint{outline:2px dashed var(--neon-yellow);outline-offset:-2px}.lights-out-game .cell.ripple::after{content:'';position:absolute;top:50%;left:50%;width:10px;height:10px;background:rgba(255,255,255,.3);border-radius:50%;transform:translate(-50%,-50%)scale(0);animation:loRippleAnim .4s ease-out}@keyframes loRippleAnim{to{transform:translate(-50%,-50%)scale(6);opacity:0}}.lights-out-game .win-flash .cell.off{animation:loWinPulse .6s ease infinite alternate}@keyframes loWinPulse{from{background:var(--light-off)}to{background:#1a1a3e}}.lights-out-game .message{font-size:11px;min-height:20px;margin-bottom:16px;text-align:center;color:var(--neon-yellow);text-shadow:0 0 6px var(--neon-yellow)}.lights-out-game .controls{display:flex;gap:12px;margin-bottom:16px}.lights-out-game .btn{font-family:'press start 2p',monospace;font-size:10px;padding:10px 16px;background:var(--color-panel);color:var(--color-text);border:2px solid var(--color-border);cursor:pointer;transition:border-color .2s,color .2s}.lights-out-game .btn:hover{border-color:var(--neon-blue);color:var(--neon-blue)}.lights-out-game .btn:disabled{opacity:.4;cursor:not-allowed}.lights-out-game .theme-selector{display:flex;gap:8px;margin-bottom:12px;align-items:center}.lights-out-game .theme-label{font-size:8px;color:#666;margin-right:4px}.lights-out-game .theme-btn{width:20px;height:20px;border:2px solid var(--color-border);border-radius:50%;cursor:pointer;transition:border-color .2s,transform .2s}.lights-out-game .theme-btn:hover{transform:scale(1.2)}.lights-out-game .theme-btn.active{border-color:#fff}.lights-out-game .theme-cyan{background:#0ff}.lights-out-game .theme-pink{background:#f0f}.lights-out-game .theme-green{background:#0f0}.lights-out-game .theme-amber{background:#ff0}.lights-out-game .instructions{font-size:8px;color:#555;text-align:center;max-width:320px;line-height:1.8}.lights-out-game .high-score{margin-top:12px;font-size:8px;color:#666}.lights-out-game .high-score span{color:var(--neon-pink)}@media(max-width:480px){.lights-out-game .game-header h1{font-size:16px;letter-spacing:2px}.lights-out-game .score-bar{gap:16px;padding:8px 12px}.lights-out-game .stat-value{font-size:12px}.lights-out-game .cell{width:44px;height:44px}.lights-out-game .board{gap:4px;padding:8px}.lights-out-game .btn{font-size:8px;padding:8px 12px}.lights-out-game .message{font-size:9px}}