:root{--bg-color: #e9e3d9;--text-color: #333;--canvas-bg: #fdf6e3;--border-color: #d1c9b8;--btn-bg: #4a90e2;--btn-text: #fff;--btn-hover: #357abd}body.dark-mode{--bg-color: #1a1a2e;--text-color: #e6e6e6;--canvas-bg: #16213e;--border-color: #0f3460;--btn-bg: #e94560;--btn-text: #fff;--btn-hover: #d1304a}*{box-sizing:border-box;margin:0;padding:0}body{font-family:"Press Start 2P",cursive;background-color:var(--bg-color);color:var(--text-color);display:flex;justify-content:center;align-items:center;height:100vh;height:100dvh;overflow:hidden;transition:background-color .3s,color .3s}.game-container{width:100vw;height:100dvh;padding:0;margin:0;max-width:none;display:block}.header{display:flex;justify-content:space-between;align-items:center}.title{font-size:16px;text-shadow:1px 1px 0 rgba(0,0,0,.5)}.controls{display:flex;gap:15px;align-items:center}.score-display{font-size:12px;text-shadow:1px 1px 0 rgba(0,0,0,.5)}.lives{display:flex;gap:5px;font-size:16px}.lives span{transition:opacity .3s}.lives span.empty{opacity:.3;filter:grayscale(100%)}.theme-btn{background:none;border:none;font-size:24px;cursor:pointer;filter:drop-shadow(0 2px 4px rgba(0,0,0,.2));transition:transform .2s}.theme-btn:hover{transform:scale(1.1)}.canvas-container{position:relative;width:100%;height:100%;border:none;background-color:var(--canvas-bg);overflow:hidden;transition:background-color .3s}canvas{display:block;width:100%;height:100%;object-fit:fill;image-rendering:pixelated}.absolute-header{position:absolute;top:20px;left:20px;right:20px;z-index:10;color:var(--text-color)}.lives{text-shadow:1px 1px 0 rgba(0,0,0,.5)}.overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000b3;color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px;opacity:0;pointer-events:none;transition:opacity .3s;text-align:center}.overlay.active{opacity:1;pointer-events:auto}.overlay h2{font-size:24px;color:#ffb703;text-shadow:2px 2px 0 #fb8500}.overlay p{font-size:12px;line-height:1.5}.retro-btn{-webkit-appearance:none;appearance:none;font-family:"Press Start 2P",cursive;background-color:var(--btn-bg);color:var(--btn-text);border:none;padding:15px 30px;font-size:14px;border-radius:4px;cursor:pointer;box-shadow:0 4px #0003;transition:background-color .2s,transform .1s}.retro-btn:hover{background-color:var(--btn-hover)}.retro-btn:active{transform:translateY(4px);box-shadow:none}.header-theme-btn{padding:8px 12px;font-size:12px;line-height:1;text-align:center}.instructions{text-align:center;font-size:10px;opacity:.7;margin-top:10px}.portrait-warning{display:none;position:fixed;inset:0;background:var(--bg-color);color:var(--text-color);z-index:9999;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px}.portrait-warning h2{font-size:20px;margin-bottom:10px;color:#ffb703}.portrait-warning p{font-size:12px;line-height:1.5}@keyframes spinFlip{0%{transform:rotate(0)}40%{transform:rotate(-90deg)}to{transform:rotate(-90deg)}}.spin-phone{animation:spinFlip 2s infinite alternate ease-in-out}@keyframes lockStateBg{0%,49.9%{fill:#e5e5ea}50%,to{fill:#3a3a3c}}@keyframes lockStateIcon{0%,49.9%{color:#ff3b30}50%,to{color:#fff}}@keyframes lockStateKeyhole{0%,49.9%{fill:#e5e5ea}50%,to{fill:#3a3a3c}}@keyframes lockStateShackleClosed{0%,49.9%{opacity:1}50%,to{opacity:0}}@keyframes lockStateShackleOpen{0%,49.9%{opacity:0}50%,to{opacity:1}}.lock-tile .tile-bg{animation:lockStateBg 3s infinite}.lock-tile .tile-icon{animation:lockStateIcon 3s infinite}.lock-tile .keyhole{animation:lockStateKeyhole 3s infinite}.shackle-closed{animation:lockStateShackleClosed 3s infinite}.shackle-open{animation:lockStateShackleOpen 3s infinite}@media screen and (orientation:portrait)and (max-width:768px){.portrait-warning{display:flex}.game-container{display:none}}