:root{--bg: #0d0d0d;--fg: #e8e8e8;--dim: #4d4d4d;--player: #ff3b3b;--goal: #ffd400;--win: #39ff14;--font: "Press Start 2P", monospace}*{margin:0;padding:0;box-sizing:border-box}html,body{background:var(--bg)}#app{display:flex;align-items:center;justify-content:center;height:100vh;font-family:var(--font);color:var(--fg)}.scene{display:flex;flex-direction:column;align-items:center;gap:16px}.hud{display:flex;align-items:center;justify-content:space-between;width:500px}.hud-block{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:70px}.countdown{font-size:1.3rem;color:var(--fg)}.countdown.warning{color:var(--goal)}.countdown.critical{color:var(--player);animation:blink .5s steps(1) infinite}.status{font-size:.55rem;letter-spacing:.05em;min-height:1em;color:var(--goal)}.status.win{color:var(--win)}.status.lose{color:var(--player)}.hearts{display:flex;gap:8px}.heart{--heart-color: var(--player);position:relative;width:16px;height:14px}.heart:before{content:"";position:absolute;top:0;left:0;width:2px;height:2px;background:transparent;box-shadow:2px 0 var(--heart-color),4px 0 var(--heart-color),10px 0 var(--heart-color),12px 0 var(--heart-color),0 2px var(--heart-color),2px 2px var(--heart-color),4px 2px var(--heart-color),6px 2px var(--heart-color),8px 2px var(--heart-color),10px 2px var(--heart-color),12px 2px var(--heart-color),14px 2px var(--heart-color),0 4px var(--heart-color),2px 4px var(--heart-color),4px 4px var(--heart-color),6px 4px var(--heart-color),8px 4px var(--heart-color),10px 4px var(--heart-color),12px 4px var(--heart-color),14px 4px var(--heart-color),0 6px var(--heart-color),2px 6px var(--heart-color),4px 6px var(--heart-color),6px 6px var(--heart-color),8px 6px var(--heart-color),10px 6px var(--heart-color),12px 6px var(--heart-color),14px 6px var(--heart-color),2px 8px var(--heart-color),4px 8px var(--heart-color),6px 8px var(--heart-color),8px 8px var(--heart-color),10px 8px var(--heart-color),12px 8px var(--heart-color),4px 10px var(--heart-color),6px 10px var(--heart-color),8px 10px var(--heart-color),10px 10px var(--heart-color),6px 12px var(--heart-color),8px 12px var(--heart-color)}.heart.lost{--heart-color: var(--dim)}.maze-frame{position:relative;padding:12px;border:3px solid var(--fg)}.legend{display:flex;gap:24px;font-size:.55rem}.legend-item{display:flex;align-items:center;gap:8px;color:var(--fg)}.legend-swatch{width:10px;height:10px}.legend-swatch.player{background:var(--player)}.legend-swatch.destination{background:var(--goal)}.maze{position:relative;display:grid;width:500px;height:500px;grid-template-rows:repeat(7,1fr);grid-template-columns:repeat(7,1fr);background:var(--bg);overflow:hidden}.maze.shake{animation:shake .4s steps(4)}.maze.shake:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--player);opacity:0;animation:flash .3s steps(2);pointer-events:none}.maze .cell{position:relative;display:flex;align-items:center;justify-content:center}.cell.wall-top{border-top:2px solid var(--fg)}.cell.wall-right{border-right:2px solid var(--fg)}.cell.wall-down{border-bottom:2px solid var(--fg)}.cell.wall-left{border-left:2px solid var(--fg)}.cell .path{width:4px;height:4px;background:var(--dim)}.special-path.player{width:14px;height:14px;background:var(--player)}.special-path.destination{width:14px;height:14px;background:var(--goal);animation:blink .6s steps(1) infinite}.cell.top-wall-impacted{border-top:2px solid var(--player)!important}.cell.right-wall-impacted{border-right:2px solid var(--player)!important}.cell.bottom-wall-impacted{border-bottom:2px solid var(--player)!important}.cell.left-wall-impacted{border-left:2px solid var(--player)!important}.maze.hide .cell.wall-top{border-top-color:transparent}.maze.hide .cell.wall-right{border-right-color:transparent}.maze.hide .cell.wall-down{border-bottom-color:transparent}.maze.hide .cell.wall-left{border-left-color:transparent}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:none;align-items:center;justify-content:center;background:#000000d9}.overlay.show{display:flex}.overlay-panel{display:flex;flex-direction:column;align-items:center;gap:16px;padding:24px 32px;border:3px solid var(--fg);background:var(--bg)}.overlay-title{font-size:.9rem;color:var(--fg)}.overlay.win .overlay-title{color:var(--win)}.overlay.lose .overlay-title{color:var(--player)}.retry-btn{font-family:var(--font);font-size:.6rem;padding:10px 16px;border:2px solid var(--fg);background:var(--bg);color:var(--fg);cursor:pointer}.retry-btn:hover{background:var(--fg);color:var(--bg)}@keyframes blink{0%,49%{opacity:1}50%,to{opacity:.2}}@keyframes shake{0%{transform:translate(0)}25%{transform:translate(4px)}50%{transform:translate(-4px)}75%{transform:translate(4px)}to{transform:translate(0)}}@keyframes flash{0%{opacity:.3}to{opacity:0}}