:root{--background: #1a1a2e;--text: #ffffff;--accent: #e94560;--panel-bg: #16213e;--success: #00ff88}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,system-ui,sans-serif;background-color:var(--background);color:var(--text);min-height:100vh;display:flex;justify-content:center;align-items:center}#app{display:flex;flex-direction:column;align-items:center;gap:20px;padding:20px}header h1{font-size:2.5rem;font-weight:700;letter-spacing:.5em;color:var(--text);text-shadow:0 0 20px var(--accent)}main{position:relative;display:flex;gap:30px;align-items:flex-start}.sidebar{display:flex;flex-direction:column;gap:30px;min-width:150px}.preview-section,.score-section{background:var(--panel-bg);padding:15px;border-radius:8px;text-align:center}.preview-section h2,.score-section h2{font-size:.875rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:#ffffffb3;margin-bottom:10px}.preview-stack{display:flex;flex-direction:column;gap:10px;align-items:center}.preview-canvas{display:block;border-radius:4px}.preview-canvas.secondary{transform:scale(.7);opacity:.6;margin:-18px 0}#score{font-size:2.5rem;font-weight:700;color:var(--accent)}@keyframes score-gulp{0%{transform:scale(1)}50%{transform:scale(1.2)}to{transform:scale(1)}}#score.gulping{animation:score-gulp .12s ease-out}@keyframes electric-pulse{0%,to{filter:brightness(1.3) saturate(1.5);opacity:1}50%{filter:brightness(2) saturate(2);opacity:.85}}.game-board{position:relative}#main-canvas{display:block;border-radius:8px;cursor:pointer}.game-over-overlay{position:fixed;inset:0;background:#1a1a2ef2;display:flex;justify-content:center;align-items:center;z-index:1000;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.game-over-overlay.visible{opacity:1;visibility:visible}.game-over-content{text-align:center;padding:30px}.game-over-content h2{font-size:2rem;font-weight:700;color:var(--accent);margin-bottom:15px;text-transform:uppercase;letter-spacing:.1em}.death-reason{font-size:1.1rem;color:#fffc;margin-bottom:20px}.final-score{display:flex;flex-direction:column;gap:5px;margin-bottom:25px}.final-score span:first-child{font-size:.875rem;text-transform:uppercase;letter-spacing:.1em;color:#ffffffb3}.final-score-value{font-size:3rem;font-weight:700;color:var(--success)}.restart-button{background:var(--accent);color:var(--text);border:none;padding:12px 30px;font-size:1rem;font-weight:600;border-radius:6px;cursor:pointer;text-transform:uppercase;letter-spacing:.05em;transition:transform .2s ease,box-shadow .2s ease}.restart-button:hover{transform:translateY(-2px);box-shadow:0 4px 15px #e9456066}.restart-button:active{transform:translateY(0)}@media(orientation:portrait){main{flex-direction:column;align-items:center}.game-board{order:1}.sidebar{order:2;width:100%;max-width:400px;flex-direction:row;justify-content:space-around;gap:20px}.preview-section,.score-section{flex:1}}@media(max-width:600px){#app{padding:10px}header h1{font-size:1.8rem;letter-spacing:.3em}main{flex-direction:column;align-items:center;gap:20px}.game-board{order:1}.sidebar{order:2;width:100%;max-width:400px;flex-direction:row;justify-content:space-around;gap:15px}.preview-section,.score-section{flex:1;padding:12px}#main-canvas{max-width:100%;height:auto}}