*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#0a0a0a;color:#fff;overflow:hidden;width:100vw;height:100vh;user-select:none;-webkit-user-select:none;-moz-user-select:none}#gameContainer{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000;display:flex;align-items:center;justify-content:center;overflow:hidden}#gameCanvas{position:relative;width:min(90vw,90vh * 1.4);height:min(90vh,90vw / 1.4);max-width:1200px;max-height:750px;background:#000;border:3px solid #444;border-radius:12px;box-shadow:0 0 40px #ff6b354d,inset 0 0 20px #00000080;touch-action:none;margin:auto}#gameUI{position:absolute;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:10}.screen{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#000c;opacity:0;visibility:hidden;transition:all .3s ease;pointer-events:none}.screen.active{opacity:1;visibility:visible;pointer-events:auto}.screen-content{text-align:center;padding:2rem;background:#0a0a0af2;border-radius:16px;border:2px solid #333;box-shadow:0 20px 40px #000000b3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-width:450px;width:90%;margin:auto;display:flex;flex-direction:column;align-items:center;justify-content:center}.game-title{font-size:3rem;font-weight:700;background:linear-gradient(135deg,#ff6b35,#f7931e);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem;text-shadow:0 0 20px rgba(255,107,53,.3)}.game-subtitle{font-size:1.5rem;color:#ccc;margin-bottom:1rem}.game-description{color:#999;margin-bottom:2rem;line-height:1.5}.game-button{background:linear-gradient(135deg,#ff6b35,#f7931e);color:#fff;border:none;padding:12px 24px;font-size:1.1rem;font-weight:700;border-radius:8px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #ff6b354d;pointer-events:auto}.game-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #ff6b3566}.game-button:active{transform:translateY(0)}.mute-button{position:absolute;top:20px;right:20px;background:#ffffff1a;border:none;color:#fff;width:50px;height:50px;border-radius:50%;font-size:1.5rem;cursor:pointer;transition:all .3s ease;pointer-events:auto}.mute-button:hover{background:#fff3}#gameHUD{background:transparent;pointer-events:none}.hud-timer{position:fixed;top:20px;left:50%;transform:translate(-50%);background:#000c;padding:10px 20px;border-radius:20px;border:2px solid #ff6b35;box-shadow:0 0 20px #ff6b354d;z-index:1000}#timeDisplay{font-size:1.5rem;font-weight:700;color:#ff6b35;text-shadow:0 0 10px rgba(255,107,53,.5)}.hud-controls{position:fixed;bottom:20px;left:50%;transform:translate(-50%);z-index:1000}.controls-hint{background:#0009;padding:8px 16px;border-radius:16px;font-size:.9rem;color:#ccc}.victory-title{font-size:2.5rem;color:#4ade80;margin-bottom:1.5rem;text-shadow:0 0 20px rgba(74,222,128,.3);text-align:center;line-height:1.2}.victory-text,.victory-time{color:#a3e635;margin-bottom:1rem;text-align:center;font-size:1.1rem}.defeat-title{font-size:2.5rem;color:#ef4444;margin-bottom:1.5rem;text-shadow:0 0 20px rgba(239,68,68,.3);text-align:center;line-height:1.2}.defeat-text{color:#fca5a5;margin-bottom:1rem;text-align:center;font-size:1.1rem}.difficulty-title{font-size:2rem;color:#ff6b35;margin-bottom:2rem;text-shadow:0 0 20px rgba(255,107,53,.3)}.difficulty-buttons{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.difficulty-button{background:#ffffff1a;border:2px solid transparent;color:#fff;padding:1rem 1.5rem;border-radius:12px;cursor:pointer;transition:all .3s ease;text-align:left;display:flex;flex-direction:column;gap:.5rem;pointer-events:auto}.difficulty-button:hover{background:#fff3;transform:translateY(-2px)}.difficulty-button.easy{border-color:#4ade80;box-shadow:0 4px 15px #4ade8033}.difficulty-button.easy:hover{box-shadow:0 6px 20px #4ade804d}.difficulty-button.medium{border-color:#f59e0b;box-shadow:0 4px 15px #f59e0b33}.difficulty-button.medium:hover{box-shadow:0 6px 20px #f59e0b4d}.difficulty-button.hard{border-color:#ef4444;box-shadow:0 4px 15px #ef444433}.difficulty-button.hard:hover{box-shadow:0 6px 20px #ef44444d}.difficulty-name{font-size:1.2rem;font-weight:700}.difficulty-desc{font-size:.9rem;color:#ccc}.back-button{background:#ffffff1a;border:1px solid #666;color:#ccc;padding:8px 16px;border-radius:6px;cursor:pointer;transition:all .3s ease;pointer-events:auto}.back-button:hover{background:#fff3;color:#fff}.hud-difficulty{position:fixed;top:20px;right:20px;background:#000c;padding:8px 16px;border-radius:16px;border:1px solid #666;font-size:.9rem;color:#ccc;z-index:1000}.mobile-only{display:none}@media (hover: none) and (pointer: coarse){.mobile-only{display:block}#mobileControls{position:absolute;bottom:20px;right:20px;z-index:20;pointer-events:auto}.dpad{display:grid;grid-template-rows:1fr 1fr 1fr;gap:4px;width:120px;height:120px}.dpad-middle{display:grid;grid-template-columns:1fr 1fr 1fr;gap:4px}.dpad-btn{background:#ff6b35cc;border:none;border-radius:8px;color:#fff;font-size:1.2rem;font-weight:700;cursor:pointer;touch-action:manipulation;-webkit-user-select:none;-moz-user-select:none;user-select:none;display:flex;align-items:center;justify-content:center;min-height:36px}.dpad-btn:active{background:#ff6b35;transform:scale(.95)}#upBtn,#downBtn{grid-column:2}}@media (max-width: 768px){.game-title{font-size:2rem}.screen-content{padding:1.5rem}.hud-timer{top:10px}.hud-difficulty{top:10px;right:10px;font-size:.8rem}.controls-hint{display:none}.difficulty-title{font-size:1.5rem}.difficulty-buttons{gap:.8rem}.difficulty-button{padding:.8rem 1rem}}@keyframes pulse{0%{opacity:1}50%{opacity:.5}to{opacity:1}}.loading{animation:pulse 1s infinite}.glow{filter:drop-shadow(0 0 10px rgba(255,107,53,.5))}::-webkit-scrollbar{display:none}html{-ms-overflow-style:none;scrollbar-width:none}