*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background-color:#111;display:flex;justify-content:center;align-items:center;height:100vh;overflow:hidden;color:#fff}#start-screen{position:fixed;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background-color:#000000d9;z-index:1000;background-image:radial-gradient(circle at center,#2a0a0a,#000);top:0;left:0}#start-screen.active{display:flex!important}#start-screen.hidden{display:none!important}.logo-container{width:80%;max-width:500px;margin-bottom:40px;animation:pulse 2s infinite ease-in-out;text-align:center}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}#game-logo{width:100%;max-width:400px;height:auto;filter:drop-shadow(0 0 20px rgba(255,0,0,.5));display:block;margin:0 auto}.menu-container{background-color:#280000b3;padding:30px;border-radius:10px;border:2px solid #6d1a1a;text-align:center;width:80%;max-width:400px;box-shadow:0 0 20px #6d1a1a80}.menu-container h1{font-size:28px;margin-bottom:30px;color:#fff;text-shadow:0 0 10px #ff0000,0 0 20px #ff0000}.menu-container h2{font-size:24px;margin-bottom:20px;color:#fff;text-shadow:0 0 10px #ff0000}.menu-buttons{display:flex;flex-direction:column;gap:15px;margin-bottom:20px}.menu-button{background-color:#6d1a1a;color:#fff;border:none;padding:12px 20px;font-size:18px;cursor:pointer;transition:all .3s ease;border-radius:5px;text-transform:uppercase;letter-spacing:1px}.menu-button:hover{background-color:#9e2626;transform:translateY(-2px);box-shadow:0 5px 15px #9e262666}.menu-button:active{transform:translateY(1px)}.game-version{font-size:12px;color:#999;margin-top:20px}#options-menu,#help-menu{position:absolute;width:100%;height:100%;display:flex;justify-content:center;align-items:center;background-color:#000000d9;z-index:101}.option-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding:10px;background-color:#0000004d;border-radius:5px}.option-row label{flex:1;text-align:left}.option-row input[type=range],.option-row select{flex:2;margin-left:10px;background-color:#333;color:#fff;border:1px solid #6d1a1a;padding:5px;border-radius:3px}.help-content{text-align:left;margin-bottom:20px}.help-content p{margin-bottom:10px;padding:8px;background-color:#0000004d;border-radius:5px}.github-container{margin-bottom:20px;display:flex;justify-content:center}.menu-github-link{display:flex;align-items:center;justify-content:center;text-decoration:none;color:#fff;background-color:#0000004d;padding:10px 15px;border-radius:5px;transition:all .3s ease}.menu-github-link:hover{background-color:#28282880;transform:scale(1.05)}.menu-github-link img{width:24px;height:24px;margin-right:10px}.menu-github-link span{font-size:16px}#game-container{position:relative;width:100%;height:100vh;overflow:hidden;box-shadow:0 0 20px #0009}#game-container.hidden{display:none}#game-container.active{display:block}#game-canvas,#game-canvas-3d{background-color:#000;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0}#game-canvas.active,#game-canvas-3d.active{z-index:10!important;visibility:visible!important;display:block!important;opacity:1!important}#game-canvas.inactive,#game-canvas-3d.inactive{z-index:-999!important;visibility:hidden!important;display:none!important;opacity:0!important;position:absolute!important;pointer-events:none!important}#level-up{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background-color:#000c;border:2px solid #6d1a1a;padding:20px;width:80%;text-align:center;z-index:30;border-radius:5px;box-shadow:0 0 15px #6d1a1a80;pointer-events:auto}#level-up h2{color:#fff;margin-bottom:15px;text-shadow:0 0 5px #ff0000;position:relative;z-index:31}.hidden{display:none}#weapon-choices{display:flex;justify-content:space-around;margin-top:20px;position:relative;z-index:31}.weapon-choice{padding:10px;background-color:#6d1a1a;border:1px solid #999;cursor:pointer;width:30%;transition:all .3s ease;border-radius:3px;position:relative;z-index:32}.weapon-choice:hover{background-color:#9e2626;transform:scale(1.05);box-shadow:0 0 10px #9e262699}.weapon-choice h3{font-size:18px;margin-bottom:5px}.weapon-choice p{font-size:12px}@media (max-width: 820px){.logo-container,.menu-container{width:90%}.menu-github-link span{font-size:14px}}.game-controls{position:absolute;bottom:10px;left:10px;background-color:#000000b3;padding:5px 10px;border-radius:4px;font-size:12px;z-index:30;color:#fff;border:1px solid #444;display:none}#game-container:hover .game-controls{display:block}#game-canvas-ui{position:absolute;top:0;left:0;width:100%!important;height:100%!important;z-index:30;pointer-events:none;display:block!important;visibility:visible!important}.loading-screen{position:absolute;top:0;left:0;width:100%;height:100%;background-color:#000c;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:150}.loading-spinner{width:60px;height:60px;border:5px solid rgba(255,0,0,.3);border-radius:50%;border-top-color:red;animation:spin 1s ease-in-out infinite;margin-bottom:20px}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{font-size:18px;color:#fff;text-shadow:0 0 10px #ff0000}#help-menu.hidden,#options-menu.hidden,#game-container.hidden{display:none!important}.touch-indicator{position:fixed;width:40px;height:40px;background:#ffffff4d;border:2px solid rgba(255,255,255,.5);border-radius:50%;pointer-events:none;z-index:1000;transform:translate(-50%,-50%);transition:all .1s ease-out;box-shadow:0 0 10px #ffffff4d}.touch-indicator:after{content:"";position:absolute;top:50%;left:50%;width:20px;height:20px;background:#ffffff80;border-radius:50%;transform:translate(-50%,-50%)}.mode-toggle-btn{position:fixed;bottom:15px;right:15px;background-color:#6d1a1a;color:#fff;border:none;padding:8px 15px;font-size:16px;cursor:pointer;border-radius:5px;z-index:9999;transition:all .3s ease;box-shadow:0 0 10px #00000080;display:block!important;opacity:1!important;-webkit-appearance:none;-webkit-tap-highlight-color:transparent}.mode-toggle-btn:hover{background-color:#9e2626;transform:scale(1.05)}.mode-toggle-btn:active{transform:scale(.95)}@media (max-width: 767px){.mode-toggle-btn{padding:12px 20px;font-size:18px;bottom:25px;right:25px;box-shadow:0 0 15px #000000b3;background-color:#8b2121;z-index:9999}.game-controls{display:none}}@supports (-webkit-touch-callout: none){.mode-toggle-btn{position:fixed!important;bottom:35px!important;right:25px!important;padding:15px 25px!important;font-size:20px!important;background-color:#b02525!important;box-shadow:0 0 20px #f006!important;-webkit-transform:translateZ(0);border:2px solid #ffffff!important}}