:root{--bg-color: #111;--text-color: #fff;--accent-color: #facc15;--modal-bg: rgba(20, 20, 20, .95);--border-color: #333}*{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}body{font-family:Inter,sans-serif;background-color:var(--bg-color);background-image:url(/background.png);background-size:cover;background-position:center;background-repeat:no-repeat;color:var(--text-color);overflow:hidden;height:100vh;display:flex;justify-content:center;align-items:center}#app{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center}#mobile-warning{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#000;z-index:9999;justify-content:center;align-items:center;text-align:center;padding:2rem}@media (max-width: 768px){#mobile-warning{display:flex}#app{display:none}}#game-container{position:relative;border:4px solid #2563eb;border-radius:8px;box-shadow:0 0 15px #2563eb,0 0 30px #2563eb80;background:#000}canvas{display:block;image-rendering:pixelated;image-rendering:crisp-edges}#ui-layer{position:absolute;top:10px;left:10px;pointer-events:none}#score-board{font-size:1.5rem;font-weight:700;color:var(--accent-color)}.hidden{display:none!important}#dialog-modal,#victory-modal{position:absolute;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:100;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.dialog-content,.victory-content{background:#000000d9;padding:3rem;border-radius:20px;border:2px solid #2563eb;box-shadow:0 0 20px #2563eb4d;max-width:500px;width:90%;text-align:center;animation:popIn .3s ease-out}@keyframes popIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.ghost-portrait{margin-bottom:1rem;position:relative;display:inline-block}#ghost-image{width:100px;display:none}.ghost-logo{width:160px;height:160px;border-radius:50%;border:4px solid var(--accent-color);object-fit:cover;margin-top:1rem;box-shadow:0 0 15px #facc154d}.victory-image{max-width:100%;height:auto;margin:1rem 0;border-radius:8px;box-shadow:0 0 15px #facc154d}h2{color:var(--accent-color);margin-bottom:.5rem}p{font-size:1.1rem;line-height:1.5;margin-bottom:1.5rem;user-select:text;-webkit-user-select:text;-moz-user-select:text;-ms-user-select:text}.highlight{color:#4ade80;font-weight:700;font-size:1.2rem}button{background:var(--accent-color);color:#000;border:none;padding:.8rem 1.5rem;font-size:1rem;font-weight:700;border-radius:6px;cursor:pointer;transition:transform .1s,filter .1s}button:hover{filter:brightness(1.1);transform:scale(1.05)}#main-menu{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:50;background:#000000b3;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.menu-content{text-align:center;margin-bottom:auto;margin-top:auto}.cooper-logo{max-width:150px;height:auto;margin-bottom:1rem}.game-title{font-family:Inter,sans-serif;font-size:5rem;font-weight:900;color:#facc15;text-shadow:0 0 20px #facc15,4px 4px 0px #b45309;margin-bottom:.5rem;letter-spacing:2px}.subtitle{font-size:1.5rem;color:#fff;margin-bottom:2rem;text-shadow:0 0 10px rgba(255,255,255,.5)}.instructions{font-size:1.2rem;color:#ccc;margin-bottom:3rem;font-weight:300;display:flex;align-items:center;justify-content:center;gap:10px}.key-icon{width:40px;height:40px;vertical-align:middle;filter:brightness(0) invert(1)}.key-icon:last-of-type{height:35px}.neon-btn{background:transparent;color:#fff;border:4px solid #2563eb;padding:1rem 3rem;font-size:1.5rem;font-weight:700;border-radius:50px;cursor:pointer;box-shadow:0 0 15px #2563eb,inset 0 0 15px #2563eb;text-shadow:0 0 5px #fff;transition:all .3s ease;text-transform:uppercase;letter-spacing:2px}.neon-btn:hover{background:#2563eb;color:#fff;box-shadow:0 0 30px #2563eb,inset 0 0 30px #2563eb;transform:scale(1.1)}footer{margin-bottom:2rem;color:#3b82f6;font-size:.9rem;text-shadow:0 0 5px rgba(59,130,246,.5)}