body{font-family:'Arial',sans-serif;display:flex;justify-content:center;align-items:center;min-height:100vh;margin:0;background-color:#f4f4f4;color:#333}.container{display:flex;flex-direction:column;align-items:center;padding:20px;background-color:#fff;border-radius:8px;box-shadow:0 0 10px rgba(0,0,0,0.1);width:90%;max-width:600px;margin:20px;border:2px solid #ddd;transition:background-color .3s ease,color .3s ease}.header{text-align:center;margin-bottom:20px}.click-area{display:flex;flex-direction:column;align-items:center;margin-bottom:20px}.click-button{padding:15px 30px;font-size:1.2em;border:0;border-radius:5px;background-color:#007bff;color:white;cursor:pointer;transition:background-color .3s ease}.click-button:hover{background-color:#0056b3}.score-display{margin-top:10px;font-size:1.1em}.upgrades-area,.customization-area{width:100%;margin-bottom:20px;padding:15px;border:2px solid #ddd;border-radius:5px;transition:background-color .3s ease,color .3s ease}.upgrades-list{display:flex;flex-direction:column;gap:10px;margin-top:10px}.upgrade-item{background-color:#eee;padding:10px;border-radius:5px;display:flex;justify-content:space-between;align-items:center;border:2px solid #ccc;transition:background-color .3s ease,color .3s ease}.upgrade-details{flex-grow:1}.upgrade-name{font-weight:bold}.upgrade-cost{font-size:.9em;color:#777}.upgrade-button{padding:8px 15px;border:0;border-radius:5px;background-color:#28a745;color:white;cursor:pointer;font-size:.9em;transition:background-color .3s ease}.upgrade-button:disabled{background-color:#aaa;cursor:not-allowed}.upgrade-button:hover:not(:disabled){background-color:#1e7e34}.language-selector label,.language-selector select{margin-right:10px;font-size:1em}@media(max-width:768px){.container{width:95%;margin:10px;padding:15px}.click-button{padding:10px 20px;font-size:1em}.score-display{font-size:1em}.upgrades-area,.customization-area{padding:10px}}.modal{display:none;position:fixed;z-index:1;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:#000;background-color:rgba(0,0,0,0.4)}.modal-content{background-color:#fefefe;margin:15% auto;padding:20px;border:2px solid #888;width:80%;border-radius:8px;box-shadow:0 4px 8px 0 rgba(0,0,0,0.2);position:relative;transition:background-color .3s ease,color .3s ease}.close-button{position:absolute;top:10px;right:15px;color:#aaa;font-size:28px;font-weight:bold;cursor:pointer}.close-button:hover,.close-button:focus{color:black;text-decoration:none;cursor:pointer}