.achievement-popup{position:fixed;bottom:30px;right:30px;z-index:9999;max-width:350px;background-color:rgba(44,62,80,.95);color:#fff;border-radius:8px;box-shadow:0 4px 15px rgba(0,0,0,.3);overflow:hidden;opacity:1;transform:translateX(0);transition:opacity .5s ease,transform .5s ease;margin-top:10px;border:2px solid #f1c40f}.achievement-popup:nth-child(2){bottom:120px}.achievement-popup:nth-child(3){bottom:210px}.achievement-content{display:flex;padding:15px;align-items:center}.achievement-icon{flex:0 0 40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#f1c40f;margin-right:15px}.achievement-text{flex:1}.achievement-text h3{margin:0 0 5px 0;font-size:16px;font-weight:700;color:#f1c40f}.achievement-text p{margin:0;font-size:14px;line-height:1.4}.achievement-close{background:0 0;border:none;color:#95a5a6;cursor:pointer;padding:5px;margin-left:10px;font-size:14px;outline:0;transition:color .2s}.achievement-close:hover{color:#ecf0f1}.achievement-hiding{opacity:0;transform:translateX(30px)}@keyframes achievementAppear{0%{opacity:0;transform:translateY(20px)}100%{opacity:1;transform:translateY(0)}}.achievement-popup{animation:achievementAppear .5s ease forwards}.achievement-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:15px;margin-top:20px}.achievement-item{background-color:rgba(44,62,80,.8);border-radius:8px;padding:15px;display:flex;align-items:center;transition:transform .2s,box-shadow .2s}.achievement-item:hover{transform:translateY(-3px);box-shadow:0 5px 15px rgba(0,0,0,.2)}.achievement-item .achievement-icon{background-color:rgba(241,196,15,.2);border-radius:50%;width:50px;height:50px;display:flex;align-items:center;justify-content:center;margin-right:15px}.achievement-item.locked{opacity:.6;filter:grayscale(1)}.achievement-item.locked .achievement-icon{background-color:rgba(189,195,199,.2);color:#bdc3c7}.achievement-details h4{margin:0 0 5px 0;font-size:16px}.achievement-details p{margin:0;font-size:14px;color:#bdc3c7}.achievement-date{font-size:12px;color:#95a5a6;margin-top:8px}.achievement-item{opacity:1;transform:translateY(0);transition:opacity .3s ease,transform .3s ease;will-change:transform,opacity}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.achievement-hidden{display:none;opacity:0;transform:translateY(20px)}