.install-prompt-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:10000;padding:20px}.install-prompt-modal{background:#fff;border-radius:16px;max-width:400px;width:100%;box-shadow:0 20px 40px #00000026;overflow:hidden;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.install-prompt-header{display:flex;justify-content:space-between;align-items:center;padding:20px 20px 0}.install-prompt-header h3{margin:0;font-size:20px;font-weight:600;color:#333}.install-prompt-close{background:none;border:none;font-size:20px;cursor:pointer;color:#666;padding:5px;border-radius:50%;width:30px;height:30px;display:flex;align-items:center;justify-content:center}.install-prompt-close:hover{background-color:#f5f5f5}.install-prompt-content{padding:20px;text-align:center}.install-prompt-icon{margin-bottom:15px}.install-prompt-icon img{width:80px;height:80px;border-radius:16px;box-shadow:0 4px 12px #00000026}.install-prompt-content p{margin:0 0 15px;color:#666;font-size:16px}.install-benefits{list-style:none;padding:0;margin:0;text-align:left}.install-benefits li{padding:8px 0;color:#555;font-size:14px}.install-prompt-actions{padding:0 20px 20px;display:flex;gap:10px}.install-prompt-btn{flex:1;padding:12px 20px;border:none;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer;transition:all .2s ease}.install-btn{background:#007aff;color:#fff}.install-btn:hover{background:#0056cc;transform:translateY(-1px)}.dismiss-btn{background:#f5f5f5;color:#666}.dismiss-btn:hover{background:#e5e5e5}@media (max-width: 480px){.install-prompt-modal{margin:10px;max-width:none}.install-prompt-actions{flex-direction:column}.install-prompt-btn{width:100%}}