.pwa-install-banner{position:fixed;bottom:0;left:0;right:0;background:linear-gradient(135deg,#134a79,#1e88e5);color:#fff;z-index:1000;box-shadow:0 -4px 20px #00000026;transform:translateY(100%);transition:transform .3s ease-out}.pwa-install-banner.show{transform:translateY(0)}.pwa-banner-content{display:flex;align-items:center;padding:16px;max-width:100%;margin:0 auto}.pwa-banner-icon{flex-shrink:0;margin-right:12px}.pwa-banner-icon img{width:48px;height:48px;border-radius:12px;border:2px solid rgba(255,255,255,.3)}.pwa-banner-text{flex:1;min-width:0}.pwa-banner-text h4{margin:0 0 4px;font-size:16px;font-weight:600;color:#fff}.pwa-banner-text p{margin:0;font-size:14px;opacity:.9;line-height:1.4}.pwa-banner-actions{display:flex;flex-direction:column;gap:8px;flex-shrink:0;margin-left:12px}.pwa-install-btn{background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3);padding:8px 16px;border-radius:20px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;white-space:nowrap}.pwa-install-btn:hover{background:#ffffff4d;transform:translateY(-1px)}.pwa-later-btn{background:transparent;color:#ffffffb3;border:none;padding:4px 8px;border-radius:12px;font-size:12px;cursor:pointer;transition:color .2s ease}.pwa-later-btn:hover{color:#fff}.pwa-dismiss-btn{position:absolute;top:8px;right:8px;background:transparent;color:#ffffffb3;border:none;font-size:20px;line-height:1;cursor:pointer;padding:4px;border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.pwa-dismiss-btn:hover{color:#fff;background:#ffffff1a}@media (max-width: 480px){.pwa-banner-content{padding:12px}.pwa-banner-icon img{width:40px;height:40px}.pwa-banner-text h4{font-size:14px}.pwa-banner-text p{font-size:12px}.pwa-banner-actions{flex-direction:row;align-items:center;gap:6px}.pwa-install-btn{padding:6px 12px;font-size:12px}.pwa-later-btn{font-size:11px;padding:3px 6px}}@media (max-width: 360px){.pwa-banner-content{flex-wrap:wrap;gap:8px}.pwa-banner-text{flex-basis:100%;order:2}.pwa-banner-icon{order:1}.pwa-banner-actions{order:3;flex-basis:100%;justify-content:center;margin-left:0;margin-top:8px}}.pwa-install-banner{animation:slideUp .4s ease-out}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}@media (prefers-color-scheme: dark){.pwa-install-banner{background:linear-gradient(135deg,#0d47a1,#1565c0)}}.pwa-instructions-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:999999;padding:20px;animation:fadeIn .3s ease-out}.pwa-instructions-modal{background:#fff;border-radius:16px;max-width:400px;width:100%;max-height:90vh;overflow:hidden;box-shadow:0 20px 40px #0003;animation:slideUp .3s ease-out}.pwa-instructions-header{position:relative;padding:24px;text-align:center;background:linear-gradient(135deg,#134a79,#1e88e5);color:#fff}.pwa-instructions-icon img{width:60px;height:60px;border-radius:12px;margin-bottom:12px;border:2px solid rgba(255,255,255,.3)}.pwa-instructions-header h3{margin:0 0 8px;font-size:20px;font-weight:600}.pwa-instructions-header p{margin:0;font-size:14px;opacity:.9;line-height:1.4}.pwa-instructions-close{position:absolute;top:16px;right:16px;background:transparent;color:#fffc;border:none;font-size:24px;cursor:pointer;padding:4px;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.pwa-instructions-close:hover{color:#fff;background:#ffffff1a}.pwa-instructions-content{padding:24px}.steps-indicator{display:flex;justify-content:center;gap:8px;margin-bottom:24px}.step-dot{width:8px;height:8px;border-radius:50%;background:#e0e0e0;transition:all .3s ease}.step-dot.active{background:#1e88e5;transform:scale(1.2)}.step-dot.completed{background:#4caf50}.step-content{display:flex;flex-direction:column;gap:20px}.step-visual{display:flex;justify-content:center;align-items:center;min-height:180px}.share-button-demo{position:relative;background:#f5f5f5;border-radius:12px;padding:12px;border:2px solid #e0e0e0}.browser-bar{display:flex;align-items:center;background:#fff;border-radius:8px;padding:8px 12px;border:1px solid #ddd}.browser-url{flex:1;font-size:12px;color:#666;text-align:center}.share-icon{color:#007aff;font-size:20px;margin-left:8px}.tap-indicator{position:absolute;top:50%;right:20px;transform:translateY(-50%);width:30px;height:30px;border:3px solid #007aff;border-radius:50%;animation:tap 1.5s infinite}@keyframes tap{0%,to{transform:translateY(-50%) scale(1);opacity:1}50%{transform:translateY(-50%) scale(1.2);opacity:.7}}.share-menu-demo{background:#fff;border-radius:12px;padding:8px;box-shadow:0 4px 20px #0000001a;min-width:200px}.menu-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:8px;position:relative;transition:background .2s ease}.menu-item:hover{background:#f5f5f5}.menu-item:first-child{background:#e3f2fd;color:#1976d2}.highlight-bar{position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:60%;background:#1976d2;border-radius:2px}.add-to-home-demo{background:#fff;border-radius:12px;padding:16px;box-shadow:0 4px 20px #0000001a;display:flex;align-items:center;gap:12px;border:2px solid #e0e0e0}.app-icon img{width:48px;height:48px;border-radius:10px}.app-info{flex:1}.app-name{font-weight:600;font-size:16px;color:#333}.app-url{font-size:12px;color:#666;margin-top:2px}.add-button{background:#007aff;color:#fff;border:none;padding:8px 16px;border-radius:20px;font-weight:500;cursor:pointer;transition:all .2s ease}.add-button:hover{background:#0056b3;transform:translateY(-1px)}.step-text{text-align:center}.step-number{font-size:12px;color:#666;margin-bottom:8px;font-weight:500}.step-text h4{margin:0 0 8px;font-size:18px;font-weight:600;color:#333}.step-text p{margin:0;font-size:14px;color:#666;line-height:1.5}.pwa-instructions-footer{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-top:1px solid #eee;background:#f9f9f9}.step-nav-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:20px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.step-nav-btn.prev{background:#e0e0e0;color:#666}.step-nav-btn.prev:hover:not(:disabled){background:#d0d0d0}.step-nav-btn.prev:disabled{opacity:.5;cursor:not-allowed}.step-nav-btn.next{background:#1e88e5;color:#fff}.step-nav-btn.next:hover{background:#1976d2;transform:translateY(-1px)}.step-progress{font-size:12px;color:#666;font-weight:500}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@media (max-width: 480px){.pwa-instructions-modal{margin:0;border-radius:16px 16px 0 0;max-height:85vh}.pwa-instructions-overlay{padding:0;align-items:flex-end}.step-visual{min-height:150px}.pwa-instructions-footer{padding:12px 16px}.step-nav-btn{padding:6px 12px;font-size:13px}}.pwa-floating-button{position:fixed;bottom:80px;right:20px;z-index:999}.pwa-install-fab{display:flex;align-items:center;gap:8px;background:linear-gradient(135deg,#134a79,#1e88e5);color:#fff;border:none;padding:12px 20px;border-radius:25px;font-size:14px;font-weight:500;cursor:pointer;box-shadow:0 4px 20px #1e88e54d;transition:all .3s ease;white-space:nowrap}.pwa-install-fab:hover{transform:translateY(-2px);box-shadow:0 6px 25px #1e88e566}.pwa-install-fab i{font-size:16px}.pwa-smart-prompt{position:fixed;top:80px;left:50%;transform:translate(-50%);z-index:998;max-width:90%;width:400px;animation:slideDown .4s ease-out}.pwa-prompt-content{background:#fff;border-radius:16px;box-shadow:0 10px 40px #00000026;padding:20px;display:flex;align-items:center;gap:16px;position:relative;border:1px solid #e0e0e0}.pwa-prompt-icon img{width:56px;height:56px;border-radius:12px;border:2px solid #f0f0f0}.pwa-prompt-info{flex:1;min-width:0}.pwa-prompt-info h4{margin:0 0 4px;font-size:16px;font-weight:600;color:#333}.pwa-prompt-info p{margin:0 0 8px;font-size:14px;color:#666;line-height:1.4}.pwa-prompt-features{display:flex;gap:12px;flex-wrap:wrap}.pwa-prompt-features span{display:flex;align-items:center;gap:4px;font-size:12px;color:#1e88e5;font-weight:500}.pwa-prompt-features i{font-size:10px}.pwa-prompt-actions{display:flex;flex-direction:column;gap:6px;flex-shrink:0}.pwa-prompt-install{background:#1e88e5;color:#fff;border:none;padding:8px 16px;border-radius:20px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease;white-space:nowrap}.pwa-prompt-install:hover{background:#1976d2;transform:translateY(-1px)}.pwa-prompt-later{background:transparent;color:#666;border:none;padding:4px 8px;border-radius:12px;font-size:11px;cursor:pointer;transition:color .2s ease}.pwa-prompt-later:hover{color:#333}.pwa-prompt-dismiss{position:absolute;top:8px;right:8px;background:transparent;color:#999;border:none;font-size:18px;cursor:pointer;padding:4px;border-radius:50%;width:20px;height:20px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.pwa-prompt-dismiss:hover{color:#666;background:#f5f5f5}@keyframes slideDown{0%{transform:translate(-50%) translateY(-100%);opacity:0}to{transform:translate(-50%) translateY(0);opacity:1}}@media (max-width: 768px){.pwa-smart-prompt{inset:auto auto 20px 50%;transform:translate(-50%);z-index:1002;max-width:95%;width:380px}.pwa-prompt-content{flex-direction:column;text-align:center;padding:16px;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.pwa-prompt-actions{flex-direction:row;justify-content:center;width:100%;margin-top:8px;gap:8px}.pwa-prompt-features{justify-content:center;flex-wrap:wrap}.pwa-floating-button{bottom:100px;right:16px}.pwa-install-fab{padding:10px 16px;font-size:13px}}@media (max-width: 480px){.pwa-smart-prompt{max-width:95%;width:auto;left:10px;right:10px;transform:none;bottom:10px;z-index:1003}.pwa-prompt-content{padding:12px;background:#fffffffa;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.pwa-prompt-icon img{width:48px;height:48px}.pwa-prompt-info h4{font-size:15px}.pwa-prompt-info p{font-size:13px}.pwa-prompt-features{gap:6px}.pwa-prompt-features span{font-size:11px}.pwa-prompt-actions{gap:6px}.pwa-prompt-install,.pwa-prompt-later{font-size:12px;padding:6px 12px}.pwa-floating-button{bottom:80px;right:12px}.pwa-install-fab{padding:8px 12px;font-size:12px}.pwa-install-fab span{display:none}.pwa-install-fab i{font-size:18px}}@media (max-width: 360px){.pwa-smart-prompt{width:300px}.pwa-prompt-features{gap:8px}.pwa-prompt-features span{font-size:11px}}@media (prefers-color-scheme: dark){.pwa-prompt-content{background:#2d2d2d;border-color:#444}.pwa-prompt-info h4{color:#fff}.pwa-prompt-info p{color:#ccc}.pwa-prompt-dismiss{color:#aaa}.pwa-prompt-dismiss:hover{color:#fff;background:#444}.pwa-prompt-later{color:#aaa}.pwa-prompt-later:hover{color:#fff}}