:root{--bg-primary: #000000;--bg-card: #161616;--border-card: #282828;--accent-pink: #e91b60;--text-primary: #ffffff;--text-secondary: #8a8a8a;--text-muted: #8c8c8c;--shadow-pink: 0 8px 24px rgba(233, 30, 99, .35)}.install-page{min-height:100vh;background:var(--bg-primary);color:var(--text-primary);font-family:Outfit,Nunito Sans,sans-serif;padding:20px 16px 120px;display:flex;justify-content:center;align-items:center}.install-container{width:100%;max-width:440px;display:flex;flex-direction:column;gap:20px}.premium-install-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:24px;padding:40px 32px;display:flex;flex-direction:column;align-items:center;text-align:center;box-shadow:0 20px 45px #000000d9;position:relative}.app-icon-container{width:120px;height:120px;margin-bottom:24px;display:flex;align-items:center;justify-content:center}.app-icon{width:100%;height:100%;border-radius:28px;object-fit:cover;box-shadow:0 8px 20px #00000080}.app-name{font-size:28px;font-weight:700;color:var(--text-primary);margin:0 0 12px;letter-spacing:.5px}.app-store-badge{display:inline-flex;align-items:center;gap:8px;background:#202020;border:1px solid #333333;border-radius:20px;padding:6px 16px;margin-bottom:24px;font-size:13px;color:var(--text-muted)}.badge-divider{color:#404040;font-size:10px}.app-tagline{font-size:15px;line-height:1.6;color:var(--text-secondary);margin:0 0 28px;font-weight:400}.install-action-btn{width:100%;background:#fff;border:none;border-radius:12px;color:#111215;font-family:inherit;font-size:17px;font-weight:700;padding:16px 24px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 8px 24px #ffffff26;transition:transform .2s cubic-bezier(.175,.885,.32,1.275),background-color .2s ease,box-shadow .2s ease}.install-action-btn:hover{transform:translateY(-2px);background-color:#f3f4f6;box-shadow:0 10px 28px #ffffff40}.install-action-btn:active{transform:translateY(0)}.install-action-btn i,.install-action-btn svg{font-size:16px}.install-action-btn.installed{background:#ffffff0f;color:var(--text-muted);border:1px solid var(--border-card);box-shadow:none;pointer-events:none}.card-divider{width:100%;border:none;border-top:1px solid var(--border-card);margin:28px 0}.why-install-block{width:100%;text-align:left}.why-install-title{font-size:12px;font-weight:700;color:var(--text-primary);margin:0 0 16px;letter-spacing:1px}.why-install-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:16px}.why-install-list li{display:flex;align-items:center;gap:12px}.bullet-icon{font-size:16px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center}.bullet-text{font-size:14px;color:var(--text-secondary);font-weight:500}.troubleshoot-section{width:100%;margin-top:10px}.troubleshoot-card{border:1px solid var(--border-card);background:var(--bg-card);border-radius:20px;overflow:hidden;box-shadow:0 10px 30px #00000080}.troubleshoot-header{padding:18px 20px;font-size:15px;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--border-card);letter-spacing:.5px}.troubleshoot-content{padding:20px 16px;display:flex;flex-direction:column;gap:20px}.guide-tabs{background:#ffffff05;border:1px solid var(--border-card);border-radius:12px;padding:4px;display:flex;gap:4px}.tab-btn{flex:1;background:transparent;border:none;color:var(--text-muted);font-family:inherit;font-size:13px;font-weight:600;padding:10px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:all .2s ease}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{background:#ffffff0f;color:#fff;border:1px solid rgba(255,255,255,.08)}.guide-content{display:none}.guide-content.active{display:flex;flex-direction:column;gap:12px}.guide-step{background:#ffffff03;border:1px solid var(--border-card);border-radius:12px;padding:14px 16px;display:flex;align-items:flex-start;gap:12px}.step-num{width:24px;height:24px;background:#ffffff0f;border:1px solid var(--border-card);color:var(--text-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:11px;flex-shrink:0}.step-details{display:flex;flex-direction:column;gap:4px}.step-title{font-size:14px;font-weight:600;color:var(--text-primary);margin:0}.step-desc{font-size:12px;color:var(--text-secondary);margin:0;line-height:1.4}.icon-pill{display:inline-flex;align-items:center;gap:4px;background:#ffffff14;border:1px solid var(--border-card);padding:1px 6px;border-radius:4px;font-size:10px;font-weight:600;color:var(--text-primary)}@media (min-width: 768px){.install-page{padding-top:10px}}