.fsd-install { position: fixed; z-index: 70; right: 20px; bottom: calc(20px + env(safe-area-inset-bottom)); display: grid; grid-template-columns: 44px 1fr; gap: 12px; width: min(380px, calc(100vw - 32px)); box-sizing: border-box; padding: 18px; background: #fff; color: #20212a; border: 1px solid #dfe2e8; border-radius: 12px; box-shadow: 0 8px 30px #20212a20; }
.fsd-install[hidden] { display: none; }
.fsd-install > img { border-radius: 10px; }
.fsd-install h2 { margin: 0 0 4px; font: 750 16px/1.35 Inter, system-ui, sans-serif; letter-spacing: normal; }
.fsd-install p { margin: 0; font: 14px/1.5 Inter, system-ui, sans-serif; color: #606675; }
.fsd-install .fsd-install__help { grid-column: 1 / -1; padding: 10px 12px; background: #f7f6f4; border-radius: 6px; color: #30343e; }
.fsd-install__actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: 8px; }
.fsd-install button { min-height: 44px; padding: 10px 16px; border: 1px solid #dfe2e8; border-radius: 8px; font: 700 14px/1.3 Inter, system-ui, sans-serif; cursor: pointer; }
.fsd-install__later { background: #fff; color: #4f5361; }
.fsd-install .fsd-install__yes { color: #fff; background: #831d32; border-color: #831d32; }
.fsd-install .fsd-install__yes:hover { background: #681728; }
.fsd-install button:focus-visible { outline: 3px solid #1879d8; outline-offset: 3px; }
.fsd-install button:disabled { opacity: .6; cursor: default; }
body:has(.ws-mobile-nav, .li-mobile-nav) .fsd-install { bottom: calc(86px + env(safe-area-inset-bottom)); }
@media (max-width: 640px) { .fsd-install { right: 16px; bottom: calc(76px + env(safe-area-inset-bottom)); } }