.osl-install[hidden], .osl-install [hidden] { display: none !important; }
.osl-install { position: fixed; z-index: 2000; bottom: max(16px, env(safe-area-inset-bottom)); left: 16px; right: 16px; max-width: 440px; margin-left: auto; padding: 18px; background: #fff; color: #26354a; border: 1px solid #d5dfe9; border-radius: 12px; box-shadow: 0 8px 32px #07265233; font: 14px/1.5 system-ui, sans-serif; text-align: left; }
.osl-install-header { display: flex; align-items: center; gap: 12px; }
.osl-install img { width: 48px; height: 48px; border: 1px solid #e6eaf0; border-radius: 10px; }
.osl-install h2 { font: 700 17px/1.3 system-ui, sans-serif; margin: 0 0 4px; color: #072652; text-transform: none; }
.osl-install p { margin: 0; font-size: 13px; }
.osl-install-actions { display: flex; gap: 10px; margin-top: 14px; }
.osl-install button { border: 0; border-radius: 6px; padding: 9px 14px; font: 600 14px system-ui, sans-serif; cursor: pointer; }
.osl-install-add { background: #072652; color: #fff; }
.osl-install-dismiss { background: #eef2f6; color: #26354a; }
.osl-install button:focus-visible { outline: 3px solid #368dd0; outline-offset: 3px; }
.osl-install .osl-install-guide { margin-top: 12px; }
body.osl-install-visible { padding-bottom: 230px; }