[data-install-billie][hidden], #billieInstallDialog button[hidden] { display: none !important; }
[data-install-billie] { appearance: none; border: 1px solid #293c4f40; border-radius: 8px; padding: 11px 16px; background: #ffffff80; color: #293c4f; font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; }
.loginCard [data-install-billie] { width: 100%; margin-top: 14px; }
#mobileMenu [data-install-billie], #menu [data-install-billie] { margin-top: 16px; }
#billieInstallDialog { width: min(440px, calc(100vw - 32px)); max-height: calc(100dvh - 48px); overflow: auto; padding: 26px; border: 1px solid #8297a650; border-radius: 18px; background: #edf2f5; color: #17212a; font-family: Poppins, system-ui, sans-serif; box-shadow: 0 20px 80px #00000040; }
#billieInstallDialog::backdrop { background: #17212a80; }
#billieInstallDialog h2 { margin: 0 0 12px; font-size: 21px; line-height: 1.3; }
#billieInstallDialog p, #billieInstallDialog li { font-size: 14px; line-height: 1.6; }
#billieInstallDialog ol { padding-left: 22px; }
#billieInstallDialog li { padding-left: 4px; margin-bottom: 12px; }
.billieInstallActions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.billieInstallActions button { border: 1px solid #293c4f40; border-radius: 8px; padding: 10px 16px; background: white; color: #293c4f; font: inherit; font-size: 14px; cursor: pointer; }
.billieInstallActions button.billieInstallPrimary { background: #293c4f; color: white; }
[data-install-billie]:focus-visible, .billieInstallActions button:focus-visible { outline: 2px solid #293c4f; outline-offset: 3px; }