#site-nav button { font: inherit; font-weight: 700; color: #fff; background: #15803d; border: 0; border-radius: 8px; padding: 10px 12px; white-space: nowrap; cursor: pointer; }
#site-nav button[hidden] { display: none; }
#site-nav a, #site-nav button { min-height: 44px; }
#site-nav a:focus-visible, #site-nav button:focus-visible { outline: 3px solid #16a34a; outline-offset: -2px; }
#install-help { width: min(460px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); margin: auto; padding: 26px; border: 1px solid #cbd5e1; border-radius: 18px; color: #0f172a; background: white; font: 15px/1.6 system-ui, sans-serif; box-shadow: 0 24px 80px #0004; }
#install-help::backdrop { background: #0f172a66; }
#install-help h2 { font-size: 22px; font-weight: 700; line-height: 1.3; margin: 0 0 16px; }
#install-help p { margin: 12px 0; }
#install-help ul { padding-left: 20px; list-style: disc; }
#install-help li { margin: 14px 0; }
#install-help button { font: inherit; font-weight: 700; color: white; background: #15803d; border: 0; border-radius: 10px; padding: 10px 20px; cursor: pointer; }
@media (display-mode: standalone) { #site-nav .brand, #site-nav a[href='/about.html'], #site-nav a[href='/features.html'], #site-nav a[href='/privacy.html'] { display: none; } }