.install-app-button{border:1px solid var(--control-border);background:var(--paper);min-height:44px;color:var(--ink);white-space:nowrap;border-radius:7px;justify-content:center;align-items:center;gap:8px;padding:10px 15px;font-size:13px;font-weight:500;text-decoration:none;display:inline-flex}.install-app-button.compact{padding-inline:12px;font-size:12px}.install-app-button:hover{background:var(--surface-active)}.install-app-dialog{border:1px solid var(--border);background:var(--paper);width:min(520px,100vw - 32px);max-height:calc(100dvh - 32px);color:var(--ink);overscroll-behavior:contain;border-radius:16px;margin:auto;padding:26px;overflow:auto;box-shadow:0 20px 90px #0004}.install-app-dialog::backdrop{background:#0009}.install-app-heading{justify-content:space-between;align-items:center;gap:18px;display:flex}.install-app-logo{border-radius:11px;display:block}.install-app-close{width:44px;height:44px;color:var(--muted);background:0 0;border:0;border-radius:8px;justify-content:center;align-items:center;display:inline-flex}.install-app-close:hover{background:var(--surface-active);color:var(--ink)}.install-app-dialog h2{margin:20px 0 12px;font-size:29px;line-height:1.2}.install-app-dialog p,.install-app-dialog li{font-size:14px;line-height:1.65}.install-app-dialog p{color:var(--muted);margin:12px 0}.install-app-guide{background:var(--surface-subtle);border:1px solid var(--border);border-radius:10px;margin:24px 0;padding:19px}.install-app-guide h3{align-items:center;gap:8px;margin:0 0 13px;font-size:14px;font-weight:600;display:flex}.install-app-guide ol{margin:0;padding-left:22px}.install-app-guide li{color:var(--ink);padding-left:4px}.install-app-guide li+li{margin-top:12px}.install-app-primary,.install-app-done{border:1px solid var(--control-border);background:var(--surface-active);width:100%;min-height:44px;color:var(--ink);border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:12px 18px;font-size:14px;font-weight:600;display:flex}.install-app-primary{background:var(--accent);border-color:var(--accent);color:var(--paper);margin:22px 0 0}html[data-theme=dark] .install-app-primary{color:#18191b}.install-app-primary:hover,.install-app-done:hover{filter:brightness(.96)}.install-app-dialog .install-app-notice{border:1px solid var(--control-border);background:var(--surface-subtle);color:var(--ink);border-radius:8px;align-items:flex-start;gap:10px;margin:20px 0;padding:14px;display:flex}.install-app-notice svg{margin-top:3px}.install-app-dialog .install-app-status{color:var(--ink)}.install-app-dialog .install-app-footnote{color:var(--muted);margin:18px 0;font-size:12px}.install-app-dialog button:focus-visible,.install-app-button:focus-visible{outline:2px solid var(--focus-ring);outline-offset:3px}@media (max-width:480px){.install-app-dialog{width:calc(100vw - 24px);max-height:calc(100dvh - 24px);padding:20px}.install-app-dialog h2{font-size:26px}.install-app-guide{padding:15px}}