.vg-install-button[hidden] { display: none !important; }
.admin-topbar .vg-install-button,
.admin-login-card .vg-install-button {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 44px; padding: 10px 14px; border: 1px solid #becfcb; border-radius: 6px;
    background: #fff; color: #163f38; font: inherit; font-size: 14px;
    font-weight: 600; letter-spacing: 0; cursor: pointer; white-space: normal;
}
.admin-topbar .vg-install-button { width: auto; height: auto; flex-shrink: 0; margin-left: auto; margin-right: 12px; }
.admin-login-card .vg-install-button { width: 100%; margin-top: 8px; }
.vg-install-button svg { width: 18px; height: 18px; flex-shrink: 0; }
.vg-install-button:disabled { opacity: .6; cursor: wait; }
.vg-install-dialog {
    box-sizing: border-box; width: min(440px, calc(100% - 32px));
    max-height: calc(100dvh - 48px); overflow: auto; padding: 24px;
    border: 1px solid #d5dfdd; border-radius: 8px; color: #182c28;
    background: #fff; font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 15px; line-height: 1.6; letter-spacing: 0;
}
.vg-install-dialog::backdrop { background: rgba(0, 0, 0, .5); }
.vg-install-heading { display: flex; align-items: center; gap: 12px; }
.vg-install-heading img { flex-shrink: 0; border-radius: 8px; }
.vg-install-heading h2 { margin: 0; font-size: 19px; line-height: 1.3; letter-spacing: 0; }
.vg-install-heading p { margin: 4px 0 0; font-size: 13px; color: #596963; }
.vg-install-close { flex-shrink: 0; align-self: flex-start; margin-left: auto; width: 44px; height: 44px; padding: 0; border: 0; background: transparent; color: #31443e; font-size: 28px; cursor: pointer; }
.vg-install-dialog ol { padding-left: 22px; }
.vg-install-dialog li { margin: 12px 0; padding-left: 4px; }
.vg-install-note { color: #596963; font-size: 13px; }
.vg-install-done { width: 100%; min-height: 44px; padding: 10px; border: 0; border-radius: 6px; background: #145c4f; color: #fff; font: inherit; font-weight: 600; cursor: pointer; }
.vg-install-dialog button:focus-visible, .vg-install-button:focus-visible { outline: 3px solid #2678c5; outline-offset: 3px; }
@media (display-mode: standalone) {
    .vg-install-button { display: none !important; }
    .admin-login-body { padding-top: max(24px, env(safe-area-inset-top)); padding-bottom: max(24px, env(safe-area-inset-bottom)); }
    .admin-sidebar { padding-top: max(20px, env(safe-area-inset-top)); padding-bottom: max(20px, env(safe-area-inset-bottom)); }
    .admin-content { padding-bottom: max(24px, env(safe-area-inset-bottom)); }
}
@media (max-width: 480px) {
    .admin-topbar .vg-install-button { font-size: 12px; padding: 8px; margin-right: 8px; gap: 4px; }
    .vg-install-dialog { padding: 18px; }
}