#support-install-dialog{box-sizing:border-box;position:fixed;inset:0;margin:auto;width:min(380px,calc(100% - 40px));max-height:calc(100dvh - 40px);overflow:auto;padding:28px 24px 22px;border:1px solid var(--line);border-radius:24px;background:var(--surface);color:var(--text);text-align:center;animation:support-install-in 180ms ease-out}
#support-install-dialog::backdrop{background:color-mix(in srgb,var(--text) 24%,transparent);backdrop-filter:blur(4px)}
#support-install-dialog h2{font-size:23px;line-height:1.2;margin:12px 0}
#support-install-dialog p{color:var(--muted);font-size:14px;line-height:1.55;margin:12px 0 18px}
#support-install-dialog button{font:inherit;cursor:pointer;min-height:44px;border-radius:12px}
#support-install-dialog .support-install-close{position:absolute;right:10px;top:8px;width:44px;border:0;background:transparent;color:var(--muted);font-size:26px}
.support-install-icon{display:grid;place-items:center;margin:auto;width:48px;height:48px;border-radius:16px;background:var(--mint);color:var(--accent);font-size:30px}
#support-install-dialog .support-install-primary{width:100%;padding:12px;border:1px solid var(--accent);background:var(--mint);color:var(--accent);font-weight:700}
#support-install-dialog .support-install-continue{width:100%;padding:10px;border:1px solid var(--line);background:transparent;color:var(--text);font-size:14px}
#support-install-dialog [hidden],#support-install-dialog .support-install-help:empty{display:none}
#support-install-dialog button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
#support-install-dialog button:disabled{opacity:.6;cursor:wait}
@keyframes support-install-in{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){#support-install-dialog{animation:none}}