.install-prompt{position:fixed;left:max(16px,env(safe-area-inset-left));bottom:max(16px,env(safe-area-inset-bottom));z-index:1450;display:grid;grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:12px;width:min(620px,calc(100vw - 32px));padding:13px 14px;border:1px solid rgba(244,201,93,.2);border-radius:18px;background:linear-gradient(180deg,#0d2d20f7,#071b13f7);box-shadow:0 22px 55px #0000006b;backdrop-filter:blur(14px);color:#fff;opacity:0;transform:translateY(18px);transition:opacity .22s ease,transform .22s ease}.install-prompt.visible{opacity:1;transform:translateY(0)}.install-prompt-icon{display:grid;place-items:center;width:48px;height:48px;border:1px solid rgba(244,201,93,.26);border-radius:14px;background:radial-gradient(circle at 35% 30%,#f4c95d33,#ffffff08);color:#f3d36f;font-size:27px}.install-prompt-copy{display:flex;min-width:0;flex-direction:column;gap:3px}.install-prompt-copy strong{font-size:14px}.install-prompt-copy span{color:#ffffff9e;font-size:12px;line-height:1.4}.install-prompt-actions{display:flex;align-items:center;gap:7px}.install-primary,.install-later{min-height:36px;padding:0 13px;border-radius:10px;font:inherit;font-size:12px;font-weight:800;cursor:pointer}.install-primary{border:1px solid rgba(244,201,93,.34);background:#d9af3e;color:#181407}.install-primary:hover{background:#eac75f}.install-later{border:1px solid rgba(255,255,255,.1);background:#ffffff0d;color:#ffffffb8}.install-later:hover{background:#ffffff17;color:#fff}@media(max-width:680px){.install-prompt{grid-template-columns:42px minmax(0,1fr);gap:10px;padding:12px;border-radius:16px}.install-prompt-icon{width:42px;height:42px;border-radius:12px;font-size:24px}.install-prompt-actions{grid-column:1/-1;justify-content:flex-end}.install-primary,.install-later{flex:1}}@media(prefers-reduced-motion:reduce){.install-prompt{transition:none}}