.app-install-prompt {
    position: fixed;
    inset-inline-end: 18px;
    bottom: max(18px, env(safe-area-inset-bottom));
    z-index: 950;
    width: min(390px, calc(100vw - 24px));
    box-sizing: border-box;
    padding: 16px;
    border: 1px solid var(--line, #ddd);
    border-radius: 16px;
    background: var(--surface, #fff);
    color: var(--text, #24222b);
    box-shadow: 0 8px 32px #0002;
    font: inherit;
}
.app-install-prompt[hidden],
.app-install-launcher[hidden] {
    display: none !important;
}
.app-install-prompt header {
    display: flex;
    align-items: center;
    gap: 12px;
}
.app-install-prompt img {
    width: 44px;
    height: 44px;
    border-radius: 10px;
}
.app-install-prompt h2 {
    margin: 0;
    font-size: 15px;
}
.app-install-prompt p {
    margin: 10px 0 14px;
    font-size: 12px;
    line-height: 1.8;
    color: var(--text-secondary, #666);
}
.app-install-prompt footer {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.app-install-prompt button,
.app-install-launcher {
    font: inherit;
    font-size: 12px;
    padding: 9px 12px;
    border-radius: 8px;
    border: 1px solid var(--line, #ddd);
    background: var(--surface, #fff);
    color: var(--text, #24222b);
    cursor: pointer;
}
.app-install-prompt [data-install] {
    background: var(--primary, #342a6b);
    color: #fff;
    border-color: transparent;
}
.app-install-launcher {
    display: block;
    margin: 8px auto;
}
@media print {
    .app-install-prompt,
    .app-install-launcher {
        display: none !important;
    }
}