/**
 * PWA install prompt — home page only; stacks above bottom nav on mobile.
 */
#pwa-install-prompt {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1052;
    padding: 0;
    margin: 0;
    pointer-events: none;
}

#pwa-install-prompt:not(.is-visible) {
    visibility: hidden;
    opacity: 0;
}

#pwa-install-prompt.is-visible {
    pointer-events: auto;
    visibility: visible;
    opacity: 1;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.pwa-install-prompt__surface {
    background: #fff;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.12);
}

.pwa-install-prompt__inner {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 16px;
    min-height: 48px;
    box-sizing: border-box;
}

.pwa-install-prompt__main {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 0 1 auto;
    min-width: 0;
}

.pwa-install-prompt__icon-wrap {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    background: #f5f5f5;
}

.pwa-install-prompt__icon {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pwa-install-prompt__copy {
    flex: 1;
    min-width: 0;
}

.pwa-install-prompt__title {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: #222;
    margin-bottom: 2px;
}

.pwa-install-prompt__sub {
    display: block;
    font-size: 0.8rem;
    line-height: 1.35;
    color: #666;
    margin: 0;
}

.pwa-install-prompt__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.pwa-install-prompt__later,
.pwa-install-prompt__install {
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.12);
    background: #fff;
    color: #444;
    white-space: nowrap;
}

.pwa-install-prompt__install {
    border: 0;
    color: #fff !important;
    background: var(--theme-primary, #007bff) !important;
}

.pwa-install-prompt__install:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

@media (max-width: 991.98px) {
    #pwa-install-prompt {
        bottom: calc(var(--mobile-app-nav-height, 56px) + env(safe-area-inset-bottom, 0px));
    }

    .pwa-install-prompt__inner {
        flex-wrap: wrap;
        padding: 8px 12px;
    }

    .pwa-install-prompt__main {
        flex-basis: 100%;
    }

    .pwa-install-prompt__actions {
        width: 100%;
        justify-content: flex-start;
    }
}

@media (max-width: 575.98px) {
    .pwa-install-prompt__title {
        font-size: 0.88rem;
    }

    .pwa-install-prompt__sub {
        font-size: 0.75rem;
    }
}