/* PWA install banner and header button */

@media (display-mode: standalone), (display-mode: fullscreen), (display-mode: minimal-ui) {
    .install-app-btn,
    .pwa-install-banner {
        display: none !important;
    }
}

/* Phone: install stays out of the primary bar (overflow sheet / banner instead). */

.install-app-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-muted);
    font-size: 0.9rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    transition: var(--transition);
    background: var(--surface-glass);
    padding: 0;
    cursor: pointer;
    font-family: inherit;
    box-shadow:
        inset 0 0 16px rgba(90, 159, 212, 0.04),
        0 0 12px rgba(90, 159, 212, 0.03);
}

.install-app-btn i {
    transition: filter var(--transition);
}

.install-app-btn:hover {
    color: var(--accent-orange);
    border-color: var(--accent-border);
    background: var(--accent-highlight);
}

.install-app-btn:hover i {
    filter: drop-shadow(0 0 8px rgba(90, 159, 212, 0.5));
}

.pwa-install-banner {
    position: fixed;
    left: 50%;
    bottom: 1.25rem;
    transform: translateX(-50%) translateY(120%);
    z-index: 150;
    width: min(36rem, calc(100vw - 2rem));
    opacity: 0;
    pointer-events: none;
    transition:
        transform 0.42s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.32s ease;
}

.pwa-install-banner.is-visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.pwa-install-banner-inner {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem 1rem 1.1rem;
    border: 1px solid var(--border-strong);
    border-radius: calc(var(--radius) + 2px);
    background:
        linear-gradient(135deg, rgba(12, 22, 44, 0.55) 0%, rgba(4, 6, 12, 0.92) 100%),
        var(--surface-glass);
    box-shadow: var(--shadow-md), var(--glow-cyan-soft);
    backdrop-filter: blur(12px);
}

.pwa-install-banner-icon {
    flex-shrink: 0;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: calc(var(--radius) + 2px);
    overflow: hidden;
    box-shadow: var(--glow-cyan-soft);
}

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

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

.pwa-install-banner-title {
    margin: 0 0 0.2rem;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: var(--letter-label);
    text-transform: uppercase;
    color: var(--text-primary);
    text-shadow: var(--glow-text-soft);
}

.pwa-install-banner-desc {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.45;
    color: var(--text-muted);
}

.pwa-install-banner-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.45rem;
    flex-shrink: 0;
}

.pwa-install-btn {
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--accent-border);
    border-radius: var(--radius);
    background: var(--accent-soft-strong);
    color: var(--accent-cyan);
    font-family: var(--font-main);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.pwa-install-btn:hover {
    color: var(--text-primary);
    background: var(--accent-highlight);
    box-shadow: var(--glow-cyan-soft);
}

.pwa-install-dismiss {
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-main);
    font-size: 0.6875rem;
    letter-spacing: 0.03em;
    text-decoration: underline;
    text-underline-offset: 2px;
    cursor: pointer;
    transition: color var(--transition);
    white-space: nowrap;
}

.pwa-install-dismiss:hover {
    color: var(--text-primary);
}

.pwa-install-close {
    position: absolute;
    top: 0.45rem;
    right: 0.45rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    padding: 0;
    border: none;
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition);
}

.pwa-install-close:hover {
    color: var(--text-primary);
    background: var(--hover-ghost);
}

@media (max-width: 640px) {
    .pwa-install-banner {
        bottom: 0.75rem;
        width: calc(100vw - 1.25rem);
    }

    .pwa-install-banner-inner {
        flex-wrap: wrap;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .pwa-install-banner-actions {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        justify-content: flex-start;
    }

    .pwa-install-dismiss {
        margin-left: auto;
    }
}