/* ===== PWA: aviso de instalación y ajustes en modo standalone ===== */

.pwa-install-banner {
    position: fixed;
    left: 50%;
    bottom: calc(var(--space-4) + var(--tabbar-h, 0px) + env(safe-area-inset-bottom, 0px));
    transform: translate(-50%, 120%);
    width: min(520px, calc(100vw - 2 * var(--space-4)));
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--color-secondary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: 1350; /* por encima de la hoja (600) y del cajón de filtros (1300) de TeslAdvisor; bajo la barra "Más" (1400) */
    opacity: 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.pwa-install-banner.visible {
    transform: translate(-50%, 0);
    opacity: 1;
}

/* ----- Aviso de versión nueva (tras un despliegue): no se recarga sin preguntar ----- */
.pwa-update-banner {
    position: fixed;
    left: 50%;
    bottom: calc(var(--space-4) + var(--tabbar-h, 0px) + env(safe-area-inset-bottom, 0px));
    transform: translate(-50%, 120%);
    width: min(480px, calc(100vw - 2 * var(--space-4)));
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3) var(--space-3) var(--space-4);
    background: var(--color-primary);
    color: var(--color-secondary);
    border: 1px solid color-mix(in srgb, var(--color-secondary) 12%, transparent);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: 1350;
    opacity: 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.pwa-update-banner.visible {
    transform: translate(-50%, 0);
    opacity: 1;
}

.pwa-update-banner[hidden] {
    display: none !important;
}

.pwa-update-text {
    flex: 1;
    min-width: 0;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pwa-update-text i {
    color: var(--color-accent);
    flex-shrink: 0;
}

.pwa-update-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    min-height: 40px;
    padding: 0 var(--space-4);
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--border-radius-full);
    font-family: inherit;
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    white-space: nowrap;
}

.pwa-update-btn:hover {
    background: var(--color-accent-hover);
}

.pwa-update-close {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    border: none;
    background: color-mix(in srgb, var(--color-secondary) 12%, transparent);
    color: var(--color-secondary);
    border-radius: 50%;
    cursor: pointer;
}

.pwa-update-close:hover {
    background: color-mix(in srgb, var(--color-secondary) 22%, transparent);
}

/* Si conviven ambos avisos, el de versión nueva se coloca encima del de instalación */
body:has(.pwa-install-banner.visible) .pwa-update-banner {
    bottom: calc(var(--space-4) + 96px + var(--tabbar-h, 0px) + env(safe-area-inset-bottom, 0px));
}

@media (prefers-reduced-motion: reduce) {
    .pwa-install-banner,
    .pwa-update-banner {
        transition: none;
    }
}

.pwa-install-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    border: 1px solid var(--color-gray-200);
    flex-shrink: 0;
}

.pwa-install-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.pwa-install-text strong {
    color: var(--color-primary);
    font-size: var(--font-size-base);
}

.pwa-install-hint {
    margin-top: var(--space-1);
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.pwa-install-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.pwa-install-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    background: var(--color-primary);
    color: var(--color-secondary);
    border: none;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
}

.pwa-install-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    border-radius: 50%;
    cursor: pointer;
}

.footer-install {
    margin-top: var(--space-2);
}

.footer-install-link {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    text-decoration: none;
}

.footer-install-link:hover {
    color: var(--color-accent);
}

/* En modo app (instalada) el encabezado respeta la barra de estado del móvil */
@media (display-mode: standalone) {
    .header {
        padding-top: env(safe-area-inset-top, 0px);
    }
    .footer-install {
        display: none;
    }
}