/* ══════════════════════════════════════════════════════════════
   PWA install — píldora flotante "Instalar app" (sitio público).
   Se ancla abajo-izquierda, opuesta al widget de WhatsApp.
   Oculta por defecto: pwa-install.js quita [hidden] si procede.
════════════════════════════════════════════════════════════════ */

/* [hidden] debe ganar a las reglas display:flex de abajo (misma especificidad). */
.pwa-install[hidden],
.pwa-ios-sheet[hidden] {
    display: none;
}

.pwa-install {
    position: fixed;
    left: var(--space-6);
    bottom: var(--space-6);
    z-index: var(--z-modal);
    display: flex;
    align-items: stretch;
    border-radius: 999px;
    background: var(--color-primary-500);
    color: #fff;
    box-shadow: var(--shadow-brand-md);
    animation: pwa-install-in .35s ease both;
}

@keyframes pwa-install-in {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.pwa-install__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border: 0;
    border-radius: 999px 0 0 999px;
    background: transparent;
    color: inherit;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: background-color .15s ease;
}

.pwa-install__btn:hover,
.pwa-install__btn:focus-visible {
    background: rgba(255, 255, 255, 0.14);
    outline: none;
}

.pwa-install__btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.pwa-install__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    padding: 0;
    border: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 0 999px 999px 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
    transition: background-color .15s ease;
}

.pwa-install__close:hover,
.pwa-install__close:focus-visible {
    background: rgba(255, 255, 255, 0.14);
    outline: none;
}

.pwa-install__close svg {
    width: 14px;
    height: 14px;
}

/* ── Hoja de instrucciones para iOS / Safari ─────────────────── */
.pwa-ios-sheet {
    position: fixed;
    inset: 0;
    z-index: var(--z-toast);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--space-4);
    background: rgba(13, 27, 62, 0.45);
}

.pwa-ios-sheet__card {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: #fff;
    color: var(--color-text, #1e293b);
    box-shadow: var(--shadow-xl);
    animation: pwa-install-in .3s ease both;
}

.pwa-ios-sheet__title {
    margin: 0 0 var(--space-4);
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: var(--font-bold);
}

.pwa-ios-sheet__steps {
    margin: 0 0 var(--space-6);
    padding-left: 1.25rem;
    display: grid;
    gap: var(--space-3);
    font-size: 0.92rem;
    line-height: 1.5;
    color: var(--color-text-muted, #475569);
}

.pwa-ios-sheet__steps strong { color: var(--color-primary-600); }

.pwa-ios-sheet__ok {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 0;
    border-radius: var(--radius-md);
    background: var(--color-primary-500);
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: var(--font-semibold);
    cursor: pointer;
}

.pwa-ios-sheet__ok:hover { background: var(--color-primary-600); }

.pwa-ios-sheet__close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--color-text-muted, #64748b);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
}

.pwa-ios-sheet__close:hover { background: rgba(13, 27, 62, 0.06); }

/* ── Móvil: alinear con el widget de WhatsApp ────────────────── */
@media (max-width: 480px) {
    .pwa-install {
        left: var(--space-4);
        bottom: var(--space-4);
    }
    .pwa-install__btn { font-size: 0.85rem; }
    .pwa-ios-sheet__card { align-self: flex-end; }
}

@media (prefers-reduced-motion: reduce) {
    .pwa-install,
    .pwa-ios-sheet__card { animation: none; }
}