/* ============================================
   PWA STATES (Phase 4)
   Offline fallback screen + service-worker update toast.
   Uses base.css design tokens — never modifies them.
   ============================================ */

/* ---------- Offline fallback (offline.html) ---------- */

.offline-screen {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, #f0fdf4 0%, #dbeafe 100%);
}

.offline-logo {
    width: 96px;
    height: 96px;
    margin-bottom: 1.5rem;
}

.offline-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

.offline-text {
    color: var(--gray);
    max-width: 30rem;
    margin-bottom: 0.5rem;
}

.offline-subtext {
    color: var(--gray);
    font-size: 0.9rem;
    max-width: 30rem;
    margin-bottom: 1.75rem;
}

.offline-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.offline-btn {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid var(--primary);
    min-height: 46px;
}

.offline-btn-primary {
    background: var(--primary);
    color: var(--white);
}

.offline-btn-outline {
    background: transparent;
    color: var(--primary-dark);
}

/* ---------- Service-worker update toast ---------- */

.pwa-update-toast {
    position: fixed;
    left: 50%;
    bottom: 1.25rem;
    transform: translateX(-50%) translateY(150%);
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    max-width: 92vw;
    background: var(--dark);
    color: var(--white);
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease;
    font-size: 0.92rem;
}

.pwa-update-toast.pwa-update-show {
    transform: translateX(-50%) translateY(0);
}

.pwa-update-toast button {
    border: none;
    border-radius: var(--radius-base);
    padding: 0.45rem 0.9rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.pwa-update-refresh {
    background: var(--primary);
    color: var(--white);
}

.pwa-update-dismiss {
    background: transparent;
    color: var(--gray-light);
    padding: 0.45rem 0.5rem;
}

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

/* ---------- Brand logo (navbar + footer) ----------
   Loaded on every page (this stylesheet ships site-wide for the update toast),
   so brand-mark sizing lives here rather than in a frozen CSS file. */

.navbar-brand .brand-logo-full {
    height: 40px;
    width: auto;
    display: block;
}

.navbar-brand .brand-logo-icon {
    height: 40px;
    width: 40px;
    display: none;
}

/* Very small screens: switch the horizontal lockup for the icon-only mark
   so the wordmark never crowds the hamburger toggle. */
@media (max-width: 400px) {
    .navbar-brand .brand-logo-full { display: none; }
    .navbar-brand .brand-logo-icon { display: block; }
}

/* Footer uses the white-tile icon mark; the "SwasthSathi" text stays in the
   footer's existing white styling (the horizontal logo's dark wordmark would
   be unreadable on the dark footer). */
.footer .footer-brand-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    vertical-align: middle;
}