/* PWA — install banner, offline bar, update toast */

.pwa-install-banner,
.pwa-update-toast,
.pwa-offline-bar {
    position: fixed;
    left: max(0.75rem, env(safe-area-inset-left));
    right: max(0.75rem, env(safe-area-inset-right));
    z-index: 1200;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.14);
    transform: translateY(120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.28s ease, opacity 0.28s ease;
}

.pwa-install-banner.is-visible,
.pwa-update-toast.is-visible,
.pwa-offline-bar.is-visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.pwa-install-banner[hidden],
.pwa-update-toast[hidden],
.pwa-offline-bar[hidden] {
    display: none !important;
}

.pwa-install-banner {
    bottom: max(0.85rem, env(safe-area-inset-bottom));
}

.pwa-update-toast {
    top: max(0.75rem, env(safe-area-inset-top));
}

.pwa-offline-bar {
    top: max(0.75rem, env(safe-area-inset-top));
    background: linear-gradient(135deg, #fef3c7, #fffbeb);
    border-color: #fcd34d;
    color: #92400e;
    transform: translateY(-120%);
}

.pwa-install-banner__icon {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 14px;
    flex-shrink: 0;
    object-fit: cover;
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
}

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

.pwa-install-banner__body strong {
    display: block;
    font-size: 0.9rem;
    color: #0f172a;
}

.pwa-install-banner__body p {
    margin: 0.15rem 0 0;
    font-size: 0.75rem;
    color: #64748b;
    line-height: 1.45;
}

.pwa-install-banner__actions {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    flex-shrink: 0;
}

.pwa-install-banner__actions .btn {
    min-height: 40px;
    white-space: nowrap;
}

.pwa-update-toast__text {
    flex: 1;
    font-size: 0.85rem;
    color: #334155;
}

/* Offline page */
.pwa-offline-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem;
    padding-bottom: max(2rem, env(safe-area-inset-bottom));
    background: linear-gradient(160deg, #eff6ff 0%, #f8fafc 45%, #f3f4f6 100%);
}

.pwa-offline-card {
    width: min(100%, 26rem);
    text-align: center;
    padding: 2rem 1.5rem;
    border-radius: 20px;
    background: #fff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

.pwa-offline-card__icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    border-radius: 18px;
    background: linear-gradient(135deg, #2563eb, #4338ca) center/2rem no-repeat;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white' stroke-width='1.8'%3E%3Cpath d='M3 15a4 4 0 0 0 4 4h9a5 5 0 1 0-.1-9.999 5.002 5.002 0 1 0-9.78 2.096A4.001 4.001 0 0 0 3 15z' stroke-linecap='round'/%3E%3Cpath d='M8 16h.01M12 16h.01' stroke-linecap='round'/%3E%3C/svg%3E");
}

.pwa-offline-card h1 {
    margin: 0 0 0.5rem;
    font-size: 1.35rem;
    color: #0f172a;
}

.pwa-offline-card p {
    margin: 0 0 1.25rem;
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.6;
}

.pwa-offline-card__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.pwa-offline-modules {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px dashed #e2e8f0;
    text-align: right;
}

.pwa-offline-modules h2 {
    margin: 0 0 0.5rem;
    font-size: 0.78rem;
    color: #94a3b8;
    font-weight: 700;
}

.pwa-offline-modules ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.35rem;
}

.pwa-offline-modules li {
    font-size: 0.8rem;
    color: #475569;
    padding: 0.35rem 0.5rem;
    background: #f8fafc;
    border-radius: 8px;
}

html[data-theme="dark"] .pwa-install-banner,
html[data-theme="dark"] .pwa-update-toast {
    background: rgba(22, 24, 28, 0.96);
    border-color: #2f3336;
    color: #e7e9ea;
}

html[data-theme="dark"] .pwa-install-banner__body strong {
    color: #e7e9ea;
}

html[data-theme="dark"] .pwa-offline-page {
    background: #000;
}

html[data-theme="dark"] .pwa-offline-card {
    background: #16181c;
    border-color: #2f3336;
}

html[data-theme="dark"] .pwa-offline-card h1 {
    color: #e7e9ea;
}

@media (max-width: 480px) {
    .pwa-install-banner {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .pwa-install-banner__actions {
        flex-direction: row;
    }

    .pwa-install-banner__actions .btn {
        flex: 1;
    }
}