.pwa-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #1a1a2e;
    color: #fff;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 9999;
    box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.3);
    animation: pwaBannerSlideUp 0.3s ease;
    font-family: 'Source Sans 3', sans-serif;
}

.pwa-banner-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

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

.pwa-banner-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.pwa-banner-desc {
    font-size: 0.78rem;
    opacity: 0.7;
    line-height: 1.3;
}

.pwa-banner-install {
    background: #00d4ff;
    color: #1a1a2e;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

.pwa-banner-install:hover {
    background: #33ddff;
}

.pwa-banner-close {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.7);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.85rem;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

.pwa-banner-close:hover {
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
}

@keyframes pwaBannerSlideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.pwa-banner--success {
    background: #0d3b2e;
    border-top: 2px solid #00d4ff;
}

.pwa-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    animation: pwaOverlayFadeIn 0.2s ease;
}

.pwa-overlay-card {
    background: #fff;
    border-radius: 16px;
    padding: 28px 24px 20px;
    max-width: 340px;
    width: 100%;
    text-align: center;
    color: #1a1a1a;
    font-family: 'Source Sans 3', sans-serif;
}

.pwa-overlay-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.pwa-overlay-step {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    text-align: left;
    margin-bottom: 16px;
}

.pwa-overlay-step-num {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #1a1a2e;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.pwa-overlay-step-text {
    font-size: 0.88rem;
    line-height: 1.45;
}

.pwa-overlay-step-text strong {
    color: #1a1a2e;
}

.pwa-share-icon {
    display: inline-block;
    width: 20px;
    height: 20px;
    vertical-align: middle;
    margin: 0 2px;
}

.pwa-overlay-btn {
    margin-top: 8px;
    background: #1a1a2e;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 10px 28px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
}

.pwa-overlay-btn:hover {
    background: #2a2a4e;
}

@keyframes pwaOverlayFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (min-width: 768px) {
    .pwa-banner,
    .pwa-overlay {
        display: none !important;
    }
}