#pwa-install-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 12px 16px;
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

#pwa-install-banner.show {
    display: flex;
    align-items: center;
    gap: 12px;
}

#pwa-install-banner .pwa-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    flex-shrink: 0;
    background: white;
    padding: 4px;
}

#pwa-install-banner .pwa-content {
    flex: 1;
    min-width: 0;
}

#pwa-install-banner .pwa-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 2px;
}

#pwa-install-banner .pwa-description {
    font-size: 12px;
    opacity: 0.9;
    line-height: 1.3;
}

#pwa-install-banner .pwa-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
    align-items: center;
}

#pwa-install-banner .pwa-btn-install {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
}

#pwa-install-banner .pwa-btn-install:hover {
    background: #45a049;
}

#pwa-install-banner .pwa-btn-close {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    line-height: 1;
}

#pwa-install-banner .pwa-btn-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

#pwa-install-banner .pwa-instructions {
    display: none;
    position: absolute;
    bottom: 80px;
    left: 16px;
    right: 16px;
    background: white;
    color: #333;
    padding: 16px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    font-size: 14px;
    line-height: 1.5;
}

#pwa-install-banner .pwa-instructions.show {
    display: block;
}

#pwa-install-banner .pwa-instructions strong {
    color: #4CAF50;
}

#pwa-install-banner .pwa-instructions .close-instructions {
    position: absolute;
    top: 8px;
    right: 8px;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: #666;
}

@media (min-width: 768px) {
    #pwa-install-banner {
        display: none !important;
    }
}

@media (max-width: 767px) {
    #pwa-install-banner.show {
        display: flex;
    }
}