.update-notification {
    position: fixed;
    bottom: calc(80px + env(safe-area-inset-bottom, 20px));
    left: 16px;
    right: 16px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 10001;
    animation: slideUp 0.3s ease-out;
}

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

.update-notification-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
}

.update-notification-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #eff6ff;
    border-radius: 8px;
    color: #2563eb;
    flex-shrink: 0;
}

.update-notification-text {
    flex: 1;
    min-width: 0;
}

.update-notification-text h3 {
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 4px 0;
}

.update-notification-text p {
    font-size: 12px;
    color: #64748b;
    margin: 0;
}

.update-notification-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.update-btn-primary {
    padding: 8px 16px;
    background: #003366;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.update-btn-primary:hover {
    background: #002244;
}

.update-btn-primary:active {
    transform: scale(0.98);
}

.update-btn-secondary {
    padding: 8px 16px;
    background: #f8fafc;
    color: #64748b;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.update-btn-secondary:hover {
    background: #f1f5f9;
}

@media (max-width: 640px) {
    .update-notification {
        left: 12px;
        right: 12px;
        bottom: calc(72px + env(safe-area-inset-bottom, 20px));
    }

    .update-notification-content {
        flex-direction: column;
        gap: 12px;
    }

    .update-notification-actions {
        width: 100%;
        flex-direction: column;
    }

    .update-btn-primary,
    .update-btn-secondary {
        width: 100%;
    }
}