import 'package:flutter/material.dart';

class KpiCard extends StatelessWidget {
  final String title;
  final String value;
  final String? subtitle;
  final IconData icon;
  final Color color;
  final VoidCallback? onTap;

  const KpiCard({
    super.key,
    required this.title,
    required this.value,
    this.subtitle,
    required this.icon,
    required this.color,
    this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: onTap,
      child: Container(
        decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.circular(16),
          boxShadow: [
            BoxShadow(
              color: color.withOpacity(0.15),
              blurRadius: 16,
              offset: const Offset(0, 4),
            ),
          ],
        ),
        padding: const EdgeInsets.all(20),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Container(
                  padding: const EdgeInsets.all(10),
                  decoration: BoxDecoration(
                    color: color.withOpacity(0.12),
                    borderRadius: BorderRadius.circular(10),
                  ),
                  child: Icon(icon, color: color, size: 22),
                ),
                if (onTap != null)
                  Icon(Icons.arrow_forward_ios, size: 14, color: Colors.grey[400]),
              ],
            ),
            const SizedBox(height: 16),
            Text(
              value,
              style: TextStyle(
                fontSize: 28,
                fontWeight: FontWeight.bold,
                color: color,
              ),
            ),
            const SizedBox(height: 4),
            Text(
              title,
              style: const TextStyle(
                fontSize: 13,
                fontWeight: FontWeight.w600,
                color: Color(0xFF374151),
              ),
            ),
            if (subtitle != null) ...[
              const SizedBox(height: 4),
              Text(
                subtitle!,
                style: TextStyle(fontSize: 11, color: Colors.grey[500]),
              ),
            ],
          ],
        ),
      ),
    );
  }
}