etm-powersync-app/lib/theme/etm_theme.dart

import 'package:flutter/material.dart';

/// Système de design ETM PowerSync
/// Complète AppTheme (couleurs énergie) avec les couleurs de marque ETM.
class ETMTheme {
  // ── Couleurs de marque ────────────────────────────────────────────────────────
  static const Color primaryColor = Color(0xFF1B3A5C);   // ETM dark blue
  static const Color accentColor  = Color(0xFF2E75B6);   // ETM mid blue
  static const Color successColor = Color(0xFF1E6B3C);   // green
  static const Color warningColor = Color(0xFFC55A11);   // orange
  static const Color errorColor   = Color(0xFFB71C1C);   // red
  static const Color proColor     = Color(0xFF5B2C8D);   // purple (Pro features)

  // ── Drawer ───────────────────────────────────────────────────────────────────
  static const Color drawerBackground  = Color(0xFF0F2133);
  static const Color drawerSurface     = Color(0xFF1A3249);
  static const Color drawerItemActive  = Color(0xFF2E75B6);
  static const Color drawerTextPrimary = Color(0xFFEEF2F7);
  static const Color drawerTextMuted   = Color(0xFF8FA9C4);
  static const double drawerWidth      = 285.0;

  // ── Badge "INSTALLATEUR" ─────────────────────────────────────────────────────
  static const Color installerBadgeColor = Color(0xFFE65100);

  // ── Widget Pro Lock ──────────────────────────────────────────────────────────
  static Widget proLock(
    BuildContext context,
    String featureName, {
    Widget? child,
  }) {
    return GestureDetector(
      onTap: () => _showProBottomSheet(context, featureName),
      child: Stack(
        children: [
          if (child != null)
            Opacity(opacity: 0.5, child: child),
          Positioned(
            top: 2,
            right: 2,
            child: _ProBadge(),
          ),
        ],
      ),
    );
  }

  static void _showProBottomSheet(BuildContext context, String featureName) {
    showModalBottomSheet(
      context: context,
      shape: const RoundedRectangleBorder(
        borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
      ),
      builder: (_) => _ProBottomSheet(featureName: featureName),
    );
  }
}

class _ProBadge extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 2),
      decoration: BoxDecoration(
        color: ETMTheme.proColor,
        borderRadius: BorderRadius.circular(6),
      ),
      child: const Text(
        '🔒 Pro',
        style: TextStyle(
          color: Colors.white,
          fontSize: 9,
          fontWeight: FontWeight.bold,
        ),
      ),
    );
  }
}

class _ProBottomSheet extends StatelessWidget {
  final String featureName;
  const _ProBottomSheet({required this.featureName});

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.fromLTRB(24, 20, 24, 32),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          Container(
            width: 36, height: 4,
            decoration: BoxDecoration(
              color: Colors.grey.shade300,
              borderRadius: BorderRadius.circular(2),
            ),
          ),
          const SizedBox(height: 20),
          Container(
            width: 56, height: 56,
            decoration: BoxDecoration(
              color: ETMTheme.proColor.withValues(alpha: 0.12),
              shape: BoxShape.circle,
            ),
            child: const Icon(Icons.lock_rounded, color: ETMTheme.proColor, size: 28),
          ),
          const SizedBox(height: 16),
          Text(
            featureName,
            style: const TextStyle(
              fontSize: 18,
              fontWeight: FontWeight.bold,
              color: Color(0xFF1A1A2E),
            ),
          ),
          const SizedBox(height: 8),
          const Text(
            'Cette fonctionnalité est disponible en version Pro.',
            textAlign: TextAlign.center,
            style: TextStyle(fontSize: 14, color: Color(0xFF6B7280)),
          ),
          const SizedBox(height: 24),
          SizedBox(
            width: double.infinity,
            child: ElevatedButton(
              style: ElevatedButton.styleFrom(
                backgroundColor: ETMTheme.proColor,
                foregroundColor: Colors.white,
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(12),
                ),
                padding: const EdgeInsets.symmetric(vertical: 14),
              ),
              onPressed: () => Navigator.pop(context),
              child: const Text('En savoir plus'),
            ),
          ),
        ],
      ),
    );
  }
}