import 'package:flutter/material.dart';

/// Thèmes Material 3 (clair + sombre) avec un accent unifié.
class AppTheme {
  static const _seed = Color(0xFF5E5CE6);

  static ThemeData light() => _base(Brightness.light);
  static ThemeData dark() => _base(Brightness.dark);

  static ThemeData _base(Brightness brightness) {
    final scheme = ColorScheme.fromSeed(seedColor: _seed, brightness: brightness);
    return ThemeData(
      useMaterial3: true,
      colorScheme: scheme,
      scaffoldBackgroundColor: scheme.surface,
      appBarTheme: AppBarTheme(
        backgroundColor: scheme.surface,
        foregroundColor: scheme.onSurface,
        centerTitle: false,
        elevation: 0,
        titleTextStyle: TextStyle(
          color: scheme.onSurface,
          fontSize: 24,
          fontWeight: FontWeight.w800,
          letterSpacing: -0.5,
        ),
      ),
      cardTheme: CardThemeData(
        clipBehavior: Clip.antiAlias,
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(22)),
        elevation: 0,
      ),
      filledButtonTheme: FilledButtonThemeData(
        style: FilledButton.styleFrom(
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
          padding: const EdgeInsets.symmetric(horizontal: 22, vertical: 14),
          textStyle: const TextStyle(fontWeight: FontWeight.w700, fontSize: 15),
        ),
      ),
    );
  }
}