import 'package:flutter/material.dart';

/// Shared app theme, aligned with the visual tone of the reference templates.
class AppTheme {
  AppTheme._();

  static const Color background = Color(0xFFF3F6F8);
  static const Color surface = Color(0xFFFFFFFF);
  static const Color primary = Color(0xFF1E3541);
  static const Color accent = Color(0xFF1AB6C8);
  static const Color textPrimary = Color(0xFF18303A);
  static const Color textSecondary = Color(0xFF58707A);

  /// Builds the Material [ThemeData].
  static ThemeData light() {
    final ColorScheme colorScheme = ColorScheme.fromSeed(seedColor: primary);
    final TextTheme textTheme = ThemeData.light().textTheme.apply(
      fontFamily: 'WorkSans',
      bodyColor: textPrimary,
      displayColor: textPrimary,
    );

    return ThemeData(
      useMaterial3: true,
      colorScheme: colorScheme.copyWith(
        primary: primary,
        secondary: accent,
        surface: surface,
      ),
      scaffoldBackgroundColor: background,
      textTheme: textTheme.copyWith(
        headlineMedium: textTheme.headlineMedium?.copyWith(
          fontWeight: FontWeight.w700,
          letterSpacing: 0.1,
        ),
        titleLarge: textTheme.titleLarge?.copyWith(
          fontWeight: FontWeight.w700,
          letterSpacing: 0.1,
        ),
        titleMedium: textTheme.titleMedium?.copyWith(
          fontWeight: FontWeight.w600,
        ),
      ),
      appBarTheme: const AppBarTheme(
        centerTitle: false,
        backgroundColor: Colors.transparent,
        foregroundColor: textPrimary,
        elevation: 0,
      ),
      cardTheme: CardThemeData(
        color: surface,
        elevation: 0,
        margin: EdgeInsets.zero,
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(24)),
      ),
    );
  }
}