import 'package:flutter/material.dart';

const kPrimaryBlue = Color(0xFF4FC3F7);
const kAccentGreen = Color(0xFFA5D6A7);
const kDarkBlue = Color(0xFF1976D2);
const kBackground = Color(0xFFF5F5F5);
const kCardBackground = Colors.white;

final appTheme = ThemeData(
  useMaterial3: true,
  colorScheme: ColorScheme.fromSeed(
    seedColor: kPrimaryBlue,
    primary: kPrimaryBlue,
    secondary: kAccentGreen,
    background: kBackground,
  ),
  scaffoldBackgroundColor: kBackground,
  appBarTheme: const AppBarTheme(
    backgroundColor: kPrimaryBlue,
    foregroundColor: Colors.white,
    elevation: 0,
    centerTitle: true,
    titleTextStyle: TextStyle(
      color: Colors.white,
      fontSize: 20,
      fontWeight: FontWeight.bold,
    ),
  ),
  elevatedButtonTheme: ElevatedButtonThemeData(
    style: ElevatedButton.styleFrom(
      backgroundColor: kPrimaryBlue,
      foregroundColor: Colors.white,
      minimumSize: const Size(double.infinity, 52),
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
      textStyle: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
    ),
  ),
  inputDecorationTheme: InputDecorationTheme(
    border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
    focusedBorder: OutlineInputBorder(
      borderRadius: BorderRadius.circular(12),
      borderSide: const BorderSide(color: kPrimaryBlue, width: 2),
    ),
    contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
  ),
  cardTheme: CardThemeData(
    elevation: 3,
    shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
    color: kCardBackground,
  ),
  textTheme: const TextTheme(
    headlineMedium: TextStyle(
        color: kDarkBlue, fontWeight: FontWeight.bold, fontSize: 24),
    titleLarge:
        TextStyle(color: kDarkBlue, fontWeight: FontWeight.w600, fontSize: 18),
    bodyLarge: TextStyle(color: Color(0xFF333333), fontSize: 16),
    bodyMedium: TextStyle(color: Color(0xFF555555), fontSize: 14),
  ),
);