lib/theme/finanjo_theme.dart

import 'package:flutter/material.dart';

class FinanjoTheme {
  // Brand Colors - Tuned to be cleaner and slightly deeper
  static const Color primaryPurple = Color(0xFF6C43D5); 
  static const Color lightPurple = Color(0xFFE2D6F5);
  static const Color deepPurple = Color(0xFF33157A);
  static const Color backgroundLight = Color(0xFFFAF9FC);
  static const Color cardWhite = Colors.white;
  static const Color textDark = Color(0xFF141029);
  static const Color textGrey = Color(0xFF6B6580);
  static const Color successGreen = Color(0xFF00C48C);
  static const Color cautionYellow = Color(0xFFFFB800);

  // Gradient Background - softer, more majestic
  static const LinearGradient premiumGradient = LinearGradient(
    begin: Alignment.topLeft,
    end: Alignment.bottomRight,
    colors: [
      Color(0xFFEDE6FB), // Very light soft purple
      Color(0xFFFFFFFF), // Pure white
      Color(0xFFE8DEFA), // Very light soft purple 
    ],
    stops: [0.0, 0.5, 1.0],
  );

  static const LinearGradient solidPremiumGradient = LinearGradient(
    begin: Alignment.topCenter,
    end: Alignment.bottomCenter,
    colors: [
      Color(0xFF8B6BCE),
      Color(0xFF6C43D5), 
    ],
  );

  // Box Decorations - ultra premium layered shadows
  static BoxDecoration cardDecoration = BoxDecoration(
    color: cardWhite,
    borderRadius: BorderRadius.circular(32),
    boxShadow: [
      BoxShadow(
        color: primaryPurple.withOpacity(0.06),
        blurRadius: 35,
        offset: const Offset(0, 20),
        spreadRadius: 2,
      ),
      BoxShadow(
        color: Colors.black.withOpacity(0.02),
        blurRadius: 10,
        offset: const Offset(0, 5),
      ),
    ],
  );

  static BoxDecoration glassDecoration = BoxDecoration(
    color: Colors.white.withOpacity(0.85),
    borderRadius: BorderRadius.circular(32),
    border: Border.all(color: Colors.white.withOpacity(0.4), width: 1.5),
    boxShadow: [
      BoxShadow(
        color: deepPurple.withOpacity(0.04),
        blurRadius: 40,
        offset: const Offset(0, 15),
      ),
    ],
  );

  // Button Styles - more distinct "pill" feel and heft
  static ButtonStyle primaryButtonStyle = ElevatedButton.styleFrom(
    backgroundColor: primaryPurple,
    foregroundColor: Colors.white,
    elevation: 0, 
    shape: RoundedRectangleBorder(
      borderRadius: BorderRadius.circular(24),
    ),
    padding: const EdgeInsets.symmetric(horizontal: 40, vertical: 18),
    textStyle: const TextStyle(
      fontSize: 17,
      fontWeight: FontWeight.w800,
      letterSpacing: 0.3,
    ),
  );

  static ButtonStyle secondaryButtonStyle = OutlinedButton.styleFrom(
    foregroundColor: primaryPurple,
    side: const BorderSide(color: primaryPurple, width: 2),
    shape: RoundedRectangleBorder(
      borderRadius: BorderRadius.circular(24),
    ),
    padding: const EdgeInsets.symmetric(horizontal: 40, vertical: 18),
    textStyle: const TextStyle(
      fontSize: 17,
      fontWeight: FontWeight.w800,
    ),
  );

  // Text Styles - cleaner layouts
  static const TextStyle headingStyle = TextStyle(
    color: textDark,
    fontSize: 34,
    fontWeight: FontWeight.w900,
    height: 1.15,
    letterSpacing: -0.5,
  );

  static const TextStyle subHeadingStyle = TextStyle(
    color: textGrey,
    fontSize: 16,
    fontWeight: FontWeight.w600,
    height: 1.4,
  );

  static const TextStyle bodyStyle = TextStyle(
    color: textGrey,
    fontSize: 15,
    fontWeight: FontWeight.w500,
    height: 1.5,
  );

  // Overall App Theme
  static ThemeData get themeData {
    return ThemeData(
      primaryColor: primaryPurple,
      scaffoldBackgroundColor: backgroundLight,
      colorScheme: ColorScheme.fromSeed(seedColor: primaryPurple),
      fontFamily: 'Roboto', // Safe universal bet for clean sans-serif
      appBarTheme: const AppBarTheme(
        backgroundColor: Colors.transparent,
        elevation: 0,
        centerTitle: true,
        iconTheme: IconThemeData(color: deepPurple),
        titleTextStyle: TextStyle(
          color: textDark,
          fontSize: 18,
          fontWeight: FontWeight.w800,
        ),
      ),
      elevatedButtonTheme: ElevatedButtonThemeData(style: primaryButtonStyle),
      outlinedButtonTheme: OutlinedButtonThemeData(style: secondaryButtonStyle),
      useMaterial3: true,
    );
  }
}