import 'package:flutter/material.dart';

class AppTheme {
  // Primary Palette
  static const Color primaryDark = Color(0xFF0F172A); // Midnight Navy
  static const Color cardDark = Color(0xFF1E293B);    // Slate Navy
  static const Color goldAccent = Color(0xFFD4AF37);   // Uruk Metallic Gold
  static const Color goldLight = Color(0xFFF3E5AB);    // Pale Gold
  static const Color emeraldGreen = Color(0xFF10B981);// Active Green
  static const Color crimsonRed = Color(0xFFEF4444);  // Expired / Warning Red
  static const Color textMuted = Color(0xFF94A3B8);   // Muted Slate Text

  static ThemeData get darkTheme {
    return ThemeData(
      useMaterial3: true,
      brightness: Brightness.dark,
      scaffoldBackgroundColor: primaryDark,
      primaryColor: goldAccent,
      cardColor: cardDark,
      appBarTheme: const AppBarTheme(
        backgroundColor: primaryDark,
        elevation: 0,
        centerTitle: true,
        titleTextStyle: TextStyle(
          color: goldLight,
          fontSize: 18,
          fontWeight: FontWeight.bold,
          letterSpacing: 0.5,
        ),
      ),
      colorScheme: const ColorScheme.dark(
        primary: goldAccent,
        secondary: goldLight,
        surface: cardDark,
      ),

      elevatedButtonTheme: ElevatedButtonThemeData(
        style: ElevatedButton.styleFrom(
          backgroundColor: goldAccent,
          foregroundColor: primaryDark,
          padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 14),
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(12),
          ),
          textStyle: const TextStyle(
            fontSize: 16,
            fontWeight: FontWeight.bold,
          ),
        ),
      ),
    );
  }
}