111 lines
4.0 KiB
Dart
111 lines
4.0 KiB
Dart
import 'package:flutter/material.dart';
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/// Paleta y tema central de WasteNotify.
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/// Inspirado en materiales naturales: verde bosque + tierra + blanco hueso.
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/// Transmite confianza institucional y respeto ambiental.
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abstract final class AppTheme {
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// --- Paleta de color ---
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static const Color forestGreen = Color(0xFF1B5E20);
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static const Color leafGreen = Color(0xFF2E7D32);
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static const Color mintGreen = Color(0xFF43A047);
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static const Color lightMint = Color(0xFFE8F5E9);
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static const Color earthBrown = Color(0xFF4E342E);
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static const Color sandBeige = Color(0xFFFFF8E1);
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static const Color warmWhite = Color(0xFFFAFAF7);
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static const Color charcoal = Color(0xFF212121);
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static const Color midGray = Color(0xFF757575);
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static const Color lightGray = Color(0xFFEEEEEE);
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static const Color alertAmber = Color(0xFFF57C00);
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static const Color errorRed = Color(0xFFC62828);
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static ThemeData get light {
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const colorScheme = ColorScheme(
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brightness: Brightness.light,
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primary: leafGreen,
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onPrimary: Colors.white,
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primaryContainer: lightMint,
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onPrimaryContainer: forestGreen,
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secondary: earthBrown,
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onSecondary: Colors.white,
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secondaryContainer: sandBeige,
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onSecondaryContainer: earthBrown,
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error: errorRed,
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onError: Colors.white,
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surface: warmWhite,
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onSurface: charcoal,
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);
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return ThemeData(
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useMaterial3: true,
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colorScheme: colorScheme,
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fontFamily: 'Georgia', // Serifed: transmite solidez institucional
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scaffoldBackgroundColor: warmWhite,
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appBarTheme: const AppBarTheme(
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backgroundColor: warmWhite,
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foregroundColor: charcoal,
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elevation: 0,
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scrolledUnderElevation: 1,
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),
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elevatedButtonTheme: ElevatedButtonThemeData(
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style: ElevatedButton.styleFrom(
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backgroundColor: leafGreen,
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foregroundColor: Colors.white,
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minimumSize: const Size(double.infinity, 54),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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elevation: 3,
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shadowColor: leafGreen.withOpacity(0.4),
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textStyle: const TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w700,
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letterSpacing: 0.5,
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),
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),
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),
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inputDecorationTheme: InputDecorationTheme(
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filled: true,
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fillColor: Colors.white,
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contentPadding:
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const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: lightGray, width: 1.5),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: lightGray, width: 1.5),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: leafGreen, width: 2),
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),
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errorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: errorRed, width: 1.5),
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),
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focusedErrorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: errorRed, width: 2),
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),
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labelStyle: const TextStyle(color: midGray),
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hintStyle: TextStyle(color: midGray.withOpacity(0.7)),
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),
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cardTheme: CardThemeData(
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color: Colors.white,
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elevation: 2,
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shadowColor: Colors.black.withOpacity(0.08),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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),
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),
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snackBarTheme: SnackBarThemeData(
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backgroundColor: charcoal,
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contentTextStyle: const TextStyle(color: Colors.white, fontSize: 14),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
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behavior: SnackBarBehavior.floating,
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),
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);
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}
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}
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