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254
frontend/lib/screens/auth/register_screen.dart
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254
frontend/lib/screens/auth/register_screen.dart
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import 'dart:ui';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../providers/auth_provider.dart';
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import '../../theme/colors.dart';
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class RegisterScreen extends ConsumerStatefulWidget {
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const RegisterScreen({super.key});
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@override
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ConsumerState<RegisterScreen> createState() => _RegisterScreenState();
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}
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class _RegisterScreenState extends ConsumerState<RegisterScreen> {
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final _nicknameController = TextEditingController();
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final _phoneController = TextEditingController();
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final _passwordController = TextEditingController();
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final _formKey = GlobalKey<FormState>();
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@override
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void dispose() {
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_nicknameController.dispose();
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_phoneController.dispose();
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_passwordController.dispose();
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super.dispose();
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}
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String? _validateNickname(String? value) {
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if (value == null || value.isEmpty) {
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return '请输入昵称';
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}
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if (value.length > 20) {
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return '昵称最多20个字符';
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}
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return null;
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}
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String? _validatePhone(String? value) {
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if (value == null || value.isEmpty) {
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return '请输入手机号';
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}
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if (value.length != 11) {
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return '手机号必须为11位';
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}
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return null;
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}
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String? _validatePassword(String? value) {
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if (value == null || value.isEmpty) {
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return '请输入密码';
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}
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if (value.length < 6) {
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return '密码至少6位';
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}
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return null;
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}
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Future<void> _handleRegister() async {
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if (!_formKey.currentState!.validate()) return;
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final phone = _phoneController.text;
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final password = _passwordController.text;
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final nickname = _nicknameController.text;
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await ref.read(authProvider.notifier).register(phone, password, nickname);
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final authState = ref.read(authProvider);
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if (authState.isLoggedIn && mounted) {
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Navigator.pop(context);
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}
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}
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@override
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Widget build(BuildContext context) {
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final authState = ref.watch(authProvider);
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final isLoading = authState.isLoading;
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return Scaffold(
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body: Container(
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [
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Color(0xFFFF6B35),
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Color(0xFFFF9F5B),
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],
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),
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),
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child: SafeArea(
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child: Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.symmetric(horizontal: 32),
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child: Form(
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key: _formKey,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Text(
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'创建你的账号',
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style: TextStyle(
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fontSize: 24,
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fontWeight: FontWeight.bold,
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color: Colors.white,
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),
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),
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const SizedBox(height: 8),
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const Text(
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'加入家庭记账，轻松管理财务',
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style: TextStyle(
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fontSize: 14,
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color: Colors.white70,
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),
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),
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const SizedBox(height: 48),
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_buildGlassInput(
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child: TextFormField(
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controller: _nicknameController,
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style: const TextStyle(color: AppColors.textPrimary),
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decoration: const InputDecoration(
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hintText: '请输入昵称',
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hintStyle: TextStyle(color: AppColors.textSecondary),
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border: InputBorder.none,
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prefixIcon: Icon(Icons.person_outline, color: AppColors.brand),
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),
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validator: _validateNickname,
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),
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),
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const SizedBox(height: 16),
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_buildGlassInput(
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child: TextFormField(
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controller: _phoneController,
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keyboardType: TextInputType.phone,
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style: const TextStyle(color: AppColors.textPrimary),
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decoration: const InputDecoration(
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hintText: '请输入手机号',
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hintStyle: TextStyle(color: AppColors.textSecondary),
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border: InputBorder.none,
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prefixIcon: Icon(Icons.phone_android, color: AppColors.brand),
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),
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inputFormatters: [
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FilteringTextInputFormatter.digitsOnly,
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LengthLimitingTextInputFormatter(11),
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],
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validator: _validatePhone,
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),
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),
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const SizedBox(height: 16),
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_buildGlassInput(
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child: TextFormField(
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controller: _passwordController,
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obscureText: true,
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style: const TextStyle(color: AppColors.textPrimary),
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decoration: const InputDecoration(
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hintText: '请输入密码',
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hintStyle: TextStyle(color: AppColors.textSecondary),
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border: InputBorder.none,
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prefixIcon: Icon(Icons.lock_outline, color: AppColors.brand),
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),
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validator: _validatePassword,
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),
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),
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const SizedBox(height: 32),
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SizedBox(
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width: double.infinity,
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height: 56,
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child: ElevatedButton(
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onPressed: isLoading ? null : _handleRegister,
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style: ElevatedButton.styleFrom(
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backgroundColor: AppColors.brand,
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foregroundColor: Colors.white,
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disabledBackgroundColor: AppColors.brand.withOpacity(0.6),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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),
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elevation: 0,
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),
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child: isLoading
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? const Text(
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'注册中...',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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),
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)
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: const Text(
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'注册',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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),
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),
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),
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),
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if (authState.error != null) ...[
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const SizedBox(height: 16),
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Text(
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authState.error!,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 14,
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),
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),
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],
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const SizedBox(height: 24),
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GestureDetector(
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onTap: () => Navigator.pop(context),
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child: const Text(
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'已有账号？立即登录',
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style: TextStyle(
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fontSize: 14,
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color: Colors.white,
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decoration: TextDecoration.underline,
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),
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),
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),
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],
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),
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),
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),
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),
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),
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),
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);
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}
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Widget _buildGlassInput({required Widget child}) {
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return Container(
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decoration: BoxDecoration(
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color: Colors.white.withOpacity(0.8),
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: Colors.white.withOpacity(0.8)),
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boxShadow: [
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BoxShadow(
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color: AppColors.brand.withOpacity(0.06),
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blurRadius: 32,
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offset: const Offset(0, 8),
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),
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],
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),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(14),
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child: BackdropFilter(
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filter: ImageFilter.blur(sigmaX: 30, sigmaY: 30),
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
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child: child,
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),
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),
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),
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);
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}
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}
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