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457 lines
12 KiB
457 lines
12 KiB
import { Ionicons } from '@expo/vector-icons';
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import { useLocalSearchParams, useRouter } from 'expo-router';
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import {
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ActivityIndicator,
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Pressable,
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ScrollView,
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StyleSheet,
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Text,
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TextInput,
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View,
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} from 'react-native';
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import { SafeAreaView } from 'react-native-safe-area-context';
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import { useMemo, useState } from 'react';
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import { useGameData } from '../../src/hooks';
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import { colors } from '../../src/theme';
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import type { GameAnswer, GameQuestion } from '../../src/types';
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/* ===================== 子组件：顶部导航 ===================== */
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function Header({ title, onBack }: { title: string; onBack: () => void }) {
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return (
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<View style={styles.header}>
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<Pressable style={styles.headerBtn} onPress={onBack} hitSlop={8}>
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<Ionicons name="chevron-back" size={24} color={colors.textPrimary} />
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</Pressable>
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<Text style={styles.headerTitle}>{title}</Text>
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<View style={styles.headerBtn} />
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</View>
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);
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}
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/* ===================== 子组件：题目卡片 ===================== */
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function QuestionCard({
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index,
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question,
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answer,
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onSelect,
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onInput,
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submitted,
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}: {
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index: number;
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question: GameQuestion;
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answer: GameAnswer | undefined;
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onSelect: (questionId: string, optionId: string, type: GameQuestion['type']) => void;
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onInput: (questionId: string, value: string) => void;
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submitted: boolean;
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}) {
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return (
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<View style={styles.questionCard}>
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<Text style={styles.questionIndex}>题目 {index + 1}</Text>
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<Text style={styles.questionTitle}>{question.title}</Text>
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{question.type === 'input' ? (
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<TextInput
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style={styles.input}
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placeholder={question.placeholder ?? '请输入答案'}
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placeholderTextColor={colors.textHint}
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value={answer?.inputValue ?? ''}
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onChangeText={(text) => onInput(question.id, text)}
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editable={!submitted}
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/>
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) : (
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<View style={styles.options}>
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{question.options?.map((option) => {
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const selected = answer?.selectedIds.includes(option.id) ?? false;
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const showCorrect = submitted && option.isCorrect;
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const showWrong = submitted && selected && !option.isCorrect;
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return (
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<Pressable
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key={option.id}
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style={[
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styles.option,
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selected && styles.optionSelected,
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showCorrect && styles.optionCorrect,
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showWrong && styles.optionWrong,
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]}
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onPress={() => onSelect(question.id, option.id, question.type)}
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disabled={submitted}
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>
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<Text
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style={[
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styles.optionText,
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selected && styles.optionTextSelected,
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showCorrect && styles.optionTextCorrect,
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showWrong && styles.optionTextWrong,
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]}
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>
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{option.text}
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</Text>
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{showCorrect && <Ionicons name="checkmark" size={18} color={colors.success} />}
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{showWrong && <Ionicons name="close" size={18} color={colors.danger} />}
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</Pressable>
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);
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})}
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</View>
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)}
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{submitted && (
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<View style={styles.explanation}>
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<Text style={styles.explanationLabel}>解析</Text>
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<Text style={styles.explanationText}>{question.explanation}</Text>
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</View>
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)}
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</View>
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);
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}
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/* ===================== 页面 ===================== */
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export default function GameLevelScreen() {
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const router = useRouter();
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const { id } = useLocalSearchParams<{ id: string }>();
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const { levels, progress, loading, error, refresh, submitLevel, submitting } = useGameData();
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const level = useMemo(() => levels.find((l) => l.id === id), [levels, id]);
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const result = useMemo(
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() => progress?.results.find((r) => r.levelId === id),
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[progress, id],
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);
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const [answers, setAnswers] = useState<GameAnswer[]>([]);
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const [submitted, setSubmitted] = useState(false);
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// 已有历史结果时进入结果态
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const hasResult = result?.completed === true;
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const showResult = submitted || hasResult;
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const handleSelect = (
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questionId: string,
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optionId: string,
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type: GameQuestion['type'],
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) => {
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setAnswers((prev) => {
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const next = prev.filter((a) => a.questionId !== questionId);
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const existing = prev.find((a) => a.questionId === questionId);
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let selectedIds: string[];
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if (type === 'multiple') {
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const current = existing?.selectedIds ?? [];
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selectedIds = current.includes(optionId)
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? current.filter((sid) => sid !== optionId)
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: [...current, optionId];
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} else {
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selectedIds = [optionId];
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}
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return [...next, { questionId, selectedIds, isCorrect: false }];
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});
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};
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const handleInput = (questionId: string, value: string) => {
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setAnswers((prev) => {
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const next = prev.filter((a) => a.questionId !== questionId);
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return [...next, { questionId, selectedIds: [], inputValue: value, isCorrect: false }];
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});
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};
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const handleSubmit = async () => {
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if (!level) return;
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const payload = level.questions.map((q) => {
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const answer = answers.find((a) => a.questionId === q.id);
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return {
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questionId: q.id,
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selectedIds: answer?.selectedIds ?? [],
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inputValue: answer?.inputValue,
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isCorrect: false,
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};
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});
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await submitLevel({ levelId: level.id, answers: payload });
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setSubmitted(true);
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};
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const handleNext = () => {
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if (!level?.nextLevel) {
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router.replace('/game');
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return;
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}
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router.replace(`/game/level?id=${level.nextLevel}`);
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};
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if (loading) {
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return (
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<SafeAreaView style={styles.safeArea} edges={['top']}>
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<Header title="关卡" onBack={() => router.back()} />
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<View style={styles.stateBox}>
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<ActivityIndicator size="large" color={colors.primary} />
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</View>
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</SafeAreaView>
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);
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}
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if (error || !level) {
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return (
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<SafeAreaView style={styles.safeArea} edges={['top']}>
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<Header title="关卡" onBack={() => router.back()} />
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<View style={styles.stateBox}>
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<Text style={styles.stateText}>{error ? '加载失败' : '关卡不存在'}</Text>
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<Pressable style={styles.retryBtn} onPress={refresh}>
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<Text style={styles.retryText}>重试</Text>
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</Pressable>
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</View>
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</SafeAreaView>
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);
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}
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return (
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<SafeAreaView style={styles.safeArea} edges={['top']}>
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<Header title={level.title} onBack={() => router.back()} />
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<ScrollView
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style={styles.scroll}
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contentContainerStyle={styles.content}
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showsVerticalScrollIndicator={false}
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>
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<Text style={styles.levelDesc}>{level.description}</Text>
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{level.questions.map((q, idx) => (
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<QuestionCard
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key={q.id}
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index={idx}
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question={q}
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answer={answers.find((a) => a.questionId === q.id)}
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onSelect={handleSelect}
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onInput={handleInput}
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submitted={showResult}
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/>
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))}
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{showResult && result && (
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<View style={styles.resultCard}>
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<Text style={styles.resultTitle}>
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本关得分：<Text style={styles.resultScore}>{result.score}</Text> 分
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</Text>
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<Text style={styles.resultHint}>
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{result.completed ? '恭喜通关！' : '未达 60 分，可重新挑战'}
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</Text>
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</View>
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)}
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{!showResult ? (
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<Pressable
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style={[styles.submitBtn, submitting && styles.submitBtnDisabled]}
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onPress={handleSubmit}
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disabled={submitting}
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>
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<Text style={styles.submitText}>{submitting ? '提交中…' : '提交答案'}</Text>
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</Pressable>
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) : (
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<Pressable style={styles.nextBtn} onPress={handleNext}>
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<Text style={styles.nextText}>{level.nextLevel ? '进入下一关' : '返回通关地图'}</Text>
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</Pressable>
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)}
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</ScrollView>
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</SafeAreaView>
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);
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}
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const styles = StyleSheet.create({
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safeArea: {
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flex: 1,
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backgroundColor: colors.pageBg,
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},
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header: {
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flexDirection: 'row',
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alignItems: 'center',
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justifyContent: 'space-between',
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paddingHorizontal: 8,
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height: 48,
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backgroundColor: colors.white,
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borderBottomWidth: 1,
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borderBottomColor: colors.borderLight,
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},
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headerBtn: {
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width: 40,
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height: 40,
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alignItems: 'center',
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justifyContent: 'center',
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},
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headerTitle: {
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fontSize: 17,
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fontWeight: '700',
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color: colors.textPrimary,
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},
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scroll: {
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flex: 1,
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},
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content: {
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padding: 8,
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paddingBottom: 24,
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},
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levelDesc: {
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fontSize: 14,
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lineHeight: 20,
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color: colors.textSecondary,
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backgroundColor: colors.white,
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borderRadius: 8,
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padding: 8,
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marginBottom: 8,
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},
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questionCard: {
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backgroundColor: colors.white,
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borderRadius: 8,
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padding: 8,
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marginBottom: 8,
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},
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questionIndex: {
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fontSize: 12,
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fontWeight: '600',
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color: colors.primary,
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marginBottom: 6,
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},
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questionTitle: {
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fontSize: 15,
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fontWeight: '700',
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color: colors.textPrimary,
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lineHeight: 22,
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marginBottom: 12,
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},
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options: {
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gap: 8,
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},
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option: {
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flexDirection: 'row',
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alignItems: 'center',
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justifyContent: 'space-between',
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paddingHorizontal: 8,
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paddingVertical: 8,
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borderRadius: 8,
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borderWidth: 1,
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borderColor: colors.border,
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backgroundColor: colors.white,
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},
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optionSelected: {
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borderColor: colors.primary,
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backgroundColor: colors.primaryLight,
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},
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optionCorrect: {
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borderColor: colors.success,
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backgroundColor: colors.successLight,
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},
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optionWrong: {
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borderColor: colors.danger,
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backgroundColor: colors.dangerLight,
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},
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optionText: {
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flex: 1,
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fontSize: 14,
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color: colors.textPrimary,
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},
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optionTextSelected: {
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color: colors.primaryText,
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fontWeight: '600',
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},
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optionTextCorrect: {
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color: colors.successText,
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fontWeight: '600',
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},
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optionTextWrong: {
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color: colors.dangerText,
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fontWeight: '600',
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},
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input: {
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height: 44,
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borderRadius: 6,
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borderWidth: 1,
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borderColor: colors.border,
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paddingHorizontal: 12,
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fontSize: 14,
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color: colors.textPrimary,
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},
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explanation: {
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marginTop: 8,
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padding: 8,
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borderRadius: 8,
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backgroundColor: colors.infoLight,
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},
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explanationLabel: {
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fontSize: 12,
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fontWeight: '700',
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color: colors.infoText,
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marginBottom: 4,
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},
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explanationText: {
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fontSize: 13,
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lineHeight: 18,
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color: colors.textSecondary,
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},
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resultCard: {
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alignItems: 'center',
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backgroundColor: colors.white,
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borderRadius: 8,
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padding: 8,
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marginBottom: 8,
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},
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resultTitle: {
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fontSize: 16,
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fontWeight: '700',
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color: colors.textPrimary,
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},
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resultScore: {
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color: colors.primary,
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},
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resultHint: {
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marginTop: 6,
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fontSize: 13,
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color: colors.textSecondary,
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},
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submitBtn: {
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marginTop: 8,
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height: 48,
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borderRadius: 8,
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alignItems: 'center',
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justifyContent: 'center',
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backgroundColor: colors.primaryBtn,
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},
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submitBtnDisabled: {
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opacity: 0.6,
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},
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submitText: {
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fontSize: 15,
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fontWeight: '700',
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color: colors.white,
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},
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nextBtn: {
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marginTop: 8,
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height: 48,
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borderRadius: 8,
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alignItems: 'center',
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justifyContent: 'center',
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backgroundColor: colors.successBtn,
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},
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nextText: {
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fontSize: 15,
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fontWeight: '700',
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color: colors.white,
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},
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stateBox: {
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flex: 1,
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alignItems: 'center',
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justifyContent: 'center',
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},
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stateText: {
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marginTop: 12,
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fontSize: 14,
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color: colors.textSecondary,
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},
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retryBtn: {
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marginTop: 16,
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paddingHorizontal: 24,
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paddingVertical: 8,
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borderRadius: 18,
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backgroundColor: colors.primaryBtn,
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},
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retryText: {
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fontSize: 13,
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fontWeight: '600',
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color: colors.white,
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},
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});
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