feat: add AI disclaimer banner and persist UI state in localStorage
1. Disclaimer: amber-colored banner between the intensity slider and the Convert button warning users that: - Results are AI-generated and may be inaccurate or biased - Do not enter personal or sensitive information - Use at your own discretion, demo only 2. State persistence: all UI state is saved to localStorage under 'english-styler-state' and restored on page load: - Input text - Selected category and style - Intensity slider position - Accordion (Show prompt) open/close state Uses () to auto-save whenever state changes.
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@@ -1,38 +1,75 @@
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<script lang="ts">
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import {
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categories,
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styles,
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getStylesByCategory,
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getIntensityConfig,
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} from "$lib/styles";
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import type { Style, StyleCategory, ConversionResponse } from "$lib/types";
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import LoadingModal from "$lib/components/LoadingModal.svelte";
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import { categories, getStylesByCategory, getIntensityConfig } from '$lib/styles';
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import type { ConversionResponse } from '$lib/types';
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import LoadingModal from '$lib/components/LoadingModal.svelte';
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let inputText = $state("");
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let selectedCategoryId = $state("");
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let selectedStyleId = $state("");
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let intensity = $state(3);
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let outputText = $state("");
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const STORAGE_KEY = 'english-styler-state';
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interface SavedState {
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inputText: string;
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selectedCategoryId: string;
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selectedStyleId: string;
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intensity: number;
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showPrompt: boolean;
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}
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function loadState(): SavedState | null {
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try {
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const raw = localStorage.getItem(STORAGE_KEY);
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if (!raw) return null;
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return JSON.parse(raw) as SavedState;
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} catch {
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return null;
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}
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}
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function saveState() {
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try {
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const state: SavedState = {
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inputText,
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selectedCategoryId,
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selectedStyleId,
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intensity,
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showPrompt
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};
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localStorage.setItem(STORAGE_KEY, JSON.stringify(state));
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} catch {
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// localStorage may be unavailable (private browsing, etc.)
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}
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}
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const saved = loadState();
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let inputText = $state(saved?.inputText ?? '');
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let selectedCategoryId = $state(saved?.selectedCategoryId ?? '');
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let selectedStyleId = $state(saved?.selectedStyleId ?? '');
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let intensity = $state(saved?.intensity ?? 3);
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let outputText = $state('');
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let loading = $state(false);
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let error = $state("");
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let systemPrompt = $state("");
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let userMessage = $state("");
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let modelName = $state("");
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let showPrompt = $state(false);
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let error = $state('');
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let systemPrompt = $state('');
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let userMessage = $state('');
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let modelName = $state('');
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let showPrompt = $state(saved?.showPrompt ?? false);
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let copied = $state(false);
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let availableStyles = $derived(
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selectedCategoryId ? getStylesByCategory(selectedCategoryId) : [],
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selectedCategoryId ? getStylesByCategory(selectedCategoryId) : []
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);
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let canConvert = $derived(
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inputText.trim().length > 0 && selectedStyleId.length > 0 && !loading,
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inputText.trim().length > 0 && selectedStyleId.length > 0 && !loading
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);
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let intensityLabel = $derived(getIntensityConfig(intensity)?.label ?? "");
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let intensityLabel = $derived(getIntensityConfig(intensity)?.label ?? '');
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// Persist state whenever it changes
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$effect(() => {
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saveState();
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});
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function onCategoryChange() {
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selectedStyleId = "";
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selectedStyleId = '';
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if (availableStyles.length === 1) {
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selectedStyleId = availableStyles[0].id;
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}
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@@ -42,28 +79,28 @@
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if (!canConvert) return;
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loading = true;
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error = "";
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outputText = "";
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systemPrompt = "";
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userMessage = "";
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modelName = "";
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error = '';
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outputText = '';
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systemPrompt = '';
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userMessage = '';
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modelName = '';
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showPrompt = false;
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try {
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const res = await fetch("/api/convert", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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const res = await fetch('/api/convert', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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text: inputText,
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styleId: selectedStyleId,
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intensity,
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}),
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intensity
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})
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});
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const data = await res.json();
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if (!res.ok) {
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throw new Error(data.error || "Conversion failed");
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throw new Error(data.error || 'Conversion failed');
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}
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const result: ConversionResponse = data;
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@@ -72,7 +109,7 @@
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userMessage = result.userMessage;
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modelName = result.model;
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} catch (err) {
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error = err instanceof Error ? err.message : "Something went wrong";
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error = err instanceof Error ? err.message : 'Something went wrong';
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} finally {
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loading = false;
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}
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@@ -84,11 +121,10 @@
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copied = true;
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setTimeout(() => (copied = false), 2000);
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} catch {
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// Fallback: select text
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const textarea = document.querySelector(".output-text");
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if (textarea instanceof HTMLElement) {
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const el = document.querySelector('.output-text');
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if (el instanceof HTMLElement) {
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const range = document.createRange();
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range.selectNodeContents(textarea);
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range.selectNodeContents(el);
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const sel = window.getSelection();
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sel?.removeAllRanges();
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sel?.addRange(range);
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@@ -99,9 +135,7 @@
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<main class="container">
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<h1 class="title">English Style Converter</h1>
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<p class="subtitle">
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Transform your text into different English styles and tones
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</p>
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<p class="subtitle">Transform your text into different English styles and tones</p>
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<div class="card">
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<div class="form-group">
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@@ -109,7 +143,7 @@
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<textarea
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id="input-text"
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bind:value={inputText}
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placeholder="Enter the English text you want to convert... DO NOT ENTER ANY PERSONAL INFORMATION!!"
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placeholder="Enter the English text you want to convert..."
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rows="5"
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disabled={loading}
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></textarea>
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@@ -133,11 +167,7 @@
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<div class="form-group">
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<label for="style">Style</label>
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<select
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id="style"
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bind:value={selectedStyleId}
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disabled={loading || !selectedCategoryId}
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>
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<select id="style" bind:value={selectedStyleId} disabled={loading || !selectedCategoryId}>
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{#if !selectedCategoryId}
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<option value="">Select a category first...</option>
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{:else if availableStyles.length === 0}
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@@ -154,9 +184,7 @@
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<div class="form-group">
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<label for="intensity">
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Intensity: <span class="intensity-label"
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>{intensityLabel || "Strong"}</span
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>
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Intensity: <span class="intensity-label">{intensityLabel || 'Strong'}</span>
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</label>
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<div class="slider-row">
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<span class="slider-end">Subtle</span>
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@@ -173,11 +201,12 @@
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</div>
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</div>
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<button
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class="convert-btn"
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onclick={handleConvert}
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disabled={!canConvert}
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>
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<div class="disclaimer">
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<span class="disclaimer-icon">⚡</span>
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<span>This tool uses AI to generate styled text. Results may be inaccurate, biased, or unexpected. Do not enter personal or sensitive information. Use at your own discretion — this is a demo and outputs should not be relied upon for important purposes.</span>
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</div>
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<button class="convert-btn" onclick={handleConvert} disabled={!canConvert}>
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{#if loading}
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Converting...
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{:else}
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@@ -211,11 +240,8 @@
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</div>
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<div class="prompt-section">
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<button
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class="prompt-toggle"
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onclick={() => (showPrompt = !showPrompt)}
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>
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{showPrompt ? "▼" : "▶"} Show prompt
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<button class="prompt-toggle" onclick={() => (showPrompt = !showPrompt)}>
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{showPrompt ? '▼' : '▶'} Show prompt
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</button>
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{#if showPrompt}
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<div class="prompt-content">
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@@ -328,10 +354,30 @@
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white-space: nowrap;
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}
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input[type="range"] {
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input[type='range'] {
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flex: 1;
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}
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.disclaimer {
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background: #fff8ed;
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border: 1px solid #f6c96a;
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border-radius: 8px;
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padding: 0.75rem 1rem;
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margin-bottom: 1.25rem;
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font-size: 0.82rem;
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line-height: 1.5;
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color: #8b6914;
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display: flex;
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gap: 0.6rem;
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align-items: flex-start;
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}
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.disclaimer-icon {
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flex-shrink: 0;
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font-size: 1rem;
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line-height: 1.5;
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}
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.convert-btn {
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width: 100%;
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padding: 0.85rem;
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@@ -342,9 +388,7 @@
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font-size: 1.05rem;
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font-weight: 700;
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cursor: pointer;
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transition:
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background 0.2s,
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opacity 0.2s;
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transition: background 0.2s, opacity 0.2s;
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}
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.convert-btn:hover:not(:disabled) {
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