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The HTML comment is mostly gone from the web. Pages are lighter for it, and what went with it is everything a page was not: a paragraph thought better of, a layout that never shipped, a note left for whoever came next.
Today, we rely on version control and sophisticated documentation to preserve context. But there was something magical about discovering hidden messages directly in the source code.
ai-editor.tsx
prompt.md
styles.css
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'use client';
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import React, { useState, useEffect, useRef } from 'react';
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import { motion, AnimatePresence } from 'framer-motion';
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import { Bold, Italic, Underline, Strikethrough, Code, ArrowRight, Grip, FileText, Sparkles, MessageSquare, Search } from 'lucide-react';
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import { cn } from '@/lib/utils';
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const AISphere = () => (
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<div className="w-[18px] h-[18px] rounded-full bg-gradient-to-tr from-[#3b82f6] via-[#06b6d4] to-[#8b5cf6] shadow-[0_0_12px_rgba(6,182,212,0.5)] flex-shrink-0" />
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);
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const FormatBtn = ({ icon }: { icon: React.ReactNode }) => (
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<button className="w-8 h-8 flex items-center justify-center rounded hover:bg-black/5 dark:hover:bg-white/10 text-black/50 dark:text-white/70 hover:text-black dark:hover:text-white transition-colors">
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{icon}
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</button>
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);
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const UnblurText = ({ text }: { text: string }) => {
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return (
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<p className="text-[14px] leading-[1.6] text-black/80 dark:text-zinc-300 font-matter">
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{text.split("").map((char, i) => (
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<motion.span
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key={i}
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initial={{ opacity: 0, filter: 'blur(10px)' }}
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animate={{ opacity: 1, filter: 'blur(0px)' }}
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transition={{ delay: i * 0.015, duration: 0.3 }}
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className="inline-block whitespace-pre-wrap"
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>
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{char}
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</motion.span>
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))}
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</p>
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);
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};
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export function AIEditor() {
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const [popoverState, setPopoverState] = useState<'hidden' | 'toolbar' | 'input' | 'reasoning' | 'result'>('hidden');
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const [selectionRect, setSelectionRect] = useState<DOMRect | null>(null);
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const [inputValue, setInputValue] = useState('');
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const [query, setQuery] = useState('');
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const [reasoningStep, setReasoningStep] = useState(0);
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const containerRef = useRef<HTMLDivElement>(null);
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const editorRef = useRef<HTMLDivElement>(null);
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const handleMouseUp = () => {
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if (popoverState === 'reasoning' || popoverState === 'result' || popoverState === 'input') return;
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const selection = window.getSelection();
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if (selection && selection.toString().trim().length > 0 && selection.rangeCount > 0) {
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const range = selection.getRangeAt(0);
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const rect = range.getBoundingClientRect();
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// We need coordinates relative to the container, not viewport.
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if (containerRef.current) {
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const containerRect = containerRef.current.getBoundingClientRect();
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setSelectionRect({
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...rect,
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top: rect.top - containerRect.top,
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left: rect.left - containerRect.left,
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width: rect.width,
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height: rect.height
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} as DOMRect);
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setPopoverState('toolbar');
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}
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} else {
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setPopoverState('hidden');
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}
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};
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useEffect(() => {
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const handleClickOutside = (e: MouseEvent) => {
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if (editorRef.current && !editorRef.current.contains(e.target as Node)) {
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if (popoverState === 'toolbar' || popoverState === 'input') {
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setPopoverState('hidden');
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window.getSelection()?.removeAllRanges();
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}
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}
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};
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document.addEventListener('mousedown', handleClickOutside);
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return () => document.removeEventListener('mousedown', handleClickOutside);
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}, [popoverState]);
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const simulateReasoning = () => {
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setReasoningStep(0);
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setTimeout(() => {
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setReasoningStep(1);
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setTimeout(() => {
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setPopoverState('result');
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}, 2500);
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}, 2000);
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};
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const handleAsk = () => {
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if (inputValue.trim()) {
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setQuery(inputValue);
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setPopoverState('reasoning');
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simulateReasoning();
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}
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};
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return (
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<div ref={containerRef} className="relative w-full max-w-3xl mx-auto p-12 min-h-[500px] flex items-center justify-center" onMouseUp={handleMouseUp}>
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{/* Editor Content Area */}
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<div className="font-matter text-[15px] leading-[1.8] text-[#888888] selection:bg-black/10 selection:text-black dark:selection:bg-white/20 dark:selection:text-white max-w-xl text-center">
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<p className="mb-6">
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The HTML comment is mostly gone from the web. Pages are lighter for it, and what went with it is everything a page was not: a paragraph thought better of, a layout that never shipped, a note left for whoever came next.
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</p>
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<p>
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Today, we rely on version control and sophisticated documentation to preserve context. But there was something magical about discovering hidden messages directly in the source code.
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</p>
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</div>
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{/* Floating Popover */}
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<AnimatePresence>
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{popoverState !== 'hidden' && selectionRect && (
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<motion.div
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ref={editorRef}
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initial={{ opacity: 0, y: 10, scale: 0.95 }}
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animate={{ opacity: 1, y: 0, scale: 1 }}
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exit={{ opacity: 0, y: 10, scale: 0.95, filter: 'blur(4px)' }}
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transition={{ type: "spring", stiffness: 400, damping: 25 }}
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className="absolute z-50 flex justify-center"
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style={{
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top: popoverState === 'toolbar' || popoverState === 'input'
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? selectionRect.top - 60
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: selectionRect.top - 20, // move closer down for the big card
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left: selectionRect.left + (selectionRect.width / 2),
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transform: 'translateX(-50%)' // Center perfectly over selection
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}}
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>
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{/* Morphing Container */}
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<motion.div
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layout
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className="bg-white/70 dark:bg-black/60 backdrop-blur-[16px] rounded-[24px] border border-black/5 dark:border-white/5 dark:border-t-white/10 shadow-[0_8px_32px_rgba(0,0,0,0.05)] dark:shadow-none overflow-hidden flex flex-col"
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>
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{/* STATE 1: Toolbar */}
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{popoverState === 'toolbar' && (
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<motion.div
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initial={{ opacity: 0 }} animate={{ opacity: 1 }} exit={{ opacity: 0 }}
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className="flex items-center gap-2 px-2 py-1.5"
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>
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<button onClick={() => setPopoverState('input')} className="flex items-center gap-2.5 px-3 py-1.5 rounded-full hover:bg-black/5 dark:hover:bg-white/5 transition-colors group">
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<AISphere />
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<span className="text-[13.5px] font-medium text-black/70 dark:text-white/90 group-hover:text-black dark:group-hover:text-white">Ask AI</span>
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</button>
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<div className="w-px h-5 bg-black/10 dark:bg-white/10 mx-1" />
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<div className="flex items-center gap-0.5">
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<FormatBtn icon={<Bold size={16} strokeWidth={2.5} />} />
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<FormatBtn icon={<Italic size={16} />} />
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<FormatBtn icon={<Underline size={16} />} />
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<FormatBtn icon={<Strikethrough size={16} />} />
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<FormatBtn icon={<Code size={16} />} />
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</div>
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</motion.div>
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)}
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{/* STATE 2: Input */}
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{popoverState === 'input' && (
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<motion.div
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initial={{ opacity: 0 }} animate={{ opacity: 1 }} exit={{ opacity: 0 }}
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className="flex items-center gap-3 px-3 py-2 w-[340px]"
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>
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<div className="pl-1"><AISphere /></div>
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<input
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autoFocus
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placeholder="Ask anything..."
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className="flex-1 bg-transparent border-none outline-none text-[14px] text-black dark:text-white placeholder-black/40 dark:placeholder-white/40 font-matter font-medium"
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value={inputValue}
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onChange={e => setInputValue(e.target.value)}
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onKeyDown={e => {
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if (e.key === 'Enter') handleAsk();
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}}
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/>
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<button
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onClick={handleAsk}
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className="w-7 h-7 flex items-center justify-center rounded-full bg-black dark:bg-white text-white dark:text-black hover:scale-105 active:scale-95 transition-transform flex-shrink-0"
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>
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<ArrowRight size={15} strokeWidth={3} />
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</button>
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</motion.div>
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)}
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{/* STATE 3: Reasoning */}
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{popoverState === 'reasoning' && (
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<motion.div
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initial={{ opacity: 0 }} animate={{ opacity: 1 }} exit={{ opacity: 0 }}
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className="flex flex-col w-[340px]"
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>
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<div className="flex items-center gap-3 px-4 py-3 bg-transparent">
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<AISphere />
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<span className="text-[14px] font-medium text-black dark:text-white truncate">{query}</span>
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</div>
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<div className="px-4 py-3 bg-black/5 dark:bg-[#161616]/80 border-t border-black/5 dark:border-white/5 relative overflow-hidden">
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{/* Subtle pulse background */}
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<motion.div
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className="absolute inset-0 bg-gradient-to-r from-blue-500/10 via-purple-500/10 to-transparent"
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animate={{ x: ['-100%', '100%'] }}
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transition={{ duration: 2, repeat: Infinity, ease: "linear" }}
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/>
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<div className="flex items-center gap-2.5 relative z-10">
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<Grip size={15} className="text-black/40 dark:text-white/40" />
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<AnimatePresence mode="wait">
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<motion.span
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key={reasoningStep}
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initial={{ opacity: 0, y: 4 }}
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animate={{ opacity: 1, y: 0 }}
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exit={{ opacity: 0, y: -4 }}
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className="text-[13.5px] font-medium text-black/70 dark:text-white/70"
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>
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{reasoningStep === 0 ? "Understanding the context..." : "Gathering sources..."}
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</motion.span>
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</AnimatePresence>
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</div>
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{/* Source Icons (appear on step 1) */}
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<AnimatePresence>
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{reasoningStep === 1 && (
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<motion.div
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initial={{ opacity: 0, height: 0, marginTop: 0 }}
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animate={{ opacity: 1, height: 'auto', marginTop: 12 }}
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className="flex items-center gap-[-4px] pl-6 relative z-10"
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>
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{/* Fake source bubbles */}
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<motion.div initial={{ scale: 0 }} animate={{ scale: 1 }} transition={{ delay: 0.1 }} className="w-6 h-6 rounded-full bg-white flex items-center justify-center border-2 border-white dark:border-[#161616] relative z-30 shadow-sm">
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<span className="text-[11px] font-serif font-bold text-black">W</span>
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</motion.div>
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<motion.div initial={{ scale: 0 }} animate={{ scale: 1 }} transition={{ delay: 0.2 }} className="w-6 h-6 rounded-full bg-[#FF4500] flex items-center justify-center border-2 border-white dark:border-[#161616] relative z-20 shadow-sm -ml-2">
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<MessageSquare size={10} className="text-white fill-white" />
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</motion.div>
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<motion.div initial={{ scale: 0 }} animate={{ scale: 1 }} transition={{ delay: 0.3 }} className="w-6 h-6 rounded-full bg-[#10A37F] flex items-center justify-center border-2 border-white dark:border-[#161616] relative z-10 shadow-sm -ml-2">
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<Sparkles size={10} className="text-white fill-white" />
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</motion.div>
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</motion.div>
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)}
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</AnimatePresence>
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</div>
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</motion.div>
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)}
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{/* STATE 4: Result */}
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{popoverState === 'result' && (
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<motion.div
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initial={{ opacity: 0 }} animate={{ opacity: 1 }}
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className="flex flex-col w-[380px]"
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>
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<div className="flex items-center gap-3 px-4 py-3 bg-transparent">
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<AISphere />
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<span className="text-[14px] font-medium text-black dark:text-white truncate">{query}</span>
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</div>
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<div className="px-5 py-4 bg-black/5 dark:bg-[#161616]/80 border-t border-black/5 dark:border-white/5">
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<UnblurText text="HTML comments were traditionally used to leave notes or disable code blocks during development. While still useful for temporary changes, modern version control (like Git) and comprehensive documentation systems have largely replaced the need for extensive inline commentary, keeping production pages leaner." />
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</div>
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<div className="px-4 py-2.5 bg-black/5 dark:bg-[#161616]/80 border-t border-black/5 dark:border-white/5 flex items-center justify-between">
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<div className="flex items-center gap-2">
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<button className="text-[11px] font-medium text-black/50 dark:text-white/50 hover:text-black dark:hover:text-white/90 transition-colors px-2 py-1 rounded hover:bg-black/5 dark:hover:bg-white/5">Replace</button>
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<button className="text-[11px] font-medium text-black/50 dark:text-white/50 hover:text-black dark:hover:text-white/90 transition-colors px-2 py-1 rounded hover:bg-black/5 dark:hover:bg-white/5">Insert below</button>
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</div>
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<button onClick={() => setPopoverState('hidden')} className="text-[11px] font-medium text-black/50 dark:text-white/50 hover:text-black dark:hover:text-white transition-colors">Dismiss</button>
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</div>
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</motion.div>
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)}
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</motion.div>
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</motion.div>
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)}
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</AnimatePresence>
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</div>
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);
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}
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