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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta content="width=device-width, initial-scale=1.0" name="viewport" />
<title>String Matching Visualiser (KMP)</title>
<link href="https://fonts.googleapis.com" rel="preconnect" />
<link crossorigin="" href="https://fonts.gstatic.com" rel="preconnect" />
<link
href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap"
rel="stylesheet"
/>
<link
href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap"
rel="stylesheet"
/>
<script src="https://cdn.tailwindcss.com?plugins=forms,container-queries"></script>
<link rel="stylesheet" href="../shared.css" />
<link rel="stylesheet" href="style.css" />
<script>
tailwind.config = {
theme: {
extend: {
fontFamily: {
sans: ["Inter", "sans-serif"],
},
colors: {
primary: "#3b82f6", // Blue 500
"primary-hover": "#2563eb", // Blue 600
secondary: "#8b5cf6", // Violet 500
success: "#22c55e",
warning: "#eab308",
danger: "#ef4444",
surface: "#ffffff",
background: "#f8fafc",
},
boxShadow: {
glass: "0 8px 32px 0 rgba(31, 38, 135, 0.07)",
card: "0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06)",
},
},
},
};
</script>
</head>
<body
class="bg-background text-slate-800 font-sans min-h-screen flex flex-col"
>
<nav class="app-nav">
<div class="nav-inner">
<a class="brand" href="../index.html">DS Visualisers</a>
<div class="links">
<a class="link" href="../Sorting Visualiser/index.html">Sorting</a>
<a class="link" href="../Stack Visualiser/index.html">Stack</a>
<a class="link" href="../Queue Visualiser/index.html">Queue</a>
<a class="link" href="../Trie Visualiser/index.html">Trie</a>
</div>
</div>
</nav>
<!-- Header -->
<header
class="bg-surface/80 backdrop-blur-md border-b border-slate-200 sticky top-0 z-10"
>
<div
class="max-w-5xl mx-auto px-4 py-4 flex items-center justify-between"
>
<div class="flex items-center gap-3">
<div class="p-2 bg-primary/10 rounded-lg text-primary">
<span class="material-symbols-outlined">find_in_page</span>
</div>
<h1 class="text-xl font-bold tracking-tight text-slate-900">
String Matching (KMP)
</h1>
</div>
<a
href="../index.html"
class="text-sm font-medium text-slate-500 hover:text-slate-800 transition-colors flex items-center gap-1"
>
<span class="material-symbols-outlined text-[18px]">arrow_back</span>
Back
</a>
</div>
</header>
<main
class="flex-1 max-w-5xl mx-auto w-full p-4 md:p-8 grid md:grid-cols-[300px_1fr] gap-8"
>
<!-- Controls -->
<div class="flex flex-col gap-6">
<div
class="bg-surface p-6 rounded-2xl shadow-card border border-slate-100"
>
<h2 class="text-lg font-semibold mb-4 flex items-center gap-2">
<span class="material-symbols-outlined text-slate-400">tune</span>
Inputs
</h2>
<div class="flex flex-col gap-4">
<div class="space-y-2">
<label class="text-xs font-semibold text-slate-500 uppercase">Text (Haystack)</label>
<input
type="text"
id="text-input"
placeholder="e.g. ABABDABACDABABCABAB"
class="w-full rounded-lg border-slate-200 focus:border-primary focus:ring-primary/20 text-sm"
value="ABABDABACDABABCABAB"
/>
</div>
<div class="space-y-2 pt-2 border-t border-slate-100">
<label class="text-xs font-semibold text-slate-500 uppercase">Pattern (Needle)</label>
<input
type="text"
id="pattern-input"
placeholder="e.g. ABABCABAB"
class="w-full rounded-lg border-slate-200 focus:border-secondary focus:ring-secondary/20 text-sm"
value="ABABCABAB"
/>
</div>
<button
id="run-btn"
class="w-full bg-primary hover:bg-primary-hover text-white px-4 py-2 rounded-lg font-medium transition-colors flex items-center justify-center gap-2 mt-2"
>
<span class="material-symbols-outlined text-[20px]">play_arrow</span>
Search
</button>
</div>
</div>
<!-- Info -->
<div
class="bg-surface p-6 rounded-2xl shadow-card border border-slate-100 flex-1"
>
<h2 class="text-lg font-semibold mb-4 flex items-center gap-2">
<span class="material-symbols-outlined text-slate-400">info</span>
Status
</h2>
<div class="space-y-4">
<div class="p-3 bg-slate-50 rounded-lg min-h-[60px]">
<span
class="text-slate-500 text-xs font-bold uppercase tracking-wider block mb-1"
>Log</span
>
<p id="message-box" class="text-sm text-slate-600 leading-snug">
Ready. KMP Algorithm uses LPS array to skip comparisons.
</p>
</div>
<div id="lps-container" class="flex flex-wrap gap-1">
<!-- LPS Table -->
</div>
</div>
</div>
</div>
<!-- Visualization Area -->
<div
class="bg-surface rounded-2xl shadow-card border border-slate-100 p-8 flex flex-col relative overflow-hidden h-[400px]"
>
<div
class="absolute inset-0 bg-[radial-gradient(#e5e7eb_1px,transparent_1px)] [background-size:16px_16px] opacity-40 pointer-events-none"
></div>
<div class="flex items-center justify-between mb-8 relative z-10">
<h2 class="text-lg font-semibold flex items-center gap-2">
<span class="material-symbols-outlined text-slate-400">compare_arrows</span>
Search Visualization
</h2>
</div>
<div class="relative z-10 space-y-8 flex-1 flex flex-col justify-center">
<!-- Text Row -->
<div class="flex flex-col gap-1">
<span class="text-xs font-bold text-slate-400 uppercase ml-1">Text</span>
<div id="text-container" class="flex flex-wrap gap-1 font-mono"></div>
</div>
<!-- Pattern Row (Moves) -->
<div class="flex flex-col gap-1 relative">
<span class="text-xs font-bold text-slate-400 uppercase ml-1">Pattern</span>
<div id="pattern-container" class="flex gap-1 font-mono transition-transform duration-300"></div>
</div>
</div>
</div>
</main>
<script src="script.js"></script>
</body>
</html>