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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover">
<title>EMW 2026 - Code Guide</title>
<link rel="icon" href="favicon.svg" type="image/svg+xml">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Sen:wght@400;700;800&family=Manrope:wght@400;500;600;700&display=swap" rel="stylesheet">
<style>
:root {
--bg: #001329;
--bg-soft: #021b35;
--surface: rgba(0, 32, 64, 0.9);
--surface-strong: #0a2a4a;
--surface-muted: rgba(10, 42, 74, 0.72);
--text: #fff7eb;
--text-muted: rgba(255, 247, 235, 0.72);
--text-dim: rgba(255, 247, 235, 0.5);
--border: rgba(255, 247, 235, 0.1);
--border-strong: rgba(7, 168, 168, 0.28);
--teal: #07a8a8;
--teal-soft: rgba(7, 168, 168, 0.12);
--orange: #c8531d;
--orange-soft: rgba(200, 83, 29, 0.14);
--lime: #afcd53;
--lime-soft: rgba(175, 205, 83, 0.14);
--shadow: 0 24px 50px rgba(0, 0, 0, 0.2);
--radius: 20px;
--radius-sm: 12px;
--font-display: 'Sen', sans-serif;
--font-body: 'Manrope', sans-serif;
}
* {
box-sizing: border-box;
margin: 0;
padding: 0;
-webkit-tap-highlight-color: transparent;
}
html {
scroll-behavior: smooth;
}
body {
min-height: 100dvh;
font-family: var(--font-body);
color: var(--text);
background:
radial-gradient(circle at top left, rgba(7, 168, 168, 0.2), transparent 32%),
radial-gradient(circle at top right, rgba(175, 205, 83, 0.12), transparent 28%),
linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
overflow-x: hidden;
}
a {
color: inherit;
}
.topbar {
position: sticky;
top: 0;
z-index: 100;
display: flex;
align-items: center;
justify-content: space-between;
gap: 0.75rem;
flex-wrap: wrap;
padding: calc(env(safe-area-inset-top, 0px) + 0.9rem) 1rem 0.9rem;
backdrop-filter: blur(18px);
-webkit-backdrop-filter: blur(18px);
background: rgba(0, 19, 41, 0.76);
border-bottom: 1px solid var(--border);
}
.topbar-group {
display: flex;
align-items: center;
gap: 0.6rem;
flex-wrap: wrap;
}
.topbar-link {
display: inline-flex;
align-items: center;
justify-content: center;
min-height: 42px;
padding: 0.72rem 0.95rem;
border-radius: 999px;
background: rgba(255, 247, 235, 0.05);
border: 1px solid var(--border);
text-decoration: none;
font-size: 0.78rem;
font-weight: 700;
color: var(--text-muted);
}
.topbar-link.primary {
background: var(--teal);
color: var(--bg);
border-color: transparent;
}
.page {
width: min(100%, 1040px);
margin: 0 auto;
padding: 1rem 1rem calc(4rem + env(safe-area-inset-bottom, 0px));
}
.panel {
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--radius);
box-shadow: var(--shadow);
padding: 1.15rem;
margin-bottom: 1rem;
}
.eyebrow {
display: inline-flex;
align-items: center;
gap: 0.4rem;
font-size: 0.7rem;
font-weight: 800;
letter-spacing: 0.08em;
text-transform: uppercase;
color: var(--lime);
font-family: var(--font-display);
margin-bottom: 0.65rem;
}
.hero {
position: relative;
overflow: hidden;
padding: 1.35rem;
background:
linear-gradient(135deg, rgba(7, 168, 168, 0.18), rgba(0, 53, 113, 0.4)),
var(--surface);
}
.hero::after {
content: "";
position: absolute;
inset: auto -10% -28% auto;
width: 240px;
height: 240px;
border-radius: 50%;
background: radial-gradient(circle, rgba(175, 205, 83, 0.18), transparent 70%);
pointer-events: none;
}
.hero h1,
.panel h2 {
font-family: var(--font-display);
letter-spacing: -0.03em;
line-height: 1.02;
color: var(--text);
}
.hero h1 {
font-size: clamp(2.1rem, 8vw, 4.2rem);
max-width: 10ch;
margin-bottom: 0.85rem;
}
.hero-copy,
.panel-copy {
font-size: 0.96rem;
line-height: 1.72;
color: var(--text-muted);
max-width: 68ch;
}
.hero-actions,
.footer-actions {
display: flex;
flex-wrap: wrap;
gap: 0.65rem;
margin-top: 1rem;
}
.action-link {
display: inline-flex;
align-items: center;
justify-content: center;
min-height: 46px;
padding: 0.78rem 1rem;
border-radius: 999px;
text-decoration: none;
font-size: 0.83rem;
font-weight: 700;
letter-spacing: 0.01em;
}
.action-link.primary {
background: var(--teal);
color: var(--bg);
}
.action-link.secondary {
background: rgba(255, 247, 235, 0.06);
border: 1px solid var(--border);
color: var(--text-muted);
}
.hero-stats {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 0.7rem;
margin-top: 1.15rem;
}
.stat-card {
padding: 0.85rem;
border-radius: 16px;
border: 1px solid rgba(255, 247, 235, 0.08);
background: rgba(0, 19, 41, 0.28);
}
.stat-value {
display: block;
font-family: var(--font-display);
font-size: 1.3rem;
font-weight: 800;
margin-bottom: 0.2rem;
}
.stat-label {
display: block;
font-size: 0.76rem;
line-height: 1.5;
color: var(--text-muted);
}
.intent-panel,
.audience-panel {
position: relative;
z-index: 1;
margin-top: 1rem;
padding: 1rem;
border-radius: 18px;
background: rgba(0, 19, 41, 0.32);
border: 1px solid rgba(255, 247, 235, 0.08);
}
.intent-title,
.audience-title {
font-family: var(--font-display);
font-size: 0.98rem;
margin-bottom: 0.35rem;
color: var(--text);
}
.intent-copy,
.audience-copy {
font-size: 0.82rem;
line-height: 1.66;
color: var(--text-muted);
}
.intent-toggle,
.audience-toggle {
display: flex;
flex-wrap: wrap;
gap: 0.55rem;
margin-top: 0.8rem;
}
.intent-btn,
.mode-btn {
display: inline-flex;
align-items: center;
justify-content: center;
min-height: 42px;
padding: 0.7rem 0.95rem;
border-radius: 999px;
border: 1px solid var(--border);
background: rgba(255, 247, 235, 0.05);
color: var(--text-muted);
font-size: 0.78rem;
font-weight: 700;
font-family: var(--font-body);
cursor: pointer;
transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.intent-btn.active,
.mode-btn.active {
background: var(--teal);
color: var(--bg);
border-color: transparent;
}
.intent-note,
.mode-note {
margin-top: 0.65rem;
font-size: 0.74rem;
line-height: 1.55;
color: var(--text-dim);
}
.chip-nav {
display: flex;
gap: 0.55rem;
overflow-x: auto;
padding: 0.2rem;
scrollbar-width: none;
background: transparent;
border: none;
box-shadow: none;
margin-bottom: 1rem;
}
.chip-nav::-webkit-scrollbar {
display: none;
}
.chip {
flex: 0 0 auto;
display: inline-flex;
align-items: center;
justify-content: center;
min-height: 40px;
padding: 0.66rem 0.9rem;
border-radius: 999px;
background: rgba(255, 247, 235, 0.05);
border: 1px solid var(--border);
color: var(--text-muted);
text-decoration: none;
font-size: 0.76rem;
font-weight: 700;
}
.panel h2 {
font-size: clamp(1.45rem, 5.5vw, 2.3rem);
margin-bottom: 0.6rem;
}
.section-stack > * + * {
margin-top: 0.85rem;
}
.flow-grid,
.map-grid,
.feature-grid,
.scratch-grid,
.experiment-grid {
display: grid;
gap: 0.8rem;
margin-top: 1rem;
}
.flow-grid,
.feature-grid,
.scratch-grid,
.experiment-grid {
grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.map-grid {
grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.info-card,
.experiment-card,
.faq-card {
border-radius: 18px;
border: 1px solid var(--border);
background: var(--surface-muted);
padding: 1rem;
}
.info-card h3,
.experiment-card h3,
.faq-card h3 {
font-family: var(--font-display);
font-size: 1rem;
line-height: 1.15;
margin-bottom: 0.42rem;
color: var(--text);
}
.info-card p,
.experiment-card p,
.faq-copy,
.list-text {
font-size: 0.84rem;
line-height: 1.68;
color: var(--text-muted);
}
.step-badge {
display: inline-flex;
align-items: center;
justify-content: center;
width: 2rem;
height: 2rem;
border-radius: 50%;
background: var(--teal);
color: var(--bg);
font-family: var(--font-display);
font-weight: 800;
margin-bottom: 0.75rem;
}
.callout {
margin-top: 1rem;
padding: 0.95rem 1rem;
border-radius: 16px;
background: var(--lime-soft);
border: 1px solid rgba(175, 205, 83, 0.2);
color: var(--text);
}
.callout strong {
color: var(--lime);
}
.intent-only {
display: none;
}
.mode-extra {
display: none;
margin-top: 0.7rem;
padding: 0.78rem 0.85rem;
border-radius: 14px;
background: rgba(7, 168, 168, 0.08);
border: 1px solid rgba(7, 168, 168, 0.2);
font-size: 0.78rem;
line-height: 1.62;
color: var(--text-muted);
}
body[data-intent="viewing"] .audience-panel,
body[data-intent="viewing"] .mode-extra,
body[data-intent="viewing"] .mode-only {
display: none;
}
body[data-intent="viewing"] .intent-only[data-intent="viewing"],
body[data-intent="tinkering"] .intent-only[data-intent="tinkering"] {
display: block;
}
body[data-intent="viewing"] .chip.intent-only[data-intent="viewing"],
body[data-intent="viewing"] .action-link.intent-only[data-intent="viewing"],
body[data-intent="tinkering"] .chip.intent-only[data-intent="tinkering"],
body[data-intent="tinkering"] .action-link.intent-only[data-intent="tinkering"] {
display: inline-flex;
}
body[data-intent="tinkering"][data-mode="coder"] .mode-extra {
display: block;
}
body[data-intent="tinkering"][data-mode="beginner"] .mode-only[data-audience="coder"] {
display: none;
}
.search-list,
.plain-list {
display: grid;
gap: 0.55rem;
margin-top: 1rem;
}
.search-token {
display: inline-flex;
align-items: center;
width: fit-content;
max-width: 100%;
padding: 0.62rem 0.8rem;
border-radius: 12px;
background: rgba(0, 19, 41, 0.35);
border: 1px solid var(--border);
font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
font-size: 0.76rem;
color: #d8fff7;
overflow-wrap: anywhere;
}
.code-grid {
display: grid;
gap: 0.9rem;
margin-top: 1rem;
}
.code-card {
border-radius: 18px;
border: 1px solid var(--border);
background: rgba(0, 19, 41, 0.45);
overflow: hidden;
}
.code-card-header {
padding: 0.8rem 1rem;
border-bottom: 1px solid var(--border);
background: rgba(255, 247, 235, 0.04);
}
.code-card-header h3 {
font-family: var(--font-display);
font-size: 0.98rem;
margin-bottom: 0.22rem;
}
.code-card-header p {
font-size: 0.78rem;
line-height: 1.55;
color: var(--text-muted);
}
pre {
overflow-x: auto;
padding: 1rem;
font-size: 0.78rem;
line-height: 1.65;
color: #f6f0e4;
font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}
code {
font-family: inherit;
}
.inline-code {
display: inline;
padding: 0.15rem 0.35rem;
border-radius: 6px;
background: rgba(255, 247, 235, 0.07);
border: 1px solid rgba(255, 247, 235, 0.08);
font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
font-size: 0.9em;
}
.comparison {
display: grid;
gap: 0.65rem;
margin-top: 1rem;
}
.comparison-row {
display: grid;
gap: 0.55rem;
padding: 0.85rem;
border-radius: 16px;
background: rgba(255, 247, 235, 0.04);
border: 1px solid var(--border);
}
.comparison-label {
font-size: 0.7rem;
font-weight: 800;
letter-spacing: 0.08em;
text-transform: uppercase;
color: var(--teal);
font-family: var(--font-display);
}
.comparison-value {
font-size: 0.84rem;
line-height: 1.65;
color: var(--text-muted);
}
.concept-link {
display: inline-flex;
align-items: center;
gap: 0.25rem;
padding: 0.22rem 0.58rem;
border-radius: 999px;
background: var(--teal-soft);
border: 1px solid rgba(7, 168, 168, 0.18);
color: var(--teal);
text-decoration: none;
font-size: 0.72rem;
font-weight: 700;
white-space: nowrap;
transition: background 0.15s;
}
.concept-link:hover,
.concept-link:active {
background: rgba(7, 168, 168, 0.22);
}
.concept-links {
display: flex;
flex-wrap: wrap;
gap: 0.45rem;
margin-top: 0.7rem;
}
.mini-label {
display: block;
font-size: 0.68rem;
font-weight: 800;
letter-spacing: 0.08em;
text-transform: uppercase;
color: var(--orange);
margin-bottom: 0.35rem;
font-family: var(--font-display);
}
.experiment-card .plain-list {
margin-top: 0.6rem;
}
details {
border-radius: 16px;
border: 1px solid var(--border);
background: rgba(255, 247, 235, 0.04);
padding: 0.95rem 1rem;
}
details + details {
margin-top: 0.75rem;
}
summary {
cursor: pointer;
list-style: none;
font-family: var(--font-display);
font-size: 0.98rem;
color: var(--text);
}
summary::-webkit-details-marker {
display: none;
}
.faq-copy {
margin-top: 0.7rem;
}
.footer-note {
font-size: 0.84rem;
line-height: 1.7;
color: var(--text-muted);
}
@media (min-width: 760px) {
.page {
padding-top: 1.4rem;
}
.panel {
padding: 1.4rem;
}
.hero {
padding: 1.65rem;
}
.hero-stats {
grid-template-columns: repeat(4, minmax(0, 1fr));
}
.code-grid {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
.comparison {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
}
</style>
</head>
<body data-intent="viewing" data-mode="beginner">
<header class="topbar">
<div class="topbar-group">
<a class="topbar-link primary" href="index.html">Back to the live app</a>
</div>
<a class="topbar-link" href="https://emwhawaii.com/2026" target="_blank" rel="noopener">Official EMW site</a>
</header>
<main class="page">
<section class="panel hero">
<p class="eyebrow">Start Here</p>
<h1>If you can scroll Instagram or YouTube, you already get part of this site</h1>
<p class="hero-copy">
This page can do two jobs. If you are at the conference just exploring, it can explain what you are looking at in plain language.
If you want to open the file later and poke at it, it can also guide you through safe beginner edits.
</p>
<div class="hero-actions">
<a class="action-link primary" href="#start-here">See the simple version</a>
<a class="action-link secondary intent-only" data-intent="viewing" href="#observe">What to notice</a>
<a class="action-link secondary intent-only" data-intent="tinkering" href="https://github.com/lpcode808/EMW2026/blob/main/README.md" target="_blank" rel="noopener">Open the repo README</a>
</div>
<div class="hero-stats" aria-label="App facts">
<div class="stat-card">
<span class="stat-value">1 file</span>
<span class="stat-label">The whole app lives in a single HTML file — styles, behavior, and data included</span>
</div>
<div class="stat-card">
<span class="stat-value">3 tabs</span>
<span class="stat-label">Schedule, Speakers, and Notes — like sections of any app you already use</span>
</div>
<div class="stat-card">
<span class="stat-value">4 jobs</span>
<span class="stat-label">Store info, draw the page, react to taps, and remember notes — that's the whole engine</span>
</div>
<div class="stat-card">
<span class="stat-value">0 setup</span>
<span class="stat-label">No accounts, no installs, works offline at the venue once loaded</span>
</div>
</div>
<div class="intent-panel" aria-label="Choose how you want to use this guide">
<div class="intent-title">How are you using this page?</div>
<p class="intent-copy">
Most conference visitors will want the explainer path. Switch to tinkering only if you want the guide to talk more like a build-along and point you toward safe edits.
</p>
<div class="intent-toggle" role="group" aria-label="Guide intent">
<button class="intent-btn active" type="button" data-intent="viewing" aria-pressed="true">Exploring the site</button>
<button class="intent-btn" type="button" data-intent="tinkering" aria-pressed="false">Trying the code</button>
</div>
<p class="intent-note">The default is the conference-friendly explainer view. Tinkering mode unlocks edit ideas and the coding-depth switch below.</p>
</div>
<div class="audience-panel" aria-label="Choose your guide mode">
<div class="audience-title">How much coding language should this use?</div>
<p class="audience-copy">
Since you chose the tinkering path, you can decide how much coding vocabulary you want. The default still keeps things plain and beginner-friendly.
</p>
<div class="audience-toggle" role="group" aria-label="Audience mode">
<button class="mode-btn active" type="button" data-mode="beginner" aria-pressed="true">New to coding</button>
<button class="mode-btn" type="button" data-mode="coder" aria-pressed="false">Done a little coding</button>
</div>
<p class="mode-note">This second switch only changes the amount of technical language. It does not change the overall structure of the guide.</p>
</div>
</section>
<nav class="chip-nav" aria-label="Section links">
<a class="chip" href="#start-here">Feels familiar</a>
<a class="chip" href="#learning-loop">How to explore</a>
<a class="chip intent-only" data-intent="viewing" href="#observe">What to notice</a>
<a class="chip" href="#mental-model">Big idea</a>
<a class="chip" href="#map">Main files</a>
<a class="chip" href="#html">Page outline</a>
<a class="chip" href="#css">Look and feel</a>
<a class="chip" href="#js">What happens on tap</a>
<a class="chip" href="#storage">Saved notes</a>
<a class="chip" href="#offline">Offline</a>
<a class="chip mode-only intent-only" data-audience="coder" data-intent="tinkering" href="#scratch">If you've coded</a>
<a class="chip intent-only" data-intent="tinkering" href="#experiments">Experiments</a>
<a class="chip" href="#questions">Questions</a>
</nav>
<section class="panel section-stack" id="start-here">
<p class="eyebrow">Familiar First</p>
<h2>This site behaves like other apps you already know</h2>
<p class="panel-copy">
When you open Instagram, YouTube, or TikTok, you already know what to do: scroll, look for something interesting, tap it,
and open more detail. This conference site uses the same habits. It just swaps videos and posts for sessions, speakers, and notes.
</p>
<div class="flow-grid">
<article class="info-card">
<div class="step-badge">1</div>
<h3>Scroll a list</h3>
<p>The schedule is a stack of cards, like a feed. Each card is one session instead of one video or post.</p>
</article>
<article class="info-card">
<div class="step-badge">2</div>
<h3>Tap for more</h3>
<p>Tapping a session opens extra details, the same way apps often open more information when you press into something.</p>
</article>
<article class="info-card">
<div class="step-badge">3</div>
<h3>Switch views</h3>
<p>The tabs at the top work like jumping between sections of an app: schedule, people, and your own notes.</p>
</article>
<article class="info-card">
<div class="step-badge">4</div>
<h3>Keep your place</h3>
<p>When you write a note, the browser remembers it on that same device so it is still there after a refresh.</p>
</article>
</div>
</section>
<section class="panel section-stack" id="learning-loop">
<p class="eyebrow">How To Explore</p>
<h2>Look, guess, change one thing, then check again</h2>
<p class="panel-copy">
You do not need to understand every line all at once. A better approach is to explore the page the same way you would explore a new app:
notice a pattern, make a guess, try a small change, and see what happened.
</p>
<div class="flow-grid">
<article class="info-card">
<div class="step-badge">1</div>
<h3>Notice a clue</h3>
<p>Pick something simple first: a tab name, a button label, a color, or a heading you can already see on the page.</p>
</article>
<article class="info-card">
<div class="step-badge">2</div>
<h3>Search for it</h3>
<p>Use find-in-page to look for the same word in the file so you can see where that part of the page comes from.</p>
<div class="mode-extra">If you already know a little coding, good search words here include <span class="inline-code">renderSchedule</span>, <span class="inline-code">activateTab</span>, and <span class="inline-code">saveNote</span>.</div>
</article>
<article class="info-card">
<div class="step-badge">3</div>
<h3>Make one guess</h3>
<p class="intent-only" data-intent="viewing">Guess why that part of the page exists or what job it is doing for the attendee.</p>
<p class="intent-only" data-intent="tinkering">Edit one small thing at a time so you can tell exactly which change caused the result you see.</p>
</article>
<article class="info-card">
<div class="step-badge">4</div>
<h3>Check yourself</h3>
<p class="intent-only" data-intent="viewing">Open the live app again and see whether you can spot the same pattern somewhere else on the page.</p>
<p class="intent-only" data-intent="tinkering">Reload the page, notice what changed, and try to explain it back in your own words before moving on.</p>
</article>
</div>
<div class="callout intent-only" data-intent="viewing">
<strong>Tip:</strong> even without editing, noticing repeated patterns and guessing why they were chosen is already real builder thinking.
</div>
<div class="callout intent-only" data-intent="tinkering">
<strong>Tip:</strong> the best beginner edits are usually visible ones like text, color, spacing, and button labels because the cause and effect are easy to spot.
</div>
</section>
<section class="panel section-stack intent-only" data-intent="viewing" id="observe">
<p class="eyebrow">While You're Browsing</p>
<h2>What to notice if you are not editing anything</h2>
<p class="panel-copy">
Even without changing the code, you can still read the app like a builder. The trick is to notice the repeated patterns and ask what job each part is doing.
</p>
<div class="flow-grid">
<article class="info-card">
<div class="step-badge">1</div>
<h3>The feed feeling</h3>
<p>The schedule works like a feed. It repeats one card pattern over and over, which makes the page easier to scan quickly.</p>
</article>
<article class="info-card">
<div class="step-badge">2</div>
<h3>The remote at the top</h3>
<p>The tab bar acts like a remote control. It changes your view without sending you to a totally different website.</p>
</article>
<article class="info-card">
<div class="step-badge">3</div>
<h3>The browser's memory shelf</h3>
<p>Your notes feel personal because the browser keeps them on this same device, a bit like a draft that stays in your own notebook.</p>
</article>
<article class="info-card">
<div class="step-badge">4</div>
<h3>The conference shortcut layer</h3>
<p>Buttons, chips, and jump links shorten the path to what you need, which matters when people are standing in hallways between sessions.</p>
</article>
</div>
<div class="callout">
<strong>Good conference question:</strong> if you had to explain one part of the app to a friend in ten seconds, which part feels easiest to understand and why?
</div>
</section>
<section class="panel section-stack" id="mental-model">
<p class="eyebrow">Big Idea</p>
<h2>The site runs on four simple jobs</h2>
<p class="panel-copy">
Under the hood, the site is doing four jobs over and over: keep the conference information somewhere, show it on screen,
react when someone taps something, and remember notes on the same device.
</p>
<div class="flow-grid">
<article class="info-card">
<div class="step-badge">1</div>
<h3>Keep the information</h3>
<p>The conference sessions and speaker details are written down in the file so the page can use them later.</p>
<div class="mode-extra">In coding terms, those lists live in JavaScript arrays called <span class="inline-code">SCHEDULE</span> and <span class="inline-code">SPEAKERS</span>.</div>
</article>
<article class="info-card">
<div class="step-badge">2</div>
<h3>Draw the page</h3>
<p>The site takes that written-down information and turns it into the cards and sections you can actually see.</p>
<div class="mode-extra">That step is often called rendering. In this project, helpers like <span class="inline-code">renderSchedule()</span> do that work.</div>
</article>
<article class="info-card">
<div class="step-badge">3</div>
<h3>React to taps</h3>
<p>When someone taps a tab, opens a session, or saves a note, the page notices and updates what is on screen.</p>
<div class="mode-extra">The coding phrase for this is event handling. The page listens for clicks, then runs a function.</div>
</article>
<article class="info-card">
<div class="step-badge">4</div>
<h3>Remember notes</h3>
<p>The browser keeps your notes on that same phone or computer, so they are still there after a refresh.</p>
<div class="mode-extra">This project uses <span class="inline-code">localStorage</span>, which is the browser's built-in little storage shelf.</div>
</article>
</div>
<div class="concept-links">
<a class="concept-link" href="https://g.ai/?q=how+does+a+web+page+render+content+from+data+simple+explanation" target="_blank" rel="noopener">Rendering from data ↗</a>
<a class="concept-link" href="https://g.ai/?q=what+is+client+side+storage+in+web+browsers" target="_blank" rel="noopener">Client-side storage ↗</a>
</div>
</section>
<section class="panel section-stack" id="map">
<p class="eyebrow">Main Files</p>
<h2>What matters most in this repo</h2>
<p class="panel-copy">
This project is small on purpose. That makes it easier to teach from, easier to edit quickly, and less overwhelming for first-time readers.
</p>
<div class="map-grid">
<article class="info-card">
<h3><span class="inline-code">index.html</span></h3>
<p>This is the live conference app. Most of the action is here: the page pieces, the visual styling, the tap behavior, and the conference information.</p>
<div class="search-list mode-extra">
<span class="search-token">const SCHEDULE = [</span>
<span class="search-token">function renderSchedule()</span>
<span class="search-token">function renderSpeakers(filter = '')</span>
<span class="search-token">function saveNote(type, entityId, text)</span>
<span class="search-token">renderSchedule();</span>
</div>
</article>
<article class="info-card">
<h3><span class="inline-code">code-guide.html</span></h3>
<p>This is the explainer page you are reading now. It is separate so curious learners can explore without getting in the way of the live conference view.</p>
<div class="plain-list">
<p class="list-text">Uses the same visual language as the app.</p>
<p class="list-text">Optimized for mobile reading and quick scrolling.</p>
<p class="list-text">Explains the real site instead of a fake teaching example.</p>
</div>
</article>
<article class="info-card">
<h3><span class="inline-code">sw.js</span></h3>
<p>A small service worker file that saves the app to your browser so it works offline at the conference venue, even without WiFi.</p>
</article>
<article class="info-card">
<h3>Docs</h3>
<p><span class="inline-code">README.md</span> tells the full story of how the project was built, and <span class="inline-code">CLAUDE.md</span> is extra guidance for future coding helpers.</p>
</article>
</div>
</section>
<section class="panel section-stack" id="html">
<p class="eyebrow">1. Page Outline</p>
<h2>HTML is the page outline</h2>
<p class="panel-copy">
HTML is the part that names the big pieces of the page: the top bar, the main area, the tabs, the pop-up, and the little status message.
It helps the browser know what belongs where.
</p>
<div class="callout intent-only" data-intent="viewing">
<strong>Analogy:</strong> HTML is like the labeled rooms and signs on a venue map. It tells you what each part of the place is supposed to be.
</div>
<div class="mode-extra">
If you already know a little coding, HTML is the structure layer. Tags such as <span class="inline-code"><header></span>,
<span class="inline-code"><main></span>, and <span class="inline-code"><section></span> are often called semantic HTML.
</div>
<div class="code-grid">
<article class="code-card">
<div class="code-card-header">
<h3>The main page shape</h3>
<p>This is a shortened version of the real layout in <span class="inline-code">index.html</span>.</p>
</div>
<pre><code><header class="app-header">...</header>
<main>
<section id="scheduleTab" class="tab-content active"></section>
<section id="speakersTab" class="tab-content"></section>
<section id="notesTab" class="tab-content">
<div id="notesComposer"></div>
</section>
</main>
<div class="modal-overlay hidden" id="exportModal">...</div>
<div class="toast" id="toast"></div></code></pre>
</article>
<article class="info-card">
<h3>Why it matters</h3>
<p>These named pieces give the rest of the page something to work with later.</p>
<div class="plain-list">
<p class="list-text">The header stays visible while you scroll.</p>
<p class="list-text">The tabs point to different sections of the page.</p>
<p class="list-text">The pop-up and little message bubble already exist, so the page can simply show or hide them.</p>
</div>
<div class="mode-extra">In coder language, JavaScript later looks up these spots by ID or class name and updates them.</div>
</article>
</div>
</section>
<section class="panel section-stack" id="css">
<p class="eyebrow">2. Look And Feel</p>
<h2>CSS controls the look and feel</h2>
<p class="panel-copy">
CSS decides how the site looks and feels. It picks the colors, spacing, fonts, button sizes, and the smooth open-close motion that makes the page feel polished on a phone.
</p>
<div class="callout intent-only" data-intent="viewing">
<strong>Analogy:</strong> CSS is the paint, lighting, spacing, and signage system. The building is the same building, but it feels very different depending on these choices.
</div>
<div class="code-grid">
<article class="code-card">
<div class="code-card-header">
<h3>Shared color names</h3>
<p>The page gives important colors names so they can be reused in many places.</p>
</div>
<pre><code>:root {
--bg: #001329;
--surface: #002040;
--teal: #07a8a8;
--orange: #c8531d;
--lime: #afcd53;
--text: #fff7eb;
--font-display: 'Sen', sans-serif;
}</code></pre>