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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">
<title>Kitchen Sink — BD Economics Design System</title>
<link rel="stylesheet" href="style.css">
<style>
/* Kitchen sink page-specific: labels and section dividers */
.ks-section { padding: var(--space-7) 0 var(--space-4); border-bottom: 3px solid var(--color-border-light); }
.ks-section:first-of-type { padding-top: var(--space-5); }
.ks-label {
font-family: var(--font-mono); font-size: 11px; font-weight: 700;
text-transform: uppercase; letter-spacing: 0.1em;
color: var(--color-text-muted); background: var(--color-bg-highlight);
padding: 2px var(--space-2); display: inline-block; margin-bottom: var(--space-3);
}
.ks-row { display: flex; gap: var(--space-4); flex-wrap: wrap; align-items: flex-start; margin-bottom: var(--space-5); }
.ks-col { flex: 1; min-width: 250px; }
.ks-swatch { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-2); }
.ks-swatch-box { width: 40px; height: 40px; border: 1px solid var(--color-border-light); flex-shrink: 0; }
.ks-swatch-label { font-size: var(--text-xs); color: var(--color-text-muted); }
.ks-spacer { margin-bottom: var(--space-5); }
.ks-grid-demo { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: var(--space-2); margin-bottom: var(--space-4); }
.ks-grid-demo > div { background: var(--color-bg-highlight); padding: var(--space-3); text-align: center; font-size: var(--text-xs); color: var(--color-text-muted); border: 1px solid var(--color-border-light); }
.ks-toc { columns: 3; column-gap: var(--space-5); }
.ks-toc a { display: block; font-size: var(--text-sm); padding: var(--space-1) 0; }
@media (max-width: 760px) { .ks-toc { columns: 1; } .ks-row { flex-direction: column; } }
</style>
<script>
/* Theme toggle */
const t = localStorage.getItem('theme') || (matchMedia('(prefers-color-scheme:dark)').matches ? 'dark' : 'light');
document.documentElement.setAttribute('data-theme', t);
</script>
</head>
<body class="page-kitchen-sink">
<header>
<nav aria-label="Main navigation">
<ul class="site-nav" id="topnav">
<li><a href="index.html"><svg class="brand-logo" viewBox="0 0 200 18" xmlns="http://www.w3.org/2000/svg" fill="currentColor" aria-label="BD Economics home"><rect x="0" y="0" width="4" height="4"/><rect x="0" y="5" width="4" height="4"/><rect x="0" y="10" width="4" height="4"/><rect x="5" y="0" width="4" height="4"/><rect x="5" y="10" width="4" height="4"/><rect x="10" y="5" width="4" height="4"/></svg></a></li>
<li><button class="theme-toggle" onclick="const d=document.documentElement;const n=d.getAttribute('data-theme')==='dark'?'light':'dark';d.setAttribute('data-theme',n);localStorage.setItem('theme',n);" aria-label="Toggle theme">◑</button></li>
</ul>
</nav>
</header>
<main>
<!-- ============================================================
TABLE OF CONTENTS
============================================================ -->
<div class="page-title" style="margin: calc(-1 * var(--space-2)) calc(-1 * var(--space-5)) 0; padding: var(--space-5) var(--space-3);">
<h1>Kitchen Sink</h1>
<p class="page-title-byline">Every building block in one place</p>
</div>
<article class="prose">
<nav class="ks-toc" style="margin: var(--space-5) 0;">
<a href="#colors">Colors</a>
<a href="#typography">Typography</a>
<a href="#typography-prose">Typography in Prose</a>
<a href="#links">Links</a>
<a href="#code">Code</a>
<a href="#cards">Cards</a>
<a href="#cards-nav">Nav Cards</a>
<a href="#info-boxes">Info Boxes</a>
<a href="#controls">Controls</a>
<a href="#buttons">Buttons</a>
<a href="#forms">Form Elements</a>
<a href="#tables">Tables</a>
<a href="#chart-elements">Chart Elements</a>
<a href="#text-components">Text Components</a>
<a href="#stat-groups">Stat Groups</a>
<a href="#step-cards">Step Cards</a>
<a href="#badge-new">Badges (New)</a>
<a href="#btn-primary">Primary Button</a>
<a href="#data-list">Data List</a>
<a href="#alerts">Alerts</a>
<a href="#spinners">Loading Spinners</a>
<a href="#figures">Figure & Caption</a>
<a href="#empty-states">Empty States</a>
<a href="#grids">Grid Columns</a>
<a href="#btn-sizes">Button Sizes</a>
<a href="#link-variants">Link Variants</a>
<a href="#text-utils">Text Utilities</a>
<a href="#card-title">Card Title</a>
<a href="#tab-bar">Tab Bar</a>
<a href="#figure-overlay">Figure Overlay</a>
<a href="#compare-cols">Compare Columns</a>
<a href="#status-cells">Status Cells</a>
<a href="#layout">Layout</a>
<a href="#details">Details/Collapsible</a>
<a href="#decorative">Decorative Rules</a>
<a href="#combos">Combinations & Cascade</a>
<a href="#badges">Badges</a>
<a href="#spacing">Spacing Scale</a>
<a href="#widths">Width Tiers</a>
</nav>
<!-- ============================================================
1. COLORS
============================================================ -->
<section class="ks-section" id="colors">
<h2>Colors</h2>
<h3>Text Colors</h3>
<div class="ks-row">
<div><p style="color: var(--color-text-strong); font-weight: 700;">Strong — headings, emphasis</p></div>
<div><p style="color: var(--color-text);">Text — body paragraphs</p></div>
<div><p style="color: var(--color-text-muted);">Muted — captions, metadata</p></div>
</div>
<h3>Backgrounds</h3>
<div class="ks-row">
<div class="ks-swatch"><div class="ks-swatch-box" style="background: var(--color-canvas);"></div><span class="ks-swatch-label">canvas<br>#f5f5f5</span></div>
<div class="ks-swatch"><div class="ks-swatch-box" style="background: var(--color-surface);"></div><span class="ks-swatch-label">surface<br>#fff</span></div>
<div class="ks-swatch"><div class="ks-swatch-box" style="background: var(--color-bg-alt);"></div><span class="ks-swatch-label">bg-alt<br>#f2f2f2</span></div>
<div class="ks-swatch"><div class="ks-swatch-box" style="background: var(--color-bg-highlight);"></div><span class="ks-swatch-label">bg-highlight<br>#e8e8e8</span></div>
</div>
<h3>Accent Colors</h3>
<div class="ks-row">
<div class="ks-swatch accent-blue"><div class="ks-swatch-box" style="background: var(--accent);"></div><span class="ks-swatch-label">blue</span></div>
<div class="ks-swatch accent-green"><div class="ks-swatch-box" style="background: var(--accent);"></div><span class="ks-swatch-label">green</span></div>
<div class="ks-swatch accent-red"><div class="ks-swatch-box" style="background: var(--accent);"></div><span class="ks-swatch-label">red</span></div>
<div class="ks-swatch accent-orange"><div class="ks-swatch-box" style="background: var(--accent);"></div><span class="ks-swatch-label">orange</span></div>
<div class="ks-swatch accent-purple"><div class="ks-swatch-box" style="background: var(--accent);"></div><span class="ks-swatch-label">purple</span></div>
<div class="ks-swatch accent-teal"><div class="ks-swatch-box" style="background: var(--accent);"></div><span class="ks-swatch-label">teal</span></div>
<div class="ks-swatch accent-ltblue"><div class="ks-swatch-box" style="background: var(--accent);"></div><span class="ks-swatch-label">ltblue</span></div>
<div class="ks-swatch accent-brown"><div class="ks-swatch-box" style="background: var(--accent);"></div><span class="ks-swatch-label">brown</span></div>
</div>
<h3>Links</h3>
<div class="ks-row">
<div class="ks-swatch"><div class="ks-swatch-box" style="background: var(--color-link);"></div><span class="ks-swatch-label">link<br>#A80038</span></div>
<div class="ks-swatch"><div class="ks-swatch-box" style="background: var(--color-link-visited);"></div><span class="ks-swatch-label">visited<br>#900C3F</span></div>
<div class="ks-swatch"><div class="ks-swatch-box" style="background: var(--color-link-hover);"></div><span class="ks-swatch-label">hover<br>#CC9900</span></div>
</div>
<h3>Borders</h3>
<div class="ks-row">
<div class="ks-swatch"><div class="ks-swatch-box" style="background: var(--color-border);"></div><span class="ks-swatch-label">border<br>#e9ecef</span></div>
<div class="ks-swatch"><div class="ks-swatch-box" style="background: var(--color-border-light);"></div><span class="ks-swatch-label">border-light<br>#ccc</span></div>
</div>
</section>
<!-- ============================================================
2. TYPOGRAPHY — STANDALONE
============================================================ -->
<section class="ks-section" id="typography">
<h2>Typography — Standalone</h2>
<span class="ks-label">h1</span>
<h1>Heading Level 1</h1>
<span class="ks-label">h2</span>
<h2 style="margin-top: 0;">Heading Level 2</h2>
<span class="ks-label">h3</span>
<h3 style="margin-top: 0;">Heading Level 3</h3>
<span class="ks-label">h4</span>
<h4 style="margin-top: 0;">Heading Level 4</h4>
<span class="ks-label">paragraph (outside .prose)</span>
<p>This is a paragraph outside of a .prose wrapper. It uses --text-base (16px), --color-text, and 0.75em bottom margin. The line-height is 1.6. It inherits from the global p rule.</p>
<span class="ks-label">list (outside .prose)</span>
<ul>
<li>List item one with default styling</li>
<li>List item two — font-size base, color text, line-height 1.6</li>
<li>List item three</li>
</ul>
</section>
<!-- ============================================================
3. TYPOGRAPHY — IN PROSE
============================================================ -->
<section class="ks-section" id="typography-prose">
<h2>Typography — In Prose Wrapper</h2>
<span class="ks-label">.prose</span>
</article>
<article class="prose">
<h2>Prose H2 — 48px top margin, text-3xl</h2>
<p>This is a paragraph inside .prose. It gets 1.5em bottom margin instead of 0.75em. The prose wrapper is max-width 720px (--width-lg), centered with auto margins and 12px side padding.</p>
<h3>Prose H3 — 48px top margin, text-2xl</h3>
<p>Another paragraph. Notice the spacing is more generous inside prose. Bold <code>inline code</code> appears with a background highlight. This is the wrapper used for all tutorial and guide content.</p>
<h4>Prose H4 — 32px top margin, muted color</h4>
<p>H4 headings inside prose are color-text-muted, providing a visual hierarchy step down from h3.</p>
<ul>
<li>Prose list items get 0.4em bottom margin</li>
<li>Lists have 1.5em left padding</li>
<li>8px top margin, 24px bottom margin</li>
</ul>
<ol>
<li>Ordered lists get the same treatment</li>
<li>Same spacing, same indentation</li>
<li>Same font size (base)</li>
</ol>
</article>
<article class="prose">
<span class="ks-label">.prose-report (justified)</span>
</article>
<article class="prose prose-report">
<p>This is prose-report text. It uses justified alignment with 1.65 line-height and 28px bottom margin. This is the style used for the childcare report and any future long-form narrative content. The wider spacing and justification create a more formal, publication-like feel compared to standard prose.</p>
<p>A second paragraph to show the 28px gap between paragraphs. Compare this to the standard prose gap above.</p>
</article>
<article class="prose">
<!-- ============================================================
4. LINKS
============================================================ -->
<section class="ks-section" id="links">
<h2>Links</h2>
<p>This is a <a href="#">standard link</a> inside a paragraph. Links are underlined by default with text-underline-offset: 3px and 1px thickness. Underline is removed on hover. <a href="#">Hover over this link</a> to see the color change to gold (#CC9900).</p>
</section>
<!-- ============================================================
5. CODE
============================================================ -->
<section class="ks-section" id="code">
<h2>Code</h2>
<span class="ks-label">inline code</span>
<p>Use the <code>pd.read_csv()</code> function to load data. Inline code has a background highlight and 0.9em font-size.</p>
<span class="ks-label">code block (pre)</span>
<pre><code class="language-python">import pandas as pd
# Fetch data from FRED API
df = pd.read_csv('files/gdpm.csv', parse_dates=['date'])
df = df.set_index('date')
# Calculate year-over-year growth
df['growth'] = df['value'].pct_change(12) * 100
print(df.tail())</code></pre>
</section>
<!-- ============================================================
6. CARDS
============================================================ -->
<section class="ks-section" id="cards">
<h2>Cards</h2>
<span class="ks-label">.card — bare</span>
<div class="card">
<div class="card-body">
<p>A bare card with just card-body. No header, no footer. The universal container.</p>
</div>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.card + .card-header (blue)</span>
<div class="card accent-blue">
<div class="card-header">
<h3 class="chart-title">Card Title</h3>
<div class="card-actions">
<button aria-label="Action">☰</button>
</div>
</div>
<div class="card-body">
<p>Card with a header. Gray background, 4px accent top border. Flex layout with title left, actions right.</p>
</div>
<div class="card-footer">
<span class="chart-source">Source: Example data</span>
<svg class="card-logo" width="14" height="14" viewBox="0 0 14 14"><rect x="0" y="0" width="4" height="4"/><rect x="0" y="5" width="4" height="4"/><rect x="0" y="10" width="4" height="4"/><rect x="5" y="0" width="4" height="4"/><rect x="5" y="10" width="4" height="4"/><rect x="10" y="5" width="4" height="4"/></svg>
</div>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.card-compact.card-chart (red)</span>
<div class="card card-compact card-chart accent-red">
<div class="card-header">
<h3 class="chart-title">Chart Card</h3>
</div>
<div class="card-body">
<div style="height: 150px; background: var(--color-bg-alt); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted);">[ Chart Canvas ]</div>
</div>
<div class="card-footer">
<span class="chart-source">Source: Bureau of Labor Statistics</span>
</div>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.card-accent (teal)</span>
<div class="card card-accent accent-teal">
<div class="card-header">
<h3 class="chart-title">Accent Border Card</h3>
</div>
<div class="card-body">
<p>Card with border-color matching the accent. Title also takes accent color.</p>
</div>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">Cards in all 8 accent colors</span>
<div class="ks-row">
<div class="card accent-blue" style="flex: 1; min-width: 200px;">
<div class="card-header"><h3 class="chart-title" style="font-size: var(--text-base);">Blue</h3></div>
<div class="card-body"><p style="font-size: var(--text-sm);">accent-blue</p></div>
</div>
<div class="card accent-green" style="flex: 1; min-width: 200px;">
<div class="card-header"><h3 class="chart-title" style="font-size: var(--text-base);">Green</h3></div>
<div class="card-body"><p style="font-size: var(--text-sm);">accent-green</p></div>
</div>
<div class="card accent-red" style="flex: 1; min-width: 200px;">
<div class="card-header"><h3 class="chart-title" style="font-size: var(--text-base);">Red</h3></div>
<div class="card-body"><p style="font-size: var(--text-sm);">accent-red</p></div>
</div>
<div class="card accent-orange" style="flex: 1; min-width: 200px;">
<div class="card-header"><h3 class="chart-title" style="font-size: var(--text-base);">Orange</h3></div>
<div class="card-body"><p style="font-size: var(--text-sm);">accent-orange</p></div>
</div>
</div>
<div class="ks-row">
<div class="card accent-purple" style="flex: 1; min-width: 200px;">
<div class="card-header"><h3 class="chart-title" style="font-size: var(--text-base);">Purple</h3></div>
<div class="card-body"><p style="font-size: var(--text-sm);">accent-purple</p></div>
</div>
<div class="card accent-teal" style="flex: 1; min-width: 200px;">
<div class="card-header"><h3 class="chart-title" style="font-size: var(--text-base);">Teal</h3></div>
<div class="card-body"><p style="font-size: var(--text-sm);">accent-teal</p></div>
</div>
<div class="card accent-ltblue" style="flex: 1; min-width: 200px;">
<div class="card-header"><h3 class="chart-title" style="font-size: var(--text-base);">Light Blue</h3></div>
<div class="card-body"><p style="font-size: var(--text-sm);">accent-ltblue</p></div>
</div>
<div class="card accent-brown" style="flex: 1; min-width: 200px;">
<div class="card-header"><h3 class="chart-title" style="font-size: var(--text-base);">Brown</h3></div>
<div class="card-body"><p style="font-size: var(--text-sm);">accent-brown</p></div>
</div>
</div>
</section>
<!-- ============================================================
7. NAV CARDS
============================================================ -->
<section class="ks-section" id="cards-nav">
<h2>Nav Cards</h2>
<span class="ks-label">.card-nav — accent dot treatment</span>
<div class="card-grid" style="max-width: var(--width-xl);">
<a href="#" class="card card-nav accent-blue">
<div class="card-banner"><img src="images/blsapi_banner.webp" alt=""></div>
<div class="card-header"><h3>Blue Card</h3></div>
<div class="card-body">
<p>Nav card with accent dot in header and colored banner strip.</p>
<span class="trail-badge trail-intro">Intro</span>
</div>
</a>
<a href="#" class="card card-nav accent-green">
<div class="card-banner"></div>
<div class="card-header"><h3>Green Card</h3></div>
<div class="card-body">
<p>Nav card without banner image — shows the accent-tinted background.</p>
<span class="trail-badge trail-beginner">Beginner</span>
</div>
</a>
<a href="#" class="card card-nav accent-red card-muted">
<div class="card-banner"></div>
<div class="card-header"><h3>Muted Card</h3></div>
<div class="card-body">
<p>Card with .card-muted — 50% opacity, full on hover. Used for coming-soon items.</p>
<span class="trail-badge trail-intermediate">Intermediate</span>
</div>
</a>
</div>
</section>
<!-- ============================================================
8. INFO BOXES
============================================================ -->
<section class="ks-section" id="info-boxes">
<h2>Info Boxes</h2>
<span class="ks-label">.info-box — basic</span>
<div class="info-box accent-blue">
<h3>Info Box Title</h3>
<p>Basic info box with accent-colored underline on the title. Light gray background, 2px border.</p>
<p>Second paragraph. Info box text uses --text-sm and --color-text.</p>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.info-box with .info-box-tab</span>
<div class="info-box accent-teal" style="margin-top: var(--space-5);">
<span class="info-box-tab">Category Label</span>
<h3>Info Box with Tab</h3>
<p>The tab is an offset label plate positioned above the box border. Accent-colored background, white Space Mono text.</p>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.info-box with .key-stat</span>
<div class="info-box accent-red">
<h3>Latest Estimate</h3>
<div class="key-stat">4.2%</div>
<p class="note">As of March 2026</p>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.info-box-accent</span>
<div class="info-box info-box-accent accent-purple">
<h3>Accent Info Box</h3>
<p>Border takes the accent color. Background changes to --color-bg.</p>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.info-box + .control-panel (no double border)</span>
<div class="info-box accent-blue">
<h3>Data Selection</h3>
<p>Choose a country and indicator below.</p>
</div>
<div class="control-panel">
<label>Country</label>
<select class="form-select"><option>United States</option><option>Germany</option><option>Japan</option></select>
<label>Indicator</label>
<select class="form-select"><option>GDP Growth</option><option>Inflation</option><option>Unemployment</option></select>
</div>
</section>
<!-- ============================================================
9. CONTROLS
============================================================ -->
<section class="ks-section" id="controls">
<h2>Controls</h2>
<span class="ks-label">.control-panel</span>
<div class="control-panel">
<label>View</label>
<select class="form-select"><option>Monthly</option><option>Quarterly</option><option>Annual</option></select>
<label>Period</label>
<select class="form-select"><option>All</option><option>Recent 3 years</option><option>Recent 5 years</option></select>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.control-row</span>
<div class="control-row" style="max-width: 400px;">
<label>Search</label>
<input type="text" class="form-select" placeholder="Type to search...">
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.combo-box</span>
<div class="control-row" style="max-width: 400px;">
<label>Country</label>
<div class="combo-box">
<input type="text" class="form-select" placeholder="Type a country name...">
<div class="combo-list open" style="position: relative;">
<div class="combo-item">United States</div>
<div class="combo-item active">United <mark>King</mark>dom</div>
<div class="combo-item">United Arab Emirates</div>
</div>
</div>
</div>
</section>
<!-- ============================================================
10. BUTTONS
============================================================ -->
<section class="ks-section" id="buttons">
<h2>Buttons</h2>
<span class="ks-label">.btn — states</span>
<div class="ks-row" style="align-items: center;">
<button class="btn">Default</button>
<button class="btn active accent-blue">Active (blue)</button>
<button class="btn active accent-red">Active (red)</button>
<button class="btn active accent-teal">Active (teal)</button>
<button class="btn" disabled>Disabled</button>
</div>
<span class="ks-label">.btn--pill</span>
<div class="ks-row" style="align-items: center;">
<button class="btn btn--pill">Pill Button</button>
<button class="btn btn--pill active accent-blue">Active Pill</button>
</div>
<span class="ks-label">.btn-group (segmented control)</span>
<div class="btn-group accent-red">
<button class="btn active">Nominal</button>
<button class="btn">Real</button>
</div>
<div class="ks-spacer"></div>
<div class="btn-group accent-blue">
<button class="btn">All</button>
<button class="btn active">Major</button>
<button class="btn">This Week</button>
</div>
</section>
<!-- ============================================================
11. FORM ELEMENTS
============================================================ -->
<section class="ks-section" id="forms">
<h2>Form Elements</h2>
<span class="ks-label">.form-select</span>
<div class="ks-row">
<select class="form-select">
<option>Select an option</option>
<option>Option A</option>
<option>Option B</option>
</select>
<input type="text" class="form-select" placeholder="Text input">
</div>
</section>
<!-- ============================================================
12. TABLES
============================================================ -->
<section class="ks-section" id="tables">
<h2>Tables</h2>
<span class="ks-label">base table</span>
<table>
<thead>
<tr><th>Indicator</th><th>Value</th><th>Change</th><th>Date</th></tr>
</thead>
<tbody>
<tr><td>GDP Growth</td><td>2.8%</td><td>+0.3</td><td>2026-Q1</td></tr>
<tr><td>Unemployment</td><td>4.1%</td><td>-0.1</td><td>Mar 2026</td></tr>
<tr><td>CPI Inflation</td><td>2.4%</td><td>+0.2</td><td>Mar 2026</td></tr>
<tr><td>Fed Funds Rate</td><td>4.50%</td><td>0.0</td><td>Mar 2026</td></tr>
<tr><td>10Y Treasury</td><td>4.25%</td><td>-0.15</td><td>Apr 2026</td></tr>
</tbody>
</table>
<div class="ks-spacer"></div>
<span class="ks-label">.dash-table</span>
<table class="dash-table">
<thead>
<tr><th>Series</th><th>Latest</th><th>Prior</th><th>YoY</th></tr>
</thead>
<tbody>
<tr><td>Nonfarm Payrolls</td><td>151K</td><td>125K</td><td>+1.2%</td></tr>
<tr><td>Average Hourly Earnings</td><td>$35.93</td><td>$35.82</td><td>+4.0%</td></tr>
<tr><td>Initial Claims</td><td>219K</td><td>225K</td><td>-3.1%</td></tr>
<tr><td>Continuing Claims</td><td>1,856K</td><td>1,889K</td><td>+5.2%</td></tr>
</tbody>
</table>
<div class="ks-spacer"></div>
<span class="ks-label">.data-table</span>
<table class="data-table">
<thead><tr><th></th><th>Region</th><th>2022</th><th>2023</th><th>2024</th><th>2025</th><th>2026</th></tr></thead>
<tbody>
<tr><td>United States</td><td>North America</td><td>1.9</td><td>2.5</td><td>2.8</td><td>2.2</td><td>1.8</td></tr>
<tr><td>Euro Area</td><td>Europe</td><td>3.4</td><td>0.4</td><td>0.8</td><td>1.0</td><td>1.4</td></tr>
<tr><td>Japan</td><td>Asia Pacific</td><td>1.0</td><td>1.9</td><td>0.3</td><td>1.1</td><td>0.8</td></tr>
<tr><td>China</td><td>Asia Pacific</td><td>3.0</td><td>5.2</td><td>4.8</td><td>4.5</td><td>4.2</td></tr>
<tr><td>India</td><td>Asia Pacific</td><td>7.2</td><td>8.2</td><td>7.0</td><td>6.5</td><td>6.3</td></tr>
</tbody>
</table>
<div class="ks-spacer"></div>
<span class="ks-label">.data-table + row highlight (accent-blue)</span>
<table class="data-table accent-blue">
<thead><tr><th></th><th>Region</th><th>2022</th><th>2023</th><th>2024</th><th>2025</th><th>2026</th></tr></thead>
<tbody>
<tr><td>United States</td><td>North America</td><td>1.9</td><td>2.5</td><td>2.8</td><td>2.2</td><td>1.8</td></tr>
<tr><td>Euro Area</td><td>Europe</td><td>3.4</td><td>0.4</td><td>0.8</td><td>1.0</td><td>1.4</td></tr>
<tr class="highlight"><td>Japan</td><td>Asia Pacific</td><td>1.0</td><td>1.9</td><td>0.3</td><td>1.1</td><td>0.8</td></tr>
<tr><td>China</td><td>Asia Pacific</td><td>3.0</td><td>5.2</td><td>4.8</td><td>4.5</td><td>4.2</td></tr>
<tr><td>India</td><td>Asia Pacific</td><td>7.2</td><td>8.2</td><td>7.0</td><td>6.5</td><td>6.3</td></tr>
</tbody>
</table>
<div class="ks-spacer"></div>
<span class="ks-label">.data-table + column highlight (accent-teal)</span>
<table class="data-table accent-teal">
<colgroup><col><col><col><col><col class="highlight"><col><col></colgroup>
<thead><tr><th></th><th>Region</th><th>2022</th><th>2023</th><th>2024</th><th>2025</th><th>2026</th></tr></thead>
<tbody>
<tr><td>United States</td><td>North America</td><td>1.9</td><td>2.5</td><td>2.8</td><td>2.2</td><td>1.8</td></tr>
<tr><td>Euro Area</td><td>Europe</td><td>3.4</td><td>0.4</td><td>0.8</td><td>1.0</td><td>1.4</td></tr>
<tr><td>Japan</td><td>Asia Pacific</td><td>1.0</td><td>1.9</td><td>0.3</td><td>1.1</td><td>0.8</td></tr>
<tr><td>China</td><td>Asia Pacific</td><td>3.0</td><td>5.2</td><td>4.8</td><td>4.5</td><td>4.2</td></tr>
<tr><td>India</td><td>Asia Pacific</td><td>7.2</td><td>8.2</td><td>7.0</td><td>6.5</td><td>6.3</td></tr>
</tbody>
</table>
<div class="ks-spacer"></div>
<span class="ks-label">.data-table + bold row + bold column (accent-blue)</span>
<table class="data-table accent-blue">
<thead><tr><th></th><th>Region</th><th>2022</th><th>2023</th><th class="strong">2024</th><th>2025</th><th>2026</th></tr></thead>
<tbody>
<tr><td>United States</td><td>North America</td><td>1.9</td><td>2.5</td><td class="strong">2.8</td><td>2.2</td><td>1.8</td></tr>
<tr><td>Euro Area</td><td>Europe</td><td>3.4</td><td>0.4</td><td class="strong">0.8</td><td>1.0</td><td>1.4</td></tr>
<tr class="strong"><td>Japan</td><td>Asia Pacific</td><td>1.0</td><td>1.9</td><td class="strong">0.3</td><td>1.1</td><td>0.8</td></tr>
<tr><td>China</td><td>Asia Pacific</td><td>3.0</td><td>5.2</td><td class="strong">4.8</td><td>4.5</td><td>4.2</td></tr>
<tr><td>India</td><td>Asia Pacific</td><td>7.2</td><td>8.2</td><td class="strong">7.0</td><td>6.5</td><td>6.3</td></tr>
</tbody>
</table>
<div class="ks-spacer"></div>
<span class="ks-label">.dataframe in .table-wrap</span>
<div class="table-wrap">
<table class="dataframe">
<thead>
<tr><th></th><th>2022</th><th>2023</th><th>2024</th><th>2025</th><th>2026</th></tr>
</thead>
<tbody>
<tr><td>United States</td><td>1.9</td><td>2.5</td><td>2.8</td><td>2.2</td><td>1.8</td></tr>
<tr><td>Euro Area</td><td>3.4</td><td>0.4</td><td>0.8</td><td>1.0</td><td>1.4</td></tr>
<tr><td>Japan</td><td>1.0</td><td>1.9</td><td>0.3</td><td>1.1</td><td>0.8</td></tr>
<tr><td>China</td><td>3.0</td><td>5.2</td><td>4.8</td><td>4.5</td><td>4.2</td></tr>
<tr><td>India</td><td>7.2</td><td>8.2</td><td>7.0</td><td>6.5</td><td>6.3</td></tr>
</tbody>
</table>
</div>
</section>
<!-- ============================================================
13. CHART ELEMENTS
============================================================ -->
<section class="ks-section" id="chart-elements">
<h2>Chart Elements</h2>
<span class="ks-label">Full chart card with all sub-elements</span>
<div class="card card-compact card-chart accent-blue" style="max-width: var(--width-md);">
<div class="card-header">
<div>
<h3 class="chart-title">Unemployment Rate</h3>
<span class="chart-subtitle">Percent, seasonally adjusted</span>
</div>
<div class="card-actions">
<button aria-label="Share">↗</button>
<button aria-label="Download">↓</button>
</div>
</div>
<div class="card-body">
<div style="height: 200px; background: var(--color-bg-alt); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted);">[ Chart.js Canvas ]</div>
</div>
<div class="card-body" style="padding-top: 0;">
<div class="chart-legend">
<div class="chart-legend-item">
<div class="chart-legend-box" style="background: var(--color-card-blue);"></div>
<span class="chart-legend-label">Unemployment Rate</span>
</div>
<div class="chart-legend-item">
<div class="chart-legend-box" style="background: var(--color-card-red);"></div>
<span class="chart-legend-label">Natural Rate</span>
</div>
<div class="chart-legend-item legend-off">
<div class="chart-legend-box" style="background: var(--color-text-muted);"></div>
<span class="chart-legend-label">Hidden Series</span>
</div>
</div>
</div>
<div class="card-footer">
<span class="chart-source">Source: Bureau of Labor Statistics</span>
<svg class="card-logo" width="14" height="14" viewBox="0 0 14 14"><rect x="0" y="0" width="4" height="4"/><rect x="0" y="5" width="4" height="4"/><rect x="0" y="10" width="4" height="4"/><rect x="5" y="0" width="4" height="4"/><rect x="5" y="10" width="4" height="4"/><rect x="10" y="5" width="4" height="4"/></svg>
</div>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.chart-tooltip (static demo)</span>
<div style="position: relative; height: 80px;">
<div class="chart-tooltip visible" style="left: 20px; top: 10px;">
<div class="chart-tooltip-header">March 2026</div>
<div>Unemployment: <strong>4.1%</strong></div>
<div>Change: <strong>-0.1pp</strong></div>
</div>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.chart-filter</span>
<span class="chart-filter">Showing 2020-2026 · <button>Show all</button></span>
</section>
<!-- ============================================================
14. TEXT COMPONENTS
============================================================ -->
<section class="ks-section" id="text-components">
<h2>Text Components</h2>
<span class="ks-label">.label</span>
<div class="label">Category Label</div>
<div class="ks-spacer"></div>
<span class="ks-label">.step-label (with accent)</span>
<div class="accent-blue"><span class="step-label">Step 1: Import the data</span></div>
<div class="ks-spacer"></div>
<span class="ks-label">.heading-accent (with accent)</span>
<div class="accent-red"><h3 class="heading-accent">Accented Heading</h3></div>
<div class="ks-spacer"></div>
<span class="ks-label">.key-stat</span>
<div class="key-stat">$28.4 trillion</div>
<div class="ks-spacer"></div>
<span class="ks-label">.callout (with accent colors)</span>
<div class="callout accent-blue">
This is a blue callout. Used for introductory emphasis text. 5px left border, xl font weight 500, alt background.
</div>
<div class="callout accent-teal">
Teal callout. Each accent color produces a different left border.
</div>
<div class="callout accent-red">
Red callout.
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.blockquote-accent</span>
<blockquote class="blockquote-accent accent-green">
"The economy added 151,000 jobs in February, below the expected 160,000 but broadly in line with the trend."
<cite>— Bureau of Labor Statistics, March 2026</cite>
</blockquote>
<div class="ks-spacer"></div>
<span class="ks-label">.highlight-accent</span>
<p>The rate fell to <span class="highlight-accent accent-red">4.1%</span> in March, down from <span class="highlight-accent accent-blue">4.2%</span> in February.</p>
<div class="ks-spacer"></div>
<span class="ks-label">.note / .chart-source</span>
<p class="note">Note: Data are seasonally adjusted. Last updated April 6, 2026.</p>
<p class="chart-source">Source: Federal Reserve Economic Data (FRED)</p>
<div class="ks-spacer"></div>
<span class="ks-label">.tutorial-meta</span>
<div class="tutorial-meta">
<span>Published: Jan 15, 2026</span>
<span class="meta-sep">|</span>
<span>Updated: Mar 20, 2026</span>
<span class="meta-sep">|</span>
<button><svg class="icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M4 12v8a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-8"/><polyline points="16 6 12 2 8 6"/><line x1="12" y1="2" x2="12" y2="15"/></svg> Share</button>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.noscript-warning</span>
<div class="noscript-warning">JavaScript is required to display the interactive charts on this page.</div>
</section>
<!-- ============================================================
14b. STAT GROUPS
============================================================ -->
<section class="ks-section" id="stat-groups">
<h2>Stat Groups</h2>
<span class="ks-label">.stat-group — single stat</span>
<div class="stat-group">
<span class="stat-label">Unemployment Rate</span>
<span class="stat-value">4.1%</span>
<span class="stat-note">March 2026, seasonally adjusted</span>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.stat-group with .stat-value-lg</span>
<div class="stat-group">
<span class="stat-label">Nominal GDP</span>
<span class="stat-value stat-value-lg">$28.4T</span>
<span class="stat-note">Q1 2026 advance estimate</span>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.stat-group with .stat-delta</span>
<div class="stat-group">
<span class="stat-label">CPI Inflation</span>
<span class="stat-value">2.4%</span>
<span class="stat-delta stat-delta-up">+0.2pp from prior month</span>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.stat-row — multiple stats side by side</span>
<div class="stat-row">
<div class="stat-group">
<span class="stat-label">2025</span>
<span class="stat-value">2.2%</span>
<span class="stat-delta stat-delta-down">-0.3</span>
</div>
<div class="stat-group">
<span class="stat-label">2026</span>
<span class="stat-value">1.8%</span>
<span class="stat-delta stat-delta-down">-0.4</span>
</div>
<div class="stat-group">
<span class="stat-label">2027</span>
<span class="stat-value">2.1%</span>
<span class="stat-delta stat-delta-up">+0.3</span>
</div>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.stat-row inside .info-box</span>
<div class="info-box accent-blue">
<h3>GDP Forecast</h3>
<div class="stat-row">
<div class="stat-group">
<span class="stat-label">Current Year</span>
<span class="stat-value stat-value-lg">2.8%</span>
<span class="stat-delta stat-delta-up">+0.1</span>
</div>
<div class="stat-group">
<span class="stat-label">Next Year</span>
<span class="stat-value stat-value-lg">2.2%</span>
<span class="stat-delta stat-delta-down">-0.3</span>
</div>
</div>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.stat-row inside .card-body</span>
<div class="card accent-red">
<div class="card-header"><span class="chart-title">Monthly GDP</span></div>
<div class="card-body">
<div class="stat-row">
<div class="stat-group">
<span class="stat-label">Latest</span>
<span class="stat-value stat-value-lg">$32,017.98</span>
<span class="stat-note">Billions, SAAR</span>
</div>
<div class="stat-group">
<span class="stat-label">Growth</span>
<span class="stat-value">2.8%</span>
<span class="stat-delta stat-delta-up">+0.3pp</span>
</div>
</div>
</div>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.stat-row-inline — horizontal year + value + delta (WEO pattern)</span>
<div class="info-box accent-blue" style="max-width: var(--width-md);">
<div class="stat-row-inline">
<div class="stat-inline">
<span class="stat-inline-year">2025</span>
<span class="stat-inline-value">2.8</span>
<span class="stat-delta stat-delta-up">▲+0.1</span>
</div>
<div class="stat-inline">
<span class="stat-inline-year">2026</span>
<span class="stat-inline-value">2.2</span>
<span class="stat-delta stat-delta-down">▼-0.3</span>
</div>
<div class="stat-inline">
<span class="stat-inline-year">2027</span>
<span class="stat-inline-value">2.1</span>
<span class="stat-delta">—</span>
</div>
</div>
</div>
</section>
<!-- ============================================================
14c. STEP CARDS
============================================================ -->
<section class="ks-section" id="step-cards">
<h2>Step Cards</h2>
<span class="ks-label">.step-cards — numbered instruction sequence</span>
<div class="step-cards accent-blue">
<div class="step-card">
<div class="step-number">1</div>
<div class="step-content">
<h4>Get quarterly GDP</h4>
<p>Fetch the latest quarterly real GDP data from the FRED API using the GDPC1 series.</p>
</div>
</div>
<div class="step-card">
<div class="step-number">2</div>
<div class="step-content">
<h4>Integrate nowcast</h4>
<p>Add the Atlanta Fed GDPNow estimate for the current quarter as a forward-looking data point.</p>
</div>
</div>
<div class="step-card">
<div class="step-number">3</div>
<div class="step-content">
<h4>Interpolate to monthly</h4>
<p>Use cubic spline interpolation to convert the quarterly series into monthly frequency estimates.</p>
</div>
</div>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.step-cards with different accent</span>
<div class="step-cards accent-teal">
<div class="step-card">
<div class="step-number">1</div>
<div class="step-content">
<h4>Import packages</h4>
<p>Install and import requests, pandas, and json for API access.</p>
</div>
</div>
<div class="step-card">
<div class="step-number">2</div>
<div class="step-content">
<h4>Configure the request</h4>
<p>Set up headers, series IDs, and date range parameters.</p>
</div>
</div>
</div>
</section>
<!-- ============================================================
14d. BADGES
============================================================ -->
<section class="ks-section" id="badge-new">
<h2>Badges (New)</h2>
<span class="ks-label">.badge — accent-tinted pill (uses --accent from parent)</span>
<div class="ks-row" style="align-items: center;">
<span class="badge accent-blue">Output</span>
<span class="badge accent-green">BEA</span>
<span class="badge accent-red">Employment</span>
<span class="badge accent-orange">Census</span>
<span class="badge accent-purple">Treasury</span>
<span class="badge accent-teal">Childcare</span>
<span class="badge accent-ltblue">Intro</span>
<span class="badge accent-brown">Calendar</span>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.badge-solid — opaque background, white text (agency labels)</span>
<div class="ks-row" style="align-items: center;">
<span class="badge-solid accent-blue">BLS</span>
<span class="badge-solid accent-green">BEA</span>
<span class="badge-solid accent-teal">FED</span>
<span class="badge-solid accent-orange">CENSUS</span>
<span class="badge-solid accent-purple">TREAS</span>
<span class="badge-solid" style="--accent: var(--color-text-muted);">OTHER</span>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.badge in context — card header with category badge</span>
<div class="card accent-blue">
<div class="card-header">
<span class="chart-title">Real GDP per Capita <span class="badge accent-blue">Output</span></span>
</div>
<div class="card-body">
<p>Chart title with an inline category badge.</p>
</div>
</div>
<div class="ks-spacer"></div>
<span class="ks-label">.badge-solid in context — data release with agency label</span>
<p><span class="badge-solid accent-blue">BLS</span> Employment Situation — Nonfarm payrolls, unemployment rate</p>
<p><span class="badge-solid accent-green">BEA</span> GDP Advance Estimate — First look at quarterly GDP</p>
<p><span class="badge-solid accent-teal">FED</span> FOMC Statement — Interest rate decision and guidance</p>
</section>
<!-- ============================================================
14e. PRIMARY BUTTON
============================================================ -->
<section class="ks-section" id="btn-primary">
<h2>Primary Button</h2>
<span class="ks-label">.btn-primary — download/CTA action</span>
<div class="ks-row" style="align-items: center;">
<a href="#" class="btn-primary">
<svg class="icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
Download CSV
</a>
<a href="#" class="btn-primary">