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openhands-index
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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>OpenHands Design System</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap" rel="stylesheet">
<style>
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:hsl(0 0% 5%);
  --card:hsl(0 0% 7%);
  --secondary:hsl(0 0% 8%);
  --muted:hsl(0 0% 12%);
  --border:hsl(0 0% 14%);
  /* DESIGN.md: interactive border emphasis (e.g. card/button hover) */
  --border-hover:hsl(0 0% 24%);
  --muted-hover:hsl(0 0% 18%);
  --fg:hsl(0 0% 98%);
  --fg-muted:hsl(0 0% 55%);
  --primary:hsl(0 0% 100%);
  --primary-fg:hsl(0 0% 0%);
  --success:#22c55e;
  --success-fg:#86efac;
  --warning:#f59e0b;
  --info:#3b82f6;
  --destructive:#dc2626;
  --destructive-fg:#fafafa;
  --ring:#cccccc;
  --shadow-card:0 1px 2px 0 hsl(0 0% 0% / 0.3);
  --font-sans:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}

html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--fg);line-height:1.6;-webkit-font-smoothing:antialiased}

/* Nav */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;flex-wrap:nowrap;gap:16px;padding:0 24px 0 16px;height:56px;background:hsl(0 0% 5% / 0.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);overflow:hidden}
.nav-start{display:flex;align-items:center;flex-wrap:nowrap;gap:12px;flex-shrink:0;min-width:0}
.nav-github{display:inline-flex;align-items:center;gap:6px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;color:var(--fg-muted);text-decoration:none;padding:4px 10px;border-radius:6px;border:1px solid var(--border);transition:all 0.2s;flex-shrink:0}
.nav-github:hover{background:var(--muted);color:var(--fg);border-color:var(--border-hover)}
.nav-links{display:flex;flex:1;justify-content:flex-end;gap:4px;list-style:none;margin:0;padding:0;min-width:0;flex-wrap:nowrap}
.nav-links a{font-size:13px;color:var(--fg-muted);text-decoration:none;padding:6px 12px;border-radius:6px;transition:all 0.2s}
.nav-links a:hover{color:var(--fg);background:var(--muted)}
.nav-logo{display:flex;align-items:center;flex-shrink:0;opacity:0.85;transition:opacity 0.2s}
.nav-logo:hover{opacity:1}
.nav-logo svg{height:22px;width:auto;display:block}
/* Hero */
.hero{text-align:center;padding:80px 24px 64px;max-width:720px;margin:0 auto}
.hero h1{font-size:48px;font-weight:600;line-height:1.1;letter-spacing:-1.5px;margin-bottom:16px}
.hero p{font-size:16px;color:var(--fg-muted);line-height:1.6;max-width:520px;margin:0 auto 32px}
.hero-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Buttons */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;font-size:14px;font-weight:400;border-radius:6px;text-decoration:none;transition:all 0.2s;background:var(--secondary);color:var(--fg);border:1px solid var(--border)}
.btn-primary:hover{background:var(--muted-hover);border-color:var(--border-hover)}
.btn-dark{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;font-size:14px;font-weight:400;border-radius:6px;text-decoration:none;transition:all 0.2s;background:var(--primary);color:var(--primary-fg)}
.btn-dark:hover{opacity:0.85}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;font-size:14px;font-weight:400;border-radius:6px;text-decoration:none;transition:all 0.2s;color:var(--fg-muted);background:transparent}
.btn-ghost:hover{color:var(--fg);background:var(--muted)}
.btn-destructive{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;font-size:14px;font-weight:400;border-radius:6px;text-decoration:none;transition:all 0.2s;background:var(--destructive);color:var(--destructive-fg)}
.btn-destructive:hover{opacity:0.85}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;font-size:14px;font-weight:400;border-radius:6px;text-decoration:none;transition:all 0.2s;color:var(--fg);background:var(--bg);border:1px solid var(--border)}
.btn-outline:hover{background:var(--muted);color:var(--fg)}
.btn-muted{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;font-size:14px;font-weight:400;border-radius:6px;text-decoration:none;transition:all 0.2s;color:var(--fg-muted);background:var(--muted)}
.btn-muted:hover{background:var(--muted-hover);color:var(--fg)}
.btn-pill{display:inline-flex;align-items:center;justify-content:center;height:28px;padding:0 12px;font-size:12px;font-weight:500;border-radius:9999px;text-decoration:none;transition:all 0.2s;background:var(--muted);color:var(--fg-muted)}
.btn-pill:hover{color:var(--fg);background:var(--muted-hover)}

/* Sections */
.section{max-width:1100px;margin:0 auto;padding:64px 24px}
.section-label{font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:1.5px;color:var(--fg-muted);margin-bottom:8px}
.section-title{font-size:28px;font-weight:600;letter-spacing:-0.5px;margin-bottom:40px}
.section-divider{border:none;border-top:1px solid var(--border);margin:0}

/* Color swatches */
.color-group-label{font-size:13px;font-weight:500;color:var(--fg-muted);margin-bottom:12px;margin-top:32px}
.color-group-label:first-of-type{margin-top:0}
.color-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:24px}
.color-swatch{border-radius:10px;overflow:hidden;border:1px solid var(--border);background:var(--card);transition:transform 0.2s}
.color-swatch:hover{transform:translateY(-2px)}
.color-swatch-block{height:80px}
.color-swatch-info{padding:10px 12px}
.color-swatch-name{font-size:13px;font-weight:500;margin-bottom:2px}
.color-swatch-hex{font-family:var(--font-mono);font-size:11px;color:var(--fg-muted)}
.color-swatch-role{font-size:11px;color:var(--fg-muted);margin-top:4px}

/* Typography */
.type-sample{padding:20px 0;border-bottom:1px solid var(--border)}
.type-sample:last-child{border-bottom:none}
.type-meta{font-size:12px;color:var(--fg-muted);margin-top:8px;font-family:var(--font-mono)}

/* Buttons section */
.button-row{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}
.button-item{display:flex;flex-direction:column;align-items:center;gap:8px}
.button-label{font-size:11px;color:var(--fg-muted);text-align:center}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:24px;transition:all 0.2s}
.card:hover{border-color:var(--border-hover)}
.card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.card p{font-size:14px;color:var(--fg-muted);line-height:1.6}
.card-badge{display:inline-block;font-size:11px;font-weight:500;padding:2px 8px;border-radius:9999px;margin-bottom:12px}

/* Forms */
.form-group{max-width:480px;margin-bottom:24px}
.form-label{display:block;font-size:14px;font-weight:500;margin-bottom:6px}
.form-input,.form-textarea{width:100%;height:40px;padding:0 12px;font-size:14px;font-family:var(--font-sans);color:var(--fg);background:hsl(0 0% 12% / 0.4);border:1px solid var(--border);border-radius:6px;outline:none;transition:all 0.2s}
.form-input::placeholder,.form-textarea::placeholder{color:var(--fg-muted)}
.form-input:hover,.form-textarea:hover{background:hsl(0 0% 12% / 0.6)}
.form-input:focus,.form-textarea:focus{background:hsl(0 0% 12% / 0.6);box-shadow:0 0 0 1px var(--ring),0 0 0 3px var(--bg)}
.form-input--focus{background:hsl(0 0% 12% / 0.6) !important;box-shadow:0 0 0 1px var(--ring),0 0 0 3px var(--bg) !important}
.form-input--error{border-color:var(--destructive) !important;box-shadow:0 0 0 1px var(--destructive),0 0 0 3px var(--bg) !important}
.form-textarea{height:auto;min-height:80px;padding:10px 12px;resize:vertical}
.form-state-label{font-size:11px;color:var(--fg-muted);margin-top:6px}

/* Spacing */
.spacing-row{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end}
.spacing-item{display:flex;flex-direction:column;align-items:center;gap:8px}
.spacing-block{height:40px;background:var(--primary);border-radius:3px;min-width:2px}
.spacing-value{font-family:var(--font-mono);font-size:11px;color:var(--fg-muted)}

/* Radius */
.radius-row{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}
.radius-item{display:flex;flex-direction:column;align-items:center;gap:8px}
.radius-box{width:64px;height:64px;border:2px solid var(--fg-muted);background:var(--card)}
.radius-label{font-family:var(--font-mono);font-size:12px;color:var(--fg)}
.radius-context{font-size:11px;color:var(--fg-muted)}

/* Elevation */
.elevation-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.elevation-card{background:var(--card);border-radius:10px;padding:24px;min-height:100px;display:flex;flex-direction:column;justify-content:flex-end}
.elevation-label{font-size:13px;font-weight:500;margin-bottom:4px}
.elevation-desc{font-size:12px;color:var(--fg-muted)}

/* Footer */
.footer{text-align:center;padding:48px 24px;font-size:13px;color:var(--fg-muted);border-top:1px solid var(--border)}
.footer a{color:var(--fg-muted);text-decoration:none;transition:color 0.2s}
.footer a:hover{color:var(--fg)}

/* Responsive */
@media(max-width:768px){
  .nav-links{display:none}
  .hero h1{font-size:32px}
  .color-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:1fr}
}
</style>
</head>
<body>

<nav class="nav">
  <div class="nav-start">
    <a class="nav-logo" href="https://github.com/FraterCCCLXIII/OpenHands-Design.md" target="_blank" rel="noopener noreferrer" aria-label="OpenHands">
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    <a class="nav-github" href="https://github.com/FraterCCCLXIII/OpenHands-Design.md" target="_blank" rel="noopener noreferrer" aria-label="OpenHands-Design.md on GitHub">
      <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor" aria-hidden="true"><path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2 .37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"/></svg>
      OpenHands-Design.md
    </a>
  </div>
  <ul class="nav-links">
    <li><a href="#colors">Colors</a></li>
    <li><a href="#typography">Typography</a></li>
    <li><a href="#buttons">Buttons</a></li>
    <li><a href="#cards">Cards</a></li>
    <li><a href="#forms">Forms</a></li>
    <li><a href="#spacing">Spacing</a></li>
    <li><a href="#radius">Radius</a></li>
    <li><a href="#elevation">Elevation</a></li>
  </ul>
</nav>

<section class="hero">
  <h1>OpenHands<br>Design System</h1>
  <p>A design token catalog generated from DESIGN.md. Every color, font, component, and spacing value, visualized on the near-black monochrome canvas.</p>
  <div class="hero-buttons">
    <a class="btn-dark" href="https://github.com/FraterCCCLXIII/OpenHands-Design.md" target="_blank">View Repository</a>
    <a class="btn-primary" href="#colors">Explore Tokens</a>
  </div>
</section>

<hr class="section-divider">

<!-- ==================== COLORS ==================== -->
<section class="section" id="colors">
  <div class="section-label">01 / Colors</div>
  <h2 class="section-title">Color Palette</h2>

  <div class="color-group-label">Core Surfaces</div>
  <div class="color-grid">
    <div class="color-swatch"><div class="color-swatch-block" style="background:#0d0d0d"></div><div class="color-swatch-info"><div class="color-swatch-name">background</div><div class="color-swatch-hex">#0d0d0d</div><div class="color-swatch-role">Page background, app shell</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#121212"></div><div class="color-swatch-info"><div class="color-swatch-name">card</div><div class="color-swatch-hex">#121212</div><div class="color-swatch-role">Card surfaces, elevated containers</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#141414"></div><div class="color-swatch-info"><div class="color-swatch-name">secondary</div><div class="color-swatch-hex">#141414</div><div class="color-swatch-role">Secondary surfaces, sidebar accent</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#1f1f1f"></div><div class="color-swatch-info"><div class="color-swatch-name">muted</div><div class="color-swatch-hex">#1f1f1f</div><div class="color-swatch-role">Hover fills, badges, tooltips</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#242424"></div><div class="color-swatch-info"><div class="color-swatch-name">border</div><div class="color-swatch-hex">#242424</div><div class="color-swatch-role">Borders, input borders, dividers</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#2e2e2e"></div><div class="color-swatch-info"><div class="color-swatch-name">muted-hover</div><div class="color-swatch-hex">#2e2e2e</div><div class="color-swatch-role">Hover on muted surfaces</div></div></div>
  </div>

  <div class="color-group-label">Core Text</div>
  <div class="color-grid">
    <div class="color-swatch"><div class="color-swatch-block" style="background:#fafafa"></div><div class="color-swatch-info"><div class="color-swatch-name">foreground</div><div class="color-swatch-hex">#fafafa</div><div class="color-swatch-role">Primary text, headings</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#8c8c8c"></div><div class="color-swatch-info"><div class="color-swatch-name">muted-foreground</div><div class="color-swatch-hex">#8c8c8c</div><div class="color-swatch-role">Secondary text, labels, placeholders</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#ffffff;border-bottom:1px solid hsl(0 0% 14%)"></div><div class="color-swatch-info"><div class="color-swatch-name">primary</div><div class="color-swatch-hex">#ffffff</div><div class="color-swatch-role">Maximum emphasis, button bg</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#000000"></div><div class="color-swatch-info"><div class="color-swatch-name">primary-foreground</div><div class="color-swatch-hex">#000000</div><div class="color-swatch-role">Text on white buttons</div></div></div>
  </div>

  <div class="color-group-label">Semantic / Status</div>
  <div class="color-grid">
    <div class="color-swatch"><div class="color-swatch-block" style="background:#22c55e"></div><div class="color-swatch-info"><div class="color-swatch-name">success</div><div class="color-swatch-hex">#22c55e</div><div class="color-swatch-role">Success states, running</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#86efac"></div><div class="color-swatch-info"><div class="color-swatch-name">success-foreground</div><div class="color-swatch-hex">#86efac</div><div class="color-swatch-role">Success text on dark</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#f59e0b"></div><div class="color-swatch-info"><div class="color-swatch-name">warning</div><div class="color-swatch-hex">#f59e0b</div><div class="color-swatch-role">Warning, caution badges</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#3b82f6"></div><div class="color-swatch-info"><div class="color-swatch-name">info</div><div class="color-swatch-hex">#3b82f6</div><div class="color-swatch-role">Informational, links</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#dc2626"></div><div class="color-swatch-info"><div class="color-swatch-name">destructive</div><div class="color-swatch-hex">#dc2626</div><div class="color-swatch-role">Error, danger, delete</div></div></div>
    <div class="color-swatch"><div class="color-swatch-block" style="background:#cccccc"></div><div class="color-swatch-info"><div class="color-swatch-name">ring</div><div class="color-swatch-hex">#cccccc</div><div class="color-swatch-role">Focus rings (1px, keyboard-only)</div></div></div>
  </div>

  <div class="color-group-label">Surface Scale (5% &rarr; 18% lightness)</div>
  <div style="display:flex;border-radius:10px;overflow:hidden;height:64px;border:1px solid var(--border);margin-bottom:24px">
    <div style="flex:1;background:#0d0d0d" title="5% — background"></div>
    <div style="flex:1;background:#121212" title="7% — card"></div>
    <div style="flex:1;background:#141414" title="8% — secondary"></div>
    <div style="flex:1;background:#1f1f1f" title="12% — muted"></div>
    <div style="flex:1;background:#242424" title="14% — border"></div>
    <div style="flex:1;background:#2e2e2e" title="18% — muted-hover"></div>
  </div>
  <div style="display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11px;color:var(--fg-muted);margin-bottom:8px">
    <span>5%</span><span>7%</span><span>8%</span><span>12%</span><span>14%</span><span>18%</span>
  </div>
</section>

<hr class="section-divider">

<!-- ==================== TYPOGRAPHY ==================== -->
<section class="section" id="typography">
  <div class="section-label">02 / Typography</div>
  <h2 class="section-title">Typography Scale</h2>

  <div class="type-sample"><div style="font-size:30px;font-weight:600;line-height:1.2;letter-spacing:-0.5px">Hero Heading (text-3xl)</div><div class="type-meta">30px / 600 / 1.2 / -0.5px / Inter</div></div>
  <div class="type-sample"><div style="font-size:24px;font-weight:600;line-height:1.25;letter-spacing:-0.3px">Page Heading (text-2xl)</div><div class="type-meta">24px / 600 / 1.25 / -0.3px / Inter</div></div>
  <div class="type-sample"><div style="font-size:20px;font-weight:600;line-height:1.3">Sub-heading (text-xl)</div><div class="type-meta">20px / 600 / 1.3 / Inter</div></div>
  <div class="type-sample"><div style="font-size:18px;font-weight:600;line-height:1.4">Section Title (text-lg)</div><div class="type-meta">18px / 600 / 1.4 / Inter</div></div>
  <div class="type-sample"><div style="font-size:16px;font-weight:400;line-height:1.5">Body Large — Larger body text for chat messages and hero content. (text-base)</div><div class="type-meta">16px / 400 / 1.5 / Inter</div></div>
  <div class="type-sample"><div style="font-size:14px;font-weight:400;line-height:1.5">Body — Standard UI text for labels, descriptions, and interface elements. (text-sm)</div><div class="type-meta">14px / 400 / 1.5 / Inter — primary body size (711 uses)</div></div>
  <div class="type-sample"><div style="font-size:14px;font-weight:500;line-height:1.5">Label — Form labels, nav items, and badges. (text-sm font-medium)</div><div class="type-meta">14px / 500 / 1.5 / Inter — label weight (304 uses)</div></div>
  <div class="type-sample"><div style="font-size:12px;font-weight:400;line-height:1.5;color:var(--fg-muted)">Secondary — Metadata, captions, and small labels. (text-xs)</div><div class="type-meta">12px / 400 / 1.5 / Inter — secondary size (427 uses)</div></div>
  <div class="type-sample"><div style="font-family:var(--font-mono);font-size:14px;font-weight:400;line-height:1.6">const design = await openHands.init({ tokens: true });</div><div class="type-meta">14px / 400 / 1.6 / JetBrains Mono — code / technical text</div></div>
  <div class="type-sample"><div style="font-size:11px;font-weight:500;line-height:1.27;text-transform:uppercase;letter-spacing:1.5px;color:var(--fg-muted)">SYSTEM CATEGORY</div><div class="type-meta">11px / 500 / uppercase / tracking-wide — section labels</div></div>
</section>

<hr class="section-divider">

<!-- ==================== BUTTONS ==================== -->
<section class="section" id="buttons">
  <div class="section-label">03 / Buttons</div>
  <h2 class="section-title">Button Variants</h2>
  <div class="button-row">
    <div class="button-item"><a class="btn-dark" href="#">Save Changes</a><div class="button-label">default</div></div>
    <div class="button-item"><a class="btn-destructive" href="#">Delete</a><div class="button-label">destructive</div></div>
    <div class="button-item"><a class="btn-outline" href="#">Cancel</a><div class="button-label">outline</div></div>
    <div class="button-item"><a class="btn-primary" href="#">Settings</a><div class="button-label">secondary</div></div>
    <div class="button-item"><a class="btn-muted" href="#">Archive</a><div class="button-label">muted</div></div>
    <div class="button-item"><a class="btn-ghost" href="#">Learn More</a><div class="button-label">ghost</div></div>
    <div class="button-item"><a href="#" style="font-size:14px;color:var(--primary);text-decoration:none;text-underline-offset:4px" onmouseover="this.style.textDecoration='underline'" onmouseout="this.style.textDecoration='none'">View docs</a><div class="button-label">link</div></div>
  </div>

  <div style="margin-top:40px">
    <div class="color-group-label">Status Pills</div>
    <div class="button-row">
      <div class="button-item"><span style="display:inline-block;background:hsl(142 71% 45% / 0.1);color:var(--success-fg);padding:3px 10px;border-radius:9999px;font-size:12px;font-weight:500">Success</span><div class="button-label">success</div></div>
      <div class="button-item"><span style="display:inline-block;background:hsl(38 92% 50% / 0.15);color:var(--warning);padding:3px 10px;border-radius:9999px;font-size:12px;font-weight:500">Warning</span><div class="button-label">warning</div></div>
      <div class="button-item"><span style="display:inline-block;background:hsl(217 91% 60% / 0.15);color:var(--info);padding:3px 10px;border-radius:9999px;font-size:12px;font-weight:500">Info</span><div class="button-label">info</div></div>
      <div class="button-item"><span style="display:inline-block;background:hsl(0 72% 51% / 0.1);color:var(--destructive);padding:3px 10px;border-radius:9999px;font-size:12px;font-weight:500">Error</span><div class="button-label">destructive</div></div>
    </div>
  </div>
</section>

<hr class="section-divider">

<!-- ==================== CARDS ==================== -->
<section class="section" id="cards">
  <div class="section-label">04 / Cards</div>
  <h2 class="section-title">Card Examples</h2>
  <div class="card-grid">
    <div class="card">
      <div class="card-badge" style="background:hsl(142 71% 45% / 0.1);color:var(--success-fg)">Standard</div>
      <h3>Standard Card</h3>
      <p>bg-card border border-border rounded-lg p-4. The workhorse container for settings panels, content sections, and list items.</p>
    </div>
    <div class="card" style="box-shadow:var(--shadow-card);border-radius:12px;padding:24px">
      <div class="card-badge" style="background:hsl(217 91% 60% / 0.15);color:var(--info)">Elevated</div>
      <h3>Elevated Card</h3>
      <p>bg-card border border-border rounded-xl p-6 shadow-lg. For modals, dialogs, and featured content that needs to float above the surface.</p>
    </div>
    <div class="card" style="border-color:var(--border-hover)">
      <div class="card-badge" style="background:hsl(38 92% 50% / 0.15);color:var(--warning)">Interactive</div>
      <h3>Interactive Card</h3>
      <p>hover:border-white/30. Cards that respond to hover with a subtle border brightening to indicate they are clickable.</p>
    </div>
  </div>
</section>

<hr class="section-divider">

<!-- ==================== FORMS ==================== -->
<section class="section" id="forms">
  <div class="section-label">05 / Forms</div>
  <h2 class="section-title">Form Elements</h2>
  <div class="form-group"><label class="form-label">Project Name</label><input class="form-input" type="text" placeholder="my-openhands-project"><div class="form-state-label">Default (border-border, bg-muted/40)</div></div>
  <div class="form-group"><label class="form-label">Repository</label><input class="form-input form-input--focus" type="text" value="openhands/agent"><div class="form-state-label">Focus (ring-1, ring-ring, bg-muted/60)</div></div>
  <div class="form-group"><label class="form-label">API Key</label><input class="form-input form-input--error" type="text" value="invalid-key-123"><div class="form-state-label">Error (border-destructive)</div></div>
  <div class="form-group"><label class="form-label">Instructions</label><textarea class="form-textarea" placeholder="Describe the task for the agent..."></textarea></div>
  <div class="form-group">
    <label class="form-label">Framework</label>
    <div style="position:relative">
      <select class="form-input" style="appearance:none;padding-right:36px;cursor:pointer">
        <option>React + Tailwind</option>
        <option>Next.js</option>
        <option>Vue</option>
      </select>
      <svg style="position:absolute;right:12px;top:50%;transform:translateY(-50%);pointer-events:none" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="m6 9 6 6 6-6"/></svg>
    </div>
    <div class="form-state-label">NativeSelect (appearance: none, chevron overlay)</div>
  </div>
</section>

<hr class="section-divider">

<!-- ==================== SPACING ==================== -->
<section class="section" id="spacing">
  <div class="section-label">06 / Spacing</div>
  <h2 class="section-title">Spacing Scale</h2>
  <div class="spacing-row">
    <div class="spacing-item"><div class="spacing-block" style="width:4px"></div><div class="spacing-value">4 (gap-1)</div></div>
    <div class="spacing-item"><div class="spacing-block" style="width:6px"></div><div class="spacing-value">6 (gap-1.5)</div></div>
    <div class="spacing-item"><div class="spacing-block" style="width:8px"></div><div class="spacing-value">8 (gap-2)</div></div>
    <div class="spacing-item"><div class="spacing-block" style="width:12px"></div><div class="spacing-value">12 (gap-3)</div></div>
    <div class="spacing-item"><div class="spacing-block" style="width:16px"></div><div class="spacing-value">16 (gap-4)</div></div>
    <div class="spacing-item"><div class="spacing-block" style="width:24px"></div><div class="spacing-value">24 (gap-6)</div></div>
    <div class="spacing-item"><div class="spacing-block" style="width:32px"></div><div class="spacing-value">32 (gap-8)</div></div>
    <div class="spacing-item"><div class="spacing-block" style="width:48px"></div><div class="spacing-value">48 (gap-12)</div></div>
  </div>

  <div style="margin-top:40px">
    <div class="color-group-label">Padding Patterns</div>
    <div style="display:flex;flex-wrap:wrap;gap:16px;margin-top:12px">
      <div style="background:var(--card);border:1px solid var(--border);border-radius:6px;padding:8px 12px;font-size:12px;color:var(--fg-muted)">px-3 py-2 <span style="color:var(--fg)">compact</span></div>
      <div style="background:var(--card);border:1px solid var(--border);border-radius:6px;padding:8px 16px;font-size:12px;color:var(--fg-muted)">px-4 py-2 <span style="color:var(--fg)">standard</span></div>
      <div style="background:var(--card);border:1px solid var(--border);border-radius:6px;padding:16px;font-size:12px;color:var(--fg-muted)">p-4 <span style="color:var(--fg)">card</span></div>
      <div style="background:var(--card);border:1px solid var(--border);border-radius:6px;padding:24px;font-size:12px;color:var(--fg-muted)">p-6 <span style="color:var(--fg)">dialog</span></div>
    </div>
  </div>
</section>

<hr class="section-divider">

<!-- ==================== RADIUS ==================== -->
<section class="section" id="radius">
  <div class="section-label">07 / Radius</div>
  <h2 class="section-title">Border Radius Scale</h2>
  <div class="radius-row">
    <div class="radius-item"><div class="radius-box" style="border-radius:2px"></div><div class="radius-label">2px</div><div class="radius-context">rounded-sm</div></div>
    <div class="radius-item"><div class="radius-box" style="border-radius:4px"></div><div class="radius-label">4px</div><div class="radius-context">rounded-md</div></div>
    <div class="radius-item"><div class="radius-box" style="border-radius:6px"></div><div class="radius-label">6px</div><div class="radius-context">rounded-lg</div></div>
    <div class="radius-item"><div class="radius-box" style="border-radius:12px"></div><div class="radius-label">12px</div><div class="radius-context">rounded-modal</div></div>
    <div class="radius-item"><div class="radius-box" style="border-radius:16px"></div><div class="radius-label">16px</div><div class="radius-context">rounded-2xl</div></div>
    <div class="radius-item"><div class="radius-box" style="border-radius:9999px"></div><div class="radius-label">9999px</div><div class="radius-context">rounded-full</div></div>
  </div>
</section>

<hr class="section-divider">

<!-- ==================== ELEVATION ==================== -->
<section class="section" id="elevation">
  <div class="section-label">08 / Elevation</div>
  <h2 class="section-title">Elevation &amp; Depth</h2>
  <div class="elevation-grid">
    <div class="elevation-card" style="border:1px solid var(--border)"><div class="elevation-label">Level 0: Flat</div><div class="elevation-desc">No shadow, bg-background</div></div>
    <div class="elevation-card" style="border:1px solid var(--border);box-shadow:0 1px 2px 0 hsl(0 0% 0% / 0.3)"><div class="elevation-label">Level 1: Surface</div><div class="elevation-desc">shadow-card + border</div></div>
    <div class="elevation-card" style="border:1px solid var(--border);box-shadow:0 4px 6px -1px hsl(0 0% 0% / 0.3),0 2px 4px -2px hsl(0 0% 0% / 0.3)"><div class="elevation-label">Level 2: Raised</div><div class="elevation-desc">shadow-md — dropdowns, popovers</div></div>
    <div class="elevation-card" style="border:1px solid var(--border);box-shadow:0 10px 15px -3px hsl(0 0% 0% / 0.3),0 4px 6px -4px hsl(0 0% 0% / 0.3)"><div class="elevation-label">Level 3: Floating</div><div class="elevation-desc">shadow-lg — modals, dialogs</div></div>
    <div class="elevation-card" style="border:1px solid var(--border);box-shadow:0 20px 25px -5px hsl(0 0% 0% / 0.3),0 8px 10px -6px hsl(0 0% 0% / 0.3)"><div class="elevation-label">Level 4: Overlay</div><div class="elevation-desc">shadow-xl — full-screen overlays</div></div>
    <div class="elevation-card" style="border:1px solid var(--border);box-shadow:0 0 0 1px var(--ring),0 0 0 3px var(--bg)"><div class="elevation-label">Focus Ring</div><div class="elevation-desc">ring-1 ring-ring ring-offset-2</div></div>
  </div>
</section>

<footer class="footer">
  <a href="https://github.com/FraterCCCLXIII/OpenHands-Design.md" target="_blank" rel="noopener noreferrer">OpenHands-Design.md</a> &mdash; Design tokens for the OpenHands UI
</footer>

</body>
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