/* STREAMING_CHUNK:Defining design tokens and CSS variables... */
:root {
  --color-bg: #1e1e1e;
  --color-surface: #282828;
  --color-card: #2d2d2d;
  --color-text: #f5f5f5;
  --color-text-muted: #b0b0b0;
  --color-accent: #0088cc;
  --color-accent-hover: #0aa0e6;
  --color-border: #404040;
  --color-error: #ff4d4d;
  --color-success: #4dff79;

  --font-body:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;

  --max-width: 1200px;
}

/* STREAMING_CHUNK:Setting global resets... */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* STREAMING_CHUNK:Styling accessibility focus ring... */
:focus-visible {
  outline: 3px solid var(--color-accent-hover) !important;
  outline-offset: 3px !important;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-accent);
  color: #ffffff;
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
  text-decoration: none;
  font-weight: bold;
  border-radius: 4px;
  transition: top 0.2s ease-in-out;
}

.skip-link:focus {
  top: 1rem;
}

/* STREAMING_CHUNK:Styling layout wrapper and headers... */
.site-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
}

header.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

.header-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  color: var(--color-text);
}

.logo-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-accent);
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
}

.site-title {
  font-size: 1.2rem;
  font-weight: bold;
  display: block;
  color: #ffffff;
}

.site-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* STREAMING_CHUNK:Styling navigation links... */
nav.main-nav ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: var(--space-xs);
}

nav.main-nav a {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-text);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid transparent;
}

nav.main-nav a:hover,
nav.main-nav a:focus {
  background-color: var(--color-bg);
  border-color: var(--color-border);
  color: var(--color-accent-hover);
}

nav.main-nav a[aria-current="page"] {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* STREAMING_CHUNK:Styling main body and cards... */
main.main {
  flex: 1;
  padding: var(--space-lg) 0;
}

h1,
h2,
h3 {
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: 2rem;
}
h2 {
  font-size: 1.5rem;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--space-xs);
  margin-top: var(--space-lg);
}
h3 {
  font-size: 1.2rem;
}

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-accent-hover);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
  margin-bottom: var(--space-lg);
}

.card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-md);
}

.callout {
  background-color: #1a2f42;
  border-left: 5px solid var(--color-accent);
  padding: var(--space-md);
  border-radius: 0 8px 8px 0;
  margin-bottom: var(--space-lg);
}

.styled-list {
  padding-left: 1.25rem;
  margin-bottom: var(--space-md);
}

.styled-list li {
  margin-bottom: var(--space-xs);
}

/* STREAMING_CHUNK:Styling tables and forms... */
.table-container {
  overflow-x: auto;
  margin-bottom: var(--space-lg);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-surface);
  text-align: left;
}

.data-table caption {
  caption-side: top;
  text-align: left;
  font-weight: bold;
  margin-bottom: var(--space-xs);
  color: var(--color-text-muted);
}

.data-table th,
.data-table td {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
}

.data-table thead tr {
  background-color: #111;
  color: #fff;
}

.form-group {
  margin-bottom: var(--space-md);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.required-asterisk {
  color: var(--color-error);
  font-size: 0.85rem;
}

input,
select,
textarea {
  width: 100%;
  padding: var(--space-sm);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
}

button.btn {
  background-color: var(--color-accent);
  color: #ffffff;
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
}

button.btn:hover {
  background-color: var(--color-accent-hover);
}

/* STREAMING_CHUNK:Styling footer... */
footer.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md) 0;
  margin-top: auto;
  font-size: 0.875rem;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.footer-title {
  font-weight: bold;
  color: #ffffff;
  margin-bottom: 0;
}

.footer-desc,
.footer-note {
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* ... existing code ... */
.callout {
  background-color: #1a2f42;
  border-left: 5px solid var(--color-accent);
  padding: var(--space-md);
  border-radius: 0 8px 8px 0;
  margin-bottom: var(--space-lg);
}

/* STREAMING_CHUNK:Styling figures, images, and visual comparison elements... */
figure.media-figure {
  margin: 0 0 var(--space-md) 0;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

figure.media-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

figcaption {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  background-color: #1a1a1a;
  border-top: 1px solid var(--color-border);
  line-height: 1.4;
}

.hero-banner {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: var(--space-lg);
  border: 1px solid var(--color-border);
}

.hero-banner img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  filter: brightness(0.45);
  display: block;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #ffffff;
}

.visual-comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin: var(--space-md) 0 var(--space-lg) 0;
}

.example-box {
  border-radius: 8px;
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  background-color: var(--color-surface);
}

.example-box.good {
  border-color: var(--color-success);
  background-color: rgba(77, 255, 121, 0.05);
}

.example-box.bad {
  border-color: var(--color-error);
  background-color: rgba(255, 77, 77, 0.05);
}

.example-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: bold;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.example-box.good .example-badge {
  background-color: var(--color-success);
  color: #000000;
}

.example-box.bad .example-badge {
  background-color: var(--color-error);
  color: #ffffff;
}

.preview-target-size {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.target-demo {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: #ffffff;
  font-weight: bold;
  border-radius: 4px;
}

.styled-list {
  padding-left: 1.25rem;
  margin-bottom: var(--space-md);
}
/* ... existing code ... */