/*
  HTML Reference Demo Styles
  Visual demonstrations showing rendered HTML alongside source code
*/

/* ===========================================
   Demo Container
   =========================================== */
.html-demo {
  border: 2px solid var(--sand-4);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  background-color: var(--background-1);
  box-shadow: var(--shadow-sm);
}

/* ===========================================
   Rendered Output Section
   =========================================== */
.demo-rendered {
  padding: var(--space-lg);
  background-color: var(--background-1);
  border-bottom: 2px solid var(--sand-4);
  position: relative;
}

.demo-rendered::before {
  content: "Rendered";
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--cyan-8);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--cyan-1);
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* Reset some styles within demo-rendered to show default HTML rendering */
.demo-rendered h1,
.demo-rendered h2,
.demo-rendered h3,
.demo-rendered h4,
.demo-rendered h5,
.demo-rendered h6 {
  margin-top: var(--space-sm);
  margin-bottom: var(--space-sm);
  border-bottom: none;
  padding-bottom: 0;
}

.demo-rendered h1:first-of-type,
.demo-rendered h2:first-of-type,
.demo-rendered h3:first-of-type,
.demo-rendered h4:first-of-type,
.demo-rendered h5:first-of-type,
.demo-rendered h6:first-of-type {
  margin-top: 0;
}

.demo-rendered p:last-child {
  margin-bottom: 0;
}

.demo-rendered ul:last-child,
.demo-rendered ol:last-child {
  margin-bottom: 0;
}

.demo-rendered blockquote {
  margin: 0;
}

.demo-rendered table {
  margin-bottom: 0;
}

/* ===========================================
   Code Section
   =========================================== */
.demo-code {
  background-color: var(--sand-15);
  position: relative;
}

.demo-code::before {
  content: "HTML";
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--orange-4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-sm) var(--space-lg);
  padding-bottom: 0;
}

.demo-code pre {
  margin: 0;
  border-radius: 0;
  box-shadow: none;
  padding-top: var(--space-sm);
}

.demo-code pre code {
  font-size: var(--text-sm);
}

/* ===========================================
   Heading Hierarchy Demo
   Special styling for the heading scale demo
   =========================================== */
.demo-heading-scale .demo-rendered {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.demo-heading-scale .demo-rendered h1,
.demo-heading-scale .demo-rendered h2,
.demo-heading-scale .demo-rendered h3,
.demo-heading-scale .demo-rendered h4,
.demo-heading-scale .demo-rendered h5,
.demo-heading-scale .demo-rendered h6 {
  margin: 0;
  padding: var(--space-xs) 0;
  position: relative;
  padding-left: 4rem;
}

.demo-heading-scale .demo-rendered h1::before,
.demo-heading-scale .demo-rendered h2::before,
.demo-heading-scale .demo-rendered h3::before,
.demo-heading-scale .demo-rendered h4::before,
.demo-heading-scale .demo-rendered h5::before,
.demo-heading-scale .demo-rendered h6::before {
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--text-3);
  background-color: var(--sand-3);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  top: 50%;
  transform: translateY(-50%);
}

.demo-heading-scale .demo-rendered h1::before { content: "<h1>"; }
.demo-heading-scale .demo-rendered h2::before { content: "<h2>"; }
.demo-heading-scale .demo-rendered h3::before { content: "<h3>"; }
.demo-heading-scale .demo-rendered h4::before { content: "<h4>"; }
.demo-heading-scale .demo-rendered h5::before { content: "<h5>"; }
.demo-heading-scale .demo-rendered h6::before { content: "<h6>"; }

/* ===========================================
   Semantic Element Callouts
   For explaining non-visual semantic elements
   =========================================== */
.semantic-note {
  background-color: var(--indigo-1);
  border-left: 4px solid var(--indigo-6);
  padding: var(--space-md) var(--space-lg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: var(--space-md);
}

.semantic-note p {
  margin: 0;
  color: var(--indigo-12);
  font-size: var(--text-sm);
}

.semantic-note strong {
  color: var(--indigo-13);
}

/* ===========================================
   Demo Grid
   For showing multiple related elements
   =========================================== */
.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.demo-grid .html-demo {
  margin-bottom: 0;
}

/* ===========================================
   Inline Elements Demo
   Side-by-side comparison
   =========================================== */
.demo-inline-comparison {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  align-items: center;
  padding: var(--space-md) 0;
}

.demo-inline-comparison > * {
  flex: 1 1 auto;
}

/* ===========================================
   Image Demo Placeholder
   =========================================== */
.demo-image-placeholder {
  background: linear-gradient(135deg, var(--sand-3) 0%, var(--sand-4) 100%);
  border: 2px dashed var(--sand-5);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: var(--text-sm);
  min-height: 150px;
  aspect-ratio: 16 / 9;
  max-width: 400px;
}

.demo-image-placeholder::before {
  content: "Image Placeholder";
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===========================================
   Table Demo
   Ensure table looks good in demo context
   =========================================== */
.demo-rendered table {
  font-size: var(--text-sm);
}

.demo-rendered thead {
  background-color: var(--sand-13);
}

.demo-rendered th,
.demo-rendered td {
  padding: var(--space-xs) var(--space-sm);
}

/* ===========================================
   Responsive Adjustments
   =========================================== */
@media (max-width: 768px) {
  .html-demo {
    margin-bottom: var(--space-md);
  }

  .demo-rendered {
    padding: var(--space-md);
  }

  .demo-code pre {
    padding: var(--space-md);
  }

  .demo-heading-scale .demo-rendered h1,
  .demo-heading-scale .demo-rendered h2,
  .demo-heading-scale .demo-rendered h3,
  .demo-heading-scale .demo-rendered h4,
  .demo-heading-scale .demo-rendered h5,
  .demo-heading-scale .demo-rendered h6 {
    padding-left: 3.5rem;
  }

  .demo-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .demo-rendered {
    padding: var(--space-sm);
  }

  .demo-rendered::before {
    font-size: 0.65rem;
    padding: 0.2em 0.4em;
    margin-bottom: var(--space-sm);
  }

  .demo-code::before {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.65rem;
  }

  .demo-code pre {
    padding: var(--space-sm);
    font-size: var(--text-xs);
  }
}

/* ===========================================
   Print Styles
   =========================================== */
@media print {
  .html-demo {
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }

  .demo-rendered {
    background: white;
    border-bottom: 1px solid #ccc;
  }

  .demo-rendered::before {
    background: #f0f0f0;
    color: #333;
  }

  .demo-code {
    background: #f5f5f5;
  }

  .demo-code::before {
    color: #666;
  }

  .demo-code pre {
    background: #f5f5f5;
  }
}