/* Project template styles */
.project-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.project-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}

.sidebar-controls {
  background-color: var(--bg-bright-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 0.75rem 0.9rem;
  margin-bottom: 1.5rem;
}

.sidebar-controls label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.sidebar-controls select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background-color: var(--bg-color);
  color: var(--text-color);
  font-size: 0.95rem;
}

.sidebar-controls select:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

.sidebar-navigation {
  margin-bottom: 2rem;
}

.sidebar-navigation ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.95rem;
}

.sidebar-navigation li {
  margin: 0;
}

.sidebar-navigation > ul > li > a {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--text-color);
  text-decoration: none;
  border-radius: var(--radius);
  transition: background-color 0.2s ease;
}

.sidebar-navigation > ul > li > a:hover {
  background-color: var(--bg-bright-color);
}

.sidebar-navigation > ul > li > a.active {
  background-color: var(--accent-color);
  color: white;
  font-weight: 600;
}

.sidebar-navigation details {
  margin-bottom: 0.25rem;
}

.sidebar-navigation details summary {
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  color: var(--text-color);
  border-radius: var(--radius);
  transition: background-color 0.2s ease;
}

.sidebar-navigation details summary:hover {
  background-color: var(--bg-bright-color);
}

.sidebar-navigation details[open] summary {
  background-color: var(--bg-bright-color);
}

.sidebar-navigation details ul {
  padding-left: 1rem;
  margin-top: 0.25rem;
}

.sidebar-navigation details ul li > a {
  display: block;
  padding: 0.4rem 0.75rem;
  color: var(--text-color);
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: background-color 0.2s ease;
}

.sidebar-navigation details ul li > a:hover {
  background-color: var(--bg-bright-color);
}

.sidebar-navigation details ul li > a.active {
  background-color: var(--accent-color);
  color: white;
  font-weight: 600;
}

.project-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--border-color);
}

.project-title {
  margin: 0 0 0.5rem;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent-color);
}

.project-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

.project-meta strong {
  color: var(--text-color);
}

/* Navigation breadcrumb */
.breadcrumb {
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--accent-color);
  text-decoration: none;
  transition: var(--transition);
}

.breadcrumb a:hover,
.breadcrumb a:focus {
  color: var(--accent-secondary);
  text-decoration: underline;
  outline: none;
}

.breadcrumb span {
  margin: 0 0.5rem;
}

/* Main content area */
.project-content {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

/* Typography for content */
.project-content h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin: 2rem 0 1rem;
  color: var(--text-color);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.project-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 1.5rem 0 0.75rem;
  color: var(--text-color);
}

.project-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.25rem 0 0.5rem;
  color: var(--text-color);
}

.project-content p {
  font-size: 1rem;
  line-height: 1.8;
  margin: 1rem 0;
  color: var(--text-color);
}

.project-content a {
  color: var(--accent-color);
  text-decoration: none;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.project-content a:hover,
.project-content a:focus {
  color: var(--accent-secondary);
  border-bottom-color: var(--accent-color);
  outline: none;
}

/* Code blocks */
.project-content code {
  background-color: var(--bg-bright-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
  font-size: 0.875rem;
  color: var(--accent-color);
}

.project-content pre {
  background-color: var(--bg-bright-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  position: relative;
}

.project-content pre code {
  background-color: transparent;
  border: none;
  padding: 0;
  color: var(--text-color);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Lists */
.project-content ul,
.project-content ol {
  margin: 1rem 0;
  padding-left: 2rem;
  line-height: 1.8;
}

.project-content li {
  margin: 0.5rem 0;
  color: var(--text-color);
}

/* Blockquotes */
.project-content blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  background-color: var(--bg-accent);
  border-left: 4px solid var(--accent-color);
  border-radius: 4px;
  color: var(--text-muted);
  font-style: italic;
}

.project-content blockquote p:first-child {
  margin-top: 0;
}

.project-content blockquote p:last-child {
  margin-bottom: 0;
}

/* Tables */
.project-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
}

.project-content th,
.project-content td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.project-content th {
  background-color: var(--bg-accent);
  font-weight: 600;
  color: var(--accent-color);
}

.project-content tr:last-child td {
  border-bottom: none;
}

/* Alert boxes */
.alert {
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: var(--radius);
  border-left: 4px solid;
  background-color: var(--bg-accent);
}

.alert-info {
  border-left-color: var(--accent-color);
  color: var(--text-color);
}

.alert-success {
  border-left-color: var(--success-color);
  color: var(--text-color);
}

.alert-warning {
  border-left-color: #d29922;
  color: var(--text-color);
}

.alert-danger {
  border-left-color: var(--danger-color);
  color: var(--text-color);
}

/* Back button */
.back-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-color);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: var(--transition);
  font-weight: 500;
}

.back-button:hover,
.back-button:focus {
  color: var(--accent-secondary);
  outline: none;
}

.back-button::before {
  content: '←';
  display: inline-block;
  transition: transform 0.3s ease;
}

.back-button:hover::before {
  transform: translateX(-4px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .project-layout {
    grid-template-columns: 1fr;
  }

  .project-sidebar {
    position: relative;
    top: auto;
    order: -1;
  }

  .table-of-contents {
    position: relative;
    top: auto;
  }

  .project-title {
    font-size: 1.75rem;
  }

  .project-content h2 {
    font-size: 1.5rem;
  }

  .project-content h3 {
    font-size: 1.1rem;
  }

  .project-content p {
    font-size: 0.95rem;
  }

  .project-content ul,
  .project-content ol {
    padding-left: 1.5rem;
  }

  .project-content table {
    font-size: 0.9rem;
  }

  .project-content th,
  .project-content td {
    padding: 0.5rem 0.75rem;
  }
}

@media (max-width: 480px) {
  .project-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
  }

  .project-title {
    font-size: 1.5rem;
  }

  .project-content {
    max-width: 100%;
  }

  .project-content h2 {
    font-size: 1.25rem;
    margin: 1.5rem 0 0.75rem;
  }

  .project-content h3 {
    font-size: 1rem;
  }

  .project-content p {
    font-size: 0.9rem;
  }

  .project-content pre {
    padding: 0.75rem;
    font-size: 0.8rem;
    overflow-x: auto;
  }
}

/* Table of contents */
.table-of-contents {
  position: sticky;
  top: 90px;
  background-color: var(--bg-bright-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1rem 0.9rem;
  margin-bottom: 2rem;
}

.table-of-contents h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table-of-contents ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.table-of-contents li {
  margin: 0.5rem 0;
}

.toc-level-1 a { padding-left: 0; }
.toc-level-2 a { padding-left: 0.5rem; }
.toc-level-3 a { padding-left: 1rem; }
.toc-level-4 a { padding-left: 1.5rem; }

.table-of-contents a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
  display: block;
  padding: 0.25rem 0;
}

.table-of-contents a:hover {
  color: var(--accent-color);
  padding-left: 0.5rem;
}

.table-of-contents a.active {
  color: var(--accent-color);
  font-weight: 600;
  border-left: 2px solid var(--accent-color);
  padding-left: 0.5rem;
}

/* Images in content */
.project-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 1.5rem 0;
  display: block;
}

.project-content figure {
  margin: 1.5rem 0;
}

.project-content figcaption {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-style: italic;
}

/* Horizontal rule */
.project-content hr {
  border: none;
  border-top: 2px solid var(--border-color);
  margin: 2rem 0;
}

/* Definition lists */
.project-content dl {
  margin: 1.5rem 0;
}

.project-content dt {
  font-weight: 600;
  color: var(--accent-color);
  margin-top: 1rem;
}

.project-content dd {
  margin: 0.5rem 0 0 1.5rem;
  color: var(--text-muted);
}

/* Keyboard shortcuts */
.project-content kbd {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.85rem;
  line-height: 1;
  background-color: var(--bg-bright-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Code language badge */
.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  background-color: var(--bg-accent);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  font-size: 0.875rem;
}

.code-language {
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.copy-button {
  padding: 0.25rem 0.75rem;
  background-color: var(--bg-bright-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-color);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

.copy-button:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--bg-color);
}

/* Related projects */
.related-projects {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border-color);
}

.related-projects h3 {
  margin: 0 0 1.5rem;
  font-size: 1.5rem;
  font-weight: 800;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.related-card {
  padding: 1rem;
  background-color: var(--bg-bright-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text-color);
  transition: var(--transition);
}

.related-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.related-card h4 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-color);
}

.related-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Navigation arrows */
.project-navigation {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border-color);
}

.nav-button {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background-color: var(--bg-bright-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text-color);
  transition: var(--transition);
  max-width: 45%;
}

.nav-button:hover {
  border-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.nav-button.prev {
  align-items: flex-start;
}

.nav-button.next {
  align-items: flex-end;
}

.nav-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.nav-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-color);
}

/* Version selector */
.version-selector {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--bg-bright-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--text-color);
  cursor: pointer;
  transition: var(--transition);
}

.version-selector:hover {
  border-color: var(--accent-color);
}

/* Footnotes */
.footnotes {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
}

.footnotes ol {
  padding-left: 1.5rem;
}

.footnotes li {
  color: var(--text-muted);
}

/* Print styles */
@media print {
  .app-header,
  .app-footer,
  .breadcrumb,
  .back-button,
  .project-navigation,
  .related-projects {
    display: none;
  }

  .project-content {
    max-width: 100%;
  }

  body {
    background-color: white;
    color: black;
  }
}

/* Accessibility improvements */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Additional tablet responsive adjustments */
@media (max-width: 1024px) {
  .table-of-contents {
    position: relative;
    top: 0;
  }

  .nav-button {
    max-width: 48%;
  }
}