/* Lansing Tech Studio - Site Styles */

:root {
  /* Color palette */
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary-color: #10b981;
  --accent-color: #f59e0b;
  
  /* Neutral colors */
  --bg-color: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-color: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  
  /* Sizing */
  --sidebar-width: 280px;
  --header-height: 60px;
  --content-max-width: 900px;
  --spacing-unit: 1rem;
  
  /* Typography */
  --font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Roboto", "Oxygen", "Ubuntu", sans-serif;
  --font-mono: "Cascadia Code", "Fira Code", "Consolas", monospace;
}

/* Reset and base */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-color);
  background-color: var(--bg-color);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--primary-color);
  color: white;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--spacing-unit);
  max-width: 1400px;
  margin: 0 auto;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.125rem;
}

.logo-img {
  height: 40px;
  width: auto;
}

.site-title {
  white-space: nowrap;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.hamburger {
  display: block;
  width: 24px;
  height: 3px;
  background: white;
  position: relative;
  transition: background 0.2s;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 24px;
  height: 3px;
  background: white;
  transition: transform 0.2s;
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.nav-toggle.active .hamburger {
  background: transparent;
}

.nav-toggle.active .hamburger::before {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.active .hamburger::after {
  transform: translateY(-8px) rotate(-45deg);
}

/* Page layout */
.page-wrapper {
  display: flex;
  padding-top: var(--header-height);
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  padding: var(--spacing-unit) 0;
}

/* Navigation */
.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item > a {
  display: block;
  padding: 0.75rem var(--spacing-unit);
  color: var(--text-color);
  text-decoration: none;
  font-weight: 600;
  border-left: 3px solid transparent;
  transition: all 0.2s;
}

.nav-item.has-subnav > .nav-item-header {
  display: flex;
  align-items: center;
  border-left: 3px solid transparent;
  transition: all 0.2s;
}

.nav-item.has-subnav > .nav-item-header > a {
  flex: 1;
  padding: 0.75rem var(--spacing-unit);
  color: var(--text-color);
  text-decoration: none;
  font-weight: 600;
  border-left: none;
}

.nav-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-right: 0.5rem;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s;
}

.nav-toggle-btn:hover {
  background: var(--bg-tertiary);
  color: var(--primary-color);
}

.nav-chevron {
  transition: transform 0.2s ease;
}

.nav-item.expanded .nav-chevron {
  transform: rotate(180deg);
}

.nav-team.expanded > .nav-team-header .nav-chevron {
  transform: rotate(180deg);
}

.nav-item > a:hover,
.nav-item.active > a,
.nav-item.has-subnav > .nav-item-header:hover,
.nav-item.has-subnav.active > .nav-item-header {
  background: var(--bg-tertiary);
  border-left-color: var(--primary-color);
}

.nav-item.has-subnav > .nav-item-header:hover > a,
.nav-item.has-subnav.active > .nav-item-header > a {
  color: var(--primary-color);
}

.nav-subnav {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.nav-item.expanded .nav-subnav {
  max-height: 500px;
}

.nav-item.always-open .nav-subnav {
  max-height: none;
}

.nav-subitem > a {
  display: block;
  padding: 0.5rem var(--spacing-unit) 0.5rem calc(var(--spacing-unit) * 1.5);
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-subitem > a:hover,
.nav-subitem > a.active {
  color: var(--primary-color);
}

/* Per-team subsections (Blog, Notes, Programs, etc.) */
.nav-team {
  margin-bottom: 0.25rem;
}

.nav-team-header {
  display: flex;
  align-items: center;
}

.nav-team-header > a {
  flex: 1;
  display: block;
  padding: 0.5rem var(--spacing-unit) 0.5rem calc(var(--spacing-unit) * 1.5);
  color: var(--text-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

.nav-team-header > a:hover,
.nav-team-header > a.active {
  color: var(--primary-color);
}

.nav-team-toggle {
  width: 26px;
  height: 26px;
  margin-right: 0.5rem;
}

.nav-team-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.nav-team.expanded > .nav-team-body {
  max-height: 1000px;
}

.nav-team-section-label {
  padding: 0.5rem var(--spacing-unit) 0.15rem calc(var(--spacing-unit) * 2);
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-team-sections {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-team-section-item > a {
  display: block;
  padding: 0.3rem var(--spacing-unit) 0.3rem calc(var(--spacing-unit) * 2.25);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-team-section-item > a:hover,
.nav-team-section-item > a.active {
  color: var(--primary-color);
}

.nav-section-title {
  display: block;
  padding: 0.75rem var(--spacing-unit) 0.25rem calc(var(--spacing-unit) * 1.5);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-items a {
  display: block;
  padding: 0.4rem var(--spacing-unit) 0.4rem calc(var(--spacing-unit) * 2);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav-items a:hover,
.nav-items a.active {
  color: var(--primary-color);
}

/* Main content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: calc(var(--spacing-unit) * 2);
  max-width: calc(100% - var(--sidebar-width));
}

.content {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

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

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

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb .separator {
  margin: 0 0.5rem;
  color: var(--border-color);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-color);
}

h1 {
  font-size: 2rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
  margin-top: 0;
}

h2 {
  font-size: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.25rem;
}

h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

p {
  margin: 0 0 1rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Lists */
ul, ol {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

li > ul, li > ol {
  margin-top: 0.5rem;
  margin-bottom: 0;
}

/* Code */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-tertiary);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--primary-dark);
}

pre {
  background: var(--bg-tertiary);
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 0 0 1rem;
  border: 1px solid var(--border-color);
}

pre code {
  background: none;
  padding: 0;
  font-size: 0.875rem;
}

/* Programs list & viewer */
.program-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.program-list li {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.program-list li:first-child {
  border-top: 1px solid var(--border-color);
}

.program-list a {
  font-family: var(--font-mono);
  font-weight: 600;
}

.program-meta {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.program-actions {
  margin-bottom: 1rem;
}

.program-source .highlight {
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  font-size: 0.875rem;
}

.program-source .highlight pre {
  margin: 0;
  border: none;
  border-radius: 0;
  background: transparent;
}

.program-source .highlight table {
  margin: 0;
  border: none;
  width: 100%;
}

.program-source .highlight table td {
  border: none;
  padding: 0;
  vertical-align: top;
}

.program-source .highlight table td.gutter,
.program-source .highlight table td.rouge-gutter {
  user-select: none;
  color: var(--text-muted);
  text-align: right;
  padding-right: 0.75rem;
  border-right: 1px solid var(--border-color);
}

.program-source .highlight table td.code,
.program-source .highlight table td.rouge-code {
  padding-left: 0.75rem;
  width: 100%;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1rem;
}

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

th {
  background: var(--bg-secondary);
  font-weight: 600;
}

tr:nth-child(even) {
  background: var(--bg-secondary);
}

/* Blockquotes */
blockquote {
  margin: 0 0 1rem;
  padding: 0.5rem 1rem;
  border-left: 4px solid var(--primary-color);
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-style: italic;
}

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

/* Page footer */
.page-footer {
  margin-top: calc(var(--spacing-unit) * 2);
  padding-top: var(--spacing-unit);
  border-top: 1px solid var(--border-color);
}

.back-link {
  color: var(--text-muted);
  text-decoration: none;
}

.back-link:hover {
  color: var(--primary-color);
}

/* Site footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: calc(var(--spacing-unit) * 2);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-left: var(--sidebar-width);
}

.site-footer p {
  margin: 0.25rem 0;
}

.site-footer a {
  color: var(--primary-color);
}

/* Responsive */
@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    max-width: 100%;
  }

  .site-footer {
    margin-left: 0;
  }
}

@media (max-width: 600px) {
  html {
    font-size: 14px;
  }

  .main-content {
    padding: var(--spacing-unit);
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.35rem;
  }

  .site-title {
    font-size: 1rem;
  }
}

/* Page break utilities */
.page-break-before {
  display: block;
  page-break-before: always;
  break-before: page;
  height: 0;
  margin: 0;
  padding: 0;
}

.page-break-after {
  display: block;
  page-break-after: always;
  break-after: page;
  height: 0;
  margin: 0;
  padding: 0;
}

.page-break-inside-avoid {
  page-break-inside: avoid;
  break-inside: avoid;
}

.no-page-break {
  page-break-before: avoid;
  page-break-after: avoid;
  page-break-inside: avoid;
  break-before: avoid;
  break-after: avoid;
  break-inside: avoid;
}

/* Print styles */
@media print {
  .site-header,
  .sidebar,
  .nav-toggle,
  .breadcrumb,
  .page-footer,
  .site-footer {
    display: none !important;
  }

  .main-content {
    margin-left: 0 !important;
    max-width: 100% !important;
    padding: 0 !important;
  }

  .page-wrapper {
    padding-top: 0;
  }

  a {
    color: inherit;
    text-decoration: underline;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }

  a[href^="#"]::after,
  a[href^="/"]::after {
    content: "";
  }
  
  /* Automatically prevent page breaks inside code blocks and tables */
  pre, table, figure {
    page-break-inside: avoid;
    break-inside: avoid;
  }
  
  /* Keep headings with following content */
  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
    break-after: avoid;
  }
}

/* Utility classes */
.print-friendly {
  font-family: "OpenDyslexic", "Atkinson Hyperlegible", var(--font-family);
}