/* 
  Jest Hybrid Style - Jest Red Accent
  Gebaseerd op hybrid-style maar met Jest rode accent in plaats van blauw
*/

:root {
  /* Basis kleuren - minimalistisch */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --border-color: #e9ecef;
  
  /* Jest Red accenten - donkere groenen */
  --accent-primary: #C21325;
  --accent-secondary: #99173E;
  --accent-darker: #7a0e1c;
  --accent-leaf: #15c213;
  --accent-bright: #ff3347;
  --accent-success: #51cf66;
  --accent-warning: #ffa94d;
  --accent-danger: #ff6b6b;
  
  /* Code styling */
  --code-bg: #f8f9fa;
  --code-border: #e9ecef;
  
  --sidebar-width: 280px;
}

[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --text-primary: #e9ecef;
  --text-secondary: #adb5bd;
  --border-color: #495057;
  
  --accent-primary: #C21325;
  --accent-secondary: #99173E;
  --accent-darker: #8b1020;
  --accent-leaf: #15c213;
  --accent-bright: #ff3347;
  --accent-success: #66d17e;
  --accent-warning: #ffb366;
  --accent-danger: #ff7a7a;
  
  --code-bg: #2d2d2d;
  --code-border: #495057;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

.container {
  max-width: 100%;
  margin: 0;
  padding: 0;
}

/* Back Button */
.back-button {
  position: fixed;
  top: 20px;
  left: 20px;
  padding: 8px 16px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  border: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.2s;
}

.back-button:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  cursor: pointer;
  font-size: 20px;
  z-index: 1000;
  transition: all 0.2s;
}

.theme-toggle:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: rotate(20deg);
}

/* Page Header - Met Jest rode accent kleur */
.page-header {
  padding: 80px 20px 40px 320px;
  border-bottom: 2px solid var(--accent-primary);
  background: var(--bg-primary);
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--accent-secondary), var(--accent-leaf));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Content Wrapper */
.content-wrapper {
  display: flex;
  max-width: 100%;
}

/* Sidebar - Met groene accenten */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  overflow-y: auto;
  background: var(--bg-primary);
  border-right: 1px solid var(--border-color);
  padding: 100px 20px 40px 20px;
}

.sidebar h3 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.sidebar-nav {
  list-style: none;
}

.sidebar-nav li {
  margin-bottom: 4px;
}

.sidebar-nav a {
  display: block;
  padding: 8px 12px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.95rem;
  border-radius: 6px;
  border-left: 3px solid transparent;
  transition: all 0.2s;
}

.sidebar-nav a:hover {
  background: var(--bg-secondary);
  border-left-color: var(--accent-primary);
  padding-left: 16px;
}

.sidebar-nav a.active {
  background: var(--bg-secondary);
  border-left-color: var(--accent-primary);
  font-weight: 500;
  color: var(--accent-secondary);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 40px 60px 80px 60px;
  max-width: 900px;
}

/* Content Sections */
.content-section {
  margin-bottom: 60px;
}

.content-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 10px;
  position: relative;
}

.content-section h2::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 80px;
  height: 2px;
  background: var(--accent-primary);
}

.content-section h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.content-section p {
  margin-bottom: 16px;
  color: var(--text-primary);
  line-height: 1.7;
}

.content-section ul,
.content-section ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.content-section li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.content-section a {
  color: var(--accent-secondary);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.content-section a:hover {
  border-bottom-color: var(--accent-secondary);
}

/* Code Blocks - Met groene border */
pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-left: 3px solid var(--accent-primary);
  border-radius: 6px;
  padding: 16px;
  overflow-x: auto;
  margin: 20px 0;
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: 14px;
  line-height: 1.5;
}

code {
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: 0.9em;
}

/* Inline code - Groene accent */
:not(pre) > code {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--accent-secondary);
  font-size: 0.9em;
  font-weight: 500;
}

/* Info/Warning/Success Boxes */
.info-box {
  background: rgba(14, 121, 59, 0.05);
  border-left: 3px solid var(--accent-primary);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 6px;
}

.warning-box {
  background: rgba(255, 169, 77, 0.05);
  border-left: 3px solid var(--accent-warning);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 6px;
}

.success-box {
  background: rgba(81, 207, 102, 0.05);
  border-left: 3px solid var(--accent-success);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 6px;
}

/* Specifieke kleuren voor leerpad */
section[style*="border-top"] .success-box {
  background: rgba(81, 207, 102, 0.05);
  border-left: 3px solid #51cf66;
}

section[style*="border-top"] .info-box {
  background: rgba(74, 144, 226, 0.05);
  border-left: 3px solid #4a90e2;
}

section[style*="border-top"] .warning-box {
  background: rgba(255, 169, 77, 0.05);
  border-left: 3px solid #ffa94d;
}

.info-box p,
.warning-box p,
.success-box p {
  margin-bottom: 8px;
}

.info-box p:last-child,
.warning-box p:last-child,
.success-box p:last-child {
  margin-bottom: 0;
}

/* Code Explanation */
.code-explanation {
  background: var(--bg-secondary);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 6px;
  border-left: 3px solid var(--accent-primary);
}

.code-explanation strong {
  display: block;
  margin-bottom: 12px;
  color: var(--accent-secondary);
}

/* Tables - Met groene header */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--border-color);
}

.comparison-table thead {
  background: var(--accent-secondary);
  color: white;
}

.comparison-table th {
  padding: 12px;
  text-align: left;
  font-weight: 600;
}

.comparison-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.comparison-table tbody tr:hover {
  background: rgba(14, 121, 59, 0.05);
}

/* Tips Grid - Met groene accent */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 30px 0;
}

.tip-card {
  background: var(--bg-secondary);
  padding: 20px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--accent-primary);
  transition: all 0.3s ease;
}

.tip-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(14, 121, 59, 0.15);
  border-top-color: var(--accent-primary);
}

.tip-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 8px;
  color: var(--accent-secondary);
}

.tip-card p {
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Inline tips met specifieke kleuren (zoals in HTML) */
section .content-section > div[style*="grid"] > div[style*="border-left: 3px solid var(--accent-primary)"] h3 {
  color: var(--accent-secondary);
}

section .content-section > div[style*="grid"] > div[style*="border-left: 3px solid var(--accent-success)"] h3 {
  color: var(--accent-success);
}

section .content-section > div[style*="grid"] > div[style*="border-left: 3px solid var(--accent-warning)"] h3 {
  color: var(--accent-warning);
}

section .content-section > div[style*="grid"] > div[style*="border-left: 3px solid var(--accent-danger)"] h3 {
  color: var(--accent-danger);
}

/* Responsive */
@media (max-width: 1024px) {
  .sidebar {
    width: 240px;
  }

  .main-content {
    margin-left: 240px;
    padding: 40px 30px 80px 30px;
  }

  .page-header {
    padding-left: 270px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: static;
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 20px;
  }

  .main-content {
    margin-left: 0;
    padding: 20px;
  }

  .page-header {
    padding: 80px 20px 30px 20px;
  }

  .back-button {
    top: 10px;
    left: 10px;
  }

  .theme-toggle {
    top: 10px;
    right: 10px;
  }

  .page-title {
    font-size: 2rem;
  }
}

/* Topic Cards - Voor MERN index met groene accent */
.topic-card {
  background: var(--bg-secondary);
  padding: 24px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-primary);
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.topic-card:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(14, 121, 59, 0.15);
  border-left-width: 6px;
}

.topic-card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.25rem;
  color: var(--accent-secondary);
}

.topic-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Category badges - Met originele kleuren behouden */
.category-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.category-badge.basics {
  background: rgba(74, 144, 226, 0.1);
  color: #4a90e2;
}

.category-badge.data {
  background: rgba(81, 207, 102, 0.1);
  color: #51cf66;
}

.category-badge.advanced {
  background: rgba(255, 107, 107, 0.1);
  color: #ff6b6b;
}

/* Scroll indicator - Groene accent */
.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Footer */
.footer {
  margin-top: 80px;
  padding: 40px 20px;
  border-top: 2px solid var(--border-color);
  background: var(--bg-primary);
  margin-left: 300px;
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.footer-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  margin: 0 auto 24px;
  border-radius: 2px;
}

.footer-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.footer-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

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

/* Footer responsive */
@media (max-width: 768px) {
  .footer {
    margin-left: 0;
  }
}