/* Modern custom styles for Quarto site */

:root {
  --primary: #6366f1;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --text: #d1d5db;
  --text-bright: #e5e7eb;
  --bg-dark: #0f1419;
  --bg-darker: #0a0f15;
  --border: rgba(99, 102, 241, 0.1);
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Body defaults */
body {
  background: linear-gradient(135deg, #0f1419 0%, #1a1f2e 100%);
  color: var(--text-bright);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-weight: 400;
  letter-spacing: 0.3px;
  line-height: 1.6;
}

/* Main content container */
main {
  background: rgba(15, 20, 25, 0.6);
  backdrop-filter: blur(5px);
  border-radius: 12px;
  padding: 2.5rem;
  margin: 2rem auto;
  max-width: 900px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Modern math rendering */
.math {
  font-family: 'Computer Modern', 'Times New Roman', serif;
  color: var(--text-bright);
  padding: 0.25rem 0;
}

/* Code blocks - enhanced */
code {
  background-color: rgba(15, 23, 42, 0.8);
  color: #e2e8f0;
  padding: 3px 8px;
  border-radius: 5px;
  border: 1px solid var(--border);
  font-size: 0.95em;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  letter-spacing: 0.2px;
}

pre code {
  background-color: transparent;
  padding: 0;
  border: none;
}

pre {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  overflow-x: auto;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  line-height: 1.5;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(99, 102, 241, 0.05);
}

::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: 10px;
  
  &:hover {
    background: rgba(99, 102, 241, 0.5);
  }
}

/* Callout boxes - modern gradient backgrounds */
.callout {
  margin: 1.75rem 0;
  padding: 1.5rem;
  border-radius: 10px;
  border-left: 5px solid var(--primary);
  background: rgba(99, 102, 241, 0.08);
  backdrop-filter: blur(5px);
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

.callout-note {
  border-left-color: #6366f1;
  background: rgba(99, 102, 241, 0.08);
}

.callout-tip {
  border-left-color: #8b5cf6;
  background: rgba(139, 92, 246, 0.08);
}

.callout-warning {
  border-left-color: #f59e0b;
  background: rgba(245, 158, 11, 0.08);
}

.callout-important {
  border-left-color: #ef4444;
  background: rgba(239, 68, 68, 0.08);
}

/* Lists with better spacing */
li {
  margin-bottom: 0.75rem;
  color: var(--text);
  line-height: 1.8;
}

ul, ol {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}

/* Better spacing for sections */
h2 {
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid rgba(99, 102, 241, 0.2);
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #e5e7eb;
}

h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: #e5e7eb;
}

h4 {
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #e5e7eb;
}

/* Links with hover effects */
a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

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

/* Tables - modern styling */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 2rem 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  overflow: hidden;
}

thead {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
  border-bottom: 2px solid rgba(99, 102, 241, 0.3);
}

th {
  padding: 1.25rem;
  text-align: left;
  font-weight: 600;
  color: var(--text-bright);
  letter-spacing: 0.5px;
}

td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
  color: var(--text);
}

tbody tr:hover {
  background: rgba(99, 102, 241, 0.1);
  transition: background 0.3s ease;
}

/* Blockquotes */
blockquote {
  border-left: 5px solid var(--secondary);
  padding-left: 1.75rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  color: #a0aec0;
  font-style: italic;
  margin: 2rem 0;
  background: rgba(139, 92, 246, 0.05);
  border-radius: 0 8px 8px 0;
}

/* Images */
img {
  border-radius: 8px;
  max-width: 100%;
  height: auto;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

img:hover {
  transform: scale(1.02);
}

/* Figures */
figure {
  margin: 2rem 0;
  text-align: center;
}

figcaption {
  color: #94a3b8;
  font-size: 0.95rem;
  margin-top: 1rem;
  font-style: italic;
}

/* TOC styling */
.toc {
  background: rgba(99, 102, 241, 0.05);
  border-radius: 8px;
  padding: 1.5rem;
  border: 1px solid var(--border);
}

.toc-item {
  color: var(--text);
  transition: all 0.3s ease;
  padding: 0.5rem 0;
}

.toc-item:hover {
  color: var(--primary);
  padding-left: 0.25rem;
}

.toc-item.active {
  color: var(--primary);
  font-weight: 600;
  border-left: 3px solid var(--primary);
  padding-left: 0.75rem;
}

/* Sidebar */
#quarto-sidebar {
  background: rgba(15, 20, 25, 0.6);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(5px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  main {
    padding: 1.5rem;
    border-radius: 8px;
  }
  
  h2 {
    margin-top: 1.75rem;
    margin-bottom: 1rem;
  }
  
  code {
    font-size: 0.9em;
  }
  
  table {
    font-size: 0.95rem;
  }
  
  th, td {
    padding: 0.75rem 0.5rem;
  }
}

/* Print styles */
@media print {
  body {
    background: white;
    color: #000;
  }
  
  main {
    background: white;
    box-shadow: none;
    border: none;
    padding: 0;
    margin: 0;
  }
  
  a {
    color: #000080;
  }
}