:root {
  --primary-color: #2c5282;
  --secondary-color: #4a6fa5;
  --accent-color: #e53e3e;
  --bg-color: #f7fafc;
  --text-color: #2d3748;
  --border-color: #e2e8f0;
  --table-header-bg: #edf2f7;
  --table-row-alt: #f8fafc;
  --success-color: #38a169;
  --warning-color: #d69e2e;
  --info-color: #3182ce;
  --danger-color: #e53e3e;
  --card-bg: #ffffff;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
}

/* Page layout — override Bootstrap's narrow article layout */
body {
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-color);
  background: var(--bg-color);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

/* Override Quarto/Bootstrap content width constraints */
#quarto-content {
  max-width: 100% !important;
}

#quarto-document-content {
  max-width: 900px !important;
  margin: 0 auto !important;
  padding: 0 1.5rem !important;
  width: 100% !important;
}

/* Remove sidebar space on mobile */
@media (max-width: 991px) {
  .sidebar-navigation {
    display: none !important;
  }
  
  #quarto-document-content {
    padding: 0 1rem !important;
    max-width: 100% !important;
  }
  
  .quarto-title-block {
    padding: 2rem 1rem !important;
  }
}

/* Title styling */
#title-block-header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 3rem 1rem;
  margin-bottom: 2rem;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 100%;
}

.title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  font-weight: 300;
}

/* Card sections */
.card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.card-header {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-color);
}

/* ===== TABLE STYLING — RESPONSIVE ===== */
/* All tables are wrapped in a scrollable container on small screens */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--card-bg);
  display: table;
  min-width: 500px; /* Prevents excessive squishing */
}

/* On mobile: wrap the table's parent in a scrollable container */
@media (max-width: 768px) {
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }
}

/* For tables inside sections/articles, ensure horizontal scroll */
section table,
article table,
.table-responsive table,
.table-wrapper table {
  margin: 0;
  box-shadow: none;
  border-radius: 0;
  width: 100%;
  min-width: 500px;
  display: table;
}

@media (max-width: 768px) {
  section table,
  article table,
  .table-responsive table,
  .table-wrapper table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

.table-responsive,
.table-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  -webkit-overflow-scrolling: touch;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
}

thead {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
}

th {
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  white-space: nowrap; /* Prevent header wrapping */
}

td {
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  transition: background 0.15s ease;
  white-space: nowrap; /* Prevent cell content wrapping on desktop */
}

/* Allow cell wrapping on very small screens */
@media (max-width: 480px) {
  td {
    white-space: normal;
    padding: 0.6rem 0.75rem;
    font-size: 0.85rem;
  }
  
  th {
    padding: 0.6rem 0.75rem;
    font-size: 0.75rem;
  }
}

tr:nth-child(even) {
  background: var(--table-row-alt);
}

tr:hover {
  background: #e2e8f0;
}

tbody tr:last-child td {
  border-bottom: none;
}

/* Table caption */
table caption {
  caption-side: top;
  text-align: left;
  font-weight: 600;
  color: var(--primary-color);
  padding: 0.5rem 0;
  font-size: 0.95rem;
}

/* Mobile: force horizontal scroll on tables */
@media (max-width: 768px) {
  table {
    min-width: 100%;
  }
  
  .table-responsive table,
  .table-wrapper table {
    min-width: 500px;
  }
  
  /* Make tables scrollable on mobile by wrapping in a container */
  .table-scroll-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* Status badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease;
  margin: 0.5rem 0;
}

.status-badge:hover {
  transform: translateY(-1px);
}

.status-completed {
  background: linear-gradient(135deg, #c6f6d5, #9ae6b4);
  color: #22543d;
}

.status-in-progress {
  background: linear-gradient(135deg, #fefcbf, #faf089);
  color: #744210;
}

.status-planned {
  background: linear-gradient(135deg, #e2e8f0, #cbd5e0);
  color: #2d3748;
}

/* ===== FIGURE STYLING — prevent overflow, enable mobile scroll ===== */
figure {
  margin: 2rem 0;
  padding: 1rem;
  background: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

figure:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* CRITICAL: constrain image to figure container */
figure img {
  max-width: 100%;
  height: auto;
  width: auto;
  border-radius: var(--radius-sm);
  display: block;
  margin: 0 auto;
  object-fit: contain;
}

/* Mobile: enable horizontal scroll for figures */
@media (max-width: 768px) {
  figure {
    padding: 0.5rem;
    margin: 1rem 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  figure img {
    max-width: none; /* Allow image to extend beyond screen */
    width: auto;
    min-width: 100%;
  }
}

figcaption {
  text-align: center;
  font-size: 0.9rem;
  color: #718096;
  margin-top: 0.75rem;
  font-style: italic;
  font-weight: 500;
  line-height: 1.5;
  word-wrap: break-word;
}

/* ===== CALLOUT BOXES ===== */
.callout {
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  border-left: 5px solid;
  border-radius: var(--radius-md);
  background: var(--card-bg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
  max-width: 100%;
  box-sizing: border-box;
}

.callout::before {
  font-size: 1.5rem;
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  opacity: 0.15;
  font-weight: 700;
}

.callout-note {
  border-left-color: var(--info-color);
  background: linear-gradient(90deg, #ebf8ff 0%, #ffffff 100%);
}

.callout-note::before {
  content: 'ℹ️';
}

.callout-success {
  border-left-color: var(--success-color);
  background: linear-gradient(90deg, #f0fff4 0%, #ffffff 100%);
}

.callout-success::before {
  content: '✅';
}

.callout-warning {
  border-left-color: var(--warning-color);
  background: linear-gradient(90deg, #fffff0 0%, #ffffff 100%);
}

.callout-warning::before {
  content: '⚠️';
}

.callout-danger {
  border-left-color: var(--danger-color);
  background: linear-gradient(90deg, #fff5f5 0%, #ffffff 100%);
}

.callout-danger::before {
  content: '🚨';
}

.callout-title {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--text-color);
  padding-right: 2rem; /* Make room for icon */
}

.callout p {
  margin: 0.5rem 0;
  line-height: 1.6;
}

.callout p:first-child {
  margin-top: 0;
}

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

.callout-note .callout-title {
  color: var(--info-color);
}

.callout-success .callout-title {
  color: var(--success-color);
}

.callout-warning .callout-title {
  color: var(--warning-color);
}

.callout-danger .callout-title {
  color: var(--danger-color);
}

/* Mobile callouts */
@media (max-width: 768px) {
  .callout {
    padding: 1rem;
    margin: 1rem 0;
  }
  
  .callout-title {
    font-size: 1rem;
  }
}

/* Section headers */
h2 {
  color: var(--primary-color);
  border-bottom: 3px solid var(--border-color);
  padding-bottom: 0.75rem;
  margin-top: 3rem;
  font-weight: 800;
  font-size: 1.75rem;
  letter-spacing: -0.01em;
  word-wrap: break-word;
}

h3 {
  color: var(--secondary-color);
  margin-top: 2rem;
  font-weight: 700;
  font-size: 1.35rem;
  word-wrap: break-word;
}

h4 {
  color: var(--text-color);
  margin-top: 1.5rem;
  font-weight: 600;
  font-size: 1.15rem;
  word-wrap: break-word;
}

/* Mobile headers */
@media (max-width: 768px) {
  h2 {
    font-size: 1.5rem;
    margin-top: 2rem;
  }
  
  h3 {
    font-size: 1.2rem;
    margin-top: 1.5rem;
  }
  
  h4 {
    font-size: 1.05rem;
  }
}

/* Links */
a {
  color: var(--primary-color);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
  font-weight: 500;
  word-wrap: break-word;
}

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

/* Math styling */
.math {
  font-size: 1.05em;
  overflow-x: auto;
  overflow-y: hidden;
  display: inline-block;
  max-width: 100%;
  vertical-align: bottom;
}

/* Prevent math overflow on mobile */
@media (max-width: 768px) {
  .math {
    font-size: 0.95em;
  }
  
  mjx-container {
    overflow-x: auto;
    overflow-y: hidden;
    max-width: 100%;
    display: inline-block;
  }
}

/* Code blocks */
pre {
  background: #1a202c;
  color: #e2e8f0;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.6;
  box-shadow: var(--shadow-md);
  border: 1px solid #2d3748;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}

code {
  background: #edf2f7;
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.85em;
  color: var(--primary-color);
  font-weight: 600;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  word-wrap: break-word;
}

pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-weight: 400;
  word-wrap: normal;
  white-space: pre;
}

/* Syntax highlighting colors */
pre .kw { color: #ff79c6; } /* keyword */
pre .str { color: #f1fa8c; } /* string */
pre .num { color: #bd93f9; } /* number */
pre .com { color: #6272a4; } /* comment */
pre .fun { color: #50fa7b; } /* function */

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

li {
  margin: 0.5rem 0;
}

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

/* Mobile lists */
@media (max-width: 768px) {
  ul, ol {
    padding-left: 1.25rem;
  }
  
  li {
    margin: 0.4rem 0;
  }
}

/* Navigation */
.nav-links {
  display: flex;
  gap: 1rem;
  margin: 2rem 0;
  padding: 1rem;
  background: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.nav-links a {
  padding: 0.6rem 1.25rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.nav-links a:hover {
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-bottom: none;
}

/* Responsive breakpoints */
@media (max-width: 768px) {
  body {
    font-size: 15px;
  }
  
  .title {
    font-size: 1.85rem;
  }
  
  .subtitle {
    font-size: 1.05rem;
  }
  
  .card {
    padding: 1rem;
    margin: 1rem 0;
  }
  
  .nav-links {
    flex-direction: column;
  }
  
  .nav-links a {
    text-align: center;
  }
  
  pre {
    padding: 0.75rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 14px;
  }
  
  .title {
    font-size: 1.5rem;
  }
  
  .subtitle {
    font-size: 1rem;
  }
  
  #title-block-header {
    padding: 2rem 1rem;
  }
  
  .status-badge {
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
  }
  
  table {
    font-size: 0.8rem;
  }
  
  .table-responsive table,
  .table-wrapper table {
    min-width: 400px;
  }
  
  th, td {
    padding: 0.5rem 0.6rem;
  }
  
  figure {
    padding: 0.5rem;
  }
  
  figcaption {
    font-size: 0.8rem;
  }
  
  .callout {
    padding: 0.875rem 1rem;
  }
  
  .callout::before {
    font-size: 1.2rem;
    top: 0.5rem;
    right: 0.75rem;
  }
  
  h2 {
    font-size: 1.35rem;
  }
  
  h3 {
    font-size: 1.15rem;
  }
}

/* Ensure all tables are scrollable via JS wrapper on mobile */
.table-scroll-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.5rem 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  max-width: 100%;
}

.table-scroll-wrapper table {
  margin: 0;
  box-shadow: none;
  border-radius: 0;
  border: none;
  min-width: 500px;
  display: table;
}

/* Mobile: force horizontal scroll on all tables */
@media (max-width: 768px) {
  .table-scroll-wrapper {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }
  
  .table-scroll-wrapper table {
    display: table !important;
    min-width: 500px !important;
  }
  
  .table-scroll-wrapper table thead,
  .table-scroll-wrapper table tbody,
  .table-scroll-wrapper table tr,
  .table-scroll-wrapper table td,
  .table-scroll-wrapper table th {
    white-space: nowrap !important;
  }
}

/* Scrollbar styling for table wrappers */
.table-scroll-wrapper::-webkit-scrollbar {
  height: 8px;
}

.table-scroll-wrapper::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

.table-scroll-wrapper::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

.table-scroll-wrapper::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* ===== FIGURE SCROLL WRAPPER — mobile horizontal scroll ===== */
.figure-scroll-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.5rem 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  max-width: 100%;
}

.figure-scroll-wrapper figure {
  margin: 0;
  box-shadow: none;
  border-radius: 0;
  border: none;
  min-width: 500px;
}

/* Mobile: force horizontal scroll on figures */
@media (max-width: 768px) {
  .figure-scroll-wrapper {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }

  .figure-scroll-wrapper figure {
    min-width: 500px;
  }

  .figure-scroll-wrapper figure img {
    max-width: none;
    width: auto;
    min-width: 100%;
  }
}

/* Scrollbar styling for figure wrappers */
.figure-scroll-wrapper::-webkit-scrollbar {
  height: 8px;
}

.figure-scroll-wrapper::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

.figure-scroll-wrapper::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

.figure-scroll-wrapper::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

@media print {
  #title-block-header {
    background: white;
    color: var(--text-color);
    border-bottom: 2px solid var(--primary-color);
  }
  
  .nav-links,
  .sidebar-navigation {
    display: none !important;
  }
  
  figure {
    break-inside: avoid;
  }
  
  table {
    break-inside: avoid;
  }
  
  .callout {
    break-inside: avoid;
    border: 1px solid var(--border-color);
  }
}

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

/* Selection styling */
::selection {
  background: var(--secondary-color);
  color: white;
}

/* Focus styles for accessibility */
a:focus, button:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Ensure paragraphs wrap properly */
p {
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
  line-height: 1.7;
  margin: 1rem 0;
}

/* Prevent horizontal overflow on the whole page */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

/* Override Bootstrap's figure margin which can cause issues */
.figure {
  margin: 2rem 0 !important;
}

.figure-img {
  max-width: 100%;
  height: auto;
}

/* Quarto-specific overrides */
.quarto-title-block {
  margin-bottom: 2rem;
}

/* Anchor links */
.anchorjs-link {
  opacity: 0.3;
  transition: opacity 0.2s;
}

.anchorjs-link:hover {
  opacity: 1;
}

/* Mobile: ensure content takes full width */
@media (max-width: 991px) {
  .page-layout-article .content {
    max-width: 100% !important;
    width: 100% !important;
  }
  
  .page-layout-article main {
    max-width: 100% !important;
    width: 100% !important;
  }
  
  .page-columns {
    display: block !important;
  }
  
  .column-page-left,
  .column-body {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
  }
}

/* Ensure table containers don't overflow */
.table-responsive {
  max-width: 100%;
}