:root {
    /* Base Canvas & Background Colors */
    --bg-color: #f7f6f2;	/* Soft Bone Page Background */
    --container-bg: #ffffff;    /* Inner Container Card Background */
    --text-color: #605542;	/* Deep Brown Body Text */
    
    /* Typography Hierarchy & Accents */
    --heading-color: #5a5a28;     /* Dark Olive-Gold */
    --heading-secondary: #605542; /* Deep Brown Subheadings */
    --accent-color: #500000;      /* Deep Burgundy Accent Line & Table Borders */
    --secondary-accent: #605542;  /* Deep Brown Palette Variant */
    --border-color: #dcdcb9;      /* Warm Olive-Tan Border */
    
    /* Table Layout & Card Systems */
    --card-bg: #f9f5e7;		/* Light Tan / Alternate Rows / Card Details */
    --card-bg-alt: #dcdcb9;	/* Warm Olive-Tan Alternate Rows */
    --code-bg: #f9f5e7;		/* Matching Light Cream System */
    
    /* Micro-Interactions (Hover States) */
    --hover-bg-odd: #c8c8a3;      /* Calibrated darker tan */
    --hover-bg-even: #e5e0cf;     /* Calibrated darker cream */
    
    /* Button Framework Variables */
    --btn-primary-bg: #5a5a28;
    --btn-primary-text: #f9f5e7;
    --btn-primary-hover: #45451f;
    --btn-secondary-bg: transparent;
    --btn-secondary-text: #605542;
    --btn-secondary-border: #605542;
    --btn-secondary-hover: #e5e0cf;
    --btn-accent-bg: #500000;
    --btn-accent-text: #ffffff;
    --btn-accent-hover: #380000;

    /* Code Container Custom Requirements */
    --code-container-bg: #E9DCC6;
    --code-container-border: #500000;
    
    /* Fonts Structure */
    --font-sans: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Dark Mode Color Overrides */
@media (prefers-color-scheme: dark) {
    :root {
--bg-color: #1c1b18;
--container-bg: #262420;
--text-color: #e5e0cf;

--heading-color: #dcdcb9;
--heading-secondary: #c8c8a3;
--accent-color: #b33636;
--secondary-accent: #c8c8a3;
--border-color: #4a473e;

--card-bg: #33302b;
--card-bg-alt: #3d3933;
--code-bg: #33302b;

--hover-bg-odd: #47433c;
--hover-bg-even: #3d3933;

--btn-primary-bg: #dcdcb9;
--btn-primary-text: #1c1b18;
--btn-primary-hover: #f9f5e7;
--btn-secondary-text: #e5e0cf;
--btn-secondary-border: #e5e0cf;
--btn-secondary-hover: #33302b;
--btn-accent-bg: #b33636;
--btn-accent-hover: #d94141;

/* Keeping requested wrapper styling persistent or inverted if required. As requested, keeping original hex styles applied below via direct selector */
    }
}

/* Base Framework Execution */
body {
    font-family: var(--font-sans);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.75;
    margin: 0;
    padding: 40px 20px;
    transition: background-color 0.3s, color 0.3s;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--container-bg);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-color);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: #605542;
  color: #f9f5e7;
  border: 1px solid #5a5a28;
  z-index: 1000;
  border-bottom: 2px solid var(--accent-color);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.top-bar {
  padding: 0px;
  text-align: center;
  font-size: 1.3em;
}

.nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  background-color: #605542;
}

.nav button {
  background-color: transparent;
  color: #f9f5e7;
  border: none;
  border-radius: 3px;
  padding: 1px 5px;
  cursor: pointer;
  transition: background-color 0.3s;
  margin: 5px;
}

.nav button:hover {
  background-color: #f9f5e7;
  color: #5a5a28;
}

.content {
 margin-top: 80px; /* Space for fixed header */
 padding: 20px;
}

@media (max-width: 600px) {
    .nav button {
    padding: 8px 10px;
    font-size: 0.9em;
  }
}

/* Footer Styles */
.site-footer {
    text-align: center;
    padding: 30px;
    font-size: 0.85rem;
    color: #888888;
    border-top: 3px solid #550000;
    max-width: 1200px;
    margin: 0 auto;
}

h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--heading-color);
    line-height: 1.25;
    margin-top: 0;
    margin-bottom: 0.75rem;
}

h2 {
    font-size: 1.5rem;
    color: var(--heading-secondary);
    margin-top: 30px;
    margin-bottom: 15px;
}

p {
   text-indent: 20px;
   margin-top:10px;

}

p.no-indent {text-indent: 0em; }

/* For use with <hr> element */
hr {
   color: #6e2f3b;
   margin-left: auto;
   margin-right: auto;
   margin-top: 10px;
   margin-bottom: 10px;
   clear:both;
}

.short-spacer-line {
    width: 80%;
    margin: 0 auto;
    border: none;
    border-top: 2px solid #550000;
    margin-top: 12px;
    margin-bottom: 8px;
}

.short-hr {
   width: 30%;
   border: none;
   margin-left: 0px;
   border-top: 2px solid #550000;
   margin-top: 8px;
   margin-bottom: 8px;
}

.subtitle {
    font-size: 1.15rem;
    color: var(--secondary-accent);
    font-weight: 500;
    margin-bottom: 1rem;
}

/* Custom Structured Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 0.95rem;
    border: 2px solid var(--accent-color);
}

th {
    background-color: var(--heading-color);
    color: var(--bg-color);
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    letter-spacing: 0.5px;
}

td {
    padding: 12px 15px;
    border: 1px solid var(--accent-color);
    transition: background-color 0.2s ease;
}

tr:nth-child(odd) td { background-color: var(--card-bg-alt); }
tr:nth-child(even) td { background-color: var(--card-bg); }

tr:nth-child(odd):hover td { background-color: var(--hover-bg-odd); }
tr:nth-child(even):hover td { background-color: var(--hover-bg-even); }

/* Button Styling Framework */
.btn-group {
    display: flex;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.btn {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
}
.btn-primary:hover {
    background-color: var(--btn-primary-hover);
}

.btn-secondary {
    background-color: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border-color: var(--btn-secondary-border);
}
.btn-secondary:hover {
    background-color: var(--btn-secondary-hover);
}

.btn-accent {
    background-color: var(--btn-accent-bg);
    color: var(--btn-accent-text);
}
.btn-accent:hover {
    background-color: var(--btn-accent-hover);
}

/* Enforced Code Preview Custom Wrapper Blocks */
.code-preview-wrapper {
    background-color: #E9DCC6 !important;
    border: 2px solid #500000 !important;
    padding: 20px;
    border-radius: 6px;
    margin: 25px 0;
    overflow-x: auto;
}

.code-preview-wrapper pre {
    margin: 0;
    font-family: "Menlo", "Consolas", "Courier New", monospace;
    font-size: 0.9rem;
    color: #E9DCC6; /* Dark high-contrast text dedicated for the warm beige background */
    border: border: 1px solid #500000;
}

/* Palette Swatch Utility */
.color-palette-bar {
    display: flex;
    margin: 30px 0;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--text-color);
}

.color-swatch {
    flex: 1;
    height: 50px;
    font-size: 0.75rem;
    font-weight: bold;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}
pre {
   
  background-color: #E9E9D4;
   
  border: 1px solid #500000;
     padding: 12px;

     border-radius: 6px;
     overflow-x: auto;

}

div.figureCenter {
    text-align: center;
    margin: 0.25em;
}

div.figureRight {
  float: right;
  margin: 0.25em;
  padding: 0.15em;
}

div.figureLeft {
  float: left;
  margin: 0.25em;
  padding: 0.15em;
}

/* General styles for the figure and figcaption */
figure {
   margin: 20px;
   text-align: center;
   overflow: hidden;
   padding: 5px;
   border: 2px solid #550000;
   max-width: 100%; /* Allow figure to scale */
}

figcaption {
   font-size: 8pt;
   color: #444;
   margin-top: 5px;
   text-align: center;
}

/* Align left */
figure.left {
   float: left;
}

/* Align center */
figure.center {
   display: block;
   margin-left: auto;
   margin-right: auto;
}

/* Align right */
figure.right {
   float: right;
}

/* Ensure images are responsive */
figure img {
    width: 100%; /* Make image take full width of the figure */
    height: auto; /* Maintain aspect ratio */
}

.hidden {
  display: none;
}

.visible {
  display: block;
}

.close-btn {
  margin-top: 10px;
  cursor: pointer;
  background-color: #f44336;
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 5px;
}

.pub { font-weight: bold; color: #000; }