/* import Outfit, Fira Code and clean system fonts */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500&family=Outfit:wght@300;400;600;800&display=swap');

:root {
  --bg-primary: #282c34;
  --bg-secondary: #21252b;
  --bg-darker: #1e1e24;
  --border-color: #3e4452;
  --border-glow: #61afef;
  
  --text-primary: #abb2bf;
  --text-secondary: #828997;
  --text-muted: #5c6370;
  
  --color-primary: #c678dd;       /* Keywords - Purple */
  --color-secondary: #e06c75;     /* Tags - Coral */
  --color-accent-blue: #61afef;   /* Functions - Blue */
  --color-accent-cyan: #56b6c2;   /* Operators - Cyan */
  
  --color-success: #98c379;       /* Strings - Green */
  --color-warning: #d19a66;       /* Numbers - Orange */
  --color-danger: #e06c75;        /* Red */
  
  --font-display: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: Consolas, "Fira Code", Monaco, Menlo, "Ubuntu Mono", "Courier New", Courier, monospace;
  
  --transition-smooth: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --header-bg: #1e1e24;
  --btn-bg: #2c313c;
  --btn-bg-hover: #3e4452;
  --border-color-hover: #5c6370;
  --card-hover-bg: #282c34;
  --category-tab-hover-line: rgba(255, 255, 255, 0.08);

  --btn-arduino-bg: rgba(0, 151, 157, 0.15);
  --btn-arduino-border: rgba(0, 151, 157, 0.4);
  --btn-arduino-color: #3de1e8;
  --btn-arduino-bg-hover: rgba(0, 151, 157, 0.3);
  --btn-arduino-border-hover: #00c4cc;
}

html[data-theme="light"] {
  --bg-primary: #fafafa;
  --bg-secondary: #f0f0f0;
  --bg-darker: #e5e5e6;
  --border-color: #d3d3d3;
  --border-glow: #4078f2;
  
  --text-primary: #383a42;
  --text-secondary: #696c77;
  --text-muted: #a0a1a7;
  
  --color-primary: #a626a4;
  --color-secondary: #e45649;
  --color-accent-blue: #4078f2;
  --color-accent-cyan: #0184bc;
  
  --color-success: #50a14f;
  --color-warning: #ca8a04;
  --color-danger: #e45649;
  
  --header-bg: #f0f0f0;
  --btn-bg: #e5e5e6;
  --btn-bg-hover: #d3d3d3;
  --border-color-hover: #a0a1a7;
  --card-hover-bg: #fafafa;
  --category-tab-hover-line: rgba(0, 0, 0, 0.08);

  --btn-arduino-bg: rgba(0, 151, 157, 0.08);
  --btn-arduino-border: rgba(0, 151, 157, 0.3);
  --btn-arduino-color: #007a80;
  --btn-arduino-bg-hover: rgba(0, 151, 157, 0.15);
  --btn-arduino-border-hover: #00979d;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
}

/* Header Styling (Aligned with Main Page) */
header {
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-secondary);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  user-select: none;
}

.breadcrumbs span {
  color: var(--text-secondary);
}

.breadcrumbs .breadcrumb-file {
  color: var(--color-warning);
}

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

nav {
  display: flex;
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  margin-right: 1.5rem;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
}

nav a:hover {
  color: var(--color-accent-blue);
}

.category-emoji-img {
  width: 14px;
  height: 14px;
  object-fit: contain;
  margin-right: 6px;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

/* Theme Toggle (Borderless) */
.theme-toggle {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  margin-left: 1rem;
}

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

.theme-toggle svg {
  transition: transform 0.5s ease;
}

.theme-toggle:hover svg {
  transform: rotate(30deg);
}

html[data-theme="light"] .sun-icon {
  display: none;
}
html[data-theme="light"] .moon-icon {
  display: block;
}
html[data-theme="dark"] .sun-icon {
  display: block;
}
html[data-theme="dark"] .moon-icon {
  display: none;
}

.container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem 1.5rem;
  flex-grow: 1;
}

/* Document Body (Obsidian / One Dark Pro) */
article {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

h1 {
  font-size: 2.2rem;
  margin-top: 0;
  color: var(--text-primary);
}

h2 {
  font-size: 1.6rem;
  margin-top: 2.5rem;
  color: var(--color-accent-blue);
}

h3 {
  font-size: 1.25rem;
  color: var(--color-success);
}

hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2.5rem 0;
}

p {
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  font-size: 1rem;
  line-height: 1.6;
}

ul, ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

li {
  margin-bottom: 0.4rem;
}

strong {
  color: var(--color-warning);
  font-weight: 600;
}

/* Obsidian-like Grid Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
}

th, td {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

th {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-weight: 600;
}

tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.015);
}

html[data-theme="light"] tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.015);
}

tr:hover td {
  background-color: rgba(97, 175, 239, 0.03);
}

/* Obsidian Callouts (Alert boxes formatted to One Dark Pro Accent Palette) */
.callout {
  border: 1px solid var(--border-color);
  border-left: 4px solid;
  border-radius: 4px;
  padding: 0.85rem 1.1rem;
  margin: 1.5rem 0;
}

.callout-title {
  font-family: var(--font-sans);
  font-weight: 700;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.callout-content {
  font-size: 0.92rem;
}

.callout-content p {
  margin-bottom: 0;
  font-size: 0.92rem;
  color: var(--text-primary);
}

/* Callout Variant Colors mapping to Atom Accent colors */
.callout-note, .callout-todo {
  background-color: rgba(97, 175, 239, 0.04);
  border-left-color: #61afef; /* Blue */
}
.callout-note .callout-title, .callout-todo .callout-title {
  color: #61afef;
}

.callout-tip, .callout-example {
  background-color: rgba(152, 195, 121, 0.04);
  border-left-color: #98c379; /* Green */
}
.callout-tip .callout-title, .callout-example .callout-title {
  color: #98c379;
}

.callout-warning, .callout-important {
  background-color: rgba(209, 154, 102, 0.04);
  border-left-color: #d19a66; /* Orange */
}
.callout-warning .callout-title, .callout-important .callout-title {
  color: #d19a66;
}

.callout-caution, .callout-danger {
  background-color: rgba(224, 108, 117, 0.04);
  border-left-color: #e06c75; /* Red / Coral */
}
.callout-caution .callout-title, .callout-danger .callout-title {
  color: #e06c75;
}

/* Inline code styling */
code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
  color: var(--color-secondary);
}

html[data-theme="light"] code {
  background-color: rgba(0, 0, 0, 0.05);
}

/* Fenced code block styling (Atom One Dark/Light container) */
pre {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  padding: 1.1rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

pre code {
  background-color: transparent;
  padding: 0;
  color: var(--text-primary);
  font-size: 0.85rem;
  line-height: 1.5;
  border-radius: 0;
}

/* Custom Wikilink images */
.wiki-image-wrapper {
  margin: 2.2rem 0;
  display: flex;
  justify-content: center;
  width: 100%;
}

.wiki-image {
  max-width: 100%;
  border-radius: 3px;
  border: 1px solid var(--border-color);
  box-shadow: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.wiki-image:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent-blue);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* Wiki Internal links */
.wiki-page-link {
  color: var(--color-accent-blue);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px dashed transparent;
  transition: var(--transition-smooth);
}

.wiki-page-link:hover {
  border-bottom-color: var(--color-accent-blue);
}

/* Boards Catalog Grid (Wiki Homepage) */
.boards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-top: 2rem;
}

.board-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
}

.board-card:hover {
  border-color: var(--color-accent-blue);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  background: var(--card-hover-bg);
}

.board-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  color: var(--color-accent-blue);
  font-size: 1.2rem;
}

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

/* Footer (VS Code Status Bar style) */
footer {
  margin-top: auto;
  padding: 0.35rem 1.5rem;
  background: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  z-index: 10;
}

.status-left, .status-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.status-item:hover {
  color: var(--text-primary);
}

.status-item svg {
  fill: currentColor;
}

.status-item a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed transparent;
}

.status-item a:hover {
  border-bottom-color: var(--text-primary);
}

/* Responsive adjustment */
@media (max-width: 768px) {
  .breadcrumbs {
    display: none;
  }
  
  .container {
    padding: 1.5rem 1rem 4rem 1rem;
  }
  
  article {
    padding: 1.5rem;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  .status-right {
    display: none;
  }
}

/* Code Block Copy Button Wrapper */
.code-block-wrapper {
  position: relative;
  margin: 1.5rem 0;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
}

/* Use slightly darker background for code blocks in light theme to stand out */
html[data-theme="light"] .code-block-wrapper {
  background-color: var(--bg-secondary);
}

/* Adjust pre margin and borders when inside wrapper */
.code-block-wrapper pre {
  margin: 0 !important;
  border: none !important;
  background-color: transparent !important;
  border-radius: 0 !important;
}

/* Reset code element background/padding from highlight.js themes to unify background */
.code-block-wrapper pre code {
  background-color: transparent !important;
  padding: 0 !important;
}

/* Code Block Action Buttons Container */
.code-actions-container {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  z-index: 10;
  display: flex;
  gap: 0.5rem;
  opacity: 1; /* Always visible */
  transition: var(--transition-smooth);
}

/* Code Action Button Styling (Copy, Download) */
.code-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background-color: var(--btn-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.9rem; /* Increased size by 30% */
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  user-select: none;
  line-height: 1;
}

.code-action-btn:hover {
  color: var(--text-primary);
  border-color: var(--color-accent-blue);
  background-color: var(--btn-bg-hover);
}

.code-action-btn.copied {
  color: var(--color-success);
  border-color: var(--color-success);
}

/* Arduino style button */
.code-action-btn.arduino-btn {
  background-color: var(--btn-arduino-bg);
  border-color: var(--btn-arduino-border);
  color: var(--btn-arduino-color);
}

.code-action-btn.arduino-btn:hover {
  background-color: var(--btn-arduino-bg-hover);
  border-color: var(--btn-arduino-border-hover);
  color: var(--btn-arduino-color);
}

/* Icon style */
.code-action-btn svg {
  display: block;
  flex-shrink: 0;
}