/*
 * Glassmorphic Theme for Zensical / Material for MkDocs
 * Purple-Blue glassmorphic effect with Aclonica typography
 * Supports both light and dark modes
 */

@import url('https://fonts.googleapis.com/css2?family=Aclonica&family=Merriweather:ital,wght@0,300;0,400;0,700;1,400&family=Fira+Code:wght@400;500&display=swap');

/* ============================================
   Design Tokens (shared)
   ============================================ */
:root {
  /* Core Colors */
  --ptg-color-primary: #14b5ff;
  --ptg-color-secondary: #a855f7;
  --ptg-color-accent: #7652f5;
  --ptg-color-math: #00f5db;
  --ptg-color-warning: #ffa657;
  --ptg-color-success: #22f792;
  --ptg-color-error: #f78166;

  /* Purple-Blue Gradients */
  --ptg-gradient-purple-blue: linear-gradient(135deg, #a855f7 0%, #7652f5 50%, #14b5ff 100%);
  --ptg-gradient-blue-purple: linear-gradient(to right bottom, #00e8ff, #14b5ff, #5280ff, #7952f5);

  /* Typography */
  --ptg-font-heading: 'Aclonica', sans-serif;
  --ptg-font-body: 'Merriweather', Georgia, 'Times New Roman', serif;
  --ptg-font-mono: 'Fira Code', 'Consolas', monospace;

  /* Spacing */
  --ptg-space-xs: 0.25rem;
  --ptg-space-sm: 0.5rem;
  --ptg-space-md: 1rem;
  --ptg-space-lg: 1.5rem;
  --ptg-space-xl: 2rem;

  /* Border Radii */
  --ptg-radius-sm: 4px;
  --ptg-radius-md: 8px;
  --ptg-radius-lg: 16px;
  --ptg-radius-pill: 50px;

  /* Transitions */
  --ptg-transition-fast: 0.15s ease;
  --ptg-transition-normal: 0.3s ease;
}

/* ============================================
   DARK MODE (slate scheme)
   ============================================ */
[data-md-color-scheme="slate"] {
  --ptg-color-bg: #0d1117;
  --ptg-color-surface: #161b22;
  --ptg-color-text: whitesmoke;
  --ptg-color-muted: #8b949e;
  --ptg-color-link: #33baf5;
  --ptg-color-link-hover: #ad5be6;

  --ptg-glass-bg: rgba(13, 17, 23, 0.75);
  --ptg-glass-bg-light: rgba(22, 27, 34, 0.6);
  --ptg-glass-border: rgba(168, 85, 247, 0.2);
  --ptg-glass-border-hover: rgba(168, 85, 247, 0.4);
  --ptg-glass-blur: 12px;
  --ptg-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 40px rgba(168, 85, 247, 0.1);

  --md-primary-fg-color:        #7652f5;
  --md-primary-fg-color--light: #a855f7;
  --md-primary-fg-color--dark:  #5a3dd6;
  --md-accent-fg-color:         #14b5ff;
  --md-accent-fg-color--transparent: rgba(20, 181, 255, 0.1);

  --md-default-bg-color:        #0d1117;
  --md-default-fg-color:        whitesmoke;
  --md-default-fg-color--light: #8b949e;
  --md-default-fg-color--lighter: rgba(139, 148, 158, 0.5);
  --md-default-fg-color--lightest: rgba(139, 148, 158, 0.2);

  --md-typeset-color:           whitesmoke;
  --md-typeset-a-color:         #7652f5;

  --md-code-bg-color:           rgba(168, 85, 247, 0.1);
  --md-code-fg-color:           #00f5db;
  --md-code-hl-color:           rgba(168, 85, 247, 0.2);

  --md-footer-bg-color:         rgba(13, 17, 23, 0.75);
  --md-footer-bg-color--dark:   rgba(13, 17, 23, 0.9);
  --md-footer-fg-color:         #8b949e;
  --md-footer-fg-color--light:  whitesmoke;
  --md-footer-fg-color--lighter: #8b949e;

  --ptg-color-bold: #38bdf8;
  --ptg-color-italic: #e9d5ff; /* Brighter purple for better contrast */
}

/* ============================================
   LIGHT MODE (default scheme)
   ============================================ */
[data-md-color-scheme="default"] {
  --ptg-color-bg: #f0f0f5;
  --ptg-color-surface: #ffffff;
  --ptg-color-text: #1a1a2e;
  --ptg-color-muted: #555570;
  --ptg-color-link: #5a3dd6;
  --ptg-color-link-hover: #7652f5;

  --ptg-glass-bg: rgba(255, 255, 255, 0.7);
  --ptg-glass-bg-light: rgba(255, 255, 255, 0.5);
  --ptg-glass-border: rgba(118, 82, 245, 0.2);
  --ptg-glass-border-hover: rgba(118, 82, 245, 0.4);
  --ptg-glass-blur: 12px;
  --ptg-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 0 40px rgba(118, 82, 245, 0.06);

  --md-primary-fg-color:        #5a3dd6;
  --md-primary-fg-color--light: #7652f5;
  --md-primary-fg-color--dark:  #4530a8;
  --md-accent-fg-color:         #0a8fd4;
  --md-accent-fg-color--transparent: rgba(10, 143, 212, 0.1);

  --md-default-bg-color:        #f0f0f5;
  --md-default-fg-color:        #1a1a2e;
  --md-default-fg-color--light: #555570;
  --md-default-fg-color--lighter: rgba(85, 85, 112, 0.5);
  --md-default-fg-color--lightest: rgba(85, 85, 112, 0.2);

  --md-typeset-color:           #1a1a2e;
  --md-typeset-a-color:         #5a3dd6;

  --md-code-bg-color:           rgba(118, 82, 245, 0.08);
  --md-code-fg-color:           #0a6e5c;
  --md-code-hl-color:           rgba(118, 82, 245, 0.15);

  --md-footer-bg-color:         rgba(255, 255, 255, 0.7);
  --md-footer-bg-color--dark:   rgba(240, 240, 245, 0.9);
  --md-footer-fg-color:         #555570;
  --md-footer-fg-color--light:  #1a1a2e;
  --md-footer-fg-color--lighter: #555570;

  --ptg-color-bold: #0284c7;
  --ptg-color-italic: #a78bfa; /* Slightly lighter purple for better readability */
}

/* Light mode heading colors */
[data-md-color-scheme="default"] .md-typeset h2 {
  color: #0a8fd4;
}

[data-md-color-scheme="default"] .md-typeset h3 {
  color: #7652f5;
}

[data-md-color-scheme="default"] .md-typeset h4 {
  color: #5a3dd6;
}

[data-md-color-scheme="default"] .md-typeset h5,
[data-md-color-scheme="default"] .md-typeset h6 {
  color: #555570;
}

/* Light mode code */
[data-md-color-scheme="default"] .md-typeset code {
  background: rgba(118, 82, 245, 0.08);
  border-color: rgba(118, 82, 245, 0.2);
  color: #0a6e5c;
}



/* Light mode admonitions */
/* ta-md-color-scheme="default"] .md-typeset .admonition,
[data-md-color-scheme="default"] .md-typeset details {
  background: rgba(255, 255, 255, 0.6) !important;
  border-color: rgba(118, 82, 245, 0.2) !important;
}
*/


[data-md-color-scheme="default"] .md-typeset .admonition-title,
[data-md-color-scheme="default"] .md-typeset summary {
  background: rgba(118, 82, 245, 0.08) !important;
}

/* Light mode nav links */
[data-md-color-scheme="default"] .md-nav__link {
  color: #555570 !important;
}

[data-md-color-scheme="default"] .md-nav__link:hover {
  color: #0a8fd4 !important;
  background: rgba(10, 143, 212, 0.08);
}

[data-md-color-scheme="default"] .md-nav__link--active,
[data-md-color-scheme="default"] .md-nav__item--active > .md-nav__link {
  color: #0a8fd4 !important;
  background: rgba(10, 143, 212, 0.1);
  border-left-color: #0a8fd4;
}

/* Light mode tables */
[data-md-color-scheme="default"] .md-typeset table:not([class]) {
  background: rgba(255, 255, 255, 0.5);
}

[data-md-color-scheme="default"] .md-typeset table:not([class]) th {
  background: rgba(118, 82, 245, 0.1);
  color: #5a3dd6;
}

/* Light mode blockquotes */
[data-md-color-scheme="default"] .md-typeset blockquote {
  background: rgba(118, 82, 245, 0.06);
  border-left-color: #7652f5;
  color: #555570;
}

/* Light mode pre/code blocks */
[data-md-color-scheme="default"] .md-typeset pre {
  background: rgba(30, 30, 50, 0.05) !important;
  border-color: rgba(118, 82, 245, 0.15);
}

[data-md-color-scheme="default"] .md-typeset pre > code {
  color: #1a1a2e;
}

[data-md-color-scheme="default"] .highlight {
  background: rgba(30, 30, 50, 0.05) !important;
}

/* Light mode search */
[data-md-color-scheme="default"] .md-search__form {
  background: rgba(255, 255, 255, 0.6) !important;
  border-color: rgba(118, 82, 245, 0.2);
}

[data-md-color-scheme="default"] .md-search__output {
  background: rgba(255, 255, 255, 0.85) !important;
  border-color: rgba(118, 82, 245, 0.2);
}

/* Light mode tags */
[data-md-color-scheme="default"] .md-typeset .md-tag {
  background: linear-gradient(145deg, rgba(10, 143, 212, 0.15), rgba(90, 61, 214, 0.1));
  border-color: rgba(10, 143, 212, 0.3);
  color: #0a8fd4;
}

/* Light mode MathJax */
[data-md-color-scheme="default"] .MathJax,
[data-md-color-scheme="default"] mjx-container,
[data-md-color-scheme="default"] .katex {
  color: #0a6e5c !important;
}

/* Light mode body - lighter wisp overlay */
[data-md-color-scheme="default"] body {
  background-color: #f0f0f5;
  background-image: url('../images/wisp.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-blend-mode: overlay;
}

/* Base & Body */
html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--ptg-color-bg, #0d1117);
  background-image: url('../images/wisp.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  font-family: var(--ptg-font-body);
  color: var(--ptg-color-text, whitesmoke);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Custom Scrollbar
   ============================================ */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.5);
}

::-webkit-scrollbar-thumb {
  background: var(--ptg-gradient-purple-blue);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #a855f7, #7652f5);
}

/* ============================================
   Typography - Headings
   ============================================ */
.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4,
.md-typeset h5,
.md-typeset h6 {
  font-family: var(--ptg-font-heading);
  font-weight: 400;
  line-height: 1.3;
}

.md-typeset h1 {
  font-size: 1.75rem;
  background: var(--ptg-gradient-blue-purple);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.md-typeset h2 {
  font-size: 1.5rem;
  color: var(--ptg-color-primary);
}

.md-typeset h3 {
  font-size: 1.25rem;
  color: var(--ptg-color-secondary);
}

.md-typeset h4 {
  font-size: 1.1rem;
  color: var(--ptg-color-accent);
}

.md-typeset h5,
.md-typeset h6 {
  font-size: 1.1rem;
  color: var(--ptg-color-muted, #8b949e);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================
   Typography - Body
   ============================================ */
.md-typeset {
  font-family: var(--ptg-font-body);
  color: var(--ptg-color-text, whitesmoke);
  line-height: 1.75;
}

.md-typeset a {
  color: var(--ptg-color-link, #7652f5);
  transition: color var(--ptg-transition-fast);
}

.md-typeset a:hover {
  color: var(--ptg-color-link-hover, #a855f7);
}

.md-typeset strong {
  color: var(--ptg-color-bold);
  text-shadow: 0 0 1px rgba(0, 0, 0, 0.1);
}

.md-typeset a strong {
  color: inherit;
  text-shadow: none;
}

.md-typeset em {
  color: var(--ptg-color-italic);
  text-shadow: 0 0 1px rgba(0, 0, 0, 0.1);
}

.md-typeset a em {
  color: inherit;
  text-shadow: none;
}

/* ============================================
   Header / Top Bar — Glass Effect
   ============================================ */
.md-header {
  background: var(--ptg-glass-bg, rgba(13, 17, 23, 0.75)) !important;
  border-bottom: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2));
  backdrop-filter: blur(var(--ptg-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ptg-glass-blur, 12px));
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 30px rgba(168, 85, 247, 0.08);
}

.md-header__title,
.md-header__title .md-ellipsis,
[data-md-component="header-title"] .md-ellipsis {
  font-family: var(--ptg-font-heading) !important;
  text-decoration: none !important;
  font-weight: bold !important;
  font-size: 1.25rem !important;
  background: var(--ptg-gradient-blue-purple) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  color: transparent !important;
  /* Add a more distinct shadow and separation */
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5)) !important;
  letter-spacing: 0.5px !important;
  display: inline-block !important;
}

/* ============================================
   LAYOUT FIX: Content & TOC positioning
   ============================================ */

/* Ensure the main content area uses proper grid/flex layout */
.md-main__inner {
  display: flex;
  margin: var(--ptg-space-lg) auto;
  gap: var(--ptg-space-lg);
  max-width: 100%;
  width: 100%;
}

/* The content area should take remaining space */
.md-content {
  flex: 1;
  min-width: 0;
  max-width: none;
  background: var(--ptg-glass-bg, rgba(13, 17, 23, 0.75));
  border: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2));
  border-radius: var(--ptg-radius-lg);
  backdrop-filter: blur(var(--ptg-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ptg-glass-blur, 12px));
  box-shadow: var(--ptg-glass-shadow, 0 8px 32px rgba(0, 0, 0, 0.4));
  padding: var(--ptg-space-xl);
  animation: fadeIn 0.5s ease-out;
}

/* Layout adjustments for very wide screens to prevent content from becoming too thin */
@media screen and (min-width: 1600px) {
  .md-main__inner {
    padding-left: 5%;
    padding-right: 5%;
  }
}

.md-content:hover {
  border-color: var(--ptg-glass-border-hover, rgba(168, 85, 247, 0.4));
  box-shadow: var(--ptg-glass-shadow, 0 8px 32px rgba(0, 0, 0, 0.4)), 0 0 60px rgba(168, 85, 247, 0.15);
}

/* ============================================
   Sidebar / Navigation — Glass Container
   ============================================ */
.md-sidebar {
  background: var(--ptg-glass-bg, rgba(13, 17, 23, 0.75));
  border: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2));
  border-radius: var(--ptg-radius-lg);
  backdrop-filter: blur(var(--ptg-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ptg-glass-blur, 12px));
  box-shadow: var(--ptg-glass-shadow, 0 8px 32px rgba(0, 0, 0, 0.4));
  padding: var(--ptg-space-md);
  height: fit-content;
  align-self: flex-start;
  position: sticky;
  top: 5rem;
}

/* Left sidebar (navigation) */
.md-sidebar--primary {
  border-radius: var(--ptg-radius-lg);
  flex-shrink: 0;
  width: 12.1rem;
}

/* Right sidebar (table of contents) — hide when empty */
.md-sidebar--secondary {
  border-radius: var(--ptg-radius-lg);
  flex-shrink: 0;
  width: 12.1rem;
}

.md-sidebar--secondary:empty,
.md-sidebar--secondary:not(:has(.md-nav__link)) {
  display: none;
}

/* When right sidebar is hidden, let content expand fully */
.md-main__inner:not(:has(.md-sidebar--secondary .md-nav__link)) .md-content {
  max-width: 100%;
}

.md-sidebar__scrollwrap {
  padding: var(--ptg-space-sm);
}

/* TOC title styling */
.md-nav--secondary > .md-nav__title {
  font-family: var(--ptg-font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ptg-color-secondary);
  padding: var(--ptg-space-sm) var(--ptg-space-md);
  border-bottom: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2));
  margin-bottom: var(--ptg-space-sm);
}

.md-nav__link {
  font-family: var(--ptg-font-heading);
  font-size: 0.85rem;
  color: var(--ptg-color-muted, #8b949e) !important;
  transition: all var(--ptg-transition-normal);
  border-radius: var(--ptg-radius-sm);
}

.md-nav__link:hover {
  color: var(--ptg-color-primary) !important;
  background: rgba(20, 181, 255, 0.1);
  transform: translateX(4px);
}

.md-nav__link--active,
.md-nav__item--active > .md-nav__link {
  color: var(--ptg-color-primary) !important;
  background: rgba(20, 181, 255, 0.15);
  border-left: 3px solid var(--ptg-color-primary);
}

/* ============================================
   Code Blocks
   ============================================ */
.md-typeset code {
  font-family: var(--ptg-font-mono);
  font-size: 0.9em;
  padding: 2px 6px;
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: var(--ptg-radius-sm);
  color: var(--ptg-color-math);
}

.md-typeset pre {
  background: rgba(0, 0, 0, 0.5) !important;
  border: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2));
  border-radius: var(--ptg-radius-md);
}

.md-typeset pre > code {
  font-family: var(--ptg-font-mono);
  padding: 0;
  background: transparent;
  border: none;
  color: var(--ptg-color-text, whitesmoke);
}

.highlight {
  background: rgba(0, 0, 0, 0.5) !important;
  border-radius: var(--ptg-radius-md);
}

/* ============================================
   Tables
   ============================================ */
.md-typeset table:not([class]) {
  background: var(--ptg-glass-bg-light, rgba(22, 27, 34, 0.6));
  border: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2));
  border-radius: var(--ptg-radius-md);
  overflow: hidden;
}

.md-typeset table:not([class]) th {
  font-family: var(--ptg-font-heading);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(168, 85, 247, 0.2);
  color: var(--ptg-color-secondary);
}

.md-typeset table:not([class]) td {
  border-top: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2));
}

.md-typeset table:not([class]) tr:hover td {
  background: rgba(168, 85, 247, 0.05);
}

/* ============================================
   Blockquotes
   ============================================ */
.md-typeset blockquote {
  padding: var(--ptg-space-lg);
  background: rgba(168, 85, 247, 0.1);
  border-left: 4px solid var(--ptg-color-secondary);
  border-radius: var(--ptg-radius-sm);
  color: var(--ptg-color-muted, #8b949e);
}

/* ============================================
   Admonitions — Glass Style
   ============================================ */
/*
.md-typeset .admonition,
.md-typeset details {
  background: var(--ptg-glass-bg-light, rgba(22, 27, 34, 0.6)) !important;
  border: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2)) !important;
  border-radius: var(--ptg-radius-md) !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
*/
 

/*
.md-typeset .admonition-title,
.md-typeset summary {
  font-family: var(--ptg-font-heading);
  background: rgba(168, 85, 247, 0.15) !important;
  border-bottom: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2));
}
*/


.md-typeset .admonition.note,
.md-typeset details.note {
  border-left: 4px solid var(--ptg-color-primary) !important;
}

.md-typeset .admonition.warning,
.md-typeset details.warning {
  border-left: 4px solid var(--ptg-color-warning) !important;
}

/*
.md-typeset .admonition.tip,
.md-typeset details.tip,
.md-typeset .admonition.success,
.md-typeset details.success {
  border-left: 4px solid var(--ptg-color-success) !important;
}
*/

.md-typeset .admonition.danger,
.md-typeset details.danger,
.md-typeset .admonition.bug,
.md-typeset details.bug {
  border-left: 4px solid var(--ptg-color-error) !important;
}

.md-typeset .admonition.important,
.md-typeset details.important {
  border-left: 4px solid var(--ptg-color-secondary) !important;
}

.md-typeset .admonition.summary,
.md-typeset details.summary {
  border-left: 4px solid var(--ptg-color-success) !important;
}

.md-typeset .admonition.seealso,
.md-typeset details.seealso {
  border-left: 4px solid var(--ptg-color-accent) !important;
}

.md-typeset .admonition.todo,
.md-typeset details.todo {
  border-left: 4px solid var(--ptg-color-muted) !important;
}

/* ============================================
   Lists
   ============================================ */
.md-typeset ul li::marker {
  color: var(--ptg-color-primary);
}

.md-typeset ol li::marker {
  color: var(--ptg-color-secondary);
  font-family: var(--ptg-font-heading);
}

/* ============================================
   Buttons
   ============================================ */
.md-typeset .md-button {
  font-family: var(--ptg-font-heading);
  background: var(--ptg-gradient-purple-blue);
  border: none;
  border-radius: var(--ptg-radius-md);
  color: white !important;
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
  transition: all var(--ptg-transition-normal);
}

.md-typeset .md-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.4);
}

.md-typeset .md-button--primary {
  background: var(--ptg-gradient-purple-blue);
}

/* ============================================
   Footer — Glass Effect
   ============================================ */
.md-footer {
  background: var(--ptg-glass-bg, rgba(13, 17, 23, 0.75)) !important;
  border-top: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2));
  backdrop-filter: blur(var(--ptg-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ptg-glass-blur, 12px));
}

.md-footer-meta {
  background: transparent !important;
}

/* ============================================
   Search — Glass Effect
   ============================================ */
.md-search__form {
  background: var(--ptg-glass-bg-light, rgba(22, 27, 34, 0.6)) !important;
  border: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2));
  border-radius: var(--ptg-radius-md);
}

.md-search__output {
  background: var(--ptg-glass-bg, rgba(13, 17, 23, 0.75)) !important;
  border: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2));
  backdrop-filter: blur(var(--ptg-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ptg-glass-blur, 12px));
}

/* ============================================
   Tabs (content tabs)
   ============================================ */
.md-typeset .tabbed-labels > label {
  font-family: var(--ptg-font-heading);
  color: var(--ptg-color-muted, #8b949e);
  transition: all var(--ptg-transition-normal);
}

.md-typeset .tabbed-labels > label:hover {
  color: var(--ptg-color-primary);
}

.md-typeset .tabbed-labels > label--active,
.md-typeset .tabbed-set > input:checked + label {
  color: var(--ptg-color-primary);
  border-color: var(--ptg-color-primary);
}

/* ============================================
   Tags / Badges
   ============================================ */
.md-typeset .md-tag {
  font-family: var(--ptg-font-heading);
  font-size: 0.65rem;
  padding: 4px 12px;
  background: linear-gradient(145deg, rgba(20, 181, 255, 0.2), rgba(0, 112, 235, 0.15));
  border: 1px solid rgba(20, 181, 255, 0.4);
  border-radius: var(--ptg-radius-pill);
  color: #5ddbff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: all var(--ptg-transition-normal);
}

.md-typeset .md-tag:hover {
  background: linear-gradient(145deg, rgba(20, 181, 255, 0.3), rgba(0, 112, 235, 0.25));
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(20, 181, 255, 0.3);
}

/* ============================================
   Back-to-top Button
   ============================================ */
.md-top {
  background: var(--ptg-gradient-purple-blue) !important;
  color: white !important;
  border-radius: var(--ptg-radius-pill);
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.4);
}

/* ============================================
   Grid Cards
   ============================================ */
.md-typeset .grid.cards > ul > li {
  background: var(--ptg-glass-bg-light, rgba(22, 27, 34, 0.6)) !important;
  border: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2)) !important;
  border-radius: var(--ptg-radius-md) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2) !important;
  padding: var(--ptg-space-md) !important;
  transition: all var(--ptg-transition-normal) !important;
  display: flex;
  flex-direction: column;
}

.md-typeset .grid.cards > ul > li:hover {
  background: var(--ptg-glass-bg, rgba(13, 17, 23, 0.75)) !important;
  border-color: var(--ptg-glass-border-hover, rgba(168, 85, 247, 0.4)) !important;
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 40px rgba(168, 85, 247, 0.1) !important;
}

/* Card Title (the first bold line) */
.md-typeset .grid.cards > ul > li p:first-child strong {
  color: var(--ptg-color-primary);
  font-family: var(--ptg-font-heading);
  font-size: 1.1em;
  display: block;
  margin-bottom: 0.25rem;
}

.md-typeset .grid.cards > ul > li hr {
  border-top: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2)) !important;
  margin: var(--ptg-space-sm) 0 !important;
}

/* ============================================
   Math Containers
   ============================================ */
div.arithmatex,
.katex-display,
mjx-container[display="true"] {
  display: block;
  margin: var(--ptg-space-md) 0 !important;
  padding: var(--ptg-space-lg) !important;
  background: var(--ptg-glass-bg-light, rgba(22, 27, 34, 0.6)) !important;
  border: 1px solid var(--ptg-glass-border, rgba(168, 85, 247, 0.2)) !important;
  border-radius: var(--ptg-radius-md) !important;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  overflow-x: auto;
  overflow-y: hidden;
}

/* Base colors for math */
.MathJax,
mjx-container,
.katex {
  color: var(--ptg-color-math) !important;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-gradient {
  background: var(--ptg-gradient-blue-purple);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-glow {
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
}

.glow-purple {
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.4);
}

.glow-cyan {
  box-shadow: 0 0 30px rgba(20, 181, 255, 0.4);
}

.lg {
  font-size: 1.25rem !important;
}

.middle {
  vertical-align: middle !important;
}

/* Ensure images/icons inside .middle are aligned */
.middle img, 
.middle svg,
.middle .twemoji {
  vertical-align: middle !important;
  margin-bottom: 0.2em;
}

/* ============================================
   Fade-in Animation
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .md-typeset h1 {
    font-size: 1.5rem;
  }

  .md-typeset h2 {
    font-size: 1.25rem;
  }

  .md-main__inner {
    margin: var(--ptg-space-sm);
    gap: var(--ptg-space-sm);
    display: block;
    width: auto;
  }

  .md-sidebar {
    width: auto;
    position: static;
    margin: var(--ptg-space-sm);
    border-radius: var(--ptg-radius-md);
  }

  .md-content {
    padding: var(--ptg-space-lg);
    border-radius: var(--ptg-radius-md);
  }
}

@media (max-width: 480px) {
  .md-typeset h1 {
    font-size: 1.25rem;
  }
}

/* ============================================
   Print
   ============================================ */
@media print {
  body {
    background: white;
    color: black;
  }

  .md-content {
    background: white;
    border: 1px solid #ccc;
    box-shadow: none;
  }

  .md-typeset a {
    color: #333;
  }
}