/* Light theme - custom red */
[data-md-color-scheme="custom-red"] {
  /* Color hue */
  --md-hue: 0deg;

  /* Primary colors */
  --md-primary-fg-color: #dc2626;
  --md-primary-fg-color--light: #fecaca;
  --md-primary-fg-color--dark: #991b1b;
  --md-primary-bg-color: #ffffff;
  --md-primary-bg-color--light: rgba(255, 255, 255, 0.7);

  /* Accent colors */
  --md-accent-fg-color: #f59e0b;
  --md-accent-fg-color--transparent: rgba(245, 158, 11, 0.1);
  --md-accent-bg-color: #ffffff;
  --md-accent-bg-color--light: rgba(255, 255, 255, 0.7);

  /* Default colors */
  --md-default-fg-color: rgba(0, 0, 0, 0.87);
  --md-default-fg-color--light: rgba(0, 0, 0, 0.54);
  --md-default-fg-color--lighter: rgba(0, 0, 0, 0.32);
  --md-default-fg-color--lightest: rgba(0, 0, 0, 0.07);
  --md-default-bg-color: #ffffff;
  --md-default-bg-color--light: rgba(255, 255, 255, 0.7);
  --md-default-bg-color--lighter: rgba(255, 255, 255, 0.3);
  --md-default-bg-color--lightest: rgba(255, 255, 255, 0.12);

  /* Code colors */
  --md-code-fg-color: #37474f;
  --md-code-bg-color: #f5f5f5;
  --md-code-hl-color: #2196f3;
  --md-code-hl-color--light: rgba(33, 150, 243, 0.1);

  /* Code highlighting syntax colors */
  --md-code-hl-number-color: #d32f2f;
  --md-code-hl-special-color: #db1457;
  --md-code-hl-function-color: #7b1fa2;
  --md-code-hl-constant-color: #8e24aa;
  --md-code-hl-keyword-color: #1976d2;
  --md-code-hl-string-color: #388e3c;
  --md-code-hl-name-color: var(--md-code-fg-color);
  --md-code-hl-operator-color: var(--md-default-fg-color--light);
  --md-code-hl-punctuation-color: var(--md-default-fg-color--light);
  --md-code-hl-comment-color: var(--md-default-fg-color--light);
  --md-code-hl-generic-color: var(--md-default-fg-color--light);
  --md-code-hl-variable-color: var(--md-default-fg-color--light);

  /* Typeset colors */
  --md-typeset-color: var(--md-default-fg-color);
  --md-typeset-a-color: var(--md-primary-fg-color);
  --md-typeset-del-color: rgba(255, 23, 68, 0.15);
  --md-typeset-ins-color: rgba(76, 175, 80, 0.15);
  --md-typeset-kbd-color: #fafafa;
  --md-typeset-kbd-accent-color: #ffffff;
  --md-typeset-kbd-border-color: #b8b8b8;
  --md-typeset-mark-color: rgba(255, 193, 7, 0.5);
  --md-typeset-table-color: rgba(0, 0, 0, 0.12);
  --md-typeset-table-color--light: rgba(0, 0, 0, 0.035);

  /* Header colors */
  --md-typeset-h1-color: #0f172a;
  --md-typeset-h2-color: #1f2937;
  --md-typeset-h3-color: #374151;
  --md-typeset-h4-color: #4b5563;
  --md-typeset-h5-color: #6b7280;
  --md-typeset-h6-color: #9ca3af;

  /* Navigation */
  --md-nav-item-text-color: #475569;

  /* Admonition colors */
  --md-admonition-fg-color: var(--md-default-fg-color);
  --md-admonition-bg-color: var(--md-default-bg-color);

  /* Warning colors */
  --md-warning-fg-color: rgba(0, 0, 0, 0.87);
  --md-warning-bg-color: #ffeb3b;

  /* Footer colors */
  --md-footer-fg-color: #ffffff;
  --md-footer-fg-color--light: rgba(255, 255, 255, 0.7);
  --md-footer-fg-color--lighter: rgba(255, 255, 255, 0.45);
  --md-footer-bg-color: rgba(0, 0, 0, 0.87);
  --md-footer-bg-color--dark: rgba(0, 0, 0, 0.32);

  /* Light color scheme */
  color-scheme: light;
}

/* Dark theme - custom red dark */
[data-md-color-scheme="custom-red-dark"] {
  /* Color hue */
  --md-hue: 0deg;

  /* Primary colors */
  --md-primary-fg-color: #ef4444;
  --md-primary-fg-color--light: #fca5a5;
  --md-primary-fg-color--dark: #dc2626;
  --md-primary-bg-color: #0f172a;
  --md-primary-bg-color--light: rgba(15, 23, 42, 0.7);

  /* Accent colors */
  --md-accent-fg-color: #fbbf24;
  --md-accent-fg-color--transparent: rgba(251, 191, 36, 0.1);
  --md-accent-bg-color: #0f172a;
  --md-accent-bg-color--light: rgba(15, 23, 42, 0.7);

  /* Default colors */
  --md-default-fg-color: #f1f5f9;
  --md-default-fg-color--light: #cbd5e1;
  --md-default-fg-color--lighter: #94a3b8;
  --md-default-fg-color--lightest: rgba(148, 163, 184, 0.1);
  --md-default-bg-color: #0f172a;
  --md-default-bg-color--light: rgba(15, 23, 42, 0.7);
  --md-default-bg-color--lighter: rgba(15, 23, 42, 0.3);
  --md-default-bg-color--lightest: rgba(15, 23, 42, 0.12);

  /* Code colors */
  --md-code-fg-color: #f1f5f9;
  --md-code-bg-color: #1e293b;
  --md-code-hl-color: #60a5fa;
  --md-code-hl-color--light: rgba(96, 165, 250, 0.15);

  /* Code highlighting syntax colors */
  --md-code-hl-number-color: #f87171;
  --md-code-hl-special-color: #f472b6;
  --md-code-hl-function-color: #a78bfa;
  --md-code-hl-constant-color: #c084fc;
  --md-code-hl-keyword-color: #60a5fa;
  --md-code-hl-string-color: #4ade80;
  --md-code-hl-name-color: var(--md-code-fg-color);
  --md-code-hl-operator-color: var(--md-default-fg-color--light);
  --md-code-hl-punctuation-color: var(--md-default-fg-color--light);
  --md-code-hl-comment-color: var(--md-default-fg-color--light);
  --md-code-hl-generic-color: var(--md-default-fg-color--light);
  --md-code-hl-variable-color: var(--md-default-fg-color--light);

  /* Typeset colors */
  --md-typeset-color: var(--md-default-fg-color);
  --md-typeset-a-color: var(--md-primary-fg-color);
  --md-typeset-del-color: rgba(248, 113, 113, 0.15);
  --md-typeset-ins-color: rgba(74, 222, 128, 0.15);
  --md-typeset-kbd-color: #334155;
  --md-typeset-kbd-accent-color: #475569;
  --md-typeset-kbd-border-color: #64748b;
  --md-typeset-mark-color: rgba(251, 191, 36, 0.3);
  --md-typeset-table-color: rgba(148, 163, 184, 0.12);
  --md-typeset-table-color--light: rgba(148, 163, 184, 0.035);

  /* Header colors */
  --md-typeset-h1-color: #ffffff;
  --md-typeset-h2-color: #f8fafc;
  --md-typeset-h3-color: #f1f5f9;
  --md-typeset-h4-color: #e2e8f0;
  --md-typeset-h5-color: #cbd5e1;
  --md-typeset-h6-color: #94a3b8;

  /* Navigation */
  --md-nav-item-text-color: #cbd5e1;

  /* Admonition colors */
  --md-admonition-fg-color: var(--md-default-fg-color);
  --md-admonition-bg-color: var(--md-default-bg-color);

  /* Warning colors */
  --md-warning-fg-color: #f1f5f9;
  --md-warning-bg-color: #fbbf24;

  /* Footer colors */
  --md-footer-fg-color: #cbd5e1;
  --md-footer-fg-color--light: rgba(203, 213, 225, 0.7);
  --md-footer-fg-color--lighter: rgba(203, 213, 225, 0.45);
  --md-footer-bg-color: #1e293b;
  --md-footer-bg-color--dark: rgba(30, 41, 59, 0.5);

  /* Dark color scheme */
  color-scheme: dark;
}

/* Header styling */
[data-md-color-scheme="custom-red"] .md-header,
[data-md-color-scheme="custom-red-dark"] .md-header {
  background-color: var(--md-primary-fg-color);
}

[data-md-color-scheme="custom-red"] .md-header__title,
[data-md-color-scheme="custom-red-dark"] .md-header__title {
  color: white;
}

[data-md-color-scheme="custom-red"] .md-header__button.md-logo,
[data-md-color-scheme="custom-red-dark"] .md-header__button.md-logo {
  color: white;
}

[data-md-color-scheme="custom-red"] .md-tabs__link,
[data-md-color-scheme="custom-red-dark"] .md-tabs__link {
  color: rgba(255, 255, 255, 0.9);
}

[data-md-color-scheme="custom-red"] .md-tabs__link--active,
[data-md-color-scheme="custom-red-dark"] .md-tabs__link--active {
  color: white;
}

/* Specific dark mode fixes */
[data-md-color-scheme="custom-red-dark"] .md-typeset small,
[data-md-color-scheme="custom-red-dark"] .md-typeset time,
[data-md-color-scheme="custom-red-dark"] .md-source-date {
  color: var(--md-nav-item-text-color);
}

/* Sidebar section titles in dark mode */
[data-md-color-scheme="custom-red-dark"] .md-nav__title {
  color: var(--md-typeset-h3-color) !important;
}

/* Reading time and metadata in dark mode */
[data-md-color-scheme="custom-red-dark"] .md-meta__inner,
[data-md-color-scheme="custom-red-dark"] .md-meta {
  color: var(--md-nav-item-text-color) !important;
}

/* Typography enhancements */
[data-md-color-scheme="custom-red"] .md-typeset h1,
[data-md-color-scheme="custom-red-dark"] .md-typeset h1 {
  font-weight: 700;
  letter-spacing: -0.025em;
}

[data-md-color-scheme="custom-red"] .md-typeset h2,
[data-md-color-scheme="custom-red-dark"] .md-typeset h2 {
  font-weight: 600;
  letter-spacing: -0.015em;
}

[data-md-color-scheme="custom-red"] .md-typeset p,
[data-md-color-scheme="custom-red-dark"] .md-typeset p {
  line-height: 1.7;
}

/* Hero section styling */
[data-md-color-scheme="custom-red"] .md-typeset h1:first-child + h2,
[data-md-color-scheme="custom-red-dark"] .md-typeset h1:first-child + h2 {
  color: var(--md-default-fg-color--light);
  font-size: 1.25rem;
  font-weight: 400;
  margin-top: -0.5rem;
  margin-bottom: 2rem;
}

/* Reading progress bar */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--md-primary-fg-color), var(--md-accent-fg-color));
  z-index: 1000;
  transition: width 0.3s ease;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--md-primary-fg-color);
  color: white;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* Enhanced button styles */
[data-md-color-scheme="custom-red"] .md-button,
[data-md-color-scheme="custom-red-dark"] .md-button {
  border-radius: 0.375rem;
  padding: 0.5rem 1rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

[data-md-color-scheme="custom-red"] .md-button--primary,
[data-md-color-scheme="custom-red-dark"] .md-button--primary {
  background-color: var(--md-primary-fg-color);
  border-color: var(--md-primary-fg-color);
  color: white;
}

[data-md-color-scheme="custom-red"] .md-button--primary:hover,
[data-md-color-scheme="custom-red-dark"] .md-button--primary:hover {
  background-color: var(--md-primary-fg-color--dark);
  border-color: var(--md-primary-fg-color--dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

/* Enhanced card hover effects */
[data-md-color-scheme="custom-red"] .card:hover,
[data-md-color-scheme="custom-red-dark"] .card:hover {
  transform: translateY(-2px);
}

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

/* ========================================
   Typography System - Main Website Alignment
   ======================================== */

/* Font rendering optimization - Force consistent rendering across browsers */
* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Body typography with Inter stylistic sets */
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  font-feature-settings: 'cv11', 'ss01'; /* Inter stylistic alternates */
}

/* Headings with Playfair Display for elegance */
h1, h2, h3, h4,
.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4 {
  font-family: 'Playfair Display', Georgia, serif !important;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* Hero/Large title styling */
.md-typeset h1 {
  font-size: 1.75rem; /* 28px */
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

/* Section title styling */
.md-typeset h2 {
  font-size: 1.5rem; /* 24px */
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Subsection title styling */
.md-typeset h3 {
  font-size: 1.25rem; /* 20px */
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Small heading styling */
.md-typeset h4 {
  font-size: 1.125rem; /* 18px */
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Subtitle styling with Inter */
.md-typeset .subtitle,
.md-typeset p.subtitle {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 1.375rem; /* 22px */
  font-weight: 400;
  color: #86868b;
  letter-spacing: -0.01em;
}

/* Enhanced body text readability */
.md-typeset p {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
}

/* Mobile Responsive Typography */
@media (max-width: 768px) {
  .md-typeset h1 {
    font-size: 1.5rem; /* 24px on mobile */
  }

  .md-typeset h2 {
    font-size: 1.25rem; /* 20px on mobile */
  }

  .md-typeset h3 {
    font-size: 1.125rem; /* 18px on mobile */
  }

  .md-typeset h4 {
    font-size: 1.0625rem; /* 17px on mobile */
  }

  .md-typeset .subtitle,
  .md-typeset p.subtitle {
    font-size: 1.125rem; /* 18px on mobile */
  }
}

/* Ensure navigation uses Inter */
.md-nav,
.md-tabs,
.md-header,
.md-footer {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Blog post metadata and UI elements with Inter */
.md-meta,
.md-button,
.md-tag {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}