:root {
  /* ==========================================================================
     Luminous Logic Theme - Palette Overrides
     ========================================================================== */
  
  /* Primary Hues (Indigo/Violet/Cyan) */
  --md-primary-fg-color:        #6366f1; /* Indigo 500 */
  --md-primary-fg-color--light: #818cf8; /* Indigo 400 */
  --md-primary-fg-color--dark:  #4f46e5; /* Indigo 600 */
  --md-accent-fg-color:         #06b6d4; /* Cyan 500 */
  
  /* Fonts */
  --md-text-font-family: "Outfit", -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;
  --md-code-font-family: "JetBrains Mono", "Fira Code", monospace;

  /* Custom Glass Variables */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
  --glass-blur: 12px;
}

/* Dark Mode Overrides */
[data-md-color-scheme="slate"] {
  --md-default-bg-color: #030712; /* Slate 950 - Deeper dark */
  --md-default-fg-color--light: #94a3b8; /* Slate 400 */
  
  /* Deep Midnight Gradient Background - Darker */
  --md-default-bg-image: radial-gradient(at 0% 0%, hsla(253,16%,3%,1) 0, transparent 50%), 
                         radial-gradient(at 50% 0%, hsla(225,39%,15%,1) 0, transparent 50%), 
                         radial-gradient(at 100% 0%, hsla(339,49%,15%,1) 0, transparent 50%);
                         
  --glass-bg: rgba(3, 7, 18, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

/* Light Mode Overrides (Refined "Ethereal Daybreak" Theme) */
[data-md-color-scheme="default"] {
  --md-default-bg-color: #f8fafc; /* Slate 50 */
  --md-default-fg-color: #334155; /* Slate 700 */
  --md-default-fg-color--light: #64748b; /* Slate 500 */
  
  /* Soft Morning Gradient Background */
  --md-default-bg-image: 
    radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 100% 0%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);

  /* Cleaner, brighter glass for light mode */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: 
    0 4px 6px -1px rgba(148, 163, 184, 0.1), 
    0 2px 4px -1px rgba(148, 163, 184, 0.06),
    inset 0 0 0 1px rgba(255, 255, 255, 0.5); /* Inner light ring */
  --glass-blur: 16px;
  
  /* Stronger primary for contrast */
  --md-primary-fg-color: #4f46e5; /* Indigo 600 */
  --md-accent-fg-color: #0891b2; /* Cyan 600 */
}

/* ==========================================================================
   Structural Enhancements
   ========================================================================== */

/* Header - Floating Glass Bar */
.md-header {
  background-color: transparent;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: none;
}

[data-md-color-scheme="default"] .md-header {
  background-color: rgba(255, 255, 255, 0.85); /* Increased opacity */
  border-bottom: 1px solid rgba(226, 232, 240, 0.8); /* Slate 200 */
  color: #1e293b; /* Slate 800 */
}

[data-md-color-scheme="default"] .md-header__title,
[data-md-color-scheme="default"] .md-header__button,
[data-md-color-scheme="default"] .md-tabs__link {
  color: #334155; /* Slate 700 */
  font-weight: 500;
}

[data-md-color-scheme="default"] .md-tabs__link:hover,
[data-md-color-scheme="default"] .md-tabs__link--active {
  color: #4f46e5; /* Indigo 600 */
  background-color: transparent;
  box-shadow: none;
}

/* Light Mode H1 - Solid & Sharp (Clean up previous redundant rule) */
/* The rule is now handled globally above with specific overrides */

[data-md-color-scheme="slate"] .md-header {
  background-color: rgba(15, 23, 42, 0.7);
}

/* Sidebar Navigation - Glassy */
.md-sidebar {
  background: transparent;
}

/* Tabs Navigation - Pill Style */
.md-tabs {
  background-color: transparent;
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(5px);
}

.md-tabs__link {
  transition: color 0.3s ease;
  border-radius: 0;
  margin: 0 4px;
}

.md-tabs__link:hover {
  background-color: transparent;
  color: var(--md-accent-fg-color);
  transform: none;
  box-shadow: none;
}

.md-tabs__link--active {
  background-color: transparent;
  color: var(--md-accent-fg-color);
  font-weight: 700;
}

/* ==========================================================================
   Content Components
   ========================================================================== */

/* Main Content Area - Subtle Entry Animation */
.md-content {
  animation: fadeUp 0.6s ease-out forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Headings - Clean & Bold */
h1 {
  /* Removed gradient for cleaner look across both modes */
  background: none;
  -webkit-text-fill-color: initial;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

/* Light Mode H1 Override (Explicit) */
[data-md-color-scheme="default"] .md-typeset h1 {
  color: #0f172a; /* Slate 900 */
}

/* Dark Mode H1 Override (Explicit) */
[data-md-color-scheme="slate"] .md-typeset h1 {
  color: #f8fafc; /* Slate 50 - Bright white */
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.1); /* Subtle glow */
}

/* Code Blocks - Floating Terminals */
.md-typeset pre > code {
  background-color: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  box-shadow: var(--glass-shadow);
  padding: 1.2rem;
  font-size: 0.9em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.md-typeset pre > code:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.2);
  border-color: var(--md-accent-fg-color);
}

/* Light Mode Code Blocks - Clear Boundaries */
[data-md-color-scheme="default"] .md-typeset pre > code {
  background-color: #f8fafc; /* Slate 50 - Light background */
  border: 1px solid #cbd5e1; /* Slate 300 - Clear visible border */
  box-shadow: 
    0 1px 3px 0 rgba(0, 0, 0, 0.08),
    0 1px 2px -1px rgba(0, 0, 0, 0.04);
  color: #1e293b; /* Slate 800 - Dark text */
}

[data-md-color-scheme="default"] .md-typeset pre > code:hover {
  border-color: #94a3b8; /* Slate 400 */
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

/* Inline Code - Light Mode */
[data-md-color-scheme="default"] .md-typeset code:not(pre > code) {
  background-color: #f1f5f9; /* Slate 100 */
  border: 1px solid #e2e8f0; /* Slate 200 */
  border-radius: 6px;
  padding: 0.15em 0.4em;
  color: #be185d; /* Pink 700 - Better contrast */
}

/* Dark Mode Inline Code */
[data-md-color-scheme="slate"] .md-typeset code:not(pre > code) {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  padding: 0.15em 0.4em;
}

/* Admonitions - Soft Glow */
.md-typeset .admonition, 
.md-typeset details {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(5px);
  transition: all 0.3s ease;
}

.md-typeset .admonition:hover, 
.md-typeset details:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  border-color: var(--md-primary-fg-color--light);
}

.md-typeset .admonition__title, 
.md-typeset summary {
  background: rgba(var(--md-primary-fg-color), 0.1);
  border-bottom: 1px solid var(--glass-border);
}

/* Tables - Rounded & Clean */
.md-typeset table:not([class]) {
  border-radius: 12px;
  box-shadow: 0 0 0 1px var(--glass-border);
  overflow: hidden;
  background: var(--glass-bg);
}

.md-typeset table:not([class]) th {
  background: rgba(99, 102, 241, 0.1); /* Indigo tint */
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

/* Buttons - Neumorphic Lift */
.md-button {
  border-radius: 50px;
  font-weight: 700;
  padding: 0.6em 1.4em;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background-image: linear-gradient(135deg, var(--md-primary-fg-color), var(--md-primary-fg-color--dark));
  color: white !important;
  border: none;
  box-shadow: 0 4px 6px rgba(79, 70, 229, 0.3);
}

.md-button:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 15px rgba(79, 70, 229, 0.4);
  filter: brightness(1.1);
}

.md-button--primary {
  background-image: linear-gradient(135deg, var(--md-accent-fg-color), #0891b2); /* Cyan to darker cyan */
  box-shadow: 0 4px 6px rgba(6, 182, 212, 0.3);
}

/* ==========================================================================
   Landing Page Hero (Custom Classes)
   ========================================================================== */
.hero-container {
  text-align: center;
  padding: 4rem 1rem;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  margin-bottom: 3rem;
  border-radius: 24px;
  border: 1px solid var(--glass-border);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  margin-bottom: 1rem;
  background: linear-gradient(to right, #6366f1, #06b6d4, #ec4899);
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--md-default-fg-color--light);
  max-width: 800px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

/* Card Grid Enhancements */
.grid.cards > ul > li {
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.grid.cards > ul > li:hover {
  transform: translateY(-8px);
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.2);
}

.grid.cards > ul > li hr {
  margin: 1rem 0;
  border-bottom: 1px solid var(--glass-border);
}

/* ==========================================================================
   Copy to LLM Button Styling (Inline H1 Action)
   ========================================================================== */
.copy-llm-inline-container {
  float: right;
  margin-left: 1rem;
  margin-top: 0.2rem; /* Fine tune alignment with text baseline */
  vertical-align: middle;
}

.copy-llm-btn-inline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem 0.4rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50px; /* Pill shape */
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
  
  /* Reset H1 inheritances */
  letter-spacing: normal;
  text-transform: none;
}

.copy-llm-btn-inline svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
  opacity: 0.9;
}

.copy-llm-btn-inline:hover {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.15);
}

.copy-llm-btn-inline.copy-success {
  color: #10b981; /* Emerald 500 */
  border-color: #10b981;
  background-color: rgba(16, 185, 129, 0.1);
}

.copy-llm-text {
  font-size: 0.85rem;
  white-space: nowrap;
}

/* Light mode adjustments */
[data-md-color-scheme="default"] .copy-llm-btn-inline {
  border-color: rgba(0, 0, 0, 0.15);
  background: rgba(0, 0, 0, 0.05);
  color: rgba(0, 0, 0, 0.7);
}

[data-md-color-scheme="default"] .copy-llm-btn-inline:hover {
  border-color: rgba(0, 0, 0, 0.25);
  background: rgba(0, 0, 0, 0.08);
}

/* Mobile responsive */
@media screen and (max-width: 45em) {
  .copy-llm-text {
    display: none;
  }
  .copy-llm-btn-inline {
    padding: 0.4rem;
  }
}