/* ====================================
   Sierra Dev - PURE BLACK THEME
   Colors: Pure Black, Bright Red, Bright Green
   ==================================== */

:root {
  /* Custom brand colors */
  --sierra-red: #ff0000;
  --sierra-green: #00ff00;
  --sierra-black: #000000;
  --sierra-white: #ffffff;
}

/* Dark Theme Variables */
[data-md-color-scheme="slate"] {
  --md-default-bg-color: #000000;        /* Pure Black Background */
  --md-default-fg-color: #ffffff;        /* Pure White Text */
  --md-default-bg-color--light: #111111;
  --md-default-bg-color--lighter: #222222;
  --md-default-bg-color--lightest: #ffffff;
  
  /* Navigation colors */
  --md-nav-bg-color: #e600ff;
  --md-nav-fg-color: #ffffff;
  
  /* Code block styling */
  --md-code-bg-color: #111111;
  --md-code-fg-color: #00ff00;           /* Bright Green for code */
  
  /* Card and surface colors */
  --md-primary-bg-color: #000000;
  --md-primary-bg-color--light: #111111;
}

/* ====================================
   HEADER CUSTOMIZATION - FIXED
   ==================================== */

/* Header with cleaner background */
.md-header {
  background: var(--sierra-black);
  border-bottom: 1px solid rgba(0, 255, 0, 0.3);
  box-shadow: 0 2px 10px rgba(245, 245, 245, 0.5);
}

/* Logo with subtle glow */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  filter: drop-shadow(0 0 5px rgba(0, 255, 0, 0.5));
  transition: all 0.3s ease;
}

.md-header__button.md-logo:hover img,
.md-header__button.md-logo:hover svg {
  filter: drop-shadow(0 0 8px rgba(0, 255, 0, 0.8));
  transform: scale(1.02);
}

/* Header title - more readable */
.md-header__title {
  color: var(--sierra-white);
  font-weight: 600;
}

.md-header__title:hover {
  color: var(--sierra-green);
}

/* ====================================
   NAVIGATION STYLING - FIXED
   ==================================== */

/* Navigation tabs with better contrast */
.md-tabs__list {
  background: var(--sierra-black);
  border-bottom: 1px solid rgba(0, 255, 0, 0.3);
}

.md-tabs__item {
  transition: all 0.3s ease;
}

.md-tabs__item:hover {
  background: rgba(0, 255, 0, 0.1);
}

.md-tabs__link {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  transition: all 0.3s ease;
}

.md-tabs__link:hover {
  color: var(--sierra-green);
}

.md-tabs__link--active {
  color: var(--sierra-red);
  border-bottom: 2px solid var(--sierra-green);
}

/* Sidebar navigation - FIXED */
.md-nav {
  background: var(--sierra-black);
}

.md-nav__item--active > .md-nav__link {
  color: var(--sierra-green);
  border-left: 3px solid var(--sierra-green);
  background: rgba(0, 255, 200, 0.08);
  padding-left: 13px;
}

.md-nav__link {
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.2s ease;
}

.md-nav__link:hover {
  color: var(--sierra-white);
  background: rgba(255, 0, 0, 0.08);
  padding-left: 16px;
}

/* ====================================
   CONTENT STYLING - FIXED
   ==================================== */

/* Main content area */
.md-main__inner {
  margin-top: 0;
}

/* Article styling with better spacing */
.md-content__inner {
  padding-bottom: 2rem;
  background: var(--sierra-black);
  color: var(--sierra-white);
}

/* Headings - more readable */
.md-content h1 {
  color: var(--sierra-green);
  border-bottom: 2px solid var(--sierra-green);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

.md-content h2 {
  color: var(--sierra-red);
  border-left: 4px solid var(--sierra-red);
  padding-left: 1rem;
  margin-left: 0;
  background: rgba(255, 0, 0, 0.05);
}

.md-content h3 {
  color: var(--sierra-green);
  position: relative;
}

.md-content h3::before {
  content: "▶";
  color: var(--sierra-red);
  margin-right: 0.5rem;
}

/* Better text contrast */
.md-content p,
.md-content li {
  color: rgba(255, 255, 255, 0.9);
}

/* ====================================
   CODE BLOCKS & SYNTAX HIGHLIGHTING - FIXED
   ==================================== */

/* Code blocks with better contrast */
.md-typeset .highlight {
  background: #111111;
  border: 1px solid rgba(0, 255, 0, 0.3);
  border-radius: 6px;
  overflow: hidden;
}

.md-typeset .highlight pre {
  background: #111111;
  color: var(--sierra-white);
}

.md-typeset .highlight code {
  color: var(--sierra-white);
  background: transparent;
}

/* Syntax highlighting colors */
.md-typeset .highlight .k,
.md-typeset .highlight .kd,
.md-typeset .highlight .kn { color: var(--sierra-red); }

.md-typeset .highlight .s,
.md-typeset .highlight .s1,
.md-typeset .highlight .s2 { color: var(--sierra-green); }

.md-typeset .highlight .n,
.md-typeset .highlight .nv { color: rgba(255, 255, 255, 0.9); }

.md-typeset .highlight .c,
.md-typeset .highlight .c1 { color: rgba(253, 0, 0, 0.6); }

.md-typeset .highlight .nb { color: #00ffff; }

/* Inline code - more readable */
.md-typeset code {
  background: rgba(0, 0, 0, 0.8);
  color: var(--sierra-green);
  border: 1px solid rgba(0, 255, 0, 0.2);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-weight: 500;
}

/* Copy code button */
.md-clipboard {
  background: rgba(0, 255, 0, 0.2);
  color: var(--sierra-green);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.md-clipboard:hover {
  background: rgba(0, 255, 0, 0.3);
}

/* ====================================
   ADMONITIONS & CALLOUTS
   ==================================== */

/* Custom admonition styling */
.md-typeset .admonition {
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.md-typeset .admonition:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
}

/* Tip admonition */
.md-typeset .admonition.tip {
  border-left: 4px solid var(--sierra-green);
  background: rgba(0, 255, 0, 0.05);
}

.md-typeset .admonition.tip .admonition-title {
  background: rgba(0, 255, 0, 0.1);
  color: var(--sierra-green);
}

/* Warning admonition */
.md-typeset .admonition.warning {
  border-left: 4px solid var(--sierra-red);
  background: rgba(255, 0, 0, 0.05);
}

.md-typeset .admonition.warning .admonition-title {
  background: rgba(255, 0, 0, 0.1);
  color: var(--sierra-red);
}

/* ====================================
   BUTTONS & INTERACTIVE ELEMENTS
   ==================================== */

/* Enhanced buttons */
.md-button {
  color: var(--sierra-white);
  border: none;
  border-radius: 25px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
}

.md-button:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 25px rgba(255, 0, 0, 0.5);
  filter: brightness(1.1);
}

/* Search input */
.md-search__input {
  background: var(--sierra-black);
  border: 2px solid var(--sierra-green);
  color: var(--sierra-white);
  border-radius: 25px;
}

.md-search__input:focus {
  border-color: var(--sierra-red);
  box-shadow: 0 0 15px rgba(248, 248, 248, 0.3);
}

/* ====================================
   TABLES & DATA PRESENTATION
   ==================================== */

/* Enhanced table styling - FIXED */
.md-typeset table:not([class]) {
  border: 1px solid rgba(0, 255, 0, 0.3);
  border-radius: 8px;
  overflow: hidden;
  background: var(--sierra-black);
}

.md-typeset table:not([class]) th {
  background: rgba(0, 255, 0, 0.1);
  color: var(--sierra-green);
  font-weight: 600;
  border-bottom: 2px solid var(--sierra-green);
  padding: 12px 16px;
}

.md-typeset table:not([class]) td {
  background: var(--sierra-black);
  color: var(--sierra-white);
  border-bottom: 1px solid rgba(0, 255, 0, 0.1);
  padding: 12px 16px;
}

.md-typeset table:not([class]) tr:hover td {
  background: rgba(0, 255, 0, 0.05);
}

/* ====================================
   FOOTER CUSTOMIZATION
   ==================================== */

/* Footer with gradient */
.md-footer {
  background: linear-gradient(135deg, var(--sierra-black) 0%, #111111 50%, var(--sierra-black) 100%);
  border-top: 2px solid var(--sierra-green);
  color: var(--sierra-white);
}

.md-footer-meta {
  background: rgba(0, 255, 0, 0.1);
}

/* ====================================
   ANIMATIONS & EFFECTS
   ==================================== */

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

/* Fade-in animation for content */
.md-content {
  animation: fadeInUp 0.6s ease-out;
}

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

/* Pulse animation for active elements */
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 255, 0, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(0, 255, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 255, 0, 0); }
}

.md-nav__link--active {
  animation: pulse 2s infinite;
}

/* ====================================
   RESPONSIVE DESIGN
   ==================================== */

/* Mobile optimizations */
@media screen and (max-width: 76.1875em) {
  .md-header__title {
    font-size: 1.2rem;
  }
  
  .md-tabs__link {
    font-size: 0.9rem;
    color: #ffffff;
  }
}

@media screen and (max-width: 44.9375em) {
  .md-content h1 {
    font-size: 1.8rem;
  }
  
  .md-button {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}

/* ====================================
   ACCESSIBILITY ENHANCEMENTS
   ==================================== */

/* Focus indicators */
*:focus {
  outline: 2px solid var(--sierra-green);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --sierra-red: #ff3333;
    --sierra-green: #33ff33;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Make sure active or focused tabs stay bright in dark mode */
[data-md-color-scheme="slate"] .md-tabs__link--active,
[data-md-color-scheme="slate"] .md-tabs__link:focus {
  color: var(--sierra-green) !important;
  background: rgba(0, 255, 0, 0.1) !important;
}

/* Force active tab text visible in dark (slate) mode */
[data-md-color-scheme="slate"] .md-tabs__item--active > .md-tabs__link {
  color: var(--sierra-green) !important;
}

/* And even when you hover/focus it */
[data-md-color-scheme="slate"] .md-tabs__item--active > .md-tabs__link:hover,
[data-md-color-scheme="slate"] .md-tabs__item--active > .md-tabs__link:focus {
  color: var(--sierra-green) !important;
  background: rgba(0, 255, 0, 0.1) !important;
}

/* Force search input text & placeholder visible in dark (slate) mode */
[data-md-color-scheme="slate"] .md-search__input {
  color: var(--md-default-fg-color) !important;
  background-color: var(--md-default-bg-color) !important;
  caret-color: var(--sierra-green) !important;
}

/* Placeholder text */
[data-md-color-scheme="slate"] .md-search__input::placeholder {
  color: rgba(255, 255, 255, 0.6) !important;
}

/* When focused, keep border & shadow consistent */
[data-md-color-scheme="slate"] .md-search__input:focus {
  border-color: var(--sierra-green) !important;
  box-shadow: 0 0 15px rgba(0, 255, 0, 0.3) !important;
}

/* =============================================================================
   ENSURE SOURCE & SEARCH ICONS VISIBLE IN DARK (SLATE) MODE
   ============================================================================= */

/* GitHub / "Source" link icon */
[data-md-color-scheme="slate"] .md-source__icon,
[data-md-color-scheme="slate"] .md-source__icon .md-icon,
[data-md-color-scheme="slate"] .md-source__icon svg {
  color: var(--md-default-fg-color) !important;
  fill:  var(--md-default-fg-color) !important;
  stroke: var(--md-default-fg-color) !important;
}

/* Search toggle button icon (magnifier) */
[data-md-color-scheme="slate"] .md-header__button.md-toggle[data-md-toggle="search"] .md-icon,
[data-md-color-scheme="slate"] .md-search .md-icon {
  color: var(--md-default-fg-color) !important;
  fill:  var(--md-default-fg-color) !important;
  stroke: var(--md-default-fg-color) !important;
}

/* Search field "clear" / close icon (if present) */
[data-md-color-scheme="slate"] .md-search__button .md-icon {
  color: var(--md-default-fg-color) !important;
  fill:  var(--md-default-fg-color) !important;
  stroke: var(--md-default-fg-color) !important;
}

[data-md-color-scheme="slate"] .md-tabs,
[data-md-color-scheme="slate"] .md-tabs .md-grid {
  background-color: #000 !important;
  width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  box-sizing: border-box !important;
}

/* --- Header layout fix for slate (dark mode) --- */
[data-md-color-scheme="slate"] .md-header__inner {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  width: 100% !important;
  max-width: none !important;
}

[data-md-color-scheme="slate"] .md-header__inner::before,
[data-md-color-scheme="slate"] .md-header__inner::after {
  content: '' !important;
  flex: 1 !important;
}

[data-md-color-scheme="slate"] .md-header__button.md-logo,
[data-md-color-scheme="slate"] .md-header__title {
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
}

[data-md-color-scheme="slate"] .md-search {
  flex-grow: 1 !important;
  max-width: 500px !important;
  margin: 0 auto !important;
}

[data-md-color-scheme="slate"] .md-header__source {
  display: flex !important;
  align-items: center !important;
  margin-left: auto !important;
}

[data-md-color-scheme="slate"] .md-grid {
  max-width: none !important;
  padding: 0 1rem !important;
  width: 100% !important;
}