/*
 *   Copyright (c) 2025 Anton Kundenko <singaraiona@gmail.com>
 *   All rights reserved.
 *
 *   Permission is hereby granted, free of charge, to any person obtaining a copy
 *   of this software and associated documentation files (the "Software"), to deal
 *   in the Software without restriction, including without limitation the rights
 *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *   copies of the Software, and to permit persons to whom the Software is
 *   furnished to do so, subject to the following conditions:
 *
 *   The above copyright notice and this permission notice shall be included in all
 *   copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *   SOFTWARE.
 */

/* ============================================================================
   PRODUCTION-GRADE COLOR PALETTE SYSTEM
   Navy & Gold Theme
   WCAG AA/AAA compliant, optimized for readability and low eye-strain
   ============================================================================ */

/* Brand Colors */
:root {
  --navy-900: #0A0E17;
  --navy-800: #111827;
  --navy-700: #1B365D;
  --navy-600: #1F3A5F;
  --navy-500: #2D4A6F;
  --navy-400: #4A6A8F;
  --navy-300: #7A9ABF;
  --navy-200: #B0C4DE;
  --navy-100: #E0E8F0;

  --gold-500: #E9A320;
  --gold-400: #F0B840;
  --gold-300: #F5CA6A;
  --gold-600: #C98A18;
  --gold-700: #A87014;
}

/* ----------------------------------------------------------------------------
   LIGHT MODE COLOR TOKENS
   ---------------------------------------------------------------------------- */
[data-md-color-scheme="default"] {
  /* Text Colors - High contrast, softened black */
  --text-primary: #1a1a1a;        /* Main body text - WCAG AAA (21:1) */
  --text-secondary: #4a5568;       /* Secondary text - WCAG AA (7.2:1) */
  --text-tertiary: #718096;       /* Tertiary/muted text - WCAG AA (4.8:1) */
  --text-muted: #64748B;
  --text-inverse: #ffffff;         /* Text on dark backgrounds */
  
  /* Background Colors - Light navy tones */
  --bg-primary: #ffffff;           /* Main background */
  --bg-secondary: var(--navy-100); /* Secondary background (cards, sections) */
  --bg-tertiary: var(--navy-200);  /* Tertiary background (hover states) */
  --bg-elevated: #ffffff;          /* Elevated surfaces (modals, dropdowns) */
  
  /* Border Colors - Subtle navy */
  --border-primary: var(--navy-200); /* Primary borders */
  --border-secondary: var(--navy-300); /* Secondary borders */
  --border-focus: var(--gold-500);    /* Focus ring (gold accent) */
  
  /* Accent Colors - Gold */
  --accent-primary: var(--gold-500);  /* Primary accent (gold) */
  --accent-hover: var(--gold-400);     /* Hover state - lighter gold */
  --accent-active: var(--gold-600);    /* Active state - darker gold */
  --accent-light: #fef3c7;             /* Light accent background */
  
  /* Link Colors */
  --link-color: var(--gold-600);       /* Links - matches accent */
  --link-hover: var(--gold-500);       /* Link hover */
  --link-visited: var(--gold-700);     /* Visited links */
  
  /* Code Colors - Subtle, readable */
  --code-bg: var(--navy-100);         /* Code block background */
  --code-text: #1a1a1a;               /* Code text */
  --code-border: var(--navy-200);      /* Code block border */
  --code-inline-bg: var(--navy-100);   /* Inline code background */
  
  /* Syntax Highlighting - Accessible, low-saturation */
  --code-hl-keyword: #7c3aed;         /* Keywords (purple) - WCAG AA */
  --code-hl-string: #059669;           /* Strings (green) - WCAG AA */
  --code-hl-number: var(--gold-600);  /* Numbers (gold) - WCAG AA */
  --code-hl-function: #0284c7;         /* Functions (blue) - WCAG AA */
  --code-hl-comment: #64748b;          /* Comments (muted gray) */
  --code-hl-operator: var(--navy-600); /* Operators (navy) */
  --code-hl-punctuation: #475569;      /* Punctuation (gray) */
  
  /* Callout Colors - Semantic, accessible */
  --callout-info-bg: #dbeafe;         /* Info background */
  --callout-info-border: #3b82f6;      /* Info border */
  --callout-info-text: #1e40af;        /* Info text */
  
  --callout-warn-bg: #fef3c7;         /* Warning background */
  --callout-warn-border: var(--gold-500); /* Warning border */
  --callout-warn-text: var(--gold-700);   /* Warning text */
  
  --callout-danger-bg: #fee2e2;       /* Danger background */
  --callout-danger-border: #ef4444;   /* Danger border */
  --callout-danger-text: #991b1b;     /* Danger text */
  
  --callout-success-bg: #d1fae5;      /* Success background */
  --callout-success-border: #10b981;  /* Success border */
  --callout-success-text: #065f46;    /* Success text */
  
  /* Shadow Colors */
  --shadow-sm: rgba(0, 0, 0, 0.05);
  --shadow-md: rgba(0, 0, 0, 0.1);
  --shadow-lg: rgba(0, 0, 0, 0.15);
  
  /* Gradients */
  --gradient-gold: linear-gradient(135deg, var(--gold-500), var(--gold-300));
  --gradient-hero: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 100%);
  --gradient-card: linear-gradient(145deg, rgba(27, 54, 93, 0.4) 0%, rgba(17, 24, 39, 0.8) 100%);
  
  /* Typography */
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --section-padding: clamp(2rem, 4vw, 3.5rem);
  --container-width: 1280px;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ----------------------------------------------------------------------------
   DARK MODE COLOR TOKENS
   ---------------------------------------------------------------------------- */
[data-md-color-scheme="slate"] {
  /* Text Colors - Soft white, not pure */
  --text-primary: #F8FAFC;         /* Main body text - WCAG AAA */
  --text-secondary: #94A3B8;       /* Secondary text - WCAG AA */
  --text-tertiary: #64748B;        /* Tertiary/muted text - WCAG AA */
  --text-muted: #64748B;
  --text-inverse: #1a1a1a;         /* Text on light backgrounds */
  
  /* Background Colors - Navy theme */
  --bg-primary: var(--navy-900);    /* Main background */
  --bg-secondary: var(--navy-800);  /* Secondary background */
  --bg-tertiary: #151D2E;           /* Tertiary background */
  --bg-elevated: var(--navy-800);   /* Elevated surfaces */
  
  /* Border Colors - Subtle navy */
  --border-primary: var(--navy-700);  /* Primary borders */
  --border-secondary: var(--navy-600); /* Secondary borders */
  --border-focus: var(--gold-500);     /* Focus ring (gold) */
  
  /* Accent Colors - Gold */
  --accent-primary: var(--gold-500);  /* Primary accent (gold) */
  --accent-hover: var(--gold-400);     /* Hover state - lighter gold */
  --accent-active: var(--gold-600);    /* Active state - darker gold */
  --accent-light: rgba(233, 163, 32, 0.2); /* Light accent background */
  
  /* Link Colors */
  --link-color: var(--gold-400);       /* Links */
  --link-hover: var(--gold-300);       /* Link hover */
  --link-visited: var(--gold-500);     /* Visited links */
  
  /* Code Colors */
  --code-bg: var(--navy-800);         /* Code block background */
  --code-text: #F8FAFC;               /* Code text */
  --code-border: var(--navy-700);     /* Code block border */
  --code-inline-bg: var(--navy-800);   /* Inline code background */
  
  /* Syntax Highlighting - Adjusted for dark mode */
  --code-hl-keyword: #a78bfa;         /* Keywords (lighter purple) */
  --code-hl-string: #34d399;           /* Strings (lighter green) */
  --code-hl-number: var(--gold-400);  /* Numbers (gold) */
  --code-hl-function: #60a5fa;        /* Functions (lighter blue) */
  --code-hl-comment: #94a3b8;         /* Comments (muted) */
  --code-hl-operator: var(--gold-500); /* Operators (gold) */
  --code-hl-punctuation: #cbd5e0;      /* Punctuation */
  
  /* Callout Colors - Darker backgrounds */
  --callout-info-bg: #1e3a5f;         /* Info background */
  --callout-info-border: #60a5fa;     /* Info border */
  --callout-info-text: #93c5fd;       /* Info text */
  
  --callout-warn-bg: rgba(233, 163, 32, 0.2); /* Warning background */
  --callout-warn-border: var(--gold-500);      /* Warning border */
  --callout-warn-text: var(--gold-300);        /* Warning text */
  
  --callout-danger-bg: #7f1d1d;       /* Danger background */
  --callout-danger-border: #f87171;   /* Danger border */
  --callout-danger-text: #fca5a5;     /* Danger text */
  
  --callout-success-bg: #064e3b;      /* Success background */
  --callout-success-border: #34d399;  /* Success border */
  --callout-success-text: #6ee7b7;    /* Success text */
  
  /* Shadow Colors - Lighter for dark mode */
  --shadow-sm: rgba(0, 0, 0, 0.3);
  --shadow-md: rgba(0, 0, 0, 0.5);
  --shadow-lg: rgba(0, 0, 0, 0.7);
  
  /* Gradients */
  --gradient-gold: linear-gradient(135deg, var(--gold-500), var(--gold-300));
  --gradient-hero: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 100%);
  --gradient-card: linear-gradient(145deg, rgba(27, 54, 93, 0.4) 0%, rgba(17, 24, 39, 0.8) 100%);
  
  /* Typography */
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --section-padding: clamp(2rem, 4vw, 3.5rem);
  --container-width: 1280px;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ============================================================================
   APPLICATION OF COLOR TOKENS
   ============================================================================ */

/* Base Typography */
.md-typeset {
  color: var(--text-primary);
}

.md-typeset p,
.md-typeset li {
  color: var(--text-primary);
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4,
.md-typeset h5,
.md-typeset h6 {
  color: var(--text-primary);
}

/* Links */
.md-typeset a {
  color: var(--link-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

.md-typeset a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.md-typeset a:visited {
  color: var(--link-visited);
}

/* Code Blocks */
.md-typeset pre {
  background-color: var(--code-bg) !important;
  border: 1px solid var(--code-border);
  color: var(--code-text);
}

.md-typeset code {
  background-color: var(--code-inline-bg);
  color: var(--code-text);
  padding: 0.125em 0.25em;
  border-radius: 0.25em;
}

.md-typeset pre code {
  background-color: transparent;
  padding: 0;
}

/* Syntax Highlighting */
:root {
  --md-code-hl-number-color: var(--code-hl-number);
  --md-code-hl-special-color: var(--code-hl-operator);
  --md-code-hl-function-color: var(--code-hl-function);
  --md-code-hl-constant-color: var(--code-hl-keyword);
  --md-code-hl-keyword-color: var(--code-hl-keyword);
  --md-code-hl-string-color: var(--code-hl-string);
  --md-code-hl-name-color: var(--code-hl-function);
  --md-code-hl-operator-color: var(--code-hl-operator);
  --md-code-hl-punctuation-color: var(--code-hl-punctuation);
  --md-code-hl-comment-color: var(--code-hl-comment);
  --md-code-hl-generic-color: var(--code-hl-function);
}

/* Header & Navigation */
.md-header {
  background-color: var(--accent-primary) !important;
  color: var(--text-inverse);
  border-bottom: none;
}

.md-tabs {
  background-color: transparent;
  border: none;
  padding: 0.5rem 0;
  box-shadow: none;
}

/* Transparent tabs for light mode */
[data-md-color-scheme="default"] .md-tabs {
  background-color: transparent;
  border: none;
  box-shadow: none;
}

/* Hide tabs on home page */
body:has(.hero-section) .md-tabs {
  display: none !important;
}

.md-tabs__link {
  font-weight: 500;
  transition: all 0.2s ease;
  padding: 0.6rem 1.2rem;
  margin: 0 0.25rem;
  border-radius: 8px 8px 0 0;
  display: inline-block;
}

.md-tabs__link:hover {
  opacity: 1;
  background-color: rgba(233, 163, 32, 0.2);
}

.md-tabs__link--active {
  opacity: 1;
}

/* Bookmark-style tabs for light mode - default (non-home pages) */
[data-md-color-scheme="default"] .md-tabs__link {
  color: #4a5568 !important;
  opacity: 0.9;
  background-color: transparent;
}

[data-md-color-scheme="default"] .md-tabs__link:hover {
  color: #1a1a1a !important;
  opacity: 1;
  background-color: rgba(233, 163, 32, 0.1);
}

/* White tabs only on home page with hero section */
body:has(.hero-section) [data-md-color-scheme="default"] .md-tabs__link {
  color: rgba(255, 255, 255, 0.8) !important;
}

body:has(.hero-section) [data-md-color-scheme="default"] .md-tabs__link:hover {
  color: rgba(255, 255, 255, 1) !important;
  background-color: rgba(233, 163, 32, 0.3);
}

[data-md-color-scheme="default"] .md-tabs__link--active {
  background-color: var(--accent-primary);
  color: white !important;
  font-weight: 700;
  opacity: 1;
  box-shadow: 0 -2px 8px rgba(233, 163, 32, 0.2);
}

/* Bookmark-style tabs for dark mode */
[data-md-color-scheme="slate"] .md-tabs__link {
  color: rgba(255, 255, 255, 0.7) !important;
}

[data-md-color-scheme="slate"] .md-tabs__link:hover {
  color: var(--accent-primary) !important;
  background-color: rgba(233, 163, 32, 0.1);
}

[data-md-color-scheme="slate"] .md-tabs__link--active {
  background-color: rgba(233, 163, 32, 0.2);
  color: var(--accent-primary) !important;
  font-weight: 700;
  box-shadow: 0 -2px 8px rgba(233, 163, 32, 0.15);
}

/* Search */
.md-search__input {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Light mode - dark text */
[data-md-color-scheme="default"] .md-search__input {
  color: #1a1a1a !important;
  background-color: rgba(255, 255, 255, 0.9);
}

[data-md-color-scheme="default"] .md-search__input::placeholder {
  color: rgba(26, 26, 26, 0.6);
}

/* Dark mode - white text */
[data-md-color-scheme="slate"] .md-search__input {
  color: white !important;
  background-color: rgba(255, 255, 255, 0.1);
}

[data-md-color-scheme="slate"] .md-search__input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

/* General input fields styling */
[data-md-color-scheme="default"] input,
[data-md-color-scheme="default"] textarea,
[data-md-color-scheme="default"] select {
  color: #1a1a1a !important;
}

[data-md-color-scheme="slate"] input,
[data-md-color-scheme="slate"] textarea,
[data-md-color-scheme="slate"] select {
  color: white !important;
}

/* Navigation */
.md-nav__link {
  color: var(--text-secondary);
}

.md-nav__link:hover {
  color: var(--accent-primary);
}

.md-nav__link--active {
  color: var(--accent-primary);
  font-weight: 600;
}

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

/* Tables - Full width of content area */
.md-typeset table {
  display: table;
  width: 100% !important;
  max-width: 100% !important;
  table-layout: auto;
  border: 1px solid var(--border-primary);
  border-collapse: collapse;
  margin: 1rem 0;
  box-sizing: border-box;
}

/* Ensure all table variants use full width */
.md-typeset > table,
.md-typeset table:not([class]),
.md-content__inner table,
.md-typeset .highlight table {
  width: 100% !important;
  max-width: 100% !important;
  display: table;
}

.md-typeset table th,
.md-typeset table td {
  border: 1px solid var(--border-primary);
  padding: 0.75rem 1rem;
  text-align: left;
  word-wrap: break-word;
}

/* Remove max-width constraints to allow full-width tables */
.md-content {
  max-width: 100% !important;
}

.md-content__inner {
  max-width: 100% !important;
}

.md-typeset table th {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.md-typeset table tr:hover {
  background-color: var(--bg-tertiary);
}

/* Admonitions (Callouts) */
.md-typeset .admonition {
  border-left: 4px solid;
  box-shadow: 0 2px 4px var(--shadow-sm);
}

.md-typeset .admonition.info {
  background-color: var(--callout-info-bg);
  border-color: var(--callout-info-border);
}

.md-typeset .admonition.info .admonition-title {
  background-color: var(--callout-info-border);
  color: var(--text-inverse);
}

.md-typeset .admonition.warning {
  background-color: var(--callout-warn-bg);
  border-color: var(--callout-warn-border);
}

.md-typeset .admonition.warning .admonition-title {
  background-color: var(--callout-warn-border);
  color: var(--text-inverse);
}

.md-typeset .admonition.danger {
  background-color: var(--callout-danger-bg);
  border-color: var(--callout-danger-border);
}

.md-typeset .admonition.danger .admonition-title {
  background-color: var(--callout-danger-border);
  color: var(--text-inverse);
}

.md-typeset .admonition.tip,
.md-typeset .admonition.success {
  background-color: var(--callout-success-bg);
  border-color: var(--callout-success-border);
}

.md-typeset .admonition.tip .admonition-title,
.md-typeset .admonition.success .admonition-title {
  background-color: var(--callout-success-border);
  color: var(--text-inverse);
}

/* Buttons & Interactive Elements */
.md-button {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border: 1px solid var(--accent-primary);
  transition: all 0.2s ease;
}

.md-button:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.md-button--primary {
  background-color: var(--accent-primary);
}

.md-button--primary:hover {
  background-color: var(--accent-hover);
}

/* Focus States - Accessibility */
*:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* Code Highlighting Background */
.highlight {
  background-color: var(--code-bg);
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

.flex-container {
  display: flex;
  justify-content: flex-start;
}

.text-item {
  width: 20%;
  padding-right: 2%;
}

.player-item {
  width: 78%;
}

.ray-dense td,
.ray-dense th {
  font-size: 85%;
  padding: 0 .4em;
}

.ray-dense th {
  border-bottom: 1px solid var(--border-primary);
  opacity: .7;
  text-align: left;
}

.ray-dense thead {
  border-bottom: 1px solid var(--border-secondary);
}

/* REPL styling */
.language-clj {
  font-size: 0.9em;
}

.asciinema-player,
.asciinema-player * {
  font-size: 12px !important;
  display: block;
  overflow-x: auto;
  font-family: 'Roboto Mono', 'Source Code Pro', 'SF Mono', 'SFMono-Regular', ui-monospace, 'DejaVu Sans Mono', 'Menlo',
    'Consolas', 'Roboto', monospace;
  white-space-collapse: preserve;
  text-wrap: nowrap;
}

/* ============================================================================
   BENCHMARK VISUAL ELEMENTS
   ============================================================================ */

/* Benchmark stat cards */
.benchmark-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.benchmark-stats > div {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.benchmark-stats > div:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(233, 163, 32, 0.2);
}

/* Progress bars for performance comparisons */
.benchmark-progress-bar {
  background: var(--bg-tertiary);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.benchmark-progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width var(--transition-base);
  display: flex;
  align-items: center;
  padding-left: 0.5rem;
  color: white;
  font-weight: 600;
  font-size: 0.85rem;
}

/* Performance cards */
.performance-card {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.performance-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.performance-card--highlight {
  border: 2px solid var(--gold-500);
  box-shadow: 0 4px 12px rgba(233, 163, 32, 0.15);
}

/* Feature cards */
.feature-card {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: 12px;
  border-left: 4px solid var(--gold-500);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(233, 163, 32, 0.1);
}