/* ==========================================================================
   Archivus Documentation - Design System

   Enterprise + Dark themes with Apple-level spacing, engineering-forward aesthetic.
   Built with MkDocs Material.

   Authors:
     - Claude (Anthropic) - AI pair programmer
     - UbiShip Ltd Engineering Team

   Copyright (c) 2025-2026 UbiShip Ltd. All rights reserved.

   Design tokens derived from Archivus frontend color system.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design Tokens
   Based on frontend color system: Enterprise (Light) + Dark
   -------------------------------------------------------------------------- */

:root {
  /* === Enterprise Light Theme === */
  /* Backgrounds - Warm eggshell, not sterile white */
  --archivus-bg: #F7F5F0;
  --archivus-bg-elevated: #FAFAF8;
  --archivus-bg-surface: #FFFFFF;

  /* Foreground - Ink */
  --archivus-fg: #1F2328;
  --archivus-fg-muted: #57606A;
  --archivus-fg-subtle: #8B949E;

  /* Accent - Archivus Blue */
  --archivus-accent: #2D6FD9;
  --archivus-accent-hover: #1D5BBF;
  --archivus-accent-subtle: rgba(45, 111, 217, 0.08);

  /* Borders */
  --archivus-border: #E5E2DB;
  --archivus-border-subtle: #F0EDE6;

  /* Semantic */
  --archivus-success: #1A7F37;
  --archivus-warning: #9A6700;
  --archivus-error: #CF222E;
  --archivus-info: #0969DA;

  /* Code */
  --archivus-code-bg: #F6F8FA;
  --archivus-code-fg: #1F2328;

  /* Spacing scale (8px base) */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.5rem;    /* 24px */
  --space-6: 2rem;      /* 32px */
  --space-7: 2.5rem;    /* 40px */
  --space-8: 3rem;      /* 48px */
  --space-9: 4rem;      /* 64px */
  --space-10: 5rem;     /* 80px */
  --space-11: 6rem;     /* 96px */
  --space-12: 8rem;     /* 128px */

  /* Typography */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", monospace;

  /* Transitions */
  --transition-fast: 120ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Apply to MkDocs - IMPORTANT: primary-fg is header BG, primary-bg is header TEXT */
  --md-primary-fg-color: #F7F5F0;
  --md-primary-fg-color--light: #FAFAF8;
  --md-primary-fg-color--dark: #F0EDE6;
  --md-primary-bg-color: #1F2328;
  --md-primary-bg-color--light: #57606A;
  --md-accent-fg-color: #2D6FD9;
  --md-accent-fg-color--transparent: rgba(45, 111, 217, 0.1);
  --md-default-bg-color: #F7F5F0;
  --md-default-fg-color: #1F2328;
  --md-default-fg-color--light: #57606A;
  --md-default-fg-color--lighter: #8B949E;
  --md-code-bg-color: #F6F8FA;
  --md-code-fg-color: #1F2328;
  --md-typeset-a-color: #2D6FD9;
}

/* Light mode explicit overrides */
[data-md-color-scheme="default"] {
  /* Primary colors - but we DON'T want white text on header */
  --md-primary-fg-color: #F7F5F0;  /* Header BACKGROUND (confusing naming) */
  --md-primary-fg-color--light: #FAFAF8;
  --md-primary-fg-color--dark: #F0EDE6;
  --md-primary-bg-color: #1F2328;  /* Header TEXT color (confusing naming) */
  --md-primary-bg-color--light: #57606A;

  /* Accent for links */
  --md-accent-fg-color: #2D6FD9;
  --md-accent-fg-color--transparent: rgba(45, 111, 217, 0.1);

  /* Default page colors */
  --md-default-bg-color: #F7F5F0;
  --md-default-fg-color: #1F2328;
  --md-default-fg-color--light: #57606A;
  --md-default-fg-color--lighter: #8B949E;
  --md-typeset-a-color: #2D6FD9;
}

/* --------------------------------------------------------------------------
   Dark Theme
   Material dark with Violet accent
   -------------------------------------------------------------------------- */

[data-md-color-scheme="slate"] {
  /* Backgrounds */
  --archivus-bg: #121212;
  --archivus-bg-elevated: #1a1a1a;
  --archivus-bg-surface: #242424;

  /* Foreground */
  --archivus-fg: #e0e0e0;
  --archivus-fg-muted: #a0a0a0;
  --archivus-fg-subtle: #6b6b6b;

  /* Accent - Archivus Violet */
  --archivus-accent: #8b5cf6;
  --archivus-accent-hover: #a78bfa;
  --archivus-accent-subtle: rgba(139, 92, 246, 0.1);

  /* Borders */
  --archivus-border: #2d2d2d;
  --archivus-border-subtle: #1f1f1f;

  /* Semantic - Brighter for dark mode */
  --archivus-success: #3FB950;
  --archivus-warning: #D29922;
  --archivus-error: #F85149;
  --archivus-info: #58A6FF;

  /* Code */
  --archivus-code-bg: #1e1e1e;
  --archivus-code-fg: #e0e0e0;

  /* MkDocs overrides - Dark mode */
  /* IMPORTANT: primary-fg is header BG, primary-bg is header TEXT */
  --md-primary-fg-color: #121212;
  --md-primary-fg-color--light: #1a1a1a;
  --md-primary-fg-color--dark: #0a0a0a;
  --md-primary-bg-color: #e0e0e0;
  --md-primary-bg-color--light: #a0a0a0;

  --md-accent-fg-color: #8b5cf6;
  --md-accent-fg-color--transparent: rgba(139, 92, 246, 0.1);

  --md-default-bg-color: #121212;
  --md-default-bg-color--light: #1a1a1a;
  --md-default-bg-color--lighter: #242424;
  --md-default-fg-color: #e0e0e0;
  --md-default-fg-color--light: #a0a0a0;
  --md-default-fg-color--lighter: #6b6b6b;
  --md-code-bg-color: #1e1e1e;
  --md-code-fg-color: #e0e0e0;
  --md-typeset-a-color: #8b5cf6;
  --md-footer-bg-color: #0a0a0a;
  --md-footer-bg-color--dark: #0a0a0a;
}

/* --------------------------------------------------------------------------
   Global Reset & Base
   -------------------------------------------------------------------------- */

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--archivus-bg);
  transition: background-color 0.3s ease;
}

/* Smooth theme transitions */
*,
*::before,
*::after {
  transition-property: background-color, border-color, color, fill, stroke;
  transition-duration: 0s;
  transition-timing-function: ease;
}

/* Enable transitions only after page load to prevent flash */
.js *,
.js *::before,
.js *::after {
  transition-duration: 0.2s;
}

/* Main content area */
.md-main {
  background: var(--archivus-bg);
  transition: background-color 0.3s ease;
}

[data-md-color-scheme="slate"] .md-main {
  background: var(--archivus-bg);
}

/* --------------------------------------------------------------------------
   Typography - Precision Hierarchy
   -------------------------------------------------------------------------- */

.md-typeset {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--archivus-fg);
}

.md-typeset h1 {
  font-size: 2.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: var(--space-6);
  color: var(--archivus-fg);
}

.md-typeset h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-top: var(--space-9);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--archivus-border);
}

.md-typeset h3 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.4;
  margin-top: var(--space-7);
  margin-bottom: var(--space-3);
}

.md-typeset h4 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.5;
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

.md-typeset h5,
.md-typeset h6 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--archivus-fg-muted);
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
}

.md-typeset p {
  margin-bottom: var(--space-4);
}

/* Paragraph spacing refinement */
.md-typeset p + p {
  margin-top: var(--space-4);
}

/* Lead paragraphs (first after h1) */
.md-typeset h1 + p {
  font-size: 1.125rem;
  color: var(--archivus-fg-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Links - Subtle, purposeful
   -------------------------------------------------------------------------- */

.md-typeset a {
  color: var(--archivus-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.md-typeset a:hover {
  color: var(--archivus-accent-hover);
}

/* Underline only on hover for inline links */
.md-typeset p a,
.md-typeset li a {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 2px;
  transition: text-decoration-color var(--transition-fast), color var(--transition-fast);
}

.md-typeset p a:hover,
.md-typeset li a:hover {
  text-decoration-color: var(--archivus-accent);
}

/* --------------------------------------------------------------------------
   Code - Engineering-forward
   -------------------------------------------------------------------------- */

.md-typeset code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  padding: 0.15em 0.4em;
  background: var(--archivus-code-bg);
  border-radius: var(--radius-sm);
  color: var(--archivus-code-fg);
  font-feature-settings: "liga" 0;  /* Disable ligatures in inline code */
}

.md-typeset pre {
  position: relative;
  margin: var(--space-5) 0;
  padding: 0;
  background: var(--archivus-code-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--archivus-border);
  overflow: hidden;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.md-typeset pre > code {
  display: block;
  padding: var(--space-5);
  background: none;
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: auto;
  color: var(--archivus-code-fg);
}

/* Dark mode code blocks */
[data-md-color-scheme="slate"] .md-typeset pre {
  background: var(--archivus-code-bg);
  border-color: var(--archivus-border);
}

[data-md-color-scheme="slate"] .md-typeset pre > code {
  color: var(--archivus-code-fg);
}

[data-md-color-scheme="slate"] .md-typeset code {
  background: var(--archivus-code-bg);
  color: var(--archivus-code-fg);
}

/* Code block scrollbar */
.md-typeset pre > code::-webkit-scrollbar {
  height: 6px;
}

.md-typeset pre > code::-webkit-scrollbar-track {
  background: transparent;
}

.md-typeset pre > code::-webkit-scrollbar-thumb {
  background: var(--archivus-border);
  border-radius: 3px;
}

/* Copy button refinement */
.md-clipboard {
  color: var(--archivus-fg-subtle);
  transition: color var(--transition-fast);
}

.md-clipboard:hover {
  color: var(--archivus-accent);
}

/* --------------------------------------------------------------------------
   Tables - Clean, scannable
   -------------------------------------------------------------------------- */

.md-typeset table:not([class]) {
  font-size: 0.875rem;
  border: 1px solid var(--archivus-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: var(--space-5) 0;
}

.md-typeset table:not([class]) th {
  background: var(--archivus-bg-elevated);
  font-weight: 600;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--archivus-border);
  color: var(--archivus-fg);
}

.md-typeset table:not([class]) td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--archivus-border-subtle);
  vertical-align: top;
}

.md-typeset table:not([class]) tr:last-child td {
  border-bottom: none;
}

.md-typeset table:not([class]) tbody tr:hover td {
  background: var(--archivus-accent-subtle);
}

/* --------------------------------------------------------------------------
   Lists - Generous spacing
   -------------------------------------------------------------------------- */

.md-typeset ul,
.md-typeset ol {
  margin: var(--space-4) 0;
  padding-left: var(--space-5);
}

.md-typeset li {
  margin-bottom: var(--space-2);
}

.md-typeset li > p {
  margin-bottom: var(--space-2);
}

/* Nested lists */
.md-typeset li ul,
.md-typeset li ol {
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}

/* --------------------------------------------------------------------------
   Blockquotes - Subtle emphasis
   -------------------------------------------------------------------------- */

.md-typeset blockquote {
  margin: var(--space-5) 0;
  padding: var(--space-4) var(--space-5);
  border-left: 3px solid var(--archivus-accent);
  background: var(--archivus-accent-subtle);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.md-typeset blockquote p {
  margin: 0;
  color: var(--archivus-fg-muted);
}

/* --------------------------------------------------------------------------
   Horizontal Rules - Breathing room
   -------------------------------------------------------------------------- */

.md-typeset hr {
  margin: var(--space-9) 0;
  border: none;
  border-top: 1px solid var(--archivus-border);
}

/* --------------------------------------------------------------------------
   Admonitions - Minimal, functional
   -------------------------------------------------------------------------- */

.md-typeset .admonition,
.md-typeset details {
  margin: var(--space-5) 0;
  border: 1px solid var(--archivus-border);
  border-radius: var(--radius-md);
  background: var(--archivus-bg-elevated);
  box-shadow: none;
  overflow: hidden;
}

.md-typeset .admonition-title,
.md-typeset details summary {
  padding: var(--space-3) var(--space-4);
  background: transparent;
  border-bottom: 1px solid var(--archivus-border-subtle);
  font-weight: 600;
  font-size: 0.875rem;
}

.md-typeset .admonition > :last-child,
.md-typeset details > :last-child {
  margin-bottom: 0;
}

.md-typeset .admonition > :not(.admonition-title),
.md-typeset details > :not(summary) {
  padding: var(--space-4);
}

/* --------------------------------------------------------------------------
   Tabs - Clean segmented control
   -------------------------------------------------------------------------- */

.md-typeset .tabbed-set {
  margin: var(--space-5) 0;
}

.md-typeset .tabbed-labels {
  border-bottom: 1px solid var(--archivus-border);
}

.md-typeset .tabbed-labels > label {
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  color: var(--archivus-fg-muted);
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

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

.md-typeset .tabbed-labels > label.tabbed-label--active {
  color: var(--archivus-accent);
  border-bottom-color: var(--archivus-accent);
}

/* --------------------------------------------------------------------------
   Navigation - Sticky, refined, theme-aware
   -------------------------------------------------------------------------- */

/* ==========================================================================
   LIGHT MODE - Header & Navigation
   ========================================================================== */

/* Base header - Light */
[data-md-color-scheme="default"] .md-header {
  background: var(--archivus-bg);
  border-bottom: 1px solid var(--archivus-border);
  box-shadow: none;
  color: #1F2328 !important;
}

@supports (backdrop-filter: blur(12px)) {
  [data-md-color-scheme="default"] .md-header {
    background: rgba(247, 245, 240, 0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
  }
}

/* EVERYTHING in header - Light - FORCE OVERRIDE */
[data-md-color-scheme="default"] .md-header,
[data-md-color-scheme="default"] .md-header *,
[data-md-color-scheme="default"] .md-header a,
[data-md-color-scheme="default"] .md-header span,
[data-md-color-scheme="default"] .md-header div,
[data-md-color-scheme="default"] .md-header label {
  color: #1F2328 !important;
}

/* Override Material's primary-bg-color usage in header */
[data-md-color-scheme="default"] .md-header {
  --md-primary-bg-color: #1F2328;
  --md-primary-bg-color--light: #57606A;
}

/* Header elements - Light */
[data-md-color-scheme="default"] .md-header__button {
  color: #1F2328 !important;
}

[data-md-color-scheme="default"] .md-header__button:hover {
  color: #2D6FD9 !important;
}

[data-md-color-scheme="default"] .md-header__button.md-logo {
  color: #2D6FD9 !important;
}

[data-md-color-scheme="default"] .md-header__title {
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #1F2328 !important;
}

[data-md-color-scheme="default"] .md-header__topic {
  color: #1F2328 !important;
}

[data-md-color-scheme="default"] .md-header__topic + .md-header__topic {
  color: #57606A !important;
}

[data-md-color-scheme="default"] .md-header__ellipsis {
  color: #1F2328 !important;
}

/* Site title and tagline - Light */
[data-md-color-scheme="default"] .md-header .md-ellipsis {
  color: #1F2328 !important;
}

/* Source/repo link - Light */
[data-md-color-scheme="default"] .md-source {
  color: #1F2328 !important;
}

[data-md-color-scheme="default"] .md-source__repository {
  color: #1F2328 !important;
}

[data-md-color-scheme="default"] .md-source__fact {
  color: #57606A !important;
}

[data-md-color-scheme="default"] .md-source:hover {
  color: #2D6FD9 !important;
}

/* Header icons - Light */
[data-md-color-scheme="default"] .md-header .md-icon svg {
  fill: #1F2328 !important;
}

[data-md-color-scheme="default"] .md-header .md-icon {
  color: #1F2328 !important;
}

[data-md-color-scheme="default"] .md-header__button:hover .md-icon svg {
  fill: #2D6FD9 !important;
}

[data-md-color-scheme="default"] .md-header__button:hover .md-icon {
  color: #2D6FD9 !important;
}

/* All header SVGs and paths - Light */
[data-md-color-scheme="default"] .md-header svg {
  fill: #1F2328 !important;
}

[data-md-color-scheme="default"] .md-header svg path {
  fill: #1F2328 !important;
}

[data-md-color-scheme="default"] .md-header a:hover svg,
[data-md-color-scheme="default"] .md-header a:hover svg path {
  fill: #2D6FD9 !important;
}

/* Search icon - Light */
[data-md-color-scheme="default"] .md-search__icon {
  color: #57606A !important;
}

[data-md-color-scheme="default"] .md-search__icon svg {
  fill: #57606A !important;
}

/* Tabs - Light */
[data-md-color-scheme="default"] .md-tabs {
  background: transparent;
  border-bottom: 1px solid #E5E2DB;
  --md-primary-bg-color: #57606A;
}

[data-md-color-scheme="default"] .md-tabs__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: #57606A !important;
  opacity: 1 !important;
}

[data-md-color-scheme="default"] .md-tabs__link:hover,
[data-md-color-scheme="default"] .md-tabs__link--active {
  color: #2D6FD9 !important;
}

[data-md-color-scheme="default"] .md-tabs__item {
  color: #57606A !important;
}

/* ==========================================================================
   DARK MODE - Header & Navigation
   ========================================================================== */

/* Base header - Dark */
[data-md-color-scheme="slate"] .md-header {
  background: #121212;
  border-bottom: 1px solid #2d2d2d;
  box-shadow: none;
  color: #e0e0e0 !important;
}

@supports (backdrop-filter: blur(12px)) {
  [data-md-color-scheme="slate"] .md-header {
    background: rgba(18, 18, 18, 0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
  }
}

/* EVERYTHING in header - Dark - FORCE OVERRIDE */
[data-md-color-scheme="slate"] .md-header,
[data-md-color-scheme="slate"] .md-header *,
[data-md-color-scheme="slate"] .md-header a,
[data-md-color-scheme="slate"] .md-header span,
[data-md-color-scheme="slate"] .md-header div,
[data-md-color-scheme="slate"] .md-header label {
  color: #e0e0e0 !important;
}

/* Override Material's primary colors in header context */
[data-md-color-scheme="slate"] .md-header {
  --md-primary-bg-color: #e0e0e0;
  --md-primary-bg-color--light: #a0a0a0;
}

/* Header elements - Dark */
[data-md-color-scheme="slate"] .md-header__button {
  color: #e0e0e0 !important;
}

[data-md-color-scheme="slate"] .md-header__button:hover {
  color: #8b5cf6 !important;
}

[data-md-color-scheme="slate"] .md-header__button.md-logo {
  color: #8b5cf6 !important;
}

[data-md-color-scheme="slate"] .md-header__title {
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #e0e0e0 !important;
}

[data-md-color-scheme="slate"] .md-header__topic {
  color: #e0e0e0 !important;
}

[data-md-color-scheme="slate"] .md-header__topic + .md-header__topic {
  color: #a0a0a0 !important;
}

[data-md-color-scheme="slate"] .md-header__ellipsis {
  color: #e0e0e0 !important;
}

/* Site title and tagline - Dark */
[data-md-color-scheme="slate"] .md-header .md-ellipsis {
  color: #e0e0e0 !important;
}

/* Source/repo link - Dark */
[data-md-color-scheme="slate"] .md-source {
  color: #e0e0e0 !important;
}

[data-md-color-scheme="slate"] .md-source__repository {
  color: #e0e0e0 !important;
}

[data-md-color-scheme="slate"] .md-source__fact {
  color: #a0a0a0 !important;
}

[data-md-color-scheme="slate"] .md-source:hover {
  color: #8b5cf6 !important;
}

/* Header icons - Dark */
[data-md-color-scheme="slate"] .md-header .md-icon svg {
  fill: #e0e0e0 !important;
}

[data-md-color-scheme="slate"] .md-header .md-icon {
  color: #e0e0e0 !important;
}

[data-md-color-scheme="slate"] .md-header__button:hover .md-icon svg {
  fill: #8b5cf6 !important;
}

[data-md-color-scheme="slate"] .md-header__button:hover .md-icon {
  color: #8b5cf6 !important;
}

/* All header SVGs and paths - Dark */
[data-md-color-scheme="slate"] .md-header svg {
  fill: #e0e0e0 !important;
}

[data-md-color-scheme="slate"] .md-header svg path {
  fill: #e0e0e0 !important;
}

[data-md-color-scheme="slate"] .md-header a:hover svg,
[data-md-color-scheme="slate"] .md-header a:hover svg path {
  fill: #8b5cf6 !important;
}

/* Search icon - Dark */
[data-md-color-scheme="slate"] .md-search__icon {
  color: #a0a0a0 !important;
}

[data-md-color-scheme="slate"] .md-search__icon svg {
  fill: #a0a0a0 !important;
}

/* Tabs - Dark */
[data-md-color-scheme="slate"] .md-tabs {
  background: transparent;
  border-bottom: 1px solid #2d2d2d;
}

[data-md-color-scheme="slate"] .md-tabs__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: #a0a0a0 !important;
  opacity: 1 !important;
}

[data-md-color-scheme="slate"] .md-tabs__link:hover,
[data-md-color-scheme="slate"] .md-tabs__link--active {
  color: #8b5cf6 !important;
}

/* ==========================================================================
   Sidebar Navigation - Both Modes
   ========================================================================== */

/* Sidebar - Light */
[data-md-color-scheme="default"] .md-sidebar {
  background: #F7F5F0;
}

[data-md-color-scheme="default"] .md-nav__link {
  font-size: 0.875rem;
  color: #57606A !important;
}

[data-md-color-scheme="default"] .md-nav__link:hover {
  color: #2D6FD9 !important;
}

[data-md-color-scheme="default"] .md-nav__link--active {
  color: #2D6FD9 !important;
  font-weight: 500;
}

[data-md-color-scheme="default"] .md-nav__title {
  color: #1F2328 !important;
  font-weight: 600;
}

[data-md-color-scheme="default"] .md-nav__item--nested > .md-nav__link {
  color: #1F2328 !important;
}

/* Sidebar - Dark */
[data-md-color-scheme="slate"] .md-sidebar {
  background: #121212;
}

[data-md-color-scheme="slate"] .md-nav__link {
  font-size: 0.875rem;
  color: #a0a0a0 !important;
}

[data-md-color-scheme="slate"] .md-nav__link:hover {
  color: #8b5cf6 !important;
}

[data-md-color-scheme="slate"] .md-nav__link--active {
  color: #8b5cf6 !important;
  font-weight: 500;
}

[data-md-color-scheme="slate"] .md-nav__title {
  color: #e0e0e0 !important;
  font-weight: 600;
}

[data-md-color-scheme="slate"] .md-nav__item--nested > .md-nav__link {
  color: #e0e0e0 !important;
}

/* TOC (right sidebar) */
.md-nav--secondary .md-nav__link {
  font-size: 0.8125rem;
}

/* --------------------------------------------------------------------------
   Content Width & Layout
   -------------------------------------------------------------------------- */

.md-content {
  max-width: 100%;
}

/* Generous content padding */
.md-content__inner {
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
}

@media screen and (min-width: 76.25em) {
  .md-content__inner {
    padding: var(--space-9) var(--space-8);
  }
}

/* --------------------------------------------------------------------------
   Footer - Minimal, theme-aware
   -------------------------------------------------------------------------- */

.md-footer {
  margin-top: var(--space-11);
  background: var(--archivus-bg-elevated);
  border-top: 1px solid var(--archivus-border);
  transition: background var(--transition-base), border-color var(--transition-base);
}

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

.md-footer__link {
  color: var(--archivus-fg-muted);
  transition: color var(--transition-fast);
}

.md-footer__link:hover {
  color: var(--archivus-accent);
}

/* Dark mode footer */
[data-md-color-scheme="slate"] .md-footer {
  background: #0a0a0a;
  border-top-color: var(--archivus-border);
}

[data-md-color-scheme="slate"] .md-footer-meta {
  background: transparent;
}

[data-md-color-scheme="slate"] .md-footer__link {
  color: var(--archivus-fg-muted);
}

[data-md-color-scheme="slate"] .md-footer__link:hover {
  color: var(--archivus-accent);
}

/* Social links */
.md-social__link {
  color: var(--archivus-fg-muted);
  transition: color var(--transition-fast);
}

.md-social__link:hover {
  color: var(--archivus-accent);
}

[data-md-color-scheme="slate"] .md-social__link {
  color: var(--archivus-fg-muted);
}

[data-md-color-scheme="slate"] .md-social__link:hover {
  color: var(--archivus-accent);
}

/* Copyright */
.md-copyright {
  color: var(--archivus-fg-subtle);
}

[data-md-color-scheme="slate"] .md-copyright {
  color: var(--archivus-fg-subtle);
}

/* --------------------------------------------------------------------------
   Search - Clean modal, theme-aware
   -------------------------------------------------------------------------- */

/* Search - Light Mode */
[data-md-color-scheme="default"] .md-search__form {
  background: #FAFAF8;
  border: 1px solid #E5E2DB;
  border-radius: var(--radius-md);
}

[data-md-color-scheme="default"] .md-search__input {
  font-size: 0.875rem;
  color: #1F2328 !important;
}

[data-md-color-scheme="default"] .md-search__input::placeholder {
  color: #8B949E !important;
}

[data-md-color-scheme="default"] .md-search__icon {
  color: #57606A !important;
}

[data-md-color-scheme="default"] .md-search__icon svg {
  fill: #57606A;
}

[data-md-color-scheme="default"] .md-search__output {
  background: #FFFFFF;
  border: 1px solid #E5E2DB;
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

[data-md-color-scheme="default"] .md-search-result__link:hover {
  background: rgba(45, 111, 217, 0.08);
}

[data-md-color-scheme="default"] .md-search-result__title {
  color: #1F2328 !important;
}

[data-md-color-scheme="default"] .md-search-result__teaser {
  color: #57606A !important;
}

/* Search - Dark Mode */
[data-md-color-scheme="slate"] .md-search__form {
  background: #1a1a1a;
  border: 1px solid #2d2d2d;
  border-radius: var(--radius-md);
}

[data-md-color-scheme="slate"] .md-search__input {
  font-size: 0.875rem;
  color: #e0e0e0 !important;
}

[data-md-color-scheme="slate"] .md-search__input::placeholder {
  color: #6b6b6b !important;
}

[data-md-color-scheme="slate"] .md-search__icon {
  color: #a0a0a0 !important;
}

[data-md-color-scheme="slate"] .md-search__icon svg {
  fill: #a0a0a0;
}

[data-md-color-scheme="slate"] .md-search__output {
  background: #242424;
  border: 1px solid #2d2d2d;
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

[data-md-color-scheme="slate"] .md-search-result__link:hover {
  background: rgba(139, 92, 246, 0.1);
}

[data-md-color-scheme="slate"] .md-search-result__title {
  color: #e0e0e0 !important;
}

[data-md-color-scheme="slate"] .md-search-result__teaser {
  color: #a0a0a0 !important;
}

/* --------------------------------------------------------------------------
   Buttons - Solid, minimal, theme-aware
   -------------------------------------------------------------------------- */

.md-typeset .md-button {
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--archivus-border);
  background: var(--archivus-bg-elevated);
  color: var(--archivus-fg);
  transition: all var(--transition-fast);
}

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

.md-typeset .md-button--primary {
  background: var(--archivus-accent);
  color: white;
  border: 1px solid var(--archivus-accent);
}

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

/* Dark mode buttons */
[data-md-color-scheme="slate"] .md-typeset .md-button {
  background: var(--archivus-bg-surface);
  border-color: var(--archivus-border);
  color: var(--archivus-fg);
}

[data-md-color-scheme="slate"] .md-typeset .md-button:hover {
  border-color: var(--archivus-accent);
  color: var(--archivus-accent);
}

[data-md-color-scheme="slate"] .md-typeset .md-button--primary {
  background: var(--archivus-accent);
  border-color: var(--archivus-accent);
  color: white;
}

[data-md-color-scheme="slate"] .md-typeset .md-button--primary:hover {
  background: var(--archivus-accent-hover);
  border-color: var(--archivus-accent-hover);
}

/* --------------------------------------------------------------------------
   Mermaid Diagrams - Clean styling
   -------------------------------------------------------------------------- */

.mermaid {
  margin: var(--space-6) 0;
  background: var(--archivus-bg-elevated);
  border: 1px solid var(--archivus-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

/* --------------------------------------------------------------------------
   Scroll-driven Enhancements
   -------------------------------------------------------------------------- */

/* Fade in content sections on scroll */
@supports (animation-timeline: view()) {
  .md-typeset h2,
  .md-typeset h3 {
    animation: fade-in linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 20%;
  }

  @keyframes fade-in {
    from {
      opacity: 0.6;
      transform: translateY(8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* Sticky TOC header */
@media screen and (min-width: 76.25em) {
  .md-sidebar--secondary .md-nav__title {
    position: sticky;
    top: 0;
    background: var(--archivus-bg);
    z-index: 1;
  }
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */

/* Text utilities */
.text-muted {
  color: var(--archivus-fg-muted) !important;
}

.text-subtle {
  color: var(--archivus-fg-subtle) !important;
}

.text-accent {
  color: var(--archivus-accent) !important;
}

/* Spacing utilities */
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-8 { margin-top: var(--space-8) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }

/* --------------------------------------------------------------------------
   Status Badges - Theme-aware
   -------------------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
}

.badge-enterprise {
  background: var(--archivus-accent-subtle);
  color: var(--archivus-accent);
}

.badge-new {
  background: rgba(26, 127, 55, 0.1);
  color: var(--archivus-success);
}

/* Dark mode badges */
[data-md-color-scheme="slate"] .badge-enterprise {
  background: var(--archivus-accent-subtle);
  color: var(--archivus-accent);
}

[data-md-color-scheme="slate"] .badge-new {
  background: rgba(63, 185, 80, 0.15);
  color: var(--archivus-success);
}

/* ==========================================================================
   HOMEPAGE & HERO
   Apple-level impact, engineering-forward
   ========================================================================== */

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */

.md-hero {
  position: relative;
  padding: var(--space-12) 0 var(--space-10);
  text-align: center;
  max-width: 48rem;
  margin: 0 auto;
}

.md-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin-bottom: var(--space-5);
  color: var(--archivus-fg);
}

/* Gradient text - light mode */
@supports (-webkit-background-clip: text) {
  .md-hero h1 {
    background: linear-gradient(
      135deg,
      var(--archivus-fg) 0%,
      var(--archivus-fg-muted) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
}

/* Gradient text - dark mode */
[data-md-color-scheme="slate"] .md-hero h1 {
  color: #ffffff;
}

@supports (-webkit-background-clip: text) {
  [data-md-color-scheme="slate"] .md-hero h1 {
    background: linear-gradient(
      135deg,
      #ffffff 0%,
      #a0a0a0 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
}

.md-hero p {
  font-size: 1.25rem;
  color: var(--archivus-fg-muted);
  line-height: 1.6;
  margin-bottom: var(--space-2);
}

.md-hero p strong {
  color: var(--archivus-fg);
  font-weight: 600;
}

.md-hero .md-button {
  margin: var(--space-6) var(--space-2) 0;
}

/* Tagline styling */
.md-hero p:first-of-type {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--archivus-fg);
  margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------------
   Feature Grid
   -------------------------------------------------------------------------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
  margin: var(--space-6) 0;
}

.feature-card {
  padding: var(--space-6);
  background: var(--archivus-bg-elevated);
  border: 1px solid var(--archivus-border);
  border-radius: var(--radius-lg);
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.feature-card:hover {
  border-color: var(--archivus-accent);
  transform: translateY(-2px);
}

/* Dark mode cards */
[data-md-color-scheme="slate"] .feature-card {
  background: var(--archivus-bg-elevated);
  border-color: var(--archivus-border);
}

[data-md-color-scheme="slate"] .feature-card:hover {
  border-color: var(--archivus-accent);
  background: var(--archivus-bg-surface);
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: var(--space-3);
  color: var(--archivus-fg);
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--archivus-fg-muted);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.feature-card p:last-child {
  margin-bottom: 0;
}

.feature-card a {
  font-size: 0.875rem;
  font-weight: 500;
}

/* Three-column for pillars section */
.feature-grid--pillars {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
  .feature-grid--pillars {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Homepage Sections
   -------------------------------------------------------------------------- */

/* Section headers */
.md-typeset .home-section-header {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--archivus-accent);
  margin-bottom: var(--space-2);
}

[data-md-color-scheme="slate"] .md-typeset .home-section-header {
  color: var(--archivus-accent);
}

/* Problem/solution callout */
.problem-callout {
  background: var(--archivus-accent-subtle);
  border-left: 3px solid var(--archivus-accent);
  padding: var(--space-5) var(--space-6);
  margin: var(--space-6) 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.problem-callout p {
  margin: 0;
  font-size: 1.125rem;
  color: var(--archivus-fg);
}

/* Stats row */
.stats-row {
  display: flex;
  justify-content: center;
  gap: var(--space-10);
  margin: var(--space-8) 0;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--archivus-accent);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.875rem;
  color: var(--archivus-fg-muted);
  margin-top: var(--space-2);
}

/* --------------------------------------------------------------------------
   Architecture Diagram
   -------------------------------------------------------------------------- */

.architecture-diagram {
  background: var(--archivus-bg-elevated);
  border: 1px solid var(--archivus-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-6) 0;
  overflow-x: auto;
}

.architecture-diagram pre {
  margin: 0;
  background: transparent;
  border: none;
}

/* --------------------------------------------------------------------------
   Comparison Table
   -------------------------------------------------------------------------- */

.comparison-table {
  margin: var(--space-6) 0;
}

.comparison-table th:first-child {
  color: var(--archivus-fg-muted);
  font-weight: 500;
}

.comparison-table th:last-child {
  color: var(--archivus-accent);
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */

.cta-section {
  text-align: center;
  padding: var(--space-10) 0;
  margin-top: var(--space-10);
  border-top: 1px solid var(--archivus-border);
  transition: border-color var(--transition-base);
}

.cta-section h2 {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: var(--space-5);
}

.cta-section .md-button {
  margin: 0 var(--space-2);
}

/* Dark mode CTA */
[data-md-color-scheme="slate"] .cta-section {
  border-top-color: var(--archivus-border);
}

/* --------------------------------------------------------------------------
   Code Examples (Homepage)
   -------------------------------------------------------------------------- */

.code-example {
  margin: var(--space-6) 0;
}

.code-example-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--archivus-bg-elevated);
  border: 1px solid var(--archivus-border);
  border-bottom: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--archivus-fg-muted);
}

.code-example pre {
  margin: 0;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* --------------------------------------------------------------------------
   Industry Solutions Grid
   -------------------------------------------------------------------------- */

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.solution-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-5);
  background: var(--archivus-bg-elevated);
  border: 1px solid var(--archivus-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color var(--transition-base);
}

.solution-card:hover {
  border-color: var(--archivus-accent);
}

.solution-card h4 {
  margin: 0 0 var(--space-2);
  font-size: 1rem;
  color: var(--archivus-fg);
}

.solution-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--archivus-fg-muted);
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */

@media print {
  .md-header,
  .md-tabs,
  .md-sidebar,
  .md-footer {
    display: none;
  }

  .md-content {
    max-width: 100%;
  }

  .md-typeset h1 {
    font-size: 1.75rem;
  }

  .md-typeset a {
    color: inherit;
    text-decoration: underline;
  }
}