/* ==========================================================================
   Mannay Documentation - Clean Developer Docs Theme
   Inspired by Vercel/Stripe documentation aesthetics
   ========================================================================== */

/* CSS Custom Properties */
:root {
  /* Typography */
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', 'Fira Code', monospace;

  /* Spacing */
  --sidebar-width: 260px;
  --content-max-width: 720px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
}

/* Dark Theme (Default) */
[data-theme="dark"] {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #171717;
  --bg-elevated: #1a1a1a;
  --bg-hover: #252525;
  --bg-active: #2a2a2a;

  --border-primary: #262626;
  --border-secondary: #333333;
  --border-accent: #404040;

  --text-primary: #fafafa;
  --text-secondary: #a1a1a1;
  --text-tertiary: #737373;
  --text-muted: #525252;

  --accent-primary: #3b82f6;
  --accent-secondary: #60a5fa;
  --accent-subtle: rgba(59, 130, 246, 0.1);

  --code-bg: #1e1e1e;
  --code-border: #2d2d2d;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f5f5f5;
  --bg-elevated: #ffffff;
  --bg-hover: #f0f0f0;
  --bg-active: #e8e8e8;

  --border-primary: #e5e5e5;
  --border-secondary: #d4d4d4;
  --border-accent: #a3a3a3;

  --text-primary: #171717;
  --text-secondary: #525252;
  --text-tertiary: #737373;
  --text-muted: #a1a1a1;

  --accent-primary: #2563eb;
  --accent-secondary: #3b82f6;
  --accent-subtle: rgba(37, 99, 235, 0.08);

  --code-bg: #f6f8fa;
  --code-border: #e1e4e8;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   Base Reset & Typography
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ==========================================================================
   Mobile Header
   ========================================================================== */

.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  padding: 0 var(--spacing-md);
  align-items: center;
  justify-content: space-between;
  z-index: 100;
}

.menu-toggle,
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.menu-toggle:hover,
.theme-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.mobile-title {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* Theme toggle icons */
[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  z-index: 50;
  transition: transform var(--transition-normal), background-color var(--transition-normal);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-primary);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  font-size: 1.25rem;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg) 0;
}

.nav-section {
  padding: 0 var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.nav-section-title {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  padding: 0 var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.nav-link.active {
  color: var(--accent-primary);
  background: var(--accent-subtle);
}

.nav-link.external svg {
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.nav-link.external:hover svg {
  opacity: 1;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-primary);
}

.version {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Main Content
   ========================================================================== */

.main {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content {
  flex: 1;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-xl);
  width: 100%;
}

/* ==========================================================================
   Content Typography
   ========================================================================== */

.content h1 {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-md) 0;
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-primary);
}

.content h2 {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: var(--spacing-2xl) 0 var(--spacing-md) 0;
}

.content h3 {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: var(--spacing-xl) 0 var(--spacing-md) 0;
}

.content h4 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
}

.content p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-secondary);
}

.content a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.content a:hover {
  color: var(--accent-secondary);
  text-decoration: underline;
}

/* Blockquotes */
.content blockquote {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md) var(--spacing-lg);
  border-left: 3px solid var(--accent-primary);
  background: var(--accent-subtle);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.content blockquote p {
  margin: 0;
  color: var(--text-secondary);
  font-style: normal;
}

/* Lists */
.content ul,
.content ol {
  margin: 0 0 var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
  color: var(--text-secondary);
}

.content li {
  margin-bottom: var(--spacing-xs);
}

.content li::marker {
  color: var(--text-tertiary);
}

/* Horizontal rules */
.content hr {
  border: none;
  border-top: 1px solid var(--border-primary);
  margin: var(--spacing-xl) 0;
}

/* Strong and emphasis */
.content strong {
  font-weight: 600;
  color: var(--text-primary);
}

.content em {
  font-style: italic;
}

/* ==========================================================================
   Code Blocks
   ========================================================================== */

.content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

/* Inline code */
.content p code,
.content li code,
.content td code {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 0.125em 0.375em;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

/* Code blocks */
.content pre {
  margin: var(--spacing-md) 0;
  padding: var(--spacing-md);
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.content pre code {
  display: block;
  padding: 0;
  background: none;
  border: none;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-primary);
}

/* ==========================================================================
   Tables
   ========================================================================== */

.content table {
  width: 100%;
  margin: var(--spacing-lg) 0;
  border-collapse: collapse;
  font-size: 0.875rem;
}

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

.content th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-md);
}

.content td {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-primary);
}

.content tbody tr:hover {
  background: var(--bg-hover);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  padding: var(--spacing-xl);
  border-top: 1px solid var(--border-primary);
  text-align: center;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-links .separator {
  color: var(--border-secondary);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
}

/* ==========================================================================
   Overlay (Mobile)
   ========================================================================== */

.overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 40;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.overlay.active {
  opacity: 1;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.desktop-only {
  display: flex;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
  .mobile-header {
    display: flex;
  }

  .desktop-only {
    display: none;
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .overlay {
    display: block;
  }

  .main {
    margin-left: 0;
    padding-top: 56px;
  }

  .content {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .content h1 {
    font-size: 1.5rem;
  }

  .content h2 {
    font-size: 1.25rem;
  }

  .content h3 {
    font-size: 1.0625rem;
  }

  .content pre {
    margin-left: calc(-1 * var(--spacing-md));
    margin-right: calc(-1 * var(--spacing-md));
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media (min-width: 1200px) {
  .content {
    padding: var(--spacing-2xl) var(--spacing-2xl);
  }
}

/* ==========================================================================
   Syntax Highlighting (GitHub-like)
   ========================================================================== */

.highlight .c,
.highlight .c1,
.highlight .cm { color: #6a737d; } /* Comments */
.highlight .k,
.highlight .kd,
.highlight .kn,
.highlight .kp { color: #d73a49; } /* Keywords */
.highlight .s,
.highlight .s1,
.highlight .s2 { color: #032f62; } /* Strings */
.highlight .mi,
.highlight .mf { color: #005cc5; } /* Numbers */
.highlight .nf { color: #6f42c1; } /* Function names */
.highlight .na { color: #005cc5; } /* Attributes */
.highlight .nb { color: #005cc5; } /* Built-ins */
.highlight .nc { color: #6f42c1; } /* Class names */

[data-theme="dark"] .highlight .c,
[data-theme="dark"] .highlight .c1,
[data-theme="dark"] .highlight .cm { color: #6b7280; }
[data-theme="dark"] .highlight .k,
[data-theme="dark"] .highlight .kd,
[data-theme="dark"] .highlight .kn,
[data-theme="dark"] .highlight .kp { color: #f97583; }
[data-theme="dark"] .highlight .s,
[data-theme="dark"] .highlight .s1,
[data-theme="dark"] .highlight .s2 { color: #9ecbff; }
[data-theme="dark"] .highlight .mi,
[data-theme="dark"] .highlight .mf { color: #79b8ff; }
[data-theme="dark"] .highlight .nf { color: #b392f0; }
[data-theme="dark"] .highlight .na { color: #79b8ff; }
[data-theme="dark"] .highlight .nb { color: #79b8ff; }
[data-theme="dark"] .highlight .nc { color: #b392f0; }

/* ==========================================================================
   Scrollbar Styling
   ========================================================================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-secondary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-accent);
}

/* ==========================================================================
   Selection
   ========================================================================== */

::selection {
  background: var(--accent-primary);
  color: white;
}

/* ==========================================================================
   Focus States
   ========================================================================== */

:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

button:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}