/*
 * CoreFun — Refined Dark Documentation Theme
 *
 * Design Direction: Developer-focused, precise, editorial
 * Typography: Clean sans-serif with monospace accents
 * Palette: True blacks with subtle elevation, blue accent
 */

/* =============================================================================
   DESIGN TOKENS
   ============================================================================= */

:root {
  /* Backgrounds - true blacks with elevation */
  --bg-void: #000000;
  --bg-base: #0a0a0a;
  --bg-raised: #111111;
  --bg-overlay: #1a1a1a;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-default: rgba(255, 255, 255, 0.12);

  /* Text */
  --text-primary: #fafafa;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;

  /* Accent */
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-dim: rgba(59, 130, 246, 0.12);

  /* Spacing */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;

  /* Layout */
  --navbar-height: 60px;
  --sidebar-width: 260px;
  --page-gutter: 48px;
  --content-max: 900px;

  /* Type */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
  --font-size-sm: 13px;
  --font-size-base: 15px;
  --font-size-lg: 18px;

  /* Effects */
  --radius: 6px;
  --radius-lg: 8px;
  --transition: 150ms ease;
  --shadow-dropdown: 0 8px 32px rgba(0, 0, 0, 0.6);
}

/* =============================================================================
   RESET & FOUNDATION
   ============================================================================= */

*, *::before, *::after {
  box-sizing: border-box;
  text-shadow: none !important;
}

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

body,
body.topBarEnabled {
  margin: 0 !important;
  padding: 0 !important;
  background: var(--bg-void) !important;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Kill Bootstrap backgrounds globally */
.container,
.container-fluid,
.row-fluid,
.navbar-inner,
.nav-collapse,
div,
header,
nav,
main,
section,
footer {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

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

/* =============================================================================
   TYPOGRAPHY
   ============================================================================= */

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-top: 0;
}

h1 { font-size: 2rem; margin-bottom: var(--sp-5); }
h2 { font-size: 1.5rem; margin-top: var(--sp-7); margin-bottom: var(--sp-4); }
h3 { font-size: 1.2rem; margin-top: var(--sp-6); margin-bottom: var(--sp-3); }

p { margin-bottom: var(--sp-4); }

code, pre, tt {
  font-family: var(--font-mono);
}

code, tt {
  background: #0d1a0d;
  border: 1px solid #1a2a1a;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.875em;
  color: #4ade80;
}

pre {
  background: var(--bg-base) !important;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: var(--sp-4);
  overflow-x: auto;
  font-size: var(--font-size-sm);
}

pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-secondary);
}

/* =============================================================================
   GITHUB RIBBON - Style it properly
   ============================================================================= */

.github-fork-ribbon {
  background: var(--bg-raised) !important;
}

.github-fork-ribbon::before {
  background-color: var(--accent) !important;
}

/* =============================================================================
   NAVBAR - DESKTOP (>1200px)
   ============================================================================= */

#topbar,
header#topbar {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 1000 !important;
  height: var(--navbar-height) !important;
  min-height: var(--navbar-height) !important;
  background: var(--bg-void) !important;
  border-bottom: 1px solid var(--border-subtle) !important;
}

#topbar .navbar-inner {
  display: flex !important;
  align-items: center !important;
  height: var(--navbar-height) !important;
  max-width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
}

#topbar .navbar-inner > .container {
  display: flex !important;
  align-items: center !important;
  width: 100% !important;
  max-width: 100% !important;
  height: 100% !important;
  padding: 0 var(--page-gutter) !important;
  margin: 0 !important;
}

/* Hamburger - hidden on desktop */
#topbar .btn-navbar {
  display: none !important;
  order: 3 !important;
}

/* Nav collapse wrapper */
#topbar .nav-collapse {
  display: flex !important;
  align-items: center !important;
  height: 100% !important;
  flex: 1 !important;
}

/* Brand/Logo */
#topbar .brand {
  display: flex !important;
  align-items: center !important;
  gap: var(--sp-2) !important;
  color: var(--text-primary) !important;
  font-weight: 600 !important;
  font-size: var(--font-size-lg) !important;
  padding: 0 !important;
  margin-right: var(--sp-6) !important;
  flex-shrink: 0 !important;
  height: 100% !important;
}

#topbar .brand img {
  width: 28px !important;
  height: 28px !important;
  display: block !important;
}

#topbar .brand:hover {
  color: var(--text-primary) !important;
  opacity: 0.9;
}

/* Hide ::after text on desktop - brand shows via topBarIcon */
#topbar .brand::after {
  display: none !important;
}

/* Desktop navigation */
#topbar ul.nav {
  display: flex !important;
  align-items: center !important;
  gap: var(--sp-1) !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  height: 100% !important;
}

#topbar ul.nav > li {
  position: relative !important;
  height: 100% !important;
  display: flex !important;
  align-items: center !important;
}

#topbar ul.nav > li > a {
  display: flex !important;
  align-items: center !important;
  height: 36px !important;
  padding: 0 var(--sp-3) !important;
  color: var(--text-secondary) !important;
  font-size: var(--font-size-sm) !important;
  font-weight: 500 !important;
  border-radius: var(--radius) !important;
  transition: all var(--transition) !important;
  white-space: nowrap !important;
}

#topbar ul.nav > li > a:hover,
#topbar ul.nav > li.open > a {
  color: var(--text-primary) !important;
  background: var(--bg-overlay) !important;
}

/* Caret */
#topbar .caret {
  margin-left: var(--sp-1) !important;
  border-top-color: currentColor !important;
}

/* Dropdown menus */
#topbar .dropdown-menu {
  position: absolute !important;
  top: 100% !important;
  left: 0 !important;
  margin-top: 0 !important;
  padding-top: var(--sp-2) !important;
  min-width: 200px !important;
  background: var(--bg-raised) !important;
  border: 1px solid var(--border-default) !important;
  border-radius: var(--radius-lg) !important;
  padding: var(--sp-2) !important;
  box-shadow: var(--shadow-dropdown) !important;
  z-index: 1001 !important;
}

/* Invisible bridge to prevent hover gap */
#topbar .dropdown-menu::before {
  content: "" !important;
  position: absolute !important;
  top: -10px !important;
  left: 0 !important;
  right: 0 !important;
  height: 10px !important;
}

#topbar .dropdown-menu > li > a {
  display: block !important;
  padding: var(--sp-2) var(--sp-3) !important;
  color: var(--text-secondary) !important;
  font-size: var(--font-size-sm) !important;
  border-radius: var(--radius) !important;
  transition: all var(--transition) !important;
}

#topbar .dropdown-menu > li > a:hover {
  background: var(--bg-overlay) !important;
  color: var(--text-primary) !important;
}

/* Submenu */
#topbar .dropdown-submenu > .dropdown-menu {
  top: 0 !important;
  left: 100% !important;
  margin-top: 0 !important;
  margin-left: 0 !important;
}

/* Invisible bridge for submenus (horizontal gap) */
#topbar .dropdown-submenu > .dropdown-menu::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: -10px !important;
  width: 10px !important;
  height: 100% !important;
}

/* Twitter button container - hide on mobile, show on desktop */
#topbar .nav-collapse .nav.pull-right {
  margin-left: auto !important;
  border: none !important;
}

/* =============================================================================
   BODY OFFSET FOR FIXED NAVBAR
   ============================================================================= */

body.topBarEnabled {
  padding-top: var(--navbar-height) !important;
}

/* =============================================================================
   HIDE BANNER & BREADCRUMBS
   ============================================================================= */

#banner,
#breadcrumbs {
  display: none !important;
}

/* =============================================================================
   MAIN LAYOUT
   ============================================================================= */

/* Reset Bootstrap container padding to let children control spacing */
.container,
.container-top {
  padding-left: 0 !important;
  padding-right: 0 !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  width: 100% !important;
  max-width: 100% !important;
}

.container-fluid-top {
  padding: 0 !important;
  margin: 0 !important;
}

.container-fluid-top > .row-fluid {
  display: flex !important;
  min-height: calc(100vh - var(--navbar-height)) !important;
}

/* =============================================================================
   SIDEBAR - Hidden by default, shown >1400px
   ============================================================================= */

#leftColumn {
  display: none !important;
}

@media (min-width: 1401px) {
  #leftColumn {
    display: block !important;
    width: var(--sidebar-width) !important;
    flex-shrink: 0 !important;
    background: var(--bg-base) !important;
    border-right: 1px solid var(--border-subtle) !important;
    padding: var(--sp-6) var(--sp-5) !important;
    padding-left: var(--page-gutter) !important;
  }
}

/* Sidebar styling */
#leftColumn .well,
#leftColumn .sidebar-nav {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  margin: 0 0 var(--sp-4) 0 !important;
  border-radius: 0 !important;
}

#leftColumn .nav-header {
  color: var(--text-muted) !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.06em !important;
  padding: var(--sp-5) 0 var(--sp-2) 0 !important;
  margin: 0 !important;
}

#leftColumn .nav-list > li:first-child .nav-header {
  padding-top: 0 !important;
}

#leftColumn .nav-list > li > a {
  display: block !important;
  padding: var(--sp-2) var(--sp-3) !important;
  color: var(--text-secondary) !important;
  font-size: var(--font-size-sm) !important;
  border-radius: var(--radius) !important;
  border-left: 2px solid transparent !important;
  margin: 1px 0 !important;
  transition: all var(--transition) !important;
}

#leftColumn .nav-list > li > a:hover {
  background: var(--bg-overlay) !important;
  color: var(--text-primary) !important;
}

#leftColumn .nav-list > li.active > a {
  background: var(--accent-dim) !important;
  color: var(--text-primary) !important;
  border-left-color: var(--accent) !important;
}

#leftColumn #poweredBy {
  display: none !important;
}

/* =============================================================================
   MAIN CONTENT
   ============================================================================= */

#bodyColumn {
  flex: 1 !important;
  min-width: 0 !important;
  padding: var(--sp-7) var(--page-gutter) !important;
  max-width: 100% !important;
}

#bodyColumn > section {
  max-width: var(--content-max);
}

/* =============================================================================
   TABLES
   ============================================================================= */

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--sp-5) 0;
  font-size: var(--font-size-sm);
}

th, td {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

th {
  color: var(--text-primary) !important;
  font-weight: 600 !important;
  font-size: 11px !important;
  text-transform: uppercase !important;
  letter-spacing: 0.04em !important;
  background: var(--bg-raised) !important;
}

tbody tr:hover td {
  background: var(--bg-overlay);
}

.table-striped tbody > tr:nth-child(odd) > td {
  background: rgba(255, 255, 255, 0.02) !important;
}

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

body > hr {
  display: none !important;
}

body > footer {
  background: var(--bg-base) !important;
  border-top: 1px solid var(--border-subtle) !important;
  padding: var(--sp-5) var(--page-gutter) !important;
  color: var(--text-muted) !important;
  font-size: var(--font-size-sm) !important;
}

footer .container {
  text-align: center !important;
}

footer .row {
  margin: 0 !important;
}

footer .row p {
  margin: 0 !important;
}

/* Hide the "Built by Maven" badge */
footer #poweredBy {
  display: none !important;
}

/* =============================================================================
   RESPONSIVE: <=992px (Collapsed Navigation)
   ============================================================================= */

@media (max-width: 992px) {
  :root {
    --page-gutter: 24px;
  }

  /* Navbar container - logo left, title center, hamburger right */
  #topbar .navbar-inner > .container {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    position: relative !important;
    padding: 0 var(--page-gutter) !important;
  }

  /* Nav-collapse wrapper - NO transform to allow fixed positioning in children */
  #topbar .nav-collapse {
    position: static !important;
    transform: none !important;
    display: flex !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
    height: var(--navbar-height) !important;
  }

  /* Brand/Logo - visible on left */
  #topbar .brand {
    display: flex !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  #topbar .brand img {
    width: 28px !important;
    height: 28px !important;
    display: block !important;
  }

  /* Hide the brand text on mobile */
  #topbar .brand span,
  #topbar .brand > *:not(img) {
    display: none !important;
  }

  /* Mobile title - centered, injected by JS */
  #mobile-nav-title {
    position: absolute !important;
    left: 50% !important;
    top: 50% !important;
    transform: translate(-50%, -50%) !important;
    font-size: var(--font-size-base) !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    pointer-events: none !important;
    white-space: nowrap !important;
  }

  /* ========== HAMBURGER BUTTON ========== */
  #topbar .btn-navbar {
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    width: 44px !important;
    height: 44px !important;
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius) !important;
    cursor: pointer !important;
    transition: all var(--transition) !important;
    flex-shrink: 0 !important;
  }

  #topbar .btn-navbar:hover {
    background: var(--bg-overlay) !important;
    border-color: var(--border-default) !important;
  }

  #topbar .btn-navbar .icon-bar {
    display: block !important;
    width: 20px !important;
    height: 2px !important;
    background: var(--text-primary) !important;
    margin: 3px 0 !important;
    border-radius: 2px !important;
    transition: all 0.2s ease !important;
  }

  /* ========== COLLAPSED NAV MENU ========== */
  /* Hide nav by default */
  #topbar ul.nav,
  #topbar .nav-collapse ul.nav {
    display: none !important;
  }

  /* Show nav when JS adds .open class - higher specificity to override hiding rule */
  #topbar .nav-collapse ul.nav.open,
  #topbar nav.nav-collapse ul.nav.open {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    position: fixed !important;
    top: var(--navbar-height) !important;
    left: 0 !important;
    right: 0 !important;
    height: auto !important;
    width: 100% !important;
    background: var(--bg-base) !important;
    border-bottom: 1px solid var(--border-subtle) !important;
    padding: var(--sp-2) 0 !important;
    margin: 0 !important;
    z-index: 999 !important;
    max-height: calc(100vh - var(--navbar-height)) !important;
    overflow-y: auto !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4) !important;
    gap: 0 !important;
  }

  /* Nav items - full width, stacked with large touch targets */
  #topbar .nav-collapse ul.nav.open > li {
    width: 100% !important;
    height: auto !important;
    display: block !important;
    position: relative !important;
    flex: none !important;
  }

  #topbar .nav-collapse ul.nav.open > li > a {
    display: block !important;
    height: auto !important;
    min-height: 48px !important;
    padding: 14px var(--page-gutter) !important;
    font-size: var(--font-size-base) !important;
    color: var(--text-secondary) !important;
    border-radius: 0 !important;
    border-bottom: 1px solid var(--border-subtle) !important;
    -webkit-tap-highlight-color: rgba(59, 130, 246, 0.2) !important;
  }

  #topbar .nav-collapse ul.nav.open > li:last-child > a {
    border-bottom: none !important;
  }

  #topbar .nav-collapse ul.nav.open > li > a:hover,
  #topbar .nav-collapse ul.nav.open > li > a:active {
    background: var(--bg-overlay) !important;
    color: var(--text-primary) !important;
  }

  /* Dropdown menus - expand inline when nav is open */
  #topbar .nav-collapse ul.nav.open .dropdown.open .dropdown-menu {
    position: static !important;
    display: block !important;
    width: 100% !important;
    margin: 0 !important;
    background: var(--bg-raised) !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
  }

  #topbar .nav-collapse ul.nav.open .dropdown-menu::before {
    display: none !important;
  }

  #topbar .nav-collapse ul.nav.open .dropdown-menu > li > a {
    display: block !important;
    min-height: 44px !important;
    padding: 12px var(--page-gutter) !important;
    padding-left: calc(var(--page-gutter) + var(--sp-5)) !important;
    color: var(--text-muted) !important;
    font-size: var(--font-size-sm) !important;
    border-radius: 0 !important;
    -webkit-tap-highlight-color: rgba(59, 130, 246, 0.2) !important;
  }

  #topbar .nav-collapse ul.nav.open .dropdown-menu > li > a:hover,
  #topbar .nav-collapse ul.nav.open .dropdown-menu > li > a:active {
    background: var(--bg-overlay) !important;
    color: var(--text-primary) !important;
  }

  /* Hide Twitter widget on smaller screens */
  #topbar .nav.pull-right {
    display: none !important;
  }
}

/* =============================================================================
   RESPONSIVE: <=768px (Phone)
   ============================================================================= */

@media (max-width: 768px) {
  :root {
    --page-gutter: 16px;
    --navbar-height: 56px;
  }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  h3 { font-size: 1.1rem; }

  /* Navbar adjustments for phone - comfortable edge padding */
  #topbar .navbar-inner > .container {
    padding: 0 20px !important;
  }

  #topbar .nav-collapse {
    left: 20px !important;
  }

  #topbar .brand {
    font-size: var(--font-size-base) !important;
  }

  #topbar .brand img {
    width: 28px !important;
    height: 28px !important;
    display: block !important;
  }

  pre {
    font-size: 12px !important;
    padding: var(--sp-3) !important;
  }

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

  th, td {
    padding: var(--sp-2) var(--sp-3);
  }

  /* Ensure GitHub ribbon doesn't overlap */
  .github-fork-ribbon {
    display: none !important;
  }
}

/* =============================================================================
   SCROLLBAR
   ============================================================================= */

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

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

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

::-webkit-scrollbar-thumb:hover {
  background: #333;
}

/* =============================================================================
   PRINT
   ============================================================================= */

@media print {
  body {
    background: white !important;
    color: black !important;
    padding-top: 0 !important;
  }
  #topbar, #leftColumn, footer, .github-fork-ribbon {
    display: none !important;
  }
  #bodyColumn {
    width: 100% !important;
    padding: 0 !important;
  }
}