/* Minimalist Theme v2 - Modern Design Trends 2024 */
:root {
  /* Colors - Inspired by modern design systems */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #fafbfc;
  --color-bg-tertiary: #f6f8fa;
  --color-bg-hover: #f3f4f6;
  --color-text-primary: #0d1117;
  --color-text-secondary: #57606a;
  --color-text-muted: #8b949e;
  --color-text-link: #0969da;
  --color-accent: #0969da;
  --color-accent-hover: #0860ca;
  --color-accent-light: #ddf4ff;
  --color-accent-muted: #54aeff66;
  --color-success: #1a7f37;
  --color-success-bg: #dafbe1;
  --color-border: #d0d7de;
  --color-border-muted: #d8dee4;
  --color-shadow: rgba(31, 35, 40, 0.04);
  --color-shadow-medium: rgba(31, 35, 40, 0.12);

  /* Typography - System font stack for performance */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans",
    Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas,
    "Liberation Mono", Menlo, monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing - 8px grid system */
  --spacing-0: 0;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-24: 6rem;

  /* Border radius - Modern subtle curves */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows - Layered for depth */
  --shadow-sm: 0 1px 0 rgba(31, 35, 40, 0.04);
  --shadow-md: 0 3px 6px rgba(140, 149, 159, 0.15);
  --shadow-lg: 0 8px 24px rgba(140, 149, 159, 0.2);
  --shadow-xl: 0 12px 28px rgba(140, 149, 159, 0.3);

  /* Transitions */
  --transition-fast: 0.1s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
}

/* Modern CSS Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Global Styles */
body {
  font-family: var(--font-primary) !important;
  background-color: var(--color-bg-secondary) !important;
  color: var(--color-text-primary) !important;
  line-height: 1.5 !important;
  font-size: var(--font-size-base) !important;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
}

/* Navigation - Floating glass design */
.navbar {
  position: sticky !important;
  top: 0 !important;
  z-index: 100 !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
}

.navbar .navbar-inner {
  background: rgba(255, 255, 255, 0.8) !important;
  border-bottom: 1px solid var(--color-border-muted) !important;
  box-shadow: var(--shadow-sm) !important;
  padding: var(--spacing-4) 0 !important;
  transition: all var(--transition-base) !important;
}

.navbar .brand {
  color: var(--color-text-primary) !important;
  font-weight: var(--font-weight-semibold) !important;
  font-size: var(--font-size-lg) !important;
  letter-spacing: -0.025em !important;
  transition: opacity var(--transition-base) !important;
  padding: 10px;
}

.navbar .brand:hover {
  opacity: 0.8 !important;
}

.navbar .nav li a {
  color: var(--color-text-secondary) !important;
  font-weight: var(--font-weight-medium) !important;
  font-size: var(--font-size-sm) !important;
  padding: var(--spacing-2) var(--spacing-4) !important;
  margin: 0 var(--spacing-1) !important;
  border-radius: var(--radius-md) !important;
  transition: all var(--transition-base) !important;
  position: relative !important;
}

.navbar .nav li a:hover {
  color: var(--color-text-primary) !important;
  background: var(--color-bg-hover) !important;
}

.navbar .nav li.active a {
  color: var(--color-accent) !important;
  background: var(--color-accent-light) !important;
  font-weight: var(--font-weight-semibold) !important;
}

#main-content {
  background: none !important;
}

#mainNav .container-fluid {
  max-width: 1300px !important;
}

/* Search Hero - Clean and focused */
#docsSearch {
  background: linear-gradient(
    180deg,
    var(--color-bg-primary) 0%,
    var(--color-bg-secondary) 100%
  ) !important;
  border: none !important;
  padding: var(--spacing-24) 0 var(--spacing-24) !important;
  text-align: center !important;
  position: relative !important;
}

#docsSearch::before {
  content: "" !important;
  position: absolute !important;
  inset: 0 !important;
  background-image: radial-gradient(
      circle at 25% 0%,
      var(--color-accent-muted) 0%,
      transparent 25%
    ),
    radial-gradient(
      circle at 75% 100%,
      var(--color-accent-muted) 0%,
      transparent 25%
    ) !important;
  opacity: 0.5 !important;
  pointer-events: none !important;
}

#docsSearch h1 {
  color: var(--color-text-primary) !important;
  font-weight: var(--font-weight-bold) !important;
  font-size: clamp(2rem, 5vw, 3rem) !important;
  margin-bottom: var(--spacing-8) !important;
  letter-spacing: -0.04em !important;
  line-height: 1.1 !important;
  position: relative !important;
  z-index: 1 !important;
}

#searchBar {
  max-width: 600px !important;
  margin: 0 auto !important;
  display: flex !important;
  gap: var(--spacing-2) !important;
  position: relative !important;
  z-index: 1 !important;
  padding: var(--spacing-2) !important;
  background: var(--color-bg-primary) !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--shadow-lg) !important;
}

#searchBar .search-query {
  border: 2px solid transparent !important;
  border-radius: var(--radius-lg) !important;
  padding: var(--spacing-3) var(--spacing-5) !important;
  font-size: var(--font-size-base) !important;
  background: var(--color-bg-tertiary) !important;
  color: var(--color-text-primary) !important;
  flex: 1 !important;
  outline: none !important;
  transition: all var(--transition-base) !important;
}

#searchBar .search-query:hover {
  background: var(--color-bg-primary) !important;
  border-color: var(--color-border-muted) !important;
}

#searchBar .search-query:focus {
  background: var(--color-bg-primary) !important;
  border-color: var(--color-accent) !important;
  box-shadow: 0 0 0 3px var(--color-accent-muted) !important;
}

#searchBar button {
  background: var(--color-accent) !important;
  border: none !important;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0 !important;
  color: white !important;
  padding: var(--spacing-3) var(--spacing-6) !important;
  font-size: var(--font-size-base) !important;
  font-weight: var(--font-weight-semibold) !important;
  cursor: pointer !important;
  transition: all var(--transition-base) !important;
  white-space: nowrap !important;
  top: 9px;
  right: 9px;
  height: 48px;
}

#searchBar.sm button {
  top: 9px;
  right: 9px;
  background: none !important;
  padding: 0 14px !important;
  height: 40px;
}

#searchBar.sm button:hover {
  background: none !important;
}

#searchBar button:hover {
  background: var(--color-accent-hover) !important;
}

#searchBar button:active {
  transform: translateY(0) !important;
}

/* Content Area */
#contentArea {
  max-width: 1360px !important;
  margin: 0 auto !important;
  padding: var(--spacing-12) var(--spacing-4) !important;
}

#contentArea .row-fluid {
  display: flex;
  flex-direction: row-reverse;
  justify-content: space-between;
}

/* Collection Categories - Card-based design */
.collection-category {
  margin-bottom: var(--spacing-12) !important;
}

.collection-category h2 {
  color: var(--color-text-primary) !important;
  font-size: var(--font-size-2xl) !important;
  font-weight: var(--font-weight-semibold) !important;
  margin-bottom: var(--spacing-6) !important;
  letter-spacing: -0.025em !important;
}

.collection-category h2 a {
  color: inherit !important;
  text-decoration: none !important;
  transition: color var(--transition-base) !important;
}

.collection-category h2 a:hover {
  color: var(--color-accent) !important;
}

/* Collection Cards */
.collection {
  background: var(--color-bg-primary) !important;
  border: 1px solid var(--color-border-muted) !important;
  border-radius: var(--radius-lg) !important;
  padding: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  transition: all var(--transition-base) !important;
  box-shadow: var(--shadow-sm) !important;
  overflow: hidden !important;
  position: relative !important;
}

.collection::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 3px !important;
  background: var(--color-accent) !important;
  transform: translateX(-100%) !important;
  transition: transform var(--transition-slow) !important;
}

.collection:hover {
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-lg) !important;
  border-color: var(--color-border) !important;
}

.collection:hover::before {
  transform: translateX(0) !important;
}

/* Collection Header */
.collection-head {
  padding: var(--spacing-6) var(--spacing-6) var(--spacing-4) !important;
  border-bottom: 1px solid var(--color-border-muted) !important;
  background: var(--color-bg-secondary) !important;
}

.collection-head h2 {
  color: var(--color-text-primary) !important;
  font-size: var(--font-size-xl) !important;
  font-weight: var(--font-weight-semibold) !important;
  margin: 0 0 var(--spacing-2) 0 !important;
  line-height: 1.3 !important;
  letter-spacing: -0.02em !important;
}

.collection-head h2 a {
  color: inherit !important;
  text-decoration: none !important;
  transition: color var(--transition-base) !important;
}

.collection-head h2 a:hover {
  color: var(--color-accent) !important;
}

.collection-head p {
  color: var(--color-text-muted) !important;
  font-size: var(--font-size-sm) !important;
  margin: 0 !important;
  line-height: 1.4 !important;
}

.collection-body ul.popArticles {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.collection-body ul.popArticles li {
  margin: 0 !important;
  padding: 0 !important;
}

.collection-body ul.popArticles li a {
  display: flex !important;
  align-items: center !important;
  padding: var(--spacing-3) var(--spacing-6) !important;
  color: var(--color-text-secondary) !important;
  text-decoration: none !important;
  transition: all var(--transition-base) !important;
  border-left: 3px solid transparent !important;
  position: relative !important;
  margin: 0 !important;
  border-radius: 0 6px 6px 0 !important;
}

.collection-body ul.popArticles li a:hover {
  background: var(--color-bg-hover) !important;
  color: var(--color-text-primary) !important;
  border-left-color: var(--color-accent) !important;
}

.collection-body ul.popArticles li a i {
  color: var(--color-text-muted) !important;
  margin-right: var(--spacing-3) !important;
  font-size: var(--font-size-sm) !important;
  width: 16px !important;
  flex-shrink: 0 !important;
  transition: color var(--transition-base) !important;
}

.collection-body ul.popArticles li a:hover i {
  color: var(--color-accent) !important;
}

.collection-body ul.popArticles li a span {
  font-size: var(--font-size-sm) !important;
  font-weight: var(--font-weight-medium) !important;
  line-height: 1.4 !important;
}

/* Category Grid - Modern cards */
.category-list {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)) !important;
  gap: var(--spacing-6) !important;
  margin: 0 !important;
}

.category-list .category {
  background: var(--color-bg-primary) !important;
  border: 1px solid var(--color-border-muted) !important;
  border-radius: var(--radius-lg) !important;
  padding: var(--spacing-6) !important;
  display: flex !important;
  flex-direction: column !important;
  text-decoration: none !important;
  transition: all var(--transition-base) !important;
  margin: 0 !important;
  min-height: auto !important;
  box-shadow: var(--shadow-sm) !important;
  position: relative !important;
  overflow: hidden !important;
}

.category-list .category::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 3px !important;
  background: var(--color-accent) !important;
  transform: translateX(-100%) !important;
  transition: transform var(--transition-slow) !important;
}

.category-list .category:hover {
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-lg) !important;
  border-color: var(--color-border) !important;
}

.category-list .category:hover::before {
  transform: translateX(0) !important;
}

.category-list .category h3 {
  color: var(--color-text-primary) !important;
  font-size: var(--font-size-lg) !important;
  font-weight: var(--font-weight-semibold) !important;
  margin: 0 0 var(--spacing-2) 0 !important;
  line-height: 1.3 !important;
  letter-spacing: -0.01em !important;
}

.category-list .category p {
  color: var(--color-text-secondary) !important;
  font-size: var(--font-size-sm) !important;
  margin: 0 0 var(--spacing-4) 0 !important;
  line-height: 1.5 !important;
  flex-grow: 1 !important;
}

.category-list .category .article-count {
  color: var(--color-text-muted) !important;
  font-size: var(--font-size-xs) !important;
  font-weight: var(--font-weight-medium) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  margin: 0 !important;
  padding: var(--spacing-1) var(--spacing-3) !important;
  background: var(--color-bg-tertiary) !important;
  border-radius: var(--radius-sm) !important;
  display: inline-block !important;
  align-self: flex-start !important;
}

.category-list .category:hover .article-count {
  background: var(--color-accent-light) !important;
  color: var(--color-accent) !important;
}

/* Article Content - Clean typography */
.contentWrapper {
  background: var(--color-bg-primary) !important;
  border: 1px solid var(--color-border-muted) !important;
  border-radius: var(--radius-lg) !important;
  padding: var(--spacing-8) !important;
  box-shadow: var(--shadow-sm) !important;
  margin-bottom: var(--spacing-8) !important;
}

.contentWrapper h1 {
  color: var(--color-text-primary) !important;
  font-size: clamp(1.75rem, 4vw, 2rem) !important;
  font-weight: var(--font-weight-bold) !important;
  margin: 0 0 var(--spacing-6) 0 !important;
  letter-spacing: -0.04em !important;
  line-height: 1.2 !important;
}

#fullArticle {
  margin: 0 auto !important;
}

#fullArticle h2 {
  color: var(--color-text-primary) !important;
  font-size: var(--font-size-xl) !important;
  font-weight: var(--font-weight-semibold) !important;
  margin: var(--spacing-10) 0 var(--spacing-4) 0 !important;
  line-height: 1.3 !important;
  letter-spacing: -0.02em !important;
}

#fullArticle h3 {
  color: var(--color-text-primary) !important;
  font-size: var(--font-size-lg) !important;
  font-weight: var(--font-weight-semibold) !important;
  margin: var(--spacing-8) 0 var(--spacing-3) 0 !important;
  line-height: 1.4 !important;
  letter-spacing: -0.01em !important;
}

#fullArticle p,
#fullArticle li,
#fullArticle div {
  color: var(--color-text-secondary) !important;
  font-size: var(--font-size-base) !important;
  line-height: 1.7 !important;
  margin-bottom: var(--spacing-5) !important;
}

#fullArticle a {
  color: var(--color-text-link) !important;
  text-decoration: none !important;
  border-bottom: 1px solid var(--color-accent-muted) !important;
  transition: all var(--transition-base) !important;
}

#fullArticle a:hover {
  color: var(--color-accent-hover) !important;
  border-bottom-color: var(--color-accent) !important;
}

#fullArticle code {
  font-family: var(--font-mono) !important;
  font-size: 0.875em !important;
  background: var(--color-bg-tertiary) !important;
  padding: 0.2em 0.4em !important;
  border-radius: var(--radius-sm) !important;
  color: var(--color-text-primary) !important;
}

#fullArticle blockquote {
  border-left: 3px solid var(--color-accent) !important;
  padding-left: var(--spacing-5) !important;
  margin: var(--spacing-6) 0 !important;
  color: var(--color-text-secondary) !important;
  font-style: italic !important;
}

/* Sidebar - Minimal and functional */
#sidebar {
  position: sticky !important;
  top: 100px !important;
}

#sidebar h3 {
  color: var(--color-text-primary) !important;
  font-size: var(--font-size-sm) !important;
  font-weight: var(--font-weight-semibold) !important;
  margin: 0 0 var(--spacing-4) 0 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  opacity: 0.8 !important;
}

#sidebar .nav-list {
  margin: 0 !important;
  padding: 0 !important;
}

#sidebar .nav-list li {
  list-style: none !important;
  margin: 0 !important;
}

#sidebar .nav-list a {
  color: var(--color-text-secondary) !important;
  font-size: var(--font-size-sm) !important;
  padding: var(--spacing-2) 0 !important;
  display: block !important;
  transition: all var(--transition-base) !important;
  border-radius: var(--radius-sm) !important;
  padding-left: var(--spacing-3) !important;
  position: relative !important;
}

#sidebar .nav-list a::before {
  content: "" !important;
  position: absolute !important;
  left: 0 !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  width: 2px !important;
  height: 0 !important;
  background: var(--color-accent) !important;
  transition: height var(--transition-base) !important;
}

#sidebar .nav-list a:hover {
  color: var(--color-text-primary) !important;
  background: var(--color-bg-hover) !important;
  padding-left: var(--spacing-4) !important;
}

#sidebar .nav-list .active a {
  color: var(--color-accent) !important;
  font-weight: var(--font-weight-semibold) !important;
  background: var(--color-accent-light) !important;
}

#sidebar .nav-list .active a::before {
  height: 60% !important;
}

/* Footer - Clean and modern */
footer {
  border-top: 1px solid var(--color-border-muted) !important;
  background: var(--color-bg-tertiary) !important;
  padding: var(--spacing-8) var(--spacing-4) !important;
  text-align: center !important;
  margin-top: var(--spacing-16) !important;
}

footer p {
  color: var(--color-text-muted) !important;
  font-size: var(--font-size-xs) !important;
  margin: 0 !important;
  line-height: 1.5 !important;
}

footer a {
  color: var(--color-text-secondary) !important;
  text-decoration: none !important;
  transition: color var(--transition-base) !important;
}

footer a:hover {
  color: var(--color-accent) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --font-size-base: 0.9375rem;
  }

  .category-list {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-4) !important;
  }

  .contentWrapper {
    padding: var(--spacing-5) !important;
  }

  #docsSearch {
    padding: var(--spacing-10) 0 var(--spacing-8) !important;
  }

  #searchBar {
    flex-direction: column !important;
    padding: var(--spacing-3) !important;
  }

  #searchBar button {
    width: 100% !important;
  }

  #sidebar {
    position: static !important;
    margin-bottom: var(--spacing-8) !important;
  }
}

/* Focus styles for accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--color-accent) !important;
  outline-offset: 2px !important;
}

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

/* Dark mode support stub */
@media (prefers-color-scheme: dark) {
  /* Dark mode colors can be implemented here */
}