/* =========================================
  YGN Design System (Bootstrap 5 Overrides)
========================================= */

:root {
  /* Core Palette */
  --ygn-bg: #121212;
  --ygn-surface: #1B1B1B;
  --ygn-surface-highlight: #2C2C2C;
  --ygn-on-surface: #E0E0E0;

  --ygn-primary: #FFC107;
  --ygn-primary-dark: #FFA000;
  --ygn-on-primary: #121212;

  --ygn-secondary: #673AB7;
  --ygn-secondary-dark: #552DA8;
  --ygn-on-secondary: #D1C4E9;

  /* Semantic Palette */
  --ygn-tip: #4CAF50;
  --ygn-note: #00BCD4;
  --ygn-caution: #F44336;
  --ygn-warning: #FF9800;

  /* Global Properties */
  --ygn-radius: 1.75rem;
  --ygn-radius-sm: 1rem;
  --ygn-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --ygn-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
  --ygn-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ygn-dur: 200ms;

  /* Bootstrap Variable Mapping */
  --bs-body-bg: var(--ygn-bg);
  --bs-body-color: var(--ygn-on-surface);

  --bs-primary: var(--ygn-primary);
  --bs-primary-rgb: 255, 193, 7;

  --bs-secondary: var(--ygn-secondary);
  --bs-secondary-rgb: 103, 58, 183;

  --bs-link-color: var(--ygn-primary);
  --bs-link-color-rgb: 224, 224, 224;
  --bs-link-hover-color: var(--ygn-primary-dark);
  --bs-link-hover-color-rgb: 255, 193, 7;

  --bs-border-radius: var(--ygn-radius);
  --bs-border-radius-lg: 2rem;
  --bs-border-radius-sm: 1rem;
}

/* =========================================
  Base Typography
========================================= */
body {
  font-family: 'Questrial', sans-serif;
  line-height: 1.6;
}

strong {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 105%;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.btn {
  font-family: 'Outfit', sans-serif;
  font-weight: 400;
}

code, pre, kbd, samp {
  font-family: 'Space Mono', monospace;
  font-weight: 600;
}

/* =========================================
  Component: YGN Card
========================================= */
.ygn-card {
  background-color: var(--ygn-surface);
  border: none;
  border-radius: var(--ygn-radius);
  box-shadow: var(--ygn-shadow);
  transition: transform var(--ygn-dur) var(--ygn-ease), box-shadow var(--ygn-dur) var(--ygn-ease), background-color var(--ygn-dur);
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Make the whole card clickable if wrapped in an anchor */
a.ygn-card {
  text-decoration: none;
  color: var(--bs-body-color);
}

a.ygn-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ygn-shadow-lg);
  background-color: var(--ygn-surface-highlight);
}

.ygn-card-img {
  height: 200px;
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
}

.ygn-card-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

/* =========================================
  Component: YGN Hero
========================================= */
.ygn-hero {
  position: relative;
  background: linear-gradient(135deg, var(--ygn-surface) 0%, var(--ygn-bg) 100%);
  border-radius: var(--ygn-radius);
  padding: 4rem 2rem;
  margin-bottom: 3rem;
  overflow: hidden;
  text-align: center;
}

.ygn-hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 80%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 193, 7, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.ygn-hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.ygn-hero-sm {
  padding: 3rem 1.5rem;
}

.ygn-hero-img {
  padding: 0;
  height: 400px;
  background-size: cover;
  background-position: center;
  text-align: left;
}

.ygn-hero-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.2) 100%);
  width: 100%;
  height: 100%;
  padding: 3rem;
  display: flex;
  align-items: flex-end;
}

/* =========================================
  Footer
========================================= */
footer {
  background-color: var(--ygn-surface);
  width: 100%;
}

/* =========================================
  Navigation
========================================= */
.navbar {
  background-color: var(--ygn-surface);
  box-shadow: var(--ygn-shadow);
  border-radius: var(--ygn-radius);
  padding: 0.75rem 1rem;
}

.navbar-brand {
  padding: 0.5rem 0;
}

.nav-link {
  border-radius: var(--ygn-radius);
  transition: all var(--ygn-dur);
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
}

.nav-link.active {
  background-color: var(--ygn-primary);
  color: var(--ygn-bg) !important;
}

.nav-link.active:hover {
  background-color: var(--ygn-primary-dark);
  color: var(--ygn-on-primary) !important;
}

.nav-link:hover {
  background-color: var(--ygn-secondary);
  color: var(--ygn-on-secondary) !important;
}

/* =========================================
  Buttons
========================================= */
.btn {
  padding: 0.75rem 1.5rem;
  box-shadow: var(--ygn-shadow);
  border-radius: var(--ygn-radius);
  border: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--ygn-shadow-lg);
}

.btn-lg {
  padding: 1rem 2rem;
}

.btn-primary {
  background-color: var(--ygn-primary);
  color: var(--ygn-on-primary);
}

.btn-primary:hover, .btn-primary:not(:disabled):not(:disabled):active {
  background-color: var(--ygn-primary-dark);
  color: var(--ygn-on-primary);
}

.btn-secondary {
  background-color: var(--ygn-secondary);
  color: var(--ygn-on-secondary);
}

.btn-secondary:hover, .btn-secondary:not(:disabled):not(:disabled):active {
  background-color: var(--ygn-secondary-dark);
  color: var(--ygn-on-secondary);
}

/* =========================================
  Section Modifiers
========================================= */
.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  font-size: 1.25rem;
  color: var(--ygn-on-surface);
  opacity: 0.8;
}

/* =========================================
  Tags & Badges
========================================= */
.ygn-tag {
  display: inline-block;
  background-color: var(--ygn-secondary);
  color: var(--ygn-on-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.8rem;
}

.ygn-tag-sm {
  background-color: rgba(255,255,255,0.1);
  color: var(--ygn-on-surface);
  font-size: 0.75rem;
}

/* =========================================
  Design details Specifics
========================================= */
.design-story blockquote {
  border-left: 3px solid var(--ygn-secondary);
  padding: 1rem;
  font-style: italic;
}

/* =========================================
  Documentation Specifics
========================================= */
.doc-hero {
  position: relative;
  background: linear-gradient(135deg, var(--ygn-surface) 0%, var(--ygn-bg) 100%);
  border-radius: var(--ygn-radius);
  padding: 2rem 2rem;
  overflow: hidden;
}
.doc-content h2 {
  color: var(--ygn-primary);
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--ygn-surface-highlight);
}

.doc-content h3 {
  color: var(--ygn-secondary);
  margin-top: 2rem;
}

.doc-content img {
  max-width: 100%;
  border-radius: var(--ygn-radius);
  box-shadow: var(--ygn-shadow);
  margin: 1rem 0;
}

.doc-content blockquote {
  border-left: 4px solid var(--ygn-primary);
  background: var(--ygn-surface);
  padding: 1rem 1rem 1rem 1rem;
  border-radius: var(--ygn-radius-sm);
  margin: 2rem 0;
  font-style: italic;
}

.doc-content blockquote p {
  margin: 0;
}

.doc-content blockquote.doc-callout {
  --doc-callout-color: var(--ygn-primary);
  border-left-color: var(--doc-callout-color);
}

.doc-content blockquote.doc-callout-tip {
  --doc-callout-color: var(--ygn-tip);
}

.doc-content blockquote.doc-callout-note {
  --doc-callout-color: var(--ygn-note);
}

.doc-content blockquote.doc-callout-caution {
  --doc-callout-color: var(--ygn-caution);
}

.doc-content blockquote.doc-callout-warning {
  --doc-callout-color: var(--ygn-warning);
}

.doc-content .doc-callout > p:first-child > strong:first-child {
  color: var(--doc-callout-color);
}

.doc-content table {
  width: 100%;
  margin: 2rem 0;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--ygn-surface);
  border-radius: var(--ygn-radius-sm);
  overflow: hidden;
}

@media (max-width: 767.98px) {
  .doc-content > table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
  }
}

.doc-content th {
  background: var(--ygn-surface-highlight);
  padding: 1rem;
  text-align: left;
}

.doc-content td {
  padding: 1rem;
  border-top: 1px solid var(--ygn-surface-highlight);
}

.doc-content code {
  color: var(--ygn-on-secondary);
  font-size: 0.90rem;
}

.doc-content div.highlighter-rouge {
  background: var(--ygn-surface);
  border-radius: var(--ygn-radius-sm);
  overflow: hidden;
  margin: 1.5rem 0;
  box-shadow: var(--ygn-shadow);
}

.doc-content .code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--ygn-surface-highlight);
  padding: 0.35rem 1rem;
  min-height: 2rem;
}

.doc-content .code-lang {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Space Mono', monospace;
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ygn-on-secondary);
  opacity: 0.8;
}

.doc-content .copy-btn {
  background: none;
  border: none;
  color: var(--ygn-on-surface);
  cursor: pointer;
  padding: 0.15rem 0.4rem;
  font-size: 0.85rem;
  opacity: 0.45;
  transition: opacity var(--ygn-dur) var(--ygn-ease), color var(--ygn-dur) var(--ygn-ease);
  line-height: 1;
}

.doc-content .copy-btn:hover {
  opacity: 1;
  color: var(--ygn-primary);
}

.doc-content .copy-btn.copied {
  opacity: 1;
  color: var(--ygn-primary-dark);
}

.doc-content div.highlighter-rouge .highlight {
  background: transparent;
  margin: 0;
  padding: 0.5rem;
}

.doc-content div.highlighter-rouge pre.highlight {
  background: transparent;
  margin: 0;
  overflow-x: auto;
  color: var(--ygn-on-surface);
}

.doc-content div.highlighter-rouge code {
  color: var(--ygn-on-secondary);
  font-size: 0.90rem;
}

.doc-sidebar {
  position: sticky;
  top: 2rem;
  background: var(--ygn-surface);
  padding: 1.5rem;
  border-radius: var(--ygn-radius);
}

.doc-toc-link {
  display: block;
  padding: 0.5rem;
  color: var(--ygn-on-surface);
  text-decoration: none;
  opacity: 0.7;
  transition: all 0.2s;
}

.doc-toc-link.active {
  opacity: 1;
  color: var(--ygn-primary);
  transform: translateX(5px);
}

.doc-toc-link:hover.active {
  color: var(--ygn-primary-dark);
}

.doc-toc-link:hover {
  opacity: 1;
  color: var(--ygn-secondary);
  transform: translateX(5px);
}

/* =========================================
  Utilities / Extras
========================================= */
.img-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.img-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--ygn-radius);
}

.doc-img {
  cursor: zoom-in;
}

.img-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 1rem 0;
}

.img-grid.cols-1 {
  justify-items: center;
}

.img-grid.doc-image-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.img-grid.doc-image-grid.cols-1 {
  grid-template-columns: minmax(0, 40rem);
  justify-content: center;
  justify-items: stretch;
}

.doc-image {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  min-width: 0;
  overflow: hidden;
  color: var(--ygn-on-surface);
  background: var(--ygn-surface);
  border: 0;
  border-radius: var(--ygn-radius);
  box-shadow: var(--ygn-shadow);
  cursor: zoom-in;
  transition: transform var(--ygn-dur) var(--ygn-ease);
}

.doc-image::after {
  position: absolute;
  inset: 0;
  content: "";
  border: 1px solid transparent;
  border-radius: inherit;
  pointer-events: none;
  transition: border-color var(--ygn-dur) var(--ygn-ease);
}

.doc-image:hover,
.doc-image:focus-visible {
  transform: translateY(-2px);
}

.doc-image:hover::after,
.doc-image:focus-visible::after {
  border-color: var(--ygn-primary);
}

.doc-image:focus-visible {
  outline: 2px solid var(--ygn-primary);
  outline-offset: 3px;
}

.doc-content .doc-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0;
  border-radius: inherit;
  box-shadow: none;
}

.doc-image-zoom {
  position: absolute;
  right: 0.85rem;
  bottom: 0.85rem;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  color: var(--ygn-bg);
  background: var(--ygn-primary);
  border-radius: 50%;
  box-shadow: var(--ygn-shadow);
  pointer-events: none;
}

.doc-image-dialog {
  max-width: none;
  max-height: none;
  padding: 0;
  overflow: visible;
  color: var(--ygn-on-surface);
  background: transparent;
  border: 0;
}

.doc-image-dialog::backdrop {
  background: rgba(0, 0, 0, 0.95);
}

.doc-image-dialog img {
  display: block;
  width: auto;
  height: auto;
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--ygn-radius);
  box-shadow: var(--ygn-shadow);
}

.doc-image-dialog-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  color: var(--ygn-bg);
  background: var(--ygn-primary);
  border: 0;
  border-radius: 50%;
  box-shadow: var(--ygn-shadow);
  cursor: pointer;
}

.doc-image-dialog-close:hover,
.doc-image-dialog-close:focus-visible {
  background: var(--ygn-primary-dark);
}

.doc-image-dialog-close:focus-visible {
  outline: 2px solid var(--ygn-on-surface);
  outline-offset: 3px;
}

@media (max-width: 767.98px) {
  .img-grid.doc-image-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .doc-image-dialog img {
    max-width: 94vw;
    max-height: 88vh;
  }
}