/* ===================================================================
   rhdh-agent-sandbox — Jekyll + PatternFly v6 theme
   =================================================================== */

/* --- Red Hat Design Tokens --- */
:root {
  --rh-color-brand-red: #ee0000;
  --rh-color-brand-red-dark: #a60000;
  --rh-color-text-primary: #151515;
  --rh-color-text-secondary: #6a6e73;
  --rh-color-surface: #ffffff;
  --rh-color-surface-subtle: #f2f2f2;
  --rh-color-border: #d2d2d2;
  --rh-font-display: "Red Hat Display", "RedHatDisplay", sans-serif;
  --rh-font-text: "Red Hat Text", "RedHatText", sans-serif;
  --max-width: 88rem;
  --content-max-width: min(100%, 80rem);
}

/* --- Body & Page Shell --- */
body.pf-v6-c-page {
  margin: 0;
  font-family: var(--rh-font-text);
  color: var(--rh-color-text-primary);
  background: var(--rh-color-surface);
  display: grid;
  grid-template-columns: 16rem 1fr;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "header header"
    "sidebar main"
    "footer footer";
  min-height: 100vh;
}

.pf-v6-c-page__header {
  grid-area: header;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.pf-v6-c-page__sidebar {
  grid-area: sidebar;
  border-right: 1px solid var(--rh-color-border);
  background: var(--rh-color-surface);
  overflow-y: auto;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
}

.pf-v6-c-page__main {
  grid-area: main;
  min-width: 0;
}

.pf-v6-c-page__main-section {
  padding: 2rem 2.5rem;
  max-width: var(--max-width);
  width: 100%;
  box-sizing: border-box;
}

/* --- Masthead --- */
.pf-v6-c-masthead {
  display: flex;
  align-items: center;
  background: var(--rh-color-surface);
  border-bottom: 1px solid var(--rh-color-border);
  padding: 0 1.5rem;
  height: 64px;
}

.pf-v6-c-masthead__main {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 1.5rem;
}

.pf-v6-c-masthead__brand {
  flex-shrink: 0;
}

.masthead-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  color: var(--rh-color-text-primary);
}

.site-logo {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}

.masthead-title {
  font-family: var(--rh-font-display);
  font-weight: 700;
  font-size: 1.1rem;
  white-space: nowrap;
}

.pf-v6-c-masthead__content {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 1rem;
  justify-content: flex-end;
}

.masthead-nav {
  display: flex;
  gap: .25rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

@media (max-width: 1100px) {
  .masthead-nav-link {
    font-size: .8rem;
    padding: .35rem .5rem;
  }
}

.masthead-nav-link {
  font-family: var(--rh-font-text);
  font-size: .875rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--rh-color-text-primary);
  padding: .4rem .75rem;
  border-radius: 6px;
  transition: background .15s, color .15s;
}

.masthead-nav-link:hover {
  background: var(--rh-color-surface-subtle);
  color: var(--rh-color-brand-red);
}

.masthead-nav-link.pf-m-current {
  color: var(--rh-color-brand-red);
  font-weight: 700;
}

.masthead-github {
  color: var(--rh-color-text-primary);
  display: flex;
  align-items: center;
  padding: .4rem;
  border-radius: 6px;
  transition: background .15s;
}

.masthead-github:hover {
  background: var(--rh-color-surface-subtle);
}

.masthead-toggle {
  display: none;
  appearance: none;
  border: none;
  background: none;
  padding: .4rem;
  cursor: pointer;
  color: var(--rh-color-text-primary);
  border-radius: 6px;
}

.masthead-toggle:hover {
  background: var(--rh-color-surface-subtle);
}

/* --- Sidebar Navigation --- */
.pf-v6-c-nav {
  padding: 1rem 0;
}

.pf-v6-c-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pf-v6-c-nav__item {
  margin: 0;
}

.pf-v6-c-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .55rem 1.25rem;
  font-size: .9rem;
  font-family: var(--rh-font-text);
  color: var(--rh-color-text-primary);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background .15s, border-color .15s, color .15s;
  cursor: pointer;
}

.pf-v6-c-nav__link:hover {
  background: var(--rh-color-surface-subtle);
  color: var(--rh-color-brand-red);
}

.pf-v6-c-nav__link.pf-m-current {
  border-left-color: var(--rh-color-brand-red);
  color: var(--rh-color-brand-red);
  font-weight: 600;
  background: rgba(238, 0, 0, .04);
}

button.pf-v6-c-nav__link {
  width: 100%;
  border: none;
  background: none;
  font-weight: 600;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--rh-color-text-secondary);
}

button.pf-v6-c-nav__link:hover {
  color: var(--rh-color-text-primary);
}

.nav-toggle-icon {
  font-size: .6rem;
  transition: transform .2s;
}

button.pf-v6-c-nav__link[aria-expanded="true"] .nav-toggle-icon {
  transform: rotate(90deg);
}

.nav-section-items {
  padding-left: .75rem;
}

.pf-v6-c-nav__section {
  margin-top: .75rem;
}

/* --- Content Typography --- */
.pf-v6-c-content {
  max-width: var(--content-max-width);
  width: 100%;
  line-height: 1.7;
  font-size: 1rem;
}

.pf-v6-c-content:has(.journey-carousel),
.pf-v6-c-content:has(.arcade-embed),
.pf-v6-c-content.content--wide {
  max-width: none;
  width: 100%;
}

.pf-v6-c-content h1,
.pf-v6-c-content h2,
.pf-v6-c-content h3,
.pf-v6-c-content h4,
.pf-v6-c-content h5,
.pf-v6-c-content h6 {
  font-family: var(--rh-font-display);
  color: var(--rh-color-text-primary);
  margin-top: 2rem;
  margin-bottom: .75rem;
  line-height: 1.3;
}

.pf-v6-c-content h1 { font-size: 2rem; font-weight: 700; }
.pf-v6-c-content h2 { font-size: 1.5rem; font-weight: 700; border-bottom: 1px solid var(--rh-color-border); padding-bottom: .4rem; }
.pf-v6-c-content h3 { font-size: 1.25rem; font-weight: 600; }
.pf-v6-c-content h4 { font-size: 1.1rem; font-weight: 600; }

.pf-v6-c-content p {
  margin: 0 0 1rem;
}

.pf-v6-c-content a {
  color: var(--rh-color-brand-red);
  text-decoration: none;
}

.pf-v6-c-content a:hover {
  text-decoration: underline;
  color: var(--rh-color-brand-red-dark);
}

.pf-v6-c-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--rh-color-border);
  margin: 1rem 0;
}

.pf-v6-c-content ul,
.pf-v6-c-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.pf-v6-c-content li {
  margin-bottom: .35rem;
}

/* --- Tables --- */
.pf-v6-c-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: .9rem;
}

.pf-v6-c-content th,
.pf-v6-c-content td {
  padding: .6rem .85rem;
  border: 1px solid var(--rh-color-border);
  text-align: left;
}

.pf-v6-c-content th {
  background: var(--rh-color-surface-subtle);
  font-family: var(--rh-font-display);
  font-weight: 600;
}

.pf-v6-c-content tr:nth-child(even) {
  background: rgba(0, 0, 0, .02);
}

/* --- Code Blocks --- */
.pf-v6-c-content code {
  font-family: "Red Hat Mono", "JetBrains Mono", monospace;
  font-size: .85em;
  background: var(--rh-color-surface-subtle);
  padding: .15em .4em;
  border-radius: 4px;
}

.pf-v6-c-content pre {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 1.25rem 1.5rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.25rem 0;
  line-height: 1.5;
  font-size: .85rem;
}

.pf-v6-c-content pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  color: inherit;
}

/* --- Arcade embed --- */
.arcade-embed {
  margin: 1.5rem 0 2rem;
  border: 1px solid var(--rh-color-border);
  border-radius: 12px;
  overflow: hidden;
  background: #0f0f10;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .18);
  width: 100%;
}

.arcade-embed:focus {
  outline: 2px solid var(--rh-color-brand-red);
  outline-offset: 3px;
}

.arcade-embed__frame {
  position: relative;
  width: 100%;
  background: #151515;
}

.arcade-embed iframe {
  width: 100%;
  height: min(75vh, 820px);
  min-height: 420px;
  border: 0;
  display: block;
}

.arcade-embed__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: .75rem 1rem;
  font-size: .875rem;
  color: var(--rh-color-text-secondary);
  background: var(--rh-color-surface-subtle);
  border-top: 1px solid var(--rh-color-border);
}

.arcade-embed__hint {
  flex: 1;
  text-align: center;
  font-size: .8125rem;
  color: var(--rh-color-text-secondary);
  min-width: 5rem;
}

.arcade-embed__fs {
  appearance: none;
  border: 1px solid var(--rh-color-border);
  background: var(--rh-color-surface);
  color: var(--rh-color-text-primary);
  font-family: var(--rh-font-text);
  font-size: .8125rem;
  font-weight: 600;
  padding: .4rem .85rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}

.arcade-embed__fs:hover,
.arcade-embed__fs[aria-pressed="true"] {
  background: #fff;
  border-color: var(--rh-color-brand-red);
  color: var(--rh-color-brand-red);
}

.arcade-embed__open {
  color: var(--rh-color-brand-red);
  font-weight: 500;
  text-decoration: none;
}

.arcade-embed__open:hover {
  text-decoration: underline;
}

.arcade-embed.is-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  width: 100vw;
  height: 100vh;
  margin: 0;
  border-radius: 0;
  display: flex;
  flex-direction: column;
}

.arcade-embed.is-fullscreen .arcade-embed__frame {
  flex: 1;
  min-height: 0;
}

.arcade-embed.is-fullscreen iframe {
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: none;
}

body.arcade-fs-open {
  overflow: hidden;
}

/* --- Hero Section (home layout) --- */
.hero-section {
  background: linear-gradient(160deg, #1a1a1a 0%, #2a0f0f 50%, #0f0f10 100%);
  padding: 5rem 2.5rem;
  text-align: center;
  border-bottom: 1px solid rgba(238, 0, 0, .2);
}

.hero-inner {
  max-width: 48rem;
  margin: 0 auto;
}

.hero-title {
  font-family: var(--rh-font-display);
  font-size: 2.75rem;
  font-weight: 900;
  color: #ffffff;
  margin: 0 0 1rem;
  line-height: 1.15;
}

.hero-subtitle {
  font-family: var(--rh-font-text);
  font-size: 1.15rem;
  color: #c8c8c8;
  margin: 0 0 2rem;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-btn {
  font-family: var(--rh-font-display);
  font-weight: 700;
  font-size: 1rem;
  padding: .75rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  transition: transform .15s, box-shadow .15s;
}

.hero-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .3);
}

a.pf-v6-c-button.pf-m-primary.hero-btn {
  background: var(--rh-color-brand-red);
  color: #fff;
  border: none;
}

a.pf-v6-c-button.pf-m-primary.hero-btn:hover {
  background: var(--rh-color-brand-red-dark);
}

a.pf-v6-c-button.pf-m-secondary.hero-btn--secondary {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .4);
}

a.pf-v6-c-button.pf-m-secondary.hero-btn--secondary:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, .05);
}

/* --- Card Grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card-grid .card {
  background: var(--rh-color-surface);
  border: 1px solid var(--rh-color-border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: box-shadow .2s, transform .2s;
}

.card-grid .card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, .08);
  transform: translateY(-2px);
}

.card-grid .card h3 {
  font-family: var(--rh-font-display);
  font-size: 1.1rem;
  margin: 0 0 .5rem;
}

.card-grid .card p {
  color: var(--rh-color-text-secondary);
  font-size: .9rem;
  margin: 0;
}

/* --- Admonitions / Callouts --- */
.admonition,
.callout,
blockquote {
  border-left: 4px solid var(--rh-color-border);
  background: var(--rh-color-surface-subtle);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  border-radius: 0 8px 8px 0;
}

.admonition-note,
blockquote {
  border-left-color: #2196f3;
}

.admonition-warning {
  border-left-color: #ff9800;
  background: #fff8e1;
}

.admonition-tip {
  border-left-color: #4caf50;
  background: #e8f5e9;
}

.admonition-title {
  font-family: var(--rh-font-display);
  font-weight: 700;
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: .4rem;
}

/* --- Footer --- */
.site-footer {
  grid-area: footer;
  border-top: 1px solid var(--rh-color-border);
  padding: 1.25rem 2rem;
  text-align: center;
  font-size: .85rem;
  color: var(--rh-color-text-secondary);
  background: var(--rh-color-surface-subtle);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--rh-color-brand-red);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* ===================================================================
   Journey Carousel (from demo-lightwell)
   =================================================================== */
.journey-carousel { position: relative; background: #0f0f10; border: 1px solid var(--rh-color-border); border-radius: 12px; overflow: hidden; box-shadow: 0 12px 40px rgba(0,0,0,.18); width: 100% }
.journey-carousel:focus { outline: 2px solid var(--rh-color-brand-red); outline-offset: 3px }
.journey-carousel.is-fullscreen { position: fixed; inset: 0; z-index: 9999; width: 100vw; height: 100vh; border-radius: 0; display: flex; flex-direction: column; background: #0f0f10 }
.journey-carousel.is-fullscreen .journey-viewport { flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center }
.journey-carousel.is-fullscreen .journey-slide.is-active { width: 100%; height: 100% }
.journey-carousel.is-fullscreen .journey-slide img,
.journey-carousel.is-fullscreen .journey-slide .slide-cta { max-height: calc(100vh - 11rem); height: auto; width: auto; max-width: 100% }
body.journey-fs-open { overflow: hidden }
.journey-viewport {
  position: relative;
  background: #151515;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: min(42vh, 360px);
}
.journey-slide { display: none; flex-direction: column; margin: 0; width: 100% }
.journey-slide.is-active { display: flex }
.journey-slide img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: min(72vh, 680px);
  object-fit: contain;
  object-position: center top;
  background: #1a1a1a;
  display: block;
  margin: 0 auto;
  cursor: zoom-in;
  border: none;
  border-radius: 0;
}
.journey-slide .slide-cta {
  min-height: min(42vh, 360px);
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: linear-gradient(160deg,#1c1c1c 0%,#2a1212 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: #f5f5f5;
}
.journey-slide .slide-cta p { margin: 0; color: #d2d2d2; max-width: 28rem }
.journey-slide figcaption {
  padding: .85rem 1.25rem 1rem;
  background: #fff;
  border-top: 1px solid var(--rh-color-border);
}
.journey-slide .slide-num {
  display: inline-block;
  font-family: var(--rh-font-display);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--rh-color-brand-red);
  font-weight: 700;
  margin-bottom: .15rem;
}
/* Title only — do not make every <strong> in .desc a block */
.journey-slide figcaption > strong {
  display: block;
  color: var(--rh-color-text-primary);
  font-family: var(--rh-font-display);
  font-size: 1.15rem;
  margin-bottom: .25rem;
}
.journey-slide figcaption span.desc {
  display: block;
  color: var(--rh-color-text-secondary);
  font-size: .95rem;
  line-height: 1.45;
}
.journey-slide figcaption span.desc strong {
  display: inline;
  font-family: var(--rh-font-text);
  font-size: inherit;
  color: var(--rh-color-text-primary);
  margin: 0;
}

/* Wide screens: image + caption side-by-side to use horizontal space */
@media (min-width: 960px) {
  .journey-slide.is-active {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(16rem, 0.9fr);
    align-items: stretch;
    min-height: min(68vh, 620px);
  }
  .journey-viewport {
    min-height: 0;
    background: #151515;
  }
  .journey-slide img {
    width: 100%;
    height: 100%;
    max-height: min(78vh, 720px);
    object-fit: contain;
    object-position: center center;
    margin: 0;
  }
  .journey-slide figcaption {
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-top: none;
    border-left: 1px solid var(--rh-color-border);
    padding: 1.25rem 1.5rem;
    background: #fff;
  }
  .journey-carousel.is-fullscreen .journey-slide.is-active {
    grid-template-columns: 1fr;
  }
  .journey-carousel.is-fullscreen .journey-slide figcaption {
    border-left: none;
    border-top: 1px solid var(--rh-color-border);
  }
}

.journey-controls { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .75rem 1rem; background: #fff; border-top: 1px solid var(--rh-color-border) }
.journey-nav { display: flex; gap: .5rem }
.journey-btn { appearance: none; border: 1px solid var(--rh-color-border); background: #fff; color: var(--rh-color-text-primary); font-family: var(--rh-font-display); font-weight: 700; font-size: .95rem; padding: .45rem .85rem; border-radius: 6px; cursor: pointer }
.journey-btn:hover { border-color: var(--rh-color-brand-red); color: var(--rh-color-brand-red) }
.journey-btn:focus-visible { outline: 2px solid var(--rh-color-brand-red); outline-offset: 2px }
.journey-dots { display: flex; flex-wrap: wrap; justify-content: center; gap: .35rem; flex: 1 }
.journey-dot { width: .55rem; height: .55rem; border-radius: 50%; border: none; padding: 0; background: #c8c8c8; cursor: pointer }
.journey-dot[aria-current="true"] { background: var(--rh-color-brand-red); transform: scale(1.25) }
.journey-status { font-size: .8rem; color: var(--rh-color-text-secondary); white-space: nowrap; font-variant-numeric: tabular-nums }

/* ===================================================================
   Responsive Breakpoints
   =================================================================== */
@media (max-width: 900px) {
  body.pf-v6-c-page {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "main"
      "footer";
  }

  .pf-v6-c-page__sidebar {
    position: fixed;
    top: 64px;
    left: 0;
    bottom: 0;
    width: 16rem;
    z-index: 999;
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: 4px 0 16px rgba(0, 0, 0, .1);
  }

  .pf-v6-c-page__sidebar.is-open {
    transform: translateX(0);
  }

  .masthead-nav {
    display: none;
  }

  .masthead-toggle {
    display: flex;
  }
}

@media (max-width: 800px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-section {
    padding: 3.5rem 1.5rem;
  }

  .pf-v6-c-page__main-section {
    padding: 1.5rem 1.25rem;
  }
}

@media (max-width: 720px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .pf-v6-c-content table {
    font-size: .8rem;
  }

  .pf-v6-c-content th,
  .pf-v6-c-content td {
    padding: .4rem .6rem;
  }
}

@media (max-width: 640px) {
  .journey-status { display: none }
  .journey-viewport { min-height: 240px }
  .journey-slide img { max-height: min(55vh, 420px) }
  .journey-slide .slide-cta { min-height: 240px }

  .hero-title {
    font-size: 1.6rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-btn {
    padding: .6rem 1.5rem;
    font-size: .9rem;
  }
}