/* =========================================================================
   Universal Reveal slide theme
   Scoped to #slide-overlay to avoid side effects in normal document view.
   ========================================================================= */

#slide-overlay {
  --slide-bg: #f7f5f2;
  --slide-surface: #ffffff;
  --slide-surface-soft: color-mix(in srgb, var(--slide-surface) 88%, var(--accent) 12%);
  --slide-text: var(--text);
  --slide-muted: var(--text-muted);
  --slide-border: color-mix(in srgb, var(--border) 78%, var(--accent) 22%);
  --slide-accent: var(--accent);
  --slide-accent-soft: var(--accent-weak);

  --slide-font-ui: var(--font-ui);
  --slide-font-body: var(--font-read);
  --slide-font-mono: var(--font-mono);

  --slide-h1: clamp(1.65rem, 1.35rem + 1.35vw, 2.6rem);
  --slide-h2: clamp(1.3rem, 1.1rem + 0.9vw, 2rem);
  --slide-h3: clamp(1.1rem, 1rem + 0.5vw, 1.45rem);
  --slide-h4: 1.05rem;
  --slide-body: clamp(1rem, 0.97rem + 0.25vw, 1.17rem);
  --slide-small: 0.9rem;

  --slide-pad-x: clamp(1.4rem, 2.2vw, 3.8rem);
  --slide-pad-y: clamp(1.2rem, 2vw, 2.8rem);
  --slide-gap: clamp(0.68rem, 0.52rem + 0.46vw, 1.08rem);
  --slide-max-width: 76rem;

  background:
    radial-gradient(circle at 12% 8%, color-mix(in srgb, var(--accent) 7%, transparent) 0, transparent 34%),
    radial-gradient(circle at 88% 14%, color-mix(in srgb, var(--accent) 5%, transparent) 0, transparent 30%),
    linear-gradient(150deg, #faf8f4 0%, var(--slide-bg) 62%, #f3f1ec 100%);
}

#slide-overlay .slide-theme-base {
  color: var(--slide-text);
  background: transparent;
  font-family: var(--slide-font-ui);
  font-size: 21px !important;
}

#slide-overlay .slide-theme-base .slides {
  padding-top: 1.4rem;
  padding-bottom: 2.6rem;
}

#slide-overlay .slide-theme-base .slides section {
  width: min(100%, var(--slide-max-width));
  margin: 0 auto;
  padding: var(--slide-pad-y) var(--slide-pad-x);
  border-radius: 18px;
  border: 1px solid var(--slide-border);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--slide-surface) 92%, var(--accent) 8%) 0, var(--slide-surface) 34%),
    var(--slide-surface);
  box-shadow: 0 18px 56px -34px rgb(17 22 34 / 45%);
  color: var(--slide-text);
  text-align: left;
  font-family: var(--slide-font-ui);
  font-size: var(--slide-body);
  line-height: 1.65;
  overflow-y: auto;
  max-height: min(92vh, 100%);
  scrollbar-gutter: stable both-edges;
}

#slide-overlay .slide-theme-base .slides section > * + * {
  margin-top: var(--slide-gap);
}

#slide-overlay .slide-theme-base .slides section h1,
#slide-overlay .slide-theme-base .slides section h2,
#slide-overlay .slide-theme-base .slides section h3,
#slide-overlay .slide-theme-base .slides section h4 {
  font-family: var(--slide-font-ui);
  color: var(--slide-text);
  line-height: 1.22;
  letter-spacing: 0;
  margin-top: 0;
}

#slide-overlay .slide-theme-base .slides section h1 {
  font-size: var(--slide-h1);
  margin-bottom: 0.5rem;
}

#slide-overlay .slide-theme-base .slides section h2 {
  font-size: var(--slide-h2);
  margin-bottom: 0.4rem;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid color-mix(in srgb, var(--slide-accent) 42%, transparent);
}

#slide-overlay .slide-theme-base .slides section h3 {
  font-size: var(--slide-h3);
  margin-bottom: 0.25rem;
}

#slide-overlay .slide-theme-base .slides section h4 {
  font-size: var(--slide-h4);
  margin-bottom: 0.15rem;
  color: color-mix(in srgb, var(--slide-text) 80%, var(--slide-accent) 20%);
}

#slide-overlay .slide-theme-base .slides section p,
#slide-overlay .slide-theme-base .slides section li,
#slide-overlay .slide-theme-base .slides section td,
#slide-overlay .slide-theme-base .slides section th {
  font-family: var(--slide-font-body);
  font-size: 1em;
}

#slide-overlay .slide-theme-base .slides section ul,
#slide-overlay .slide-theme-base .slides section ol {
  padding-left: 1.45em;
  margin: 0;
}

#slide-overlay .slide-theme-base .slides section li + li {
  margin-top: 0.36em;
}

#slide-overlay .slide-theme-base .slides section ul ul,
#slide-overlay .slide-theme-base .slides section ol ol,
#slide-overlay .slide-theme-base .slides section ul ol,
#slide-overlay .slide-theme-base .slides section ol ul {
  margin-top: 0.32em;
}

#slide-overlay .slide-theme-base .slides section blockquote {
  margin: 0.95rem 0;
  padding: 0.6rem 0.9rem;
  border-left: 4px solid var(--slide-accent);
  background: color-mix(in srgb, var(--slide-accent-soft) 60%, white 40%);
  color: color-mix(in srgb, var(--slide-text) 82%, var(--slide-accent) 18%);
  border-radius: 0 10px 10px 0;
}

#slide-overlay .slide-theme-base .slides section hr {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--slide-accent) 45%, var(--slide-border) 55%), transparent);
  margin: 1.15rem 0;
}

#slide-overlay .slide-theme-base .slides section a {
  color: color-mix(in srgb, var(--slide-accent) 86%, #072f57 14%);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1.5px;
}

#slide-overlay .slide-theme-base .slides section code {
  font-family: var(--slide-font-mono);
  font-size: 0.83em;
  background: color-mix(in srgb, var(--slide-accent-soft) 46%, white 54%);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

#slide-overlay .slide-theme-base .slides section .codeblock,
#slide-overlay .slide-theme-base .slides section pre {
  max-height: min(58vh, 760px);
  overflow-x: auto;
  overflow-y: auto;
  border-radius: 10px;
}

#slide-overlay .slide-theme-base .slides section img,
#slide-overlay .slide-theme-base .slides section video,
#slide-overlay .slide-theme-base .slides section iframe {
  max-width: 100%;
  max-height: 72vh;
  height: auto;
  border-radius: 8px;
}

#slide-overlay .slide-theme-base .slides section figure {
  margin: 1rem 0;
}

#slide-overlay .slide-theme-base .slides section figcaption {
  margin-top: 0.48rem;
  color: var(--slide-muted);
  font-size: var(--slide-small);
  font-family: var(--slide-font-ui);
}

#slide-overlay .slide-theme-base .slides section table {
  width: 100%;
  max-width: 100%;
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  border: 1px solid var(--slide-border);
  border-radius: 8px;
}

#slide-overlay .slide-theme-base .slides section th,
#slide-overlay .slide-theme-base .slides section td {
  border: 1px solid var(--slide-border);
  text-align: left;
  padding: 0.46em 0.62em;
  white-space: normal;
}

#slide-overlay .slide-theme-base .slides section th {
  background: color-mix(in srgb, var(--slide-surface-soft) 75%, white 25%);
  font-weight: 700;
}

#slide-overlay .slide-theme-base .slides section.is-dense {
  --slide-gap: 0.58rem;
  --slide-body: clamp(0.95rem, 0.92rem + 0.18vw, 1.08rem);
}

#slide-overlay .slide-theme-base .slides section.is-dense p,
#slide-overlay .slide-theme-base .slides section.is-dense li {
  line-height: 1.53;
}

#slide-overlay .slide-theme-base .slides section.has-code {
  border-color: color-mix(in srgb, var(--slide-border) 86%, #4060a8 14%);
}

#slide-overlay .slide-theme-base .slides section.has-table {
  border-color: color-mix(in srgb, var(--slide-border) 82%, #2f5c8e 18%);
}

#slide-overlay .slide-theme-base .slides section.has-wide-table {
  --slide-pad-x: clamp(1.1rem, 1.8vw, 2.4rem);
}

#slide-overlay .slide-theme-base .slides section.has-image img {
  box-shadow: 0 8px 24px -18px rgb(22 31 45 / 75%);
}

#slide-overlay .slide-theme-base .doc-header {
  margin-bottom: 1.35rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--slide-border);
}

#slide-overlay .slide-theme-base .doc-header h1 {
  font-size: clamp(1.85rem, 1.45rem + 1.35vw, 2.9rem);
  margin: 0;
  border-bottom: 0;
  padding-bottom: 0;
}

#slide-overlay .slide-theme-base .doc-header__eyebrow {
  font-family: var(--slide-font-ui);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slide-accent);
  margin-bottom: 0.35rem;
}

#slide-overlay .slide-theme-base .reveal .progress {
  color: var(--slide-accent);
  height: 5px;
}

#slide-overlay .slide-theme-base .reveal .controls {
  color: color-mix(in srgb, var(--slide-accent) 92%, #263d62 8%);
}

@media (max-width: 900px) {
  #slide-overlay {
    --slide-pad-x: 1rem;
    --slide-pad-y: 1rem;
    --slide-body: 1rem;
    --slide-h1: clamp(1.45rem, 1.2rem + 1.1vw, 2rem);
    --slide-h2: clamp(1.2rem, 1.06rem + 0.8vw, 1.55rem);
    --slide-h3: clamp(1.06rem, 1rem + 0.5vw, 1.3rem);
  }

  #slide-overlay .slide-theme-base .slides {
    padding-top: 0.65rem;
    padding-bottom: 1rem;
  }

  #slide-overlay .slide-theme-base .slides section {
    border-radius: 10px;
    max-height: 96vh;
  }

  #slide-overlay .slide-theme-base .slides section table {
    font-size: 0.92em;
  }
}

@media print {
  #slide-overlay {
    background: #ffffff;
  }

  #slide-overlay .slide-theme-base .slides section {
    border: 1px solid #d5d5d5;
    box-shadow: none;
    background: #ffffff;
  }
}