/* ============================================
   Anthropic / Claude Code — reveal.js theme
   Light cream theme matching code.claude.com
   ============================================ */

/* --- Fonts --------------------------------- */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  /* Brand palette — light / cream */
  --anthro-bg:          #FAF9F4;
  --anthro-bg-surface:  #F0EDE5;
  --anthro-bg-raised:   #E8E4DA;
  --anthro-accent:      #C46849;
  --anthro-accent-hover:#d97757;
  --anthro-fg:          #1a1a1a;
  --anthro-fg-muted:    #5c5c5c;
  --anthro-fg-light:    #8a8a8a;
  --anthro-border:      #DDD8CE;
  --anthro-selection:   rgba(196, 104, 73, 0.2);
  --anthro-green:       #2D7A4F;
  --anthro-code-bg:     #F0EDE5;

  /* Typography */
  --anthro-font:        "Inter", system-ui, -apple-system, sans-serif;
  --anthro-mono:        "JetBrains Mono", ui-monospace, monospace;
}

/* --- Base ---------------------------------- */
.reveal-viewport {
  background: var(--anthro-bg);
}

.reveal {
  font-family: var(--anthro-font);
  font-size: 38px;
  font-weight: 400;
  color: var(--anthro-fg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--anthro-selection);
  color: var(--anthro-fg);
}

/* --- Headings ------------------------------ */
.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4,
.reveal h5,
.reveal h6 {
  font-family: var(--anthro-font);
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--anthro-fg);
  margin-bottom: 0.6em;
}

.reveal h1 { font-size: 2.2em; font-weight: 700; }
.reveal h2 { font-size: 1.5em; }
.reveal h3 { font-size: 1.15em; color: var(--anthro-fg-muted); }

/* --- Accent underline for h2 --------------- */
.reveal h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--anthro-accent);
  border-radius: 2px;
  margin-top: 0.35em;
}

.reveal section.center-title h1::after,
.reveal section.center-title h2::after {
  margin-left: auto;
  margin-right: auto;
}

/* No underline on title slide h1 */
.reveal section.center-title h1::after {
  display: none;
}

/* --- Body text ----------------------------- */
.reveal p {
  line-height: 1.6;
  color: var(--anthro-fg-muted);
  margin-bottom: 0.8em;
}

.reveal .subtitle {
  font-size: 0.55em;
  font-weight: 300;
  color: var(--anthro-fg-muted);
  margin-top: 0.6em;
  letter-spacing: 0.01em;
}

/* --- Lists --------------------------------- */
.reveal ul,
.reveal ol {
  text-align: left;
  margin-left: 0.4em;
}

.reveal li {
  line-height: 1.5;
  margin-bottom: 0.45em;
  color: var(--anthro-fg-muted);
}

.reveal li::marker {
  color: var(--anthro-accent);
}

/* --- Highlight class ----------------------- */
.reveal .highlight {
  color: var(--anthro-accent);
  font-weight: 600;
}

/* --- Inline code --------------------------- */
.reveal code {
  font-family: var(--anthro-mono);
  font-size: 0.8em;
  background: var(--anthro-code-bg);
  border: 1px solid var(--anthro-border);
  padding: 0.12em 0.45em;
  border-radius: 6px;
  color: var(--anthro-accent);
}

/* --- Code blocks --------------------------- */
.reveal pre {
  width: 100%;
  margin: 0.8em 0;
  box-shadow: none;
}

.reveal pre code {
  display: block;
  background: var(--anthro-fg);
  border: 1px solid var(--anthro-border);
  border-radius: 10px;
  padding: 0.8em 1em;
  font-size: 0.55em;
  line-height: 1.55;
  color: #e0e0e0;
  max-height: 480px;
  overflow: auto;
}

/* --- Links --------------------------------- */
.reveal a {
  color: var(--anthro-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

.reveal a:hover {
  color: var(--anthro-accent-hover);
  text-decoration: underline;
}

/* --- Blockquotes / callouts ---------------- */
.reveal blockquote {
  background: var(--anthro-bg-surface);
  border-left: 4px solid var(--anthro-accent);
  border-radius: 0 10px 10px 0;
  padding: 0.6em 1em;
  margin: 0.8em 0;
  font-style: normal;
  width: 90%;
  box-shadow: none;
}

.reveal blockquote p {
  color: var(--anthro-fg-muted);
  font-size: 0.85em;
}

/* --- Tables -------------------------------- */
.reveal table {
  border-collapse: collapse;
  margin: 0.8em auto;
}

.reveal table th {
  font-weight: 600;
  color: var(--anthro-fg);
  border-bottom: 2px solid var(--anthro-accent);
  padding: 0.4em 0.8em;
}

.reveal table td {
  color: var(--anthro-fg-muted);
  border-bottom: 1px solid var(--anthro-border);
  padding: 0.4em 0.8em;
}

/* --- Pill / badge helper ------------------- */
.reveal .pill {
  display: inline-block;
  background: var(--anthro-bg-surface);
  border: 1px solid var(--anthro-border);
  border-radius: 999px;
  padding: 0.15em 0.65em;
  font-size: 0.55em;
  color: var(--anthro-fg-muted);
  margin: 0.15em;
}

.reveal .pill.accent {
  border-color: var(--anthro-accent);
  color: var(--anthro-accent);
}

/* --- Divider line helper ------------------- */
.reveal hr {
  border: none;
  height: 1px;
  background: var(--anthro-border);
  margin: 1em 0;
}

/* --- Slide number -------------------------- */
.reveal .slide-number {
  font-family: var(--anthro-mono);
  font-size: 14px;
  color: var(--anthro-fg-light);
  background: transparent;
}

/* --- Progress bar -------------------------- */
.reveal .progress {
  height: 3px;
  color: var(--anthro-accent);
}

.reveal .progress span {
  background: var(--anthro-accent);
  transition: width 0.8s cubic-bezier(0.26, 0.86, 0.44, 0.985);
}

/* --- Controls ------------------------------ */
.reveal .controls button {
  color: var(--anthro-accent);
}

/* --- Logo on title slide ------------------- */
.reveal .logo {
  margin-bottom: 0.6em;
}

.reveal .logo svg {
  width: 80px;
  height: 80px;
}

/* --- Utility: muted text ------------------- */
.reveal .muted {
  color: var(--anthro-fg-light);
  font-size: 0.5em;
}

/* --- Tip/callout box (green, like docs) ---- */
.reveal .tip {
  background: rgba(45, 122, 79, 0.08);
  border-left: 4px solid var(--anthro-green);
  border-radius: 0 10px 10px 0;
  padding: 0.5em 0.8em;
  margin: 0.8em 0;
  text-align: left;
}

.reveal .tip p {
  color: var(--anthro-fg-muted);
  font-size: 0.65em;
  margin: 0;
}

/* --- Tool cards (grid) --------------------- */
.reveal .tool-card {
  background: var(--anthro-bg-surface);
  border: 1px solid var(--anthro-border);
  border-radius: 10px;
  padding: 0.1em 0.6em;
}

.reveal .tool-card p {
  margin-bottom: 0;
  line-height: 1.3;
}

.reveal .tool-card code {
  font-size: 0.8em;
  padding: 0.08em 0.35em;
}