/* Theme for the RAG presentation. Light "paper" palette, chosen to read
   cleanly on a screen recording rather than a projector. */

/* palette lives in tokens.css */

.reveal-viewport { background: var(--paper); }

.reveal {
  font-family: var(--body);
  font-size: 30px;
  color: var(--ink);
}

.reveal .slides { text-align: left; }

/* Reveal centres slides vertically. Cap the width so long prose lines do not
   run the full 1280px, which is uncomfortable to read on a recording. */
.reveal .slides section > * { max-width: 1180px; }

/* --- headings ------------------------------------------------------- */
.reveal h1, .reveal h2, .reveal h3, .reveal h4 {
  font-family: var(--display);
  color: var(--ink);
  text-transform: none;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 0.5em 0;
  text-shadow: none;
}
.reveal h1 { font-size: 2.4em; font-weight: 800; }
.reveal h2 { font-size: 1.65em; font-weight: 800; }
.reveal h3 { font-size: 1.15em; font-weight: 600; }
.reveal h4 {
  font-size: 0.62em; font-weight: 600; color: var(--ink-faint);
  text-transform: uppercase; letter-spacing: 0.14em;
}

.reveal p { line-height: 1.5; margin: 0 0 0.7em 0; }
.reveal strong { color: var(--accent-text); font-weight: 600; }
.reveal em { color: var(--teal); font-style: italic; }

/* --- the eyebrow that numbers every slide ---------------------------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.5em;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.4em;
  display: block;
}
.eyebrow b { color: var(--accent-text); font-weight: 600; }

/* --- lists ----------------------------------------------------------- */
.reveal ul, .reveal ol { display: block; margin-left: 1.1em; }
.reveal li { line-height: 1.45; margin-bottom: 0.42em; }
.reveal ul li::marker { color: var(--accent); }
.reveal ol li::marker { color: var(--accent); font-family: var(--mono); font-size: 0.8em; }

/* --- code ------------------------------------------------------------ */
.reveal pre {
  font-family: var(--mono);
  font-size: 0.44em;
  line-height: 1.5;
  width: 100%;
  box-shadow: none;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 6px;
  margin: 0.5em 0;
}
.reveal pre code {
  padding: 0.9em 1.1em;
  background: transparent;
  max-height: 560px;
  border-radius: 6px;
}
.reveal code { font-family: var(--mono); font-variant-ligatures: none; }
.reveal p code, .reveal li code, .reveal td code {
  background: var(--accent-soft);
  color: var(--accent-ink);
  padding: 0.08em 0.32em;
  border-radius: 3px;
  font-size: 0.82em;
}

/* --- the demo cue: the single most important element in the deck ------ */
.cue {
  display: flex;
  align-items: center;
  gap: 0.9em;
  background: var(--accent-soft);
  border-left: 5px solid var(--accent);
  border-radius: 4px;
  padding: 0.7em 1em;
  margin: 0.8em 0;
  font-family: var(--mono);
  font-size: 0.55em;
  line-height: 1.4;
}
.cue .label {
  font-weight: 700;
  color: var(--accent-ink);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.8em;
  white-space: nowrap;
}
.cue .cmd { color: var(--ink); font-weight: 500; }

/* --- callouts -------------------------------------------------------- */
.callout {
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 5px solid var(--teal);
  border-radius: 4px;
  padding: 0.7em 1em;
  margin: 0.7em 0;
  font-size: 0.72em;
  line-height: 1.5;
}
.callout .label {
  font-family: var(--mono);
  font-size: 0.68em;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--teal);
  display: block;
  margin-bottom: 0.35em;
  font-weight: 700;
}
.callout.warn { border-left-color: var(--accent); }
.callout.warn .label { color: var(--accent-text); }

.definition {
  background: var(--teal-soft);
  border-radius: 6px;
  padding: 0.9em 1.1em;
  margin: 0.7em 0;
  font-size: 0.8em;
  line-height: 1.5;
}

/* --- tables ---------------------------------------------------------- */
.reveal table { width: 100%; border-collapse: collapse; font-size: 0.62em; margin: 0.5em 0; }
.reveal table th {
  font-family: var(--mono); font-size: 0.78em; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--ink-faint); font-weight: 500;
  text-align: left; border-bottom: 2px solid var(--rule); padding: 0.5em 0.7em;
}
.reveal table td {
  padding: 0.5em 0.7em; border-bottom: 1px solid var(--rule);
  vertical-align: top; line-height: 1.4;
}
.reveal table td.num { font-family: var(--mono); text-align: right; white-space: nowrap; }

/* --- the pipeline diagram -------------------------------------------- */
.pipe { margin: 0.5em 0; }
.pipe .row { display: flex; align-items: center; gap: 0.5em; margin-bottom: 0.35em; }
.pipe .box {
  flex: 1; background: var(--card); border: 1px solid var(--rule);
  border-radius: 5px; padding: 0.65em 0.4em; text-align: center;
  font-family: var(--display); font-size: 0.5em; font-weight: 600;
  line-height: 1.25; color: var(--ink);
}
.pipe .box small {
  display: block; font-family: var(--mono); font-weight: 400;
  font-size: 0.72em; color: var(--ink-soft); margin-top: 0.25em;
}
.pipe .box.hot { border-color: var(--accent); background: var(--accent-soft); }
.pipe .box.cool { border-color: var(--teal); background: var(--teal-soft); }
.pipe .arrow { color: var(--ink-faint); font-size: 0.7em; flex: 0 0 auto; }
.pipe .tag {
  font-family: var(--mono); font-size: 0.42em; margin-top: 0.9em; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--ink-faint); margin: 0.5em 0 0.3em;
}
.pipe .tag b { color: var(--accent-text); font-weight: 700; }

/* --- terminal output blocks ------------------------------------------ */
.term {
  background: var(--term-bg); color: var(--term-fg); border-radius: 6px;
  font-family: var(--mono); font-size: 0.4em; line-height: 1.55;
  /* terminal output must render literally: no "===" -> ligature */
  font-variant-ligatures: none; font-feature-settings: "liga" 0, "calt" 0;
  padding: 0.9em 1.1em; margin: 0.5em 0; white-space: pre; overflow-x: auto;
}
.term .dim { color: var(--term-dim); }
.term .hi { color: var(--term-hi); }
.term .ok { color: var(--term-ok); }

/* --- layout helpers --------------------------------------------------- */
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1em; align-items: start; }
.tight { font-size: 0.78em; }
.muted { color: var(--ink-soft); }
.center { text-align: center; }

.big-num {
  font-family: var(--mono); font-size: 1.5em; color: var(--accent);
  font-weight: 500; line-height: 1;
}

/* --- title slide ------------------------------------------------------ */
.title-slide h1 { font-size: 2.7em; margin-bottom: 0.2em; }
.title-slide .sub {
  font-size: 0.92em; color: var(--ink-soft); line-height: 1.5;
  max-width: 22em; margin-bottom: 1.2em;
}
.title-slide .meta {
  font-family: var(--mono); font-size: 0.5em; color: var(--ink-faint);
  letter-spacing: 0.08em; line-height: 2;
  border-top: 1px solid var(--rule); padding-top: 1em;
}
.title-slide .meta b { color: var(--ink); font-weight: 500; }

/* --- progress + controls --------------------------------------------- */
.reveal .progress { color: var(--accent); height: 4px; }
.reveal .controls { color: var(--ink-faint); }
.reveal .slide-number {
  font-family: var(--mono); font-size: 16px;
  background: transparent; color: var(--ink-faint);
}
.reveal .slide-number a { text-decoration: none; color: inherit; }

/* section divider slides */
section.divider { text-align: left; }
section.divider h2 { font-size: 2.3em; color: var(--accent); }
section.divider .rule { width: 4em; height: 5px; background: var(--accent); margin-bottom: 0.8em; }

/* ======================================================================
   Interactive widgets
   ====================================================================== */

.ix {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.75em 0.9em;
  font-size: 0.58em;
  line-height: 1.45;
}
.ix + .ix { margin-top: 0.5em; }

.ix-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1em; margin-bottom: 0.6em;
}
.ix-title {
  font-family: var(--mono); font-size: 0.78em; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--accent-text); font-weight: 700;
}
.ix-hint { font-size: 0.8em; color: var(--ink-faint); }

/* --- controls --------------------------------------------------------- */
.ix-controls { display: grid; gap: 0.55em; }
.ix-controls.two-up { grid-template-columns: 1fr 1fr; gap: 0.9em; }

.ix-ctl label {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--mono); font-size: 0.8em; color: var(--ink-soft);
  margin-bottom: 0.18em;
}
.ix-ctl label b { color: var(--accent-text); font-weight: 700; }

.ix input[type=range] {
  width: 100%; accent-color: var(--accent); height: 1.1em; margin: 0;
  cursor: pointer;
}
.ix input[type=text], .ix textarea {
  width: 100%; font-family: var(--mono); font-size: 0.95em;
  padding: 0.45em 0.6em; border: 1px solid var(--rule); border-radius: 4px;
  background: var(--paper); color: var(--ink); resize: vertical;
}
.ix input[type=text]:focus, .ix textarea:focus {
  outline: 2px solid var(--accent); outline-offset: -1px;
}

.ix-chips { display: flex; flex-wrap: wrap; gap: 0.3em; margin-top: 0.45em; }
.ix-chip {
  font-family: var(--mono); font-size: 0.78em; padding: 0.22em 0.6em;
  border: 1px solid var(--rule); border-radius: 999px; cursor: pointer;
  background: var(--paper); color: var(--ink-soft); transition: all .12s;
  user-select: none;
}
.ix-chip:hover { border-color: var(--accent); color: var(--accent); }
.ix-chip.on { background: var(--accent-text); border-color: var(--accent-text); color: var(--on-accent); }

/* --- stat strip -------------------------------------------------------- */
.ix-stats {
  display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  gap: 0.5em; margin-top: 0.65em; padding-top: 0.6em;
  border-top: 1px solid var(--rule);
}
.ix-stat .v {
  font-family: var(--mono); font-size: 1.35em; color: var(--accent-text);
  font-weight: 500; line-height: 1.1;
}
.ix-stat .k {
  font-family: var(--mono); font-size: 0.72em; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--ink-faint); margin-top: 0.15em;
}
.ix-stat.cool .v { color: var(--teal); }
.ix-stat.plain .v { color: var(--ink); }

/* --- chunk / result lists ---------------------------------------------- */
.ix-list {
  margin-top: 0.6em; max-height: 240px; overflow-y: auto;
  border: 1px solid var(--rule); border-radius: 4px; background: var(--paper);
}
.ix-row {
  padding: 0.4em 0.6em; border-bottom: 1px solid var(--rule);
  font-family: var(--mono); font-size: 0.8em; line-height: 1.4;
  display: flex; gap: 0.6em; align-items: flex-start;
}
.ix-row:last-child { border-bottom: none; }
.ix-row .idx { color: var(--ink-soft); flex: 0 0 2.2em; }
.ix-row .body { flex: 1; word-break: break-word; }
.ix-row .sc { flex: 0 0 3.2em; text-align: right; color: var(--ink-faint); }
.ix-row.hit { background: var(--accent-soft); }
.ix-row.hit .sc { color: var(--accent-ink); font-weight: 700; }
.ix-row mark { background: var(--teal-soft); color: var(--teal); border-radius: 2px; }

/* --- similarity bars ---------------------------------------------------- */
.ix-bars { margin-top: 0.55em; display: grid; gap: 0.22em; }
.ix-bar { display: flex; align-items: center; gap: 0.5em; font-family: var(--mono); font-size: 0.82em; }
.ix-bar .w { flex: 0 0 6em; color: var(--ink-soft); }
.ix-bar .track { display: block; flex: 1; height: 0.85em; background: var(--paper); border-radius: 2px; overflow: hidden; }
.ix-bar .fill { display: block; height: 100%; background: var(--ink-faint); }
.ix-bar .fill.animals { background: var(--accent); }
.ix-bar .fill.fruit   { background: var(--teal); }
.ix-bar .fill.drinks  { background: var(--violet); }
.ix-bar .n { flex: 0 0 3em; text-align: right; color: var(--ink-soft); }

/* --- scatter ------------------------------------------------------------ */
.ix-scatter { width: 100%; height: 190px; }
.ix-scatter .pt { cursor: pointer; }
.ix-scatter text { font-family: var(--mono); font-size: 9px; fill: var(--ink-soft); }
.ix-scatter text.on { fill: var(--accent); font-weight: 700; }

/* --- toggle ------------------------------------------------------------- */
.ix-toggle { display: flex; gap: 0.4em; }
.ix-toggle button {
  flex: 1; font-family: var(--mono); font-size: 0.82em; padding: 0.5em 0.7em;
  border: 1px solid var(--rule); border-radius: 4px; background: var(--paper);
  color: var(--ink-soft); cursor: pointer; transition: all .12s;
}
.ix-toggle button.on { border-color: var(--accent-text); background: var(--accent-text); color: var(--on-accent); font-weight: 700; }
.ix-toggle button.on.bad { border-color: #c0400f; background: #c0400f; }

.ix-note {
  margin-top: 0.55em; font-size: 0.82em; color: var(--ink-soft);
  border-left: 3px solid var(--rule); padding-left: 0.7em;
}
.ix-note b { color: var(--accent-text); }

.ix-prompt {
  margin-top: 0.6em; background: var(--term-bg); color: var(--term-fg); border-radius: 4px;
  padding: 0.6em 0.8em; font-family: var(--mono); font-size: 0.78em;
  line-height: 1.5; max-height: 180px; overflow-y: auto; white-space: pre-wrap;
  font-variant-ligatures: none;
}
.ix-prompt .lbl { color: var(--term-hi); }
.ix-prompt .q { color: var(--term-ok); }

/* ======================================================================
   Deck chrome: narration drawer + controls
   ====================================================================== */

.deck-bar {
  position: fixed; left: 14px; bottom: 12px; z-index: 60;
  display: flex; gap: 6px;
}
.deck-btn {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.05em;
  padding: 7px 12px; border-radius: 5px; cursor: pointer;
  border: 1px solid var(--rule); background: var(--card); color: var(--ink-soft);
  display: inline-flex; align-items: center; gap: 7px; line-height: 1;
  transition: border-color .12s, color .12s, background .12s;
}
.deck-btn b {
  font-weight: 700; color: var(--accent-text); border: 1px solid var(--rule);
  border-radius: 3px; padding: 2px 5px; font-size: 10px;
}
.deck-btn:hover { border-color: var(--accent); color: var(--ink); }
.deck-btn.on { background: var(--accent-text); border-color: var(--accent-text); color: var(--on-accent); }
.deck-btn.on b { color: var(--on-accent); border-color: currentColor; }

.deck-notes {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 55;
  height: 34vh; min-height: 220px;
  background: var(--card); border-top: 2px solid var(--accent);
  box-shadow: 0 -10px 34px var(--shadow);
  transform: translateY(101%); transition: transform .2s ease;
  display: flex; flex-direction: column;
}
body.notes-open .deck-notes { transform: translateY(0); }

/* give the slides the remaining space so nothing sits under the drawer */
.reveal { transition: height .2s ease; }
body.notes-open .reveal { height: 66vh !important; }
body.notes-open .deck-bar { bottom: calc(34vh + 12px); }
@media (max-height: 620px) {
  .deck-notes { height: 46vh; }
  body.notes-open .reveal { height: 54vh !important; }
  body.notes-open .deck-bar { bottom: calc(46vh + 10px); }
}

.deck-notes-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 20px 7px; border-bottom: 1px solid var(--rule); flex: 0 0 auto;
}
.deck-notes-title {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent-text); font-weight: 700;
}
.deck-notes-close {
  border: none; background: none; font-size: 22px; line-height: 1;
  color: var(--ink-faint); cursor: pointer; padding: 0 4px;
}
.deck-notes-close:hover { color: var(--accent); }

.deck-notes-body {
  flex: 1 1 auto; overflow-y: auto; padding: 12px 20px 20px;
  font-family: var(--body); font-size: 16px; line-height: 1.62; color: var(--ink);
  max-width: 78ch;
}
.deck-notes-body p { margin: 0 0 0.75em; }
.deck-notes-body p.deck-stage {
  font-family: var(--mono); font-size: 13px; color: var(--teal);
  background: var(--teal-soft); border-radius: 4px;
  padding: 6px 10px; display: inline-block; margin-bottom: 0.75em;
}
.deck-notes-body p.deck-none { color: var(--ink-faint); font-style: italic; }

/* --- pointer to the reading view on small screens ----------------------- */
.deck-nudge {
  position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 70;
  background: var(--term-bg); color: var(--term-fg); text-decoration: none;
  border-radius: 6px; padding: 12px 14px; text-align: center;
  font-family: var(--mono); font-size: 13px; line-height: 1.4;
  box-shadow: 0 6px 24px var(--shadow);
}
.deck-nudge b { color: var(--term-hi); font-weight: 700; }
@media (min-width: 821px) { .deck-nudge { display: none; } }

/* keyboard focus inside the deck and its widgets */
.reveal :focus-visible, .deck-btn:focus-visible, .ix :focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px;
}