/* Motor de slides — presentación en vivo por sesión.
   Tema oscuro fijo (independiente de light/dark del sitio) para que se
   sienta "modo presentación" y se distinga del documento del programa. */

:root{
  --slide-bg: #1a1d21;
  --slide-bg-grid: #202328;
  --slide-ink: #f2efe9;
  --slide-ink-soft: #b9b2a6;
  --slide-ink-faint: #726c62;
  --slide-accent: #6ba899;
  --slide-line: #34383d;
  --slide-card: #202429;
  --slide-card-line: #34383d;
}

html, body.deck-body{ height: 100%; }
body.deck-body{
  margin: 0;
  background:
    linear-gradient(var(--slide-bg-grid) 1px, transparent 1px) 0 0 / 100% 44px,
    linear-gradient(90deg, var(--slide-bg-grid) 1px, transparent 1px) 0 0 / 44px 100%,
    var(--slide-bg);
  color: var(--slide-ink);
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  overflow: hidden;
}

.deck-topbar{
  flex: 0 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--slide-line);
  font-family: "IBM Plex Mono", monospace;
}
.deck-topbar .back-link{
  color: var(--slide-ink-faint);
  text-decoration: none;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.deck-topbar .back-link:hover{ color: var(--slide-accent); }
.deck-topbar .deck-title{
  color: var(--slide-ink-faint);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.deck{
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
}
.slide{
  display: none;
  position: absolute;
  inset: 0;
  overflow-y: auto;
  padding: 64px 72px 48px;
}
.slide.active{ display: block; }
.slide-inner{ max-width: 760px; }
.slide-inner.wide{ max-width: 920px; }

.slide .kicker{
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 11.5px;
  color: var(--slide-ink-faint);
  letter-spacing: 0.05em;
}
.slide .eyebrow{
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slide-accent);
  margin: 0 0 18px;
}
.slide h2.title{
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.08;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}
.slide h2.title .accent{ color: var(--slide-accent); }
.slide h3.subtitle{
  font-family: "Archivo", sans-serif;
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 28px);
  margin: 0 0 18px;
}
.slide .lede{
  font-size: 17px;
  color: var(--slide-ink-soft);
  max-width: 60ch;
  margin: 0 0 20px;
}
.slide p{ color: var(--slide-ink-soft); font-size: 15.5px; }
.slide strong{ color: var(--slide-ink); }
.slide ul{ padding-left: 20px; }
.slide li{ color: var(--slide-ink-soft); font-size: 15.5px; margin-bottom: 8px; }
.slide li strong{ color: var(--slide-ink); }

.tags{ display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tag{
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--slide-ink-soft);
  border: 1px solid var(--slide-card-line);
  padding: 6px 12px;
  border-radius: 6px;
}

.agenda-list{ list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.agenda-list li{
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border: 1px solid var(--slide-card-line);
  background: var(--slide-card);
  border-radius: 10px;
  padding: 14px 18px;
}
.agenda-num{
  font-family: "IBM Plex Mono", monospace;
  color: var(--slide-accent);
  font-weight: 700;
  flex-shrink: 0;
  width: 22px;
}
.agenda-body > strong:first-child{ display: block; color: var(--slide-ink); font-size: 15px; margin-bottom: 3px; }
.agenda-body .ui-label{
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  background: var(--slide-bg-grid);
  border: 1px solid var(--slide-card-line);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--slide-ink);
}
.agenda-time{
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px;
  color: var(--slide-ink-faint);
  white-space: nowrap;
  margin-left: auto;
  padding-top: 2px;
}

.cards-row{ display: grid; gap: 14px; margin-top: 8px; }
@media (min-width: 720px){
  .cards-row.cols-3{ grid-template-columns: repeat(3, 1fr); }
}
.mini-card{
  border: 1px solid var(--slide-card-line);
  background: var(--slide-card);
  border-radius: 10px;
  padding: 18px 18px;
}
.mini-card .mini-eyebrow{
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slide-ink-faint);
  margin-bottom: 8px;
}
.mini-card h4{
  font-family: "Archivo", sans-serif;
  font-size: 19px;
  margin: 0 0 10px;
  color: var(--slide-ink);
}
.mini-card p{ font-size: 14px; margin: 0; }

.prereq-list{ list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 14px; }
.prereq-list li{
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border: 1px solid var(--slide-card-line);
  background: var(--slide-card);
  border-radius: 10px;
  padding: 14px 18px;
}
.prereq-list .check{
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 2px solid var(--slide-accent);
  border-radius: 6px;
}
.prereq-list li strong{ display: block; color: var(--slide-ink); font-size: 15px; margin-bottom: 3px; }
.prereq-list li span{ color: var(--slide-ink-soft); font-size: 14px; }
.prereq-list li a{ color: var(--slide-accent); }

.discussion{
  margin-top: 22px;
  border-left: 3px solid var(--slide-accent);
  padding: 4px 0 4px 16px;
}
.discussion .lbl{
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slide-accent);
  display: block;
  margin-bottom: 6px;
}
.discussion p{ margin: 0; font-style: italic; color: var(--slide-ink-soft); }

.diagram-box{
  background: var(--slide-card);
  border: 1px solid var(--slide-card-line);
  border-radius: 10px;
  padding: 18px 20px;
  margin-top: 16px;
}
.diagram-box pre{
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--slide-ink);
  white-space: pre;
  overflow-x: auto;
}
.diagram-caption{
  font-size: 13px;
  color: var(--slide-ink-faint);
  margin-top: 10px;
}

.token-demo{
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 18px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 14.5px;
}
.token-demo .box{
  border: 1px solid var(--slide-card-line);
  background: var(--slide-card);
  border-radius: 8px;
  padding: 10px 14px;
}
.token-demo .arrow{ color: var(--slide-accent); font-size: 18px; }
.token-demo .out{ color: var(--slide-accent); font-weight: 700; }

.copy-block{
  margin-top: 16px;
  background: var(--slide-card);
  border: 1px solid var(--slide-card-line);
  border-radius: 10px;
  overflow: hidden;
}
.copy-block .copy-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--slide-card-line);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--slide-ink-faint);
}
.copy-btn{
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--slide-card-line);
  color: var(--slide-ink-soft);
  padding: 5px 11px;
  border-radius: 999px;
  cursor: pointer;
}
.copy-btn:hover{ border-color: var(--slide-accent); color: var(--slide-accent); }
.copy-btn.copied{ border-color: var(--slide-accent); color: var(--slide-accent); }
.copy-block pre{
  margin: 0;
  padding: 16px 18px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--slide-ink);
  white-space: pre-wrap;
}

.pass-fail{ display: grid; gap: 14px; margin-top: 16px; }
@media (min-width: 640px){ .pass-fail{ grid-template-columns: 1fr 1fr; } }
.pf-box{ border-radius: 10px; padding: 16px 18px; border: 1px solid var(--slide-card-line); background: var(--slide-card); }
.pf-box .lbl{ font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; display: block; margin-bottom: 8px; }
.pf-box.pass .lbl{ color: var(--slide-accent); }
.pf-box.fail .lbl{ color: var(--slide-ink-faint); }
.pf-box p{ margin: 0; font-size: 14px; }

.outcome-box{
  margin-top: 20px;
  background: var(--slide-card);
  border: 1px solid var(--slide-card-line);
  border-left: 3px solid var(--slide-accent);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 14.5px;
  color: var(--slide-ink-soft);
}
.outcome-box strong{ color: var(--slide-ink); }

.wip-note{
  margin-top: 18px;
  font-size: 14.5px;
  color: var(--slide-ink-faint);
  font-style: italic;
}

.deck-controls{
  flex: 0 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border-top: 1px solid var(--slide-line);
}
.nav-btn{
  background: transparent;
  border: none;
  color: var(--slide-ink-soft);
  font-size: 18px;
  cursor: pointer;
  padding: 6px 10px;
  line-height: 1;
}
.nav-btn:hover{ color: var(--slide-accent); }
.nav-btn:disabled{ color: var(--slide-line); cursor: default; }
.dots{ display: flex; gap: 6px; }
.dot{
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--slide-line);
  cursor: pointer;
  border: none;
  padding: 0;
}
.dot.active{ background: var(--slide-accent); }
.counter{
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  color: var(--slide-ink-faint);
  min-width: 52px;
  text-align: center;
}

@media (max-width: 680px){
  .slide{ padding: 48px 22px 32px; }
  .slide .kicker{ top: 16px; right: 20px; }
}