/*
 * Seminario Taller de Integración II – UAI
 * Paleta: bordo UAI (#8B1A2B), crema (#FDF6EE), arena (#D4A574)
 * Tipografía: Lora (serif, headings) + Nunito Sans (sans-serif, body)
 */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Nunito+Sans:ital,opsz,wght@0,6..12,300;0,6..12,400;0,6..12,600;0,6..12,700;1,6..12,400&display=swap');

:root {
  --uai-bordo: #8B1A2B;
  --uai-bordo-dark: #6B1420;
  --uai-bordo-light: #A82040;
  --uai-crema: #FDF6EE;
  --uai-arena: #D4A574;
  --uai-arena-light: #E8D5B8;
  --uai-gris: #5C5C5C;
  --uai-gris-claro: #9A9590;
  --uai-texto: #2D2D2D;
}

/* === BASE === */
.reveal {
  font-family: 'Nunito Sans', sans-serif;
  font-size: 24px;
  color: var(--uai-texto);
}

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

.reveal .slides section {
  padding: 40px 60px;
}

/* === HEADINGS === */
.reveal h1, .reveal h2, .reveal h3, .reveal h4 {
  font-family: 'Lora', serif;
  color: var(--uai-bordo);
  text-transform: none;
  letter-spacing: -0.01em;
}

.reveal h2 {
  font-size: 1.6em;
  font-weight: 600;
  margin-bottom: 0.6em;
  padding-bottom: 0.3em;
  border-bottom: 3px solid var(--uai-arena);
}

.reveal h3 {
  font-size: 1.2em;
  font-weight: 600;
  color: var(--uai-bordo);
  margin-bottom: 0.4em;
}

/* === TEXT === */
.reveal p {
  line-height: 1.6;
  margin-bottom: 0.6em;
}

.reveal ul, .reveal ol {
  margin-left: 0.5em;
}

.reveal li {
  margin-bottom: 0.4em;
  line-height: 1.5;
}

.reveal strong {
  color: var(--uai-bordo);
  font-weight: 700;
}

/* === ACCENT CLASS === */
.reveal .accent {
  color: var(--uai-bordo);
  font-weight: 600;
}

.reveal .accent-arena {
  color: #996B2F;
  font-weight: 600;
}

.reveal .highlight-box {
  background: var(--uai-crema);
  border-left: 4px solid var(--uai-bordo);
  padding: 0.8em 1.2em;
  margin: 0.8em 0;
  border-radius: 0 4px 4px 0;
  font-size: 0.9em;
}

.reveal .example-box {
  background: #FFF9F0;
  border: 1px solid var(--uai-arena-light);
  border-left: 4px solid var(--uai-arena);
  padding: 0.8em 1.2em;
  margin: 0.8em 0;
  border-radius: 0 4px 4px 0;
  font-size: 0.85em;
}

.reveal .warning-box {
  background: #FFF5F5;
  border-left: 4px solid var(--uai-bordo-light);
  padding: 0.8em 1.2em;
  margin: 0.8em 0;
  border-radius: 0 4px 4px 0;
  font-size: 0.85em;
}

/* === PORTADA CUSTOM === */
.portada-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  height: 100%;
  padding: 0 80px;
  position: relative;
}

.portada-container::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 100%;
  background: linear-gradient(180deg, var(--uai-bordo) 0%, var(--uai-bordo-dark) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
}

.portada-container::after {
  content: '';
  position: absolute;
  bottom: 60px;
  left: 80px;
  width: 120px;
  height: 3px;
  background: var(--uai-arena);
}

.portada-materia {
  font-family: 'Nunito Sans', sans-serif;
  font-size: 0.55em;
  font-weight: 600;
  color: var(--uai-bordo);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.3em;
}

.portada-titulo {
  font-family: 'Lora', serif;
  font-size: 1.8em;
  font-weight: 700;
  color: var(--uai-texto);
  line-height: 1.15;
  margin-bottom: 0.15em;
  max-width: 75%;
}

.portada-subtitulo {
  font-family: 'Lora', serif;
  font-size: 0.85em;
  font-weight: 400;
  font-style: italic;
  color: var(--uai-gris);
  margin-bottom: 1.5em;
}

.portada-autor {
  font-family: 'Lora', serif;
  font-size: 1em;
  color: var(--uai-gris);
  line-height: 1.6;
}

.portada-autor strong {
  color: var(--uai-texto);
  font-weight: 600;
}

/* === SLIDE DE TRANSICIÓN === */
.transition-slide {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  height: 100%;
  padding: 0 80px;
}

.transition-slide .section-label {
  font-family: 'Nunito Sans', sans-serif;
  font-size: 0.5em;
  font-weight: 600;
  color: var(--uai-arena);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.5em;
}

.transition-slide .section-title {
  font-family: 'Lora', serif;
  font-size: 1.8em;
  font-weight: 700;
  color: var(--uai-bordo);
  border-left: 4px solid var(--uai-arena);
  padding-left: 0.6em;
  line-height: 1.2;
}

/* === TABLAS === */
.reveal table {
  font-size: 0.75em;
  border-collapse: collapse;
  width: 100%;
  margin: 0.8em 0;
}

.reveal table thead th {
  background: var(--uai-bordo);
  color: white;
  font-family: 'Nunito Sans', sans-serif;
  font-weight: 600;
  padding: 0.6em 0.8em;
  text-align: left;
  border: none;
}

.reveal table tbody td {
  padding: 0.5em 0.8em;
  border-bottom: 1px solid var(--uai-arena-light);
}

.reveal table tbody tr:nth-child(even) {
  background: rgba(253, 246, 238, 0.5);
}

/* === COLUMNS === */
.reveal .columns {
  display: flex;
  gap: 2em;
}

.reveal .column {
  flex: 1;
}

/* === FOOTER === */
.reveal .footer {
  font-family: 'Nunito Sans', sans-serif;
  font-size: 0.45em;
  color: var(--uai-gris-claro);
}

/* === SLIDE DE CIERRE === */
.cierre-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  text-align: center;
}

.cierre-container h2 {
  font-family: 'Lora', serif;
  font-size: 2em;
  color: white;
  border: none;
  padding: 0;
}

.cierre-container p {
  font-family: 'Nunito Sans', sans-serif;
  font-size: 0.55em;
  color: var(--uai-arena-light);
  margin-top: 0.5em;
}

/* === MERMAID SCALING === */
.reveal .mermaid {
  transform: scale(1.2);
  transform-origin: center center;
}

/* === REFERENCIAS === */
.reveal .ref {
  font-size: 0.6em;
  color: var(--uai-gris-claro);
  font-style: italic;
  margin-top: 1.5em;
  border-top: 1px solid var(--uai-arena-light);
  padding-top: 0.5em;
}

/* === FRAGMENT TWEAKS === */
.reveal .fragment.fade-in-then-semi-out.visible:not(.current-fragment) {
  opacity: 0.4;
}

/* === IMAGES === */
.reveal img {
  max-height: 500px;
  border-radius: 4px;
}

.reveal .img-center {
  display: flex;
  justify-content: center;
}