:root {
  --bg: #f4f7f3;
  --bg-dark: #f4f7f3;
  /* fondo del sitio del laboratorio: verde 08784d + cian 007a9f sobre --bg */
  --bg-wash:
    linear-gradient(180deg, rgba(8, 120, 77, 0.12), transparent 560px),
    linear-gradient(135deg, rgba(0, 122, 159, 0.08), transparent 460px);
  --black: #06080f;
  --ink: #06080f;
  --figure-bg: #ffffff;
  --fg: #1b2029;
  --subtext1: #454f61;
  --subtext: #5b6472;
  --subtext3: #5b6472;
  --subtext4: #5b6472;
  --gray0: #ffffff;
  --gray1: #ffffff;
  --gray2: #e7ebf2;
  --gray3: #dbe0ea;
  --line: #dde2ec;
  --line-strong: #8394A3;
  --surface: #ffffff;
  --surface-2: #e7ebf2;
  --red: #cb7c94;
  --green: #b7cc85;
  --yellow: #dfbd76;
  --purple: #a3b5d6;
  --magenta: #ff8dd7;
  --orange: #deba87;
  --blue: #7fb4ca;
  --cyan: #7aa89f;
  --accent: #8a5a00;
  --selection: #dbe7ff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--fg);
  background: var(--bg-wash), var(--bg);
  overflow: hidden;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: var(--bg-wash), var(--bg);
}

.deck-app {
  --tone: var(--blue);
  --tone-glow: rgba(146, 162, 213, 0.24);
  --mode-bg: var(--blue);
  --mode-fg: var(--ink);
  position: relative;
  z-index: 1;
  height: 100dvh;
  max-height: 100dvh;
  padding: clamp(8px, 1vw, 14px);
  padding-left: max(clamp(8px, 1vw, 14px), env(safe-area-inset-left));
  padding-right: max(clamp(8px, 1vw, 14px), env(safe-area-inset-right));
  padding-bottom: max(clamp(8px, 1vw, 14px), env(safe-area-inset-bottom));
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: minmax(0, 1fr);
  overflow: hidden;
  gap: 8px;
}

.eyebrow {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--subtext);
  font-size: 0.78rem;
}

.controls-logo {
  height: clamp(29px, 3.1vw, 39px);
  width: auto;
  flex: 0 0 auto;
  object-fit: contain;
  margin-right: 4px;
}

.controls-logo-unal {
  height: clamp(31px, 3.4vw, 42px);
}

#counter {
  font-weight: 700;
  font-size: 0.68rem;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  min-width: 44px;
  text-align: center;
}

.stage-layout {
  min-height: 0;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  overflow: hidden;
}

.rail {
  width: 100%;
  min-width: 0;
  max-height: 10dvh;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--gray0);
  padding: 6px 8px;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  min-height: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  box-shadow:
    0 20px 40px rgba(30, 41, 59, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.rail-module {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  padding: 3px 6px 3px 3px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.rail-module.is-active-module {
  border-color: var(--mode-bg);
  background: var(--selection);
}

.rail-module.is-active-module > .rail-title {
  color: var(--fg);
}

.rail-title {
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--subtext);
  text-align: left;
  padding: 4px 6px;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.15;
  white-space: nowrap;
  cursor: pointer;
  transition: 200ms ease;
}

.rail-title:hover {
  color: var(--fg);
}

.rail-module.is-pending > .rail-title {
  color: var(--subtext);
  opacity: 0.55;
  cursor: default;
  border: 1px dashed var(--line-strong);
}

.rail-module.is-pending > .rail-title:hover {
  color: var(--subtext);
}

.rail-dots {
  display: flex;
  gap: 4px;
  padding: 0;
  flex-wrap: nowrap;
}

.rail-pip {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  padding: 0;
  cursor: pointer;
  transition: 180ms ease;
}

.rail-pip:hover {
  border-color: var(--subtext1);
}

.rail-pip.is-active {
  background: var(--mode-bg);
  border-color: var(--mode-bg);
}

.viewport {
  position: relative;
  min-height: 0;
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: var(--gray0);
  overflow: hidden;
  box-shadow:
    0 26px 56px rgba(30, 41, 59, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    0 0 38px var(--tone-glow);
}

.viewport::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 40px rgba(30, 41, 59, 0.06);
}

.slide {
  position: absolute;
  inset: 0;
  min-height: 0;
  min-width: 0;
  padding: clamp(10px, 1.6vw, 18px);
  display: grid;
  grid-template-columns: minmax(280px, 36%) minmax(0, 1fr);
  gap: clamp(10px, 1.4vw, 16px);
  align-items: stretch;
  opacity: 0;
  transform: translateX(0);
  pointer-events: none;
  visibility: hidden;
  contain: layout paint style;
  z-index: 1;
}

.slide.is-active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  visibility: visible;
  z-index: 3;
}

/* Solo los dos slides en transicion piden capa propia. */
.slide.is-entering,
.slide.is-leaving {
  visibility: visible;
  will-change: transform, opacity;
}

.slide.is-entering,
.slide.is-leaving {
  pointer-events: none;
}

.slide.is-entering.from-next {
  animation: slide-enter-from-right 420ms cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.slide.is-entering.from-prev {
  animation: slide-enter-from-left 420ms cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.slide.is-leaving.to-next {
  z-index: 2;
  animation: slide-leave-to-left 300ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

.slide.is-leaving.to-prev {
  z-index: 2;
  animation: slide-leave-to-right 300ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes slide-enter-from-right {
  from {
    opacity: 0;
    transform: translateX(28px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slide-enter-from-left {
  from {
    opacity: 0;
    transform: translateX(-28px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slide-leave-to-left {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-14px);
  }
}

@keyframes slide-leave-to-right {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(14px);
  }
}

.slide.is-cover {
  grid-template-columns: 1fr;
  place-items: center;
  text-align: center;
}

.cover-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 1.8vh, 22px);
  max-width: min(900px, 92%);
  min-height: 0;
}

.cover-project {
  margin: 0;
  font-family: "Source Serif 4", serif;
  font-size: clamp(1.9rem, 4.2vh, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.cover-logo {
  height: clamp(120px, 30vh, 300px);
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.cover-meta {
  display: flex;
  flex-direction: column;
  gap: clamp(2px, 0.6vh, 7px);
  margin: 0;
  font-size: clamp(0.95rem, 1.9vh, 1.2rem);
  line-height: 1.35;
  color: var(--subtext1);
}

.cover-author {
  font-weight: 700;
  color: var(--fg);
}

.cover-year {
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.slide-content {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(16px, 2vw, 24px);
  background: var(--gray1);
  box-shadow:
    0 16px 34px rgba(30, 41, 59, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  min-height: 0;
  min-width: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

.slide-kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
}

h2 {
  margin: 0 0 12px;
  font-family: "Source Serif 4", serif;
  font-size: clamp(1.5rem, 2.1vw, 2.15rem);
  line-height: 1.2;
}

p {
  margin: 0;
  color: var(--subtext1);
  font-size: 1.08rem;
  line-height: 1.65;
}

.slide-list {
  margin: 0;
  padding-left: 1.15em;
  color: var(--subtext1);
  font-size: 1.02rem;
  line-height: 1.5;
}

.slide-list li {
  margin-bottom: 0.55em;
}

.slide-list li:last-child {
  margin-bottom: 0;
}

.slide-list li::marker {
  color: var(--accent);
}

.slide-list strong {
  color: var(--fg);
  font-weight: 600;
}

.slide-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 10px;
  background: var(--gray0);
  box-shadow:
    0 22px 42px rgba(30, 41, 59, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

.slide-figure img,
.slide-figure svg {
  width: 100%;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 12px;
  background: var(--figure-bg);
  display: block;
}

.deck-controls {
  display: flex;
  min-width: 0;
  justify-content: flex-end;
  align-items: center;
  gap: 6px;
}

.running-title {
  margin: 0 auto 0 0;
  min-width: 0;
  font-size: 0.88rem;
  line-height: 1.2;
  color: var(--subtext);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.deck-controls button {
  border-radius: 7px;
  border: 1px solid var(--line-strong);
  padding: 5px 9px;
  font-family: inherit;
  line-height: 0;
  color: var(--fg);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.deck-controls button svg {
  width: 17px;
  height: 17px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ghost {
  background: var(--gray1);
}

.solid {
  background: var(--mode-bg);
  color: var(--mode-fg);
}

.deck-controls button:hover {
  transform: translateY(-1px);
}

.deck-controls button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  transform: none;
}

.deck-app.tone-blue { --tone: var(--blue); --tone-glow: rgba(127, 180, 202, 0.24); }
.deck-app.tone-yellow { --tone: var(--yellow); --tone-glow: rgba(255, 224, 102, 0.22); }
.deck-app.tone-green { --tone: var(--green); --tone-glow: rgba(183, 204, 133, 0.22); }
.deck-app.tone-purple { --tone: var(--purple); --tone-glow: rgba(163, 181, 214, 0.24); }
.deck-app.tone-cyan { --tone: var(--cyan); --tone-glow: rgba(122, 168, 159, 0.24); }
.deck-app.tone-magenta { --tone: var(--magenta); --tone-glow: rgba(255, 141, 215, 0.24); }
.deck-app.tone-orange { --tone: var(--orange); --tone-glow: rgba(222, 186, 135, 0.22); }
.deck-app.tone-red { --tone: var(--red); --tone-glow: rgba(203, 124, 148, 0.24); }

.deck-app.mode-normal { --mode-bg: var(--blue); --mode-fg: var(--ink); }
.deck-app.mode-command { --mode-bg: var(--accent); --mode-fg: var(--ink); }
.deck-app.mode-insert { --mode-bg: var(--green); --mode-fg: var(--ink); }
.deck-app.mode-visual { --mode-bg: var(--magenta); --mode-fg: var(--ink); }
.deck-app.mode-terminal { --mode-bg: var(--cyan); --mode-fg: var(--ink); }
.deck-app.mode-replace { --mode-bg: var(--orange); --mode-fg: var(--ink); }
.deck-app.mode-inactive { --mode-bg: var(--line-strong); --mode-fg: var(--ink); }

body.focus-mode .rail {
  display: none;
}

/* ---------- Portátiles y tablets en horizontal ---------- */
@media (max-width: 1040px) {
  .deck-app {
    height: 100dvh;
    max-height: 100dvh;
    padding: 10px;
    gap: 8px;
  }

  .stage-layout {
    gap: 8px;
  }

  .rail {
    padding: 5px 6px;
  }

  .rail-title {
    font-size: 0.76rem;
  }

  .slide.is-entering,
  .slide.is-leaving {
    animation: none;
  }

  .slide {
    padding: 14px;
    grid-template-columns: minmax(220px, 40%) minmax(0, 1fr);
    gap: 12px;
  }

  h2 {
    font-size: 1.35rem;
  }

  p,
  .slide-list {
    font-size: 0.98rem;
    line-height: 1.5;
  }
}

/* ---------- Pantalla alta o angosta: una sola columna ---------- */
@media (max-aspect-ratio: 1 / 1) and (max-width: 1000px), (max-width: 560px) {
  .slide {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto;
    align-items: start;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .slide.is-cover {
    grid-template-rows: 1fr;
    align-items: center;
    overflow-y: hidden;
  }

  /* En columna manda el scroll del slide completo, no el de la tarjeta */
  .slide-content {
    min-height: auto;
    overflow-y: visible;
  }

  .slide-figure {
    min-height: auto;
  }

  .slide-figure img,
  .slide-figure svg {
    height: auto;
    max-height: none;
    aspect-ratio: 520 / 360;
  }
}

/* ---------- Sin espacio para el running title ---------- */
@media (max-width: 760px) {
  .running-title {
    display: none;
  }

  .deck-controls {
    gap: 5px;
  }
}

/* ---------- Móvil ---------- */
@media (max-width: 560px) {
  .deck-app {
    padding: 8px;
    gap: 6px;
  }

  .rail {
    max-height: clamp(38px, 11dvh, 58px);
    padding: 4px 6px;
    gap: 4px;
  }

  .rail-title {
    font-size: 0.72rem;
    padding: 3px 5px;
  }

  .slide {
    padding: 10px;
    gap: 10px;
  }

  .slide-content {
    padding: 14px;
  }

  h2 {
    font-size: 1.18rem;
    margin-bottom: 10px;
  }

  p,
  .slide-list {
    font-size: 0.94rem;
    line-height: 1.45;
  }

  .slide-kicker {
    font-size: 0.7rem;
    margin-bottom: 8px;
  }

  .controls-logo {
    height: 24px;
    margin-right: 2px;
  }

  .controls-logo-unal {
    height: 26px;
  }

  .deck-controls button {
    padding: 7px 11px;
  }

  .deck-controls button svg {
    width: 16px;
    height: 16px;
  }

  #counter {
    font-size: 0.66rem;
    min-width: 40px;
  }

  .cover-project {
    font-size: clamp(1.3rem, 6vw, 1.9rem);
  }

  .cover-logo {
    height: clamp(90px, 22vh, 170px);
  }

  .cover-meta {
    font-size: 0.86rem;
  }
}

/* ---------- Móvil en horizontal: muy poca altura ---------- */
@media (max-height: 560px) and (orientation: landscape) {
  .running-title {
    display: none;
  }
}

@media (max-height: 520px) and (orientation: landscape) {
  .deck-app {
    padding: 6px;
    gap: 6px;
  }

  .rail {
    max-height: 26dvh;
    padding: 3px 6px;
  }

  .rail-title {
    font-size: 0.7rem;
    padding: 2px 5px;
  }

  .slide {
    padding: 10px;
    gap: 10px;
  }

  .slide-content {
    padding: 10px 12px;
  }

  h2 {
    font-size: 1.05rem;
    margin-bottom: 6px;
  }

  p,
  .slide-list {
    font-size: 0.82rem;
    line-height: 1.35;
  }

  .slide-list li {
    margin-bottom: 0.35em;
  }

  .controls-logo {
    height: 20px;
  }

  .controls-logo-unal {
    height: 22px;
  }

  .deck-controls button {
    padding: 4px 8px;
  }

  .deck-controls button svg {
    width: 15px;
    height: 15px;
  }

  .cover-logo {
    height: clamp(70px, 26vh, 130px);
  }
}

/* ---------- Pantallas muy grandes ---------- */
@media (min-width: 1900px) {
  .slide {
    padding: clamp(18px, 1.4vw, 30px);
  }

  h2 {
    font-size: clamp(2.15rem, 1.6vw, 2.8rem);
  }

  .slide-kicker {
    font-size: 0.92rem;
  }

  p,
  .slide-list {
    font-size: 1.22rem;
  }

  .slide-list {
    line-height: 1.6;
  }
}

@media (prefers-reduced-motion: reduce) {
  .slide.is-entering,
  .slide.is-leaving {
    animation: none;
    transition: none;
  }
}

/* --- Citas APA en slides --- */
cite {
  font-style: normal;
  font-size: 0.82em;
  color: var(--subtext);
  white-space: nowrap;
  opacity: 0.85;
}

.slide-references {
  font-size: 0.78rem;
  line-height: 1.45;
  list-style: none;
  padding-left: 0;
}

.slide-references li {
  margin-bottom: 0.7em;
  padding-left: 1.4em;
  text-indent: -1.4em; /* sangría francesa APA */
}

.slide-references a {
  color: var(--accent);
  word-break: break-word;
}

/* Slides sin figura ocupan el ancho completo (p. ej. Referencias) */
.slide.is-wide {
  grid-template-columns: minmax(0, 1fr);
}

.slide.is-wide .slide-references {
  columns: 1; /* nunca partir en columnas */
}