/* Colorama Academia · hoja de estilo compartida por el aula y los paneles.
   Fuente editable: web/src/estilos.css → se copia a web/public/estilos.css. */
:root {
  --rosa: #FFADC4;
  --coral: #F38F9D;
  --baya: #B0305C;
  --sobre-baya: #FFFFFF;
  --tinta: #2B1720;
  --suave: #76596A;
  --fondo: #FFF6F8;
  --papel: #FFFFFF;
  --linea: #F1DDE4;
  --linea-fuerte: #E6C6D2;
  --rosa-velo: #FFE8EF;
  --nota: #FFE1EA;
  --banda: #FFADC4;
  --banda-tinta: #5A1F36;
  --banda-barra-fondo: rgba(255, 255, 255, 0.5);
  --banda-barra: #FFFFFF;
  --estuche: #FFADC4;
  --hueco: rgba(255, 255, 255, 0.55);
  --hueco-tinta: #A2385F;
  --ok: #1F7A5A;
  --ok-velo: #E1F3EA;
  --mejorar: #9A5A0B;
  --mejorar-velo: #FBEBD3;
  --nv: #6C6270;
  --nv-velo: #EEE8EC;
  --mal: #B3261E;
  --mal-velo: #FBE2E0;
  --sombra: 0 1px 2px rgba(43, 23, 32, 0.05), 0 12px 32px -12px rgba(176, 48, 92, 0.22);
  --display: "Shrikhand", "Georgia", serif;
  --texto: "Figtree", "Segoe UI", system-ui, sans-serif;
  --mano: "Gochi Hand", "Comic Sans MS", cursive;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --baya: #FF8DB0;
    --sobre-baya: #2B1720;
    --tinta: #FBEFF3;
    --suave: #C8A8B6;
    --fondo: #170D12;
    --papel: #22141C;
    --linea: #3A2431;
    --linea-fuerte: #553545;
    --rosa-velo: #3A1E2C;
    --nota: #3F2433;
    --banda: #2E1823;
    --banda-tinta: #FFD3E0;
    --banda-barra-fondo: rgba(255, 173, 196, 0.2);
    --banda-barra: #FFADC4;
    --estuche: #3A1E2C;
    --hueco: rgba(255, 255, 255, 0.08);
    --hueco-tinta: #E7B8C8;
    --ok: #74D6AC;
    --ok-velo: #12342A;
    --mejorar: #F2B25C;
    --mejorar-velo: #3A2A12;
    --nv: #B9ABB6;
    --nv-velo: #2E2430;
    --mal: #FF8A80;
    --mal-velo: #3B1716;
    --sombra: 0 1px 2px rgba(0, 0, 0, 0.3), 0 16px 36px -14px rgba(0, 0, 0, 0.6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --baya: #FF8DB0;
  --sobre-baya: #2B1720;
  --tinta: #FBEFF3;
  --suave: #C8A8B6;
  --fondo: #170D12;
  --papel: #22141C;
  --linea: #3A2431;
  --linea-fuerte: #553545;
  --rosa-velo: #3A1E2C;
  --nota: #3F2433;
  --banda: #2E1823;
  --banda-tinta: #FFD3E0;
  --banda-barra-fondo: rgba(255, 173, 196, 0.2);
  --banda-barra: #FFADC4;
  --estuche: #3A1E2C;
  --hueco: rgba(255, 255, 255, 0.08);
  --hueco-tinta: #E7B8C8;
  --ok: #74D6AC;
  --ok-velo: #12342A;
  --mejorar: #F2B25C;
  --mejorar-velo: #3A2A12;
  --nv: #B9ABB6;
  --nv-velo: #2E2430;
  --mal: #FF8A80;
  --mal-velo: #3B1716;
  --sombra: 0 1px 2px rgba(0, 0, 0, 0.3), 0 16px 36px -14px rgba(0, 0, 0, 0.6);
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--tinta);
  font-family: var(--texto);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 2px; }
[hidden] { display: none !important; }
h1, h2, h3, h4 { margin: 0; text-wrap: balance; }
p { margin: 0; }
.eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--suave);
}
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Banda superior ---------- */
.banda { background: var(--banda); color: var(--banda-tinta); padding-inline: 20px; }
.banda-in {
  max-width: 1280px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 20px 32px;
  padding-block: 12px;
  flex-wrap: wrap;
}
.marca { display: flex; align-items: flex-end; gap: 8px; text-decoration: none; color: inherit; }
.marca img { height: 46px; width: auto; display: block; }
.marca-sub { font-family: var(--mano); font-size: 1.35rem; line-height: 1; color: var(--banda-tinta); padding-bottom: 2px; }
.miga { display: flex; align-items: center; gap: 6px; font-weight: 600; font-size: 0.9rem; }
.miga svg { width: 16px; height: 16px; opacity: 0.7; }
.avance-global { margin-left: auto; min-width: min(260px, 100%); display: grid; gap: 6px; }
.ag-txt { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 0.85rem; font-weight: 600; }
.ag-txt strong { font-family: var(--display); font-weight: 400; font-size: 1.5rem; line-height: 1; font-variant-numeric: tabular-nums; }
.banda .barra { background: var(--banda-barra-fondo); }
.banda .barra i { background: var(--banda-barra); }

.aviso-demo {
  max-width: 1280px;
  margin: 12px auto 0;
  padding-inline: 20px;
  font-size: 0.82rem;
  color: var(--suave);
  display: flex;
  gap: 8px 16px;
  flex-wrap: wrap;
  align-items: center;
}
.aviso-demo .etiqueta {
  font-weight: 700;
  color: var(--baya);
  background: var(--rosa-velo);
  padding: 2px 10px;
  border-radius: 999px;
}

.tema {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 0;
  background: var(--banda-barra-fondo);
  color: var(--banda-tinta);
  display: grid;
  place-items: center;
  flex: none;
}
.tema:hover { filter: brightness(1.08); }
.tema svg { width: 20px; height: 20px; }

/* ---------- Estructura ---------- */
.contenedor { max-width: 1280px; margin-inline: auto; padding: 8px 20px 64px; display: grid; gap: 28px; }

.barra { height: 8px; border-radius: 999px; background: var(--rosa-velo); overflow: hidden; }
.barra i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--coral), var(--baya));
  transition: width 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.barra.fina { height: 5px; }

/* ---------- Curso ---------- */
.curso-cab { display: flex; align-items: baseline; justify-content: space-between; gap: 12px 20px; flex-wrap: wrap; margin-bottom: 10px; }
.curso-cab h2 { font-family: var(--display); font-weight: 400; font-size: 1.25rem; }
.curso-cab span { font-size: 0.85rem; color: var(--suave); font-weight: 600; }
.curso-lista {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.curso-item {
  width: 100%;
  height: 100%;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  text-align: left;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--linea);
  background: transparent;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.curso-item:hover { border-color: var(--linea-fuerte); background: var(--papel); }
.curso-item.actual { background: var(--papel); border-color: var(--baya); box-shadow: var(--sombra); }
.ci-orden {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.85rem;
  background: var(--rosa-velo);
  color: var(--baya);
}
.ci-orden svg { width: 17px; height: 17px; }
.curso-item.completa .ci-orden { background: var(--ok-velo); color: var(--ok); }
.curso-item.actual .ci-orden { background: var(--baya); color: var(--sobre-baya); }
.ci-texto { display: grid; gap: 4px; min-width: 0; flex: 1; }
.ci-texto strong { font-size: 0.95rem; line-height: 1.25; color: var(--tinta); }
.ci-texto > span { font-size: 0.8rem; font-variant-numeric: tabular-nums; color: var(--suave); }
.ci-pie { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 0.75rem; font-weight: 700; }
.ci-pie .ci-pct { color: var(--baya); font-variant-numeric: tabular-nums; }
.curso-item.completa .ci-pie .ci-pct { color: var(--ok); }
.ci-pie .ci-nivel { color: var(--suave); font-weight: 600; text-transform: capitalize; }

/* ---------- Ir a la clase anterior o siguiente ---------- */
.salto { display: flex; gap: 10px; flex-wrap: wrap; justify-content: space-between; }
.salto-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 240px;
  max-width: 420px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--linea);
  background: var(--papel);
  color: inherit;
  text-align: left;
}
.salto-btn:hover { border-color: var(--baya); }
.salto-btn svg { width: 20px; height: 20px; flex: none; color: var(--baya); }
.salto-btn.sig { margin-left: auto; flex-direction: row-reverse; text-align: right; }
.salto-txt { display: grid; min-width: 0; }
.salto-txt small { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--suave); }
.salto-txt strong { font-size: 0.95rem; line-height: 1.25; }

/* ---------- Cabecera de la clase ---------- */
.cabecera-clase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 440px);
  gap: 28px;
  align-items: center;
}
.cc-texto { display: grid; gap: 12px; align-content: start; }
.cc-texto h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.6rem, 6vw, 4rem);
  line-height: 1;
  color: var(--baya);
  text-shadow: 3px 3px 0 var(--rosa);
  letter-spacing: 0.01em;
}
.cc-sub { font-size: 1.2rem; font-weight: 600; max-width: 34ch; }
.cc-resumen { color: var(--suave); max-width: 62ch; }
.meta { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.meta li {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--linea-fuerte);
  font-variant-numeric: tabular-nums;
}

.paleta-card { background: var(--papel); border-radius: 22px; padding: 18px; box-shadow: var(--sombra); display: grid; gap: 14px; }
.paleta-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.paleta-head h2 { font-family: var(--display); font-weight: 400; font-size: 1.5rem; color: var(--baya); }
.paleta-head span { font-size: 0.85rem; color: var(--suave); font-variant-numeric: tabular-nums; }
.estuche {
  background: var(--estuche);
  border-radius: 18px;
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.35);
}
.godete {
  aspect-ratio: 1;
  border-radius: 50%;
  border: 0;
  padding: 0;
  background: var(--hueco);
  position: relative;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.72rem;
  color: var(--hueco-tinta);
  box-shadow: inset 0 2px 5px rgba(43, 23, 32, 0.16);
  font-variant-numeric: tabular-nums;
}
.godete::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0) 40%), var(--c);
  transform: scale(0);
  transition: transform 0.5s cubic-bezier(0.2, 0.9, 0.3, 1.25);
}
.godete.visto::before { transform: scale(0.42); }
.godete.lleno::before { transform: scale(1); }
.godete span { position: relative; z-index: 1; }
.godete.lleno span { color: var(--nc); }
.godete.sonando { outline: 2.5px solid var(--papel); outline-offset: 2px; }
.godete:hover::before { filter: brightness(1.06); }
.leyenda { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 0.78rem; color: var(--suave); }
.leyenda span { display: inline-flex; align-items: center; gap: 6px; }
.leyenda i { width: 12px; height: 12px; border-radius: 50%; display: inline-block; background: var(--hueco); box-shadow: inset 0 0 0 1.5px var(--linea-fuerte); }
.leyenda i.v { background: radial-gradient(circle, var(--coral) 0 38%, var(--rosa-velo) 42%); }
.leyenda i.l { background: var(--baya); box-shadow: none; }
.stats { display: grid; gap: 10px; }
.stat { display: grid; gap: 5px; }
.stat-txt { display: flex; justify-content: space-between; gap: 12px; font-size: 0.85rem; }
.stat-txt span:last-child { color: var(--suave); font-variant-numeric: tabular-nums; }
.ejemplo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--suave);
  border-top: 1px dashed var(--linea-fuerte);
  padding-top: 10px;
}
.reiniciar { margin-left: auto; padding: 8px 14px; font-size: 0.85rem; }
.reiniciar.confirmar { background: var(--mal-velo); color: var(--mal); border-color: var(--mal); }
.enlace { background: none; border: 0; padding: 0; color: var(--baya); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; text-align: left; }

/* ---------- Estudio: reproductor + panel ---------- */
.estudio { display: grid; grid-template-columns: minmax(300px, 400px) minmax(0, 1fr); gap: 32px; align-items: start; }
.reproductor { position: sticky; top: 16px; display: grid; gap: 12px; }
.video-marco {
  position: relative;
  width: min(100%, calc(72vh * 9 / 16));
  aspect-ratio: 9 / 16;
  margin-inline: auto;
  border-radius: 24px;
  overflow: hidden;
  background: #1B0F15;
  box-shadow: 0 24px 48px -22px rgba(176, 48, 92, 0.55);
}
.video-marco { background-size: cover; background-position: center; }
.video-marco iframe, #video-slot { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }
.vm-paso, .vm-bucle { pointer-events: none; z-index: 2; transition: opacity 0.15s ease, transform 0.15s ease; }
.video-marco.reproduciendo .vm-paso { opacity: 0; transform: translateY(-8px); }
.video-marco.reproduciendo .vm-bucle { opacity: 0; transform: translateY(8px); }
.vm-escudo { position: absolute; inset: 0; z-index: 1; cursor: pointer; -webkit-touch-callout: none; user-select: none; }
.vm-play { z-index: 3; }
.vm-paso {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  background: rgba(27, 15, 21, 0.62);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #FFF;
  border-radius: 14px;
  padding: 8px 12px;
  font-size: 0.85rem;
  line-height: 1.3;
  display: grid;
  gap: 2px;
}
.vm-paso span { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: #FFADC4; font-weight: 700; }
.vm-play {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 173, 196, 0.94);
  color: #2B1720;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s;
}
.vm-play:hover { transform: scale(1.06); }
.vm-play svg { width: 32px; height: 32px; margin-left: 4px; }
.vm-bucle {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: var(--rosa);
  color: #5A1F36;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 999px;
  display: inline-flex;
  gap: 5px;
  align-items: center;
}
.vm-bucle svg { width: 13px; height: 13px; }

.linea { display: flex; gap: 2px; height: 12px; cursor: pointer; align-items: center; border-radius: 4px; }
.seg { flex-basis: 0; height: 8px; background: var(--rosa-velo); border-radius: 3px; position: relative; overflow: hidden; min-width: 3px; transition: height 0.2s; }
.seg i { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--baya); }
.seg.activo { height: 12px; }
.controles { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ctrl {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1.5px solid var(--linea-fuerte);
  background: var(--papel);
  display: grid;
  place-items: center;
  color: var(--tinta);
  flex: none;
}
.ctrl svg { width: 18px; height: 18px; }
.ctrl.grande { width: 48px; height: 48px; background: var(--baya); color: var(--sobre-baya); border-color: transparent; }
.ctrl[aria-pressed="true"] { background: var(--rosa-velo); color: var(--baya); border-color: var(--baya); }
.tiempo { font-variant-numeric: tabular-nums; font-size: 0.85rem; font-weight: 600; color: var(--suave); margin-right: auto; }
.velocidad { border: 1.5px solid var(--linea-fuerte); border-radius: 999px; padding: 8px 10px; background: var(--papel); font-weight: 600; font-size: 0.85rem; }
.dice { display: grid; gap: 4px; min-height: 5.2em; }
.dice p { font-size: 0.95rem; line-height: 1.45; }
.dice p::before { content: "«"; color: var(--baya); font-weight: 800; }
.dice p::after { content: "»"; color: var(--baya); font-weight: 800; }
.dice p:empty::before, .dice p:empty::after { content: none; }

.panel { min-width: 0; }
.pestanas {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  border-bottom: 1px solid var(--linea);
  scrollbar-width: none;
  position: sticky;
  top: 0;
  background: var(--fondo);
  z-index: 5;
}
.pestanas::-webkit-scrollbar { display: none; }
.pestana {
  border: 0;
  background: none;
  padding: 14px 14px 12px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--suave);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.pestana svg { width: 16px; height: 16px; }
.pestana[aria-selected="true"] { color: var(--tinta); border-bottom-color: var(--baya); }
.badge {
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--rosa-velo);
  color: var(--baya);
  padding: 1px 8px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}
.tab-panel { padding-top: 22px; display: grid; gap: 18px; }
.panel-intro { display: flex; justify-content: space-between; align-items: end; gap: 12px; flex-wrap: wrap; }
.panel-intro h3 { font-size: 1.35rem; font-weight: 800; }
.panel-intro p { color: var(--suave); font-size: 0.92rem; max-width: 60ch; }

/* ---------- Botones y chips ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 16px;
  border: 1.5px solid var(--linea-fuerte);
  background: var(--papel);
  color: var(--tinta);
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.2;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn:hover { border-color: var(--baya); }
.btn.primario { background: var(--baya); color: var(--sobre-baya); border-color: transparent; }
.btn.primario:hover { filter: brightness(1.07); }
.btn.hecho { background: var(--ok-velo); color: var(--ok); border-color: transparent; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.chip-tiempo {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 3px 10px 3px 8px;
  border-radius: 999px;
  background: var(--rosa-velo);
  color: var(--baya);
  border: 0;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  vertical-align: baseline;
}
.chip-tiempo svg { width: 11px; height: 11px; }
.chip-tiempo:hover { background: var(--baya); color: var(--sobre-baya); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 0.8rem; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--linea-fuerte); }

/* ---------- Pasos ---------- */
.lista-pasos { display: grid; }
.paso { border-bottom: 1px solid var(--linea); border-radius: 0; transition: background 0.2s; }
.paso.abierto { background: var(--papel); border-radius: 18px; border-bottom-color: transparent; box-shadow: var(--sombra); margin-block: 8px; }
.paso-cab {
  width: 100%;
  border: 0;
  background: none;
  text-align: left;
  display: grid;
  grid-template-columns: 26px 64px minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px 12px;
  padding: 14px 12px;
  border-radius: inherit;
}
.godete-mini {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--rosa-velo);
  box-shadow: inset 0 0 0 1.5px var(--linea-fuerte);
}
.paso.visto .godete-mini { background: radial-gradient(circle, var(--c) 0 38%, var(--rosa-velo) 42%); }
.paso.practicado .godete-mini { background: radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0) 45%), var(--c); box-shadow: none; }
.paso-num { font-size: 0.78rem; font-weight: 700; color: var(--suave); font-variant-numeric: tabular-nums; }
.paso-titulo { font-weight: 700; font-size: 1rem; line-height: 1.3; }
.paso-meta { grid-column: 3; font-size: 0.8rem; color: var(--suave); font-variant-numeric: tabular-nums; }
.paso-lado { grid-column: 4; grid-row: 1 / span 2; display: flex; align-items: center; gap: 8px; }
.estado {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.estado svg { width: 12px; height: 12px; }
.estado.practicado { background: var(--ok-velo); color: var(--ok); }
.estado.visto { background: var(--rosa-velo); color: var(--baya); }
.sonando-tag { display: none; font-size: 0.72rem; font-weight: 800; color: var(--baya); align-items: center; gap: 5px; }
.paso.sonando .sonando-tag { display: inline-flex; }
.eq { display: inline-flex; gap: 2px; align-items: flex-end; height: 12px; }
.eq i { width: 3px; background: var(--baya); border-radius: 2px; animation: eq 0.9s ease-in-out infinite; }
.eq i:nth-child(2) { animation-delay: 0.2s; }
.eq i:nth-child(3) { animation-delay: 0.4s; }
@keyframes eq { 0%, 100% { height: 3px; } 50% { height: 12px; } }
.flecha { width: 18px; height: 18px; color: var(--suave); transition: transform 0.2s; }
.paso.abierto .flecha { transform: rotate(90deg); }

.paso-cuerpo { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 20px; padding: 0 16px 18px 50px; }
.paso-foto { margin: 0; position: relative; align-self: start; }
.paso-foto img { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 14px; display: block; }
.paso-foto .chip-tiempo { position: absolute; left: 8px; bottom: 8px; background: rgba(27, 15, 21, 0.72); color: #FFF; }
.paso-info { display: grid; gap: 14px; align-content: start; }
.paso-info h4 { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--suave); margin-bottom: 6px; }
.instr { margin: 0; padding-left: 1.3em; display: grid; gap: 6px; }
.instr li::marker { color: var(--baya); font-weight: 800; }
.porque ul, .errores ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.porque li { padding-left: 1.2em; position: relative; }
.porque li::before { content: "→"; position: absolute; left: 0; color: var(--baya); font-weight: 700; }
.errores li { display: flex; gap: 8px; align-items: flex-start; }
.errores li svg { width: 16px; height: 16px; flex: none; color: var(--mal); margin-top: 4px; }
.nota-mano {
  font-family: var(--mano);
  font-size: 1.2rem;
  line-height: 1.3;
  background: var(--nota);
  padding: 10px 14px 12px;
  border-radius: 6px;
  transform: rotate(-0.8deg);
  box-shadow: 0 6px 14px -8px rgba(176, 48, 92, 0.4);
  max-width: 46ch;
}
.nota-mano small { display: block; font-family: var(--texto); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--baya); margin-bottom: 2px; }
.paso-acciones { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 4px; }

/* ---------- Quiz ---------- */
.quiz { display: grid; gap: 18px; max-width: 720px; }
.q-cab { display: flex; justify-content: space-between; align-items: end; gap: 12px; }
.q-cab h3 { font-size: 1.35rem; font-weight: 800; }
.q-marcador { text-align: right; line-height: 1; }
.q-marcador strong { font-family: var(--display); font-weight: 400; font-size: 2.2rem; color: var(--baya); font-variant-numeric: tabular-nums; }
.q-marcador span { display: block; font-size: 0.78rem; color: var(--suave); margin-top: 4px; }
.q-puntos { display: flex; gap: 5px; }
.q-punto { flex: 1; height: 8px; border-radius: 999px; border: 0; padding: 0; background: var(--rosa-velo); }
.q-punto.ok { background: var(--ok); }
.q-punto.mal { background: var(--mal); }
.q-punto.actual { box-shadow: 0 0 0 2px var(--fondo), 0 0 0 4px var(--baya); }
.q-pregunta { font-size: 1.25rem; font-weight: 700; line-height: 1.35; }
.q-opciones { display: grid; gap: 10px; }
.q-op {
  display: flex;
  gap: 14px;
  align-items: center;
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1.5px solid var(--linea-fuerte);
  background: var(--papel);
  font-weight: 500;
  color: var(--tinta);
}
.q-op:not(:disabled):hover { border-color: var(--baya); transform: translateY(-1px); }
.q-op:disabled { cursor: default; }
.q-op > svg { width: 20px; height: 20px; margin-left: auto; flex: none; }
.q-letra {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.85rem;
  background: var(--rosa-velo);
  color: var(--baya);
}
.q-op.ok { border-color: var(--ok); background: var(--ok-velo); }
.q-op.ok .q-letra { background: var(--ok); color: var(--papel); }
.q-op.ok > svg { color: var(--ok); }
.q-op.mal { border-color: var(--mal); background: var(--mal-velo); }
.q-op.mal .q-letra { background: var(--mal); color: var(--papel); }
.q-op.mal > svg { color: var(--mal); }
.q-feedback { border-radius: 16px; padding: 16px; display: grid; gap: 8px; }
.q-feedback.ok { background: var(--ok-velo); }
.q-feedback.mal { background: var(--mal-velo); }
.q-feedback strong { font-size: 1.05rem; }
.q-feedback.ok strong { color: var(--ok); }
.q-feedback.mal strong { color: var(--mal); }
.q-fb-acciones { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; justify-content: space-between; padding-top: 4px; }
.q-resultado { display: grid; gap: 12px; justify-items: start; }
.q-nota { font-family: var(--display); font-size: 4.5rem; line-height: 1; color: var(--baya); text-shadow: 3px 3px 0 var(--rosa); font-variant-numeric: tabular-nums; }
.q-nota span { font-size: 2rem; color: var(--suave); text-shadow: none; }
.q-repaso { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; width: 100%; }
.q-repaso li { display: flex; gap: 10px; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--linea); }

/* ---------- Práctica ---------- */
.reto { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px; align-items: center; background: var(--papel); border-radius: 20px; padding: 18px; box-shadow: var(--sombra); }
.reto h3 { font-family: var(--display); font-weight: 400; font-size: 1.6rem; color: var(--baya); margin-bottom: 6px; }
.referencias { display: flex; gap: 8px; }
.referencias figure { margin: 0; display: grid; gap: 4px; justify-items: center; }
.referencias img { width: 84px; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 12px; display: block; }
.referencias figcaption { font-size: 0.7rem; color: var(--suave); }
.error-ia { background: var(--mal-velo); color: var(--mal); border-radius: 12px; padding: 10px 14px; font-size: 0.9rem; font-weight: 600; }

.auto { display: grid; gap: 10px; }
.auto-lista { list-style: none; margin: 0; padding: 0; display: grid; }
.auto-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px 20px; padding: 14px 0; border-top: 1px solid var(--linea); align-items: center; }
.auto-texto { display: grid; gap: 3px; }
.auto-texto strong { font-size: 0.98rem; }
.auto-zona { font-size: 0.75rem; color: var(--suave); }
.auto-texto p { font-size: 0.86rem; color: var(--suave); }
.auto-texto b.bien { color: var(--ok); }
.auto-texto b.mal { color: var(--mal); }
.auto-control { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.segmentado { display: inline-flex; border: 1.5px solid var(--linea-fuerte); border-radius: 999px; padding: 3px; gap: 2px; background: var(--papel); }
.seg-op { border: 0; background: none; padding: 6px 11px; border-radius: 999px; font-size: 0.8rem; font-weight: 700; color: var(--suave); white-space: nowrap; }
.seg-op[aria-checked="true"].si { background: var(--ok-velo); color: var(--ok); }
.seg-op[aria-checked="true"].casi { background: var(--mejorar-velo); color: var(--mejorar); }
.seg-op[aria-checked="true"].no { background: var(--mal-velo); color: var(--mal); }

/* ---------- Tutor ---------- */
.tutor { display: grid; gap: 14px; max-width: 760px; }
.modo { display: inline-flex; align-items: center; gap: 8px; font-size: 0.8rem; font-weight: 700; padding: 4px 12px; border-radius: 999px; background: var(--rosa-velo); color: var(--baya); justify-self: start; }
.modo i { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.modo.si { background: var(--ok-velo); color: var(--ok); }
.chat { display: flex; flex-direction: column; gap: 12px; min-height: 260px; max-height: 540px; overflow-y: auto; padding: 4px 2px; }
.msg { max-width: 88%; padding: 12px 15px; border-radius: 20px; line-height: 1.5; display: grid; gap: 8px; }
.msg.tu { align-self: flex-end; background: var(--baya); color: var(--sobre-baya); border-bottom-right-radius: 6px; }
.msg.ella { align-self: flex-start; background: var(--papel); border: 1px solid var(--linea); border-bottom-left-radius: 6px; }
.msg ul { margin: 0; padding-left: 1.2em; display: grid; gap: 4px; }
.msg blockquote { margin: 0; padding: 8px 12px; border-radius: 12px; background: var(--rosa-velo); font-size: 0.92rem; }
.msg .quien { font-size: 0.7rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--baya); }
.sugerencias { display: flex; flex-wrap: wrap; gap: 8px; }
.sugerencia { border: 1.5px solid var(--linea-fuerte); background: var(--papel); border-radius: 999px; padding: 7px 13px; font-size: 0.85rem; font-weight: 600; text-align: left; }
.sugerencia:hover { border-color: var(--baya); color: var(--baya); }
.chat-form { display: flex; gap: 8px; align-items: flex-end; background: var(--papel); border: 1.5px solid var(--linea-fuerte); border-radius: 24px; padding: 6px 6px 6px 16px; }
.chat-form:focus-within { border-color: var(--baya); }
.chat-form textarea { flex: 1; border: 0; background: none; resize: none; padding: 9px 0; max-height: 140px; outline: none; line-height: 1.4; }
.chat-form button { width: 42px; height: 42px; border-radius: 50%; border: 0; background: var(--baya); color: var(--sobre-baya); display: grid; place-items: center; flex: none; }
.chat-form button svg { width: 19px; height: 19px; }
.chat-form button:disabled { opacity: 0.5; }

/* ---------- Transcripción ---------- */
.buscador { display: flex; align-items: center; gap: 10px; border: 1.5px solid var(--linea-fuerte); border-radius: 999px; padding: 4px 16px; background: var(--papel); max-width: 420px; }
.buscador svg { width: 18px; height: 18px; color: var(--suave); }
.buscador input { border: 0; background: none; padding: 8px 0; flex: 1; outline: none; }
.buscador:focus-within { border-color: var(--baya); }
.lista-trans { display: grid; max-height: 620px; overflow-y: auto; }
.linea-t { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 12px; text-align: left; border: 0; background: none; padding: 10px 12px; border-radius: 12px; line-height: 1.5; }
.linea-t:hover { background: var(--rosa-velo); }
.linea-t.activa { background: var(--rosa-velo); }
.linea-t.activa span:last-child { font-weight: 600; }
.linea-t span:first-child { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--baya); font-size: 0.85rem; padding-top: 2px; }
mark { background: var(--rosa); color: #2B1720; border-radius: 3px; padding: 0 2px; }

/* ---------- Kit ---------- */
.kit-grupos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.kit-grupos h4 { font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--suave); margin-bottom: 6px; }
.kit-lista { list-style: none; margin: 0; padding: 0; display: grid; }
.kit-item { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; padding: 10px 0; border-top: 1px solid var(--linea); align-items: start; cursor: pointer; }
.kit-item input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--baya); }
.kit-item strong { display: block; font-size: 0.95rem; }
.kit-item span { font-size: 0.82rem; color: var(--suave); }
.kit-item em { font-style: normal; font-size: 0.72rem; font-weight: 700; color: var(--baya); background: var(--rosa-velo); padding: 1px 8px; border-radius: 999px; margin-left: 6px; }
.kit-item:has(input:checked) strong { text-decoration: line-through; text-decoration-color: var(--coral); text-decoration-thickness: 2px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 20px);
  background: var(--tinta);
  color: var(--fondo);
  padding: 11px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 50;
  max-width: calc(100vw - 32px);
}
.toast.visible { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .curso-lista { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cabecera-clase { grid-template-columns: 1fr; }
  .estudio { grid-template-columns: 1fr; }
  .reproductor { position: static; max-width: 460px; margin-inline: auto; width: 100%; }
  .video-marco { width: min(100%, calc(62vh * 9 / 16)); }
}
@media (max-width: 640px) {
  .banda, .contenedor, .aviso-demo { padding-inline: 16px; }
  .avance-global { margin-left: 0; width: 100%; }
  .banda-in { position: relative; }
  .tema { position: absolute; top: 12px; right: 0; }
  .curso-lista { grid-template-columns: 1fr; }
  .paso-cab { grid-template-columns: 24px minmax(0, 1fr) auto; }
  .paso-num { grid-column: 2; }
  .paso-titulo { grid-column: 2; }
  .paso-meta { grid-column: 2; }
  .paso-lado { grid-column: 3; grid-row: 1 / span 3; }
  .paso-cuerpo { grid-template-columns: 1fr; padding: 0 14px 16px; }
  .paso-foto { max-width: 200px; }
  .reto { grid-template-columns: 1fr; }
  .criterios li { grid-template-columns: 1fr; gap: 6px; }
  .auto-item { grid-template-columns: 1fr; }
  .auto-control { justify-content: flex-start; }
  .kit-grupos { grid-template-columns: 1fr; }
  .msg { max-width: 94%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- Cuenta en la banda superior ---------- */
.cuenta { display: flex; align-items: center; gap: 12px; font-size: 0.85rem; }
.cuenta-panel, .cuenta-salir {
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--banda-barra-fondo);
  white-space: nowrap;
}
.cuenta-panel:hover, .cuenta-salir:hover { filter: brightness(1.12); }
.cuenta-salir { background: none; font-weight: 600; opacity: 0.8; }
.cuenta-quien { display: grid; line-height: 1.2; min-width: 0; }
.cuenta-quien span { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cuenta-quien small { font-size: 0.72rem; opacity: 0.75; text-transform: capitalize; }

/* ---------- Cuenta sin activar ---------- */
.bloqueo { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 24px; background: var(--fondo); }
.bloqueo-caja {
  max-width: 440px;
  display: grid;
  gap: 14px;
  justify-items: center;
  text-align: center;
  padding: 32px 28px;
  border-radius: 22px;
  background: var(--papel);
  border: 1px solid var(--linea);
  box-shadow: var(--sombra);
}
.bloqueo-caja img { height: 46px; width: auto; }
.bloqueo-caja h2 { font-family: var(--display); font-weight: 400; font-size: 1.4rem; color: var(--baya); }
.bloqueo-caja p { color: var(--suave); }
.bloqueo-correo { font-weight: 700; color: var(--tinta) !important; }
.bloqueo-caja .btn { text-decoration: none; }

/* ---------- Paneles ---------- */
.cargando { padding: 48px 0; text-align: center; color: var(--suave); }
.panel-seccion { display: grid; gap: 16px; }
.panel-titulo { display: flex; align-items: baseline; justify-content: space-between; gap: 12px 20px; flex-wrap: wrap; }
.panel-titulo h2 { font-family: var(--display); font-weight: 400; font-size: 1.4rem; color: var(--baya); }
.panel-titulo p { font-size: 0.88rem; color: var(--suave); }

.tarjetas { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.tarjeta {
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--papel);
  border: 1px solid var(--linea);
  display: grid;
  gap: 4px;
  align-content: start;
}
.tarjeta strong { font-family: var(--display); font-weight: 400; font-size: 2rem; line-height: 1.05; color: var(--baya); font-variant-numeric: tabular-nums; }
.tarjeta span { font-size: 0.85rem; color: var(--suave); font-weight: 600; }
.tarjeta small { font-size: 0.78rem; color: var(--suave); }

/* Mi avance, clase por clase */
.avance-lista { display: grid; gap: 10px; }
.avance-fila {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 12px 16px 12px 12px;
  border-radius: 16px;
  background: var(--papel);
  border: 1px solid var(--linea);
  text-decoration: none;
  color: inherit;
}
.avance-fila:hover { border-color: var(--baya); }
.avance-fila img { width: 64px; height: 64px; object-fit: cover; border-radius: 12px; display: block; }
.af-texto { display: grid; gap: 5px; min-width: 0; }
.af-texto strong { font-size: 1rem; }
.af-texto .af-meta { font-size: 0.8rem; color: var(--suave); }
.af-pct { font-family: var(--display); font-weight: 400; font-size: 1.5rem; color: var(--baya); font-variant-numeric: tabular-nums; }
.avance-fila.completa .af-pct { color: var(--ok); }

/* Tabla de la profesora */
.tabla-envoltura { overflow-x: auto; border-radius: 16px; border: 1px solid var(--linea); background: var(--papel); }
table.tabla { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
table.tabla th, table.tabla td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--linea); white-space: nowrap; }
table.tabla thead th { font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--suave); background: var(--rosa-velo); }
table.tabla tbody tr:last-child td { border-bottom: 0; }
table.tabla tbody tr:hover { background: var(--rosa-velo); }
.alumna-cel { display: grid; gap: 2px; }
.alumna-cel strong { font-size: 0.92rem; }
.alumna-cel small { color: var(--suave); font-size: 0.76rem; }
.celda-pct { display: grid; gap: 4px; min-width: 92px; }
.celda-pct span { font-size: 0.78rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.celda-pct .barra { height: 5px; }
.sin-dato { color: var(--suave); }

.etiqueta-estado { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.72rem; font-weight: 700; }
.etiqueta-estado.activa { background: var(--ok-velo); color: var(--ok); }
.etiqueta-estado.pendiente { background: var(--mejorar-velo); color: var(--mejorar); }
.etiqueta-estado.pausada { background: var(--nv-velo); color: var(--nv); }
.etiqueta-estado.retirada { background: var(--mal-velo); color: var(--mal); }

/* Alta de personas */
.forma { display: grid; gap: 12px; padding: 18px; border-radius: 16px; background: var(--papel); border: 1px solid var(--linea); }
.forma-campos { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.campo { display: grid; gap: 5px; }
.campo label { font-size: 0.78rem; font-weight: 700; color: var(--suave); }
.campo input, .campo select {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--linea-fuerte);
  background: var(--fondo);
  min-width: 0;
}
.forma-pie { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.acciones-fila { display: flex; gap: 6px; flex-wrap: wrap; }
.mini {
  border: 1px solid var(--linea-fuerte);
  background: var(--fondo);
  color: inherit;
  border-radius: 999px;
  padding: 5px 11px;
  font-size: 0.78rem;
  font-weight: 600;
}
.mini:hover { border-color: var(--baya); color: var(--baya); }
.mini.peligro:hover { border-color: var(--mal); color: var(--mal); }
.vacio { padding: 32px; text-align: center; color: var(--suave); }

@media (max-width: 640px) {
  .avance-fila { grid-template-columns: 48px minmax(0, 1fr) auto; }
  .avance-fila img { width: 48px; height: 48px; }
}