/* =============================================================================
   Hojas Electrónicas — estilos del curso.
   Dos bloques: el simulador MiCurso Hojas y los elementos de la lección.
   ========================================================================== */

/* ==========================================================  simulador  == */

.hj {
  --hj-alto: 420px;
  --hj-borde: #d5dbe4;
  --hj-cab: #f1f4f8;
  --hj-sel: #1a73e8;
  --hj-selfondo: rgba(26, 115, 232, .10);
  border: 1px solid var(--hj-borde);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 13px;
  color: #1f2430;
  margin: 24px 0;
  user-select: none;
}

/* --- barra de herramientas ------------------------------------------------ */

.hj-herr {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
  padding: 6px 8px;
  background: var(--hj-cab);
  border-bottom: 1px solid var(--hj-borde);
}

.hj-bt {
  min-width: 28px;
  height: 27px;
  padding: 0 7px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #2b3446;
  font-family: inherit;
  font-size: 12.5px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.hj-bt:hover { background: #fff; border-color: var(--hj-borde); }
.hj-bt:active { background: #e6ebf3; }
.hj-bt b, .hj-bt i { font-size: 13.5px; }

.hj-sep {
  width: 1px;
  height: 18px;
  background: var(--hj-borde);
  margin: 0 4px;
}
.hj-extras { display: contents; }

.hj-al { display: inline-block; width: 13px; letter-spacing: -1px; }
.hj-al-izquierda { text-align: left; }
.hj-al-centro { text-align: center; }
.hj-al-derecha { text-align: right; }

/* --- barra de fórmulas ---------------------------------------------------- */

.hj-fx {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--hj-borde);
  background: #fff;
}

.hj-nombre {
  width: 92px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--hj-borde);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12.5px;
  font-weight: 600;
  color: #2b3446;
  background: #fafbfd;
}

.hj-fxsig {
  display: flex;
  align-items: center;
  padding: 0 10px;
  font-style: italic;
  font-weight: 600;
  color: #7c8598;
  border-right: 1px solid var(--hj-borde);
}

.hj-fxcampo {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  padding: 7px 10px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12.5px;
  color: #1f2430;
  background: #fff;
}
.hj-fxcampo::placeholder { color: #aab2c0; font-family: inherit; font-style: italic; }
.hj-fxcampo:focus { background: #f7faff; }
.hj-fxcampo:disabled { background: #f4f6f9; color: #7c8598; }

/* --- la rejilla ----------------------------------------------------------- */

.hj-marco {
  height: var(--hj-alto);
  overflow: auto;
  position: relative;
  background: #fff;
}

.hj-rejilla { outline: 0; width: max-content; }

.hj-fila { display: flex; height: 26px; }

.hj-celda {
  flex: none;
  box-sizing: border-box;
  border-right: 1px solid #e8ecf2;
  border-bottom: 1px solid #e8ecf2;
  padding: 0 6px;
  display: flex;
  align-items: center;
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  background: #fff;
}
.hj-celda.hj-num { justify-content: flex-end; }
.hj-celda.hj-a-izquierda { justify-content: flex-start; }
.hj-celda.hj-a-centro { justify-content: center; }
.hj-celda.hj-a-derecha { justify-content: flex-end; }
.hj-celda.hj-b { font-weight: 700; }
.hj-celda.hj-i { font-style: italic; }
.hj-celda.hj-bordes { border: 1px solid #9aa4b5; }
.hj-celda.hj-tapada { display: none; }
.hj-celda.hj-fusion { z-index: 1; }

.hj-celda.hj-err { color: #c0271a; font-weight: 600; }

/* cabeceras: se quedan pegadas al desplazar */
.hj-cab { position: sticky; top: 0; z-index: 4; }
.hj-th {
  background: var(--hj-cab);
  border-right: 1px solid var(--hj-borde);
  border-bottom: 1px solid var(--hj-borde);
  justify-content: center;
  font-size: 11.5px;
  font-weight: 600;
  color: #5d6678;
  cursor: pointer;
}
.hj-th.hj-resalta { background: #dde6f5; color: #17418c; }
.hj-thf { position: sticky; left: 0; z-index: 3; }
.hj-esq { position: sticky; left: 0; z-index: 5; background: var(--hj-cab);
          border-right: 1px solid var(--hj-borde); border-bottom: 1px solid var(--hj-borde); }

.hj-tirador {
  position: absolute;
  right: -3px;
  top: 0;
  width: 6px;
  height: 100%;
  cursor: col-resize;
  z-index: 6;
}
.hj-tirador:hover { background: var(--hj-sel); }

/* selección */
.hj-celda.hj-sel { background: var(--hj-selfondo); }
.hj-celda.hj-activa {
  background: #fff;
  outline: 2px solid var(--hj-sel);
  outline-offset: -2px;
  z-index: 2;
}
.hj-celda.hj-previo { background: rgba(26, 115, 232, .18); }

.hj-relleno {
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 8px;
  height: 8px;
  background: var(--hj-sel);
  border: 1px solid #fff;
  border-radius: 1px;
  cursor: crosshair;
  z-index: 7;
}

.hj-editor {
  position: absolute;
  inset: -1px;
  width: calc(100% + 2px);
  border: 2px solid var(--hj-sel);
  outline: 0;
  padding: 0 5px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12.5px;
  background: #fff;
  color: #1f2430;
  z-index: 8;
}

.hj.hj-copiando .hj-celda.hj-sel { outline: 1px dashed var(--hj-sel); outline-offset: -1px; }

/* --- pestañas de hoja ----------------------------------------------------- */

.hj-pestanas {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 5px 8px;
  background: var(--hj-cab);
  border-top: 1px solid var(--hj-borde);
}
.hj-pest {
  border: 1px solid transparent;
  border-radius: 6px 6px 0 0;
  background: transparent;
  padding: 4px 13px;
  font-family: inherit;
  font-size: 12px;
  color: #5d6678;
  cursor: pointer;
}
.hj-pest.on { background: #fff; border-color: var(--hj-borde); border-bottom-color: #fff;
              color: #1f2430; font-weight: 600; }
.hj-pestmas { padding: 4px 9px; }

/* --- diálogos del simulador ----------------------------------------------- */

.hj-dialogo {
  position: fixed;
  inset: 0;
  background: rgba(15, 20, 30, .45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}
.hj-dcaja {
  background: #fff;
  border-radius: 14px;
  padding: 20px 22px;
  width: min(420px, 100%);
  max-height: 85vh;
  overflow: auto;
  box-shadow: 0 24px 60px rgba(10, 20, 40, .3);
}
.hj-dcaja h4 { margin: 0 0 4px; font-size: 16px; }
.hj-dcaja p.hj-ayuda { margin: 0 0 14px; font-size: 13px; color: #6b7487; line-height: 1.5; }
.hj-dcaja label { display: block; font-size: 12.5px; font-weight: 600; margin: 12px 0 4px; color: #3b4356; }
.hj-dcaja select, .hj-dcaja input[type=text], .hj-dcaja input[type=number] {
  width: 100%; box-sizing: border-box; padding: 8px 10px;
  border: 1px solid var(--hj-borde); border-radius: 8px;
  font-family: inherit; font-size: 13px; background: #fff; color: #1f2430;
}
.hj-dpie { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; }
.hj-dbt {
  border: 1px solid var(--hj-borde); background: #fff; color: #2b3446;
  border-radius: 8px; padding: 8px 15px; font-family: inherit; font-size: 13px; cursor: pointer;
}
.hj-dbt.hj-primario { background: var(--hj-sel); border-color: var(--hj-sel); color: #fff; }
.hj-dbt:hover { filter: brightness(.97); }

.hj-casillas { display: flex; flex-direction: column; gap: 5px; max-height: 190px; overflow: auto;
               border: 1px solid var(--hj-borde); border-radius: 8px; padding: 9px 11px; margin-top: 6px; }
.hj-casillas label { display: flex; align-items: center; gap: 8px; margin: 0; font-weight: 400; }
.hj-casillas input { width: auto; }

/* =========================================  elementos de la lección  ====== */

.hj-tarea {
  border: 1px solid #bfdbfe;
  border-left: 5px solid #2563eb;
  background: #f5f9ff;
  border-radius: 12px;
  padding: 16px 18px;
  margin: 24px 0;
}
.hj-tarea > h4 { margin: 0 0 6px; font-size: 16px; color: #1d4ed8; }
.hj-tarea p:last-of-type { margin-bottom: 0; }
.hj-tarea.lograda { border-color: #6ee7b7; background: #f0fdf7; }
.hj-tarea.lograda > h4 { color: #047857; }

.hj-pie {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.hj-comprobar {
  border: 0;
  background: #2563eb;
  color: #fff;
  border-radius: 9px;
  padding: 9px 17px;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
}
.hj-comprobar:hover { background: #1d4ed8; }
.hj-comprobar:disabled { opacity: .5; cursor: default; }
.hj-reiniciar {
  border: 1px solid #cbd5e1; background: #fff; color: #475569;
  border-radius: 9px; padding: 8px 14px; font-family: inherit; font-size: 13.5px; cursor: pointer;
}
.hj-marca { font-size: 12px; font-weight: 600; padding: 4px 11px; border-radius: 999px;
            background: #fef3c7; color: #92400e; }
.hj-marca.ok { background: #d1fae5; color: #065f46; }

.hj-resultado { margin-top: 14px; display: flex; flex-direction: column; gap: 7px; }
.hj-punto {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 13.8px;
  line-height: 1.55;
}
.hj-punto.bien { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }
.hj-punto.mal  { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.hj-punto b { flex: none; font-size: 15px; line-height: 1.3; }
.hj-punto code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .9em; background: rgba(0,0,0,.06); padding: 1px 5px; border-radius: 4px;
}

.hj-dato {
  border-left: 4px solid #0284c7;
  background: #f0f9ff;
  border-radius: 0 10px 10px 0;
  padding: 13px 16px;
  margin: 20px 0;
  font-size: 14.5px;
}
.hj-dato strong { color: #075985; }
.hj-dato p:last-child, .hj-dato ul:last-child { margin-bottom: 0; }

.hj-ojo {
  border-left: 4px solid #dc2626;
  background: #fef2f2;
  border-radius: 0 10px 10px 0;
  padding: 13px 16px;
  margin: 20px 0;
  font-size: 14.5px;
}
.hj-ojo strong { color: #991b1b; }
.hj-ojo p:last-child { margin-bottom: 0; }

/* Dónde está esto en Excel y en Google Sheets: aparece en casi cada lección,
   porque el curso enseña conceptos y el participante usa una herramienta real. */
.hj-donde {
  border: 1px dashed #cbd5e1;
  border-radius: 10px;
  padding: 12px 15px;
  margin: 20px 0;
  font-size: 13.8px;
  background: #fafbfd;
}
.hj-donde > b { display: block; margin-bottom: 7px; color: #334155; font-size: 13px; }
.hj-donde dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 5px 12px; }
.hj-donde dt { font-weight: 600; color: #475569; white-space: nowrap; }
.hj-donde dd { margin: 0; color: #475569; }
.hj-donde kbd {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .86em; background: #fff; border: 1px solid #cbd5e1;
  border-bottom-width: 2px; border-radius: 5px; padding: 1px 5px;
}

.hj-tabla { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px;
            display: block; overflow-x: auto; }
.hj-tabla th, .hj-tabla td { border: 1px solid #e2e8f0; padding: 9px 12px; text-align: left;
                             vertical-align: top; }
.hj-tabla th { background: #f1f5f9; font-weight: 600; }
.hj-tabla td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.hj-tabla code { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: .9em; }
.hj-tabla tr.destaca td { background: #fef9c3; font-weight: 600; }

/* --- las páginas «libre» no heredan tipografía del aula -------------------- */

.curso-libre { font-size: 16.4px; line-height: 1.75; color: #2f3545; }
.curso-libre h2 { font-size: 1.5rem; margin: 1.9em 0 .55em; }
.curso-libre h3 { font-size: 1.16rem; margin: 1.6em 0 .45em; }
.curso-libre p { margin: 0 0 1.15em; }
.curso-libre ul, .curso-libre ol { margin: 0 0 1.2em; padding-left: 1.35em; }
.curso-libre li { margin-bottom: .42em; }
.curso-libre a { color: #1d4ed8; }

.entradilla {
  font-size: 18px;
  line-height: 1.65;
  color: #475569;
  border-left: 3px solid #2563eb;
  padding-left: 16px;
  margin: 0 0 1.6em;
}
.nota-legal { color: #64748b; line-height: 1.6; }

@media (max-width: 720px) {
  .hj-herr { gap: 1px; padding: 5px; }
  .hj-bt { min-width: 26px; padding: 0 5px; font-size: 12px; }
  .hj-nombre { width: 72px; }
}

/* --- datos: aviso de filtro e inmovilización ------------------------------ */

.hj-aviso, .hj-filtrada {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 7px 12px;
  font-size: 12.5px;
  border-bottom: 1px solid var(--hj-borde);
}
.hj-aviso { background: #eff6ff; color: #1e40af; }
.hj-filtrada { background: #fffbeb; color: #92400e; }
.hj-quitarf {
  margin-left: auto;
  border: 1px solid #fcd34d;
  background: #fff;
  color: #92400e;
  border-radius: 6px;
  padding: 3px 10px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
}
.hj-quitarf:hover { background: #fef3c7; }

/* Las celdas inmovilizadas se quedan pegadas al desplazar. */
.hj-celda.hj-fijaf { position: sticky; z-index: 3; }
.hj-celda.hj-fijac { position: sticky; z-index: 3; }
.hj-celda.hj-fijaf.hj-fijac { z-index: 4; }
.hj-th.hj-fijaf, .hj-th.hj-fijac { z-index: 5; }
.hj-celda.hj-cond { font-weight: 500; }

/* --- gráficos ------------------------------------------------------------- */

.hj-graficos {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px;
  background: #fafbfd;
  border-top: 1px solid var(--hj-borde);
}
.hj-grafico {
  flex: 1 1 340px;
  min-width: 300px;
  border: 1px solid var(--hj-borde);
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
}
.hj-gbarra {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 11px;
  border-bottom: 1px solid #eef1f6;
  background: #fafbfd;
}
.hj-gtit { font-weight: 600; font-size: 12.5px; }
.hj-grango {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  color: #7c8598;
}
.hj-gquitar {
  margin-left: auto;
  border: 0;
  background: transparent;
  color: #94a3b8;
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  padding: 0 3px;
}
.hj-gquitar:hover { color: #dc2626; }
.hj-lienzo { display: block; width: 100%; height: 260px; }

/* --- la zona del simulador dentro de una tarea ---------------------------- */

.hj-zona .hj { margin: 14px 0 0; }
.hj-demo .hj-zona .hj { margin-top: 0; }

/* --- demos que se pueden tocar -------------------------------------------- */

.hj-demo .hj-zona { position: relative; }
.hj-demo[data-tocable] .hj-zona::after {
  content: 'Pruébelo: esta hoja se puede tocar. No se guarda nada.';
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: #64748b;
  font-style: italic;
}

/* El texto que no cabe se derrama sobre las celdas vacías de la derecha. */
.hj-celda.hj-derrama { overflow: visible; z-index: 3; }
.hj-celda.hj-derrama > span {
  /* La celda es un contenedor flex, así que sin «flex: none» el span se
     encoge al ancho de la celda y el derrame no se ve. */
  flex: none;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hj-celda.hj-derrama.hj-activa { z-index: 4; }