/* MD Matemáticas — ejercicios interactivos (gym). Hereda variables de styles.css. */

.gym {
  background: var(--md-surface, #fff);
  border: var(--md-border, 3px solid var(--md-edge, #000));
  box-shadow: var(--md-shadow, 6px 6px 0 var(--md-edge, #000));
  margin: 2rem 0 2.5rem;
  padding: 0 0 1.25rem;
}

.gym-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  background: var(--md-navy, #262A3D);
  border-bottom: var(--md-border, 3px solid var(--md-edge, #000));
  padding: 0.6rem 1rem;
}

.gym-title {
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  font-family: "Bricolage Grotesque", sans-serif;
  font-size: 1.15rem !important;
  text-transform: uppercase;
  color: var(--md-lime, #FCE678);
}

.gym-stats { display: flex; gap: 0.5rem; font-size: 0.8rem; font-weight: 600; }
.gym-stats span {
  background: var(--md-paper, #EBF8EE);
  border: 2px solid var(--md-edge, #000);
  padding: 0.1rem 0.5rem;
  color: var(--md-ink, #1a1a1a);
}
.gym-stats b { font-family: "JetBrains Mono", monospace; margin-left: 0.25rem; }

.gym > :not(.gym-head) { margin-left: 1rem; margin-right: 1rem; }

.gym-params { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; margin-top: 1rem; }
.gym-param { display: flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; font-weight: 600; margin: 0; }
.gym-param select {
  font: inherit;
  font-weight: 500;
  border: 2px solid var(--md-edge, #000);
  background: var(--md-paper, #EBF8EE);
  padding: 0.15rem 0.4rem;
  border-radius: 0;
  min-width: 0;
  max-width: 100%;
}
.gym-param { max-width: 100%; }

.gym-tip {
  margin-top: 0.9rem;
  margin-bottom: 0;
  padding: 0.45rem 0.7rem;
  font-size: 0.88rem;
  background: var(--md-lime, #FCE678);
  border: 2px solid var(--md-edge, #000);
}

.gym-prompt { margin-top: 1rem; font-size: 1.05rem; overflow-x: auto; }
.gym-prompt .katex-display { margin: 0.6rem 0; }

.gym-answer { margin-top: 0.5rem; overflow-x: auto; padding-bottom: 0.25rem; }
.gym-answer-row { display: flex; align-items: center; gap: 0.8rem; }
.gym-label { font-size: 1.15rem; white-space: nowrap; }

.gym-matrix {
  display: grid;
  grid-template-columns: repeat(var(--cols), minmax(3.6rem, 4.6rem));
  gap: 0.35rem;
  padding: 0.4rem 0.7rem;
  border-left: 4px solid var(--md-edge, #000);
  border-right: 4px solid var(--md-edge, #000);
  border-radius: 10px;
}

.gym input.gym-cell,
.gym input.gym-line {
  font-family: "JetBrains Mono", monospace;
  font-size: 1rem;
  text-align: center;
  color: var(--md-text, #000);
  background: var(--md-paper, #EBF8EE);
  border: 2px solid var(--md-edge, #000);
  border-radius: 0;
  padding: 0.35rem 0.2rem;
  width: 100%;
  min-width: 0;
}
.gym input.gym-single { width: 6rem; }
.gym input.gym-line { width: 14rem; text-align: left; padding-left: 0.6rem; }
.gym input:focus { outline: none; box-shadow: 3px 3px 0 var(--md-teal, #5EC4B6); background: var(--md-surface, #fff); }
.gym input.ok { background: var(--md-ok-bg, #b6ead9); }
.gym input.bad { background: var(--md-bad-bg, #f9b7b1); }

.gym-feedback { min-height: 1.6rem; margin-top: 0.6rem; font-weight: 700; }
.gym-feedback.ok { color: var(--md-ok-fg, #0d6b57); }
.gym-feedback.bad { color: var(--md-bad-fg, #b5352c); }
.gym-feedback.warn { color: var(--md-warn-fg, #7a5b00); }

.gym-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 0.4rem; }
.gym-btn {
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--md-text, #000);
  background: var(--md-paper, #EBF8EE);
  border: 2px solid var(--md-edge, #000);
  border-radius: 0;
  box-shadow: 3px 3px 0 var(--md-edge, #000);
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  transition: transform 0.06s, box-shadow 0.06s;
}
.gym-btn:hover:not(:disabled) { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--md-edge, #000); }
.gym-btn:active:not(:disabled) { transform: translate(3px, 3px); box-shadow: 0 0 0 var(--md-edge, #000); }
.gym-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.gym-check { background: var(--md-teal, #5EC4B6); }
.gym-next { background: var(--md-lime, #FCE678); }
.gym-sol, .gym-res { background: var(--md-amber, #F4736C); }
.gym-class-btn { margin-left: auto; }
.gym-btn[hidden] { display: none; }

.gym-steps {
  margin-top: 1.2rem;
  border: 2px solid var(--md-edge, #000);
  background: var(--md-paper, #EBF8EE);
  padding: 0.6rem 0.9rem 0.3rem;
}
.gym-steps-title {
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.gym-step { display: flex; gap: 0.7rem; margin-bottom: 0.6rem; }
.gym-step-n {
  flex: none;
  width: 1.6rem; height: 1.6rem;
  display: grid; place-items: center;
  background: var(--md-navy, #262A3D);
  color: var(--md-lime, #FCE678);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  font-weight: 700;
}
.gym-step-body { min-width: 0; overflow-x: auto; }
.gym-step-body .katex-display { margin: 0.4rem 0; }

/* --- Modo clase: pantalla completa, letra grande --- */
html.gym-lock { overflow: hidden; }
.gym.gym-class {
  position: fixed;
  inset: 0;
  z-index: 2000;
  margin: 0;
  overflow-y: auto;
  border: 0;
  box-shadow: none;
  background: var(--md-paper, #EBF8EE);
  padding-bottom: 2rem;
  font-size: 1.5rem;
}
.gym-class .gym-prompt { font-size: 1.8rem; }
.gym-class .gym-label { font-size: 2rem; }
.gym-class .gym-matrix { grid-template-columns: repeat(var(--cols), minmax(5rem, 7rem)); gap: 0.6rem; }
.gym-class input.gym-cell, .gym-class input.gym-line { font-size: 1.8rem; padding: 0.6rem 0.3rem; }
.gym-class input.gym-single { width: 9rem; }
.gym-class input.gym-line { width: 22rem; }
.gym-class .gym-btn { font-size: 1.1rem; padding: 0.6rem 1.2rem; }
.gym-class .gym-tip { font-size: 1.15rem; }
.gym-class .gym-feedback { font-size: 1.5rem; }

@media (max-width: 576px) {
  .gym-label { font-size: 1rem; }
  .gym-matrix { grid-template-columns: repeat(var(--cols), minmax(2.6rem, 1fr)); }
}

/* --- Respuesta de elección (radio) --- */
.gym-choices { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.gym-choice {
  display: flex; align-items: center; gap: 0.5rem;
  margin: 0; padding: 0.4rem 0.8rem;
  background: var(--md-paper, #EBF8EE);
  border: 2px solid var(--md-edge, #000);
  box-shadow: 3px 3px 0 var(--md-edge, #000);
  cursor: pointer;
  font-weight: 600;
}
.gym-choice:hover { background: var(--md-lime, #FCE678); }
.gym-choice input { accent-color: var(--md-edge, #000); }
.gym-choice.ok { background: var(--md-ok-bg, #b6ead9); }
.gym-choice.bad { background: var(--md-bad-bg, #f9b7b1); }
.gym-class .gym-choice { font-size: 1.5rem; padding: 0.6rem 1.2rem; }

/* --- Ayuda en dos fases --- */
.gym-help-btn { background: var(--md-lime, #FCE678); }
.gym-help {
  margin-top: 1rem;
  border: 2px solid var(--md-edge, #000);
  border-left-width: 8px;
  background: var(--md-help, #fffbe6);
  padding: 0.5rem 0.9rem 0.3rem;
}
.gym-help-phase + .gym-help-phase { margin-top: 0.6rem; padding-top: 0.5rem; border-top: 2px dashed var(--md-edge, #000); }
.gym-help-title {
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}
.gym-help-body { font-size: 0.95rem; overflow-x: auto; }
.gym-help-body .katex-display { margin: 0.4rem 0; }
.gym-class .gym-help-body { font-size: 1.3rem; }

/* Etiqueta sobre cada casilla de una fila de respuestas */
.gym-collabel { text-align: center; font-size: 0.9rem; align-self: end; }
.gym-class .gym-collabel { font-size: 1.3rem; }

.gym-matrix.has-labels { grid-template-columns: repeat(var(--cols), minmax(6.5rem, 8.5rem)); }
.gym-answer-row + .gym-answer-row { margin-top: 0.7rem; }

/* ================= Simulacro de examen ================= */
.mdx-config { max-width: 52rem; }
.mdx-intro { font-size: 1.02rem; }
.mdx-banner { background: var(--md-lime, #FCE678); border: 3px solid var(--md-edge, #000); box-shadow: 4px 4px 0 var(--md-edge, #000); padding: 0.7rem 1rem; margin: 1rem 0; display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }
.mdx-fs { border: 3px solid var(--md-edge, #000); box-shadow: 4px 4px 0 var(--md-edge, #000); background: var(--md-surface, #fff); padding: 0.6rem 1rem 0.8rem; margin: 1.2rem 0; }
.mdx-fs legend { font-family: "Bricolage Grotesque", sans-serif; font-weight: 700; text-transform: uppercase; font-size: 0.85rem; padding: 0 0.5rem; float: none; width: auto; margin: 0; }
.mdx-radio, .mdx-check { display: flex; align-items: center; gap: 0.5rem; margin: 0.3rem 0; cursor: pointer; }
.mdx-check.off { opacity: 0.45; cursor: not-allowed; }
.mdx-area { margin-bottom: 0.9rem; }
.mdx-area-h { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.2rem; border-bottom: 2px dashed var(--md-edge, #000); padding-bottom: 0.2rem; }
.mdx-area-h b { font-family: "Bricolage Grotesque", sans-serif; text-transform: uppercase; font-size: 0.9rem; margin-right: auto; }
.mdx-mini { font-size: 0.72rem; border: 2px solid var(--md-edge, #000); background: var(--md-paper, #EBF8EE); padding: 0 0.4rem; cursor: pointer; text-transform: uppercase; font-weight: 700; }
.mdx-opts { display: flex; flex-wrap: wrap; gap: 1rem 2rem; margin: 0.6rem 0 1rem; }
.mdx-opts input[type=number] { width: 5rem; }
.mdx-opts input[type=text] { width: 15rem; font-family: "JetBrains Mono", monospace; }
.mdx-opts input { border: 2px solid var(--md-edge, #000); border-radius: 0; padding: 0.2rem 0.4rem; background: var(--md-paper, #EBF8EE); }
.mdx-go { font-size: 1rem; padding: 0.6rem 1.2rem; }
.mdx-err { color: var(--md-bad-fg, #b5352c); font-weight: 700; margin-top: 0.6rem; }
.mdx-hist { margin-top: 1.5rem; }
.mdx-hist h4 { font-family: "Bricolage Grotesque", sans-serif; text-transform: uppercase; font-size: 0.9rem; }

.mdx-bar { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 1rem; background: var(--md-navy, #262A3D); color: var(--md-paper-fixed, #EBF8EE); border: 3px solid var(--md-edge, #000); padding: 0.4rem 1rem; margin: 0 0 1rem; }
.mdx-bar-cod { margin-right: auto; font-size: 0.8rem; }
.mdx-bar code { color: var(--md-lime, #FCE678); background: transparent; }
.mdx-timer { font-family: "JetBrains Mono", monospace; font-size: 1.5rem; font-weight: 700; color: var(--md-lime, #FCE678); }
.mdx-timer.warn { color: var(--md-amber, #F4736C); }

.mdx-hoja { background: var(--md-surface, #fff); border: 3px solid var(--md-edge, #000); box-shadow: 6px 6px 0 var(--md-edge, #000); padding: 1rem 1.4rem 1.4rem; }
.mdx-cab { text-align: center; border: 2px solid var(--md-edge, #000); padding: 0.5rem; margin-bottom: 1rem; }
.mdx-cab-t { font-family: "Bricolage Grotesque", sans-serif; font-weight: 800; }
.mdx-cab-m { font-weight: 800; margin-top: 0.3rem; }
.mdx-instr { border: 2px solid var(--md-edge, #000); padding: 0.5rem 0.9rem; font-size: 0.9rem; margin-bottom: 1.2rem; }
.mdx-instr ul { margin: 0.3rem 0 0; padding-left: 1.2rem; }
.mdx-grupo { margin-top: 1.4rem; }
.mdx-grupo-t { text-align: center; margin: 1.2rem 0 0.6rem; }
.mdx-grupo-t span { border: 2px solid var(--md-edge, #000); padding: 0.1rem 0.6rem; font-weight: 700; background: var(--md-paper, #EBF8EE); }
.mdx-ej { border-top: 2px solid var(--md-edge, #000); padding: 0.8rem 0 0.4rem; }
.mdx-ej.mdx-no { opacity: 0.6; }
.mdx-ej-h { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem; }
.mdx-ej-t { font-weight: 800; text-decoration: underline; }
.mdx-ej-t small { font-weight: 600; text-decoration: none; }
.mdx-elijo { margin-left: auto; font-size: 0.85rem; font-weight: 700; background: var(--md-lime, #FCE678); border: 2px solid var(--md-edge, #000); padding: 0.1rem 0.5rem; cursor: pointer; }
.mdx-enun { margin: 0.4rem 0; overflow-x: auto; }
.mdx-parte { margin: 0.6rem 0 0.8rem 1rem; }
.mdx-pts { font-weight: 700; }
.mdx-pie { text-align: center; margin: 1.2rem 0; }
.mdx-parte.okp { border-left: 6px solid #2f9e7d; padding-left: 0.6rem; }
.mdx-parte.badp { border-left: 6px solid #d8493f; padding-left: 0.6rem; }
.mdx-sol { margin: 0.4rem 0; padding: 0.3rem 0.6rem; background: var(--md-paper, #EBF8EE); border: 2px dashed var(--md-edge, #000); }
.mdx-res-btn { margin: 0.3rem 0; }
.mdx-tipo { font-size: 0.8rem; background: var(--md-paper, #EBF8EE); border: 2px solid var(--md-edge, #000); padding: 0 0.4rem; }
.mdx-ptsr { margin-left: auto; font-family: "JetBrains Mono", monospace; font-weight: 700; }
.mdx-nota { background: var(--md-lime, #FCE678); border: 3px solid var(--md-edge, #000); box-shadow: 6px 6px 0 var(--md-edge, #000); text-align: center; padding: 1rem; margin-bottom: 1rem; }
.mdx-nota-n { font-family: "Bricolage Grotesque", sans-serif; font-size: 3.5rem; font-weight: 800; line-height: 1; }
.mdx-nota-n small { font-size: 1.4rem; }
.mdx-cod-r { font-size: 0.8rem; margin-top: 0.4rem; }
.mdx-acc { display: flex; gap: 0.6rem; margin: 1rem 0; }
@media print { .mdx-bar, .mdx-pie, .gym-btn { display: none !important; } }

/* Vista previa de respuestas «expr»: cómo se ha leído lo escrito */
.gym-expr { display: inline-flex; flex-direction: column; gap: 0.2rem; }
.gym-expr-preview { font-family: "JetBrains Mono", monospace; font-size: 0.8rem; color: var(--md-muted, #555); min-height: 1em; }

/* Autoevaluación del procedimiento tras el simulacro */
.mdx-rubrica { border: 3px solid var(--md-edge, #000); background: var(--md-surface, #fff); box-shadow: 4px 4px 0 var(--md-edge, #000); padding: 0.6rem 1rem; margin-bottom: 1rem; }
.mdx-rubrica summary { font-weight: 700; cursor: pointer; }
.mdx-rubrica ul { list-style: none; padding-left: 0; margin: 0.4rem 0 0; }
.mdx-rubrica li { margin: 0.25rem 0; }

/* Tabla N(0,1) plegable en los ejercicios de distribución normal */
.mdx-tabla { margin: 0.75rem 0; }
.mdx-tabla summary { cursor: pointer; font-weight: 700; }
.mdx-tabla div { overflow-x: auto; }
.mdx-tabla table { border-collapse: collapse; font-size: 0.68rem; line-height: 1.2; font-variant-numeric: tabular-nums; }
.mdx-tabla td, .mdx-tabla th { padding: 1px 4px; text-align: right; border: 1px solid var(--md-line, #bbb); }
.mdx-tabla th { background: var(--md-paper, #eee); color: var(--md-text, #000); }

/* Gráficas interactivas (JSXGraph) */
.gym-plot { margin: 1rem 1rem 0; }
.mdplot-board.jxgbox { width: 100%; max-width: 560px; aspect-ratio: 1 / 1; border: var(--md-border, 3px solid var(--md-edge, #000)); background: #fff; border-radius: 0; }
.mdplot-note { font-size: 0.8rem; color: var(--md-muted, #555); margin-top: 0.35rem; }

/* Tabla de contingencia de los enunciados del simulacro CCSS */
.mdx-tab { border-collapse: collapse; margin: 0.6rem 0; font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.mdx-tab th, .mdx-tab td { border: 2px solid var(--md-edge, #000); padding: 0.25rem 0.7rem; text-align: center; }
.mdx-tab thead th, .mdx-tab tbody th { background: var(--md-paper, #eee); color: var(--md-text, #000); }

/* Simulacro en pantallas estrechas: la barra del cronómetro se ajusta y las fórmulas largas se desplazan en horizontal */
@media (max-width: 600px) {
  .mdx-bar { flex-wrap: wrap; gap: 0.4rem 0.8rem; padding: 0.4rem 0.6rem; }
}
.mdx-enun .katex-display, .mdx-parte-t .katex-display, .mdx-sol .katex-display, .gym-step-body .katex-display { overflow-x: auto; overflow-y: hidden; max-width: 100%; }
@media (max-width: 600px) { .mdx-parte .gym-answer-row { overflow-x: auto; max-width: 100%; } }