/* ==========================================================================
   ia.css — Componentes propios de Analítica para los Negocios II
   (se suma a extra.css, que trae la paleta USM y los componentes base)
   ========================================================================== */

/* ---------- Ejercicio de Python (py-run.js) ---------- */
.py-run {
  margin: 1.4rem 0;
  padding: 0.2rem 1.1rem 0.6rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-left: 5px solid #3776ab; /* azul de Python */
  border-radius: 12px;
}
.md-typeset .py-run-t { margin: 0.8rem 0 0.4rem; font-weight: 700; font-size: 0.95rem; }
.md-typeset .py-run .highlight { margin: 0.6rem 0 0; }
.md-typeset .py-run code[contenteditable] { outline: none; }
.md-typeset .py-run pre:focus-within { box-shadow: 0 0 0 2px var(--usm-gold); border-radius: 4px; }
.md-typeset .py-run-reto {
  margin: 0.7rem 0 0.2rem;
  font-size: 0.8rem;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  background: color-mix(in srgb, #3776ab 10%, transparent);
}
.md-typeset .py-run-html { overflow-x: auto; margin-top: 0.4rem; }
.md-typeset .py-run-html table {
  font-size: 0.7rem;
  border-collapse: collapse;
  display: table;
}
.md-typeset .py-run-html th,
.md-typeset .py-run-html td {
  padding: 0.25rem 0.55rem;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
  text-align: right;
}
.md-typeset .py-run-html thead th { border-bottom: 2px solid var(--usm-navy); }

/* ---------- Botón "Abrir en Colab" y tarjeta de notebook ---------- */
.ia-colab {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  margin: 1.2rem 0;
  padding: 0.8rem 1rem;
  border-radius: 12px;
  border: 1px dashed color-mix(in srgb, #f9ab00 70%, transparent);
  background: color-mix(in srgb, #f9ab00 8%, transparent);
}
.md-typeset .ia-colab p { margin: 0; flex: 1 1 18rem; font-size: 0.8rem; }
.md-typeset .ia-colab a.ia-colab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: #f9ab00;
  color: #202124;
  font-weight: 700;
  font-size: 0.78rem;
  text-decoration: none;
  transition: transform 0.16s cubic-bezier(0.34, 1.36, 0.64, 1);
}
.md-typeset .ia-colab a.ia-colab-btn:hover { transform: translateY(-2px); }

/* ---------- Pasos de un flujo (pipeline) ---------- */
.ia-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.4rem;
  margin: 0.8rem 0;
}
.ia-flow-step {
  flex: 1 1 7rem;
  padding: 0.55rem 0.6rem;
  border-radius: 10px;
  border: 1.5px solid var(--md-default-fg-color--lightest);
  background: var(--md-default-bg-color);
  font-size: 0.72rem;
  line-height: 1.35;
  transition: border-color 0.2s, background-color 0.2s;
}
.ia-flow-step strong { display: block; font-size: 0.78rem; margin-bottom: 0.15rem; }
.ia-flow-step.is-on {
  border-color: var(--usm-gold);
  background: color-mix(in srgb, var(--usm-gold) 14%, transparent);
}
.ia-flow-step.is-done { border-color: color-mix(in srgb, #2e8b57 60%, transparent); }

/* ---------- Fichas (tokens, palabras, documentos) ---------- */
.ia-chips { display: flex; flex-wrap: wrap; gap: 0.3rem; margin: 0.6rem 0; }
.ia-chip {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-family: var(--md-code-font-family);
  font-size: 0.72rem;
  background: color-mix(in srgb, var(--usm-blue) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--usm-blue) 35%, transparent);
  white-space: pre;
}
.ia-chip:nth-child(5n + 2) { background: color-mix(in srgb, var(--usm-gold) 18%, transparent); border-color: color-mix(in srgb, var(--usm-gold) 45%, transparent); }
.ia-chip:nth-child(5n + 3) { background: color-mix(in srgb, #2e8b57 15%, transparent); border-color: color-mix(in srgb, #2e8b57 40%, transparent); }
.ia-chip:nth-child(5n + 4) { background: color-mix(in srgb, var(--usm-red) 12%, transparent); border-color: color-mix(in srgb, var(--usm-red) 35%, transparent); }
.ia-chip:nth-child(5n + 5) { background: color-mix(in srgb, #7b4bb7 13%, transparent); border-color: color-mix(in srgb, #7b4bb7 35%, transparent); }
.ia-chip.is-hot { outline: 2px solid var(--usm-gold); }

/* ---------- Barras horizontales (probabilidades, similitudes) ---------- */
.ia-bars { display: grid; gap: 0.3rem; margin: 0.6rem 0; }
.ia-bar-row {
  display: grid;
  grid-template-columns: minmax(6rem, 11rem) 1fr 3.4rem;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
}
.ia-bar-row > span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ia-bar-track {
  height: 0.75rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--md-default-fg-color) 8%, transparent);
  overflow: hidden;
}
.ia-bar-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--usm-blue);
}
.ia-bar-row.is-top .ia-bar-fill { background: var(--usm-gold); }
.ia-bar-row > span:last-child { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- Mapa de calor (atención, matriz de confusión) ---------- */
.ia-heat { display: grid; gap: 2px; margin: 0.6rem 0; font-size: 0.68rem; overflow-x: auto; }
.ia-heat-cell {
  min-width: 2.2rem;
  padding: 0.3rem 0.2rem;
  text-align: center;
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
}
/* Las etiquetas pueden partirse en espacios para que la matriz quepa en un teléfono */
.ia-heat-lbl { padding: 0.3rem 0.35rem; font-weight: 700; line-height: 1.25; }

/* ---------- Lienzo SVG responsivo ---------- */
.ia-svg { width: 100%; height: auto; display: block; margin: 0.5rem 0; overflow: visible; }
.ia-svg text { fill: var(--md-default-fg-color); font-size: 11px; font-family: var(--md-text-font-family); }
.ia-svg .ia-axis { stroke: var(--md-default-fg-color--lighter); stroke-width: 1; }
.ia-svg .ia-grid { stroke: var(--md-default-fg-color--lightest); stroke-width: 1; }

/* ---------- Tarjetas de sprint / entrega ---------- */
.ia-sprint {
  margin: 1rem 0;
  padding: 0.9rem 1.1rem;
  border-radius: 12px;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-top: 4px solid var(--usm-gold);
}
.md-typeset .ia-sprint h3 { margin-top: 0.2rem; }
.ia-badge {
  display: inline-block;
  padding: 0.12rem 0.55rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  background: var(--usm-navy);
  color: #fff;
  margin-right: 0.3rem;
}
.ia-badge.is-gold { background: var(--usm-gold); color: var(--usm-navy-dark); }
.ia-badge.is-red { background: var(--usm-red); }

/* ---------- Bloque "paso" para explicaciones en etapas ---------- */
.ia-step {
  margin: 1rem 0;
  padding: 0.6rem 1rem;
  border-left: 4px solid var(--usm-blue);
  border-radius: 0 10px 10px 0;
  background: color-mix(in srgb, var(--usm-blue) 6%, transparent);
}

@media (prefers-reduced-motion: reduce) {
  .md-typeset .ia-colab a.ia-colab-btn { transition: none; }
  .ia-flow-step { transition: none; }
}