/* ============================================================
   Ejercicio Cloze — styles.css (UI)
   Patron de la casa (mismo lenguaje visual que el resto de
   herramientas): panel de control a la izquierda, hoja viva a la
   derecha, nada de pestanas.
   ============================================================ */

.cali-stage {
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1.35fr;
  gap: var(--space-5);
  align-items: start;
}
.tool-stage.cali-stage {
  overflow: visible;
}

.cali-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg, 16px);
  box-shadow: var(--shadow-sm, 0 6px 18px rgba(21, 24, 35, 0.06));
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.cali-bloque { border: 0; margin: 0; padding: 0; min-width: 0; }
.cali-bloque > legend {
  padding: 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-2);
}
.cali-pista { margin: 0 0 var(--space-2); color: var(--color-muted); font-size: var(--text-xs); }

/* ---------- Texto base ---------- */
.texto-input {
  width: 100%;
  min-height: 150px;
  resize: vertical;
  padding: 10px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm, 8px);
  background: var(--color-surface);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text);
}
.texto-input:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}
.cali-texto-pie {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  margin-top: 6px;
}
.cali-contador { color: var(--color-soft); font-size: var(--text-xs); }

/* ---------- Segmentados ---------- */
.cali-segmentos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-1);
  padding: var(--space-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 12px);
  background: var(--color-bg);
}
.cali-segmentos label { position: relative; }
.cali-segmentos input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.cali-segmentos span {
  display: grid;
  place-items: center;
  min-height: 40px;
  padding: 4px 8px;
  border-radius: var(--radius-sm, 8px);
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 700;
  text-align: center;
  line-height: 1.25;
}
.cali-segmentos input:checked + span {
  background: var(--color-surface);
  color: var(--color-primary-dark);
  box-shadow: 0 1px 4px rgba(21, 24, 35, 0.14);
}
.cali-segmentos input:focus-visible + span { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ---------- Controles ---------- */
.cali-campo { display: flex; flex-direction: column; gap: 4px; font-size: var(--text-xs); font-weight: 700; color: var(--color-muted); margin-top: var(--space-3); }
.cali-campo.full { grid-column: 1 / -1; }
.input-texto, .input-numero {
  width: 100%;
  padding: 8px 10px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm, 8px);
  font-size: var(--text-sm);
  background: var(--color-surface);
  color: var(--color-text);
}
.input-numero { width: 90px; }
.input-rango { width: 100%; accent-color: var(--color-primary); }
.cali-valor { color: var(--color-primary-dark); font-weight: 800; }
.campo-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.campo-checkbox input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--color-primary); flex: 0 0 auto; }
.campo-checkbox label { cursor: pointer; flex: 1; }
.campo-checkbox .ayuda-campo { display: block; font-size: var(--text-xs); color: var(--color-muted); font-weight: 400; }

/* ---------- Seleccion manual ---------- */
.texto-seleccionable {
  margin-top: var(--space-2);
  padding: 12px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md, 12px);
  background: var(--color-surface-2);
  font-size: var(--text-sm);
  line-height: 2;
  max-height: 260px;
  overflow-y: auto;
}
.texto-seleccionable:empty { display: none; }
.palabra-clicable {
  cursor: pointer;
  border-radius: 4px;
  padding: 1px 2px;
  transition: background 140ms ease, color 140ms ease;
}
.palabra-clicable:hover { background: var(--color-primary-soft); }
.palabra-clicable.seleccionada {
  background: var(--color-primary);
  color: #fff;
  text-decoration: line-through;
}

/* ---------- Acciones ---------- */
.cali-acciones { display: flex; flex-direction: column; gap: var(--space-2); }
.acciones-botones { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.acciones-botones .btn { flex: 1 1 auto; }
.cali-estado { margin: 0; min-height: 18px; font-size: var(--text-xs); color: var(--color-muted); }
.cali-estado.error { color: var(--color-error); }
.cali-estado.exito { color: var(--color-success); }

/* ---------- Preview ---------- */
.cali-previa {
  position: sticky;
  top: calc(var(--header-height, 80px) + var(--space-4));
  min-width: 0;
}
.cali-previa-barra {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.cali-previa-barra h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-ink);
}
.cali-chip-huecos {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: 800;
  white-space: nowrap;
}
.contenedor-previa {
  background: var(--color-bg);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg, 16px);
  padding: var(--space-4);
  min-height: 420px;
  max-height: calc(100vh - var(--header-height, 80px) - 120px);
  overflow-y: auto;
}
.contenedor-previa .ficha-documento { transform-origin: top center; }

/* ---------- La ficha (coherente con print.css) ---------- */
.ficha-documento {
  background: #FFFFFF;
  border: 1px solid var(--color-border-soft);
  box-shadow: 0 2px 10px rgba(21, 24, 35, 0.08);
  border-radius: 4px;
  margin: 0 auto;
  max-width: 720px;
  padding: 48px 52px;
  color: #1F2933;
  font-size: 15px;
  line-height: 2.1;
}
.ficha-titulo { font-size: 22px; font-weight: 800; text-align: center; margin: 0 0 18px; }
.ficha-subtitulo { text-align: center; color: #5b6578; margin: -10px 0 16px; font-size: 14px; }
.hueco { display: inline-block; border-bottom: 1.5px solid #1F2933; min-width: 60px; margin: 0 2px; }
.hueco.ancho-fijo { min-width: 120px; }
.palabra-resaltada { background: #fde68a; border-bottom: 1.5px solid #1F2933; padding: 0 1px; }
.banco-palabras { margin-top: 28px; padding-top: 14px; border-top: 1px dashed #cbd5e1; break-inside: avoid; }
.banco-palabras h3 { font-size: 15px; margin: 0 0 8px; }
.banco-palabras ul { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 14px; padding: 0; margin: 0; font-size: 14px; }
.banco-palabras li { padding: 2px 10px; border: 1px dashed #94a3b8; border-radius: 6px; }
.datos-pie { margin-top: 26px; font-size: 13px; color: #5b6578; }
.estado-vacio {
  text-align: center;
  padding: 60px 20px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg, 16px);
  background: var(--color-surface);
  color: var(--color-muted);
  margin: 40px auto;
  max-width: 440px;
}
.estado-vacio-titulo { font-size: var(--text-lg); font-weight: 800; color: var(--color-ink); margin: 0 0 6px; }
.estado-vacio-texto { margin: 0; font-size: var(--text-sm); }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .cali-stage { grid-template-columns: 1fr; }
  .cali-previa { position: static; }
  .contenedor-previa { max-height: none; }
}
@media (max-width: 520px) {
  .acciones-botones .btn { flex: 1 1 100%; }
}