/* ============================================================
   MEASUREMENTS — Cotas por tramo (continua) y entre tensores (punteada)
   ============================================================ */

/* Línea de cota (continua por defecto) */
.cota-line {
  position: absolute;
  height: 1px;
  border-width: 0;
  background-color: var(--c-accent-dark, #404040);
  opacity: 0.75;
  pointer-events: none;
  visibility: hidden;
}

/* Línea punteada para cotas entre tensores */
.cota-line--dashed {
  background: none;
  border-top: 1px dashed var(--c-accent-dark, #404040);
  height: 0;
}

/* Etiqueta de medida — pastilla compacta */
.cota-label {
  position: absolute;
  font-family: var(--ff-sans, system-ui, sans-serif);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: #fff;
  background-color: var(--c-accent-dark, #404040);
  padding: 2px 6px;
  border-radius: 3px;
  text-align: center;
  pointer-events: none;
  white-space: nowrap;
  visibility: hidden;
}

/* Botón de medidas activo */
.scene__ctrl--active {
  background: #434240;
}
.scene__ctrl--active img {
  filter: brightness(0) invert(1);
}

/* ── Leyenda ── */
.cota-legend {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12px;
  color: var(--c-text-body, #2f2e2d);
  pointer-events: none;
  z-index: 10;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(6px);
  border-radius: 8px;
  padding: 10px 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.cota-legend__row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cota-legend__line {
  width: 32px;
  height: 0;
  border-top: 1px solid var(--c-accent-dark, #404040);
  flex-shrink: 0;
}

.cota-legend__line--dashed {
  border-top-style: dashed;
}