/* ==========================================================================
   MOLÉCULAS: TARJETAS DE ESTADÍSTICA (KPI), GRUPOS DE CONTROL Y TOOLTIPS
   ========================================================================== */

/* Tarjeta KPI de Estadística Empresarial */
.molecule-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-card);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.molecule-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(99, 102, 241, 0.3);
}

.molecule-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-primary), transparent);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.molecule-card:hover::before {
  opacity: 1;
}

.molecule-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.molecule-card-title {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}

.molecule-card-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.molecule-card-footer {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}