[data-tool="thread-amount"] .ff-method {
  margin: 0 0 var(--space-4);
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
}

[data-tool="thread-amount"] .ff-method-head {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 var(--space-4);
  font-size: .9375rem;
  font-weight: 600;
  cursor: pointer;
}
[data-tool="thread-amount"] .ff-method-head::before {
  content: "+";
  width: var(--space-5);
  font-weight: 500;
  color: var(--spruce-deep);
}
[data-tool="thread-amount"] .ff-method[open] .ff-method-head::before {
  content: "\2212";
}
[data-tool="thread-amount"] .ff-method-head::-webkit-details-marker {
  display: none;
}
[data-tool="thread-amount"] .ff-method-head:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
[data-tool="thread-amount"] .ff-method-in {
  display: grid;
  gap: var(--space-2);
  padding: 0 var(--space-4) var(--space-4);
}
[data-tool="thread-amount"] .ff-method p {
  margin: 0;
  max-width: 46rem;
}
[data-tool="thread-amount"] .ff-method-formula {
  font: .9375rem/1.5 var(--font-mono);
  overflow-wrap: anywhere;
}
[data-tool="thread-amount"] .ff-method-line {
  font-size: .9375rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

[data-tool="thread-amount"] .ff-tool-out .ff-tool-note {
  font-size: .9375rem;
  line-height: 1.55;
}
@media (max-width: 600px) {
  [data-tool="thread-amount"] .ff-method-head {
    padding: 0 var(--space-3);
  }
  [data-tool="thread-amount"] .ff-method-in {
    padding: 0 var(--space-3) var(--space-3);
  }
}


[data-tool="thread-amount"] .ff-skein-form {
  padding: 0;
}