.tdee-form {
  display: grid;
  gap: 1.25rem;
  margin: 1.5rem 0 2rem;
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.tdee-form fieldset {
  border: 0;
  min-width: 0;
  display: grid;
  gap: 0.5rem;
}

.tdee-form legend,
.tdee-form label.tdee-field {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.tdee-form [hidden] {
  display: none;
}

.tdee-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(7rem, 100%), 1fr));
  gap: 0.75rem;
}

.tdee-input {
  display: grid;
  gap: 0.25rem;
}

.tdee-form input[type="number"] {
  font: inherit;
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
}

.tdee-form input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.tdee-form input[type="number"]:invalid {
  border-color: var(--primary-dark);
}

.tdee-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.tdee-choice {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.tdee-choices--stacked {
  flex-direction: column;
}

.tdee-form button {
  font: inherit;
  font-weight: 600;
  border: 0;
  cursor: pointer;
  padding: 0.75rem 2rem;
  justify-self: start;
}

.tdee-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(9rem, 100%), 1fr));
  gap: 0.75rem;
}

.tdee-results > div {
  padding: 1rem;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
}

.tdee-results dt {
  font-size: 0.875rem;
  color: var(--text-light);
}

.tdee-results dd {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
}

.tdee-results .tdee-main {
  border-color: var(--primary);
}

@media (max-width: 480px) {
  .tdee-form {
    padding: 1rem;
  }
}