button,
input,
select,
textarea {
  font: inherit;
}

.form-workspace {
  align-items: start;
}

.required-note {
  margin: -0.25rem 0 1rem;
  color: var(--muted);
  font-size: 0.74rem;
}

.field-group {
  margin-bottom: 1rem;
}

.field-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 800;
}

.field-group input,
.field-group select,
.field-group textarea {
  width: 100%;
  padding: 0.7rem 0.75rem;
  color: #23344a;
  background: #fff;
  border: 1px solid #bcc6d3;
  border-radius: 0.65rem;
}

.field-group textarea {
  resize: vertical;
}

.field-group.is-invalid input,
.field-group.is-invalid select,
.field-group.is-invalid textarea {
  border-color: #bd3554;
  box-shadow: 0 0 0 0.18rem rgb(189 53 84 / 10%);
}

.field-help,
.field-error,
.help-row {
  margin: 0.3rem 0 0;
  font-size: 0.7rem;
}

.field-help,
.help-row {
  color: var(--muted);
}

.field-error {
  min-height: 1em;
  color: #a82040;
  font-weight: 750;
}

.help-row {
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
}

.help-row p {
  margin: 0;
}

.simulation-option {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  margin: 0.25rem 0 1rem;
  padding: 0.75rem;
  background: #fff7e8;
  border: 1px solid #edd5a9;
  border-radius: 0.65rem;
  font-size: 0.75rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.form-actions button {
  min-height: 2.8rem;
}

.secondary-button {
  color: var(--blue);
  background: #edf1ff;
  border: 1px solid #bec9f8;
}

.form-summary {
  margin-bottom: 1rem;
  padding: 0.8rem;
  color: #7f1730;
  background: #fff0f3;
  border: 1px solid #e9afbc;
  border-left: 0.3rem solid #bd3554;
  border-radius: 0.65rem;
  font-size: 0.75rem;
}

.form-summary:focus {
  outline: 0.2rem solid #6978d7;
  outline-offset: 0.15rem;
}

.form-summary strong {
  display: block;
  margin-bottom: 0.25rem;
}

.submission-message {
  min-height: 1.25rem;
  margin: 0 0 0.75rem;
  color: #176a59;
  font-weight: 800;
}

.submission-message.is-error {
  color: #a82040;
}

.state-panel {
  position: sticky;
  top: 1rem;
}

.form-state {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

.state-row {
  padding: 0.7rem;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 0.6rem;
}

.state-row__heading {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  justify-content: space-between;
}

.state-row__heading code {
  font-size: 0.7rem;
  font-weight: 800;
}

.state-badge {
  padding: 0.22rem 0.45rem;
  color: #176a59;
  background: #dff8f0;
  border-radius: 999px;
  font-size: 0.64rem;
  font-weight: 800;
}

.state-badge.is-invalid {
  color: #a82040;
  background: #fff0f3;
}

.state-row p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font: 0.66rem "Cascadia Code", Consolas, monospace;
}

.model-preview {
  margin-top: 1rem;
}

.model-preview h3 {
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
}

#model-output,
#source-code {
  margin: 0;
  padding: 1rem;
  overflow: auto;
  color: #dffdfa;
  background: var(--navy);
  border-radius: 0.75rem;
  font: 0.72rem/1.55 "Cascadia Code", Consolas, monospace;
}

#model-output {
  min-height: 10rem;
}

.source-panel {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.source-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.7rem;
}

.source-tabs button {
  min-height: 2.5rem;
  color: var(--muted);
  background: #fff;
  border: 1px solid #cdd5e0;
}

.source-tabs button[aria-selected="true"] {
  color: #fff;
  background: var(--blue);
}

#source-code {
  min-height: 24rem;
}

@media (min-width: 44rem) {
  .field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
}

@media (min-width: 54rem) {
  .source-panel {
    grid-template-columns: 0.55fr 1.45fr;
    align-items: start;
  }
}

@media (max-width: 48rem) {
  .state-panel {
    position: static;
  }
}