.model-layout {
  display: grid;
  grid-template-columns: 270px minmax(520px, 1fr) 390px;
  height: calc(100vh - 157px);
  border: 1px solid var(--line);
  background: var(--panel);
}

.model-list {
  display: flex;
  min-height: 0;
  flex-direction: column;
  border-right: 1px solid var(--line);
  padding: 15px;
}

.model-meta h2 {
  margin: 5px 0;
  font: 500 21px Georgia, serif;
}

.model-meta p,
.model-summary,
.model-editor p {
  color: var(--muted);
  line-height: 1.55;
}

#model-types {
  min-height: 0;
  flex: 1;
  overflow: auto;
}

#model-types > button {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 9px;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  padding: 9px 5px;
  text-align: left;
  cursor: pointer;
}

#model-types > button:hover,
#model-types > button.selected {
  background: #17242a;
}

#model-types strong,
#model-types small {
  display: block;
}

#model-types small {
  margin-top: 2px;
  color: var(--muted);
  font: 8px ui-monospace, monospace;
}

.model-group {
  width: 7px;
  height: 25px;
  border-radius: 4px;
  background: #73918f;
}

.model-group.domain { background: var(--green); }
.model-group.authority { background: var(--blue); }
.model-group.work { background: var(--amber); }
.model-group.review { background: #bd97e7; }
.model-group.wave { background: var(--red); }
.model-group.execution { background: #9ba5ef; }

.model-actions {
  display: grid;
  gap: 6px;
  padding-top: 12px;
}

#model-graph {
  height: calc(100% - 92px);
  background-image: radial-gradient(#29383d 1px, transparent 1px);
  background-size: 20px 20px;
}

.model-summary {
  padding: 0 21px;
}

.model-fields {
  padding: 8px 20px;
}

.model-fields h3 {
  font: 500 15px Georgia, serif;
}

.model-fields article {
  border-top: 1px solid var(--line);
  padding: 9px 0;
}

.model-fields article > div {
  display: flex;
  justify-content: space-between;
}

.model-fields p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 9px;
}

.model-fields code {
  display: block;
  margin-top: 5px;
  white-space: normal;
}

.model-editor {
  padding: 20px;
}

.model-editor h2 {
  font: 500 22px Georgia, serif;
}

.model-editor textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line2);
  background: #0a1115;
  color: #b8cac5;
  padding: 10px;
  font: 9px/1.5 ui-monospace, monospace;
}

.validation-ok,
.validation-bad {
  display: block;
  margin-top: 10px;
  padding: 8px;
  border: 1px solid #32675b;
  color: var(--green);
}

.validation-bad {
  border-color: #6e3d3d;
  color: var(--red);
}