body {
  padding: 2rem 1rem;
}

.viz-frame {
  max-width: 1180px;
}

.viz-content {
  padding-top: 3rem;
}

.viz-layout {
  display: grid;
  grid-template-columns: minmax(18rem, 0.86fr) minmax(22rem, 1.14fr);
  gap: 1rem;
  margin-top: 2rem;
}

.panel {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 94%, var(--fg) 6%);
  padding: 1rem;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .8rem;
}

.panel h2 {
  margin: 0;
  font-size: .82rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: .15em;
}

.toolbar-mini,
.actions {
  display: flex;
  gap: .45rem;
  flex-wrap: wrap;
}

button,
input,
textarea {
  font: inherit;
}

button,
.actions .button-link {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  padding: .35rem .55rem;
  cursor: pointer;
  text-decoration: none;
  font-size: .72rem;
  line-height: 1.1;
}

button:hover,
.actions .button-link:hover {
  border-color: var(--muted);
}

.field-label,
.controls label,
.hint,
.status,
.summary {
  color: var(--muted);
  font-size: .72rem;
  line-height: 1.45;
}

.field-label {
  display: block;
  margin-bottom: .35rem;
}

code {
  color: var(--fg);
}

textarea {
  width: 100%;
  min-height: 22rem;
  resize: vertical;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  padding: .75rem;
  font-size: .74rem;
  line-height: 1.35;
  tab-size: 2;
}

textarea:focus,
input:focus {
  outline: 1px solid var(--fg);
  outline-offset: 1px;
}

.hint {
  margin-top: .5rem;
  max-width: none;
}

.controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .65rem;
  margin: 1rem 0;
}

.controls label {
  display: grid;
  gap: .25rem;
}

input {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  padding: .35rem .45rem;
  font-size: .75rem;
}

.status {
  min-height: 1.3rem;
  margin-top: .7rem;
  max-width: none;
}

.status.error {
  color: #b04432;
}

.preview-panel {
  min-width: 0;
}

.svg-wrap {
  width: 100%;
  overflow: auto;
  border: 1px dashed var(--border);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--border) 35%, transparent) 1px, transparent 1px),
    linear-gradient(color-mix(in srgb, var(--border) 35%, transparent) 1px, transparent 1px),
    var(--bg);
  background-size: 24px 24px;
  padding: 1rem;
}

#viz {
  display: block;
  width: 100%;
  min-width: 440px;
  height: auto;
  background: var(--bg);
  border: 1px solid var(--border);
}

@media (max-width: 920px) {
  .viz-layout {
    grid-template-columns: 1fr;
  }

  textarea {
    min-height: 16rem;
  }
}

@media (max-width: 620px) {
  body {
    padding: 1rem .5rem;
  }

  .viz-content {
    padding: 2rem 1rem;
  }

  .controls {
    grid-template-columns: 1fr;
  }
}