.generate-schema-shell {
  grid-template-columns: minmax(210px, 240px) minmax(0, 1fr);
  gap: clamp(36px, 5vw, 72px);
}

.generate-schema-shell :where(input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="hidden"])) {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  color: var(--color-ink);
  background-color: var(--color-canvas);
  font: inherit;
  transition: border-color 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
}

.generate-schema-shell :where(input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="hidden"])):hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--color-ink) 38%, var(--color-border));
  background-color: var(--color-surface);
}

.generate-schema-shell :where(input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="hidden"])):focus-visible {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.generate-schema-shell :where(input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="hidden"])):disabled {
  color: var(--color-muted);
  background-color: var(--color-surface);
  cursor: not-allowed;
  opacity: .7;
}

.tools-nav {
  display: grid;
  gap: 6px;
  margin-top: 22px;
}

.tools-nav a {
  display: grid;
  gap: 5px;
  padding: 11px 12px;
  border-left: 2px solid transparent;
  color: var(--color-muted);
  text-decoration: none;
}

.tools-nav a:hover {
  background: var(--color-surface);
  color: var(--color-ink);
}

.tools-nav a[aria-current="page"] {
  border-left-color: var(--color-accent);
  background: var(--color-surface);
  color: var(--color-ink);
}

.tools-nav strong { font-size: 13px; }
.tools-nav span { font-size: 11px; line-height: 1.5; }

.tool-context {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
  padding: 10px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.tool-context > p {
  max-width: 680px;
  margin: 0;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.6;
}

.tool-context dl { display: flex; flex: none; gap: 22px; margin: 0; }
.tool-context dl div { display: grid; gap: 3px; }
.tool-context dt,
.tool-context dd { margin: 0; font-family: var(--font-code); font-size: 10px; }
.tool-context dt { color: var(--color-muted); text-transform: uppercase; }
.tool-context dd { color: var(--color-ink); font-weight: 700; white-space: nowrap; }

.tool-tabs {
  display: flex;
  overflow-x: auto;
  margin: 0 0 16px;
  border-bottom: 1px solid var(--color-border);
  scrollbar-width: thin;
}

.tool-tabs button {
  flex: none;
  min-height: 44px;
  padding: 10px 14px;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--color-muted);
  background: transparent;
  font: 700 12px/1.35 var(--font-ui);
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 140ms ease, color 140ms ease, background-color 140ms ease;
}

.tool-tabs button:hover:not(:disabled) {
  color: var(--color-ink);
  background: var(--color-surface);
}

.tool-tabs button[aria-selected="true"] {
  border-bottom-color: var(--color-accent);
  color: var(--color-ink);
}

.tool-tabs button:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -3px;
}

.tool-tabs button:disabled {
  color: color-mix(in srgb, var(--color-muted) 55%, transparent);
  cursor: not-allowed;
}

@media (pointer: coarse) {
  .tool-tabs button { min-height: 48px; }
}

.schema-editors {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding-top: 22px;
}

.schema-editor-panel {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-canvas);
}

.schema-editor-heading {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
}

.schema-editor-heading h3 { margin: 0; font-size: 14px; }
.schema-editor-heading p { margin: 4px 0 0; color: var(--color-muted); font-size: 11px; }
.schema-editor-heading .button { flex: none; }

.schema-code {
  display: block;
  width: 100%;
  min-height: 480px;
  padding: 16px;
  border: 0;
  border-radius: 0;
  resize: vertical;
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-code);
  font-size: 12px;
  line-height: 1.65;
  tab-size: 2;
}

.schema-code:focus {
  position: relative;
  z-index: 1;
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

#schema-status { min-height: 20px; margin-top: 12px; }

@media (max-width: 1080px) {
  .tool-context { align-items: flex-start; flex-direction: column; gap: 12px; }
  .schema-editors { grid-template-columns: 1fr; }
  .schema-code { min-height: 360px; }
}

@media (max-width: 767px) {
  .generate-schema-shell { grid-template-columns: 1fr; }
  .tool-context dl { width: 100%; justify-content: space-between; }
  .schema-editor-heading { align-items: stretch; flex-direction: column; }
  .schema-editor-heading .button { width: 100%; }
}
/* Shared resizable Input / Output / Preview layouts. */
.tool-split-layout {
  gap: 0 !important;
}

.tool-splitter {
  position: relative;
  align-self: stretch;
  min-width: 16px;
  min-height: 44px;
  padding: 0;
  border: 0;
  color: var(--color-muted);
  background: transparent;
  cursor: ew-resize;
  touch-action: none;
}

.tool-splitter::before {
  position: absolute;
  inset: 0 7px;
  border-radius: 999px;
  background: var(--color-border);
  content: "";
  transition: inset 150ms ease, background-color 150ms ease;
}

.tool-splitter:hover::before,
.tool-splitter.is-dragging::before {
  inset-inline: 5px;
  background: var(--color-accent);
}

.tool-splitter:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -3px;
}

body:has(.tool-splitter.is-dragging) {
  cursor: ew-resize;
  user-select: none;
}

.schema-editors > .schema-editor-panel > :is(.CodeMirror, .schema-code),
.formatter-editors > .formatter-editor-panel > :is(.CodeMirror, .schema-code, .html-markdown-preview) {
  min-height: 180px;
  resize: vertical;
}

.schema-editors > .schema-editor-panel > .CodeMirror,
.formatter-editors > .formatter-editor-panel > .CodeMirror {
  overflow: hidden;
}

.schema-editors > .schema-editor-panel > .schema-code,
.formatter-editors > .formatter-editor-panel > :is(.schema-code, .html-markdown-preview) {
  overflow: auto;
}

@media (max-width: 800px) {
  .tool-split-layout {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .tool-splitter {
    display: none;
  }
}