:root {
  color-scheme: dark;
  --bg: #1f242d;
  --bg-deep: #11161d;
  --panel: #252a33;
  --panel-soft: #20252e;
  --panel-strong: #2d3440;
  --border: #3a4351;
  --border-soft: #303845;
  --text: #eef4fb;
  --muted: #a7b1bf;
  --accent: #03a9f4;
  --accent-strong: #0288d1;
  --accent-soft: rgb(3 169 244 / 14%);
  --danger: #ff8a80;
  --code: #eef4fb;
  --code-bg: #171c23;
  --format: #03a9f4;
  --topbar-offset: 0px;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 24%);
  --shadow-md: 0 18px 42px rgb(0 0 0 / 32%);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #26313d 0, var(--bg) 240px, var(--bg-deep) 100%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.boot {
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.boot-status {
  margin: 0;
  font-size: 14px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px 10px;
  flex-wrap: wrap;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  background: rgb(31 36 45 / 94%);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.topbar-title {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  flex-wrap: nowrap;
}

.topbar-meta {
  flex: 1 0 100%;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

h1 {
  margin: 0;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 8px;
  flex: none;
  font-size: 15px;
  font-weight: 720;
  letter-spacing: 0;
  white-space: nowrap;
}

h1 span {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 7px;
  border: 1px solid rgb(3 169 244 / 35%);
  border-radius: 999px;
  background: var(--accent-soft);
  color: #81d4fa;
  font-size: 11px;
  font-weight: 700;
}

h1 a {
  color: inherit;
  text-decoration: none;
}

h1 a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

#status {
  min-width: 0;
  margin: 0;
  flex: 0 1 auto;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.spinner {
  width: 12px;
  height: 12px;
  display: inline-block;
  margin-right: 7px;
  border: 2px solid #c8d0da;
  border-top-color: var(--accent);
  border-radius: 50%;
  vertical-align: -2px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

#status.error {
  color: var(--danger);
}

.tech-note {
  flex: 0 0 auto;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.tech-note a {
  color: var(--accent);
  text-decoration: none;
}

.tech-note a:hover {
  text-decoration: underline;
}

.docs-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.docs-nav a {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 8px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}

.docs-nav a:hover {
  background: rgb(255 255 255 / 7%);
  color: var(--text);
}

.controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.version-control {
  display: flex;
  align-items: center;
  grid-template-columns: none;
  gap: 6px;
  white-space: nowrap;
}

.version-control select {
  height: 30px;
  min-width: 132px;
  max-width: 180px;
  padding-left: 8px;
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
}

.topbar button {
  height: 30px;
  padding: 0 9px;
  font-size: 12px;
}

.topbar .docs-nav a {
  height: 30px;
  font-size: 12px;
}

label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}

select,
button,
input {
  height: 32px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  transition:
    border-color 0.16s ease,
    background-color 0.16s ease,
    box-shadow 0.16s ease;
}

select {
  min-width: 150px;
  padding: 0 34px 0 10px;
}

button {
  padding: 0 10px;
  cursor: pointer;
  font-weight: 650;
  white-space: nowrap;
}

button:hover:not(:disabled) {
  border-color: #536174;
  background: #303744;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

#generate {
  min-width: 104px;
  border-color: var(--accent);
  background: var(--accent);
  color: white;
  box-shadow: 0 6px 16px rgb(11 107 203 / 22%);
}

#generate:hover:not(:disabled) {
  background: var(--accent-strong);
}

#auto-generate.is-active {
  border-color: #26a69a;
  background: rgb(38 166 154 / 14%);
  color: #80cbc4;
}

.workspace {
  flex: none;
  display: grid;
  grid-template-columns: minmax(0, var(--pane-left, 1fr)) 12px minmax(0, var(--pane-right, 1fr));
  gap: 0;
  padding: 12px;
  height: clamp(340px, 56vh, 900px);
  min-height: 0;
  background: linear-gradient(180deg, rgb(31 36 45 / 98%), rgb(17 22 29 / 96%));
}

.workspace-splitter {
  position: relative;
  align-self: stretch;
  cursor: col-resize;
  touch-action: none;
}

.workspace-splitter::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 40px;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: var(--border);
  transition: background-color 0.16s ease;
}

.workspace-splitter:hover::before,
.workspace-splitter.is-dragging::before {
  background: var(--accent);
  height: 64px;
}

.pane {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.pane-title {
  position: sticky;
  top: 0;
  z-index: 2;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 10px 0 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-strong);
  color: #c9d4e2;
  font-size: 13px;
  font-weight: 720;
}

.pane-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.input-type-control {
  display: flex;
  align-items: center;
  grid-template-columns: none;
  gap: 8px;
}

.input-type-control select {
  min-width: 146px;
  border-color: color-mix(in srgb, var(--format) 48%, var(--border));
  box-shadow: inset 3px 0 0 var(--format);
}

.pane-title button {
  height: 28px;
  padding: 0 9px;
  font-size: 12px;
}

textarea,
pre {
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0;
  border: 0;
  outline: 0;
  resize: none;
  overflow: auto;
  padding: 12px;
  background: var(--code-bg);
  color: var(--code);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 13px;
  line-height: 1.5;
  tab-size: 2;
  white-space: pre;
}

.is-hidden {
  display: none !important;
}

.editor-mount {
  min-height: 0;
  height: 100%;
  overflow: hidden;
  border-top: 2px solid var(--format);
}

.output-editor-mount {
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

body[data-input-format="openapi"],
body[data-input-format="asyncapi"] {
  --format: #26a69a;
}

body[data-input-format="graphql"] {
  --format: #ec407a;
}

body[data-input-format="xmlschema"] {
  --format: #9575cd;
}

body[data-input-format="csv"] {
  --format: #ffca28;
}

#schema {
  border-top: 2px solid var(--format);
}

.tok-key,
.tok-keyword {
  color: #b39ddb;
  font-weight: 650;
}

.tok-string {
  color: #80cbc4;
}

.tok-number {
  color: #ffca28;
}

.tok-literal {
  color: #f06292;
  font-weight: 650;
}

.tok-comment {
  color: #8a96a8;
}

.tok-type {
  color: #4fc3f7;
  font-weight: 650;
}

pre {
  user-select: text;
}

.options-panel {
  margin: 0 12px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.options-head {
  position: sticky;
  top: var(--topbar-offset);
  z-index: 8;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 10px 7px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-strong);
}

.options-head h2 {
  margin: 0;
  font-size: 15px;
  line-height: 1.2;
}

.options-count {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

#option-filter {
  width: clamp(180px, 30vw, 320px);
  padding: 0 12px;
}

.option-group {
  border-bottom: 1px solid var(--border);
}

.option-group:last-child {
  border-bottom: 0;
}

.option-group summary {
  position: sticky;
  top: calc(var(--topbar-offset) + 44px);
  z-index: 7;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 38px;
  padding: 0 10px 0 12px;
  cursor: pointer;
  color: var(--text);
  font-size: 13px;
  font-weight: 720;
  background: var(--panel);
}

.option-group summary span:last-child {
  min-width: 30px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.option-list-panel {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1px;
  border-top: 1px solid var(--border);
  background: var(--border-soft);
}

.option-row {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 170px;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  background: var(--panel);
}

.option-row:hover {
  background: #2a313d;
}

.option-control-list {
  grid-column: 1 / -1;
  grid-template-columns: minmax(0, 1fr);
  align-items: stretch;
}

.option-control-list .option-widget {
  justify-content: stretch;
}

.option-label {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.option-label code {
  overflow: hidden;
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 12px;
  font-weight: 720;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.option-label span {
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.option-widget {
  min-width: 0;
  display: flex;
  justify-content: flex-end;
}

.option-widget select,
.option-widget input,
.option-widget textarea {
  width: 100%;
  min-width: 0;
  background: var(--panel-soft);
}

.option-widget textarea {
  height: auto;
  min-height: 64px;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.35;
  resize: vertical;
  white-space: pre-wrap;
}

.option-widget input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  justify-self: end;
}

.option-list {
  height: auto;
  min-height: 48px;
  white-space: pre-wrap;
}

.option-note {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.config-dialog {
  width: min(760px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--panel);
  box-shadow: var(--shadow-md);
}

.config-dialog::backdrop {
  background: rgb(15 23 42 / 38%);
}

.config-dialog-body {
  display: grid;
  grid-template-rows: auto minmax(260px, 52vh) auto;
  min-height: min(640px, calc(100vh - 48px));
}

.config-dialog-head,
.config-dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-strong);
}

.config-dialog-actions {
  justify-content: flex-end;
  border-top: 1px solid var(--border);
  border-bottom: 0;
}

.config-dialog h2 {
  margin: 0;
  font-size: 15px;
}

#config-toml {
  min-height: 0;
  border: 0;
  border-radius: 0;
  background: var(--code-bg);
  white-space: pre;
}

@media (min-width: 841px) {
  .workspace {
    position: sticky;
    top: calc(var(--topbar-offset) + 8px);
    z-index: 12;
    min-height: 200px;
    max-height: calc(100vh - var(--topbar-offset) - 16px);
    resize: vertical;
    overflow: auto;
    box-shadow: 0 18px 28px rgb(0 0 0 / 24%);
  }

  .options-panel {
    scroll-margin-top: calc(var(--topbar-offset) + 16px);
  }
}

body.header-compact .topbar {
  padding: 4px 10px;
}

body.header-compact .topbar-meta,
body.header-compact .docs-nav {
  display: none;
}

body.header-compact h1 {
  font-size: 16px;
}

body.header-compact h1 span {
  height: 18px;
  font-size: 10px;
}

body.header-compact .controls {
  gap: 5px;
}

body.header-compact .topbar button {
  height: 28px;
  padding: 0 8px;
  font-size: 12px;
}

body.header-compact .version-control select {
  height: 28px;
  min-width: 120px;
}

body.header-compact #generate {
  min-width: 88px;
}

body.workspace-collapsed .workspace {
  height: 62px;
  min-height: 62px;
  max-height: 62px;
  resize: none;
  overflow: hidden;
}

body.workspace-collapsed .pane {
  grid-template-rows: auto 0;
}

body.workspace-collapsed #schema,
body.workspace-collapsed #output,
body.workspace-collapsed .editor-mount,
body.workspace-collapsed .output-editor-mount {
  display: none;
}

@media (max-width: 840px) {
  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .docs-nav {
    margin-left: 0;
    overflow-x: auto;
  }

  .controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  #generate {
    grid-column: 1 / -1;
  }

  .controls label,
  .controls select,
  .controls button,
  #generate {
    width: 100%;
  }

  .pane-title {
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 10px 12px;
  }

  .pane-actions {
    flex: 1 1 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .input-type-control {
    flex: 1 1 170px;
  }

  .input-type-control select {
    flex: 1;
    min-width: 0;
  }

  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(300px, 42vh) minmax(260px, 36vh);
    gap: 12px;
    height: auto;
    resize: none;
  }

  .workspace-splitter {
    display: none;
  }

  .option-list-panel {
    grid-template-columns: 1fr;
  }

  .option-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .option-widget {
    justify-content: stretch;
  }
}