:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --text: #17202a;
  --muted: #5f6c7b;
  --line: #d9e0e7;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --danger: #b42318;
  --code: #102a43;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

button {
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  min-height: 40px;
  padding: 0 16px;
  cursor: pointer;
}

button:hover {
  background: var(--accent-dark);
}

button.secondary {
  border: 1px solid var(--line);
  background: white;
  color: var(--text);
}

button.secondary:hover {
  background: #eef4f5;
}

.hidden {
  display: none !important;
}

.shell {
  min-height: 100vh;
}

.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 50px rgb(23 32 42 / 0.08);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 17px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

input,
select,
textarea {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  color: var(--text);
}

input,
select {
  min-height: 40px;
  padding: 0 10px;
}

textarea {
  width: 100%;
  min-height: 190px;
  resize: vertical;
  padding: 12px;
  line-height: 1.45;
}

.error {
  min-height: 20px;
  margin: 0;
  color: var(--danger);
}

.app-view {
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  background: white;
}

.user-box {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  padding: 18px;
}

.translator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.panel,
.registry-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 16px;
}

.registry-panel {
  padding: 0;
  overflow: hidden;
}

.registry-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.registry-summary::-webkit-details-marker {
  display: none;
}

.registry-summary::before {
  content: "▸";
  color: var(--muted);
  font-size: 14px;
  line-height: 1;
  transition: transform 0.15s ease;
}

.registry-panel[open] .registry-summary::before {
  transform: rotate(90deg);
}

.registry-summary h2 {
  font-size: 17px;
}

.registry-body {
  padding: 0 16px 16px;
}

.panel-head {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
}

.panel-spacer {
  width: 1px;
  height: 1px;
}

.registry-body .filter-input {
  width: 100%;
  margin-bottom: 12px;
}

.patterns {
  max-height: calc(100vh - 190px);
  overflow: auto;
  display: grid;
  gap: 10px;
}

.pattern {
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--code);
  background: #fbfcfd;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

.registry-warning,
.registry-error {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff9ed;
  color: #7a4b00;
  font-size: 13px;
  line-height: 1.45;
}

.registry-error {
  border-color: #f3b4ad;
  background: #fff7f6;
  color: var(--danger);
}

.command-entry,
.type-details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.command-entry {
  overflow: hidden;
}

.command-summary,
.type-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.command-summary::-webkit-details-marker,
.type-summary::-webkit-details-marker,
.registry-summary::-webkit-details-marker {
  display: none;
}

.command-summary::before,
.type-summary::before,
.registry-summary::before {
  content: "▸";
  color: var(--muted);
  line-height: 1;
  transition: transform 0.15s ease;
}

.command-entry[open] .command-summary::before,
.type-details[open] .type-summary::before,
.registry-panel[open] .registry-summary::before {
  transform: rotate(90deg);
}

.command-summary-main {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.command-title-row,
.parameter-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.command-code {
  color: var(--code);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  font-weight: 700;
}

.command-title {
  color: var(--text);
  font-weight: 600;
}

.command-summary-side {
  display: grid;
  justify-items: end;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.command-body {
  display: grid;
  gap: 14px;
  padding: 0 14px 14px;
}

.command-section,
.command-subsection {
  display: grid;
  gap: 8px;
}

.section-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.pattern-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.token {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

.token.literal {
  background: #e8f3f2;
  color: var(--accent-dark);
}

.token.param {
  background: #edf2ff;
  color: #204090;
}

.token.optional {
  opacity: 0.82;
  border-style: dashed;
}

.meaning-text {
  margin: 0;
  color: var(--text);
  line-height: 1.5;
}

.source-meaning {
  margin: 0;
  padding: 8px 10px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  background: #fffefa;
  color: var(--code);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
}

.meaning-variant-list {
  display: grid;
  gap: 8px;
}

.meaning-variant {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
}

.meaning-variant-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.meaning-variant-id {
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
}

.meaning-variant-description {
  color: var(--muted);
  font-size: 12px;
}

.meaning-template {
  display: block;
  color: var(--code);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

.value-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.value-list code {
  color: var(--code);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

.parameter-list {
  display: grid;
  gap: 12px;
}

.parameter-card {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.parameter-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.parameter-label {
  color: var(--text);
  font-weight: 700;
}

.parameter-id,
.parameter-cardinality,
.type-ref,
.command-family,
.command-chapter,
.command-kind,
.command-status {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 8px;
  background: #eef4f5;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.type-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 8px;
  background: #edf2ff;
  color: #204090;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.kind-action {
  background: #e8f3f2;
  color: var(--accent-dark);
}

.kind-information {
  background: #efe7ff;
  color: #5b3aa3;
}

.kind-interrogative {
  background: #fff1dd;
  color: #9a5b00;
}

.status-stub {
  background: #fff1dd;
  color: #9a5b00;
}

.status-needs_review {
  background: #fff7f6;
  color: var(--danger);
}

.parameter-description,
.parameter-hint,
.type-detail-line,
.command-source {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.type-details {
  padding: 0;
}

.type-summary {
  padding: 10px 12px;
}

.type-summary::before {
  margin-right: 4px;
}

.type-body {
  display: grid;
  gap: 10px;
  padding: 0 12px 12px;
}

.lookup-table-wrap {
  display: grid;
  gap: 8px;
}

.lookup-table-title {
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

.lookup-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.lookup-table th,
.lookup-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 12px;
}

.lookup-table th {
  background: #f4f7f8;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.lookup-table td code {
  color: var(--code);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.lookup-table tr:last-child td {
  border-bottom: 0;
}

.result {
  min-height: 130px;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fafc;
  overflow: auto;
}

.result-output {
  margin: 0 0 10px;
  color: var(--code);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 15px;
  white-space: pre-wrap;
}

.result.error-box {
  border-color: #f3b4ad;
  background: #fff7f6;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .patterns {
    max-height: 360px;
  }
}

@media (max-width: 820px) {
  .topbar,
  .user-box,
  .actions {
    align-items: stretch;
    flex-direction: column;
  }

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

  .workspace {
    padding: 12px;
  }
}