/* Lab palettes share the saved preference and controller with the landing page. */
:root {
  --illumination: 0;
  --bg: #0c0f0c;
  --lab-card: #10150f;
  --lab-control: #141a10;
  --lab-field: #080c07;
  --lab-inset: #0c100a;
  --lab-selected: #1a2112;
  --lab-selected-line: #526d2c;
  --lab-positive: #b9d68f;
  --lab-danger: #ffb69c;
  --lab-danger-bg: #2c1813;
  --lab-danger-line: #69432c;
  --lab-warning: #bec997;
  --lab-warning-bg: #1c2210;
  --lab-action-bg: #ccfb5b;
  --lab-action-ink: #11170c;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --illumination: 1;
  --bg: #f2f2e8;
  --panel: #fffef8;
  --ink: #253229;
  --muted: #56634f;
  --line: #c3cbbb;
  --accent: #426519;
  --lab-card: #fffef8;
  --lab-control: #e9eddf;
  --lab-field: #ffffff;
  --lab-inset: #f3f5ec;
  --lab-selected: #e4edda;
  --lab-selected-line: #849d60;
  --lab-positive: #426519;
  --lab-danger: #9b3720;
  --lab-danger-bg: #fff0e9;
  --lab-danger-line: #cb9684;
  --lab-warning: #675615;
  --lab-warning-bg: #f5efd6;
  --lab-action-bg: #426519;
  --lab-action-ink: #ffffff;
  color-scheme: light;
}
.lab-header-tools {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}
.lab-header-tools .text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.theme-toggle {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--lab-control);
  color: var(--ink);
  display: grid;
  place-items: center;
  padding: 10px;
}
.theme-toggle svg { width: 22px; height: 22px; }
.theme-orbit { fill: none; stroke: currentColor; stroke-width: 1; }
.theme-material {
  fill: var(--accent);
  transform-origin: 12px 12px;
  transform: rotate(calc(var(--illumination, 0) * 180deg));
}
.theme-marker { fill: var(--accent); }
.theme-toggle:hover { border-color: var(--accent); }
.mobile-mode-picker { display: none; }
.lab-page .primary {
  background: var(--lab-action-bg);
  border-color: var(--lab-action-bg);
  color: var(--lab-action-ink);
}
.lab-page .primary:hover { filter: brightness(1.1); }
.lab-page .header { background: var(--bg); }
.lab-page, .record-card, .result-card, .theme-toggle,
.project-toolbar button, .field-label input, .field-label select,
.field-label textarea, dialog {
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}
.lab-page {
  background: var(--bg);
}
.lab-page .header {
  max-width: none;
}
.lab-layout {
  max-width: 1500px;
  margin: auto;
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  min-height: calc(100vh - 160px);
}
.lab-sidebar {
  min-width: 0;
  padding: 40px 24px 40px 35px;
  border-right: 1px solid var(--line);
}
.lab-sidebar > nav {
  display: grid;
  gap: 8px;
  margin-top: 22px;
}
.mode-button {
  border: 1px solid transparent;
  display: flex;
  align-items: flex-start;
  gap: 13px;
  text-align: left;
  background: transparent;
  color: var(--muted);
  padding: 15px 12px;
  border-radius: 3px;
  transition:
    background 0.25s,
    color 0.25s;
}
.mode-button:hover {
  color: var(--ink);
  background: var(--lab-control);
}
.mode-button[aria-current="true"] {
  color: var(--accent);
  background: var(--lab-selected);
  border-color: var(--lab-selected-line);
}
.mode-button > span:first-child {
  font:
    11px Consolas,
    monospace;
  padding-top: 3px;
}
.mode-button > span:last-child {
  font-size: 13px;
  line-height: 1.4;
}
.mode-button small {
  display: block;
  font:
    8px Consolas,
    monospace;
  color: var(--muted);
  letter-spacing: 0.5px;
  margin-top: 7px;
}
.sidebar-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-top: 1px solid var(--line);
  margin-top: 38px;
  padding-top: 23px;
}
.sidebar-note .status-dot {
  margin-top: 6px;
}
.sidebar-note p {
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
}
.telegram-note {
  margin-top: 35px;
}
.telegram-note h2 {
  font-size: 13px;
  letter-spacing: 0;
}
.telegram-note p {
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
  margin-top: 10px;
}
.telegram-note a {
  font-size: 11px;
  margin-top: 15px;
  color: var(--accent);
}
.workspace {
  padding: 42px 45px 80px;
  min-width: 0;
}
.workspace-heading h1 {
  font-weight: 450;
  font-size: 38px;
  letter-spacing: -1.5px;
  line-height: 1.15;
  margin-top: 15px;
}
.workspace-heading > p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 690px;
  margin-top: 16px;
}
.project-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.project-toolbar button,
.export-buttons button,
.small-button {
  border: 1px solid var(--line);
  background: var(--lab-control);
  color: var(--ink);
  border-radius: 3px;
  padding: 10px 12px;
  font-size: 11px;
  transition:
    border-color 0.25s,
    color 0.25s;
}
.project-toolbar button:hover,
.export-buttons button:hover,
.small-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.project-toolbar button[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--lab-selected-line);
}
.project-status {
  font:
    10px/1.8 Consolas,
    monospace;
  color: var(--lab-positive);
  margin-top: 14px;
  min-height: 20px;
}
.error-box {
  background: var(--lab-danger-bg);
  color: var(--lab-danger);
  border: 1px solid var(--lab-danger-line);
  padding: 18px;
  font-size: 12px;
  line-height: 1.7;
  white-space: pre-wrap;
  margin-top: 18px;
  overflow-wrap: anywhere;
}
.editor-tabs {
  display: flex;
  overflow-x: auto;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  margin-top: 26px;
}
.editor-tabs button {
  color: var(--muted);
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 14px 0;
  font-size: 12px;
  white-space: nowrap;
}
.editor-tabs button[aria-selected="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
#form-editor {
  margin-top: 25px;
  min-height: 250px;
}
.record-list {
  display: grid;
  gap: 15px;
}
.record-card {
  border: 1px solid var(--line);
  background: var(--lab-card);
  border-radius: 4px;
  padding: 22px;
  min-width: 0;
}
.record-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 19px;
}
.record-title {
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.record-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.record-actions button,
.map-add,
.map-remove {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 3px;
  font-size: 10px;
  padding: 7px 9px;
}
.record-actions button:hover,
.map-add:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.record-actions .delete:hover,
.map-remove:hover {
  color: var(--lab-danger);
  border-color: var(--lab-danger);
}
.fields-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 20px;
  row-gap: 18px;
}
.field-label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
  min-width: 0;
}
.field-label input,
.field-label select,
.field-label textarea,
#dialog-input {
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  background: var(--lab-field);
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  font-size: 13px;
  transition: border-color 0.2s;
}
.field-label input:focus,
.field-label select:focus,
.field-label textarea:focus {
  border-color: #9dc044;
  outline: 0;
  box-shadow: 0 0 0 2px #ccfb5b18;
}
.field-label textarea {
  min-height: 65px;
  resize: vertical;
}
.nested-fields {
  grid-column: 1/-1;
  border: 0;
  padding: 0;
  margin: 6px 0;
  min-width: 0;
}
.nested-fields > legend {
  font:
    9px Consolas,
    monospace;
  letter-spacing: 1px;
  color: var(--muted);
  padding: 0;
  margin-bottom: 14px;
}
.nested-fields > .fields-grid {
  background: var(--lab-inset);
  padding: 16px;
  border-left: 2px solid var(--lab-selected-line);
}
.map-entry {
  display: flex;
  align-items: flex-end;
  gap: 6px;
}
.map-entry .field-label {
  flex: 1;
}
.map-remove {
  padding: 11px 7px;
}
.map-add {
  margin-top: 12px;
}
.add-record {
  display: flex;
  justify-content: center;
  margin-top: 18px;
  padding: 16px;
  width: 100%;
  border: 1px dashed var(--lab-selected-line);
  background: var(--lab-selected);
  color: var(--lab-positive);
  border-radius: 4px;
  font-size: 12px;
}
.add-record:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.empty-block {
  padding: 45px 15px;
  border: 1px dashed var(--line);
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}
.composition-total {
  font:
    10px Consolas,
    monospace;
  color: var(--accent);
  margin-top: 12px;
}
.composition-total.invalid {
  color: var(--lab-danger);
}
.method-details {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: 35px;
  padding: 18px 0;
}
.method-details summary {
  font-size: 12px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  list-style: none;
  color: var(--muted);
}
.method-details summary span {
  color: var(--accent);
}
.method-details p {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  margin-top: 15px;
}
.calculate-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 27px 0;
}
.calculate-bar p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}
.calculate-bar .pill {
  padding: 14px 22px;
  flex-shrink: 0;
}
button:disabled {
  opacity: 0.5;
  cursor: wait;
}
.results {
  border-top: 1px solid var(--line);
  padding-top: 32px;
  margin-top: 10px;
}
.result-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 25px;
}
.result-heading h2 {
  font-size: 30px;
  letter-spacing: -1px;
}
.result-heading h2 span {
  font:
    10px Consolas,
    monospace;
  color: var(--muted);
  margin-left: 15px;
}
.export-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.warning {
  font-size: 12px;
  line-height: 1.7;
  padding: 13px 16px;
  border-left: 2px solid var(--lab-warning);
  background: var(--lab-warning-bg);
  color: var(--lab-warning);
  margin-bottom: 13px;
}
.result-card {
  margin-top: 16px;
  border: 1px solid var(--line);
  padding: 22px;
  background: var(--lab-card);
  border-radius: 4px;
  min-width: 0;
}
.result-card:first-child {
  border-color: var(--lab-selected-line);
}
.result-card.noncompliant {
  border-color: var(--lab-danger-line);
}
.result-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}
.result-card h3 {
  font-size: 19px;
  font-weight: 450;
  letter-spacing: -0.5px;
  overflow-wrap: anywhere;
}
.rank-badge {
  font:
    10px Consolas,
    monospace;
  color: var(--muted);
  display: block;
  margin-bottom: 9px;
}
.result-value {
  font-size: 34px;
  color: var(--accent);
  font-weight: 350;
  letter-spacing: -1px;
  white-space: nowrap;
}
.result-value small {
  font-size: 12px;
  color: var(--muted);
  margin-left: 5px;
}
.result-bar {
  height: 4px;
  background: var(--line);
  margin: 20px 0 14px;
  overflow: hidden;
}
.result-bar span {
  display: block;
  height: 100%;
  background: var(--accent);
  transition: width 0.7s;
}
.result-status {
  font-size: 11px;
  color: var(--lab-positive);
  line-height: 1.7;
}
.noncompliant .result-status {
  color: var(--lab-danger);
}
.result-detail {
  border-top: 1px solid var(--line);
  padding-top: 15px;
  margin-top: 18px;
}
.result-detail summary {
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
}
.result-data {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 20px 0 0;
  font-size: 11px;
}
.result-data dt {
  color: var(--muted);
  line-height: 1.5;
}
.result-data dd {
  margin: 6px 0 0;
  color: var(--ink);
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}
.model-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 15px;
  margin-top: 25px;
}
.model-metrics > div {
  padding: 14px;
  background: var(--lab-selected);
}
.model-metrics span {
  display: block;
  font:
    9px Consolas,
    monospace;
  color: var(--muted);
}
.model-metrics strong {
  display: block;
  font-size: 26px;
  color: var(--accent);
  font-weight: 400;
  margin-top: 8px;
}
.model-equation {
  font:
    11px/1.9 Consolas,
    monospace;
  color: var(--muted);
  overflow-wrap: anywhere;
  padding: 18px 0 0;
}
.comparison-chart {
  width: 100%;
  height: auto;
  margin-top: 20px;
  overflow: visible;
}
.chart-caption {
  font:
    10px Consolas,
    monospace;
  color: var(--muted);
  margin-top: 12px;
}
.lab-footer {
  max-width: 1500px;
  margin: auto;
  border-top: 1px solid var(--line);
  padding: 24px 35px;
  font:
    9px Consolas,
    monospace;
  letter-spacing: 1px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 25px;
}
.lab-footer span {
  font:
    11px "Segoe UI",
    sans-serif;
  color: var(--muted);
  letter-spacing: 0;
}
#json-panel {
  margin-top: 20px;
}
#json-source {
  width: 100%;
  display: block;
  font:
    12px/1.7 Consolas,
    monospace;
  background: var(--lab-field);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 18px;
  border-radius: 3px;
  margin: 10px 0;
  resize: vertical;
  tab-size: 2;
}
dialog {
  background: var(--lab-card);
  color: var(--ink);
  border: 1px solid var(--lab-selected-line);
  border-radius: 6px;
  max-width: 460px;
  width: calc(100% - 40px);
  padding: 28px;
}
dialog::backdrop {
  background: #000a;
  backdrop-filter: blur(4px);
}
dialog h2 {
  font-size: 25px;
  letter-spacing: -0.7px;
}
dialog p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  margin: 17px 0 24px;
}
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
}
.dialog-actions button:first-child {
  color: var(--muted);
  background: transparent;
  border: 0;
  font-size: 12px;
}
#dialog-input-label {
  font-size: 12px;
  color: var(--muted);
}
#dialog-input {
  margin-top: 9px;
  margin-bottom: 25px;
}
button[hidden],
a[hidden],
div[hidden],
section[hidden],
label[hidden],
input[hidden] {
  display: none !important;
}
@media (max-width: 1100px) {
  .lab-layout {
    grid-template-columns: 230px minmax(0, 1fr);
  }
  .workspace {
    padding: 35px 28px 65px;
  }
  .lab-sidebar {
    padding-left: 22px;
    padding-right: 17px;
  }
  .workspace-heading h1 {
    font-size: 33px;
  }
  .project-toolbar {
    gap: 6px;
  }
  .project-toolbar button {
    font-size: 10px;
  }
  .result-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 15px;
  }
}
@media (max-width: 800px) {
  .lab-layout {
    grid-template-columns: 1fr;
  }
  .lab-sidebar {
    padding: 24px 24px 0;
    border: 0;
  }
  .lab-sidebar > nav {
    display: none;
  }
  .sidebar-note,
  .telegram-note {
    display: none;
  }
  .workspace {
    padding: 26px 24px 60px;
  }
  .lab-page .header > .eyebrow {
    display: none;
  }
  .lab-footer {
    padding: 22px 24px;
    flex-direction: column;
    gap: 12px;
  }
  .workspace-heading h1 {
    font-size: 35px;
  }
}
@media (max-width: 520px) {
  .workspace {
    padding-left: 18px;
    padding-right: 18px;
  }
  .lab-sidebar {
    padding-left: 18px;
    padding-right: 18px;
  }
  .workspace-heading h1 {
    font-size: 31px;
  }
  .workspace-heading > p {
    font-size: 12px;
  }
  .project-toolbar button {
    padding: 10px;
  }
  .editor-tabs {
    gap: 18px;
  }
  .editor-tabs button {
    font-size: 11px;
  }
  .record-card {
    padding: 16px;
  }
  .fields-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .record-top {
    gap: 10px;
  }
  .record-actions {
    gap: 5px;
  }
  .record-actions button {
    font-size: 9px;
    padding: 6px;
  }
  .record-title {
    font-size: 12px;
  }
  .nested-fields > .fields-grid {
    padding: 12px;
  }
  .calculate-bar {
    align-items: flex-start;
    flex-direction: column;
  }
  .calculate-bar .pill {
    width: 100%;
  }
  .result-card {
    padding: 17px;
  }
  .result-card h3 {
    font-size: 17px;
  }
  .result-value {
    font-size: 28px;
  }
  .model-metrics {
    gap: 8px;
  }
  .model-metrics > div {
    padding: 12px;
  }
  .model-metrics strong {
    font-size: 20px;
  }
  .result-data {
    grid-template-columns: 1fr;
  }
  .lab-footer {
    font-size: 8px;
  }
  .project-status {
    font-size: 9px;
  }
}
@media (max-width: 800px) {
  .telegram-note:target {
    display: block;
    margin: 15px 0;
    padding: 15px;
    border: 1px solid var(--line);
  }
}

/* Contain controls at their natural width instead of hiding page overflow. */
.record-title, .result-card-header > div { min-width: 0; }
.project-status, .field-label, .result-status, .model-metrics strong {
  overflow-wrap: anywhere;
}
@media (max-width: 800px) {
  .lab-layout { grid-template-columns: minmax(0, 1fr); }
  .lab-sidebar > .eyebrow { display: none; }
  .mobile-mode-picker { display: grid; gap: 10px; }
  .mobile-mode-picker select {
    width: 100%;
    min-width: 0;
    min-height: 48px;
    padding: 12px;
    border: 1px solid var(--lab-selected-line);
    border-radius: 4px;
    background: var(--lab-selected);
    color: var(--ink);
    font-size: 16px;
  }
  .field-label input, .field-label select, .field-label textarea,
  #dialog-input, #json-source { font-size: 16px; min-height: 44px; }
  .project-toolbar button, .export-buttons button, .small-button,
  .record-actions button, .map-add, .map-remove, .editor-tabs button {
    min-height: 44px;
    font-size: 12px;
  }
  .map-remove { min-width: 44px; }
}
@media (max-width: 520px) {
  .lab-page .header { padding: 0 18px; }
  .lab-header-tools { gap: 10px; }
  .lab-header-tools .text-link { font-size: 11px; gap: 8px; }
  .workspace-heading h1 { font-size: clamp(26px, 7.5vw, 31px); }
  .workspace-heading > p { font-size: 14px; }
  .project-toolbar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-toolbar button { padding: 10px 6px; overflow-wrap: anywhere; }
  .record-top { align-items: flex-start; flex-direction: column; }
  .record-actions { width: 100%; }
  .record-actions button { flex: 1; }
  .field-label { font-size: 13px; }
  .nested-fields > legend { line-height: 1.7; overflow-wrap: anywhere; }
  .result-card-header { flex-direction: column; gap: 12px; }
  .result-value { white-space: normal; overflow-wrap: anywhere; }
  .model-metrics { grid-template-columns: minmax(0, 1fr); }
  .model-metrics > div { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
  .model-metrics strong { margin-top: 0; }
  .export-buttons { width: 100%; }
  .export-buttons button { flex: 1 1 auto; }
  .result-heading h2 { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; }
  .result-heading h2 span { margin-left: 0; }
  .project-status { font-size: 11px; }
  .lab-footer, .lab-footer span { font-size: 11px; line-height: 1.7; }
  dialog { padding: 22px; max-height: calc(100dvh - 40px); overflow-y: auto; }
  .dialog-actions { gap: 12px; flex-wrap: wrap; }
  .dialog-actions button { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  .lab-page *, .lab-page *::before, .lab-page *::after {
    transition: none !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
}