/* src/design/workspace.css */
:root {
  font-family: var(--tni-sans);
  font-size: 14px;
  color: var(--tni-ink);
  background: var(--tni-bg);
  color-scheme: dark;
  --error-ink: #f3aaa2;
  --error-surface: #30201f;
}
* {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
body {
  margin: 0;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
@media (max-height: 600px) {
  body {
    min-height: 640px;
    overflow-y: auto;
  }
}
button,
input,
select,
textarea {
  font: inherit;
}
button {
  min-height: var(--tni-button-height);
  padding: 8px 16px;
  border: 1px solid var(--tni-line);
  border-radius: var(--tni-corner);
  background: var(--tni-button-secondary-background);
  color: var(--tni-button-secondary-foreground);
  font-weight: 600;
  cursor: pointer;
}
button:hover:not(:disabled) {
  border-color: var(--tni-dim);
  background: var(--tni-line);
}
button.primary {
  background: var(--tni-button-primary-background);
  color: var(--tni-button-primary-foreground);
  border-color: var(--tni-ink);
}
button.primary:hover:not(:disabled) {
  background: #fff;
}
button.quiet {
  background: var(--tni-button-quiet-background);
  border-color: transparent;
}
button:disabled {
  opacity: 0.4;
  cursor: default;
}
:where(button, a, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: var(--tni-focus-ring) solid #fff;
  outline-offset: 3px;
}
a {
  color: inherit;
}
.app-header {
  height: 68px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 10px 20px;
  background: var(--tni-bg);
  border-bottom: 1px solid var(--tni-line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 176px;
  color: var(--tni-ink);
  text-decoration: none;
}
.brand img {
  width: 26px;
  height: auto;
}
.brand strong {
  display: block;
  font-size: 26px;
  letter-spacing: 0.04em;
  line-height: 1;
}
.brand small {
  display: block;
  font-size: 10px;
  margin-top: 5px;
  color: var(--tni-dim);
}
.workspace-title {
  border-left: 1px solid var(--tni-line);
  padding-left: 20px;
}
.workspace-title p,
.app-header p {
  font-size: 11px;
  color: var(--tni-dim);
  margin: 0 0 4px;
}
h1 {
  font-size: 20px;
  line-height: 1.4;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.save-state {
  font-size: 11px;
  color: var(--tni-dim);
  margin-right: 8px;
}
.workspace-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 0 20px;
  background: var(--tni-surface);
  border-bottom: 1px solid var(--tni-line);
}
.workspace-bar .panel-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 12px;
  font-size: 12px;
}
.control-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.workspace-context {
  font: 10px var(--tni-mono);
  color: var(--tni-faint);
  margin-right: auto;
  white-space: nowrap;
}
.workspace-switcher {
  order: 0;
}
.workspace-context {
  order: 1;
}
.workspace-bar .evaluation {
  order: 2;
  margin-left: 0;
}
.workspace-bar .attempt-label {
  order: 3;
}
.workspace-bar .panel-toggle {
  order: 4;
}
.workspace-bar .focus-workspace {
  order: 5;
}
.workspace-bar .inspector-toggle {
  order: 6;
}
.workspace-bar .panel-toggle[aria-expanded=true] {
  color: var(--tni-ink);
  background: var(--tni-raised);
}
.workspace-bar .panel-toggle[aria-expanded=false] {
  color: var(--tni-dim);
}
.inspector-toggle {
  border-left: 1px solid var(--tni-line) !important;
}
.workspace-meta,
.attempt-label,
.section-code,
.eyebrow {
  font-family: var(--tni-mono);
  font-size: 10px;
  line-height: 1.5;
  color: var(--tni-dim);
}
.workspace-meta span {
  padding: 0 8px;
  color: var(--tni-faint);
}
.evaluation {
  font-size: 11px;
  color: var(--tni-dim);
  margin-left: auto;
}
.attempt-label {
  padding-left: 16px;
  border-left: 1px solid var(--tni-line);
}
.design-workspace {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.assignment,
.inspector {
  flex-shrink: 0;
  width: 256px;
  min-width: 232px;
  max-width: 420px;
  padding: 20px;
  background: var(--tni-surface);
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--tni-line) transparent;
  overscroll-behavior: contain;
}
.inspector {
  width: 328px;
  min-width: 304px;
  max-width: 500px;
}
.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
h2 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}
h3 {
  font-size: 12px;
  font-weight: 600;
  margin: 24px 0 12px;
}
.task-title {
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: -0.025em;
  margin: 12px 0;
}
p {
  font-size: 13px;
  line-height: 1.65;
  margin: 12px 0;
  color: var(--tni-dim);
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 24px 0 8px;
}
.tab-list {
  display: flex;
  border-bottom: 1px solid var(--tni-line);
  gap: 20px;
  margin-bottom: 20px;
}
.tab-list button {
  border: 0;
  border-radius: 0;
  padding: 0 0 12px;
  min-height: 40px;
  color: var(--tni-dim);
  background: transparent;
  font-size: 12px;
  position: relative;
}
.tab-list button[aria-selected=true] {
  color: var(--tni-ink);
}
.tab-list button[aria-selected=true]::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--tni-ink);
}
.tab-list button:hover:not(:disabled) {
  background: transparent;
  color: var(--tni-ink);
}
.source-link {
  display: flex;
  text-align: left;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 0;
  margin-top: 20px;
  border: 0;
  border-top: 1px solid var(--tni-line);
  border-bottom: 1px solid var(--tni-line);
  border-radius: 0;
  background: transparent;
}
.source-link strong {
  display: block;
  font-size: 12px;
  font-weight: 500;
}
.source-link small {
  display: block;
  font-size: 10px;
  color: var(--tni-dim);
  margin-top: 4px;
  font-weight: 400;
}
.source-link > span:last-child {
  margin-left: auto;
}
.file-code {
  font-family: var(--tni-mono);
  font-size: 11px;
  color: var(--tni-dim);
}
.source-meta,
.field-hint {
  font-size: 11px;
  line-height: 1.5;
  color: var(--tni-faint);
  margin: 8px 0;
}
.output-list {
  padding: 0;
  list-style: none;
  counter-reset: output;
}
.output-list li {
  counter-increment: output;
  display: flex;
  gap: 12px;
  font-size: 12px;
  line-height: 1.5;
  margin: 0 0 12px;
  color: var(--tni-dim);
}
.output-list li::before {
  content: "0" counter(output);
  font-family: var(--tni-mono);
  font-size: 10px;
  color: var(--tni-faint);
  padding-top: 2px;
}
details.guide {
  border-top: 1px solid var(--tni-line);
  margin-top: 16px;
}
summary {
  cursor: pointer;
  font-size: 12px;
  line-height: 1.5;
  min-height: 44px;
  padding: 12px 0;
  color: var(--tni-ink);
}
.guide p {
  font-size: 11px;
}
.panel-splitter {
  flex: 0 0 8px;
  position: relative;
  background: var(--tni-bg);
  cursor: col-resize;
  touch-action: none;
}
.panel-splitter::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 45%;
  width: 2px;
  height: 32px;
  border-radius: 2px;
  background: var(--tni-line);
}
.panel-splitter:hover::after,
.panel-splitter:focus-visible::after {
  background: var(--tni-dim);
}
.panel-splitter:focus-visible {
  outline: 2px solid var(--tni-ink);
  outline-offset: -2px;
}
.canvas-region {
  flex: 1;
  min-width: 0;
  min-height: 0;
  background: var(--tni-bg);
}
#viewer {
  width: 100%;
  height: 100%;
}
.drawing-canvas {
  display: flex;
  flex-direction: column;
}
.drawing-canvas #viewer {
  flex: 1;
  min-height: 0;
  height: auto;
}
.drawing-context {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 36px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--tni-line);
  background: var(--tni-surface);
  font-size: 12px;
  color: var(--tni-ink);
}
.drawing-provenance {
  font: 10px var(--tni-mono);
  color: var(--tni-faint);
}
label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  margin: 16px 0 8px;
  color: var(--tni-dim);
}
input,
select,
textarea {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--tni-line);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--tni-ink);
  background: var(--tni-bg);
  font-size: 13px;
  line-height: 1.5;
}
input::placeholder,
textarea::placeholder {
  color: var(--tni-faint);
  opacity: 1;
}
select {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 34px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%239A9BA2' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
textarea {
  resize: vertical;
}
.field-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 88px;
  gap: 12px;
}
.quantity-selection {
  font-size: 12px;
  line-height: 1.6;
  margin: 0 0 16px;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--tni-line);
  color: var(--tni-dim);
  white-space: normal;
}
.quantity-editor {
  margin-bottom: 24px;
}
.quantity-editor > summary {
  background: var(--tni-raised);
  border: 1px solid var(--tni-line);
  border-radius: 6px;
  padding: 12px;
  font-weight: 500;
}
.quantity-editor[open] > summary {
  border-color: var(--tni-dim);
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.form-actions .primary {
  flex: 1;
  font-size: 11px;
  padding: 8px 12px;
}
.form-actions .quiet {
  font-size: 11px;
  padding: 8px;
}
.takeoff-item {
  padding: 20px 0;
  border-top: 1px solid var(--tni-line);
}
.takeoff-item strong {
  font-size: 13px;
  font-weight: 500;
}
.takeoff-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.takeoff-total {
  flex-shrink: 0;
  font: 14px var(--tni-mono);
  color: var(--tni-ink);
}
.takeoff-note {
  margin-top: 8px;
  overflow-wrap: anywhere;
}
.takeoff-toolbar {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
}
.takeoff-toolbar button {
  font-size: 12px;
  padding: 8px 12px;
}
.takeoff-toolbar > button:first-child {
  flex: 1;
  text-align: left;
}
.takeoff-toolbar .quiet {
  padding: 8px;
  min-width: 36px;
  font-size: 20px;
}
.takeoff-item p {
  margin: 8px 0;
  color: var(--tni-ink);
  font-size: 12px;
}
.takeoff-item small {
  display: block;
  font-size: 11px;
  line-height: 1.6;
  color: var(--tni-dim);
}
.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.row-actions button {
  padding: 8px;
  font-size: 11px;
  min-height: 44px;
  background: transparent;
  border-color: transparent;
  color: var(--tni-dim);
}
.row-actions button:first-child {
  padding-left: 0;
}
.empty-state {
  padding: 24px 0;
}
.empty-state strong {
  display: block;
  font-size: 14px;
  font-weight: 500;
}
.empty-state p {
  font-size: 12px;
}
.bom-row {
  padding: 16px 0;
  display: flex;
  align-items: baseline;
  gap: 16px;
  justify-content: space-between;
  border-bottom: 1px solid var(--tni-line);
  font-size: 12px;
  line-height: 1.6;
}
.bom-row strong {
  font-family: var(--tni-mono);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}
.note {
  color: var(--tni-dim);
  font-size: 11px;
  line-height: 1.7;
}
.bom-guidance {
  margin-top: 24px;
}
.notice:empty {
  display: none;
}
.notice {
  flex-shrink: 0;
  font-size: 12px;
  line-height: 1.5;
  padding: 12px 24px;
  background: var(--tni-raised);
  border-bottom: 1px solid var(--tni-line);
}
.error {
  color: var(--error-ink) !important;
}
.notice.error {
  background: var(--error-surface);
}
.review-list {
  display: grid;
  gap: 8px;
  margin: 16px 0 24px;
}
.review-list button {
  font: 11px var(--tni-mono);
  text-align: left;
}
.review-key,
.review-output {
  white-space: pre-wrap;
  font-size: 11px;
  line-height: 1.75;
  color: var(--tni-dim);
  overflow-wrap: anywhere;
}
.review-output {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--tni-line);
}
.review-inspector {
  width: 360px;
}
.review-save {
  margin-top: 16px;
  width: 100%;
}
.history {
  font-size: 11px;
  line-height: 1.6;
  white-space: pre-wrap;
}
.history button {
  width: 100%;
  margin: 4px 0;
  text-align: left;
  font-size: 10px;
}
.compact-navigation {
  display: none;
}
.workspace-switcher {
  position: relative;
  flex-shrink: 0;
  z-index: 30;
  border-right: 1px solid var(--tni-line);
  padding-right: 16px;
}
.workspace-switcher > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  padding: 12px 4px;
  font-weight: 600;
}
.workspace-switcher > summary::-webkit-details-marker {
  display: none;
}
.workspace-switcher > summary::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  margin-left: 12px;
}
.workspace-switcher[open] > summary::after {
  transform: rotate(225deg);
}
.workspace-switcher nav {
  position: absolute;
  top: calc(100% + 8px);
  left: -4px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 660px;
  max-width: calc(100vw - 32px);
  max-height: calc(100dvh - 180px);
  overflow: auto;
  padding: 12px;
  border: 1px solid var(--tni-line);
  border-radius: 8px;
  background: var(--tni-surface);
  box-shadow: 0 12px 36px #0006;
}
.workspace-menu-heading {
  position: relative;
  grid-column: 1 / -1;
  padding: 8px 12px 20px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--tni-line);
}
.workspace-menu-heading strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
}
.workspace-menu-heading > span {
  display: block;
  margin-top: 6px;
  color: var(--tni-dim);
  font-size: 12px;
}
.workspace-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 12px;
  border-radius: 4px;
  color: var(--tni-dim);
  text-decoration: none;
}
.workspace-link > span:nth-child(2) {
  flex: 1;
  min-width: 0;
}
.workspace-link-indicator {
  align-self: flex-start;
  font-size: 10px;
  color: var(--tni-faint);
}
.workspace-link strong {
  font-size: 13px;
  font-weight: 500;
}
.workspace-link small {
  display: block;
  font-size: 11px;
  line-height: 1.5;
  margin-top: 3px;
  color: var(--tni-dim);
}
.workspace-code {
  font: 10px var(--tni-mono);
  width: 30px;
  flex-shrink: 0;
}
.workspace-link:hover,
.workspace-link[aria-current=page] {
  color: var(--tni-ink);
  background: var(--tni-raised);
}
.workspace-link[aria-current=page] {
  box-shadow: inset 2px 0 var(--tni-ink);
}
.focus-workspace {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  padding: 8px 12px;
  color: var(--tni-dim);
}
.focus-workspace[aria-pressed=true] {
  background: var(--tni-raised);
  color: var(--tni-ink);
  border-color: var(--tni-dim);
}
@media (min-width: 981px) {
  body[data-focus=true] .assignment,
  body[data-focus=true] .inspector,
  body[data-focus=true] .panel-splitter {
    display: none;
  }
}
.skip-workspace {
  position: fixed;
  left: 16px;
  top: -100px;
  z-index: 100;
  padding: 12px 16px;
  background: var(--tni-ink);
  color: var(--tni-inverse);
  border-radius: 4px;
}
.skip-workspace:focus {
  top: 12px;
}
.finish-attempt {
  color: var(--tni-dim);
  font-size: 12px;
}
.save-button {
  font-size: 12px;
  background: var(--tni-button-primary-background);
  color: var(--tni-button-primary-foreground);
  border-color: var(--tni-ink);
}
.save-button:hover:not(:disabled) {
  background: #fff;
  border-color: #fff;
}
.app-header > .save-state {
  margin-left: auto;
}
.quantity-selection[data-selected=true] {
  color: var(--tni-ink);
  border-bottom-color: var(--tni-dim);
}
.task-sequence {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  counter-reset: task-step;
}
.task-sequence li {
  counter-increment: task-step;
  position: relative;
  padding: 0 0 20px 32px;
}
.task-sequence li::before {
  content: "0" counter(task-step);
  position: absolute;
  left: 0;
  top: 1px;
  font: 10px var(--tni-mono);
  color: var(--tni-faint);
}
.task-sequence li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 20px;
  bottom: 7px;
  width: 1px;
  background: var(--tni-line);
}
.task-sequence strong {
  display: block;
  font-size: 13px;
  font-weight: 500;
}
.task-sequence p {
  font-size: 12px;
  margin: 5px 0 0;
}
dialog.finish-dialog {
  width: 480px;
  max-width: calc(100vw - 32px);
  padding: 32px;
  border: 1px solid var(--tni-line);
  border-radius: 12px;
  background: var(--tni-surface);
  color: var(--tni-ink);
}
.finish-dialog::backdrop {
  background: #0009;
}
.finish-dialog .eyebrow {
  margin: 0 0 12px;
}
.finish-dialog h2 {
  font-size: 24px;
}
.finish-dialog .form-actions {
  margin-top: 28px;
}
.finish-dialog button {
  font-size: 12px;
}
.finish-dialog .form-actions .primary {
  flex: none;
  font-size: 12px;
  padding: 8px 16px;
}
.session-account {
  position: relative;
  flex-shrink: 0;
  order: 6;
}
.session-account summary {
  padding: 12px 8px;
  min-height: 44px;
  cursor: pointer;
  color: var(--tni-dim);
  font-size: 12px;
}
.session-account[open] summary {
  color: var(--tni-ink);
}
.account-menu {
  position: absolute;
  z-index: 100;
  right: 0;
  top: calc(100% + 4px);
  width: min(280px, calc(100vw - 32px));
  padding: 20px;
  background: var(--tni-surface);
  border: 1px solid var(--tni-line);
  border-radius: var(--tni-corner);
  box-shadow: 0 12px 32px #0005;
  overflow-wrap: anywhere;
}
.account-menu strong {
  font-size: 14px;
}
.account-menu p {
  margin: 6px 0 20px;
  font-size: 12px;
  color: var(--tni-dim);
}
.account-menu a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.session-notice {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 24px;
  padding: 16px 24px;
  background: var(--tni-surface);
  border-bottom: 1px solid var(--tni-dim);
  box-shadow: inset 3px 0 var(--tni-ink);
  max-height: 45dvh;
  overflow: auto;
}
.session-copy {
  flex: 1;
  min-width: 0;
}
.session-copy strong {
  font-size: 14px;
  font-weight: 600;
}
.session-copy p {
  margin: 5px 0 0;
  max-width: 75ch;
  font-size: 12px;
  line-height: 1.5;
  color: var(--tni-dim);
}
.session-actions {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 8px;
}
.session-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 44px;
  padding: 10px 16px;
  background: var(--tni-ink);
  color: var(--tni-inverse);
  border-radius: var(--tni-corner);
  font-weight: 600;
  text-decoration: none;
}
.session-actions a:hover {
  background: #fff;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
@media (prefers-reduced-motion: no-preference) {
  .session-notice:not([hidden]),
  .session-account[open] .account-menu {
    animation: session-reveal 160ms ease-out;
  }
  @keyframes session-reveal {
    from {
      opacity: 0;
      transform: translateY(-3px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}
@media (max-width: 800px) {
  .app-header {
    flex-wrap: wrap;
  }
  .workspace-title {
    flex: 1;
    min-width: 0;
  }
  .workspace-title h1 {
    font-size: 18px;
  }
  .header-actions {
    width: 100%;
    justify-content: flex-end;
  }
  .header-actions .save-state {
    margin-right: auto;
    max-width: none;
  }
  .header-actions button {
    white-space: nowrap;
  }
  .session-notice {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
    padding: 14px 16px;
  }
  .session-actions {
    flex-wrap: wrap;
  }
}
@media (max-width: 1250px) {
  .assignment {
    width: 240px;
    padding: 20px;
  }
  .inspector {
    width: 320px;
    padding: 20px;
  }
  .brand {
    min-width: 168px;
  }
  .app-header {
    gap: 24px;
  }
  .save-state {
    max-width: 140px;
  }
  .attempt-label {
    display: none;
  }
  .workspace-context {
    display: none;
  }
  .workspace-bar .evaluation {
    margin-left: auto;
  }
}
@media (max-width: 980px) {
  .app-header {
    padding: 12px 16px;
    height: auto;
    min-height: 68px;
    gap: 16px;
  }
  .brand {
    min-width: unset;
  }
  .brand small {
    display: none;
  }
  .brand img {
    width: 24px;
  }
  .brand strong {
    font-size: 24px;
  }
  .workspace-title {
    padding-left: 16px;
  }
  .workspace-title p {
    font-size: 10px;
  }
  .workspace-bar {
    padding: 0 16px;
  }
  .focus-workspace {
    display: none;
  }
  .workspace-bar .panel-toggle {
    display: none;
  }
  .workspace-bar .evaluation {
    margin-left: auto;
  }
  .inspector-toggle {
    display: none;
  }
  .design-workspace {
    position: relative;
  }
  .assignment,
  .inspector {
    width: 100% !important;
    max-width: none;
    min-width: 0;
    display: none;
    padding: 24px;
  }
  .panel-splitter {
    display: none;
  }
  .canvas-region {
    display: none;
  }
  body[data-pane=assignment] .assignment,
  body[data-pane=quantities] .inspector,
  body[data-pane=drawing] .canvas-region {
    display: block;
  }
  .drawing-canvas {
    display: flex;
    position: absolute;
    inset: 0;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
  }
  body[data-pane=drawing] .drawing-canvas {
    display: flex;
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }
  .compact-navigation {
    display: flex;
    flex-shrink: 0;
    gap: 8px;
    padding: 8px 16px max(8px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--tni-line);
    background: var(--tni-surface);
  }
  .compact-navigation button {
    flex: 1;
    border-color: transparent;
    font-size: 12px;
    color: var(--tni-dim);
    background: transparent;
  }
  .compact-navigation button[aria-pressed=true] {
    color: var(--tni-ink);
    background: var(--tni-raised);
    border-color: var(--tni-line);
  }
}
@media (max-width: 600px) {
  .workspace-switcher nav {
    grid-template-columns: minmax(0, 1fr);
    width: 360px;
    max-height: calc(100dvh - 240px);
  }
  .workspace-link {
    padding: 12px;
  }
  .drawing-provenance {
    display: none;
  }
  .app-header {
    flex-wrap: wrap;
    height: auto;
    gap: 12px;
  }
  .brand {
    gap: 8px;
  }
  .workspace-title {
    flex: 1;
  }
  .workspace-title h1 {
    font-size: 15px;
  }
  .header-actions {
    width: 100%;
    justify-content: flex-end;
  }
  .save-state {
    margin-right: auto;
    max-width: none;
  }
  .workspace-bar {
    min-height: 36px;
  }
  .evaluation {
    font-size: 10px;
  }
  .finish-attempt {
    font-size: 12px;
  }
}
@media (prefers-reduced-motion: no-preference) {
  button,
  summary {
    transition:
      background-color 140ms ease,
      border-color 140ms ease,
      color 140ms ease;
  }
  [role=tabpanel]:not([hidden]) {
    animation: panel-reveal 160ms ease-out;
  }
  .workspace-switcher[open] nav {
    animation: panel-reveal 160ms ease-out;
  }
  .takeoff-item {
    animation: panel-reveal 160ms ease-out;
  }
  @keyframes panel-reveal {
    from {
      opacity: 0.35;
      transform: translateY(3px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}
@media (max-width: 980px) and (max-height: 600px) {
  body {
    padding-bottom: 64px;
  }
  .compact-navigation {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 30;
  }
}
@media (pointer: coarse) {
  body input,
  body select,
  body textarea {
    font-size: 16px;
  }
}
.workspace-menu-heading {
  padding-right: 80px;
}
.workspace-menu-close {
  position: absolute;
  right: 0;
  top: 0;
  font-size: 12px;
}
@media (max-width: 980px) and (max-height: 500px) {
  .workspace-switcher nav {
    position: fixed;
    inset: 12px 16px 76px;
    width: auto;
    max-height: none;
    z-index: 120;
    align-content: start;
  }
  .workspace-link {
    padding: 10px 12px;
  }
  .workspace-menu-heading {
    padding-bottom: 12px;
  }
}
@media (min-width: 601px) and (max-width: 980px) and (max-height: 500px) {
  .app-header {
    flex-wrap: nowrap;
    gap: 10px;
    padding: 8px 16px;
    min-height: 60px;
  }
  .brand {
    gap: 6px;
  }
  .brand strong {
    font-size: 20px;
  }
  .brand img {
    width: 18px;
  }
  .workspace-title {
    padding-left: 10px;
  }
  .workspace-title p {
    display: none;
  }
  .workspace-title h1 {
    font-size: 15px;
  }
  .header-actions {
    width: auto;
    gap: 6px;
  }
  .header-actions button {
    padding: 8px 10px;
    font-size: 12px;
  }
  .save-state {
    font-size: 10px;
  }
}

/* src/design/editor.css */
.pdf-editor {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  background: #161719;
  color: var(--tni-ink);
}
.pdf-tools {
  display: flex;
  flex-shrink: 0;
  gap: 2px;
  overflow-x: auto;
  align-items: center;
  padding: 6px 10px;
  border-bottom: 1px solid var(--tni-line);
  background: var(--tni-surface);
  scrollbar-width: thin;
}
.pdf-tools button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 40px;
  min-height: 40px;
  padding: 8px;
  border-color: transparent;
  background: transparent;
  white-space: nowrap;
  font-size: 12px;
  font-weight: 500;
  flex-shrink: 0;
}
.pdf-tools button[aria-pressed=true] {
  background: var(--tni-ink);
  color: var(--tni-bg);
  border-color: var(--tni-ink);
}
.pdf-tools svg,
.pdf-selection svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.pdf-tools .pdf-tool-start {
  margin-left: 8px;
}
.pdf-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  flex-shrink: 0;
  padding: 6px 14px;
  background: var(--tni-surface);
  font-size: 11px;
  color: var(--tni-dim);
  border-bottom: 1px solid var(--tni-line);
}
.pdf-hint > span {
  flex: 1;
  line-height: 1.5;
}
.pdf-hint button {
  font-size: 11px;
  padding: 6px 9px;
  min-height: 32px;
  white-space: nowrap;
}
.pdf-stage {
  position: relative;
  flex: 1;
  min-height: 100px;
  overflow: auto;
  overscroll-behavior: contain;
  padding: 16px;
  touch-action: none;
  scrollbar-width: thin;
  outline-offset: -3px !important;
}
.pdf-sheet {
  position: relative;
  margin: auto;
  background: white;
  box-shadow: 0 4px 20px #0005;
  flex-shrink: 0;
}
.pdf-sheet > canvas {
  display: block;
}
.pdf-sheet > svg {
  position: absolute;
  inset: 0;
  overflow: visible;
  -webkit-user-select: none;
  user-select: none;
  touch-action: none;
}
.pdf-stage[data-tool=pan] {
  cursor: grab;
}
.pdf-stage[data-tool=pan]:active {
  cursor: grabbing;
}
.pdf-stage:not([data-tool=select]):not([data-tool=pan]) {
  cursor: crosshair;
}
.pdf-stage:not([data-tool=select]) .pdf-mark {
  pointer-events: none;
}
.pdf-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 48px;
  flex-shrink: 0;
  padding: 4px 10px;
  background: var(--tni-surface);
  border-top: 1px solid var(--tni-line);
  font-size: 11px;
}
.pdf-controls button {
  min-width: 36px;
  min-height: 36px;
  padding: 4px;
  background: transparent;
  border-color: transparent;
  font-size: 20px;
  font-weight: 400;
}
.pdf-controls select {
  width: 96px;
  min-height: 36px;
  padding: 4px 8px;
  margin: 0;
  font-size: 11px;
}
.pdf-page {
  min-width: 40px;
  text-align: center;
  white-space: nowrap;
}
.pdf-scale {
  margin: 0 auto 0 12px;
  color: var(--tni-dim);
  line-height: 1.4;
}
.pdf-selection {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  min-width: 0;
  font-size: 11px;
}
.pdf-selection > span {
  flex: 1;
}
.pdf-selection button {
  padding: 4px 8px;
  min-height: 32px;
  font-size: 11px;
}
.pdf-selection button:last-child {
  display: flex;
  align-items: center;
}
.pdf-mark {
  cursor: pointer;
}
.pdf-mark.selected > path:not(.pdf-hit) {
  stroke-width: 3;
}
.pdf-mark:focus {
  outline: none;
}
.pdf-mark:focus-visible {
  filter: drop-shadow(0 0 3px #0074cc);
}
.pdf-handle {
  fill: white;
  stroke: #171717;
  stroke-width: 2;
}
.pdf-handle-hit {
  fill: transparent;
  cursor: move;
}
.pdf-measure-label {
  font:
    600 12px -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  fill: #171717;
  paint-order: stroke;
  stroke: white;
  stroke-width: 4;
  stroke-linejoin: round;
}
.pdf-note {
  font-family: Arial, sans-serif;
  line-height: 1.3;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: #fffffff2;
  border: 1px solid #888;
  padding: 3px;
  height: 100%;
  overflow: auto;
}
.pdf-dialog {
  width: min(400px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  border: 1px solid var(--tni-line);
  border-radius: 8px;
  background: var(--tni-surface);
  color: var(--tni-ink);
  padding: 24px;
  box-shadow: 0 20px 80px #0008;
}
.pdf-dialog::backdrop {
  background: #0009;
}
.pdf-dialog h2 {
  font-size: 20px;
  margin: 0 0 20px;
}
.pdf-dialog label {
  display: block;
  margin: 14px 0 6px;
}
.pdf-dialog input,
.pdf-dialog textarea,
.pdf-dialog select {
  width: 100%;
  margin: 0;
}
.pdf-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}
.pdf-dialog-error {
  color: var(--error-ink);
  font-size: 12px;
}
.pdf-dialog-error:empty {
  display: none;
}
@media (pointer: coarse) {
  .pdf-tools button,
  .pdf-controls button,
  .pdf-controls select,
  .pdf-hint button,
  .pdf-selection button {
    min-height: 44px;
    min-width: 44px;
  }
  .pdf-handle-hit {
    r: 14;
  }
}
@media (max-width: 600px) {
  .pdf-hint {
    font-size: 11px;
  }
  .pdf-stage {
    padding: 10px;
  }
  .pdf-tools {
    padding: 4px 6px;
  }
  .pdf-scale {
    font-size: 10px;
    margin-left: 6px;
  }
  .pdf-controls {
    padding: 4px 6px;
  }
  .pdf-controls select {
    width: 82px;
  }
  .pdf-selection {
    flex-wrap: wrap;
  }
  .pdf-selection > span {
    min-width: 45%;
  }
}