:root {
  color-scheme: light;
  --paper: #f5f3ea;
  --surface: #fffdf7;
  --ink: #222d26;
  --muted: #586257;
  --forest: #244c38;
  --forest-soft: #e8eddf;
  --ochre: #885823;
  --divider: #d4d8ca;
  --control-line: #7b8678;
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  overflow-wrap: break-word;
}

[hidden] {
  display: none !important;
}

h1, h2, h3, h4, p, dl, dd {
  margin: 0;
}

h1, h2, h3, h4 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.2;
  overflow-wrap: break-word;
}

button, input, select {
  font: inherit;
}

button, select, a[href], label[for], [role="tab"] {
  cursor: pointer;
}

:disabled, [aria-disabled="true"] {
  cursor: not-allowed;
}

:focus-visible {
  outline: 3px solid var(--ochre);
  outline-offset: 3px;
}

button {
  min-width: 44px;
  max-width: 100%;
  min-height: 44px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--control-line);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  line-height: 1.4;
}

button:not(:disabled):hover {
  border-color: var(--ink);
  background: var(--forest-soft);
  text-decoration: underline;
  text-underline-offset: 4px;
}

button:not(:disabled):active, a[href]:active {
  transform: translateY(1px);
}

button:disabled, input:disabled, select:disabled {
  border-style: dashed;
  opacity: 0.6;
}

a {
  color: var(--ink);
  text-underline-offset: 4px;
}

a:hover {
  text-decoration-thickness: 2px;
}

.primary-button {
  border-color: var(--forest);
  background: var(--forest);
  color: var(--surface);
}

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

.container {
  width: min(80rem, calc(100% - 2rem));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  z-index: 10;
  top: 0.5rem;
  left: 1rem;
  min-height: 44px;
  padding: 0.75rem 1rem;
  transform: translateY(-200%);
  background: var(--forest);
  color: var(--surface);
}

.skip-link:focus {
  transform: none;
}

.site-header {
  border-bottom: 1px solid var(--divider);
}

.header-inner {
  display: grid;
  gap: 1rem;
  padding-block: 1.25rem 0.75rem;
}

.wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  line-height: 1.2;
}

.wordmark span {
  display: block;
}

.header-caption {
  display: none;
  color: var(--muted);
  font-size: 0.85rem;
}

.primary-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 5.2rem), 1fr));
  gap: 0.35rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--divider);
}

.primary-nav a {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.25rem;
  font-size: 0.8rem;
  text-align: center;
  text-decoration: none;
}

.primary-nav a:hover, .primary-nav a:focus-visible {
  background: var(--forest-soft);
  text-decoration: underline;
}

.exercise-note {
  padding-block: 0.75rem;
  background: var(--forest-soft);
  font-size: 0.8rem;
}

.exercise-note strong {
  margin-right: 0.25rem;
}

.introduction {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  padding-block: 2.5rem 3rem;
}

h1 {
  font-size: clamp(2.75rem, 1.75rem + 3.4vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

h1 span {
  display: block;
  color: var(--forest);
  font-style: italic;
}

.intro-description {
  max-width: 42rem;
  margin-top: 1.25rem;
  font-size: clamp(1rem, 0.9rem + 0.25vw, 1.15rem);
}

.intro-scope {
  max-width: 27rem;
  padding-top: 1rem;
  border-top: 1px solid var(--control-line);
  color: var(--muted);
  font-size: 0.9rem;
}

.intro-scope .small-label {
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.small-label {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.5;
}

.section-heading {
  display: flex;
  gap: 0.9rem;
  align-items: baseline;
  margin-bottom: 1.5rem;
}

.section-number {
  flex-shrink: 0;
  color: var(--ochre);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
}

h2 {
  font-size: clamp(1.8rem, 1.4rem + 1vw, 2.5rem);
}

.section-heading p {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.section-heading > div {
  min-width: 0;
}

.workbook-section {
  padding-bottom: 3.5rem;
}

.workbook-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  min-width: 0;
}

.role-index {
  display: none;
}

.role-picker label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.role-picker select {
  width: 100%;
  min-height: 48px;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--control-line);
  border-radius: 2px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.9rem;
}

.role-picker select:hover {
  border-color: var(--ink);
}

.workspace {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--divider);
  background: var(--surface);
}

.role-heading h3 {
  margin-top: 0.4rem;
  font-size: clamp(1.8rem, 1.4rem + 1vw, 2.4rem);
}

.role-summary {
  margin-top: 0.75rem;
  color: var(--muted);
}

.role-responsibility {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--divider);
  font-size: 0.9rem;
}

.role-responsibility strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.82rem;
}

.stage-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(2.75rem, 1fr));
  gap: 0.25rem;
  margin-block: 1.75rem 1.25rem;
}

.stage-tab {
  padding: 0.65rem 0.125rem;
  font-size: 0.8rem;
}

.stage-tab-number {
  display: none;
}

.stage-tab[aria-selected="true"] {
  border-color: var(--forest);
  background: var(--forest);
  color: var(--surface);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.stage-tab[aria-selected="true"]:hover {
  background: var(--ink);
  color: var(--surface);
}

.stage-purpose {
  color: var(--muted);
  font-size: 0.85rem;
}

.activity-heading {
  margin-top: 1.5rem;
}

.activity-heading .small-label {
  margin-bottom: 0.4rem;
}

.activity-heading h4 {
  font-size: clamp(1.45rem, 1.1rem + 0.8vw, 2rem);
}

.activity-brief {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.activity-brief dt {
  font-size: 0.85rem;
  font-weight: 600;
}

.activity-brief dd {
  margin-top: 0.4rem;
}

.brief-action {
  padding-top: 1rem;
  border-top: 2px solid var(--ink);
}

.brief-decision, .brief-evidence {
  padding: 1.15rem;
}

.brief-decision {
  background: var(--forest);
  color: var(--surface);
}

.brief-evidence {
  background: var(--paper);
}

.brief-measure, .brief-handoff {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--divider);
  font-size: 0.9rem;
}

.working-partners {
  margin-top: 1.5rem;
}

.partner-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.65rem;
}

.partner-list button {
  max-width: 100%;
  padding-inline: 0.75rem;
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.workbook-tools, .form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.workbook-tools button, .form-actions button {
  width: 100%;
  font-size: 0.9rem;
}

.download-status {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  overflow-wrap: anywhere;
}

.download-status:empty {
  margin: 0;
}

.metrics-section {
  padding-block: 1.75rem 3.5rem;
  border-top: 2px solid var(--ink);
}

.metrics-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.metric-definition {
  min-width: 0;
  padding: 1.25rem;
  background: var(--forest-soft);
}

.metric-definition h3 {
  margin-top: 0.75rem;
  font-size: clamp(1.65rem, 1.2rem + 1vw, 2.2rem);
}

.metric-direction {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.metric-formula {
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--control-line);
}

.metric-formula .small-label {
  margin-bottom: 0.4rem;
}

.metric-scope {
  max-width: 35rem;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.metric-form {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--divider);
  background: var(--surface);
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 1.25rem;
  padding: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.metric-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 8rem), 1fr));
  gap: 0.9rem;
}

.metric-fields label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.metric-fields input {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--control-line);
  border-radius: 2px;
  background: var(--surface);
  color: var(--ink);
  font-size: 1.2rem;
  font-variant-numeric: tabular-nums;
}

.metric-fields input:hover {
  border-color: var(--ink);
}

.metric-fields input[aria-invalid="true"] {
  border: 2px solid var(--ochre);
}

.field-help, .field-error, .example-notice {
  margin-top: 0.8rem;
  font-size: 0.82rem;
}

.field-help {
  color: var(--muted);
}

.field-error {
  color: var(--ochre);
  font-weight: 600;
}

.example-notice {
  padding: 0.75rem;
  border: 1px dashed var(--control-line);
}

.metric-result {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--control-line);
}

.result-heading {
  margin-bottom: 0.5rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.5rem;
  line-height: 1.3;
}

.metric-result > p:last-child {
  font-size: 0.9rem;
}

.metric-result[data-state="met"] .result-heading {
  color: var(--forest);
}

.metric-result[data-state="review"] .result-heading {
  color: var(--ochre);
}

.templates-section {
  padding-bottom: 3rem;
}

.template-register {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--control-line);
  list-style: none;
}

.template-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--divider);
}

.template-row h3 {
  margin-top: 0.4rem;
  font-size: 1.25rem;
}

.template-description, .filename {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.template-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 7rem), 1fr));
  gap: 0.5rem;
  align-content: start;
}

.template-actions button {
  padding-inline: 0.5rem;
  font-size: 0.82rem;
}

.template-row .download-status {
  grid-column: 1 / -1;
  margin: 0;
}

.site-footer {
  padding-block: 1.5rem;
  border-top: 1px solid var(--divider);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.footer-inner p {
  max-width: 58rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-inner a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  font-size: 0.85rem;
}

dialog {
  width: min(46rem, calc(100% - 2rem));
  max-height: calc(100dvh - 2rem);
  padding: 1.25rem;
  border: 2px solid var(--ink);
  border-radius: 2px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1.5rem 4rem #0003;
}

dialog::backdrop {
  background: #19251f99;
}

html:has(dialog[open]) {
  overflow: hidden;
}

.dialog-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.dialog-header button {
  font-size: 0.85rem;
}

dialog h2 {
  margin-bottom: 0.75rem;
  font-size: 1.9rem;
}

#template-description {
  font-size: 0.9rem;
}

.template-instruction {
  margin-block: 1.25rem 1.75rem;
  padding: 1rem;
  background: var(--forest-soft);
  font-size: 0.85rem;
}

.template-instruction strong {
  display: block;
  margin-bottom: 0.25rem;
}

dialog h3 {
  font-size: 1.25rem;
}

.template-fields {
  display: grid;
  gap: 0.5rem 2rem;
  margin-block: 1rem 1.75rem;
  padding-left: 1.5rem;
  font-size: 0.85rem;
}

.template-fields li {
  padding-left: 0.15rem;
  overflow-wrap: anywhere;
}

.template-fields li::marker {
  color: var(--forest);
}

.load-state {
  margin-bottom: 3rem;
  padding: 1.5rem;
  border: 1px solid var(--control-line);
  background: var(--surface);
}

.load-state p {
  margin-top: 0.75rem;
}

.load-state button {
  margin-top: 1rem;
}

@media (min-width: 42rem) {
  .container {
    width: min(80rem, calc(100% - 3rem));
  }

  .header-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding-block: 1.25rem;
  }

  .primary-nav {
    display: flex;
    border: 0;
    padding: 0;
  }

  .primary-nav a {
    padding-inline: 0.65rem;
    font-size: 0.85rem;
  }

  .introduction {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: end;
    padding-block: 3.5rem;
  }

  .workspace {
    padding: 1.75rem;
  }

  .stage-tabs {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 6rem), 1fr));
  }

  .stage-tab {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
  }

  .stage-tab-number {
    display: inline;
    font-size: 0.75rem;
  }

  .activity-brief {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brief-action, .brief-measure, .brief-handoff {
    grid-column: 1 / -1;
  }

  .brief-measure, .brief-handoff {
    display: grid;
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1rem;
  }

  .brief-measure dd, .brief-handoff dd {
    margin: 0;
  }

  .workbook-tools button, .form-actions button {
    width: auto;
  }

  .metrics-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric-definition, .metric-form {
    padding: 1.75rem;
  }

  .template-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem 1.5rem;
    align-items: center;
  }

  .template-actions {
    display: flex;
  }

  .template-actions button {
    padding-inline: 0.8rem;
  }

  dialog {
    padding: 1.75rem;
  }

  .template-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 62rem) {
  .header-inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 2rem;
  }

  .header-caption {
    display: block;
  }

  .introduction {
    grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr);
    padding-block: 4rem;
  }

  .workbook-layout {
    grid-template-columns: 17.5rem minmax(0, 1fr);
    gap: 1.75rem;
  }

  .role-picker {
    display: none;
  }

  .role-index {
    display: block;
    position: sticky;
    top: 1.5rem;
    align-self: start;
  }

  .role-list {
    display: grid;
    gap: 0.4rem;
    margin-top: 0.8rem;
  }

  .role-option {
    display: grid;
    width: 100%;
    grid-template-columns: 1.5rem minmax(0, 1fr);
    gap: 0.7rem;
    padding: 0.85rem 0.75rem;
    border-color: transparent;
    text-align: left;
  }

  .role-option-number {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.1rem;
  }

  .role-option-name, .role-option-summary {
    display: block;
  }

  .role-option-name {
    font-size: 0.85rem;
    font-weight: 600;
  }

  .role-option-summary {
    margin-top: 0.35rem;
    color: var(--muted);
    font-size: 0.78rem;
  }

  .role-option[aria-pressed="true"] {
    border-color: var(--forest);
    background: var(--forest);
    color: var(--surface);
  }

  .role-option[aria-pressed="true"] .role-option-name {
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  .role-option[aria-pressed="true"] .role-option-summary {
    color: var(--surface);
  }

  .role-option[aria-pressed="true"]:hover {
    background: var(--ink);
    color: var(--surface);
  }
}

@media (prefers-reduced-motion: reduce) {
  button:not(:disabled):active, a[href]:active {
    transform: none;
  }
}