/* ===================================
   ACL diagnostic: EduAvenues App Kit
   One token set. Values follow the App Kit spec (--ea-* equivalents).
   =================================== */
:root {
  --diagnostic-ink: #030712;
  --diagnostic-ink-hover: #1f2937;
  --diagnostic-label: #1f2937;
  --diagnostic-button-text: #111827;
  --diagnostic-text: #4b5563;
  --diagnostic-muted: #6b7280;
  --diagnostic-faint: #9ca3af;
  --diagnostic-line: #e5e7eb;
  --diagnostic-field: #d1d5db;
  --diagnostic-surface: #f9fafb;
  --diagnostic-white: #ffffff;
  --diagnostic-navy: #002e54;
  --diagnostic-navy-tint: #e6eef4;
  --diagnostic-focus: #ccdde9;
  --diagnostic-danger: #991b1b;
  --diagnostic-danger-tint: #fef2f2;
  --diagnostic-success: #166534;
  --diagnostic-success-tint: #f0fdf4;
  --diagnostic-warn: #92400e;
  --diagnostic-warn-tint: #fffbeb;
  --diagnostic-radius: 8px;
  --diagnostic-radius-sm: 4px;
  --diagnostic-font: 'Public Sans', system-ui, sans-serif;
  --diagnostic-serif: 'Source Serif 4', Georgia, serif;
}

* {
  box-sizing: border-box;
}

/* Page shell: white page, 4px navy top rule */
.diagnostic-app-page {
  min-height: 100vh;
  margin: 0;
  border-top: 4px solid var(--diagnostic-navy);
  background: var(--diagnostic-white);
  color: var(--diagnostic-text);
  font-family: var(--diagnostic-font);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

.diagnostic-app-page a {
  color: var(--diagnostic-navy);
  font-weight: 600;
  text-decoration: none;
}

.diagnostic-app-page a:hover {
  text-decoration: underline;
}

/* App header: plain white with a hairline */
.diagnostic-app-header {
  border-bottom: 1px solid var(--diagnostic-line);
  background: var(--diagnostic-white);
}

.diagnostic-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1040px, calc(100% - 32px));
  min-height: 64px;
  margin: 0 auto;
}

.diagnostic-app-page .diagnostic-wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--diagnostic-ink);
  text-decoration: none;
}

.diagnostic-wordmark img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.diagnostic-wordmark span {
  display: grid;
}

.diagnostic-wordmark strong {
  color: var(--diagnostic-ink);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
}

.diagnostic-wordmark small {
  color: var(--diagnostic-muted);
  font-size: 11px;
  font-weight: 400;
  line-height: 1.35;
}

.diagnostic-app-page .diagnostic-exit-link {
  color: var(--diagnostic-muted);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

.diagnostic-app-page .diagnostic-exit-link:hover,
.diagnostic-app-page .diagnostic-exit-link:focus-visible {
  color: var(--diagnostic-ink);
}

/* Layout */
.diagnostic-app-main {
  padding: 48px 16px 64px;
}

.diagnostic-app-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 760px);
  gap: 32px;
  justify-content: center;
  align-items: start;
  width: min(1040px, 100%);
  margin: 0 auto;
}

/* Progress: a plain numbered list, no colored circles */
.diagnostic-progress-panel {
  padding: 4px 0 0;
  color: var(--diagnostic-text);
}

.diagnostic-progress-label,
.diagnostic-kicker {
  margin: 0 0 12px;
  color: var(--diagnostic-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  line-height: 1.4;
  text-transform: uppercase;
}

.diagnostic-progress-panel h1 {
  margin: 0;
  color: var(--diagnostic-ink);
  font-family: var(--diagnostic-serif);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
}

.diagnostic-progress-copy {
  margin: 8px 0 24px;
  color: var(--diagnostic-text);
  font-size: 14px;
  line-height: 1.6;
}

.diagnostic-progress-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--diagnostic-line);
  list-style: none;
}

.diagnostic-progress-list li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 8px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--diagnostic-line);
  color: var(--diagnostic-muted);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
}

.diagnostic-progress-list li span {
  color: var(--diagnostic-faint);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.diagnostic-progress-list li.is-complete {
  color: var(--diagnostic-text);
}

.diagnostic-progress-list li.is-active {
  color: var(--diagnostic-ink);
  font-weight: 600;
}

.diagnostic-progress-list li.is-active span {
  color: var(--diagnostic-navy);
  font-weight: 600;
}

.diagnostic-save-status {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 16px;
  color: var(--diagnostic-muted);
  font-size: 13px;
}

.diagnostic-save-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--diagnostic-success);
}

.diagnostic-save-status.is-saving .diagnostic-save-dot {
  background: var(--diagnostic-warn);
}

/* Workspace card: hairline, 8px corners, no shadow */
.diagnostic-workspace {
  position: relative;
  min-width: 0;
  padding: 48px;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-white);
}

.diagnostic-mobile-progress {
  display: none;
}

.diagnostic-timer {
  position: sticky;
  z-index: 4;
  top: 12px;
  float: right;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin: -8px 0 16px 16px;
  padding: 8px 12px;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-white);
  color: var(--diagnostic-muted);
  font-size: 12px;
}

.diagnostic-timer[hidden] {
  display: none;
}

.diagnostic-timer strong {
  color: var(--diagnostic-ink);
  font-size: 16px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.diagnostic-timer.is-warning {
  background: var(--diagnostic-warn-tint);
  color: var(--diagnostic-warn);
}

.diagnostic-timer.is-warning strong {
  color: var(--diagnostic-warn);
}

.diagnostic-timer.is-critical {
  background: var(--diagnostic-danger-tint);
  color: var(--diagnostic-danger);
}

.diagnostic-timer.is-critical strong {
  color: var(--diagnostic-danger);
}

.diagnostic-step-panel {
  padding: 0;
}

.diagnostic-step-panel[hidden] {
  display: none;
}

.diagnostic-step-panel.is-active {
  animation: diagnostic-fade-in 200ms ease-out both;
}

@keyframes diagnostic-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.diagnostic-step-panel h2 {
  max-width: 640px;
  margin: 0;
  color: var(--diagnostic-ink);
  font-family: var(--diagnostic-serif);
  font-size: 36px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.2;
}

.diagnostic-lead {
  max-width: 640px;
  margin: 12px 0 32px;
  color: var(--diagnostic-text);
  font-size: 17px;
  line-height: 1.65;
}

/* Overview facts: one hairline card with dividers */
.diagnostic-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 32px 0 24px;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
}

.diagnostic-facts div {
  min-width: 0;
  padding: 16px 20px;
}

.diagnostic-facts div + div {
  border-left: 1px solid var(--diagnostic-line);
}

.diagnostic-facts strong,
.diagnostic-facts span {
  display: block;
}

.diagnostic-facts strong {
  color: var(--diagnostic-ink);
  font-size: 16px;
  font-weight: 600;
}

.diagnostic-facts span {
  margin-top: 4px;
  color: var(--diagnostic-muted);
  font-size: 13px;
  line-height: 1.45;
}

/* Callouts */
.diagnostic-instructions,
.diagnostic-passage {
  padding: 20px;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-surface);
}

.diagnostic-instructions h3 {
  margin: 0 0 8px;
  color: var(--diagnostic-ink);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.diagnostic-instructions ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 20px;
  color: var(--diagnostic-text);
  font-size: 15px;
  line-height: 1.6;
  list-style: disc;
}

/* Sign-in card */
.diagnostic-verification-card {
  margin-top: 16px;
  padding: 24px;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-white);
}

#verificationRequestPanel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 12px;
  align-items: end;
}

/* The sign-in variants are layout-transparent, so their controls sit in the panel grid. */
#legacySignIn:not([hidden]),
#centralSignInPanel:not([hidden]) {
  display: contents;
}

#verificationRequestPanel > p,
#verificationRequestPanel > .diagnostic-verification-status,
#verificationRequestPanel > .diagnostic-auth-heading,
#legacySignIn > p,
#legacySignIn > .diagnostic-google-btn,
#legacySignIn > .diagnostic-auth-divider,
#centralSignInPanel > * {
  grid-column: 1 / -1;
}

#centralSignIn {
  margin-top: 16px;
}

.diagnostic-auth-heading {
  display: flex;
  gap: 12px;
  align-items: center;
}

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

.diagnostic-auth-badge {
  display: grid;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-surface);
  color: var(--diagnostic-navy);
}

.diagnostic-auth-badge svg {
  width: 22px;
  height: 22px;
}

.diagnostic-verification-card p {
  max-width: 640px;
  margin: 0;
  color: var(--diagnostic-text);
  font-size: 15px;
  line-height: 1.6;
}

.diagnostic-verification-card .diagnostic-verification-label {
  margin: 0 0 2px;
  color: var(--diagnostic-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  line-height: 1.4;
  text-transform: uppercase;
}

.diagnostic-verification-card .diagnostic-auth-title {
  margin: 0;
  color: var(--diagnostic-ink);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
}

.diagnostic-verification-card .diagnostic-auth-description {
  margin: 12px 0 0;
}

.diagnostic-verification-field {
  width: 100%;
  margin-bottom: 0;
}

#requestVerification {
  min-width: 190px;
}

/* Google button: App Kit secondary (white, 1px outline) with Google's own mark */
.diagnostic-app-page .diagnostic-btn.diagnostic-google-btn {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) 20px;
  gap: 12px;
  align-items: center;
  width: 100%;
  min-height: 56px;
  margin-top: 20px;
  padding: 10px 16px;
  border: 1px solid var(--diagnostic-field);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-white);
  color: var(--diagnostic-button-text);
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition:
    border-color 160ms ease,
    background-color 160ms ease;
}

.diagnostic-app-page .diagnostic-btn.diagnostic-google-btn:hover {
  border-color: var(--diagnostic-faint);
  background: var(--diagnostic-surface);
}

.diagnostic-app-page .diagnostic-btn.diagnostic-google-btn:focus-visible {
  border-color: var(--diagnostic-navy);
  outline: 3px solid var(--diagnostic-focus);
  outline-offset: 0;
}

.diagnostic-app-page .diagnostic-btn.diagnostic-google-btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.diagnostic-google-mark {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
}

.diagnostic-google-mark svg {
  width: 20px;
  height: 20px;
}

.diagnostic-google-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.diagnostic-google-label {
  color: var(--diagnostic-button-text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
}

.diagnostic-google-copy small {
  color: var(--diagnostic-muted);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.35;
}

.diagnostic-google-arrow {
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  color: var(--diagnostic-faint);
}

.diagnostic-google-arrow svg {
  width: 18px;
  height: 18px;
}

.diagnostic-auth-divider {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  margin: 20px 0 16px;
  color: var(--diagnostic-faint);
  font-size: 13px;
  font-weight: 500;
}

.diagnostic-auth-divider::before,
.diagnostic-auth-divider::after {
  height: 1px;
  background: var(--diagnostic-line);
  content: '';
}

.diagnostic-verification-card .diagnostic-auth-note {
  margin: 12px 0 0;
  color: var(--diagnostic-muted);
  font-size: 13px;
  line-height: 1.5;
}

.diagnostic-verification-card .diagnostic-verification-status {
  margin: 12px 0 0;
  color: var(--diagnostic-muted);
  font-size: 14px;
  font-weight: 500;
}

.diagnostic-verification-card .diagnostic-verification-status:empty {
  margin: 0;
}

.diagnostic-verification-card .diagnostic-verification-status.is-error {
  color: var(--diagnostic-danger);
}

.diagnostic-verification-confirmed {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
}

.diagnostic-verification-confirmed[hidden] {
  display: none;
}

.diagnostic-verification-confirmed div {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.diagnostic-verification-confirmed strong {
  color: var(--diagnostic-ink);
  font-size: 15px;
  font-weight: 600;
}

.diagnostic-verification-confirmed span:not(.diagnostic-verification-check) {
  overflow-wrap: anywhere;
  color: var(--diagnostic-muted);
  font-size: 14px;
}

.diagnostic-verification-confirmed button,
.diagnostic-review-item button {
  padding: 4px;
  border: 0;
  background: transparent;
  color: var(--diagnostic-navy);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
}

.diagnostic-verification-confirmed button {
  margin-left: auto;
}

.diagnostic-verification-confirmed button:hover,
.diagnostic-review-item button:hover {
  text-decoration: underline;
}

.diagnostic-verification-check {
  display: inline-grid;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-success-tint);
  color: var(--diagnostic-success);
  font-weight: 700;
}

.diagnostic-note {
  margin: 16px 0 0;
  color: var(--diagnostic-muted);
  font-size: 13px;
  line-height: 1.55;
}

/* Fields */
.diagnostic-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 16px;
}

.diagnostic-field {
  display: grid;
  align-content: start;
  gap: 8px;
  min-width: 0;
}

.diagnostic-field-wide {
  grid-column: 1 / -1;
}

.diagnostic-field > span,
.diagnostic-choice-field legend,
.diagnostic-writing-field > span {
  color: var(--diagnostic-label);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

.diagnostic-field em,
.diagnostic-choice-field em,
.diagnostic-writing-field em,
.diagnostic-check-row em {
  color: var(--diagnostic-danger);
  font-style: normal;
}

.diagnostic-field input[type='text'],
.diagnostic-field input[type='email'],
.diagnostic-field input[type='tel'],
.diagnostic-field select,
.diagnostic-field textarea,
.diagnostic-writing-field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  border: 1px solid var(--diagnostic-field);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-white);
  color: var(--diagnostic-ink);
  font: inherit;
  font-size: 16px;
  line-height: 1.5;
  transition: border-color 160ms ease;
}

.diagnostic-field textarea,
.diagnostic-writing-field textarea {
  min-height: 88px;
  resize: vertical;
}

.diagnostic-field input::placeholder,
.diagnostic-field textarea::placeholder {
  color: var(--diagnostic-faint);
}

.diagnostic-field input:focus,
.diagnostic-field select:focus,
.diagnostic-field textarea:focus,
.diagnostic-writing-field textarea:focus {
  border-color: var(--diagnostic-navy);
  outline: 3px solid var(--diagnostic-focus);
  outline-offset: 0;
}

.diagnostic-field input[readonly] {
  background: var(--diagnostic-surface);
  color: var(--diagnostic-text);
}

.diagnostic-field small,
.diagnostic-writing-field small {
  color: var(--diagnostic-muted);
  font-size: 13px;
  line-height: 1.45;
}

.diagnostic-field-error {
  display: none;
  color: var(--diagnostic-danger) !important;
  font-weight: 600;
}

.diagnostic-field-error.is-visible {
  display: block;
}

.diagnostic-field.has-error input,
.diagnostic-field.has-error select,
.diagnostic-field.has-error textarea,
.diagnostic-writing-field.has-error textarea {
  border-color: var(--diagnostic-danger);
}

.diagnostic-choice-field {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.diagnostic-choice-field legend {
  width: 100%;
  margin-bottom: 8px;
  padding: 0;
}

.diagnostic-choice-field label {
  position: relative;
}

.diagnostic-choice-field input {
  position: absolute;
  opacity: 0;
}

.diagnostic-choice-field label span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 76px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--diagnostic-field);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-white);
  color: var(--diagnostic-button-text);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}

.diagnostic-choice-field label span:hover {
  border-color: var(--diagnostic-faint);
}

.diagnostic-choice-field input:checked + span {
  border-color: var(--diagnostic-navy);
  background: var(--diagnostic-navy-tint);
  color: var(--diagnostic-ink);
}

.diagnostic-choice-field input:focus-visible + span {
  outline: 3px solid var(--diagnostic-focus);
}

.diagnostic-choice-field.has-error label span {
  border-color: var(--diagnostic-danger);
}

.diagnostic-divider {
  height: 1px;
  margin: 32px 0;
  border: 0;
  background: var(--diagnostic-line);
}

.diagnostic-check-row {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  align-items: start;
  margin-top: 24px;
  padding: 16px;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-surface);
  color: var(--diagnostic-text);
  cursor: pointer;
  font-size: 14px;
  line-height: 1.55;
}

.diagnostic-check-row input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--diagnostic-navy);
}

.diagnostic-check-error {
  margin: 8px 0 0 16px;
}

/* Questions */
.diagnostic-question {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.diagnostic-question + .diagnostic-question {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--diagnostic-line);
}

.diagnostic-question legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  width: 100%;
  margin-bottom: 16px;
  padding: 0;
  color: var(--diagnostic-ink);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
}

/* Badge */
.diagnostic-domain {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius-sm);
  background: var(--diagnostic-surface);
  color: var(--diagnostic-text);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1.4;
  text-transform: uppercase;
}

.diagnostic-question p,
.diagnostic-question li {
  color: var(--diagnostic-text);
  font-size: 16px;
  line-height: 1.65;
}

.diagnostic-question p strong {
  color: var(--diagnostic-ink);
  font-weight: 600;
}

.diagnostic-question ul {
  padding-left: 20px;
  list-style: disc;
}

.gear-diagram {
  position: relative;
  display: grid;
  grid-template-columns: 0.85fr 1.65fr 1.05fr;
  gap: 0;
  align-items: center;
  min-height: 310px;
  margin: 1.15rem auto;
  padding: 1.4rem 1.5rem 1.4rem 4.8rem;
  overflow: hidden;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background-color: #f7f9fb;
  background-image:
    linear-gradient(#e8edf2 1px, transparent 1px),
    linear-gradient(90deg, #e8edf2 1px, transparent 1px);
  background-size: 20px 20px;
}

.gear {
  position: relative;
  z-index: 1;
  display: grid;
  place-content: start center;
  justify-self: center;
  border: 9px dashed #174f80;
  border-radius: 50%;
  background: #2f75aa;
  color: var(--diagnostic-white);
  padding-top: 18%;
  text-align: center;
}

.gear::after {
  content: '';
  position: absolute;
  top: 68%;
  left: 50%;
  width: 25%;
  aspect-ratio: 1;
  border: 4px solid rgba(0, 46, 84, 0.7);
  border-radius: 50%;
  background: #f7f9fb;
  transform: translate(-50%, -50%);
}

.gear-a {
  width: 112px;
  height: 112px;
  transform: translateX(24px);
}

.gear-b {
  width: 238px;
  height: 238px;
  margin-inline: -8px;
  border-color: #b45309;
  background: #e47a1f;
}

.gear-c {
  width: 148px;
  height: 148px;
  transform: translateX(-24px);
}

.gear strong,
.gear span,
.gear small {
  position: relative;
  z-index: 2;
  display: block;
  max-width: 85px;
  line-height: 1.2;
}

.gear strong {
  font-size: 0.82rem;
}

.gear span,
.gear small {
  font-size: 0.64rem;
}

.gear-b strong,
.gear-b span,
.gear-b small {
  max-width: 120px;
}

.gear-speed {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 0.7rem;
  display: grid;
  gap: 0.15rem;
  color: var(--diagnostic-navy);
  font-size: 0.66rem;
  transform: translateY(-50%);
}

.gear-speed::after {
  content: '';
  width: 40px;
  height: 40px;
  margin: 0.2rem auto 0;
  border: 3px solid var(--diagnostic-navy);
  border-right-color: transparent;
  border-radius: 50%;
}

.pipeline-diagram {
  position: relative;
  min-height: 210px;
  margin: 1.25rem 0;
  overflow: hidden;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background: #d9f0f7;
}

.pipeline-bank {
  position: absolute;
  left: 0;
  display: flex;
  align-items: center;
  width: 100%;
  height: 54px;
  padding: 0 1rem;
  background: #dce9ce;
  color: #3c5c2c;
  font-size: 0.72rem;
}

.pipeline-bank-top {
  top: 0;
}

.pipeline-bank-bottom {
  bottom: 0;
}

.pipeline-bank span {
  position: absolute;
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  background: var(--diagnostic-navy);
  color: var(--diagnostic-white);
  font-weight: 800;
}

.pipeline-bank-top span {
  left: 12%;
  bottom: -16px;
}

.pipeline-bank-bottom span {
  right: 12%;
  top: -16px;
}

.pipeline-bank-bottom b {
  margin-left: auto;
}

.pipeline-water {
  position: absolute;
  inset: 54px 0;
  display: grid;
  place-items: center;
  color: #236c86;
  font-size: 0.72rem;
  font-weight: 700;
}

.pipeline-water::after {
  content: '';
  position: absolute;
  left: 12%;
  top: 0;
  width: 77%;
  border-top: 2px dashed rgba(0, 46, 84, 0.58);
  transform: rotate(10.8deg);
  transform-origin: left center;
}

.pipeline-distance {
  position: absolute;
  right: 28%;
  bottom: 67px;
  padding: 0.2rem 0.35rem;
  background: rgba(255, 255, 255, 0.82);
  color: var(--diagnostic-navy);
  font-size: 0.68rem;
  font-weight: 700;
}


/* Answer choices: hairline cards */
.diagnostic-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.diagnostic-options-long {
  grid-template-columns: 1fr;
}

.diagnostic-options label {
  position: relative;
  min-width: 0;
}

.diagnostic-options input {
  position: absolute;
  opacity: 0;
}

.diagnostic-options span {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 8px;
  align-items: start;
  min-height: 100%;
  padding: 14px 16px;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-white);
  color: var(--diagnostic-text);
  cursor: pointer;
  font-size: 15px;
  line-height: 1.5;
  transition:
    border-color 160ms ease,
    background-color 160ms ease;
}

.diagnostic-options span:hover {
  border-color: var(--diagnostic-field);
}

.diagnostic-options b {
  color: var(--diagnostic-ink);
  font-size: 15px;
  font-weight: 600;
}

.diagnostic-options input:checked + span {
  border-color: var(--diagnostic-navy);
  background: var(--diagnostic-navy-tint);
  color: var(--diagnostic-ink);
}

.diagnostic-options input:checked + span b {
  color: var(--diagnostic-navy);
}

.diagnostic-options input:focus-visible + span {
  outline: 3px solid var(--diagnostic-focus);
}

.diagnostic-question.has-error .diagnostic-options span {
  border-color: var(--diagnostic-danger);
}

/* Writing */
.diagnostic-passage {
  margin: 20px 0 32px;
}

.diagnostic-passage p {
  margin: 0;
  color: var(--diagnostic-text);
  font-size: 16px;
  line-height: 1.7;
}

.diagnostic-passage p + p {
  margin-top: 12px;
}

.diagnostic-writing-field {
  display: grid;
  gap: 8px;
  margin-top: 28px;
}

.diagnostic-writing-field textarea {
  min-height: 180px;
}

/* Review */
.diagnostic-review-list {
  display: grid;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
}

.diagnostic-review-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--diagnostic-line);
}

.diagnostic-review-item:last-child {
  border-bottom: 0;
}

.diagnostic-review-item strong,
.diagnostic-review-item span {
  display: block;
}

.diagnostic-review-item strong {
  color: var(--diagnostic-ink);
  font-size: 15px;
  font-weight: 600;
}

.diagnostic-review-item span {
  margin-top: 2px;
  color: var(--diagnostic-muted);
  font-size: 13px;
}

.diagnostic-reflection {
  display: grid;
  gap: 20px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.diagnostic-reflection legend {
  margin-bottom: 16px;
  padding: 0;
  color: var(--diagnostic-ink);
  font-family: var(--diagnostic-serif);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.25;
}

.diagnostic-field input[type='range'] {
  width: 100%;
  accent-color: var(--diagnostic-navy);
}

.diagnostic-range-output {
  display: grid !important;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  color: var(--diagnostic-muted) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
}

.diagnostic-range-output b {
  font-weight: 500;
}

.diagnostic-range-output output {
  padding: 3px 8px;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius-sm);
  background: var(--diagnostic-surface);
  color: var(--diagnostic-ink);
  font-size: 13px;
  font-weight: 600;
}

.diagnostic-range-output b:last-child {
  text-align: right;
}

/* Error callout */
.diagnostic-submit-error {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-danger-tint);
  color: var(--diagnostic-danger);
  font-size: 14px;
  line-height: 1.5;
}

.diagnostic-submit-error[hidden] {
  display: none;
}

/* Actions and buttons */
.diagnostic-actions-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--diagnostic-line);
}

.diagnostic-actions-end {
  justify-content: flex-end;
}

.diagnostic-actions-center {
  justify-content: center;
}

.diagnostic-app-page .diagnostic-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--diagnostic-radius);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  transition:
    border-color 160ms ease,
    background-color 160ms ease;
}

.diagnostic-app-page .diagnostic-btn-primary {
  border-color: var(--diagnostic-ink);
  background: var(--diagnostic-ink);
  color: var(--diagnostic-white);
}

.diagnostic-app-page .diagnostic-btn-primary:hover:not(:disabled) {
  border-color: var(--diagnostic-ink-hover);
  background: var(--diagnostic-ink-hover);
}

.diagnostic-app-page .diagnostic-btn-secondary {
  border-color: var(--diagnostic-field);
  background: var(--diagnostic-white);
  color: var(--diagnostic-button-text);
}

.diagnostic-app-page .diagnostic-btn-secondary:hover {
  border-color: var(--diagnostic-faint);
  background: var(--diagnostic-surface);
}

.diagnostic-app-page .diagnostic-btn:focus-visible {
  outline: 3px solid var(--diagnostic-focus);
  outline-offset: 0;
}

.diagnostic-btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

/* Success */
.diagnostic-success {
  max-width: 640px;
  margin: 32px auto;
  text-align: center;
}

.diagnostic-success-mark {
  display: inline-grid;
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  place-items: center;
  border: 1px solid var(--diagnostic-line);
  border-radius: var(--diagnostic-radius);
  background: var(--diagnostic-success-tint);
  color: var(--diagnostic-success);
  font-size: 22px;
  font-weight: 700;
}

.diagnostic-success h2,
.diagnostic-success .diagnostic-lead {
  margin-inline: auto;
}

.diagnostic-submission-id {
  margin: 20px 0;
  color: var(--diagnostic-muted);
  font-size: 14px;
}

.diagnostic-submission-id strong {
  color: var(--diagnostic-ink);
}

.diagnostic-honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
}

/* Footer */
.diagnostic-app-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 32px;
  border-top: 1px solid var(--diagnostic-line);
  color: var(--diagnostic-muted);
  font-size: 14px;
  line-height: 1.5;
}

.diagnostic-app-footer p {
  max-width: 720px;
  margin: 0;
}

.diagnostic-app-footer a {
  flex: 0 0 auto;
}

@media (max-width: 900px) {
  .diagnostic-app-layout {
    grid-template-columns: 1fr;
    width: min(760px, 100%);
  }

  .diagnostic-progress-panel {
    display: none;
  }

  /* Thin navy progress bar with plain "Step N of 5" text */
  .diagnostic-mobile-progress {
    display: grid;
    gap: 8px;
    margin-bottom: 24px;
    color: var(--diagnostic-muted);
    font-size: 13px;
    font-weight: 500;
  }

  .diagnostic-mobile-track {
    display: block;
    height: 4px;
    overflow: hidden;
    background: var(--diagnostic-line);
  }

  .diagnostic-mobile-track span {
    display: block;
    width: 20%;
    height: 100%;
    background: var(--diagnostic-navy);
    transition: width 200ms ease;
  }
}

@media (max-width: 640px) {
  .diagnostic-header-inner {
    min-height: 56px;
  }

  .diagnostic-wordmark img {
    width: 28px;
    height: 28px;
  }

  .diagnostic-wordmark strong {
    font-size: 15px;
  }

  .diagnostic-app-main {
    padding: 24px 16px 48px;
  }

  .diagnostic-workspace {
    padding: 24px 20px;
  }

  .diagnostic-step-panel h2 {
    font-size: 30px;
  }

  .diagnostic-lead {
    margin-bottom: 24px;
    font-size: 16px;
  }

  .diagnostic-timer {
    position: static;
    float: none;
    justify-content: space-between;
    width: 100%;
    margin: 0 0 20px;
  }

  .diagnostic-facts,
  .diagnostic-form-grid,
  .diagnostic-options {
    grid-template-columns: 1fr;
  }

  .diagnostic-facts div {
    display: grid;
    grid-template-columns: minmax(110px, 0.8fr) 1fr;
    gap: 12px;
    align-items: baseline;
    padding: 12px 16px;
  }

  .diagnostic-facts span {
    margin-top: 0;
  }

  .diagnostic-facts div + div {
    border-top: 1px solid var(--diagnostic-line);
    border-left: 0;
  }

  .diagnostic-verification-card {
    padding: 20px 16px;
  }

  #verificationRequestPanel {
    grid-template-columns: 1fr;
  }

  #verificationRequestPanel > *,
  #legacySignIn > *,
  #centralSignInPanel > * {
    grid-column: 1;
  }

  #requestVerification {
    width: 100%;
    margin-top: 12px;
  }

  .gear-diagram {
    grid-template-columns: 0.8fr 1.5fr 1fr;
    min-height: 205px;
    padding: 1rem 0.4rem 1rem 2.75rem;
  }

  .gear-a {
    width: 68px;
    height: 68px;
    border-width: 6px;
    transform: translateX(10px);
  }

  .gear-b {
    width: 130px;
    height: 130px;
    border-width: 7px;
  }

  .gear-c {
    width: 84px;
    height: 84px;
    border-width: 6px;
    transform: translateX(-10px);
  }

  .gear strong {
    font-size: 0.62rem;
  }

  .gear span,
  .gear small {
    font-size: 0.5rem;
  }

  .gear-speed {
    left: 0.25rem;
    font-size: 0.52rem;
  }

  .gear-speed::after {
    width: 28px;
    height: 28px;
    border-width: 2px;
  }

  .diagnostic-choice-field {
    grid-column: 1;
  }

  .diagnostic-actions-row {
    flex-direction: column-reverse;
  }

  .diagnostic-actions-row .diagnostic-btn {
    width: 100%;
  }

  .diagnostic-actions-end,
  .diagnostic-actions-center {
    flex-direction: column;
  }

  .diagnostic-verification-confirmed {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .diagnostic-verification-confirmed button {
    width: 100%;
    margin: 0;
    padding: 4px 0 0;
    text-align: left;
  }

  .diagnostic-app-footer {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .diagnostic-step-panel.is-active {
    animation: none;
  }

  .diagnostic-google-btn,
  .diagnostic-google-arrow {
    transition: none;
  }
}

@media (prefers-contrast: more) {
  .diagnostic-app-header,
  .diagnostic-workspace,
  .diagnostic-field input,
  .diagnostic-field textarea,
  .diagnostic-writing-field textarea,
  .diagnostic-options span,
  .diagnostic-google-btn {
    border-color: var(--diagnostic-text);
  }
}