:root {
  --mpi-canvas: #f6f7f5;
  --mpi-surface: #ffffff;
  --mpi-ink: #1f2933;
  --mpi-muted: #5b6870;
  --mpi-border: #cdd5d5;
  --mpi-primary: #0b5d5a;
  --mpi-primary-hover: #084946;
  --mpi-focus: #0a7a75;
  --mpi-success: #176b45;
  --mpi-warning: #8a5a00;
  --mpi-danger: #a43232;
  --mpi-info: #1d5d88;
  --mpi-table-stripe: #f1f4f3;

  --mpi-font-body: "Source Serif 4", Georgia, serif;
  --mpi-font-heading: "Source Sans 3", system-ui, sans-serif;
  --mpi-font-code: "Source Code Pro", ui-monospace, monospace;
  --mpi-prose-size: 1.125rem;
  --mpi-prose-leading: 1.62;
  --mpi-prose-measure: 70ch;

  /* Transitional aliases used by the publication's product header. */
  --product-canvas: var(--mpi-canvas);
  --product-surface: var(--mpi-surface);
  --product-ink: var(--mpi-ink);
  --product-muted: var(--mpi-muted);
  --product-border: var(--mpi-border);
  --product-primary: var(--mpi-primary);
  --product-primary-hover: var(--mpi-primary-hover);
  --product-focus: var(--mpi-focus);
  --product-success: var(--mpi-success);
  --product-warning: var(--mpi-warning);
  --product-danger: var(--mpi-danger);
  --product-info: var(--mpi-info);
}

.lms-shell {
  --bs-body-color: var(--mpi-ink);
  --bs-body-font-family: var(--mpi-font-heading);
  --bs-border-color: var(--mpi-border);
  --bs-form-invalid-border-color: var(--mpi-danger);
  --bs-form-invalid-color: var(--mpi-danger);
  --bs-form-valid-border-color: var(--mpi-success);
  --bs-form-valid-color: var(--mpi-success);

  background: var(--mpi-canvas);
  color: var(--mpi-ink);
  font-family: var(--mpi-font-heading);
}

.lms-shell code,
.lms-shell kbd,
.lms-shell pre,
.lms-shell samp {
  font-family: var(--mpi-font-code);
}

.lms-shell a {
  color: var(--mpi-primary);
}

.lms-shell a:hover {
  color: var(--mpi-primary-hover);
}

.lms-shell a.btn {
  color: var(--bs-btn-color);
}

.lms-shell a.btn:hover {
  color: var(--bs-btn-hover-color);
}

.lms-shell main p a,
.lms-shell article p a {
  align-items: center;
  display: inline-flex;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
}

.lms-shell :focus-visible {
  outline: 3px solid var(--mpi-focus);
  outline-offset: 3px;
}

.lms-shell .site-header {
  background: var(--mpi-surface);
  border-bottom: 1px solid var(--mpi-border);
}

.lms-shell .site-header__nav {
  gap: 0.25rem;
  margin: 0 auto;
  max-width: 1440px;
  min-height: 57px;
  padding: 0 1rem;
}

.lms-shell .site-header .nav-link {
  align-items: center;
  color: var(--mpi-ink);
  display: inline-flex;
  font-size: 0.9375rem;
  font-weight: 600;
  min-height: 44px;
  min-width: 44px;
  padding: 0.5rem 0.75rem;
  text-decoration: none;
}

.lms-shell .site-header .btn {
  align-items: center;
  display: inline-flex;
  min-height: 44px;
}

.lms-shell .site-header .nav-link.is-active {
  border-bottom: 3px solid var(--mpi-primary);
  color: var(--mpi-primary);
}

.lms-shell .site-header__brand {
  align-items: center;
  color: var(--mpi-ink);
  display: inline-flex;
  gap: 0.55rem;
  min-height: 44px;
  padding-right: 0.75rem;
  text-decoration: none;
}

.lms-shell .site-header__mark {
  display: block;
  flex: 0 0 auto;
  height: 32px;
  width: 32px;
}

.lms-shell .site-header__title {
  color: var(--mpi-ink);
  font-size: 0.9375rem;
  font-weight: 700;
  white-space: nowrap;
}

.lms-shell .btn-primary {
  --bs-btn-bg: var(--mpi-primary);
  --bs-btn-border-color: var(--mpi-primary);
  --bs-btn-color: var(--mpi-surface);
  --bs-btn-hover-bg: var(--mpi-primary-hover);
  --bs-btn-hover-border-color: var(--mpi-primary-hover);
  --bs-btn-hover-color: var(--mpi-surface);
  --bs-btn-active-bg: var(--mpi-primary-hover);
  --bs-btn-active-border-color: var(--mpi-primary-hover);
  --bs-btn-active-color: var(--mpi-surface);
  --bs-btn-disabled-bg: var(--mpi-primary);
  --bs-btn-disabled-border-color: var(--mpi-primary);
  --bs-btn-disabled-color: var(--mpi-surface);

  color: var(--bs-btn-color);
}

.lms-shell .btn-danger {
  --bs-btn-bg: var(--mpi-danger);
  --bs-btn-border-color: var(--mpi-danger);
  --bs-btn-hover-bg: var(--mpi-ink);
  --bs-btn-hover-border-color: var(--mpi-ink);
}

.lms-shell .btn-outline-secondary {
  --bs-btn-color: var(--mpi-ink);
  --bs-btn-border-color: var(--mpi-muted);
  --bs-btn-hover-bg: var(--mpi-ink);
  --bs-btn-hover-border-color: var(--mpi-ink);
  --bs-btn-hover-color: var(--mpi-surface);

  transition: none;
}

.lms-shell .alert-success {
  --bs-alert-bg: var(--mpi-surface);
  --bs-alert-border-color: var(--mpi-success);
  --bs-alert-color: var(--mpi-success);
}

.lms-shell .alert-warning {
  --bs-alert-bg: var(--mpi-surface);
  --bs-alert-border-color: var(--mpi-warning);
  --bs-alert-color: var(--mpi-warning);
}

.lms-shell .alert-danger {
  --bs-alert-bg: var(--mpi-surface);
  --bs-alert-border-color: var(--mpi-danger);
  --bs-alert-color: var(--mpi-danger);
}

.lms-shell .alert-info {
  --bs-alert-bg: var(--mpi-surface);
  --bs-alert-border-color: var(--mpi-info);
  --bs-alert-color: var(--mpi-info);
}

.lms-shell .errorlist {
  color: var(--mpi-danger);
}

.lms-shell .auth-panel {
  background: var(--mpi-surface);
  border: 1px solid var(--mpi-border);
  border-top: 4px solid var(--mpi-primary);
  border-radius: 0.5rem;
  box-shadow: 0 0.75rem 2rem rgb(31 41 51 / 8%);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.lms-shell .auth-panel--wide {
  padding: clamp(1.5rem, 4vw, 3rem);
}

.lms-shell .auth-panel--danger {
  border-top-color: var(--mpi-danger);
}

.lms-shell .auth-panel h1 {
  margin-bottom: 0.75rem;
}

.lms-shell .auth-panel__intro {
  color: var(--mpi-muted);
  margin-bottom: 1.5rem;
}

.lms-shell .auth-panel__register {
  margin-bottom: 0.75rem;
}

.lms-shell .auth-panel p a,
.lms-shell .auth-panel footer p a {
  display: inline;
  min-height: auto;
  padding: 0;
}

.lms-shell .auth-panel__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-bottom: 1.5rem;
}

.lms-shell .auth-panel__links a {
  align-items: center;
  display: inline-flex;
  min-height: 44px;
}

.lms-shell .auth-alert {
  border-left-width: 4px;
  margin-bottom: 1.5rem;
}

.lms-shell .auth-alert h2 {
  margin-bottom: 0.5rem;
}

.lms-shell .auth-form {
  display: grid;
  gap: 1.25rem;
}

.lms-shell .auth-form__fieldset {
  border: 0;
  border-top: 1px solid var(--mpi-border);
  display: grid;
  gap: 1.25rem;
  margin: 0;
  padding: 1.5rem 0 0;
}

.lms-shell .auth-form__fieldset legend {
  float: none;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  padding: 0 0.75rem 0 0;
  width: auto;
}

.lms-shell .auth-form__section {
  background: var(--mpi-canvas);
  border-left: 4px solid var(--mpi-info);
  border-radius: 0.25rem;
  padding: 1rem 1.25rem;
}

.lms-shell .auth-form__section h2 {
  font-size: 1.25rem;
}

.lms-shell .auth-form__section p:last-child,
.lms-shell .auth-form__note {
  margin-bottom: 0;
}

.lms-shell .auth-field label {
  font-weight: 650;
  margin-bottom: 0.4rem;
}

.lms-shell .auth-field input:not([type="hidden"]) {
  background: var(--mpi-surface);
  border: 1px solid var(--mpi-muted);
  border-radius: 0.375rem;
  color: var(--mpi-ink);
  display: block;
  font: inherit;
  min-height: 48px;
  padding: 0.625rem 0.75rem;
  width: 100%;
}

.lms-shell .auth-field input:not([type="hidden"]):focus {
  border-color: var(--mpi-focus);
  box-shadow: 0 0 0 0.2rem rgb(10 122 117 / 18%);
  outline: 0;
}

.lms-shell .auth-field__errors {
  color: var(--mpi-danger);
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.lms-shell .auth-field__help {
  color: var(--mpi-muted);
  margin-top: 0.5rem;
}

.lms-shell .auth-field__help ul {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.lms-shell .auth-choice {
  align-items: center;
  display: flex;
  gap: 0.65rem;
}

.lms-shell .auth-choice input {
  accent-color: var(--mpi-primary);
  height: 1.125rem;
  width: 1.125rem;
}

.lms-shell .auth-choice label {
  font-weight: 600;
}

.lms-shell .auth-form__submit {
  justify-self: start;
  min-height: 44px;
  min-width: 7rem;
}

.lms-shell .auth-panel__return {
  margin: 1.25rem 0 0;
}

.lms-shell .auth-panel__security-note {
  color: var(--mpi-muted);
  font-size: 0.9375rem;
  margin: 1.25rem 0 0;
}

.lms-shell .auth-panel__footer {
  border-top: 1px solid var(--mpi-border);
  color: var(--mpi-muted);
  font-size: 0.875rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
}

.lms-shell .auth-panel__footer p:last-child {
  margin-bottom: 0;
}

.lms-shell .assessment-page__back {
  margin-bottom: 1rem;
}

.lms-shell .assessment-page__back a {
  align-items: center;
  display: inline-flex;
  min-height: 44px;
}

.lms-shell .assessment-page {
  background: var(--mpi-surface);
  border: 1px solid var(--mpi-border);
  border-top: 4px solid var(--mpi-primary);
  border-radius: 0.5rem;
  box-shadow: 0 0.75rem 2rem rgb(31 41 51 / 8%);
  padding: clamp(1.5rem, 4vw, 3rem);
}

.lms-shell .assessment-page__header {
  border-bottom: 1px solid var(--mpi-border);
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
}

.lms-shell .assessment-page__context {
  color: var(--mpi-primary);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.lms-shell .assessment-page__intro {
  color: var(--mpi-muted);
  margin-bottom: 0;
  max-width: 65ch;
}

.lms-shell .assessment-form__form {
  display: grid;
  gap: 1.5rem;
}

.lms-shell .assessment-form__form > div:not(.assessment-form__actions) {
  border-bottom: 1px solid var(--mpi-border);
  padding-bottom: 1.5rem;
}

.lms-shell .assessment-form__form > div > label {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.lms-shell .assessment-form__form input[type="radio"] {
  accent-color: var(--mpi-primary);
  height: 1.125rem;
  margin-right: 0.5rem;
  width: 1.125rem;
}

.lms-shell .assessment-form__form input[type="radio"] + span,
.lms-shell .assessment-form__form input[type="radio"] + label {
  vertical-align: middle;
}

.lms-shell .assessment-form__form .errorlist {
  margin-top: 0.75rem;
}

.lms-shell .assessment-form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.lms-shell .assessment-form__actions .btn {
  min-height: 44px;
}

.lms-shell .account-menu {
  position: relative;
}

.lms-shell .account-menu summary {
  cursor: pointer;
  min-height: 44px;
  padding: 0.625rem 0.75rem;
}

.lms-shell .account-menu__panel {
  background: var(--mpi-surface);
  border: 1px solid var(--mpi-border);
  min-width: 12rem;
  padding: 0.5rem;
  position: absolute;
  right: 0;
  z-index: 1;
}

.lms-shell .account-menu__panel a,
.lms-shell .account-menu__panel button {
  background: none;
  border: 0;
  color: var(--mpi-ink);
  display: block;
  padding: 0.5rem;
  text-align: left;
  text-decoration: none;
  width: 100%;
}

/* The account fragment is also rendered inside the static publication header. */
.product-header .account-menu {
  position: relative;
}

.product-header .account-menu summary {
  cursor: pointer;
  list-style: none;
}

.product-header .account-menu summary::-webkit-details-marker {
  display: none;
}

.product-header .account-menu summary::after {
  content: "▾";
  font-size: 0.75em;
  margin-left: 0.4rem;
}

.product-header .account-menu[open] summary::after {
  content: "▴";
}

.product-header .account-menu__panel {
  background: var(--product-surface);
  border: 1px solid var(--product-border);
  box-shadow: 0 0.5rem 1.25rem rgb(31 41 51 / 12%);
  display: grid;
  min-width: 12rem;
  padding: 0.25rem;
  position: absolute;
  right: 0;
  top: calc(100% + 0.25rem);
  z-index: 1032;
}

.product-header .account-menu__panel a,
.product-header .account-menu__panel button {
  align-items: center;
  background: transparent;
  border: 0;
  color: var(--product-ink);
  display: flex;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  justify-content: flex-start;
  line-height: 1.25;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  text-align: left;
  text-decoration: none;
  width: 100%;
}

.product-header .account-menu__panel a:hover,
.product-header .account-menu__panel button:hover {
  background: var(--product-canvas);
  color: var(--product-primary-hover);
}

.product-header .account-menu__panel form {
  margin: 0;
}

@media (max-width: 767.98px) {
  .lms-shell .site-header__nav {
    flex-wrap: wrap;
  }

  .lms-shell .site-header__title {
    display: none;
  }

  .lms-shell .site-header .ms-auto {
    margin-left: 0 !important;
  }
}

.eyebrow { color: var(--mpi-muted); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.learning-dashboard__header { align-items: end; display: flex; justify-content: space-between; margin-bottom: 2rem; }
.learning-dashboard__groups, .download-grid { display: grid; gap: 1rem; }
.learning-group, .download-group, .assessment-result__summary, .assessment-result__details { background: var(--mpi-surface); border: 1px solid var(--mpi-border); border-radius: 0.75rem; margin-bottom: 1.5rem; padding: 1.5rem; }
.learning-group__heading { align-items: baseline; display: flex; justify-content: space-between; }
.learning-checklist { list-style: none; margin: 0; padding: 0; }
.learning-checklist li { align-items: center; border-top: 1px solid var(--mpi-border); display: grid; gap: 0.75rem; grid-template-columns: auto 1fr auto; padding: 0.9rem 0; }
.learning-checklist li:first-child { border-top: 0; }
.learning-checklist li div { display: grid; }
.learning-checklist li div span { color: var(--mpi-muted); font-size: 0.9rem; }
.learning-checklist__status { color: var(--mpi-muted); font-size: 1.25rem; }
.learning-checklist__status.is-complete { color: var(--mpi-primary); }
.download-group { margin-top: 1.5rem; }
.download-grid { grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.download-card { border: 1px solid var(--mpi-border); border-radius: 0.5rem; display: grid; padding: 1rem; text-decoration: none; }
.download-card span { color: var(--mpi-muted); font-size: 0.9rem; }
.assessment-result__score { font-size: 3rem; font-weight: 700; line-height: 1; }
.assessment-result__score span { color: var(--mpi-muted); font-size: 1rem; font-weight: 400; }
.assessment-result__item { border-left: 0.3rem solid #b7791f; margin: 1.25rem 0; padding: 0.75rem 1.25rem; }
.assessment-result__feedback { background: var(--mpi-canvas); border-radius: 0.5rem; padding: 1rem; }
.assessment-result__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Home and support use the same quiet surfaces as the learning dashboard. */
.lms-shell .home-page { max-width: 72rem; margin: 0 auto; }
.lms-shell .home-intro { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); align-items: center; gap: clamp(2rem, 5vw, 4rem); margin-bottom: 3rem; }
.lms-shell .home-intro h1 { font-size: clamp(2.25rem, 4vw, 3.5rem); letter-spacing: -0.035em; line-height: 1.1; max-width: 14ch; margin-bottom: 1.25rem; }
.lms-shell .home-intro__lead { font-size: 1.3rem; line-height: 1.5; max-width: 40ch; }
.lms-shell .home-intro__description { color: var(--mpi-muted); max-width: 58ch; }
.lms-shell .home-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.lms-shell .home-start, .lms-shell .home-resource, .lms-shell .support-panel { background: var(--mpi-surface); border: 1px solid var(--mpi-border); border-radius: 0.75rem; padding: clamp(1.5rem, 3vw, 2rem); }
.lms-shell .home-start { border-top: 4px solid var(--mpi-primary); }
.lms-shell .home-start h2 { font-size: 1.5rem; line-height: 1.3; }
.lms-shell .home-start p:not(.eyebrow), .lms-shell .home-resource p { color: var(--mpi-muted); }
.lms-shell .home-start a, .lms-shell .home-resource a { font-weight: 600; }
.lms-shell .home-resources { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.lms-shell .home-resource { display: flex; flex-direction: column; }
.lms-shell .home-resource h2 { font-size: 1.25rem; }
.lms-shell .home-resource a { margin-top: auto; }
.lms-shell .home-about { border-top: 1px solid var(--mpi-border); margin-top: 2.5rem; padding-top: 1.5rem; }
.lms-shell .home-about h2 { font-size: 1.125rem; margin-bottom: 0.75rem; }
.lms-shell .home-about nav { display: flex; flex-wrap: wrap; gap: 0.75rem 1.75rem; }
.lms-shell .home-about a { display: inline-flex; align-items: center; min-height: 44px; }
.lms-shell .home-continue { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; border-left: 4px solid var(--mpi-primary); background: var(--mpi-surface); padding: 1.5rem; margin-bottom: 2rem; }
.lms-shell .home-continue h2 { font-size: 1.5rem; margin-bottom: 0; }
.lms-shell .support-page { max-width: 48rem; margin: 0 auto; }
.lms-shell .support-intro { margin-bottom: 1.5rem; }
.lms-shell .support-intro h1 { font-size: clamp(2rem, 4vw, 2.75rem); letter-spacing: -0.025em; }
.lms-shell .support-intro > p:not(.eyebrow) { color: var(--mpi-muted); max-width: 65ch; }
.lms-shell .support-privacy-note { border-left: 3px solid var(--mpi-warning); background: var(--mpi-canvas); border-radius: 0.25rem; padding: 1rem 1.25rem; margin-bottom: 1.75rem; font-size: 0.9375rem; }
.lms-shell .support-form label { display: block; font-weight: 600; margin-bottom: 0.5rem; }
.lms-shell .support-form input:not([type="hidden"]), .lms-shell .support-form select, .lms-shell .support-form textarea { display: block; width: 100%; min-height: 44px; border: 1px solid var(--mpi-border); border-radius: 0.375rem; background: var(--mpi-surface); color: var(--mpi-ink); padding: 0.65rem 0.75rem; font: inherit; }
.lms-shell .support-form textarea { resize: vertical; }
.lms-shell .support-form [id$="_helptext"] { color: var(--mpi-muted); font-size: 0.875rem; margin-top: 0.5rem; }
.lms-shell .support-form .btn { margin-top: 0.5rem; }
.lms-shell .support-footer { color: var(--mpi-muted); font-size: 0.9375rem; margin-top: 1.25rem; }
@media (max-width: 767.98px) {
  .lms-shell .home-intro, .lms-shell .home-resources { grid-template-columns: minmax(0, 1fr); }
  .lms-shell .home-intro { margin-bottom: 1.5rem; gap: 1.5rem; }
  .lms-shell .home-intro h1 { max-width: none; }
}