body {
  min-width: 20rem;
}

a {
  color: var(--color-secondary);
  text-decoration-color: currentColor;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--color-text-strong-muted);
  text-decoration-thickness: 0.12em;
}

:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
  box-shadow: none;
}

.shell {
  width: min(100% - 2rem, var(--ui-content-width));
}

.page-content {
  padding-block: clamp(1.75rem, 4vw, 3rem) 4rem;
}

.skip-link {
  border: 1px solid var(--color-control-border);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-card);
}

/* Header and brand */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: 0 0.2rem 0.9rem rgb(52 37 21 / 5%);
}

.site-header__inner {
  min-height: 4.25rem;
  padding-block: 0.65rem;
}

.site-header .brand-link {
  color: var(--color-secondary);
}

.site-header .brand-course {
  border-color: var(--color-divider);
  color: var(--color-text-muted);
}

.site-header .account-name {
  color: var(--color-text);
}

.brand-link:hover {
  color: var(--color-text-strong-muted);
  text-decoration: none;
}

.brand-course {
  font-weight: 700;
}

/* Buttons */

.button {
  min-height: 2.75rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-control-border);
  border-radius: var(--radius-control);
  box-shadow: none;
  color: var(--color-text-strong-muted);
  line-height: 1.2;
}

.button--primary {
  border-color: var(--color-primary-border);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 1.1875rem;
}

.button--primary:hover {
  border-color: var(--color-primary-border);
  background: var(--color-primary-border);
  color: var(--color-on-primary);
  text-decoration: none;
}

.button--primary:active {
  border-color: var(--color-secondary);
  background: var(--color-secondary);
}

.button--quiet,
.button--secondary,
.site-header .button--quiet {
  border-color: var(--color-control-border);
  background: var(--color-control-background);
  color: var(--color-text-strong-muted);
}

.button--quiet:hover,
.button--secondary:hover,
.site-header .button--quiet:hover {
  border-color: var(--color-secondary);
  background: var(--color-hover-background);
  color: var(--color-text);
  text-decoration: none;
}

.button--quiet:active,
.button--secondary:active,
.site-header .button--quiet:active {
  border-color: var(--color-secondary);
  background: var(--color-hover-background);
  color: var(--color-secondary);
}

.button--danger {
  border-color: var(--color-danger-border);
  background: var(--color-danger);
  color: var(--color-on-primary);
}

.button--danger:hover,
.button--danger:active {
  border-color: var(--color-danger-border);
  background: var(--color-danger-border);
  color: var(--color-on-primary);
}

.button:disabled,
.button[aria-disabled="true"],
button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

/* Forms shared by authentication, lessons and Release 1 workflows. */

input:not([type]),
input[type="text"],
input[type="password"],
input[type="email"],
input[type="url"],
input[type="number"],
input[type="search"],
input[type="tel"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="month"],
input[type="week"],
select,
textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-control-border);
  border-radius: var(--radius-control);
  background: var(--color-control-background);
  color: var(--color-text);
}

textarea {
  min-height: 7.25rem;
  resize: vertical;
}

input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  accent-color: var(--color-success);
}

input:not([type]):focus,
input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
input[type="number"]:focus,
input[type="search"]:focus,
input[type="tel"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
input[type="datetime-local"]:focus,
input[type="month"]:focus,
input[type="week"]:focus,
select:focus,
textarea:focus,
.field-group input:focus {
  border-color: var(--color-primary);
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
  box-shadow: none;
}

input[type="checkbox"]:focus-visible {
  outline: 3px solid rgb(40 124 69 / 35%);
  outline-offset: 3px;
  box-shadow: none;
}

.field-group {
  gap: 0.4rem;
}

.field-group label {
  margin-bottom: 0;
  color: var(--color-text);
  font-weight: 700;
}

.field-group input,
.field-group--error input {
  min-height: 2.75rem;
  border: 1px solid var(--color-control-border);
  border-style: solid;
  border-radius: var(--radius-control);
  background: var(--color-control-background);
  color: var(--color-text);
}

.field-error,
.errorlist {
  color: var(--color-error);
  font-size: 0.9rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
}

.form-card,
.question-card,
.response-card,
.feedback-card {
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.form-card {
  width: min(100%, 48rem);
}

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

legend {
  margin-bottom: 0.75rem;
  color: var(--color-text);
  font-weight: 750;
}

/* Feedback and status */

.message,
.notice,
.completion-banner,
.form-alert {
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--color-border);
  border-left: 0.25rem solid var(--color-primary);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-text);
}

.message--success,
.completion-banner {
  border-color: var(--color-success-border);
  border-left-color: var(--color-success-border);
  background: var(--color-success-background);
  color: var(--color-success-strong);
}

.message--warning,
.notice {
  border-color: var(--color-border);
  border-left-color: var(--color-warning);
  background: var(--color-warning-background);
  color: var(--color-warning);
}

.message--error,
.form-alert {
  border-color: var(--color-border);
  border-left-color: var(--color-error-border);
  background: var(--color-error-background);
  color: var(--color-error);
  font-weight: 650;
}

/* Login */

.page-login {
  background:
    radial-gradient(circle at 12% 8%, rgb(230 68 34 / 14%), transparent 28rem),
    var(--color-background);
}

.login-layout {
  width: min(100% - 2.5rem, 31rem);
  padding-block: 1.25rem;
}

.login-card {
  padding: clamp(1.5rem, 5vw, 2.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-auth);
  background: var(--color-surface);
  box-shadow: var(--shadow-auth);
}

.login-brand {
  margin-bottom: 1.5rem;
  padding: 0;
  background: transparent;
}

.login-brand .brand-mark {
  width: min(100%, 11rem);
}

.login-logo {
  max-height: 3.4rem;
}

.login-heading {
  margin-bottom: 1.5rem;
}

.login-heading h1 {
  font-size: clamp(1.75rem, 7vw, 2.4rem);
}

.login-form {
  gap: 1.1rem;
}

.login-help {
  margin-top: 1.25rem;
  line-height: 1.45;
}

/* Dashboard and cards */

.dashboard-hero {
  gap: clamp(1.5rem, 5vw, 3.5rem);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-card);
}

.dashboard-hero .eyebrow {
  color: var(--color-secondary);
}

.dashboard-hero .lead {
  color: var(--color-text-supporting);
}

.dashboard-hero > .button {
  margin-top: -0.25rem;
}

.progress-panel {
  padding: 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  color: var(--color-text);
}

.dashboard-hero .progress-panel {
  border-color: var(--color-border);
  background: var(--color-neutral-background);
  color: var(--color-text);
}

progress {
  height: 0.75rem;
  border: 0;
  background: var(--color-divider);
  accent-color: var(--color-primary);
}

progress::-webkit-progress-bar {
  background: var(--color-divider);
}

progress::-webkit-progress-value {
  background: var(--color-primary);
}

progress::-moz-progress-bar {
  background: var(--color-primary);
}

.weeks-section,
.materials-section {
  padding-top: clamp(2.25rem, 5vw, 4rem);
}

.week-grid {
  gap: 1rem;
}

.week-card,
.material-card__link,
.empty-state {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.week-card {
  min-height: 13rem;
  padding: 1.25rem;
  border-top-width: 1px;
  border-top-color: var(--color-border);
  box-shadow: var(--shadow-card);
}

.week-card--locked {
  border-style: solid;
  background: var(--color-neutral-background);
  box-shadow: none;
}

.week-card--preview {
  border-color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.week-card__badges {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: flex-end;
}

.week-card__preview-progress {
  margin-top: 1rem;
}

.week-card__preview-progress .full-progress {
  padding: 0.9rem;
  box-shadow: none;
}

.week-number {
  color: var(--color-text-muted);
}

.status-badge,
.completion-state {
  gap: 0.35rem;
  border: 1px solid var(--color-control-border);
  background: var(--color-control-background);
  color: var(--color-text-strong-muted);
}

.status-badge::before,
.completion-state::before {
  color: currentColor;
  content: "●";
  font-size: 0.65em;
}

.status-badge--open,
.completion-state--done {
  border-color: var(--color-success-border);
  background: var(--color-success-background);
  color: var(--color-success-strong);
}

.status-badge--locked,
.locked-note {
  color: var(--color-text-muted);
}

.status-badge--locked::before {
  content: "○";
}

.status-badge--archived {
  border-color: var(--color-secondary);
  background: var(--color-surface);
  color: var(--color-secondary);
}

.status-badge--preview {
  border-color: var(--color-primary-border);
  background: var(--color-warning-background);
  color: var(--color-secondary);
}

.status-badge--preview::before {
  content: "◆";
}

.text-link {
  color: var(--color-secondary);
}

.empty-state {
  border-style: dashed;
  color: var(--color-text-muted);
}

/* Week and material list */

.breadcrumbs {
  color: var(--color-text-muted);
}

.breadcrumbs a {
  color: var(--color-secondary);
}

.preview-notice {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  margin: -0.5rem 0 1.5rem;
  border-left-color: var(--color-primary);
  background: var(--color-warning-background);
  color: var(--color-text);
}

.preview-notice .status-badge {
  flex: 0 0 auto;
}

.preview-notice p {
  margin: 0;
}

.week-header {
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.week-header + .notice {
  margin-top: 1rem;
}

.material-list {
  gap: 0.8rem;
}

.material-card__link {
  min-height: 6rem;
  box-shadow: 0 0.35rem 1rem rgb(52 37 21 / 4%);
}

.material-card__link:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0.55rem 1.5rem rgb(52 37 21 / 8%);
  color: var(--color-text);
}

.material-card__marker {
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-control);
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.material-card__meta {
  color: var(--color-text-muted);
}

/* Long-form lesson reading */

.lesson-layout {
  width: min(100%, var(--ui-reading-width));
}

.lesson-header {
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.lesson-copy {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.lesson-copy p,
.lesson-copy li {
  max-width: 70ch;
}

.lesson-copy p + p,
.lesson-copy ul + p,
.lesson-copy ol + p {
  margin-top: 1.15em;
}

.lesson-copy h2,
.lesson-copy h3,
.lesson-copy h4 {
  margin-top: 2.2em;
  margin-bottom: 0.75em;
}

.lesson-copy blockquote {
  margin-block: 1.75rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--color-border);
  border-left: 0.25rem solid var(--color-primary);
  border-radius: var(--radius-control);
  background: var(--color-neutral-background);
}

.lesson-copy blockquote > :last-child {
  margin-bottom: 0;
}

.lesson-copy pre {
  border-color: var(--color-divider);
  background: var(--color-neutral-background);
}

.lesson-copy th {
  background: #F8F4ED;
  color: #5D5145;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.lesson-copy th,
.lesson-copy td {
  border-color: var(--color-divider);
}

.completion-panel {
  border: 1px solid var(--color-success-border);
  border-radius: var(--radius-card);
  background: var(--color-success-background);
  color: var(--color-success-strong);
}

.lesson-navigation {
  border-color: var(--color-divider);
}

.lesson-navigation__link {
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-secondary);
  text-decoration: none;
}

.lesson-navigation__link:hover {
  border-color: var(--color-primary);
  background: var(--color-hover-background);
  color: var(--color-text);
}

/* Release 1 interactive workflows */

.release-notice,
.full-progress,
.activity-card,
.workflow-header,
.workflow-field,
.quiz-question,
.form-submit-panel,
.guidance-panel,
.feedback-section,
.saved-answer-section,
.result-card,
.history-item {
  border-color: var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.release-notice {
  border-left-color: var(--color-primary);
}

.full-progress {
  background: var(--color-neutral-background);
}

.progress-checklist > div {
  border-color: var(--color-divider);
}

.activity-card {
  border-radius: var(--radius-card);
}

.activity-card:hover {
  border-color: var(--color-primary);
}

.workflow-header {
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.workflow-header__topline {
  align-items: center;
}

.workflow-instructions,
.scenario-description {
  margin-top: 1rem;
  padding: 1rem;
  border-left: 0.25rem solid var(--color-primary);
  border-radius: var(--radius-control);
  background: var(--color-neutral-background);
  color: var(--color-text-supporting);
}

.workflow-field,
.quiz-question {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.workflow-field:focus-within,
.quiz-question:focus-within {
  border-color: var(--color-primary);
}

input[type="radio"] {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  accent-color: var(--color-primary);
}

input[type="radio"]:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 3px;
  box-shadow: none;
}

.choice-list label,
.workflow-field > div > div > label {
  min-height: 2.75rem;
  border-color: var(--color-control-border);
  background: var(--color-control-background);
  color: var(--color-text);
}

.workflow-field > div > div + div {
  margin-top: 0.5rem;
}

.workflow-field > div > div > label {
  display: grid;
  grid-template-columns: 1.25rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-control-border);
  border-radius: var(--radius-control);
  cursor: pointer;
}

.choice-list label:hover,
.workflow-field > div > div > label:hover {
  border-color: var(--color-secondary);
  background: var(--color-hover-background);
}

.choice-list label:focus-within,
.workflow-field > div > div > label:focus-within {
  border-color: var(--color-primary);
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

.ordering-row {
  border-color: var(--color-border);
  background: var(--color-neutral-background);
}

.ordering-row select {
  min-height: 2.75rem;
  border: 1px solid var(--color-control-border);
  border-radius: var(--radius-control);
  background: var(--color-control-background);
  color: var(--color-text);
}

.form-submit-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-neutral-background);
}

.guidance-panel,
.feedback-section,
.saved-answer-section {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.feedback-item,
.review-item {
  border: 1px solid var(--color-divider);
  border-left: 0.25rem solid var(--color-primary);
  border-radius: var(--radius-control);
  background: var(--color-neutral-background);
}

.review-item {
  border-left-color: var(--color-error-border);
}

.result-card {
  border: 1px solid var(--color-border);
  border-top: 0.5rem solid var(--color-primary);
  border-radius: var(--radius-card);
}

.result-card--passed {
  border-top-color: var(--color-success-border);
}

.result-card--failed {
  border-top-color: var(--color-error-border);
}

.history-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.state-text {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--color-control-border);
  border-radius: 999px;
  background: var(--color-control-background);
  color: var(--color-text-strong-muted);
  line-height: 1.2;
  text-decoration: none;
}

.state-text--passed,
.state-text--accepted {
  border-color: var(--color-success-border);
  background: var(--color-success-background);
  color: var(--color-success-strong);
  text-decoration: none;
}

.state-text--submitted {
  border-color: var(--color-border);
  background: var(--color-warning-background);
  color: var(--color-warning);
  text-decoration: none;
}

.state-text--failed,
.state-text--revision_required {
  padding-left: 0.55rem;
  border: 1px solid var(--color-error-border);
  background: var(--color-error-background);
  color: var(--color-error);
}

.state-text--not_started,
.state-text--not_submitted {
  background: var(--color-neutral-background);
  color: var(--color-text-muted);
}

@media (forced-colors: active) {
  :focus-visible {
    outline: 3px solid CanvasText;
    box-shadow: none;
  }
}