@import url("./tokens.css");

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* WCAG 2.4.11: keep focused fields clear of the sticky header + lesson bar */
  scroll-padding-top: 8.5rem;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--body-size);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-base);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -100%;
  z-index: 1000;
  padding: 0.6rem 1rem;
  background: var(--accent-signal);
  color: var(--btn-ink, #0B0D10);
  font-weight: 600;
  border-radius: 0 0 8px 8px;
  text-decoration: none;
}
.skip-link:focus {
  top: 0;
}

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}
:focus:not(:focus-visible) {
  outline: none;
}

a {
  color: var(--accent-signal);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--accent-signal-dim); }

/* Layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg-raised) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
}
.site-header__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}
.brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand__mark {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-signal);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent-signal) 45%, transparent);
}
.nav-primary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
}
.nav-primary a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.25rem 0.15rem;
}
.nav-primary a:hover,
.nav-primary a[aria-current="page"] {
  color: var(--accent-signal);
}
.nav-primary a[aria-disabled="true"],
.nav-primary a.is-locked {
  color: var(--text-muted);
  pointer-events: none;
  cursor: not-allowed;
}
.progress-chip {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.site-main {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.5rem 1.25rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Hero */
.hero {
  position: relative;
  padding: 2.5rem 0 2rem;
  max-width: 65ch;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -2rem -4rem auto;
  height: 14rem;
  background: radial-gradient(ellipse at 30% 40%, rgba(45, 212, 191, 0.1), transparent 60%);
  pointer-events: none;
  z-index: -1;
}
@media (prefers-reduced-motion: no-preference) {
  .hero::before { animation: glow-in 280ms ease-out; }
}
@keyframes glow-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.hero h1 {
  font-size: var(--h1-size);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 0.75rem;
}
.hero .lede {
  color: var(--text-secondary);
  margin: 0 0 1.5rem;
  max-width: 62ch;
}
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-signal);
  margin-bottom: 0.5rem;
}

/* Module cards */
.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .card-grid.card-grid--3 { grid-template-columns: 1fr 1fr 1fr; }
}

.module-card {
  position: relative;
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.15rem 1.15rem 1.15rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: background 120ms ease, border-color 120ms ease;
}
.module-card:hover {
  background: var(--bg-overlay);
  border-color: var(--border-strong);
}
.module-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 4px;
  border-radius: 0 3px 3px 0;
  background: var(--rail-core);
}
.module-card--elective::before { background: var(--rail-elective); }
.module-card--summary {
  border-style: dashed;
}
.module-card--summary::before {
  background: var(--text-muted);
}
.module-card--locked {
  opacity: 0.55;
}
.module-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.module-card__title {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.module-card__desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  flex: 1;
}
.module-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.35rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}
.badge--ok {
  border-color: color-mix(in srgb, var(--ok) 45%, transparent);
  color: var(--ok);
}
.badge--iris {
  border-color: color-mix(in srgb, var(--accent-iris) 50%, transparent);
  color: var(--accent-iris);
}
.badge--muted {
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 120ms ease, border-color 120ms ease;
}
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn--primary {
  background: var(--accent-signal);
  color: var(--btn-ink, #0B0D10);
}
.btn--primary:hover:not(:disabled) {
  background: var(--accent-signal-dim);
  color: var(--btn-ink, #0B0D10);
}
.btn--secondary {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-primary);
}
.btn--secondary:hover:not(:disabled) {
  background: var(--bg-overlay);
}
.btn--ghost {
  background: transparent;
  color: var(--accent-signal);
  padding-left: 0;
  padding-right: 0;
}
.btn--iris {
  background: var(--accent-iris);
  color: var(--btn-ink, #0B0D10);
}

/* Lesson chrome */
.lesson-bar {
  position: sticky;
  top: 4.5rem; /* clears the 71px sticky header */
  z-index: 50;
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.65rem 1rem;
  margin-bottom: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  font-size: 0.875rem;
}
.lesson-bar__id {
  font-weight: 700;
  color: var(--accent-signal);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.lesson-content {
  max-width: var(--content-max);
}
.lesson-content h2 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 2rem 0 0.75rem;
}
.lesson-content h3 {
  font-size: 1.1rem;
  margin: 1.5rem 0 0.5rem;
}
.lesson-content p,
.lesson-content li {
  color: var(--text-secondary);
}
.lesson-content strong { color: var(--text-primary); }

.clo-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0 1.25rem;
}
.clo-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

/* Screenshot well */
.shot-well {
  background: var(--bg-overlay);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-well);
  padding: 1rem;
  margin: 1.25rem 0;
}
.shot-well__frame {
  min-height: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  padding: 2rem 1rem;
  background: var(--bg-input);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}
.shot-well__label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.shot-well__id {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-signal);
}
.shot-well__alt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 40ch;
}
.shot-well__caption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.shot-well__caption code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.shot-well--captured {
  border-style: solid;
  border-color: var(--border-subtle);
  padding: 0.75rem;
}
.shot-well__figure {
  margin: 0;
}
.shot-well__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-input);
}
.shot-well--captured .shot-well__caption {
  margin: 0.75rem 0.25rem 0.25rem;
}


/* Forms / labs */
.lab-panel {
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  margin: 1.5rem 0;
}
.lab-panel h2,
.lab-panel h3 {
  margin-top: 0;
}
.fieldset {
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1rem 1.1rem 1.15rem;
  margin: 0 0 1rem;
}
.fieldset legend {
  padding: 0 0.4rem;
  font-weight: 600;
  color: var(--text-primary);
}
.field {
  margin-bottom: 1rem;
}
.field label,
.field .label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}
.field .hint {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
input[type="text"],
input[type="search"],
textarea,
select {
  width: 100%;
  max-width: 100%;
  padding: 0.6rem 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
}
textarea {
  min-height: 5.5rem;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
}
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  border-color: var(--accent-signal);
}
.choice-list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.choice-list label {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-input);
  cursor: pointer;
  font-weight: 400;
  color: var(--text-secondary);
}
.choice-list label:hover {
  border-color: var(--border-strong);
}
.choice-list input {
  margin-top: 0.2rem;
  accent-color: var(--accent-signal);
}

/* Status (non-color) */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
}
.status__icon { font-style: normal; }
.status--ok { color: var(--ok); }
.status--warn { color: var(--warn); }
.status--danger { color: var(--danger); }
.status--emerging { color: var(--warn); }
.status--meets { color: var(--ok); }
.status--exceeds { color: var(--accent-iris); }

.feedback {
  margin-top: 0.5rem;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  border-left: 3px solid var(--border-strong);
  background: var(--bg-overlay);
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.feedback--ok { border-left-color: var(--ok); }
.feedback--err { border-left-color: var(--danger); }

.dim-list {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.dim-list li {
  padding: 0.65rem 0.85rem;
  background: var(--bg-overlay);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.callout {
  padding: 1rem 1.15rem;
  border-radius: 10px;
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  margin: 1rem 0;
}
.callout--iris {
  border-color: color-mix(in srgb, var(--accent-iris) 40%, transparent);
  border-left: 3px solid var(--accent-iris);
}
.callout--signal {
  border-left: 3px solid var(--accent-signal);
}

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 2.5rem 0 1rem;
}

.progress-dots {
  display: inline-flex;
  gap: 4px;
}
.progress-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-strong);
}
.progress-dots span.is-done {
  background: var(--accent-signal);
}

.lab-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
  align-items: center;
}

[aria-live] .sr-announce { /* placeholder */ }

.shell-note {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-style: italic;
}

.summary-body {
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.summary-body ul { padding-left: 1.2rem; }
.summary-body li { margin-bottom: 0.35rem; }

.match-row {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  background: var(--bg-input);
  margin-bottom: 0.75rem;
}
@media (min-width: 560px) {
  .match-row {
    grid-template-columns: 1fr 200px;
    align-items: center;
  }
}
.match-row__case {
  color: var(--text-primary);
  margin: 0;
  font-size: 0.95rem;
}

.obj-list {
  padding-left: 1.2rem;
  color: var(--text-secondary);
}
.obj-list li { margin-bottom: 0.4rem; }


/* --- Ellis LX Direction additions --- */
.lede {
  color: var(--text-secondary);
  margin: 0 0 1.5rem;
  max-width: 62ch;
  font-size: 1.05rem;
}
.btn--ghost {
  background: transparent;
  color: var(--accent-signal);
  border-color: transparent;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}
.btn--ghost:hover:not(:disabled) {
  color: var(--accent-signal-dim);
  background: transparent;
}
.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
}
.card-grid--3 {
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .card-grid--3 { grid-template-columns: 1fr 1fr 1fr; }
}
.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 2.5rem 0 1rem;
}
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.5rem 1.25rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}
.badge--iris {
  border-color: color-mix(in srgb, var(--accent-iris) 50%, transparent);
  color: var(--accent-iris);
}
.badge--muted {
  color: var(--text-muted);
}
.module-card--elective::before { background: var(--rail-elective); }
.module-card--summary {
  border-style: dashed;
}
.module-card--summary::before { background: var(--text-muted); }
.module-card--locked { opacity: 0.55; }
.callout {
  padding: 1rem 1.15rem;
  border-radius: 10px;
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  margin: 1rem 0;
}
.callout--iris {
  border-color: color-mix(in srgb, var(--accent-iris) 40%, transparent);
  border-left: 3px solid var(--accent-iris);
}
.callout--signal {
  border-left: 3px solid var(--accent-signal);
}

.exceeds-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent-iris) 50%, transparent);
  color: var(--accent-iris);
}
/* CTA text on teal — dark label for AA */
.btn--primary {
  background: var(--accent-signal);
  color: var(--btn-ink, #0B0D10);
}
.btn--primary:hover:not(:disabled) {
  background: var(--accent-signal-dim);
  color: var(--btn-ink, #0B0D10);
}


/* --- Module shell helpers (Ellis LX pattern) --- */
.lesson-bar {
  position: sticky;
  top: 4.5rem; /* clears the 71px sticky header */
  z-index: 50;
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.65rem 1rem;
  margin-bottom: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  font-size: 0.875rem;
}
.lesson-bar__id {
  font-weight: 700;
  color: var(--accent-signal);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.lesson-content { max-width: var(--content-max); }
.lesson-content h2 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 2rem 0 0.75rem;
  color: var(--text-primary);
}
.lesson-content h3 {
  font-size: 1.1rem;
  margin: 1.5rem 0 0.5rem;
  color: var(--text-primary);
}
.clo-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.75rem 0 1.25rem; }
.clo-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}
.lab-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; align-items: center; }
.field { margin-bottom: 1rem; }
.field label, .field .label {
  display: block; font-weight: 600; margin-bottom: 0.35rem; color: var(--text-primary);
}
.field .hint { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.35rem; }
input[type="text"], textarea, select {
  width: 100%; padding: 0.6rem 0.75rem; font-family: inherit; font-size: 1rem;
  color: var(--text-primary); background: var(--bg-input);
  /* WCAG 1.4.11: control boundary ≥3:1 against every surface */
  border: 1px solid var(--border-input); border-radius: 8px;
}
textarea {
  min-height: 5.5rem; resize: vertical;
  font-family: var(--font-mono); font-size: 0.9rem; line-height: 1.5;
}
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--focus-ring); outline-offset: 2px; border-color: var(--accent-signal);
}
.exceeds-note { font-size: 0.85rem; color: var(--accent-iris); margin-top: 0.5rem; }
.shell-note { color: var(--text-muted); font-size: 0.95rem; font-style: italic; }
.summary-body { color: var(--text-secondary); font-size: 0.95rem; }
.summary-body ul { padding-left: 1.2rem; }
.summary-body li { margin-bottom: 0.35rem; }
.path-picker { display: grid; gap: 0.75rem; margin: 1rem 0; }
@media (min-width: 560px) { .path-picker { grid-template-columns: 1fr 1fr; } }
.path-option {
  display: block; padding: 1rem; border-radius: 10px;
  border: 1px solid var(--border-subtle); background: var(--bg-input); cursor: pointer;
}
.path-option:has(input:checked) {
  border-color: var(--accent-signal);
  box-shadow: 0 0 0 1px var(--accent-signal);
}
.path-option strong { display: block; color: var(--text-primary); margin-bottom: 0.35rem; }
.path-option span { color: var(--text-secondary); font-size: 0.9rem; }
.is-locked { opacity: 0.45; cursor: not-allowed; }

/* ---- Scaffold aliases & missing bits (Signal Deck) ---- */
.shot-well__frame {
  min-height: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  padding: 2rem 1rem;
  background: var(--bg-input);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}
.shot-well__label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.shot-well__id {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-signal);
}
.shot-well__alt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 40ch;
}
.shot-well__caption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.shot-well__caption code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.module-card--summary {
  border-style: dashed;
}
.module-card--summary::before { background: var(--text-muted); }
.badge--muted { color: var(--text-muted); }
.btn--ghost {
  background: transparent;
  color: var(--accent-signal);
  border-color: transparent;
}
.btn--ghost:hover:not(:disabled) {
  color: var(--accent-signal-dim);
  background: transparent;
}
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.5rem 1.25rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}
.exceeds-badge, .exceeds-note {
  color: var(--accent-iris);
  font-size: 0.85rem;
}
.shell-note { color: var(--text-muted); font-style: italic; }
.is-locked { opacity: 0.45; cursor: not-allowed !important; }

/* --- Dynamic form rows / tables (M3–E3 labs) --- */
.row-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.row-item {
  padding: 0.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--bg-input);
}
.row-grid {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 0.65rem;
  align-items: end;
}
.row-grid--3 {
  grid-template-columns: 1fr 1fr 1fr auto;
}
.row-grid--schema {
  grid-template-columns: 1fr 1fr 0.8fr 1fr auto auto;
  align-items: end;
}
@media (max-width: 720px) {
  .row-grid,
  .row-grid--3,
  .row-grid--schema {
    grid-template-columns: 1fr;
  }
}
.row-item .field { margin-bottom: 0; }
.check-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding-bottom: 0.55rem;
  font-weight: 500;
}
.btn--sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 0.75rem 0 0;
}
.data-table th,
.data-table td {
  text-align: left;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  vertical-align: top;
}
.data-table th {
  color: var(--text-primary);
  font-weight: 600;
}
.fieldset label {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.45rem;
  margin-right: 1rem;
  margin-bottom: 0.35rem;
  color: var(--text-secondary);
  font-weight: 400;
}
.fieldset[disabled] {
  opacity: 0.7;
  pointer-events: none;
}
.skip-inline {
  font-size: 0.875rem;
}


/* ---------------------------------------------------------------------------
   2026-09-23 polish pass: WCAG 2.2 AA + voice refresh
   --------------------------------------------------------------------------- */

/* Placeholder text meets 4.5:1 (muted token is ≥5.5:1 on inputs) */
::placeholder { color: var(--text-muted); opacity: 1; }

/* Native checkboxes/radios: larger targets (2.5.8) + brand color */
input[type="checkbox"],
input[type="radio"] {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.2rem;
  accent-color: var(--accent-signal);
  flex-shrink: 0;
}

/* Nav targets ≥24×24 (2.5.8) */
.nav-primary a {
  display: inline-block;
  min-height: 1.75rem;
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
}
.nav-primary a.is-locked { opacity: 0.7; }

/* Locked items stay legible (not relied on for contrast, but friendlier) */
.is-locked { opacity: 0.7; }

/* Remove button: comfortable target */
.btn--sm { min-height: 2rem; }

/* Error + recovery patterns (3.3.1 / 3.3.3) */
.field-error {
  display: flex;
  gap: 0.4rem;
  align-items: flex-start;
  margin: 0.4rem 0 0.9rem;
  padding: 0.5rem 0.7rem;
  border-left: 3px solid var(--warn);
  border-radius: 6px;
  background: var(--bg-overlay);
  color: var(--text-primary);
  font-size: 0.9rem;
}
.field-error .status__icon { color: var(--warn); font-weight: 700; }
[aria-invalid="true"] {
  border-color: var(--warn) !important;
  box-shadow: 0 0 0 1px var(--warn);
}
.fix-list {
  margin: 0.4rem 0 0.2rem;
  padding-left: 1.2rem;
}
.fix-list li { margin-bottom: 0.2rem; color: var(--text-primary); }
.dim-list > li .fix-list li { padding: 0; background: none; border: 0; }
.fix-jump { font-size: 0.875rem; font-weight: 600; }
.status-note { color: var(--text-muted); font-size: 0.85rem; }
.level-legend,
.tip {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.tip { margin-top: 0.75rem; }
.hint-text { color: var(--text-secondary); font-size: 0.95rem; }
.feedback--warn { border-left-color: var(--warn); color: var(--text-primary); }

/* Single-input rows (steps) */
.row-grid--1 { grid-template-columns: 1fr auto; }

/* Screenshot wells */
.shot-well__zoom { margin-left: 0.35rem; white-space: nowrap; }
.shot-well__img { height: auto; }

/* Hub */
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.hero__status { color: var(--text-secondary); margin-top: 0.75rem; }
.module-card--next { border-color: var(--accent-signal); }
.module-card--done::before { background: var(--ok); }
.site-footer p { margin: 0.35rem 0; }
.site-footer .btn--ghost { font-size: 0.85rem; }

/* Focus target for result panels moved into view programmatically */
[tabindex="-1"]:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 4px; }

/* Reflow (1.4.10) + focus-not-obscured on small screens: drop sticky chrome */
@media (max-width: 900px) {
  /* Header wraps below ~900px; keep sticky chrome from overlapping (2.4.11) */
  html { scroll-padding-top: 1rem; }
  .site-header,
  .lesson-bar { position: static; }
}
@media (max-width: 720px) {
  .site-header__inner { padding: 0.6rem 1rem; }
  .site-main { padding: 1.25rem 1rem 3rem; }
  .row-grid--1 { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------------------
   2026-09-23 batch 2: examples, recall, steps, calibration, hub tools, summary page
   --------------------------------------------------------------------------- */
.example {
  margin: 1rem 0 1.5rem; padding: 0.75rem 1rem; border-radius: 10px;
  background: var(--bg-raised); border: 1px solid var(--border-subtle);
}
.example summary { cursor: pointer; font-weight: 600; color: var(--accent-signal); min-height: 1.5rem; }
.example[open] summary { margin-bottom: 0.5rem; }
.example-list dt { font-weight: 700; color: var(--text-primary); margin-top: 0.6rem; }
.example-list dd { margin: 0.15rem 0 0; color: var(--text-secondary); }
.example-list .why { display: block; font-size: 0.85rem; color: var(--text-muted); font-style: italic; }
.recall { margin: 1rem 0 2rem; }
.recall h2 { margin-top: 0; }
.recall-from {
  display: inline-block; margin-right: 0.4rem; padding: 0.05rem 0.45rem; border-radius: 999px;
  font-size: 0.75rem; font-weight: 600; border: 1px solid var(--border-strong); color: var(--text-secondary);
}
.step-title { margin: 1.5rem 0 0.6rem; font-size: 1.1rem; }
.step-num {
  display: inline-block; margin-right: 0.4rem; font-family: var(--font-sans); font-size: 0.75rem;
  font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent-signal);
}
.for-who { color: var(--text-secondary); }
.calibration { margin-top: 0.75rem; font-size: 0.9rem; }
.footer-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
.file-btn { cursor: pointer; }
.file-btn:focus-within { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.summary-name { font-family: var(--font-heading, var(--font-sans)); font-size: 1.5rem; margin: 0.5rem 0 1rem; }

@media print {
  :root, :root[data-theme], :root[data-mode] {
    --bg-base: #FFFFFF; --bg-raised: #FFFFFF; --bg-overlay: #F3F4F6; --bg-input: #FFFFFF;
    --text-primary: #111111; --text-secondary: #333333; --text-muted: #555555;
    --border-subtle: #CCCCCC; --ok: #047857; --accent-signal: #0E6B63;
  }
  .site-header, .site-footer, .no-print, .theme-bar, .skip-link { display: none !important; }
  body { background: #FFFFFF; color: #111111; }
  .site-main { padding: 0; }
}
.section-label, .eyebrow { font-family: var(--font-sans); }

/* Objectives (course outcomes on hub; module objectives at top of each module) */
.objectives {
  margin: 0 0 2rem; padding: 1rem 1.2rem; border-radius: 12px;
  background: var(--bg-raised); border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--mod, var(--accent-signal));
}
.objectives h2 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.objective-list { margin: 0 0 0.6rem; padding-left: 1.3rem; }
.objective-list li { margin-bottom: 0.35rem; color: var(--text-secondary); }
.objective-list strong { color: var(--text-primary); }
.objective-evidence { margin: 0; font-size: 0.92rem; color: var(--text-secondary); }
.outcomes { margin: 0.5rem 0 2.5rem; }
.outcomes-intro { color: var(--text-secondary); max-width: 46rem; }
.outcome-list { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: 0.6rem; }
@media (min-width: 900px) { .outcome-list { grid-template-columns: 1fr 1fr; } }
.outcome-list li {
  display: flex; gap: 0.75rem; align-items: flex-start; padding: 0.8rem 1rem; border-radius: 10px;
  background: var(--bg-raised); border: 1px solid var(--border-subtle); color: var(--text-secondary);
}
.outcome-list li strong { color: var(--text-primary); }
.outcome-num {
  flex: none; width: 1.8rem; height: 1.8rem; border-radius: 50%; display: grid; place-items: center;
  font-weight: 700; font-size: 0.9rem; background: var(--accent-signal); color: var(--btn-ink, #0B0D10);
}
.outcome-where { display: inline-block; margin-left: 0.25rem; font-size: 0.9rem; font-weight: 600; white-space: nowrap; }

/* ===========================================================================
   Card system v2 (Jeff, 2026-09-23): course map (E) + editorial numerals (A).
   No colored left stripes anywhere.
   =========================================================================== */
.module-card { padding: 1.15rem 1.25rem; overflow: hidden; }
.module-card::before { content: none; }

/* Electives + any grid card: faint editorial numeral in the corner (decorative) */
.module-card[data-num]::after {
  content: attr(data-num);
  position: absolute; right: 0.8rem; bottom: -1.2rem;
  font-family: var(--font-heading, var(--font-sans)); font-weight: 700; font-size: 5.2rem; line-height: 1;
  color: color-mix(in srgb, var(--mod, var(--accent-signal)) 18%, transparent);
  pointer-events: none;
}
.module-card .module-card__desc, .module-card .module-card__title { position: relative; z-index: 1; max-width: 88%; }
.module-card__meta span:first-child { font-weight: 700; color: var(--mod, var(--accent-signal)); }

/* Core path: numbered course map */
.course-map { grid-template-columns: 1fr !important; position: relative; padding-left: 64px; max-width: 820px; gap: 1rem; }
.course-map::before {
  content: ""; position: absolute; left: 21px; top: 26px; bottom: 26px; width: 2px; border-radius: 2px;
  background: var(--theme-gradient, var(--border-strong)); opacity: 0.55;
}
.course-map .module-card { overflow: visible; }
.course-map .module-card::after { content: none; }
.course-map .module-card::before {
  content: attr(data-num);
  position: absolute; left: -64px; top: 1.05rem; z-index: 1;
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-heading, var(--font-sans)); font-weight: 700; font-size: 1rem;
  background: var(--bg-raised); color: var(--mod); border: 2px solid var(--mod);
}
.course-map .module-card[data-num="3.5"]::before { font-size: 0.85rem; }
.course-map .module-card--done::before { content: "✓"; background: var(--mod); color: var(--btn-ink, #0B0D10); }
.course-map .module-card--next { border-color: color-mix(in srgb, var(--mod) 55%, var(--border-subtle)); }
.course-map .module-card--next::before {
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--mod) 22%, transparent);
  animation: gba-pulse 1.6s ease-in-out 3; /* 3 soft pulses (~5s), then a steady ring — WCAG 2.2.2 */
}
.course-map .module-card--summary { border-style: dashed; }
@keyframes gba-pulse {
  0%, 100% { box-shadow: 0 0 0 5px color-mix(in srgb, var(--mod) 22%, transparent); }
  50% { box-shadow: 0 0 0 11px color-mix(in srgb, var(--mod) 6%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
  .course-map .module-card--next::before, .lesson-stepper i.is-current { animation: none !important; }
}
@media (max-width: 560px) {
  .course-map { padding-left: 52px; }
  .course-map::before { left: 17px; }
  .course-map .module-card::before { left: -52px; width: 36px; height: 36px; font-size: 0.85rem; }
}

/* Lesson bar: editorial numeral + mini stepper */
.lesson-bar__num {
  font-family: var(--font-heading, var(--font-sans)); font-weight: 700; font-size: 1.6rem; line-height: 1;
  color: var(--mod, var(--accent-signal)); letter-spacing: -0.02em;
}
.lesson-stepper { display: inline-flex; gap: 0.35rem; align-items: center; margin-left: auto; }
.lesson-stepper i { display: block; width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.lesson-stepper i.is-done { background: var(--ok); }
.lesson-stepper i.is-current {
  width: 24px; border-radius: 6px; background: var(--c);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 25%, transparent);
  animation: gba-pulse-dot 1.6s ease-in-out 3;
}
@keyframes gba-pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 25%, transparent); }
  50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--c) 6%, transparent); }
}

/* Stripe-free callouts, feedback, errors, objectives: tinted background + full hairline border */
.callout, .callout--iris, .callout--signal {
  border: 1px solid var(--border-subtle); border-left-width: 1px;
}
.callout--signal { background: color-mix(in srgb, var(--accent-signal) 7%, var(--bg-overlay)); border-color: color-mix(in srgb, var(--accent-signal) 30%, var(--border-subtle)); }
.callout--iris { background: color-mix(in srgb, var(--accent-iris) 7%, var(--bg-overlay)); border-color: color-mix(in srgb, var(--accent-iris) 30%, var(--border-subtle)); }
.feedback { border: 1px solid var(--border-subtle); border-left-width: 1px; }
.feedback--ok { background: color-mix(in srgb, var(--ok) 8%, var(--bg-overlay)); border-color: color-mix(in srgb, var(--ok) 35%, var(--border-subtle)); }
.feedback--err { background: color-mix(in srgb, var(--danger) 7%, var(--bg-overlay)); border-color: color-mix(in srgb, var(--danger) 35%, var(--border-subtle)); }
.feedback--warn { background: color-mix(in srgb, var(--warn) 8%, var(--bg-overlay)); border-color: color-mix(in srgb, var(--warn) 40%, var(--border-subtle)); }
.field-error { border: 1px solid color-mix(in srgb, var(--warn) 45%, var(--border-subtle)); border-left-width: 1px; background: color-mix(in srgb, var(--warn) 8%, var(--bg-overlay)); }
.objectives { border-left-width: 1px; }
.objectives h2::before {
  content: "◎"; margin-right: 0.45rem; color: var(--mod, var(--accent-signal)); font-family: var(--font-sans);
}

/* ID review additions: criteria box, big question, tags, tables */
.good-box {
  margin: 0 0 2rem; padding: 1rem 1.2rem; border-radius: 12px;
  background: color-mix(in srgb, var(--ok) 6%, var(--bg-raised)); border: 1px solid color-mix(in srgb, var(--ok) 30%, var(--border-subtle));
}
.good-box h2 { margin: 0 0 0.4rem; font-size: 1.1rem; }
.good-box h2::before { content: "✓"; margin-right: 0.45rem; color: var(--ok); font-family: var(--font-sans); }
.good-list { margin: 0.4rem 0 0.6rem; padding-left: 1.2rem; color: var(--text-secondary); }
.good-list li { margin-bottom: 0.3rem; }
.good-list strong { color: var(--text-primary); }
.good-pass { margin: 0.4rem 0; }
.good-note { margin: 0; font-size: 0.88rem; color: var(--text-muted); }
.big-question { margin: 0.75rem 0 0; font-family: var(--font-heading, var(--font-sans)); font-size: 1.1rem; color: var(--text-primary); }
.big-question__label {
  display: inline-block; margin-right: 0.5rem; padding: 0.1rem 0.55rem; border-radius: 999px; vertical-align: 0.15em;
  font-family: var(--font-sans); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--mod, var(--accent-signal)); border: 1px solid color-mix(in srgb, var(--mod, var(--accent-signal)) 45%, transparent);
}
.obj-tag, .req-tag { font-size: 0.8rem; color: var(--text-muted); font-weight: 400; }
.req-tag { display: inline-block; font-family: var(--font-sans); padding: 0.05rem 0.5rem; border-radius: 999px; border: 1px solid var(--border-strong); vertical-align: 0.2em; }
.table-wrap { overflow-x: auto; margin: 0.75rem 0 1rem; }
.prereq-note { font-size: 0.92rem; color: var(--text-secondary); }
.big-questions { margin: 0 0 2.5rem; }
.bigq-list { margin: 0.75rem 0 0; padding-left: 1.2rem; font-family: var(--font-heading, var(--font-sans)); font-size: 1.1rem; color: var(--text-primary); }
.bigq-list li { margin-bottom: 0.35rem; }
.outcome-status { list-style: none; padding: 0; margin: 0.75rem 0; }
.outcome-status li { margin-bottom: 0.45rem; color: var(--text-secondary); }
.outcome-status strong { color: var(--text-primary); }
.reflection { margin-top: 1rem; }
.lesson-content > header + .objectives, .lesson-content > .objectives { margin-top: 1.5rem; }
.site-main { overflow-x: clip; } /* decorative hero glow must never cause sideways scroll (1.4.10) */
.objectives { border-left: 1px solid var(--border-subtle); } /* no colored left edge (card system v2) */

/* On-page confirm (Start over, Load progress): replaces window.confirm, which embedded browsers can block */
.inline-confirm {
  max-width: 34rem; margin: 0.75rem auto 0; padding: 0.9rem 1rem;
  border: 1px solid var(--danger); border-radius: var(--radius-well);
  background: var(--bg-raised); color: var(--text-primary); text-align: left;
}
.inline-confirm p { margin: 0; }
.inline-confirm #gba-confirm-msg:focus { outline: none; }
.inline-confirm:focus-within { box-shadow: 0 0 0 2px var(--focus-ring); }
.inline-confirm__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem !important; }
.btn--danger { background: var(--danger); border-color: var(--danger); color: var(--btn-ink, #0B0D10); }
.btn--danger:hover { filter: brightness(1.08); }

/* Path picker cards (M0): radio + title on one line, description underneath.
   Needs .fieldset in the selector to beat the generic ".fieldset label" inline-flex row. */
.fieldset .path-option {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 0.65rem;
  row-gap: 0.3rem;
  align-items: center;
  align-content: start;   /* equal-height cards: keep title + text together at the top */
  margin: 0;
  padding: 1.1rem 1.25rem;
  color: var(--text-secondary);
}
.fieldset .path-option input { margin: 0; }
.fieldset .path-option strong { grid-column: 2; margin: 0; font-size: 1.05rem; line-height: 1.3; }
.fieldset .path-option span { grid-column: 2; font-size: 0.95rem; line-height: 1.5; }
.path-option:hover { border-color: var(--border-strong); }

/* ===========================================================================
   Elective cards without numerals (Jeff, 2026-09-23). Switch with ?cards=
     icon (default) | glow | header | chips      (numeral = the retired E1/E2/E3 look, kept)
   Each elective has its own line icon (also used in its lesson bar instead of "E1").
   =========================================================================== */
.module-card[data-mod="e1"], body[data-module="e1"] { --e-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 5h10M4 9h8M4 13h5'/%3E%3Ccircle cx='15.5' cy='15' r='4'/%3E%3Cpath d='m18.5 18 2.5 2.5'/%3E%3C/svg%3E"); }
.module-card[data-mod="e2"], body[data-module="e2"] { --e-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3.5' y='4' width='17' height='16' rx='2.5'/%3E%3Cpath d='M3.5 9.5h17M3.5 14.8h17M9.5 4v16'/%3E%3C/svg%3E"); }
.module-card[data-mod="e3"], body[data-module="e3"] { --e-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='12.5' rx='2.5'/%3E%3Cpath d='M10.2 8v4.5l3.9-2.25z' fill='%23000'/%3E%3Cpath d='M8.5 20h7'/%3E%3C/svg%3E"); }

/* Retire the big numerals unless ?cards=numeral */
:root:not([data-cards="numeral"]) .module-card--elective::after { content: none; }
.module-card__tags { display: none; }

/* 1. Glow: a soft aura of the elective's color in the top-right corner, with one small sparkle */
:root[data-cards="glow"] .module-card--elective {
  background:
    radial-gradient(in oklab circle 11rem at 100% 0%,
      color-mix(in srgb, var(--mod) 14%, transparent) 0%,
      color-mix(in srgb, var(--mod) 7%, transparent) 45%,
      transparent 100%),
    var(--bg-raised);
}
:root[data-cards="glow"] .module-card--elective::after {
  content: ""; position: absolute; top: 1.1rem; right: 1.15rem; width: 18px; height: 18px;
  background: var(--mod); opacity: 0.55;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2.5Q12 12 21.5 12Q12 12 12 21.5Q12 12 2.5 12Q12 12 12 2.5Z' fill='%23000' stroke='none'/%3E%3C/svg%3E") center / contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2.5Q12 12 21.5 12Q12 12 12 21.5Q12 12 2.5 12Q12 12 12 2.5Z' fill='%23000' stroke='none'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* 2. Icon: a tinted rounded tile with the elective's line icon, top-right, level with the meta line.
   The left edge (label, title, description) stays clean for scanning; no extra space at the top. */
:root[data-cards="icon"] .module-card--elective .module-card__meta,
:root[data-cards="icon"] .module-card--elective .module-card__title { padding-right: 3.4rem; max-width: none; }
:root[data-cards="icon"] .module-card--elective::before {
  content: ""; position: absolute; top: 1rem; right: 1rem; left: auto; bottom: auto; width: 40px; height: 40px; border-radius: 11px;
  background: color-mix(in srgb, var(--mod) 12%, var(--bg-raised));
  border: 1px solid color-mix(in srgb, var(--mod) 30%, var(--border-subtle));
}
:root[data-cards="icon"] .module-card--elective::after {
  content: ""; position: absolute; top: calc(1rem + 9px); right: calc(1rem + 9px); left: auto; bottom: auto; width: 22px; height: 22px;
  background: var(--mod);
  -webkit-mask: var(--e-icon) center / contain no-repeat; mask: var(--e-icon) center / contain no-repeat;
}

/* 3. Header: a soft tinted cap across the top of the card, with the icon on the right */
:root[data-cards="header"] .module-card--elective { padding-top: 0; }
:root[data-cards="header"] .module-card--elective .module-card__meta {
  margin: 0 -1.25rem 0.9rem; padding: 0.85rem 1.25rem;
  background: linear-gradient(120deg, color-mix(in srgb, var(--mod) 11%, var(--bg-raised)), color-mix(in srgb, var(--mod) 3%, var(--bg-raised)));
  border-bottom: 1px solid color-mix(in srgb, var(--mod) 18%, var(--border-subtle));
}
:root[data-cards="header"] .module-card--elective::after {
  content: ""; position: absolute; top: 0.8rem; right: 1.15rem; width: 20px; height: 20px;
  background: var(--mod); opacity: 0.8;
  -webkit-mask: var(--e-icon) center / contain no-repeat; mask: var(--e-icon) center / contain no-repeat;
}

/* 4. Chips: purely typographic; "what you'll build" chips in the elective's color, no decoration */
:root[data-cards="chips"] .module-card__tags {
  display: flex; flex-wrap: wrap; gap: 0.35rem; list-style: none; margin: 0 0 1rem; padding: 0;
}
:root[data-cards="chips"] .module-card__tags li {
  font-size: 0.8rem; font-weight: 600; padding: 0.15rem 0.6rem; border-radius: 999px;
  color: color-mix(in srgb, var(--mod) 80%, var(--text-primary));
  background: color-mix(in srgb, var(--mod) 9%, var(--bg-raised));
  border: 1px solid color-mix(in srgb, var(--mod) 28%, var(--border-subtle));
}

/* Elective lesson bars: the icon replaces "E1/E2/E3" (unless ?cards=numeral) */
:root:not([data-cards="numeral"]) body[data-module^="e"] .lesson-bar__num {
  font-size: 0; width: 30px; height: 30px; border-radius: 9px; display: inline-grid; place-items: center;
  background: color-mix(in srgb, var(--mod) 12%, var(--bg-raised));
  border: 1px solid color-mix(in srgb, var(--mod) 30%, var(--border-subtle));
}
:root:not([data-cards="numeral"]) body[data-module^="e"] .lesson-bar__num::before {
  content: ""; width: 18px; height: 18px; background: var(--mod);
  -webkit-mask: var(--e-icon) center / contain no-repeat; mask: var(--e-icon) center / contain no-repeat;
}
/* Chips line up above the button on every card, whatever the description length */
:root[data-cards="chips"] .module-card--elective .module-card__desc { flex: 0 0 auto; }
:root[data-cards="chips"] .module-card--elective .module-card__tags { margin-top: auto; padding-top: 0.25rem; }
/* AA on tinted card areas (light mode): deepen the "Elective N" label slightly */
:root[data-mode="light"]:is([data-cards="glow"], [data-cards="header"]) .module-card--elective .module-card__meta span:first-child {
  color: color-mix(in srgb, var(--mod) 84%, #000);
}

/* ---------------------------------------------------------------------------
   Course home: "Before you start: get Grok Bot" (2026-09-24)
   Source: docs.x.ai/grok-bot/get-started. Keep platforms/plans in sync when xAI updates them.
   --------------------------------------------------------------------------- */
.get-started {
  margin: 0 0 2.5rem; padding: 1.5rem 1.5rem 1.25rem; border-radius: 16px;
  background: var(--bg-raised); border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--m0);
}
.get-started__head h2 { font-size: 1.35rem; margin: 0 0 0.5rem; }
.get-started__head p { margin: 0 0 1.25rem; color: var(--text-secondary); max-width: 60rem; line-height: 1.6; }
.get-started__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 2rem; }
.get-started__col h3 { font-size: 1rem; margin: 0 0 0.4rem; }
.get-started__col p { margin: 0 0 0.35rem; color: var(--text-secondary); }
.get-started__col ul { margin: 0; padding-left: 1.15rem; color: var(--text-secondary); line-height: 1.65; }
.get-started__col strong { color: var(--text-primary); }
.get-started__note {
  display: flex; gap: 0.7rem; align-items: flex-start; margin: 1.25rem 0 0; padding: 0.8rem 1rem; border-radius: 12px;
  background: color-mix(in srgb, var(--m0) 8%, var(--bg-raised)); color: var(--text-primary); line-height: 1.55;
}
.get-started__icon { flex: none; width: 22px; height: 22px; color: var(--m0); margin-top: 1px; }
.get-started__icon svg { width: 100%; height: 100%; }
.get-started__source { margin: 0.75rem 0 0; font-size: 0.85rem; color: var(--text-muted); }
@media (max-width: 640px) { .get-started__grid { grid-template-columns: 1fr; } .get-started { padding: 1.25rem 1.1rem 1rem; } }