/* =============================================
   CMO Academy: shared stylesheet (v2 academic)
   Sharp edges, ink + warm paper + oxford blue + harvard crimson.
   Serious-education register, syllabus / law-school aesthetic.
   No em dashes anywhere in this file.
   ============================================= */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* Ink + paper */
  --ink: #0A0A0A;
  --ink-soft: #1F1F1F;
  --paper: #FAFAF6;
  --paper-card: #FFFFFF;
  --paper-deep: #F0EDE5;
  --paper-tint: rgba(10, 10, 10, 0.03);

  /* Hard rules */
  --rule: #0A0A0A;
  --rule-soft: #C8C2B0;
  --rule-hair: #DBD5C5;

  /* Academic accents */
  --oxford: #002147;
  --oxford-deep: #001230;
  --crimson: #7A1A1A;
  --crimson-deep: #5A0F0F;
  --crimson-tint: rgba(122, 26, 26, 0.06);
  --crimson-soft: rgba(122, 26, 26, 0.12);

  /* Text */
  --text-dark: #0A0A0A;
  --text-body: #2A2A2A;
  --text-muted: #525252;
  --text-dim: #7B756B;
  --text-light: #F0EDE5;
  --text-light-dim: #BBB5A5;

  /* States */
  --green: #1F6B43;
  --green-bg: rgba(31, 107, 67, 0.08);

  /* Fonts */
  --font-heading: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink);
}

button { font-family: var(--font-body); cursor: pointer; }

::selection { background: var(--crimson); color: var(--paper); }

/* =============================================
   LANDING (name entry)
   Black field, white card, crimson accent.
   ============================================= */
/* Full course front page: buy-in, video, breakdown, end state, help, then roster gate */
.academy-front {
  background: var(--paper);
  color: var(--ink);
}

.front-header {
  background: var(--ink);
  color: var(--text-light);
  padding: 72px 40px 60px;
  border-bottom: 6px solid var(--crimson);
}

.front-header-inner { max-width: 880px; margin: 0 auto; }

.front-eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #F4A261;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--text-light-dim);
  display: inline-block;
  padding-right: 60px;
}

.front-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  color: var(--text-light);
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 22px;
  max-width: 820px;
}

.front-sub {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--text-light-dim);
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 720px;
  font-style: italic;
}

.front-cta {
  display: inline-block;
  padding: 16px 32px;
  background: var(--crimson);
  color: var(--paper);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 2px solid var(--crimson);
  border-radius: 0;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.front-cta:hover { background: var(--paper); color: var(--crimson); }

.front-section { padding: 64px 40px; border-bottom: 1px solid var(--rule-soft); }
.front-section-inner { max-width: 880px; margin: 0 auto; }

.front-section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
  display: inline-block;
  padding-right: 40px;
}

.front-section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 780px;
}

.front-section p {
  font-family: var(--font-body);
  font-size: 1.02rem;
  color: var(--text-body);
  line-height: 1.78;
  margin-bottom: 18px;
}

.front-section a { color: var(--crimson); border-bottom: 1px solid var(--crimson); font-weight: 600; }

.front-buyin { background: var(--paper-card); }
.front-video-block { background: var(--paper); }
.front-breakdown { background: var(--paper-card); }
.front-end-state { background: var(--paper); }
.front-help { background: var(--paper-deep); }
.front-enter { background: var(--ink); padding: 80px 40px 60px; border-bottom: none; color: var(--text-light); }

.front-enter .front-section-title { color: var(--text-light); }
.front-enter .front-section-eyebrow { color: #F4A261; border-bottom-color: var(--text-light-dim); }
.front-enter p { color: var(--text-light-dim); }

.front-video-frame {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: var(--ink);
  border: 1.5px solid var(--ink);
  margin: 24px 0 16px;
  overflow: hidden;
}

.front-video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.front-video-caption {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 10px;
}

.front-arcs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 0;
  margin: 28px 0 12px;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.front-arc {
  background: var(--paper);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.front-arc-tag {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--crimson);
}

.front-arc-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.front-arc p { font-size: 0.95rem; line-height: 1.65; margin: 0; color: var(--text-body); }

.front-checklist {
  list-style: none;
  counter-reset: front-check;
  padding: 0;
  margin: 22px 0;
  border-top: 1px solid var(--ink);
}

.front-checklist li {
  counter-increment: front-check;
  position: relative;
  padding: 14px 0 14px 56px;
  border-bottom: 1px solid var(--rule-hair);
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--text-body);
  line-height: 1.7;
}

.front-checklist li::before {
  content: counter(front-check, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--crimson);
  letter-spacing: 0.04em;
}

.front-help-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 0;
  margin-top: 24px;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.front-help-card {
  background: var(--paper-card);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 28px 30px;
}

.front-help-tag {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
}

.front-help-card ol { list-style: none; counter-reset: front-help; padding: 0; margin: 0; }

.front-help-card ol li {
  counter-increment: front-help;
  position: relative;
  padding: 10px 0 10px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
  border-bottom: 1px solid var(--rule-hair);
}

.front-help-card ol li:last-child { border-bottom: none; }

.front-help-card ol li::before {
  content: counter(front-help);
  position: absolute;
  left: 0;
  top: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--crimson);
  letter-spacing: 0.04em;
}

.front-help-card a { color: var(--crimson); border-bottom: 1px solid var(--crimson); font-weight: 600; }

.academy-landing-inset { max-width: 540px; margin: 0 auto; }

.front-footer {
  background: var(--ink);
  color: var(--text-light-dim);
  padding: 22px 24px;
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.82rem;
  border-top: 6px solid var(--crimson);
}

.front-footer a { color: #F4A261; border-bottom: 1px solid transparent; }
.front-footer a:hover { border-bottom-color: #F4A261; }

@media (max-width: 760px) {
  .front-header { padding: 48px 24px 40px; }
  .front-section { padding: 48px 24px; }
  .front-enter { padding: 56px 24px 40px; }
}

/* Legacy compact landing (kept for fallback only; new front page uses .academy-front above) */
.academy-landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background: var(--ink);
  position: relative;
  color: var(--text-light);
}

.academy-landing-bg { display: none; }
.academy-landing-orb { display: none; }

.academy-card {
  background: var(--paper-card);
  border: 1px solid var(--ink);
  border-top: 6px solid var(--crimson);
  max-width: 520px;
  width: 100%;
  padding: 44px 44px 40px;
  position: relative;
  color: var(--text-dark);
}

.academy-eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 14px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 10px;
}

.academy-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 3.2vw, 2.5rem);
  color: var(--ink);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.academy-sub {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 22px;
}

.academy-desc {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--ink);
}

.academy-form-group { margin-bottom: 16px; }

.academy-form-group label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.academy-form-group input {
  display: block;
  width: 100%;
  padding: 12px 14px;
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  outline: none;
  transition: box-shadow 0.15s ease;
}

.academy-form-group input::placeholder { color: var(--text-dim); }

.academy-form-group input:focus {
  box-shadow: inset 0 0 0 2px var(--crimson);
  border-color: var(--crimson);
}

.academy-submit {
  display: block;
  width: 100%;
  padding: 14px 24px;
  background: var(--crimson);
  color: var(--paper);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1.5px solid var(--crimson);
  border-radius: 0;
  margin-top: 8px;
  transition: background 0.15s ease, color 0.15s ease;
}

.academy-submit:hover {
  background: var(--crimson-deep);
  border-color: var(--crimson-deep);
}

.academy-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.academy-fine-print {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 18px;
  line-height: 1.55;
  font-style: italic;
}

.academy-error {
  font-size: 0.85rem;
  color: var(--crimson);
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--crimson-tint);
  border-left: 3px solid var(--crimson);
  display: none;
}

.academy-error.is-visible { display: block; }

/* =============================================
   COURSE HOME GRID
   ============================================= */
.course-home {
  min-height: 100vh;
  background: var(--paper);
  color: var(--text-dark);
}

.course-home-header {
  background: var(--ink);
  color: var(--text-light);
  padding: 56px 40px 40px;
  border-bottom: 6px solid var(--crimson);
}

.course-home-header-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.course-home-greeting {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--text-light-dim);
  display: inline-block;
  padding-right: 40px;
}

.course-home-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.9rem);
  color: var(--text-light);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.course-home-sub {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-light-dim);
  font-style: italic;
  margin-bottom: 30px;
  max-width: 640px;
}

.course-home-progress {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--text-light-dim);
  border-left: 4px solid var(--crimson);
  padding: 18px 22px;
  max-width: 560px;
}

.course-home-progress-label {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--text-light-dim);
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: 0.04em;
}

.course-home-progress-label strong {
  color: var(--paper);
  font-weight: 700;
  font-size: 0.95rem;
}

.course-home-progress-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.course-home-progress-fill {
  height: 100%;
  background: var(--crimson);
  transition: width 0.5s var(--ease-out);
  width: 0%;
}

.course-home-grid {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 40px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule-soft);
  border-left: 1px solid var(--rule-soft);
}

.module-card {
  background: var(--paper-card);
  border-right: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  border-radius: 0;
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  color: var(--text-dark);
  transition: background 0.15s ease;
  position: relative;
}

.module-card:hover {
  background: var(--paper-deep);
}

.module-card.is-locked {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
  background: repeating-linear-gradient(
    45deg,
    var(--paper-card),
    var(--paper-card) 8px,
    var(--paper-deep) 8px,
    var(--paper-deep) 16px
  );
}

.module-card.is-complete {
  border-left: 4px solid var(--crimson);
  padding-left: 22px;
}

.module-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule-hair);
}

.module-card-num {
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--ink);
  background: var(--paper-card);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.04em;
}

.module-card.is-complete .module-card-num {
  background: var(--crimson);
  color: var(--paper);
  border-color: var(--crimson);
}

.module-card-status {
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.module-card.is-complete .module-card-status { color: var(--crimson); }
.module-card.is-locked .module-card-status { color: var(--text-dim); }

.module-card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.module-card-time {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 8px;
  font-style: italic;
}

.module-card-time svg { opacity: 0.6; }

/* Course home Reference Shelves (Library + LLM Guide) */
.course-home-reference {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 40px 80px;
}

.course-home-reference-heading {
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 16px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
}

.course-home-reference-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.course-home-reference-card {
  background: var(--paper-card);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 28px 30px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: var(--text-dark);
  transition: background 0.15s ease;
}

.course-home-reference-card:hover { background: var(--paper-deep); }

.course-home-reference-eyebrow {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--crimson);
}

.course-home-reference-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.course-home-reference-meta {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.6;
}

@media (max-width: 960px) {
  .course-home-reference { padding: 0 28px 60px; }
}

/* =============================================
   MODULE PAGE (per-module layout)
   ============================================= */
.module-page {
  min-height: 100vh;
  display: flex;
  background: var(--paper);
}

.module-sidebar {
  width: 320px;
  min-width: 320px;
  background: var(--ink);
  border-right: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  color: var(--text-light);
}

.module-sidebar-header {
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--text-light-dim);
}

.module-sidebar-home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: 12px;
  transition: color 0.2s ease;
}

.module-sidebar-home:hover { color: #F4A261; }

/* Auxiliary nav links injected by course.js: Library, LLM Guide */
.module-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
  margin-bottom: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.module-sidebar-nav a {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.15s ease;
}

.module-sidebar-nav a:hover { color: #F4A261; }

.module-sidebar-nav a .nav-prefix {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: #F4A261;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.module-sidebar-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--text-light);
  line-height: 1.25;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.module-sidebar-greeting {
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--crimson);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.module-progress-wrap {
  padding: 16px 24px;
  border-bottom: 1px solid var(--text-light-dim);
}

.module-progress-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--text-light-dim);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.module-progress-track {
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.module-progress-fill {
  height: 100%;
  background: var(--crimson);
  transition: width 0.4s var(--ease-out);
  width: 0%;
}

.module-list {
  flex: 1;
  padding: 8px 0;
  overflow-y: auto;
}

.module-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 24px;
  cursor: pointer;
  transition: background 0.15s ease;
  border-left: 3px solid transparent;
  color: var(--text-light-dim);
  font-family: var(--font-body);
  font-size: 0.84rem;
  text-decoration: none;
}

.module-list-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-light);
}

.module-list-item.is-active {
  background: var(--crimson-tint);
  border-left-color: var(--crimson);
  color: var(--text-light);
  font-weight: 500;
}

.module-list-item.is-complete .module-list-num {
  background: var(--crimson);
  border-color: var(--crimson);
  color: var(--paper);
}

.module-list-num {
  width: 24px;
  height: 24px;
  min-width: 24px;
  border: 1.5px solid var(--text-light-dim);
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 700;
  color: var(--text-light-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
}

.module-list-item.is-active .module-list-num {
  border-color: var(--crimson);
  color: var(--crimson);
}

.module-content {
  flex: 1;
  background: var(--paper);
  color: var(--text-dark);
  overflow-y: auto;
}

.module-content-inner {
  max-width: 780px;
  padding: 64px 64px 96px;
}

.module-eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 10px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 8px;
  display: inline-block;
  padding-right: 30px;
}

.module-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 2.9rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 16px;
}

.module-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 44px;
  padding-bottom: 36px;
  border-bottom: 2px solid var(--ink);
  flex-wrap: wrap;
  font-style: italic;
}

.module-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.module-meta-item svg { opacity: 0.6; }

/* Section anchors */
.module-section {
  margin: 48px 0 32px;
  padding-top: 8px;
}

.module-section-heading {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
}

.module-section-num {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--crimson);
  letter-spacing: 0.1em;
}

.module-section-title {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  color: var(--ink);
  letter-spacing: -0.015em;
}

/* Reading body */
.module-read h3 {
  font-family: var(--font-heading);
  font-size: 1.32rem;
  font-weight: 400;
  color: var(--ink);
  margin: 36px 0 12px;
  letter-spacing: -0.01em;
}

.module-read h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 28px 0 10px;
}

.module-read p {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.78;
  margin-bottom: 18px;
}

.module-read ul {
  margin: 10px 0 22px 0;
  padding-left: 0;
}

.module-read ul li {
  position: relative;
  padding-left: 22px;
  font-size: 0.97rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 10px;
}

.module-read ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1.5px;
  background: var(--ink);
}

.module-read strong { color: var(--ink); font-weight: 700; }

.module-read-arc {
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin: 48px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
}

/* Course completion ceremony on m14 */
.module-finale {
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 6px solid var(--crimson);
  padding: 32px 36px;
  margin: 48px 0 16px;
}

.module-finale .module-section-num {
  font-family: var(--font-mono);
  color: var(--crimson);
}

.module-finale .module-section-title {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  color: var(--ink);
}

.module-finale p {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 16px;
}

.module-finale-actions {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  border-top: 1px solid var(--ink);
}

.module-finale-actions li {
  padding: 12px 0 12px 24px;
  border-bottom: 1px solid var(--rule-hair);
  position: relative;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
}

.module-finale-actions li::before {
  content: '\2192';
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--font-mono);
  color: var(--crimson);
  font-weight: 700;
}

.module-finale-actions li:last-child { border-bottom: none; }

.module-finale-actions a {
  color: var(--crimson);
  border-bottom: 1px solid var(--crimson);
  font-weight: 600;
}

/* Compounding thread callout on course home */
.course-home-thread {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 40px 0;
}

.course-home-thread-card {
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-left: 6px solid var(--crimson);
  padding: 24px 28px;
}

.course-home-thread-eyebrow {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule-hair);
}

.course-home-thread-text {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--ink);
  line-height: 1.5;
  letter-spacing: -0.005em;
  margin: 0;
  font-style: italic;
}

.course-home-thread-text strong { font-style: normal; font-weight: 700; color: var(--crimson); }

@media (max-width: 960px) {
  .course-home-thread { padding: 24px 28px 0; }
}

/* On-completion outcomes block on the course home */
.course-home-outcomes {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 40px 0;
}

.course-home-outcomes-eyebrow {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--oxford);
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule-hair);
}

.course-home-outcomes-lead {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.55;
  margin: 0 0 18px;
}

.course-home-outcomes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.course-home-outcome {
  display: block;
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 4px solid var(--oxford);
  padding: 22px 24px 18px;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s ease, transform 0.15s ease;
}

.course-home-outcome:hover {
  background: var(--paper-deep);
  transform: translateY(-1px);
}

.course-home-outcome-label {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--oxford);
  margin: 0 0 8px;
  line-height: 1.2;
}

.course-home-outcome-desc {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.55;
  margin: 0 0 14px;
}

.course-home-outcome-cue {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--oxford);
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--rule-hair);
}

.course-home-outcome-cue::after {
  content: ' \2192';
}

@media (max-width: 720px) {
  .course-home-outcomes-grid { grid-template-columns: 1fr; }
  .course-home-outcomes { padding: 20px 28px 0; }
}

/* Callout */
.module-callout {
  background: var(--paper-card);
  border-left: 4px solid var(--crimson);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 22px 28px;
  margin: 32px 0;
}

.module-callout p {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--ink);
  line-height: 1.5;
  margin: 0;
  font-style: italic;
  letter-spacing: -0.005em;
}

/* Watch (video) */
.module-watch-frame {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: var(--ink);
  border: 1.5px solid var(--ink);
  overflow: hidden;
  margin: 16px 0 14px;
}

.module-watch-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.module-watch-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  color: var(--text-light-dim);
  background: var(--ink);
  font-family: var(--font-body);
  font-size: 0.88rem;
  padding: 24px;
  text-align: center;
}

.module-watch-placeholder strong {
  color: var(--crimson);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--crimson);
}

.module-watch-caption {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-body);
  margin-top: 10px;
  line-height: 1.6;
}

.module-watch-caption strong {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 400;
  color: var(--ink);
  font-size: 1rem;
}

.module-watch-secondary-label,
.module-watch-more-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 28px 0 14px;
  padding: 10px 0 8px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule-hair);
}

.module-watch-secondary-label::before {
  content: "02b · ";
  font-family: var(--font-mono);
  color: var(--crimson);
}

.module-watch-more-label {
  margin-top: 28px;
  margin-bottom: 0;
}

.module-watch-more {
  list-style: none;
  padding: 0;
  margin: 0;
}

.module-watch-more li {
  padding: 10px 0;
  border-bottom: 1px solid var(--rule-hair);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.module-watch-more li:last-child {
  border-bottom: none;
}

.module-watch-more a {
  color: var(--text-body);
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.module-watch-more a:hover {
  color: var(--crimson);
  border-bottom-color: var(--crimson);
}

/* Disabled mark complete for stubs */
.module-mark-complete:disabled,
.module-mark-complete[disabled] {
  background: var(--paper-deep);
  color: var(--text-muted);
  border-color: var(--rule-soft);
  cursor: not-allowed;
  text-transform: uppercase;
}

.module-mark-complete:disabled:hover {
  background: var(--paper-deep);
  border-color: var(--rule-soft);
}

/* Enroll cards */
.module-enroll-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0;
  margin-top: 16px;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.module-enroll-card {
  background: var(--paper-card);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 0.15s ease;
  text-decoration: none;
  color: var(--text-dark);
}

.module-enroll-card:hover {
  background: var(--paper-deep);
}

.module-enroll-provider {
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--crimson);
}

.module-enroll-title {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  color: var(--ink);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.module-enroll-meta {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: auto;
  font-style: italic;
}

.module-enroll-placeholder {
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-left: 4px solid var(--crimson);
  padding: 20px 24px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
}

.module-section-intro {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0 0 14px;
  line-height: 1.6;
}

.module-enroll-note {
  font-family: var(--font-body);
  font-size: 0.84rem;
  color: var(--text-muted);
  background: var(--paper-card);
  border-left: 3px solid var(--crimson);
  border-top: 1px solid var(--rule-hair);
  border-bottom: 1px solid var(--rule-hair);
  padding: 12px 18px;
  margin-top: 14px;
  line-height: 1.6;
}

.module-enroll-note strong {
  color: var(--ink);
  font-weight: 700;
}

/* Learning Objectives section (TLO + ELOs near the top of each module) */
.module-objectives {
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 6px solid var(--crimson);
  padding: 24px 28px;
  margin: 0 0 36px;
}

.module-objectives-eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
}

.module-objectives-tlo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--ink);
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 8px 0 22px;
  padding-left: 16px;
  border-left: 4px solid var(--crimson);
}

.module-objectives-tlo strong {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--crimson);
  display: block;
  margin-bottom: 6px;
}

.module-objectives-elos-label {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rule-hair);
}

.module-objectives-elos {
  list-style: none;
  counter-reset: elo;
  padding: 0;
  margin: 0;
}

.module-objectives-elos li {
  counter-increment: elo;
  position: relative;
  padding: 12px 0 12px 44px;
  border-bottom: 1px solid var(--rule-hair);
  font-family: var(--font-body);
  font-size: 0.97rem;
  color: var(--text-body);
  line-height: 1.7;
}

.module-objectives-elos li:last-child { border-bottom: none; }

.module-objectives-elos li::before {
  content: counter(elo, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--crimson);
  letter-spacing: 0.04em;
}

/* Understanding prompts (Try with an LLM) section per module */
.module-prompts-section {
  margin: 40px 0 24px;
}

.module-prompts-intro {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
  margin: 0 0 18px;
  font-style: italic;
}

/* Operator scaffolding sections (Responsibilities, Platforms, Deliverables, LLM Prompts) */
.module-list-numbered {
  list-style: none;
  counter-reset: opnum;
  padding: 0;
  margin: 12px 0 0;
  border-top: 1px solid var(--ink);
}

.module-list-numbered li {
  counter-increment: opnum;
  padding: 14px 0 14px 48px;
  border-bottom: 1px solid var(--rule-hair);
  position: relative;
  font-size: 0.97rem;
  color: var(--text-body);
  line-height: 1.7;
}

.module-list-numbered li::before {
  content: counter(opnum, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--crimson);
  letter-spacing: 0.04em;
}

.module-list-numbered li strong {
  color: var(--ink);
  font-weight: 700;
}

.module-tech-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-family: var(--font-body);
  font-size: 0.92rem;
}

.module-tech-table thead th {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  padding: 12px 14px;
}

.module-tech-table tbody td {
  border: 1px solid var(--ink);
  padding: 12px 14px;
  vertical-align: top;
  color: var(--text-body);
}

.module-tech-table tbody tr:nth-child(even) td {
  background: var(--paper-deep);
}

.module-tech-table .tool-name {
  font-weight: 700;
  color: var(--ink);
  font-size: 0.95rem;
}

.module-tech-table .tool-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--crimson);
  word-break: break-all;
}

.module-tech-table .tool-link:hover { text-decoration: underline; }

.module-prompt {
  border: 1.5px solid var(--ink);
  margin-bottom: 16px;
  background: var(--paper-card);
}

.module-prompt-header {
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.module-prompt-header .prompt-num {
  color: var(--crimson);
  font-family: var(--font-mono);
}

.module-prompt-body {
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-body);
  line-height: 1.7;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.module-prompt-copy {
  background: var(--paper-deep);
  border-top: 1px solid var(--ink);
  padding: 10px 16px;
  text-align: right;
}

.module-prompt-copy button {
  background: var(--crimson);
  color: var(--paper);
  border: none;
  padding: 6px 14px;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s ease;
}

.module-prompt-copy button:hover { background: var(--crimson-deep); }
.module-prompt-copy button.is-copied { background: var(--green); }

/* Download */
.module-download-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 16px;
  border-top: 1px solid var(--ink);
}

.module-download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  background: var(--paper-card);
  border-bottom: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
  border-right: 1px solid var(--ink);
  text-decoration: none;
  color: var(--text-dark);
  transition: background 0.15s ease;
}

.module-download-card:hover { background: var(--paper-deep); }

.module-download-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.module-download-icon {
  width: 38px;
  height: 38px;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
}

.module-download-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
}

.module-download-meta {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 2px;
}

.module-download-action {
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--crimson);
}

.module-download-card.is-pending {
  opacity: 0.7;
  pointer-events: none;
}

.module-download-card.is-pending .module-download-action {
  color: var(--text-muted);
}

/* Assignment */
.module-assignment {
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 4px solid var(--crimson);
  padding: 26px 28px;
  margin-top: 16px;
}

.module-assignment-brief {
  font-family: var(--font-body);
  font-size: 0.97rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 10px;
}

.module-assignment-output {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule-hair);
}

.module-assignment-output strong {
  color: var(--ink);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
}

.module-assignment-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.module-assignment-form label {
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.module-assignment-form input,
.module-assignment-form textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 16px; /* 16px floor prevents iOS Safari auto-zoom on focus */
  color: var(--ink);
  outline: none;
  transition: box-shadow 0.15s ease;
}

.module-assignment-form textarea {
  min-height: 130px;
  resize: vertical;
}

.module-assignment-form input:focus,
.module-assignment-form textarea:focus {
  box-shadow: inset 0 0 0 2px var(--crimson);
  border-color: var(--crimson);
}

.module-assignment-submit {
  align-self: flex-start;
  padding: 12px 24px;
  background: var(--crimson);
  color: var(--paper);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1.5px solid var(--crimson);
  border-radius: 0;
  transition: background 0.15s ease;
}

.module-assignment-submit:hover {
  background: var(--crimson-deep);
  border-color: var(--crimson-deep);
}

.module-assignment-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.module-assignment-success {
  display: none;
  padding: 14px 18px;
  background: var(--green-bg);
  border-left: 3px solid var(--green);
  color: var(--green);
  font-family: var(--font-body);
  font-size: 0.88rem;
  margin-top: 14px;
}

.module-assignment-success.is-visible { display: block; }

/* Footer nav + mark complete */
.module-content-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 56px;
  padding-top: 30px;
  border-top: 2px solid var(--ink);
  gap: 16px;
  flex-wrap: wrap;
}

.module-nav-prev,
.module-nav-next {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
  letter-spacing: 0.02em;
}

.module-nav-prev:hover,
.module-nav-next:hover {
  background: var(--ink);
  color: var(--paper);
}

.module-nav-disabled {
  opacity: 0.35;
  pointer-events: none;
}

.module-mark-complete {
  padding: 13px 28px;
  background: var(--crimson);
  color: var(--paper);
  border: 1.5px solid var(--crimson);
  border-radius: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.84rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.15s ease;
}

.module-mark-complete:hover {
  background: var(--crimson-deep);
  border-color: var(--crimson-deep);
}

.module-mark-complete.is-done {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  cursor: pointer;
}

.module-mark-complete.is-done:hover {
  background: var(--crimson);
  border-color: var(--crimson);
  color: var(--paper);
}

/* Resources pill (now squared) */
.module-resources {
  margin: 36px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--ink);
}

.module-resources-heading {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink);
  margin-bottom: 16px;
}

.module-resources-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.module-resource-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink);
  background: var(--paper-card);
  transition: background 0.15s ease, color 0.15s ease;
  text-decoration: none;
}

.module-resource-pill:hover {
  background: var(--crimson);
  color: var(--paper);
}

/* Discussion section (injected by course.js into every module page) */
.module-discussion {
  margin: 56px 0 32px;
  padding-top: 16px;
}

.discussion-intro {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0 0 18px;
  line-height: 1.6;
}

.discussion-form {
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 4px solid var(--crimson);
  padding: 22px 24px;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.discussion-form label {
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.discussion-form textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 16px; /* 16px floor prevents iOS Safari auto-zoom */
  color: var(--ink);
  outline: none;
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
  transition: box-shadow 0.15s ease;
}

.discussion-form textarea::placeholder {
  color: var(--text-dim);
}

.discussion-form textarea:focus {
  box-shadow: inset 0 0 0 2px var(--crimson);
  border-color: var(--crimson);
}

.discussion-submit {
  align-self: flex-start;
  padding: 12px 26px;
  background: var(--crimson);
  color: var(--paper);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1.5px solid var(--crimson);
  border-radius: 0;
  transition: background 0.15s ease;
}

.discussion-submit:hover {
  background: var(--crimson-deep);
  border-color: var(--crimson-deep);
}

.discussion-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.discussion-notice {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--paper-card);
  border-left: 3px solid var(--crimson);
  border-top: 1px solid var(--rule-hair);
  border-bottom: 1px solid var(--rule-hair);
  padding: 12px 18px;
  margin: -8px 0 0;
  line-height: 1.6;
  font-style: italic;
}

.discussion-feed-heading {
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 16px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
}

.discussion-feed {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--rule-hair);
}

.discussion-empty {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 16px 0;
  text-align: center;
}

.discussion-post {
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: none;
  padding: 18px 22px;
}

.discussion-post:first-child {
  border-top: 1.5px solid var(--ink);
}

.discussion-post.is-own {
  border-left: 4px solid var(--crimson);
  padding-left: 19px;
}

.discussion-post-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule-hair);
  flex-wrap: wrap;
}

.discussion-post-author {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--ink);
  letter-spacing: -0.005em;
}

.discussion-post-author-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-left: 8px;
}

.discussion-post-time {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.discussion-post-body {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* Certificate page (print to PDF via Cmd+P) */
.certificate-page {
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
}

.certificate-toolbar {
  background: var(--ink);
  color: var(--text-light);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 6px solid var(--crimson);
  flex-wrap: wrap;
}

.certificate-toolbar p {
  font-family: var(--font-body);
  font-size: 0.84rem;
  color: var(--text-light-dim);
  font-style: italic;
  margin: 0;
}

.certificate-toolbar-controls {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1 1 320px;
  min-width: 240px;
}

.certificate-name-edit-label {
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-light-dim);
}

.certificate-name-edit-input {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.08rem;
  background: var(--paper);
  color: var(--ink);
  border: 1.5px solid var(--paper);
  padding: 8px 14px;
  border-radius: 0;
  outline: none;
  width: 100%;
  max-width: 460px;
}

.certificate-name-edit-input:focus {
  border-color: var(--crimson);
  box-shadow: inset 0 0 0 2px var(--crimson);
}

.certificate-name-edit-hint {
  font-family: var(--font-body);
  font-size: 0.74rem;
  color: var(--text-light-dim);
  font-style: italic;
}

.certificate-print-btn {
  background: var(--crimson);
  color: var(--paper);
  border: 1.5px solid var(--crimson);
  padding: 10px 22px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s ease;
}

.certificate-print-btn:hover { background: var(--crimson-deep); border-color: var(--crimson-deep); }

.certificate {
  max-width: 880px;
  margin: 36px auto;
  padding: 80px 80px 60px;
  background: var(--paper-card);
  border: 1px solid var(--ink);
}

/* Landscape cover variant (page 1 of the certificate) */
.certificate.certificate-cover {
  max-width: 1180px;
  padding: 56px 80px 44px;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: 0;
  min-height: calc(min(100vh, 820px));
}

.certificate-cover-header {
  text-align: center;
}

.certificate-cover .certificate-mark {
  margin-bottom: 4px;
}

.certificate-cover .certificate-eyebrow {
  margin-bottom: 0;
  padding-bottom: 14px;
}

.certificate-cover .certificate-title {
  font-size: clamp(3rem, 5vw, 4.2rem);
  margin: 22px 0 14px;
}

.certificate-cover .certificate-name {
  margin: 8px auto 18px;
  padding: 16px 0;
  max-width: 760px;
  font-size: clamp(2.4rem, 4.4vw, 3.4rem);
}

.certificate-statement-narrow {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.certificate-cover-footer {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 2px solid var(--ink);
  align-items: end;
}

.certificate-cover-sign {
  text-align: left;
}

.certificate-signature-img {
  display: block;
  height: 60px;
  width: auto;
  margin: 0 0 6px;
  filter: contrast(1.05);
}

.certificate-cover-sign-name {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--ink);
  margin: 0;
  padding-top: 4px;
  border-top: 1px solid var(--ink);
  letter-spacing: 0.04em;
}

.certificate-cover-sign-role {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 4px 0 0;
}

.certificate-cover-meta {
  text-align: right;
}

.certificate-cover-meta p {
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: var(--text-body);
  line-height: 1.55;
  margin: 0;
}

.certificate-cover-meta strong {
  display: block;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 4px;
}

.certificate-cover-meta-date {
  font-family: var(--font-mono);
  font-size: 0.92rem !important;
  color: var(--crimson) !important;
}

.certificate-cover-overleaf {
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 32px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--rule-hair);
}

/* Portrait skills page (page 2 of the certificate) */
.certificate.certificate-skills-page {
  max-width: 880px;
  padding: 64px 80px 56px;
}

.certificate-skills-page .certificate-mark { margin-bottom: 14px; }

.certificate-skills-page .certificate-eyebrow {
  margin-bottom: 18px;
  padding-bottom: 14px;
}

.certificate-skills-name {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--crimson);
  text-align: center;
  margin: 0 0 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule-soft);
}

.certificate-skills-footer {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-align: center;
}

.certificate-mark {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--crimson);
  text-align: center;
  margin-bottom: 8px;
}

.certificate-eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink);
  text-align: center;
  margin-bottom: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ink);
}

.certificate-title {
  font-family: var(--font-heading);
  font-size: clamp(2.6rem, 4.4vw, 3.4rem);
  letter-spacing: -0.02em;
  text-align: center;
  color: var(--ink);
  margin: 24px 0 18px;
}

.certificate-statement {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-body);
  text-align: center;
  line-height: 1.7;
  margin: 0 0 18px;
}

.certificate-name {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2.2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
  text-align: center;
  color: var(--crimson);
  margin: 14px 0 28px;
  padding: 18px 0;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.certificate-section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin: 32px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
}

.certificate-skills {
  list-style: none;
  counter-reset: cert;
  padding: 0;
  margin: 14px 0 24px;
}

.certificate-skills li {
  counter-increment: cert;
  position: relative;
  padding: 11px 0 11px 36px;
  border-bottom: 1px solid var(--rule-hair);
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--text-body);
  line-height: 1.65;
}

.certificate-skills li::before {
  content: counter(cert, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 11px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--crimson);
  letter-spacing: 0.04em;
}

.certificate-footer {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 2px solid var(--ink);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.certificate-footer p {
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: var(--text-body);
  line-height: 1.55;
  margin: 0;
}

.certificate-footer strong {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  display: block;
  margin-bottom: 4px;
}

.certificate-signature {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--crimson);
  margin: 4px 0 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ink);
}

/* Portfolio page (same toolbar, multi-section body) */
.portfolio-cover {
  max-width: 880px;
  margin: 36px auto;
  background: var(--paper-card);
  border: 1px solid var(--ink);
  padding: 60px 70px;
  page-break-after: always;
}

.portfolio-module-section {
  max-width: 880px;
  margin: 24px auto;
  background: var(--paper-card);
  border: 1px solid var(--ink);
  padding: 40px 60px;
  page-break-before: always;
}

.portfolio-module-section:first-of-type { page-break-before: avoid; }

.portfolio-module-eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
}

.portfolio-module-title {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.portfolio-module-tlo {
  font-family: var(--font-body);
  font-size: 0.97rem;
  color: var(--text-body);
  font-style: italic;
  line-height: 1.65;
  margin: 0 0 28px;
  padding-left: 16px;
  border-left: 4px solid var(--crimson);
}

.portfolio-subhead {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 28px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ink);
}

.portfolio-body p,
.portfolio-body li {
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--text-body);
  line-height: 1.7;
  margin: 0 0 10px;
}

.portfolio-empty {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 8px 0;
}

.portfolio-post-card {
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-left: 4px solid var(--crimson);
  padding: 14px 18px;
  margin: 12px 0;
}

.portfolio-post-time {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.portfolio-post-body {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
  white-space: pre-wrap;
}

/* Print styles for Cmd+P save-as-PDF on certificate + portfolio */
@page page-cover { size: landscape; margin: 0.4in; }
@page page-skills { size: portrait; margin: 0.4in; }
@page page-portfolio { size: portrait; margin: 0.55in; }

@media print {
  body { background: white; }
  .certificate-toolbar,
  .certificate-toolbar-controls,
  .certificate-name-edit-label,
  .certificate-name-edit-input,
  .certificate-name-edit-hint,
  .module-sidebar,
  .module-content-footer,
  .front-footer,
  .module-discussion,
  .module-discussion *,
  .academy-front .front-section,
  .academy-landing { display: none !important; }

  .certificate,
  .portfolio-cover,
  .portfolio-module-section {
    border: none;
    margin: 0 auto;
    box-shadow: none;
    max-width: 100%;
  }

  .certificate.certificate-cover {
    page: page-cover;
    padding: 0;
    min-height: auto;
  }

  /* Skills page must fit 14 TLOs on a single portrait sheet.
     Tightens font, line-height, padding, and the header block. */
  .certificate.certificate-skills-page {
    page: page-skills;
    padding: 0;
    page-break-before: always;
  }

  .certificate-skills-page .certificate-mark { margin-bottom: 6px; font-size: 0.68rem; }
  .certificate-skills-page .certificate-eyebrow {
    margin-bottom: 8px;
    padding-bottom: 8px;
    font-size: 0.72rem;
    letter-spacing: 0.26em;
  }
  .certificate-skills-page .certificate-skills-name {
    font-size: 1.25rem;
    margin: 0 0 14px;
    padding-bottom: 8px;
  }
  .certificate-skills-page .certificate-skills {
    margin: 8px 0 12px;
  }
  .certificate-skills-page .certificate-skills li {
    padding: 6px 0 6px 32px;
    font-size: 0.78rem;
    line-height: 1.4;
  }
  .certificate-skills-page .certificate-skills li::before {
    top: 7px;
    font-size: 0.72rem;
  }
  .certificate-skills-page .certificate-skills-footer {
    margin-top: 12px;
    padding-top: 10px;
    font-size: 0.7rem;
  }

  .portfolio-cover { page: page-portfolio; padding: 0; }
  .portfolio-module-section { page: page-portfolio; padding: 0; page-break-before: always; }
  .portfolio-module-section:first-of-type { page-break-before: avoid; }

  /* Make sure the signature image actually prints */
  .certificate-signature-img { print-color-adjust: exact; -webkit-print-color-adjust: exact; }

  a { color: var(--ink); text-decoration: none; }
}

/* Library: book summary pages and library index */
.library-content-inner { max-width: 780px; }

/* Library watch block: one verified YouTube per cliffnotes book */
.library-watch {
  margin: 40px 0 24px;
  padding: 24px 28px;
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 4px solid var(--crimson);
}

.library-watch-eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 6px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
}

.library-watch h2 {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  color: var(--ink);
  margin: 0 0 16px;
  border: none;
  padding: 0;
  letter-spacing: -0.015em;
}

.library-watch-frame {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: var(--ink);
  border: 1.5px solid var(--ink);
  overflow: hidden;
  margin: 8px 0 12px;
}

.library-watch-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.library-watch-caption {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.65;
  margin-top: 6px;
}

.library-watch-caption strong {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 400;
  color: var(--ink);
  font-size: 1rem;
}

/* Essay prompt block (appears at the bottom of each cliffnotes page) */
.library-essay {
  margin: 48px 0 24px;
  padding: 30px 32px;
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 6px solid var(--crimson);
}

.library-essay-eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
}

.library-essay h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--ink);
  margin: 0 0 18px;
  border: none;
  padding: 0;
  letter-spacing: -0.015em;
}

.library-essay-prompt-body p {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.78;
  margin-bottom: 14px;
}

.library-essay-prompt-body ol,
.library-essay-prompt-body ul {
  list-style: none;
  counter-reset: essay;
  padding-left: 0;
  margin: 12px 0 18px;
}

.library-essay-prompt-body ol li,
.library-essay-prompt-body ul li {
  position: relative;
  padding-left: 28px;
  font-size: 0.96rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 8px;
}

.library-essay-prompt-body ol li { counter-increment: essay; }

.library-essay-prompt-body ol li::before {
  content: counter(essay, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--crimson);
  letter-spacing: 0.04em;
}

.library-essay-prompt-body ul li::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 12px;
  width: 8px;
  height: 1.5px;
  background: var(--ink);
}

.library-essay-prompt-body strong { color: var(--ink); font-weight: 700; }

.library-essay-form {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.library-essay-form label {
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.library-essay-form textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 16px; /* 16px floor prevents iOS Safari auto-zoom */
  color: var(--ink);
  outline: none;
  min-height: 260px;
  resize: vertical;
  line-height: 1.7;
  transition: box-shadow 0.15s ease;
}

.library-essay-form textarea::placeholder { color: var(--text-dim); }

.library-essay-form textarea:focus {
  box-shadow: inset 0 0 0 2px var(--crimson);
  border-color: var(--crimson);
}

.library-essay-submit {
  align-self: flex-start;
  padding: 13px 28px;
  background: var(--crimson);
  color: var(--paper);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.84rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1.5px solid var(--crimson);
  border-radius: 0;
  transition: background 0.15s ease;
}

.library-essay-submit:hover {
  background: var(--crimson-deep);
  border-color: var(--crimson-deep);
}

.library-essay-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.library-essay-success {
  display: none;
  padding: 14px 18px;
  background: var(--green-bg);
  border-left: 3px solid var(--green);
  color: var(--green);
  font-family: var(--font-body);
  font-size: 0.88rem;
  margin-top: 8px;
}

.library-essay-success.is-visible { display: block; }

.library-essay-success a {
  color: var(--green);
  border-bottom: 1px solid var(--green);
  font-weight: 600;
}

.library-eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 12px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 8px;
  display: inline-block;
  padding-right: 30px;
}

.library-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 2.9rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 14px;
}

.library-meta {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 36px;
  padding-bottom: 30px;
  border-bottom: 2px solid var(--ink);
  line-height: 1.6;
}

.library-body h2 {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  color: var(--ink);
  letter-spacing: -0.015em;
  margin: 36px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
}

.library-body h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--ink);
  margin: 28px 0 10px;
  letter-spacing: -0.01em;
}

.library-body p {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.78;
  margin-bottom: 16px;
}

.library-body ol,
.library-body ul {
  list-style: none;
  counter-reset: lib;
  padding-left: 0;
  margin: 12px 0 22px;
}

.library-body ol li,
.library-body ul li {
  position: relative;
  padding-left: 26px;
  font-size: 0.97rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 10px;
}

.library-body ol li { counter-increment: lib; }

.library-body ol li::before {
  content: counter(lib, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--crimson);
  letter-spacing: 0.04em;
}

.library-body ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 12px;
  width: 8px;
  height: 1.5px;
  background: var(--ink);
}

.library-body strong { color: var(--ink); font-weight: 700; }

.library-body a {
  color: var(--crimson);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
  word-break: break-word;
}

.library-body a:hover { border-bottom-color: var(--crimson); }

.library-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 56px;
  padding-top: 30px;
  border-top: 2px solid var(--ink);
  gap: 16px;
  flex-wrap: wrap;
}

.library-coming-note {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-muted);
  font-style: italic;
  background: var(--paper-card);
  border-left: 3px solid var(--crimson);
  border-top: 1px solid var(--rule-hair);
  border-bottom: 1px solid var(--rule-hair);
  padding: 14px 18px;
  margin: 32px 0 8px;
  line-height: 1.6;
}

/* Library index */
.library-index-groups { margin-top: 16px; }

.library-group-heading {
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin: 32px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
  margin-bottom: 16px;
}

.library-card {
  background: var(--paper-card);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 22px 24px;
  text-decoration: none;
  color: var(--text-dark);
  transition: background 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.library-card:hover { background: var(--paper-deep); }

.library-card-eyebrow {
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--crimson);
}

.library-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.library-card-meta {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: auto;
}

/* Stub state */
.module-stub {
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 4px solid var(--crimson);
  padding: 36px 32px;
  color: var(--text-muted);
}

.module-stub h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: -0.015em;
}

.module-stub p {
  font-size: 0.97rem;
  margin-bottom: 12px;
  color: var(--text-body);
  line-height: 1.7;
}

/* Course home footer (replaces inline styles) */
.course-home-footer {
  background: var(--ink);
  color: var(--text-light-dim);
  padding: 22px 24px;
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.8rem;
  border-top: 6px solid var(--crimson);
}

.course-home-footer a {
  color: var(--crimson);
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}

.course-home-footer a:hover {
  border-bottom-color: var(--crimson);
}

/* Inline formula treatment (Module 2 positioning statement, etc.) */
/* Specificity bump: .module-read p sets color to body-grey; we need to override that. */
.module-formula,
.module-read p.module-formula,
p.module-formula {
  display: block;
  background: var(--ink);
  color: var(--paper);
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin: 18px 0;
  border-left: 4px solid var(--crimson);
  letter-spacing: 0.01em;
  line-height: 1.6;
}

/* =============================================
   MOBILE
   ============================================= */
@media (max-width: 960px) {
  .module-content-inner {
    padding: 44px 36px 64px;
  }
  .course-home-header { padding: 40px 28px 32px; }
  .course-home-grid { padding: 36px 28px 60px; }
}

@media (max-width: 768px) {
  .module-page { flex-direction: column; }
  .module-sidebar {
    width: 100%;
    min-width: unset;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--ink);
  }

  .module-list { display: none; }
  .module-list.is-open { display: block; }

  .module-sidebar-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 22px;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--crimson);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-top: 1px solid var(--text-light-dim);
  }

  .module-content-inner { padding: 36px 22px 52px; }
}

@media (min-width: 769px) {
  .module-sidebar-mobile-toggle { display: none; }
}

/* =============================================
   Module quiz (self-graded, 7 questions per module)
   Injected by course.js between Assignment and Discussion.
   Visual language matches the rest of the academic
   palette: ink/paper/crimson with a quiz-specific
   forest token for correct, crimson for incorrect.
   ============================================= */

.module-quiz {
  --quiz-correct: #1F4D2C;
  --quiz-correct-tint: #E7EFE8;
  --quiz-wrong-tint: #F7E8E6;
  margin: 56px 0 32px;
  padding-top: 16px;
}

.module-quiz-intro {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0 0 22px;
  line-height: 1.6;
}

.module-quiz-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.module-quiz-question {
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 4px solid var(--oxford);
  padding: 22px 24px 18px;
}

.module-quiz-question.is-correct {
  border-top-color: var(--quiz-correct);
  background: var(--quiz-correct-tint);
}

.module-quiz-question.is-wrong {
  border-top-color: var(--crimson);
  background: var(--quiz-wrong-tint);
}

.module-quiz-meta {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 10px;
}

.module-quiz-stem {
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 16px;
  line-height: 1.5;
}

.module-quiz-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0 0 6px;
  padding: 0;
  list-style: none;
}

.module-quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 14px;
  background: var(--paper);
  border: 1.5px solid var(--rule-hair);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--ink);
  line-height: 1.5;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.module-quiz-option:hover {
  border-color: var(--ink);
}

.module-quiz-option input[type="radio"] {
  margin-top: 4px;
  accent-color: var(--oxford);
}

.module-quiz-option.is-selected {
  border-color: var(--oxford);
  background: var(--paper-card);
}

.module-quiz-option.is-correct-answer {
  border-color: var(--quiz-correct);
  background: #FFFFFF;
}

.module-quiz-option.is-wrong-pick {
  border-color: var(--crimson);
}

.module-quiz-option-letter {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--oxford);
  min-width: 22px;
  text-transform: uppercase;
}

.module-quiz-feedback {
  display: none;
  margin-top: 12px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.55;
  border-left: 3px solid var(--ink);
  background: var(--paper);
}

.module-quiz-feedback.is-visible {
  display: block;
}

.module-quiz-feedback.is-correct {
  border-left-color: var(--quiz-correct);
  color: var(--ink);
}

.module-quiz-feedback.is-wrong {
  border-left-color: var(--crimson);
  color: var(--ink);
}

.module-quiz-feedback strong {
  display: block;
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.module-quiz-feedback.is-correct strong {
  color: var(--quiz-correct);
}

.module-quiz-feedback.is-wrong strong {
  color: var(--crimson);
}

.module-quiz-actions {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 6px;
  flex-wrap: wrap;
}

.module-quiz-submit,
.module-quiz-retake {
  padding: 12px 26px;
  background: var(--oxford);
  color: var(--paper);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1.5px solid var(--oxford);
  border-radius: 0;
  cursor: pointer;
  transition: background 0.15s ease;
}

.module-quiz-submit:hover,
.module-quiz-retake:hover {
  background: var(--ink);
  border-color: var(--ink);
}

.module-quiz-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.module-quiz-retake {
  background: var(--paper);
  color: var(--oxford);
}

.module-quiz-retake:hover {
  color: var(--paper);
  background: var(--oxford);
}

.module-quiz-score {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  padding: 6px 12px;
  border: 1.5px solid var(--ink);
  background: var(--paper-card);
}

.module-quiz-empty,
.module-quiz-error {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 14px 16px;
  border-left: 3px solid var(--rule-hair);
  background: var(--paper-card);
}

@media (max-width: 600px) {
  .module-quiz-question { padding: 18px 18px 14px; }
  .module-quiz-stem { font-size: 0.98rem; }
  .module-quiz-option { font-size: 0.92rem; padding: 10px 12px; }
}

/* Hide quiz when printing the portfolio or certificate */
@media print {
  .module-quiz { display: none; }
}

/* =============================================
   Instructor dashboard (/academy/cmo/admin/)
   Auth gate + roster grid + student detail view
   ============================================= */

.admin-page { background: var(--paper); color: var(--ink); min-height: 100vh; }

.admin-auth-gate {
  position: fixed;
  inset: 0;
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
}

.admin-auth-card {
  background: var(--paper-card);
  border: 2px solid var(--crimson);
  padding: 44px 48px 38px;
  max-width: 460px;
  width: 100%;
}

.admin-auth-eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--crimson);
  margin: 0 0 6px;
}

.admin-auth-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--ink);
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}

.admin-auth-statement {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.6;
  margin: 0 0 22px;
}

.admin-auth-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 8px;
}

.admin-auth-input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--ink);
  outline: none;
  border-radius: 0;
}

.admin-auth-input:focus {
  border-color: var(--crimson);
  box-shadow: inset 0 0 0 2px var(--crimson);
}

.admin-auth-submit {
  margin-top: 16px;
  width: 100%;
  padding: 12px 22px;
  background: var(--crimson);
  color: var(--paper);
  border: 1.5px solid var(--crimson);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 0;
}

.admin-auth-submit:hover { background: var(--crimson-deep); border-color: var(--crimson-deep); }

.admin-auth-error {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--crimson);
  margin: 12px 0 0;
  min-height: 1em;
}

.admin-header {
  background: var(--ink);
  color: var(--text-light);
  border-bottom: 6px solid var(--crimson);
}

.admin-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 22px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.admin-header-eyebrow {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-light-dim);
  margin: 0;
}

.admin-header-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--paper);
  margin: 0;
  letter-spacing: -0.01em;
}

.admin-header-controls { display: flex; gap: 10px; flex-wrap: wrap; }

.admin-btn {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 9px 18px;
  cursor: pointer;
  border-radius: 0;
  border: 1.5px solid var(--paper);
  background: transparent;
  color: var(--paper);
  transition: background 0.15s ease, color 0.15s ease;
}

.admin-btn:hover { background: var(--paper); color: var(--ink); }

.admin-btn-primary {
  background: var(--crimson);
  color: var(--paper);
  border-color: var(--crimson);
}
.admin-btn-primary:hover { background: var(--crimson-deep); color: var(--paper); border-color: var(--crimson-deep); }

.admin-view {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 32px 60px;
}

.admin-view-eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--crimson);
  margin: 0 0 6px;
}

.admin-view-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--ink);
  margin: 0 0 4px;
  letter-spacing: -0.02em;
}

.admin-view-meta {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0 0 26px;
}

.admin-roster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.admin-roster-card {
  text-align: left;
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 4px solid var(--oxford);
  padding: 22px 24px;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
  transition: transform 0.12s ease, background 0.12s ease;
  display: block;
}

.admin-roster-card:hover {
  background: var(--paper-deep);
  transform: translateY(-2px);
}

.admin-roster-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.admin-roster-card-name {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.admin-roster-card-role {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.admin-roster-card-pct {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--oxford);
  margin: 6px 0 8px;
}

.admin-roster-card-bar {
  height: 6px;
  background: var(--rule-hair);
  margin-bottom: 16px;
}

.admin-roster-card-bar-fill {
  height: 100%;
  background: var(--oxford);
  transition: width 0.3s ease;
}

.admin-roster-card-stats {
  font-family: var(--font-body);
  font-size: 0.84rem;
  color: var(--text-body);
  margin: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
}

.admin-roster-card-stats dt {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.admin-roster-card-stats dd {
  margin: 0;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink);
}

.admin-student-summary {
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 4px solid var(--crimson);
  padding: 22px 26px;
  margin-bottom: 28px;
}

.admin-student-summary-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  margin: 0;
}

.admin-student-summary-stats > div { display: flex; flex-direction: column; gap: 4px; }

.admin-student-summary-stats dt {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.admin-student-summary-stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.96rem;
  color: var(--ink);
}

.admin-module-list { display: flex; flex-direction: column; gap: 10px; }

.admin-module-card {
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
}

.admin-module-card-summary {
  display: grid;
  grid-template-columns: 50px 1fr 110px 80px 130px;
  gap: 12px;
  align-items: center;
  padding: 14px 18px;
  cursor: pointer;
  font-family: var(--font-body);
  list-style: none;
}

.admin-module-card-summary::-webkit-details-marker { display: none; }
.admin-module-card-summary::marker { display: none; }

.admin-module-card-num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--crimson);
  letter-spacing: 0.06em;
}

.admin-module-card-title {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--ink);
  font-size: 0.96rem;
}

.admin-module-card-status,
.admin-module-card-score,
.admin-module-card-fb {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: right;
}

.admin-module-card[open] .admin-module-card-summary { border-bottom: 1px solid var(--rule-hair); }

.admin-module-card-body { padding: 18px 26px 22px; }

.admin-section-head {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin: 18px 0 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rule-hair);
}

.admin-section-head:first-child { margin-top: 0; }

.admin-assignment-block p {
  font-family: var(--font-body);
  font-size: 0.94rem;
  color: var(--text-body);
  line-height: 1.65;
  margin: 0 0 10px;
}

.admin-post-card {
  background: var(--paper);
  border: 1px solid var(--rule-soft);
  border-left: 3px solid var(--crimson);
  padding: 12px 14px;
  margin: 10px 0;
}

.admin-post-card p { font-family: var(--font-body); font-size: 0.92rem; color: var(--text-body); margin: 0; line-height: 1.6; }

.admin-empty {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0;
}

.admin-meta {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
  margin: 4px 0 0;
}

.admin-feedback-form { display: flex; flex-direction: column; gap: 10px; }

.admin-feedback-textarea {
  width: 100%;
  min-height: 110px;
  padding: 12px 14px;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--ink);
  outline: none;
  border-radius: 0;
  resize: vertical;
  line-height: 1.55;
}

.admin-feedback-textarea:focus {
  border-color: var(--crimson);
  box-shadow: inset 0 0 0 2px var(--crimson);
}

.admin-feedback-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.admin-feedback-controls .admin-btn {
  border-color: var(--crimson);
  color: var(--crimson);
  background: transparent;
}

.admin-feedback-controls .admin-btn-primary { background: var(--crimson); color: var(--paper); }
.admin-feedback-controls .admin-btn:hover { background: var(--crimson); color: var(--paper); }

.admin-feedback-status {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

@media (max-width: 720px) {
  .admin-module-card-summary {
    grid-template-columns: 44px 1fr;
    grid-template-rows: auto auto;
  }
  .admin-module-card-status,
  .admin-module-card-score,
  .admin-module-card-fb {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media print {
  .admin-page { display: none; }
}

/* =============================================
   Instructor dashboard, second pass (UX rewrite)
   Adds activity feed, triage signals on roster
   cards, color-coded module cards, save toast.
   ============================================= */

.admin-page {
  --admin-attention: #B91C1C;
  --admin-attention-tint: #FDECEC;
  --admin-reviewed: #1F4D2C;
  --admin-reviewed-tint: #E7EFE8;
  --admin-struggling: #C2410C;
  --admin-struggling-tint: #FFEFE3;
  --admin-active-tint: #EEF2FB;
  --admin-mute: #94A3B8;
}

.admin-btn-ghost-dark {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.admin-btn-ghost-dark:hover { background: var(--ink); color: var(--paper); }

/* Activity feed */
.admin-activity {
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 4px solid var(--crimson);
  padding: 24px 28px 22px;
  margin: 0 0 36px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: end;
}
.admin-activity-head { grid-column: 1; }
.admin-activity-controls {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
  white-space: nowrap;
}
.admin-last-visit {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.admin-activity-feed {
  grid-column: 1 / -1;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule-hair);
}
.admin-activity-item {
  display: grid;
  grid-template-columns: 130px 110px 1fr 110px;
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule-hair);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--ink);
  position: relative;
}
.admin-activity-item:hover { background: var(--paper-deep); }
.admin-activity-item.is-new::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--crimson);
  border-radius: 50%;
}
.admin-activity-item.is-new {
  background: var(--admin-attention-tint);
  font-weight: 500;
}
.admin-activity-when {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.admin-activity-name {
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--ink);
}
.admin-activity-label {
  color: var(--text-body);
}
.admin-activity-item.is-assignment .admin-activity-label::before { content: 'Assignment, '; color: var(--oxford); font-weight: 700; }
.admin-activity-item.is-quiz .admin-activity-label::before { content: 'Quiz, '; color: var(--crimson); font-weight: 700; }
.admin-activity-item.is-post .admin-activity-label::before { content: 'Post, '; color: var(--text-muted); font-weight: 700; }
.admin-activity-preview {
  grid-column: 3 / 4;
  grid-row: 2;
  font-size: 0.84rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 2px;
}
.admin-activity-go {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--oxford);
  text-align: right;
}
.admin-activity-feed:empty + * { display: none; }

.admin-roster-section {
  margin-top: 8px;
}

/* Roster cards (simplified, triage-first) */
.admin-roster-card {
  position: relative;
  background: var(--paper-card);
  border: 1.5px solid var(--ink);
  border-top: 4px solid var(--oxford);
  padding: 22px 24px 20px;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
  text-align: left;
  transition: transform 0.12s ease, background 0.12s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.admin-roster-card.is-attention { border-top-color: var(--admin-attention); }
.admin-roster-card.is-complete { border-top-color: var(--admin-reviewed); }
.admin-roster-card.is-empty { border-top-color: var(--admin-mute); }
.admin-roster-card:hover { background: var(--paper-deep); transform: translateY(-2px); }

.admin-roster-new {
  position: absolute;
  top: -10px;
  right: 14px;
  background: var(--admin-attention);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 10px;
}
.admin-roster-card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.admin-roster-card-pctrow {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.admin-roster-card-pct {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--ink);
}
.admin-roster-card-pct-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.admin-roster-card-signals {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}
.admin-signal {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 0;
  border-left: 3px solid transparent;
  background: var(--paper);
}
.admin-signal-attention {
  color: var(--admin-attention);
  background: var(--admin-attention-tint);
  border-left-color: var(--admin-attention);
  font-weight: 700;
}
.admin-signal-warn {
  color: var(--admin-struggling);
  background: var(--admin-struggling-tint);
  border-left-color: var(--admin-struggling);
}
.admin-signal-ok {
  color: var(--admin-reviewed);
  background: var(--admin-reviewed-tint);
  border-left-color: var(--admin-reviewed);
}
.admin-signal-mute {
  color: var(--text-muted);
  background: var(--paper);
  border-left-color: var(--rule-hair);
}

/* Module list controls + legend */
.admin-module-list-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule-hair);
}
.admin-legend {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.admin-legend-swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 4px;
  vertical-align: -1px;
}
.admin-legend-swatch.is-attention { background: var(--admin-attention); }
.admin-legend-swatch.is-reviewed { background: var(--admin-reviewed); }
.admin-legend-swatch.is-struggling { background: var(--admin-struggling); }
.admin-legend-swatch.is-empty { background: var(--admin-mute); }

/* Color-coded module cards */
.admin-module-card { border-left: 4px solid var(--rule-hair); }
.admin-module-card.is-attention { border-left-color: var(--admin-attention); }
.admin-module-card.is-attention .admin-module-card-summary { background: var(--admin-attention-tint); }
.admin-module-card.is-reviewed { border-left-color: var(--admin-reviewed); }
.admin-module-card.is-reviewed .admin-module-card-summary { background: var(--admin-reviewed-tint); }
.admin-module-card.is-struggling { border-left-color: var(--admin-struggling); }
.admin-module-card.is-struggling .admin-module-card-summary { background: var(--admin-struggling-tint); }
.admin-module-card.is-active { border-left-color: var(--oxford); }
.admin-module-card.is-active .admin-module-card-summary { background: var(--admin-active-tint); }
.admin-module-card.is-empty { opacity: 0.7; }
.admin-module-card-highlight {
  outline: 2px solid var(--crimson);
  outline-offset: 4px;
}

.admin-module-card-status {
  font-weight: 700;
  color: var(--ink);
}
.admin-module-card.is-attention .admin-module-card-status { color: var(--admin-attention); }
.admin-module-card.is-reviewed .admin-module-card-status { color: var(--admin-reviewed); }
.admin-module-card.is-struggling .admin-module-card-status { color: var(--admin-struggling); }

.admin-module-card-num { position: relative; }
.admin-module-new-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--admin-attention);
  border-radius: 50%;
  margin-left: 6px;
  vertical-align: 1px;
}

/* Save toast */
.admin-toast {
  position: fixed;
  bottom: 22px;
  right: 22px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 12px 18px;
  border-left: 4px solid var(--admin-reviewed);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
  z-index: 50;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  max-width: 360px;
}
.admin-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.admin-toast.is-error { border-left-color: var(--admin-attention); }
.admin-toast.is-ok { border-left-color: var(--admin-reviewed); }

@media (max-width: 720px) {
  .admin-activity {
    grid-template-columns: 1fr;
  }
  .admin-activity-controls {
    align-items: flex-start;
  }
  .admin-activity-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .admin-activity-preview, .admin-activity-go {
    grid-column: 1;
  }
}