* { box-sizing: border-box; }

:root {
  --detail-bg: #f6f3ec;
  --detail-surface: #fffdf8;
  --detail-ink: #15141a;
  --detail-muted: #625d55;
  --detail-line: #ded6c8;
  --detail-green: #14302a;
  --detail-coral: #c96442;
  --detail-accent: #b84a28;
  --detail-accent-2: #8e3518;
  --detail-amber: #c98421;
  --detail-success: #3f6a4a;
  --detail-serif: "Iowan Old Style", "Charter", Georgia, serif;
  --detail-mono: "SF Mono", Menlo, Monaco, Consolas, monospace;
}

html[data-theme="dark"] {
  --detail-bg: #171512;
  --detail-surface: #25211d;
  --detail-ink: #f5f1e8;
  --detail-muted: #aaa197;
  --detail-line: #41392f;
  --detail-green: #0e241f;
  --detail-coral: #e07856;
  --detail-accent: #e07856;
  --detail-accent-2: #f08968;
  --detail-amber: #dca248;
  --detail-success: #8fbe93;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: var(--detail-bg);
  color: var(--detail-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }

.outcome-list { padding-left: 1.2em; margin: 0 0 24px; font-size: 16px; line-height: 1.7; }
.outcome-list li + li { margin-top: 6px; }

.lms-icon {
  display: inline-block;
  flex: 0 0 auto;
  vertical-align: -0.18em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.detail-root {
  min-height: 100vh;
}

.course-site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: flex-start;
  background: var(--detail-bg);
  color: var(--detail-ink);
  gap: 26px;
  padding: 0 max(32px, calc((100vw - 1280px) / 2));
}

.course-site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--detail-ink);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.course-site-mark {
  display: inline-flex;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: var(--detail-coral);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: -0.08em;
  /* The drawn prompt mark (same paths as /favicon.svg); the typed ">_" stays in
     the markup for copy and screen readers but is not painted. */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cg fill='none' stroke='%23fff' stroke-width='7' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 18 30 32 16 46'/%3E%3Cpath d='M35 46h14'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100% 100%;
  color: transparent;
  font-size: 0;
}
.course-site-mark {
  width: 28px;
  height: 28px;
}

.course-site-links {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 20px;
  color: var(--detail-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.course-site-links a {
  white-space: nowrap;
}

.course-site-links a:hover {
  color: var(--detail-coral);
}

.course-site-links a[aria-current="page"] {
  color: var(--detail-ink);
}

.course-site-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid var(--detail-accent);
  border-radius: 4px;
  background: var(--detail-accent);
  color: #fff !important;
  order: 2;
  padding: 9px 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.11em;
  line-height: 1;
  text-transform: uppercase;
}

.course-site-nav-cta:hover {
  border-color: var(--detail-accent-2);
  background: var(--detail-accent-2);
}

.course-site-auth {
  display: inline-flex;
  order: 1;
  margin-left: auto;
  align-items: center;
  gap: 8px;
}

.course-site-links > .course-site-nav-cta:last-child {
  margin-left: auto;
}

.course-site-auth-btn {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--detail-muted);
  cursor: pointer;
  padding: 0 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.course-site-auth-btn:hover {
  color: var(--detail-accent);
  background: transparent;
}

.course-site-auth-btn:disabled {
  cursor: wait;
  opacity: 0.58;
}

.course-site-auth-status,
.course-site-auth-error {
  display: inline-flex;
  min-height: 28px;
  max-width: 180px;
  align-items: center;
  overflow: hidden;
  color: var(--detail-muted);
  font-size: 12px;
  font-weight: 760;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course-site-auth-status.is-signed-in {
  color: var(--detail-ink);
}

.course-site-auth-error {
  color: var(--detail-coral);
}

/* ---------- Course welcome page: Option A, "Catalog sheet" ----------
   The course reads as an editorial page on the left; a sticky access sheet
   on the right names the sign-in state, the learner's organization, progress
   and the ways in. Same width, kickers and squared tags as the catalog. */

.detail-main {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 18px 40px 64px;
}

.detail-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--detail-line);
  padding-bottom: 12px;
}

.detail-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: var(--detail-muted);
  font-family: var(--detail-mono);
  font-size: 10.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.detail-crumb a:hover {
  color: var(--detail-accent);
}

.detail-crumb [aria-current="page"] {
  overflow: hidden;
  color: var(--detail-ink);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-crumb-sep {
  color: var(--detail-line);
}

.mode-toggle {
  display: inline-flex;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--detail-line);
  border-radius: 4px;
  background: transparent;
  color: var(--detail-muted);
  cursor: pointer;
  padding: 0;
}

.mode-toggle:hover {
  border-color: var(--detail-accent);
  color: var(--detail-ink);
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 56px;
  align-items: start;
}

.detail-body {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--detail-accent);
  font-family: var(--detail-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1 {
  max-width: 24ch;
  margin: 0 0 10px;
  color: var(--detail-ink);
  font-family: var(--detail-serif);
  font-size: 30px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.lead {
  max-width: 56ch;
  margin: 0 0 18px;
  color: var(--detail-muted);
  font-size: 14.5px;
  line-height: 1.55;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 30px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--detail-line);
  border-radius: 2px;
  color: var(--detail-muted);
  padding: 2px 6px;
  font-family: var(--detail-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.detail-section {
  margin-top: 8px;
  border-top: 1px solid var(--detail-line);
  padding-top: 16px;
}

.detail-section + .detail-section {
  margin-top: 26px;
}

.section-kicker {
  margin: 0 0 12px;
  color: var(--detail-muted);
  font-family: var(--detail-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section-copy {
  max-width: 60ch;
  margin: 0 0 10px;
  color: var(--detail-muted);
  font-size: 13px;
  line-height: 1.55;
}

.section-copy:last-child {
  margin-bottom: 0;
}

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

.module-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: baseline;
  border-bottom: 1px solid var(--detail-line);
  padding: 10px 0;
}

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

.module-num {
  display: inline-flex;
  width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
  align-self: start;
  border: 1px solid var(--detail-line);
  border-radius: 2px;
  color: var(--detail-muted);
  font-family: var(--detail-mono);
  font-size: 10px;
}

.module-item h3 {
  margin: 0 0 3px;
  color: var(--detail-ink);
  font-family: var(--detail-serif);
  font-size: 15.5px;
  font-weight: 400;
  line-height: 1.3;
}

.module-item p {
  max-width: 62ch;
  margin: 0;
  color: var(--detail-muted);
  font-size: 12.5px;
  line-height: 1.5;
}

.module-time {
  color: var(--detail-muted);
  font-family: var(--detail-mono);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* The access sheet */

.access-sheet {
  position: sticky;
  top: 72px;
  display: grid;
  gap: 14px;
  border: 1px solid var(--detail-line);
  border-radius: 6px;
  background: var(--detail-surface);
  padding: 18px;
}

.access-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--detail-muted);
  font-size: 12.5px;
  line-height: 1.4;
}

.access-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--detail-muted);
}

.access-dot.is-ready { background: var(--detail-success); }
.access-dot.is-wait { background: var(--detail-amber); }
.access-dot.is-lock { background: var(--detail-muted); }

.access-rows {
  margin: 0;
}

.access-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--detail-line);
  padding: 6px 0;
  font-size: 12.5px;
}

.access-row:last-child {
  border-bottom: 0;
}

.access-row dt {
  color: var(--detail-muted);
}

.access-row dd {
  margin: 0;
  overflow: hidden;
  color: var(--detail-ink);
  font-family: var(--detail-mono);
  font-size: 11px;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.access-actions {
  display: grid;
  gap: 8px;
}

.btn {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--detail-line);
  border-radius: 4px;
  background: transparent;
  color: var(--detail-ink);
  padding: 0 14px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.btn:hover {
  border-color: var(--detail-accent);
}

.btn.primary {
  border-color: var(--detail-accent);
  background: var(--detail-accent);
  color: #fff;
}

.btn.primary:hover {
  border-color: var(--detail-accent-2);
  background: var(--detail-accent-2);
}

.btn.primary.is-waiting {
  cursor: wait;
  opacity: 0.55;
}

.btn.quiet {
  justify-content: flex-start;
  border-color: transparent;
  color: var(--detail-muted);
  padding-left: 0;
}

.btn.quiet:hover {
  color: var(--detail-accent);
}

.access-progress {
  display: flex;
  align-items: center;
  gap: 12px;
}

.access-progress-bar {
  flex: 1;
  height: 2px;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--detail-ink) 8%, transparent);
}

.access-progress-bar i {
  display: block;
  height: 100%;
  background: var(--detail-accent);
}

.access-progress-label {
  color: var(--detail-muted);
  font-family: var(--detail-mono);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 900px) {
  .detail-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .access-sheet {
    position: static;
  }
}

@media (max-width: 640px) {
  .detail-main {
    padding: 12px 20px 40px;
  }

  .course-site-nav {
    position: relative;
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 20px;
  }

  .course-site-links {
    flex-wrap: wrap;
    gap: 12px;
  }

  .course-site-nav-cta,
  .course-site-auth,
  .course-site-auth-btn {
    width: 100%;
  }

  .course-site-auth {
    align-items: stretch;
    flex-direction: column;
  }

  .course-site-auth-status,
  .course-site-auth-error {
    max-width: none;
  }

  h1 {
    font-size: 26px;
  }

  .module-item {
    grid-template-columns: 22px minmax(0, 1fr);
  }

  .module-time {
    grid-column: 2;
  }
}