/* W9-B3 scoped shell: AI courseware subject page and its two real previews. */

body.workbench-courseware-entry,
body.workbench-courseware-detail {
  --courseware-paper: #f7f1e8;
  --courseware-surface: #fffdfc;
  --courseware-ink: #24313d;
  --courseware-muted: #66716f;
  --courseware-structure: #415a77;
  --courseware-stage: #1b2e45;
  --courseware-stage-soft: #263d57;
  --courseware-sage: #44755d;
  --courseware-clay: #d46a4c;
  --courseware-line: #ddd1c4;
  --courseware-shadow: 0 18px 48px rgba(56, 48, 39, .12);
  min-width: 320px;
  color: var(--courseware-ink);
  background: var(--courseware-paper);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.62;
}

body.workbench-courseware-entry > :where(.topbar, main, footer),
body.workbench-courseware-detail > :where(.topbar, main, footer) {
  position: relative;
  z-index: 1;
}

body.workbench-courseware-entry .topbar,
body.workbench-courseware-detail .topbar {
  border-bottom: 1px solid rgba(221, 209, 196, .84);
  background: rgba(247, 241, 232, .94);
  box-shadow: 0 8px 26px rgba(70, 60, 48, .05);
  backdrop-filter: blur(16px);
}

body.workbench-courseware-entry :where(.nav, .wrap, .footer-inner),
body.workbench-courseware-detail :where(.nav, .wrap, .footer-inner) {
  width: min(1180px, calc(100% - 48px));
}

body.workbench-courseware-entry .nav,
body.workbench-courseware-detail .nav {
  min-height: 72px;
}

body.workbench-courseware-entry .brand,
body.workbench-courseware-detail .brand {
  color: var(--courseware-ink);
  letter-spacing: .01em;
}

body.workbench-courseware-entry .mark,
body.workbench-courseware-detail .mark {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(65, 90, 119, .22);
  border-radius: 13px;
  color: #fffdfc;
  background: var(--courseware-structure);
  box-shadow: 0 7px 18px rgba(65, 90, 119, .18);
}

body.workbench-courseware-entry .links,
body.workbench-courseware-detail .links {
  gap: 6px;
  color: var(--courseware-muted);
}

body.workbench-courseware-entry .links a,
body.workbench-courseware-detail .links a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 8px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
}

body.workbench-courseware-entry .links a:hover,
body.workbench-courseware-entry .links a.active,
body.workbench-courseware-detail .links a:hover,
body.workbench-courseware-detail .links a.active {
  color: var(--courseware-ink);
  border-color: var(--courseware-line);
  background: var(--courseware-surface);
  box-shadow: none;
}

body.workbench-courseware-entry :where(a, button, summary):focus-visible,
body.workbench-courseware-detail :where(a, button, summary, .preview-stage):focus-visible {
  outline: 3px solid rgba(68, 117, 93, .58);
  outline-offset: 3px;
}

/* Subject page: keep the real courseware covers, replace only the shell. */
body.workbench-courseware-entry .scene {
  opacity: .16;
}

body.workbench-courseware-entry .scene::before,
body.workbench-courseware-entry .scene::after {
  background: none;
}

body.workbench-courseware-entry .hero {
  padding: 34px 0 18px;
}

body.workbench-courseware-entry .hero .wrap {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 52px 58px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 30px;
  color: #fffdfc;
  background: var(--courseware-stage);
  box-shadow: 0 24px 58px rgba(33, 45, 58, .18);
}

body.workbench-courseware-entry .crumb {
  color: #b8c5d1;
}

body.workbench-courseware-entry .crumb a,
body.workbench-courseware-entry .eyebrow {
  color: #c9d9e8;
}

body.workbench-courseware-entry h1 {
  max-width: 720px;
  margin-bottom: 15px;
  color: #fffdfc;
  font-size: clamp(48px, 6vw, 72px);
  line-height: 1.02;
  text-shadow: none;
}

body.workbench-courseware-entry .lead {
  color: #d5dee5;
  font-size: 17px;
}

body.workbench-courseware-entry .stage-tabs {
  margin-top: 24px;
}

body.workbench-courseware-entry .stage-tab {
  min-height: 38px;
  color: #d9e2e8;
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .07);
  box-shadow: none;
}

body.workbench-courseware-entry .stage-tab.active {
  color: #fffdfc;
  border-color: rgba(255, 255, 255, .32);
  background: rgba(255, 255, 255, .12);
  box-shadow: none;
}

body.workbench-courseware-entry .stage-tab :where(b, small) {
  color: #c8d6df;
}

body.workbench-courseware-entry .catalog {
  padding: 38px 0 78px;
}

body.workbench-courseware-entry .section-kicker {
  color: var(--courseware-sage);
}

body.workbench-courseware-entry .section-head h2 {
  color: var(--courseware-ink);
}

body.workbench-courseware-entry .count {
  color: var(--courseware-muted);
}

body.workbench-courseware-entry .resource-grid {
  gap: 22px;
  perspective: none;
}

body.workbench-courseware-entry .resource-card {
  min-height: 424px;
  border: 1px solid rgba(221, 209, 196, .92);
  border-radius: 26px;
  color: var(--courseware-ink);
  background: var(--courseware-surface);
  box-shadow: var(--courseware-shadow);
  transform: none;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

body.workbench-courseware-entry .resource-card::before,
body.workbench-courseware-entry .resource-card::after {
  content: none;
}

body.workbench-courseware-entry .resource-card:hover,
body.workbench-courseware-entry .resource-card:focus-visible {
  border-color: rgba(65, 90, 119, .34);
  box-shadow: 0 23px 58px rgba(56, 48, 39, .16);
  transform: translateY(-5px);
}

body.workbench-courseware-entry .resource-card .cover {
  height: 226px;
  border-bottom-color: rgba(221, 209, 196, .75);
  background: var(--courseware-stage);
  transform: none;
}

body.workbench-courseware-entry .slide-frame {
  border-color: rgba(255, 255, 255, .18);
  background: var(--courseware-stage-soft);
  box-shadow: 0 16px 34px rgba(16, 27, 39, .22);
}

body.workbench-courseware-entry .card-body {
  padding: 23px 25px 25px;
  transform: none;
}

body.workbench-courseware-entry .meta {
  color: var(--courseware-sage);
}

body.workbench-courseware-entry .resource-card.poem .meta {
  color: #9a633d;
}

body.workbench-courseware-entry .resource-card h3 {
  color: var(--courseware-ink);
}

body.workbench-courseware-entry .resource-card p {
  color: var(--courseware-muted);
}

body.workbench-courseware-entry .go {
  color: var(--courseware-structure);
}

body.workbench-courseware-entry .arrow {
  color: #fffdfc;
  background: var(--courseware-structure);
}

body.workbench-courseware-entry footer,
body.workbench-courseware-detail footer {
  border-top: 1px solid var(--courseware-line);
  color: var(--courseware-muted);
  background: #f2eadd;
  backdrop-filter: none;
}

/* Detail pages: warm frame around the existing, fully interactive story stage. */
body.workbench-courseware-detail {
  --bg: var(--courseware-paper);
  --bg-2: var(--courseware-surface);
  --panel: var(--courseware-surface);
  --panel-2: #f3eadf;
  --ink: var(--courseware-ink);
  --muted: var(--courseware-muted);
  --line: rgba(221, 209, 196, .92);
  --line-strong: rgba(65, 90, 119, .28);
  --cyan: #78b9aa;
  --blue: #b9ccdf;
  --gold: #dcb36f;
  --shadow: 0 23px 64px rgba(37, 48, 60, .18);
  background: var(--courseware-paper);
}

body.workbench-courseware-detail .hero {
  padding: 34px 0 20px;
}

body.workbench-courseware-detail .hero-intro {
  min-height: 286px;
  align-items: center;
  gap: 42px;
  padding: 42px 48px;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 28px;
  color: #fffdfc;
  background: var(--courseware-stage);
  box-shadow: 0 23px 58px rgba(33, 45, 58, .17);
}

body.workbench-courseware-detail .hero h1 {
  color: #fffdfc;
  text-wrap: balance;
}

body.workbench-courseware-detail .hero .eyebrow {
  color: #c9d9e8;
}

body.workbench-courseware-detail .hero .lead {
  color: #d5dee5;
}

body.workbench-courseware-detail .hero .chip {
  color: #e1e8ed;
  border-color: rgba(255, 255, 255, .19);
  background: rgba(255, 255, 255, .07);
}

body.workbench-courseware-detail .access-summary {
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-left: 3px solid #dcb36f;
  border-radius: 18px;
  background: rgba(255, 255, 255, .06);
}

body.workbench-courseware-detail .access-kicker,
body.workbench-courseware-detail .access-note {
  color: #c2ced7;
}

body.workbench-courseware-detail .access-summary strong {
  color: #fffdfc;
}

body.workbench-courseware-detail .preview-section {
  padding: 14px 0 72px;
}

body.workbench-courseware-detail .preview-toolbar {
  color: var(--courseware-muted);
}

body.workbench-courseware-detail .preview-stage {
  overflow: hidden;
  border: 1px solid rgba(65, 90, 119, .24);
  border-radius: 22px;
  background: var(--courseware-stage);
  box-shadow: var(--courseware-shadow);
}

body.workbench-courseware-detail .preview-copy h2 {
  color: #fffdfc;
}

body.workbench-courseware-detail .preview-controls {
  border-radius: 12px;
}

body.workbench-courseware-detail .preview-controls > button {
  min-width: 38px;
  min-height: 38px;
  border-radius: 9px;
}

body.workbench-courseware-detail .package-panel,
body.workbench-courseware-detail .more-info {
  border: 1px solid var(--courseware-line);
  border-radius: 18px;
  color: var(--courseware-ink);
  background: var(--courseware-surface);
  box-shadow: 0 12px 34px rgba(56, 48, 39, .08);
}

body.workbench-courseware-detail .package-files li {
  color: var(--courseware-ink);
  background: #faf6f0;
}

body.workbench-courseware-detail .more-row strong {
  color: var(--courseware-ink);
}

body.workbench-courseware-detail .more-row p,
body.workbench-courseware-detail .use-case-tags span {
  color: var(--courseware-muted);
}

body.workbench-courseware-detail .resource-code {
  color: #8b8177;
}

@media (max-width: 900px) {
  body.workbench-courseware-entry .hero .wrap,
  body.workbench-courseware-detail .hero-intro {
    min-height: 0;
    padding: 38px;
  }
}

@media (max-width: 640px) {
  body.workbench-courseware-entry :where(.nav, .wrap, .footer-inner),
  body.workbench-courseware-detail :where(.nav, .wrap, .footer-inner) {
    width: calc(100% - 28px);
  }

  body.workbench-courseware-entry .nav,
  body.workbench-courseware-detail .nav {
    width: 100%;
    min-height: 0;
  }

  body.workbench-courseware-entry .links,
  body.workbench-courseware-detail .links {
    border-top: 1px solid rgba(221, 209, 196, .72);
  }

  body.workbench-courseware-entry .links a,
  body.workbench-courseware-detail .links a {
    min-height: 44px;
    color: var(--courseware-muted);
    border-color: var(--courseware-line);
    background: var(--courseware-surface);
  }

  body.workbench-courseware-entry .hero,
  body.workbench-courseware-detail .hero {
    padding-top: 18px;
  }

  body.workbench-courseware-entry .hero .wrap,
  body.workbench-courseware-detail .hero-intro {
    width: calc(100% - 28px);
    padding: 28px 22px;
    border-radius: 22px;
  }

  body.workbench-courseware-entry h1 {
    font-size: clamp(39px, 13vw, 52px);
  }

  body.workbench-courseware-entry .catalog {
    padding: 26px 0 54px;
  }

  body.workbench-courseware-entry .stage-tab {
    min-height: 44px;
  }

  body.workbench-courseware-entry .resource-card {
    min-height: 394px;
    border-radius: 22px;
  }

  body.workbench-courseware-entry .resource-card .cover {
    height: 206px;
  }

  body.workbench-courseware-detail .hero h1 {
    font-size: 31px;
  }

  body.workbench-courseware-detail .access-summary {
    padding: 14px 16px;
  }

  body.workbench-courseware-detail .preview-stage {
    border-radius: 16px;
  }

  body.workbench-courseware-detail .preview-controls > button {
    width: 44px;
    height: 44px;
  }

  body.workbench-courseware-detail .slide-eyebrow,
  body.workbench-courseware-detail .slide-points span {
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.workbench-courseware-entry *,
  body.workbench-courseware-entry *::before,
  body.workbench-courseware-entry *::after,
  body.workbench-courseware-detail *,
  body.workbench-courseware-detail *::before,
  body.workbench-courseware-detail *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  body.workbench-courseware-entry .resource-card,
  body.workbench-courseware-entry .resource-card:hover,
  body.workbench-courseware-entry .resource-card:focus-visible {
    transform: none !important;
  }
}