:root {
  color-scheme: light;
  --workbench-page: #f7f1e8;
  --workbench-surface: #fffdfc;
  --workbench-surface-soft: #f3ebe1;
  --workbench-structure: #415a77;
  --workbench-structure-deep: #31475f;
  --workbench-accent: #d46a4c;
  --workbench-ink: #24313d;
  --workbench-muted: #66716f;
  --workbench-line: #ddd1c4;
  --workbench-sage: #44755d;
  --workbench-radius-sm: 14px;
  --workbench-radius-md: 22px;
  --workbench-radius-lg: 30px;
  --workbench-shadow-rest: 0 14px 34px rgba(78, 64, 48, .09), 0 2px 8px rgba(78, 64, 48, .05);
  --workbench-shadow-active: 0 22px 48px rgba(78, 64, 48, .14), 0 5px 14px rgba(78, 64, 48, .07);
  --workbench-motion-fast: 180ms;
  --workbench-motion-medium: 360ms;
  --workbench-motion-enter: 460ms;
  --workbench-ease: cubic-bezier(.2, .72, .22, 1);
}

html:has(body.workbench-page) {
  background: var(--workbench-page);
}

body.workbench-page {
  --ink: var(--workbench-ink);
  --muted: var(--workbench-muted);
  --dim: #7c8683;
  --line: var(--workbench-line);
  --accent: var(--workbench-sage);
  --accent-2: var(--workbench-structure);
  --gold: var(--workbench-accent);
  margin: 0;
  overflow-x: hidden;
  color: var(--workbench-ink);
  background:
    radial-gradient(circle at 9% 8%, rgba(255, 253, 252, .9), transparent 28rem),
    radial-gradient(circle at 90% 22%, rgba(221, 209, 196, .28), transparent 32rem),
    var(--workbench-page);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  text-rendering: optimizeLegibility;
  isolation: isolate;
}

body.workbench-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .34;
  background-image: radial-gradient(rgba(65, 90, 119, .08) .55px, transparent .55px);
  background-size: 7px 7px;
}

body.workbench-page :where(a, button):focus-visible {
  outline: 3px solid color-mix(in srgb, var(--workbench-structure) 76%, white);
  outline-offset: 4px;
}

body.workbench-page :where(.scene, #knowledgeCanvas, .aurora, .beam) {
  display: none !important;
}

body.workbench-page .workbench-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  opacity: .68;
}

body.workbench-home .stage,
body.workbench-catalog > :where(.hero, .catalog, footer) {
  position: relative;
  z-index: 1;
}

body.workbench-catalog > .topbar { z-index: 1; }

.workbench-reveal {
  opacity: 0;
  transform: translateY(14px);
}

.workbench-reveal.workbench-revealed {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity var(--workbench-motion-enter) var(--workbench-ease) var(--workbench-delay, 0ms),
    transform var(--workbench-motion-enter) var(--workbench-ease) var(--workbench-delay, 0ms);
}

/* Home sample */
body.workbench-home .stage {
  min-height: 100svh;
  overflow: clip;
  color: var(--workbench-ink);
  background: transparent;
}

body.workbench-home .stage::before,
body.workbench-home .stage::after {
  content: none;
}

body.workbench-home .topbar {
  width: min(1180px, calc(100% - 54px));
  min-height: 88px;
  color: var(--workbench-ink);
}

body.workbench-home .mark {
  border: 1px solid rgba(65, 90, 119, .18);
  color: white;
  background: linear-gradient(145deg, #536d8a, #354e69);
  box-shadow: 0 8px 18px rgba(49, 71, 95, .14), inset 0 1px 0 rgba(255,255,255,.3);
  backdrop-filter: none;
}

body.workbench-home .mark svg {
  stroke: #fffdfc;
}

body.workbench-home .brand-copy strong {
  color: var(--workbench-ink);
}

body.workbench-home .brand-copy .roman {
  color: #75808a;
}

body.workbench-home .support {
  min-height: 44px;
  color: #fffdfc;
  background: var(--workbench-structure);
  box-shadow: 0 8px 18px rgba(49, 71, 95, .15);
  backdrop-filter: none;
  transition: transform var(--workbench-motion-fast) var(--workbench-ease), box-shadow var(--workbench-motion-fast) ease;
}

body.workbench-home .support:hover,
body.workbench-home .support:focus-visible {
  color: #fffdfc;
  background: var(--workbench-structure-deep);
  box-shadow: 0 12px 24px rgba(49, 71, 95, .2);
  transform: translateY(-2px);
}

body.workbench-home .support i {
  color: var(--workbench-structure-deep);
  background: #f7ede3;
}

body.workbench-home .hero {
  min-height: calc(100svh - 150px);
  padding: 20px 0 44px;
}

body.workbench-home .hero-copy {
  gap: 16px;
}

body.workbench-home .eyebrow {
  color: #f8fafc;
  background: var(--workbench-structure);
  box-shadow: none;
  backdrop-filter: none;
}

body.workbench-home .eyebrow::before {
  background: #cfe0d5;
  box-shadow: none;
}

body.workbench-home h1 {
  color: var(--workbench-ink);
  font-size: clamp(52px, 6.4vw, 88px);
  letter-spacing: -.035em;
  text-shadow: none;
}

body.workbench-home .h1-accent {
  color: var(--workbench-structure);
  background: none;
  filter: none;
  -webkit-text-fill-color: currentColor;
}

body.workbench-home .subtitle {
  color: var(--workbench-muted);
}

body.workbench-home .micro-strip {
  color: var(--workbench-ink);
}

body.workbench-home .micro-strip span::before {
  background: var(--workbench-sage);
}

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

body.workbench-home .entry-card {
  --workbench-card-accent: var(--workbench-structure);
  --workbench-pointer-x: 50%;
  --workbench-pointer-y: 50%;
  height: 318px;
  border: 1px solid var(--workbench-line);
  border-radius: var(--workbench-radius-lg);
  color: var(--workbench-ink);
  background: var(--workbench-surface);
  box-shadow: var(--workbench-shadow-rest);
  transform: none;
  transition:
    transform var(--workbench-motion-medium) var(--workbench-ease),
    box-shadow var(--workbench-motion-medium) ease,
    border-color var(--workbench-motion-fast) ease;
  will-change: auto;
}

body.workbench-home .entry-card:first-child { --workbench-card-accent: var(--workbench-sage); }
body.workbench-home .entry-card.courseware { --workbench-card-accent: var(--workbench-structure); }
body.workbench-home .entry-card.recording { --workbench-card-accent: #b96842; }

body.workbench-home .entry-card::before {
  inset: 0;
  opacity: 0;
  background: radial-gradient(circle at var(--workbench-pointer-x) var(--workbench-pointer-y), color-mix(in srgb, var(--workbench-card-accent) 12%, transparent), transparent 40%);
  transform: none;
  transition: opacity var(--workbench-motion-fast) ease;
}

body.workbench-home .entry-card::after {
  left: 24px;
  right: 24px;
  top: 142px;
  background: linear-gradient(90deg, transparent, var(--workbench-line), transparent);
  box-shadow: none;
}

body.workbench-home .entry-card:hover,
body.workbench-home .entry-card:focus-visible,
body.workbench-home .entry-card:focus-within {
  border-color: color-mix(in srgb, var(--workbench-card-accent) 36%, var(--workbench-line));
  box-shadow: var(--workbench-shadow-active);
  transform: translateY(-5px) rotate(.45deg);
}

body.workbench-home .entry-card:nth-child(even):hover,
body.workbench-home .entry-card:nth-child(even):focus-visible {
  transform: translateY(-5px) rotate(-.45deg);
}

body.workbench-home .entry-card:hover::before,
body.workbench-home .entry-card:focus-visible::before,
body.workbench-home .entry-card:focus-within::before {
  opacity: 1;
}

body.workbench-home .entry-card[data-workbench-pressed="true"] {
  transform: translateY(1px) scale(.995);
  transition-duration: 90ms;
}

body.workbench-home .entry-visual {
  height: 142px;
  flex: 0 0 142px;
  border-bottom: 1px solid color-mix(in srgb, var(--workbench-line) 78%, transparent);
  background:
    linear-gradient(145deg, rgba(255,255,255,.72), rgba(247,241,232,.42)),
    var(--workbench-surface-soft);
  transform: none;
}

body.workbench-home .entry-visual::before,
body.workbench-home .visual-glyph {
  animation: none;
}

body.workbench-home .entry-card:first-child .entry-visual {
  background:
    linear-gradient(145deg, rgba(255,255,255,.78), rgba(223,235,226,.46)),
    #e9eee8;
}

body.workbench-home .entry-card.courseware .entry-visual {
  background: linear-gradient(145deg, #31475f, #1f3144);
}

body.workbench-home .entry-card.recording .entry-visual {
  background: linear-gradient(145deg, #26313a, #172129 70%, #3b2d25);
}

body.workbench-home .entry-body {
  padding: 20px 24px 22px;
  transform: none;
}

body.workbench-home .entry-card:first-child .entry-body {
  padding: 20px 24px 22px;
}

body.workbench-home .entry-card h2 {
  color: var(--workbench-ink);
  font-size: clamp(27px, 2.2vw, 33px);
  margin-bottom: 8px;
}

body.workbench-home .entry-card p {
  min-height: 46px;
  color: var(--workbench-muted);
}

body.workbench-home .entry-action {
  color: var(--workbench-card-accent);
  padding-top: 16px;
}

body.workbench-home .entry-action i {
  color: #fffdfc;
  background: var(--workbench-card-accent);
  box-shadow: none;
}

body.workbench-home .entry-card:hover .entry-action i,
body.workbench-home .entry-card:focus-visible .entry-action i,
body.workbench-home .entry-card:focus-within .entry-action i {
  transform: translateX(3px);
}

body.workbench-home .recording .entry-kicker {
  color: #fffdfc;
  background: var(--workbench-accent);
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 12px;
}

body.workbench-home .visual-glyph {
  color: var(--workbench-structure);
  background: rgba(255, 253, 252, .82);
  box-shadow: 0 8px 20px rgba(78,64,48,.1), inset 0 0 0 1px rgba(65,90,119,.12);
}

body.workbench-home .visual-chip {
  background: color-mix(in srgb, var(--workbench-card-accent) 22%, #fffdfc);
  box-shadow: none;
}

body.workbench-home .mini-resource {
  box-shadow: 0 6px 16px rgba(78,64,48,.12);
  transition: transform var(--workbench-motion-medium) var(--workbench-ease), box-shadow var(--workbench-motion-medium) ease;
}

body.workbench-home .entry-card:hover .mini-resource:nth-child(1),
body.workbench-home .entry-card:focus-visible .mini-resource:nth-child(1),
body.workbench-home .entry-card:focus-within .mini-resource:nth-child(1) { transform: translate(-3px, -3px) rotate(-.35deg); }
body.workbench-home .entry-card:hover .mini-resource:nth-child(2),
body.workbench-home .entry-card:focus-visible .mini-resource:nth-child(2),
body.workbench-home .entry-card:focus-within .mini-resource:nth-child(2) { transform: translate(2px, -2px) rotate(.25deg); }
body.workbench-home .entry-card:hover .mini-resource:nth-child(3),
body.workbench-home .entry-card:focus-visible .mini-resource:nth-child(3),
body.workbench-home .entry-card:focus-within .mini-resource:nth-child(3) { transform: translate(-2px, 2px) rotate(.2deg); }
body.workbench-home .entry-card:hover .mini-resource:nth-child(4),
body.workbench-home .entry-card:focus-visible .mini-resource:nth-child(4),
body.workbench-home .entry-card:focus-within .mini-resource:nth-child(4) { transform: translate(3px, 1px) rotate(-.2deg); }

body.workbench-home .mini-resource:hover {
  z-index: 4;
  transform: translateY(-5px) scale(1.02) !important;
  box-shadow: 0 10px 22px rgba(78,64,48,.18);
}

body.workbench-home .mini-slide {
  color: var(--workbench-ink);
  background: #fffdfc;
  box-shadow: 0 8px 18px rgba(78,64,48,.11), inset 0 0 0 1px rgba(65,90,119,.1);
  transition: transform var(--workbench-motion-medium) var(--workbench-ease);
}

body.workbench-home .mini-slide span {
  background: rgba(65,90,119,.18);
  box-shadow: 0 11px 0 rgba(68,117,93,.12);
}

body.workbench-home .entry-card.courseware:hover .mini-slide.one,
body.workbench-home .entry-card.courseware:focus-visible .mini-slide.one,
body.workbench-home .entry-card.courseware:focus-within .mini-slide.one {
  transform: translate(-7px, -4px) rotate(-5deg);
}

body.workbench-home .entry-card.courseware:hover .mini-slide.two,
body.workbench-home .entry-card.courseware:focus-visible .mini-slide.two,
body.workbench-home .entry-card.courseware:focus-within .mini-slide.two {
  transform: translate(8px, 3px) rotate(6deg);
}

body.workbench-home .record-preview {
  background: rgba(255,253,252,.08);
  border-radius: 18px;
  box-shadow: inset 0 0 0 1px rgba(255,253,252,.11);
}

body.workbench-home .track {
  background: rgba(255,253,252,.09);
}

body.workbench-home .track::before,
body.workbench-home .track::after {
  transform-origin: left center;
  background: #d58b55;
}

body.workbench-home .recording:hover .track::before,
body.workbench-home .recording:focus-visible .track::before,
body.workbench-home .recording:focus-within .track::before {
  animation: workbench-wave 720ms ease-in-out infinite alternate;
}

body.workbench-home .recording:hover .track::after,
body.workbench-home .recording:focus-visible .track::after,
body.workbench-home .recording:focus-within .track::after {
  animation: workbench-wave 620ms ease-in-out 90ms infinite alternate-reverse;
}

body.workbench-home .status-line {
  border-top: 1px solid var(--workbench-line);
  color: var(--workbench-muted);
  background: rgba(255,253,252,.58);
  backdrop-filter: none;
}

body.workbench-home .contact-modal {
  background: rgba(36,49,61,.32);
  backdrop-filter: blur(8px);
}

body.workbench-home .contact-card {
  border: 1px solid var(--workbench-line);
  color: var(--workbench-ink);
  background: var(--workbench-surface);
  box-shadow: 0 28px 72px rgba(49,71,95,.22);
}

body.workbench-home .contact-head p,
body.workbench-home .contact-item span,
body.workbench-home .contact-item a {
  color: var(--workbench-muted);
}

body.workbench-home .modal-close {
  color: var(--workbench-ink);
  background: var(--workbench-surface-soft);
  box-shadow: inset 0 0 0 1px var(--workbench-line);
}

body.workbench-home .contact-item {
  background: #faf6f1;
  box-shadow: inset 0 0 0 1px var(--workbench-line);
}

/* Catalog sample */
body.workbench-catalog {
  isolation: isolate;
}

body.workbench-catalog .topbar {
  border-bottom: 1px solid rgba(221,209,196,.82);
  color: var(--workbench-ink);
  background: rgba(247,241,232,.9);
  backdrop-filter: blur(14px);
}

body.workbench-catalog .nav,
body.workbench-catalog .wrap {
  width: min(1160px, calc(100% - 44px));
}

body.workbench-catalog .mark {
  color: #fffdfc;
  background: var(--workbench-structure);
  box-shadow: 0 6px 14px rgba(49,71,95,.14);
}

body.workbench-catalog .brand,
body.workbench-catalog .links {
  color: var(--workbench-ink);
}

body.workbench-catalog .links a {
  color: var(--workbench-muted);
  transition: color var(--workbench-motion-fast) ease, background var(--workbench-motion-fast) ease, transform var(--workbench-motion-fast) ease;
}

body.workbench-catalog .links a:hover,
body.workbench-catalog .links a.active,
body.workbench-catalog .links a:focus-visible {
  color: var(--workbench-structure-deep);
  background: #fffdfc;
  box-shadow: inset 0 0 0 1px var(--workbench-line);
}

body.workbench-catalog .hero {
  padding: 56px 0 26px;
}

body.workbench-catalog .crumb {
  color: #7d8582;
}

body.workbench-catalog .eyebrow {
  color: var(--workbench-sage);
}

body.workbench-catalog h1 {
  color: var(--workbench-ink);
  font-size: clamp(52px, 6vw, 74px);
  letter-spacing: -.035em;
  text-shadow: none;
}

body.workbench-catalog .lead {
  color: var(--workbench-muted);
}

body.workbench-catalog .hero-meta span {
  color: var(--workbench-muted);
  background: rgba(255,253,252,.72);
  box-shadow: inset 0 0 0 1px var(--workbench-line);
}

body.workbench-catalog .hero-meta span:first-child {
  color: var(--workbench-structure-deep);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--workbench-structure) 34%, var(--workbench-line));
}

body.workbench-catalog .catalog {
  padding: 22px 0 82px;
}

body.workbench-catalog .stage-catalog {
  gap: 38px;
}

body.workbench-catalog .stage-heading {
  border-bottom: 1px solid var(--workbench-line);
  color: var(--workbench-structure-deep);
}

body.workbench-catalog .stage-heading small {
  color: var(--workbench-muted);
}

body.workbench-catalog .grid {
  gap: 22px;
  perspective: none;
}

body.workbench-catalog .subject {
  --workbench-card-accent: var(--workbench-sage);
  --workbench-pointer-x: 50%;
  --workbench-pointer-y: 50%;
  min-height: 300px;
  border: 1px solid var(--workbench-line);
  border-radius: var(--workbench-radius-lg);
  color: var(--workbench-ink);
  background: var(--workbench-surface);
  box-shadow: var(--workbench-shadow-rest);
  transform: none;
  transition:
    transform var(--workbench-motion-medium) var(--workbench-ease),
    box-shadow var(--workbench-motion-medium) ease,
    border-color var(--workbench-motion-fast) ease;
  will-change: auto;
}

body.workbench-catalog .subject.math { --workbench-card-accent: var(--workbench-structure); }
body.workbench-catalog .subject.music { --workbench-card-accent: var(--workbench-accent); }
body.workbench-catalog .subject.physics { --workbench-card-accent: #5f7188; }

body.workbench-catalog .subject::before {
  opacity: 0;
  background: radial-gradient(circle at var(--workbench-pointer-x) var(--workbench-pointer-y), color-mix(in srgb, var(--workbench-card-accent) 11%, transparent), transparent 42%);
  transition: opacity var(--workbench-motion-fast) ease;
}

body.workbench-catalog .subject::after {
  content: none;
}

body.workbench-catalog .subject:hover,
body.workbench-catalog .subject:focus-visible {
  border-color: color-mix(in srgb, var(--workbench-card-accent) 38%, var(--workbench-line));
  box-shadow: var(--workbench-shadow-active);
  transform: translateY(-5px) rotate(.4deg);
}

body.workbench-catalog .subject:nth-child(even):hover,
body.workbench-catalog .subject:nth-child(even):focus-visible {
  transform: translateY(-5px) rotate(-.4deg);
}

body.workbench-catalog .subject:hover::before,
body.workbench-catalog .subject:focus-visible::before {
  opacity: 1;
}

body.workbench-catalog .subject[data-workbench-pressed="true"] {
  transform: translateY(1px) scale(.995);
  transition-duration: 90ms;
}

body.workbench-catalog .cover {
  height: 136px;
  border-bottom: 1px solid var(--workbench-line);
  background: var(--workbench-surface-soft);
  transform: none;
}

body.workbench-catalog .subject .subject-image-cover {
  background:
    radial-gradient(circle at 50% 40%, rgba(255,253,252,.95), transparent 58%),
    #efe3d5;
}

body.workbench-catalog .subject .subject-image-cover img {
  width: 96px;
  height: 96px;
  border-radius: 25px;
  box-shadow: 0 10px 24px rgba(78,64,48,.12);
  transition: transform var(--workbench-motion-medium) var(--workbench-ease), box-shadow var(--workbench-motion-medium) ease;
}

body.workbench-catalog .subject:hover .subject-image-cover img,
body.workbench-catalog .subject:focus-visible .subject-image-cover img {
  transform: translateY(-3px) scale(1.035);
  box-shadow: 0 14px 30px rgba(78,64,48,.17);
}

body.workbench-catalog .body {
  padding: 20px 24px 24px;
  transform: none;
}

body.workbench-catalog .status {
  color: var(--workbench-card-accent);
}

body.workbench-catalog .subject h2 {
  color: var(--workbench-ink);
}

body.workbench-catalog .subject p {
  color: var(--workbench-muted);
}

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

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

body.workbench-catalog .subject:hover .arrow,
body.workbench-catalog .subject:focus-visible .arrow {
  transform: translateX(3px);
}

body.workbench-catalog footer {
  border-top: 1px solid var(--workbench-line);
  color: var(--workbench-muted);
  background: rgba(255,253,252,.55);
  backdrop-filter: none;
}

/* Shared first-level shell */
body.workbench-page > :where(.topbar, main, footer) {
  position: relative;
  z-index: 1;
}

body.workbench-page > .topbar {
  border-bottom: 1px solid rgba(221,209,196,.82);
  color: var(--workbench-ink);
  background: rgba(247,241,232,.9);
  backdrop-filter: blur(14px);
}

body.workbench-page > .topbar .nav {
  width: min(1180px, calc(100% - 54px));
  min-height: 82px;
}

body.workbench-page > .topbar .brand {
  gap: 12px;
  color: var(--workbench-ink);
}

body.workbench-page > .topbar .mark {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(65,90,119,.18);
  border-radius: 15px;
  color: #fffdfc;
  background: linear-gradient(145deg, #536d8a, #354e69);
  box-shadow: 0 8px 18px rgba(49,71,95,.14), inset 0 1px 0 rgba(255,255,255,.3);
}

body.workbench-page > .topbar .mark svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: #fffdfc;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

body.workbench-page > .topbar .brand-copy {
  display: grid;
  gap: 1px;
  line-height: 1.15;
}

body.workbench-page > .topbar .brand-copy strong {
  color: var(--workbench-ink);
  font-size: 16px;
}

body.workbench-page > .topbar .brand-copy .roman {
  color: #75808a;
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .12em;
}

body.workbench-page > .topbar .links {
  color: var(--workbench-muted);
}

body.workbench-page > .topbar .links a {
  color: var(--workbench-muted);
  transition: color var(--workbench-motion-fast) ease, background var(--workbench-motion-fast) ease, transform var(--workbench-motion-fast) ease;
}

body.workbench-page > .topbar .links a:hover,
body.workbench-page > .topbar .links a.active,
body.workbench-page > .topbar .links a:focus-visible {
  color: var(--workbench-structure-deep);
  background: #fffdfc;
  box-shadow: inset 0 0 0 1px var(--workbench-line);
  transform: translateY(-1px);
}

body.workbench-page > footer {
  border-top: 1px solid var(--workbench-line);
  color: var(--workbench-muted);
  background: rgba(255,253,252,.58);
  backdrop-filter: none;
}

/* AI courseware: warm shell with a local rock-blue narrative stage. */
body.workbench-courseware .hero {
  padding: 34px 0 20px;
}

body.workbench-courseware .hero .wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(65,90,119,.18);
  border-radius: var(--workbench-radius-lg);
  padding: 46px 48px;
  color: #f7f3ed;
  background: linear-gradient(135deg, #243a52, #172a3e 72%, #263f56);
  box-shadow: 0 20px 50px rgba(49,71,95,.18);
}

body.workbench-courseware .crumb { color: #aebbc7; }
body.workbench-courseware .eyebrow { color: #c8d7e7; }

body.workbench-courseware h1 {
  color: #fffdfc;
  font-size: clamp(50px, 5.4vw, 70px);
  letter-spacing: -.035em;
  text-shadow: none;
}

body.workbench-courseware .lead { color: #d3dce4; }

body.workbench-courseware .hero-meta span {
  color: #d6dfe7;
  background: rgba(255,253,252,.08);
  box-shadow: inset 0 0 0 1px rgba(255,253,252,.15);
}

body.workbench-courseware .hero-meta span:first-child {
  color: #fffdfc;
  background: rgba(255,253,252,.13);
  box-shadow: inset 0 0 0 1px rgba(255,253,252,.22);
}

body.workbench-courseware main > .wrap {
  width: min(1160px, calc(100% - 44px));
}

body.workbench-courseware .grid {
  gap: 22px;
  padding: 18px 0 82px;
  perspective: none;
}

body.workbench-courseware .subject {
  --workbench-card-accent: var(--workbench-structure);
  --workbench-pointer-x: 50%;
  --workbench-pointer-y: 50%;
  --workbench-rx: 0deg;
  --workbench-ry: 0deg;
  min-height: 286px;
  border: 1px solid var(--workbench-line);
  border-radius: var(--workbench-radius-lg);
  color: var(--workbench-ink);
  background: var(--workbench-surface);
  box-shadow: var(--workbench-shadow-rest);
  transform: perspective(1000px) rotateX(var(--workbench-rx)) rotateY(var(--workbench-ry));
  transition: transform var(--workbench-motion-medium) var(--workbench-ease), box-shadow var(--workbench-motion-medium) ease, border-color var(--workbench-motion-fast) ease, opacity var(--workbench-motion-fast) ease;
  will-change: auto;
}

body.workbench-courseware .subject::before {
  opacity: 0;
  background: radial-gradient(circle at var(--workbench-pointer-x) var(--workbench-pointer-y), rgba(65,90,119,.11), transparent 42%);
  transition: opacity var(--workbench-motion-fast) ease;
}

body.workbench-courseware .subject::after { content: none; }

body.workbench-courseware .subject:hover,
body.workbench-courseware .subject:focus-visible {
  border-color: color-mix(in srgb, var(--workbench-structure) 38%, var(--workbench-line));
  box-shadow: var(--workbench-shadow-active);
  transform: perspective(1000px) rotateX(var(--workbench-rx)) rotateY(var(--workbench-ry)) translateY(-5px);
}

body.workbench-courseware .subject:hover::before,
body.workbench-courseware .subject:focus-visible::before { opacity: 1; }

body.workbench-courseware .subject[data-workbench-pressed="true"] {
  transform: translateY(1px) scale(.995);
  transition-duration: 90ms;
}

body.workbench-courseware .subject.future {
  opacity: .72;
  box-shadow: inset 0 0 0 1px var(--workbench-line), 0 10px 26px rgba(78,64,48,.06);
}

body.workbench-courseware .cover {
  height: 124px;
  border-bottom: 1px solid var(--workbench-line);
  background: linear-gradient(145deg, #e9edf0, #f4ece2);
  transform: none;
}

body.workbench-courseware .slide {
  color: var(--workbench-structure-deep);
  background: #fffdfc;
  box-shadow: inset 0 0 0 1px rgba(65,90,119,.11), 0 9px 22px rgba(49,71,95,.12);
}

body.workbench-courseware .body {
  padding: 20px 24px 24px;
  transform: none;
}

body.workbench-courseware .status { color: var(--workbench-structure); }
body.workbench-courseware .subject h2 { color: var(--workbench-ink); }
body.workbench-courseware .subject p { color: var(--workbench-muted); }
body.workbench-courseware .go { color: var(--workbench-structure); }

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

/* Recording: warm shell with a local charcoal-blue and amber studio stage. */
body.workbench-recording .hero {
  padding: 34px 0 24px;
}

body.workbench-recording .hero .hero-grid {
  position: relative;
  overflow: hidden;
  align-items: center;
  border: 1px solid rgba(84,73,62,.24);
  border-radius: var(--workbench-radius-lg);
  padding: 46px 48px;
  color: #f7f3ed;
  background: linear-gradient(135deg, #1b2730, #111a21 68%, #3b2b22);
  box-shadow: 0 20px 50px rgba(53,45,38,.2);
}

body.workbench-recording .crumb { color: #abb3b7; }
body.workbench-recording .eyebrow { color: #e0b579; }

body.workbench-recording h1 {
  color: #fffdfc;
  font-size: clamp(50px, 5.4vw, 70px);
  letter-spacing: -.035em;
  text-shadow: none;
}

body.workbench-recording .lead { color: #d2d6d7; }

body.workbench-recording .button {
  color: #f4eee8;
  background: rgba(255,253,252,.06);
  box-shadow: inset 0 0 0 1px rgba(255,253,252,.18);
}

body.workbench-recording .button.primary {
  color: #2c2118;
  background: #e0b579;
  box-shadow: 0 10px 24px rgba(224,181,121,.18);
}

body.workbench-recording .summary {
  --workbench-rx: 0deg;
  --workbench-ry: 0deg;
  border: 1px solid rgba(255,253,252,.14);
  color: #f7f3ed;
  background: rgba(255,253,252,.06);
  box-shadow: 0 18px 44px rgba(0,0,0,.24);
  transform: perspective(1000px) rotateX(var(--workbench-rx)) rotateY(var(--workbench-ry));
}

body.workbench-recording .summary h2 { color: #fffdfc; }
body.workbench-recording .summary-item { border-color: rgba(255,253,252,.13); }
body.workbench-recording .summary-item strong { color: #e0b579; }
body.workbench-recording .summary-item span { color: #b9c0c3; }

body.workbench-recording .section {
  padding: 26px 0 82px;
}

body.workbench-recording .section-head h2 { color: var(--workbench-ink); }
body.workbench-recording .section-head p { color: var(--workbench-muted); }

body.workbench-recording .tag {
  color: var(--workbench-muted);
  background: rgba(255,253,252,.72);
  box-shadow: inset 0 0 0 1px var(--workbench-line);
}

body.workbench-recording .tag.active {
  color: #8a542f;
  box-shadow: inset 0 0 0 1px rgba(185,104,66,.28);
}

body.workbench-recording .service-grid { perspective: none; }

body.workbench-recording .service-card {
  --workbench-pointer-x: 50%;
  --workbench-pointer-y: 50%;
  --workbench-rx: 0deg;
  --workbench-ry: 0deg;
  border: 1px solid var(--workbench-line);
  border-radius: var(--workbench-radius-lg);
  color: var(--workbench-ink);
  background: var(--workbench-surface);
  box-shadow: var(--workbench-shadow-rest);
  transform: perspective(1000px) rotateX(var(--workbench-rx)) rotateY(var(--workbench-ry));
  transition: transform var(--workbench-motion-medium) var(--workbench-ease), box-shadow var(--workbench-motion-medium) ease, border-color var(--workbench-motion-fast) ease, opacity var(--workbench-motion-fast) ease;
  will-change: auto;
}

body.workbench-recording .service-card::before {
  opacity: 0;
  background: radial-gradient(circle at var(--workbench-pointer-x) var(--workbench-pointer-y), rgba(185,104,66,.12), transparent 42%);
  transition: opacity var(--workbench-motion-fast) ease;
}

body.workbench-recording .service-card::after { content: none; }

body.workbench-recording .service-card:hover,
body.workbench-recording .service-card:focus-visible {
  border-color: color-mix(in srgb, #b96842 38%, var(--workbench-line));
  box-shadow: var(--workbench-shadow-active);
  transform: perspective(1000px) rotateX(var(--workbench-rx)) rotateY(var(--workbench-ry)) translateY(-5px);
}

body.workbench-recording .service-card:hover::before,
body.workbench-recording .service-card:focus-visible::before { opacity: 1; }

body.workbench-recording .service-card[data-workbench-pressed="true"] {
  transform: translateY(1px) scale(.995);
  transition-duration: 90ms;
}

body.workbench-recording .service-card.muted { opacity: .76; }

body.workbench-recording .preview {
  border-bottom: 1px solid rgba(224,181,121,.18);
  background: linear-gradient(145deg, #25313a, #172129 72%, #3a2b22);
  transform: none;
}

body.workbench-recording .preview-code { color: #e0b579; }
body.workbench-recording .timeline span { background: rgba(224,181,121,.34); }
body.workbench-recording .timeline span:nth-child(2) { background: rgba(119,145,170,.34); }
body.workbench-recording .timeline span:nth-child(3) { background: rgba(185,104,66,.3); }
body.workbench-recording .service-body { transform: none; }
body.workbench-recording .service-body small { color: #9a633d; }
body.workbench-recording .service-body h3 { color: var(--workbench-ink); }
body.workbench-recording .service-body p { color: var(--workbench-muted); }
body.workbench-recording .entry-link { color: var(--workbench-structure); }

body.workbench-recording .entry-link i {
  color: #fffdfc;
  background: #b96842;
}

body.workbench-recording .notice {
  color: var(--workbench-muted);
  background: rgba(255,253,252,.7);
  box-shadow: inset 0 0 0 1px var(--workbench-line);
}

@keyframes workbench-wave {
  from { transform: scaleX(.72); opacity: .54; }
  to { transform: scaleX(1.08); opacity: .92; }
}

@media (max-width: 980px) {
  body.workbench-home .hero {
    min-height: auto;
    padding-top: 34px;
  }

  body.workbench-home .entry-card {
    height: auto;
    min-height: 304px;
  }

  body.workbench-catalog .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body.workbench-courseware .grid,
  body.workbench-recording .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body.workbench-recording .hero .hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 720px) {
  body.workbench-page::before { opacity: .22; }

  body.workbench-page .workbench-canvas { opacity: .56; }

  body.workbench-home .topbar {
    width: 100%;
    padding: 13px 14px;
  }

  body.workbench-home .hero {
    width: calc(100% - 28px);
    padding: 34px 0 30px;
  }

  body.workbench-home h1 {
    font-size: clamp(48px, 16vw, 64px);
  }

  body.workbench-home .entry-grid {
    gap: 16px;
  }

  body.workbench-home .entry-card {
    min-height: 296px;
    border-radius: var(--workbench-radius-md);
  }

  body.workbench-home .entry-card:hover,
  body.workbench-home .entry-card:focus-visible,
  body.workbench-catalog .subject:hover,
  body.workbench-catalog .subject:focus-visible {
    transform: none;
  }

  body.workbench-home .entry-card[data-workbench-pressed="true"],
  body.workbench-catalog .subject[data-workbench-pressed="true"] {
    transform: translateY(1px) scale(.995);
  }

  body.workbench-catalog .links a {
    border-color: var(--workbench-line);
    color: var(--workbench-muted);
    background: rgba(255,253,252,.74);
  }

  body.workbench-catalog .wrap {
    width: calc(100% - 28px);
  }

  body.workbench-catalog .hero {
    padding: 40px 0 24px;
  }

  body.workbench-catalog .grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  body.workbench-catalog .subject {
    min-height: 286px;
    border-radius: var(--workbench-radius-md);
  }

  body.workbench-page > .topbar .nav {
    width: 100%;
    min-height: auto;
    padding: 13px 14px 10px;
  }

  body.workbench-page > .topbar .brand-copy strong { font-size: 15px; }
  body.workbench-page > .topbar .brand-copy .roman { font-size: 9px; }

  body.workbench-page > .topbar .links a {
    border-color: var(--workbench-line);
    color: var(--workbench-muted);
    background: rgba(255,253,252,.74);
  }

  body.workbench-courseware .hero,
  body.workbench-recording .hero {
    padding: 18px 0 18px;
  }

  body.workbench-courseware .hero .wrap,
  body.workbench-recording .hero .hero-grid {
    width: calc(100% - 28px);
    border-radius: var(--workbench-radius-md);
    padding: 30px 24px;
  }

  body.workbench-courseware h1,
  body.workbench-recording h1 {
    font-size: 42px;
  }

  body.workbench-courseware main > .wrap,
  body.workbench-recording .wrap {
    width: calc(100% - 28px);
  }

  body.workbench-courseware .grid,
  body.workbench-recording .service-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  body.workbench-courseware .subject,
  body.workbench-recording .service-card {
    border-radius: var(--workbench-radius-md);
    transform: none !important;
  }

  body.workbench-recording .summary { transform: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  body.workbench-page *,
  body.workbench-page *::before,
  body.workbench-page *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }

  body.workbench-page .workbench-reveal,
  body.workbench-page .workbench-reveal.workbench-revealed {
    opacity: 1 !important;
    transform: none !important;
  }

  body.workbench-page :where(.entry-card, .subject, .summary, .service-card, .mini-resource, .mini-slide, .subject-image-cover img, .entry-action i, .arrow, .entry-link i) {
    transform: none !important;
  }

  body.workbench-page .workbench-canvas {
    opacity: .4;
  }
}