#themeLibraryView {
  --chain-ink: #1f2726;
  --chain-ink-soft: #37413f;
  --chain-muted: #777f7c;
  --chain-line: #ddd9d1;
  --chain-paper: #f4f1ea;
  --chain-surface: #fbfaf6;
  --chain-white: #fffefb;
  --chain-copper: #a75f32;
  --chain-copper-deep: #7e4325;
  --chain-gold: #c89632;
  --chain-success: #496e5d;
  --chain-shadow: 0 24px 70px rgb(64 49 33 / 10%);
  color: var(--chain-ink);
  font-family: "Segoe UI Variable", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-variant-numeric: tabular-nums;
}

#themeLibraryView .chain-insight-panel {
  position: relative;
  display: grid;
  gap: 1.1rem;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgb(137 119 93 / 18%);
  padding: clamp(1rem, 2.4vw, 2.25rem);
  background:
    radial-gradient(circle at 90% 4%, rgb(190 129 72 / 13%), transparent 26rem),
    linear-gradient(110deg, rgb(255 255 255 / 76%), transparent 44%),
    var(--chain-paper);
  box-shadow: var(--chain-shadow);
  isolation: isolate;
}

#themeLibraryView .chain-insight-panel::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: .17;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
  content: "";
  pointer-events: none;
}

#themeLibraryView button,
#themeLibraryView input {
  font: inherit;
}

#themeLibraryView button {
  transition: transform .24s ease, border-color .24s ease, background-color .24s ease, color .24s ease, box-shadow .24s ease;
}

#themeLibraryView button:active {
  transform: translateY(1px) scale(.995);
}

#themeLibraryView button:focus-visible,
#themeLibraryView input:focus-visible {
  outline: 3px solid rgb(167 95 50 / 24%);
  outline-offset: 3px;
}

.chain-icon {
  display: inline-block;
  width: 1.15rem;
  height: 1.15rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
  vertical-align: middle;
}

.chain-terminal-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(22rem, .8fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
  border-top: 3px solid var(--chain-ink);
  padding: clamp(1.25rem, 3vw, 2.4rem) 0 .5rem;
}

.chain-terminal-brand {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.chain-terminal-mark {
  display: grid;
  width: 3.15rem;
  height: 3.15rem;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgb(167 95 50 / 30%);
  color: var(--chain-copper);
  background: rgb(255 254 251 / 72%);
  box-shadow: inset 0 0 0 5px rgb(167 95 50 / 5%);
}

.chain-terminal-mark .chain-icon {
  width: 1.6rem;
  height: 1.6rem;
}

.chain-terminal-brand p,
.chain-overview-intro > p,
.chain-library-section > header p,
.chain-thesis > div > p,
.chain-insight-path article p {
  margin: 0;
  color: var(--chain-copper-deep);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
}

.chain-terminal-brand h2 {
  margin: .18rem 0 0;
  color: var(--chain-ink);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 760;
  letter-spacing: -.055em;
  line-height: 1.05;
  text-wrap: balance;
}

.chain-terminal-brand > div > span {
  display: block;
  max-width: 42rem;
  margin-top: .65rem;
  color: var(--chain-muted);
  font-size: .84rem;
  line-height: 1.7;
}

.chain-terminal-search {
  display: grid;
  gap: .5rem;
}

.chain-terminal-search > label {
  color: var(--chain-ink-soft);
  font-size: .74rem;
  font-weight: 650;
}

.chain-terminal-search > div {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  border: 1px solid #c9c2b7;
  background: rgb(255 254 251 / 88%);
  box-shadow: 0 8px 24px rgb(75 59 40 / 6%);
}

.chain-terminal-search > div > span {
  display: grid;
  padding-left: .9rem;
  color: var(--chain-muted);
}

.chain-terminal-search input {
  width: 100%;
  min-width: 0;
  height: 3rem;
  border: 0;
  padding: 0 .7rem;
  color: var(--chain-ink);
  background: transparent;
  outline: 0;
}

.chain-terminal-search button {
  align-self: stretch;
  border: 0;
  padding: 0 1.15rem;
  color: #fff;
  background: var(--chain-ink);
  font-size: .78rem;
  font-weight: 700;
}

.chain-terminal-search button:hover {
  background: var(--chain-copper-deep);
}

.chain-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(25rem, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  min-height: 18rem;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 9%);
  padding: clamp(2rem, 5vw, 4.5rem);
  color: #f4f2eb;
  background:
    radial-gradient(circle at 78% 18%, rgb(198 137 78 / 26%), transparent 24rem),
    repeating-linear-gradient(90deg, transparent 0 7.4rem, rgb(255 255 255 / 3%) 7.4rem calc(7.4rem + 1px)),
    #202725;
  box-shadow: 0 22px 52px rgb(46 38 28 / 16%);
  animation: chain-rise .55s cubic-bezier(.2, .8, .2, 1) both;
}

.chain-overview-intro > p {
  color: #d89d70;
}

.chain-overview-intro h1 {
  max-width: 46rem;
  margin: .6rem 0 1rem;
  color: #fffef8;
  font-size: clamp(2rem, 4.2vw, 4.4rem);
  font-weight: 720;
  letter-spacing: -.065em;
  line-height: 1.08;
  text-wrap: balance;
}

.chain-overview-intro > span {
  display: block;
  max-width: 44rem;
  color: #aeb8b4;
  font-size: .86rem;
  line-height: 1.8;
}

.chain-overview dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid rgb(255 255 255 / 18%);
  border-left: 1px solid rgb(255 255 255 / 18%);
}

.chain-overview dl div {
  min-width: 0;
  border-right: 1px solid rgb(255 255 255 / 18%);
  border-bottom: 1px solid rgb(255 255 255 / 18%);
  padding: 1.1rem;
  background: rgb(255 255 255 / 3%);
}

.chain-overview dt {
  display: flex;
  gap: .45rem;
  align-items: center;
  color: #aab5b1;
  font-size: .72rem;
}

.chain-overview dd {
  margin: .45rem 0 0;
  color: #f7f0e4;
  font-family: ui-monospace, "Cascadia Mono", monospace;
  font-size: clamp(1.45rem, 2vw, 2.2rem);
  font-weight: 650;
}

.chain-terminal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
  align-items: center;
  border-bottom: 1px solid var(--chain-line);
  padding: .2rem 0 1rem;
  color: var(--chain-muted);
  font-size: .72rem;
}

.chain-terminal-meta span {
  position: relative;
}

.chain-terminal-meta span + span::before {
  position: absolute;
  top: .28rem;
  left: -.72rem;
  width: .2rem;
  height: .2rem;
  border-radius: 50%;
  background: var(--chain-copper);
  content: "";
}

.chain-library-section {
  display: grid;
  gap: 1rem;
  padding-top: clamp(1.2rem, 3vw, 2.6rem);
}

.chain-library-section > header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
}

.chain-library-section > header h2 {
  margin: .3rem 0 0;
  color: var(--chain-ink);
  font-size: clamp(1.4rem, 2.2vw, 2.15rem);
  letter-spacing: -.035em;
}

.chain-library-section > header > span {
  color: var(--chain-muted);
  font-size: .76rem;
}

#themeLibraryView .chain-theme-index {
  display: grid;
  grid-auto-flow: dense;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--chain-line);
  background: var(--chain-line);
}

#themeLibraryView .chain-theme-card {
  min-height: 0;
  border: 0;
  border-radius: 0;
  background: var(--chain-white);
  box-shadow: none;
  animation: chain-rise .45s both;
}

#themeLibraryView .chain-theme-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.chain-theme-card:nth-child(2) { animation-delay: .05s; }
.chain-theme-card:nth-child(3) { animation-delay: .1s; }
.chain-theme-card:nth-child(4) { animation-delay: .15s; }

#themeLibraryView .chain-theme-card::before {
  display: none;
}

.chain-theme-card-link {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1rem;
  width: 100%;
  min-height: 18.5rem;
  overflow: hidden;
  border: 0;
  padding: clamp(1.2rem, 2.6vw, 2rem);
  color: var(--chain-ink);
  background: transparent;
  text-align: left;
}

.chain-theme-card-link::after {
  position: absolute;
  right: -3rem;
  bottom: -4rem;
  width: 11rem;
  height: 11rem;
  border: 1px solid rgb(167 95 50 / 13%);
  border-radius: 50%;
  box-shadow: inset 0 0 0 2rem rgb(167 95 50 / 3%), inset 0 0 0 4rem rgb(167 95 50 / 3%);
  content: "";
  transition: transform .6s ease;
}

.chain-theme-card-link:hover {
  z-index: 1;
  background: #fffdf8;
  box-shadow: inset 0 3px 0 var(--chain-copper), 0 18px 50px rgb(80 61 38 / 11%);
  transform: translateY(-2px);
}

.chain-theme-card-link:hover::after {
  transform: scale(1.12) rotate(8deg);
}

.chain-theme-card-icon,
.chain-stage-lane > header > span,
.chain-node-icon {
  display: grid;
  place-items: center;
  color: var(--chain-copper);
  background: #f1e8dc;
}

.chain-theme-card-icon {
  width: 2.65rem;
  height: 2.65rem;
}

.chain-theme-card-icon .chain-icon {
  width: 1.35rem;
  height: 1.35rem;
}

.chain-theme-card-arrow {
  position: relative;
  z-index: 1;
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  color: var(--chain-ink-soft);
}

.chain-theme-card-copy {
  display: grid;
  align-content: start;
}

.chain-theme-card-copy small {
  color: var(--chain-copper-deep);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
}

.chain-theme-card-copy > strong {
  margin-top: .45rem;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 720;
  letter-spacing: -.035em;
}

.chain-theme-card-copy p {
  display: -webkit-box;
  max-width: 44rem;
  margin: .75rem 0 0;
  overflow: hidden;
  color: var(--chain-muted);
  font-size: .8rem;
  line-height: 1.75;
  text-wrap: pretty;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.chain-theme-card-stages {
  display: grid;
  grid-column: 2 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .5rem;
  align-self: end;
}

.chain-theme-card-stages > span {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .4rem;
  align-items: center;
  border-top: 1px solid var(--chain-line);
  padding-top: .65rem;
}

.chain-theme-card-stages i {
  display: grid;
  color: var(--chain-copper);
}

.chain-theme-card-stages em {
  overflow: hidden;
  color: var(--chain-muted);
  font-size: .68rem;
  font-style: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chain-theme-card-stages strong {
  font-family: ui-monospace, monospace;
  font-size: .74rem;
}

.chain-theme-card-meta {
  display: flex;
  grid-column: 2 / -1;
  flex-wrap: wrap;
  gap: .55rem 1rem;
  color: var(--chain-ink-soft);
  font-size: .69rem;
}

.chain-theme-card-meta > span {
  display: flex;
  gap: .35rem;
  align-items: center;
}

.chain-theme-card-meta .chain-icon {
  width: .95rem;
  height: .95rem;
  color: var(--chain-copper);
}

.chain-theme-skeleton {
  display: grid;
  gap: 1rem;
  min-height: 18.5rem;
  padding: 2rem;
  background: var(--chain-white);
}

.chain-theme-skeleton > * {
  display: block;
  border-radius: .2rem;
  background: linear-gradient(90deg, #ece8e0 25%, #f7f4ee 50%, #ece8e0 75%);
  background-size: 200% 100%;
  animation: chain-shimmer 1.4s infinite;
}

.chain-theme-skeleton i { width: 2.7rem; height: 2.7rem; }
.chain-theme-skeleton strong { width: 46%; height: 1.8rem; }
.chain-theme-skeleton span { width: 100%; height: 3.5rem; }
.chain-theme-skeleton span:last-child { align-self: end; height: 2.4rem; }

.chain-detail-topline {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem 1rem;
  align-items: center;
  color: var(--chain-muted);
  font-size: .72rem;
}

.chain-detail-topline button {
  min-height: 2.3rem;
  border: 1px solid var(--chain-line);
  padding: 0 .85rem;
  color: var(--chain-ink);
  background: var(--chain-white);
  font-weight: 650;
}

.chain-detail-topline button:hover {
  border-color: var(--chain-copper);
  color: var(--chain-copper-deep);
}

.chain-detail-topline span:first-of-type {
  margin-left: auto;
}

.chain-thesis {
  display: grid;
  grid-template-columns: minmax(15rem, .8fr) minmax(18rem, 1.2fr) minmax(22rem, .9fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  border: 1px solid var(--chain-line);
  border-top: 4px solid var(--chain-copper);
  padding: clamp(1.5rem, 3vw, 2.8rem);
  background: rgb(255 254 251 / 88%);
  box-shadow: 0 16px 44px rgb(74 57 37 / 7%);
}

.chain-thesis h1 {
  max-width: 34rem;
  margin: .35rem 0 0;
  color: var(--chain-ink);
  font-size: clamp(2rem, 4vw, 4rem);
  letter-spacing: -.065em;
  line-height: 1.05;
  text-wrap: balance;
}

.chain-thesis > div > strong {
  display: block;
  margin-top: .8rem;
  color: var(--chain-copper-deep);
  font-size: .78rem;
  line-height: 1.65;
}

.chain-thesis > p {
  margin: 0;
  color: var(--chain-ink-soft);
  font-size: .84rem;
  line-height: 1.9;
  text-wrap: pretty;
}

.chain-thesis dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  border-left: 1px solid var(--chain-line);
}

.chain-thesis dl div {
  padding-left: 1rem;
}

.chain-thesis dt {
  display: flex;
  gap: .35rem;
  align-items: center;
  color: var(--chain-muted);
  font-size: .68rem;
}

.chain-thesis dd {
  margin: .45rem 0 0;
  font-family: ui-monospace, monospace;
  font-size: clamp(1.2rem, 2vw, 1.85rem);
  font-weight: 650;
}

.chain-insight-path {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  gap: .75rem;
  align-items: stretch;
  padding: .65rem 0;
}

.chain-insight-path article {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .9rem;
  align-items: start;
  border-bottom: 1px solid var(--chain-line);
  padding: 1rem 0 1.1rem;
}

.chain-insight-path article > span {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  color: var(--chain-copper);
  background: #eadfce;
}

.chain-insight-path article h2 {
  margin: .25rem 0 0;
  color: var(--chain-ink);
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  letter-spacing: -.025em;
  line-height: 1.35;
}

.chain-insight-path article small {
  display: block;
  margin-top: .45rem;
  color: var(--chain-muted);
  font-size: .72rem;
  line-height: 1.65;
}

.chain-insight-path > i {
  display: grid;
  align-self: center;
  color: var(--chain-copper);
}

.chain-view-switch {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  border-bottom: 1px solid var(--chain-line);
  color: var(--chain-muted);
  font-size: .72rem;
}

.chain-view-switch > div {
  display: flex;
}

.chain-view-switch button {
  display: flex;
  gap: .45rem;
  align-items: center;
  border: 0;
  border-bottom: 3px solid transparent;
  padding: .75rem 1rem;
  color: var(--chain-muted);
  background: transparent;
  font-size: .76rem;
  font-weight: 700;
}

.chain-view-switch button.active {
  border-color: var(--chain-copper);
  color: var(--chain-ink);
}

.chain-transmission-rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding-top: 2.1rem;
}

.chain-transmission-rail::before {
  position: absolute;
  top: .8rem;
  right: 7%;
  left: 7%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--chain-copper) 14% 86%, transparent);
  content: "";
}

.chain-transmission-rail::after {
  position: absolute;
  top: .32rem;
  right: 6.5%;
  width: .65rem;
  height: .65rem;
  border-top: 1px solid var(--chain-copper);
  border-right: 1px solid var(--chain-copper);
  content: "";
  transform: rotate(45deg);
}

.chain-stage-lane {
  min-width: 0;
  border: 1px solid var(--chain-line);
  background: rgb(255 254 251 / 72%);
}

.chain-stage-lane > header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .75rem;
  align-items: center;
  border-bottom: 1px solid var(--chain-line);
  padding: 1rem;
  background: #ebe6dc;
}

.chain-stage-lane > header > span {
  width: 2.35rem;
  height: 2.35rem;
}

.chain-stage-lane header p,
.chain-stage-lane header h3 {
  margin: 0;
}

.chain-stage-lane header p {
  color: var(--chain-copper-deep);
  font-size: .64rem;
  font-weight: 700;
}

.chain-stage-lane header h3 {
  margin-top: .18rem;
  color: var(--chain-ink);
  font-size: .9rem;
}

.chain-stage-lane header em {
  color: var(--chain-muted);
  font-size: .66rem;
  font-style: normal;
}

.chain-stage-nodes {
  display: grid;
  gap: 1px;
  padding: 1px;
  background: var(--chain-line);
}

.chain-stage-nodes > button {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .75rem;
  align-items: start;
  width: 100%;
  border: 0;
  border-left: 3px solid transparent;
  padding: 1rem;
  color: var(--chain-ink);
  background: var(--chain-white);
  text-align: left;
}

.chain-stage-nodes > button:hover,
.chain-stage-nodes > button:focus-visible {
  z-index: 1;
  border-left-color: var(--chain-copper);
  background: #fffaf2;
  box-shadow: 0 8px 24px rgb(77 58 36 / 10%);
  transform: translateX(2px);
}

.chain-node-icon {
  width: 2rem;
  height: 2rem;
}

.chain-node-copy {
  display: grid;
  gap: .3rem;
}

.chain-node-copy strong {
  font-size: .82rem;
}

.chain-node-copy p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--chain-muted);
  font-size: .7rem;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.chain-node-copy em {
  color: var(--chain-copper-deep);
  font-size: .65rem;
  font-style: normal;
}

.chain-stage-nodes > button > i {
  color: var(--chain-muted);
}

.chain-stage-nodes .chain-locked-nodes {
  display: grid;
  grid-template-columns: 1fr;
  gap: .25rem;
  border-left: 0;
  color: var(--chain-ink-soft);
  background: #f2eee6;
  text-align: center;
}

.chain-stage-nodes .chain-locked-nodes span {
  color: var(--chain-muted);
  font-size: .67rem;
}

.chain-register-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  border: 1px solid #cfa277;
  padding: 1rem 1.25rem;
  color: var(--chain-ink);
  background: #f5e9da;
  text-align: left;
}

.chain-register-band span {
  color: var(--chain-muted);
  font-size: .72rem;
}

.chain-register-band strong {
  color: var(--chain-copper-deep);
  font-size: .8rem;
}

.chain-relationship-canvas {
  position: relative;
  min-width: 0;
  overflow-x: auto;
  border: 1px solid var(--chain-line);
  background-color: #f8f5ef;
  background-image: linear-gradient(rgb(96 83 64 / 6%) 1px, transparent 1px), linear-gradient(90deg, rgb(96 83 64 / 6%) 1px, transparent 1px);
  background-size: 1.5rem 1.5rem;
}

.chain-relationship-canvas svg {
  display: block;
  width: 100%;
  min-width: 56rem;
  height: auto;
}

.chain-relations path {
  fill: none;
  stroke: #948b7d;
  stroke-width: 1.4;
  marker-end: url(#chainArrow);
  transition: opacity .18s ease, stroke .18s ease, stroke-width .18s ease;
}

.chain-relations marker path { fill: #948b7d; }
.chain-relations path.relation-active { stroke: var(--chain-copper); stroke-width: 2.5; }
.chain-svg-stage { fill: var(--chain-copper-deep); font-size: .75rem; font-weight: 700; letter-spacing: .05em; }
.chain-svg-node { cursor: pointer; transition: opacity .18s ease; }
.chain-svg-node rect { fill: #fffefb; stroke: #b8b0a4; }
.chain-svg-node text { fill: var(--chain-ink); font-size: .75rem; font-weight: 700; pointer-events: none; }
.chain-svg-node text.sub { fill: var(--chain-muted); font-size: .58rem; font-weight: 500; }
.chain-svg-node:hover rect, .chain-svg-node:focus rect { stroke: var(--chain-copper); stroke-width: 2; }
.relation-muted { opacity: .24; }
.chain-relationship-canvas.locked svg { filter: grayscale(.35); pointer-events: none; }

.chain-graph-lock {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  gap: .35rem;
  width: min(22rem, 82%);
  border: 1px solid #bd8e63;
  padding: 1rem;
  color: var(--chain-ink);
  background: rgb(255 250 242 / 95%);
  box-shadow: 0 1rem 3rem rgb(55 43 29 / 18%);
  text-align: left;
  transform: translate(-50%, -50%);
}

.chain-graph-lock span {
  color: var(--chain-muted);
  font-size: .7rem;
}

.chain-node-drawer {
  position: fixed;
  z-index: 30;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(30rem, 94vw);
  overflow-y: auto;
  border-left: 1px solid #b9b0a2;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: #fffdf8;
  box-shadow: -1rem 0 4rem rgb(51 41 28 / 20%);
  animation: chain-drawer-in .28s ease both;
}

.chain-drawer-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  border: 0;
  color: var(--chain-muted);
  background: transparent;
  font-size: 1.6rem;
}

.chain-drawer-kicker {
  display: flex;
  gap: .45rem;
  align-items: center;
  color: var(--chain-copper-deep);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
}

.chain-node-drawer h3 {
  margin: .65rem 0 0;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  letter-spacing: -.04em;
}

.chain-node-drawer > p {
  color: var(--chain-ink-soft);
  font-size: .82rem;
  line-height: 1.85;
}

.chain-node-drawer dl {
  display: grid;
  gap: .55rem;
  margin: 1.3rem 0;
}

.chain-node-drawer dl div {
  border-left: 3px solid #d8c6b2;
  padding: .65rem .8rem;
  background: #f6f1e8;
}

.chain-node-drawer dt { color: var(--chain-muted); font-size: .66rem; }
.chain-node-drawer dd { margin: .3rem 0 0; font-size: .76rem; line-height: 1.65; }
.chain-node-drawer h4 { border-bottom: 1px solid var(--chain-line); padding-bottom: .6rem; }

.chain-company-line {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .4rem .7rem;
  border-bottom: 1px solid var(--chain-line);
  padding: .75rem 0;
}

.chain-company-line em { color: var(--chain-copper-deep); font: normal .7rem/1.4 ui-monospace, monospace; }
.chain-company-line p { grid-column: 1 / -1; margin: 0; color: var(--chain-muted); font-size: .7rem; line-height: 1.65; }

.chain-company-lock {
  display: grid;
  gap: .35rem;
  width: 100%;
  border: 1px dashed #bd8e63;
  padding: 1rem;
  color: var(--chain-ink);
  background: #f7ecde;
  text-align: left;
}

.chain-company-lock span { color: var(--chain-muted); font-size: .7rem; }

.chain-terminal-empty,
.chain-terminal-loading {
  display: grid;
  grid-column: 1 / -1;
  gap: .55rem;
  min-height: 14rem;
  place-content: center;
  justify-items: center;
  padding: 2rem;
  color: var(--chain-muted);
  background: var(--chain-white);
  text-align: center;
}

.chain-terminal-empty > span {
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  color: var(--chain-copper);
  background: #f0e6d8;
}

.chain-terminal-empty strong { color: var(--chain-ink); font-size: 1rem; }
.chain-terminal-empty p { max-width: 30rem; margin: 0; font-size: .75rem; line-height: 1.7; }

#themeLibraryView .load-more-button {
  justify-self: center;
  min-height: 2.7rem;
  border: 1px solid var(--chain-ink);
  padding: 0 1.2rem;
  color: var(--chain-ink);
  background: transparent;
  font-weight: 700;
}

#themeLibraryView .load-more-button:hover {
  color: #fff;
  background: var(--chain-ink);
}

.chain-access-dialog .dialog-card { width: min(30rem, calc(100vw - 2rem)); }
.chain-access-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; margin-top: 1.25rem; }
.chain-access-actions button { min-height: 2.65rem; }

@keyframes chain-rise {
  from { opacity: 0; transform: translateY(.75rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes chain-drawer-in {
  from { opacity: 0; transform: translateX(2rem); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes chain-shimmer {
  to { background-position: -200% 0; }
}

@media (max-width: 1100px) {
  .chain-terminal-head,
  .chain-overview { grid-template-columns: 1fr; }
  .chain-overview { gap: 2rem; min-height: 0; }
  .chain-thesis { grid-template-columns: minmax(14rem, .8fr) minmax(0, 1.2fr); }
  .chain-thesis dl { grid-column: 1 / -1; border-top: 1px solid var(--chain-line); border-left: 0; padding-top: 1rem; }
  .chain-insight-path { grid-template-columns: 1fr; }
  .chain-insight-path > i { transform: rotate(90deg); }
}

@media (max-width: 820px) {
  #themeLibraryView .chain-theme-index { grid-template-columns: 1fr; }
  #themeLibraryView .chain-theme-card:last-child:nth-child(odd) { grid-column: auto; }
  .chain-transmission-rail { grid-template-columns: 1fr; gap: .75rem; padding-top: 0; }
  .chain-transmission-rail::before { top: 0; bottom: 0; left: 1rem; right: auto; width: 1px; height: auto; background: linear-gradient(transparent, var(--chain-copper) 8% 92%, transparent); }
  .chain-transmission-rail::after { display: none; }
  .chain-stage-lane { position: relative; margin-left: 2rem; }
  .chain-stage-lane::before { position: absolute; top: 1.7rem; left: -2rem; width: 2rem; height: 1px; background: var(--chain-copper); content: ""; }
}

@media (max-width: 720px) {
  #themeLibraryView .chain-insight-panel { padding: .75rem; }
  .chain-terminal-head { gap: 1.2rem; padding-top: 1rem; }
  .chain-terminal-mark { width: 2.6rem; height: 2.6rem; }
  .chain-terminal-brand h2 { font-size: 1.8rem; }
  .chain-terminal-search > div { grid-template-columns: auto minmax(0, 1fr); }
  .chain-terminal-search button { grid-column: 1 / -1; min-height: 2.5rem; }
  .chain-overview { padding: 1.5rem 1.1rem; }
  .chain-overview-intro h1 { font-size: clamp(2rem, 10vw, 3rem); }
  .chain-overview dl { grid-template-columns: 1fr 1fr; }
  .chain-overview dl div { padding: .8rem; }
  .chain-theme-card-link { min-height: 0; padding: 1.1rem; }
  .chain-theme-card-stages { grid-template-columns: 1fr; }
  .chain-thesis { grid-template-columns: 1fr; padding: 1.2rem; }
  .chain-thesis dl { grid-column: auto; grid-template-columns: 1fr 1fr 1fr; }
  .chain-thesis dl div { padding: .65rem; }
  .chain-thesis dt { display: block; }
  .chain-detail-topline span:first-of-type { margin-left: 0; }
  .chain-view-switch { align-items: flex-start; flex-direction: column; }
  .chain-view-switch > div { width: 100%; }
  .chain-view-switch button { flex: 1; justify-content: center; }
  .chain-register-band { align-items: flex-start; flex-direction: column; }
  .chain-node-drawer { top: auto; left: 0; width: 100%; max-height: 80vh; border-top: 1px solid #b9b0a2; border-left: 0; box-shadow: 0 -1rem 3rem rgb(51 41 28 / 20%); }
  .chain-access-actions { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  .chain-overview dl { grid-template-columns: 1fr; }
  .chain-theme-card-link { grid-template-columns: auto minmax(0, 1fr); }
  .chain-theme-card-arrow { display: none; }
  .chain-theme-card-stages,
  .chain-theme-card-meta { grid-column: 1 / -1; }
  .chain-thesis dl { grid-template-columns: 1fr; }
}

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

/* 2026-08-28: align the industry workspace with the main site and branch-based publishing contract. */
#themeLibraryView {
  background: transparent;
}

#themeLibraryView .chain-insight-panel {
  gap: 20px;
  overflow: visible;
  border: 0;
  padding: 0;
  background: transparent;
  box-shadow: none;
}

#themeLibraryView .chain-insight-panel::before {
  display: none;
}

#themeLibraryView .chain-title-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(22rem, .72fr);
  gap: 24px;
  align-items: center;
  margin: 0;
  color: var(--text);
  background: var(--panel);
}

#themeLibraryView .chain-title-card h2 {
  color: var(--text);
}

#themeLibraryView .chain-title-card .market-section-description {
  color: var(--blue-dark);
}

#themeLibraryView .chain-terminal-search > div,
#themeLibraryView .chain-theme-card,
#themeLibraryView .chain-stage-lane,
#themeLibraryView .chain-stage-nodes > button,
#themeLibraryView .chain-branch-overview article,
#themeLibraryView .chain-reviewed-report,
#themeLibraryView .chain-branch-summary {
  background: var(--panel);
}

#themeLibraryView .chain-overview,
#themeLibraryView .chain-topic-hero {
  height: 300px;
  min-height: 300px;
}

#themeLibraryView .chain-overview {
  align-items: center;
}

.chain-overview-intro h1 {
  margin-bottom: 0;
}

.chain-topic-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(25rem, .75fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 9%);
  padding: clamp(2rem, 4vw, 4rem);
  color: #f4f2eb;
  background: #202725;
  box-shadow: 0 16px 40px rgb(31 39 38 / 12%);
}

.chain-topic-hero p {
  margin: 0 0 .7rem;
  color: #d89d70;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .12em;
}

.chain-topic-hero h1 {
  max-width: 48rem;
  margin: 0;
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  letter-spacing: -.065em;
  line-height: 1.05;
}

.chain-topic-hero dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid rgb(255 255 255 / 18%);
  border-left: 1px solid rgb(255 255 255 / 18%);
}

.chain-topic-hero dl div {
  border-right: 1px solid rgb(255 255 255 / 18%);
  border-bottom: 1px solid rgb(255 255 255 / 18%);
  padding: 1rem;
}

.chain-topic-hero dt {
  display: flex;
  gap: .4rem;
  align-items: center;
  color: #aab5b1;
  font-size: .7rem;
}

.chain-topic-hero dd {
  margin: .35rem 0 0;
  color: #fff;
  font-family: ui-monospace, "Cascadia Mono", monospace;
  font-size: clamp(1.35rem, 2vw, 2rem);
}

.chain-branch-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  border-bottom: 1px solid var(--chain-line);
  padding: 0 2px;
  scrollbar-width: thin;
}

.chain-branch-tabs button {
  display: flex;
  flex: 0 0 auto;
  gap: .45rem;
  align-items: center;
  min-height: 46px;
  border: 1px solid var(--chain-line);
  border-bottom: 3px solid transparent;
  border-radius: 6px 6px 0 0;
  padding: 0 1rem;
  color: var(--chain-muted);
  background: var(--panel);
  font-weight: 750;
}

.chain-branch-tabs button:hover,
.chain-branch-tabs button.active {
  border-bottom-color: var(--chain-copper);
  color: var(--chain-ink);
  background: var(--panel-2);
}

.chain-branch-overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.chain-branch-overview article {
  overflow: hidden;
  border: 1px solid var(--chain-line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.chain-branch-overview article > header {
  display: flex;
  gap: .75rem;
  align-items: center;
  border-bottom: 1px solid var(--chain-line);
  padding: 1rem;
  background: var(--panel-2);
}

.chain-branch-overview article > header > span {
  display: grid;
  width: 2.35rem;
  height: 2.35rem;
  place-items: center;
  color: var(--chain-copper);
}

.chain-branch-overview header p,
.chain-branch-overview header h3 {
  margin: 0;
}

.chain-branch-overview header p {
  color: var(--chain-copper-deep);
  font-size: .7rem;
  font-weight: 750;
}

.chain-branch-overview header h3 {
  margin-top: .2rem;
  color: var(--chain-ink);
  font-size: .95rem;
}

.chain-branch-overview article > div {
  display: grid;
}

.chain-branch-overview article > div > button {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  border: 0;
  border-bottom: 1px solid var(--chain-line);
  padding: 1rem;
  color: var(--chain-ink);
  background: var(--panel);
  text-align: left;
}

.chain-branch-overview article > div > button:hover {
  color: var(--chain-copper-deep);
  background: var(--panel-2);
}

.chain-branch-empty {
  margin: 0;
  padding: 1rem;
  color: var(--chain-muted);
  font-size: .76rem;
  line-height: 1.6;
}

.chain-branch-summary {
  border: 1px solid var(--chain-line);
  border-radius: 8px;
  padding: 20px 24px;
  box-shadow: var(--shadow);
}

.chain-branch-summary p {
  margin: 0;
  color: var(--chain-copper-deep);
  font-size: .7rem;
  font-weight: 750;
}

.chain-branch-summary h2 {
  margin: .45rem 0 0;
  color: var(--chain-ink);
  font-size: 1.1rem;
  line-height: 1.7;
}

.chain-reviewed-report {
  border: 1px solid var(--chain-line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.chain-reviewed-report summary {
  cursor: pointer;
  padding: 1rem 1.25rem;
  color: var(--chain-ink);
  font-weight: 750;
}

.chain-reviewed-report > div {
  max-height: 34rem;
  overflow: auto;
  border-top: 1px solid var(--chain-line);
  padding: 1.25rem;
  color: var(--chain-ink-soft);
  font-size: .82rem;
  line-height: 1.8;
  white-space: pre-wrap;
}

[data-color-mode="dark"] #themeLibraryView .chain-title-card .market-section-description {
  color: #9ab7ff;
}

[data-color-mode="dark"] #themeLibraryView {
  --chain-ink-soft: #c5d0df;
  --chain-copper-deep: #e4b47f;
  --chain-white: var(--panel);
  --chain-surface: var(--panel-2);
}

[data-color-mode="dark"] #themeLibraryView .chain-terminal-search > label {
  color: #c5d0df;
}

[data-color-mode="dark"] #themeLibraryView .chain-terminal-search button {
  color: #fff;
  background: #2563eb;
}

[data-color-mode="dark"] #themeLibraryView .chain-terminal-search button:hover {
  background: #1d4ed8;
}

[data-color-mode="dark"] #themeLibraryView :where(
  .chain-title-card, .chain-terminal-search > div, .chain-theme-card,
  .chain-theme-card-link, .chain-stage-lane, .chain-stage-nodes > button,
  .chain-branch-tabs button, .chain-branch-overview article,
  .chain-branch-overview article > div > button, .chain-reviewed-report,
  .chain-branch-summary
) {
  border-color: var(--chain-line);
  color: var(--chain-ink);
  background: var(--panel);
}

[data-color-mode="dark"] #themeLibraryView :where(
  .chain-branch-tabs button.active, .chain-branch-tabs button:hover,
  .chain-branch-overview article > header,
  .chain-branch-overview article > div > button:hover
) {
  background: var(--panel-2);
}

@media (max-width: 900px) {
  #themeLibraryView .chain-title-card,
  .chain-topic-hero {
    grid-template-columns: 1fr;
  }

  .chain-branch-overview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  #themeLibraryView .chain-title-card {
    padding: 18px 16px;
  }

  #themeLibraryView .chain-overview,
  #themeLibraryView .chain-topic-hero {
    height: auto;
    min-height: 300px;
  }

  .chain-topic-hero {
    padding: 1.5rem 1.1rem;
  }

  .chain-topic-hero dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}