.tabs {
  min-width: 0;
}

.tab-list {
  display: flex;
  max-width: 100%;
  margin-bottom: 24px;
  padding: 6px;
  gap: 5px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-bg-deep);
  scrollbar-width: thin;
}

.tab-list [role="tab"] {
  min-width: max-content;
  min-height: 44px;
  padding: 0 17px;
  border: 1px solid var(--color-transparent);
  border-radius: var(--radius-small);
  color: var(--color-text-muted);
  background: var(--color-transparent);
  font-family: var(--font-mono);
  font-size: 12px;
}

.tab-list [role="tab"]:hover {
  color: var(--color-text);
  background: var(--color-bg-panel);
}

.tab-list [role="tab"][aria-selected="true"],
.tab-list [role="tab"].active {
  border-color: var(--color-accent-dark);
  color: var(--color-accent-soft);
  background: var(--color-bg-panel-2);
  box-shadow: inset 0 -2px 0 var(--color-accent);
}

[role="tabpanel"][hidden] {
  display: none;
}

.tab-panel {
  min-width: 0;
}

.toc {
  position: sticky;
  top: 12px;
  z-index: 15;
  display: flex;
  max-width: 100%;
  margin: 28px 0 42px;
  padding: 8px;
  gap: 6px;
  overflow-x: auto;
  border: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-success);
  background: var(--color-bg-deep);
  box-shadow: var(--shadow-panel);
  scrollbar-width: thin;
}

.toc a {
  display: inline-flex;
  min-width: max-content;
  min-height: 40px;
  padding: 0 13px;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  color: var(--color-text-muted);
  background: var(--color-bg-panel);
  font-size: 13px;
}

.toc a:hover {
  border-color: var(--color-success);
  color: var(--color-success-soft);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-metal-light);
  border-radius: var(--radius-small);
  background: var(--color-bg-panel);
}

.faq-item[open] {
  border-left-color: var(--color-accent);
  box-shadow: var(--shadow-panel);
}

.faq-item summary {
  position: relative;
  display: flex;
  min-height: 62px;
  padding: 17px 54px 17px 20px;
  align-items: center;
  color: var(--color-text);
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  position: absolute;
  right: 20px;
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  flex-shrink: 0;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-circle);
  content: "+";
  color: var(--color-success);
  font-family: var(--font-mono);
}

.faq-item[open] summary::after {
  content: "−";
  color: var(--color-accent-soft);
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--color-text-muted);
}

.faq-answer > :last-child {
  margin-bottom: 0;
}

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.term-card {
  position: relative;
  min-width: 0;
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-success);
  border-radius: var(--radius-small);
  background: linear-gradient(135deg, var(--color-bg-panel-2), var(--color-bg-panel));
  box-shadow: var(--shadow-panel);
}

.term-card::after {
  position: absolute;
  right: -18px;
  bottom: -24px;
  content: "TERM";
  color: var(--color-brick-highlight);
  font-family: var(--font-mono);
  font-size: 52px;
  font-weight: 800;
  pointer-events: none;
}

.term-code {
  display: inline-block;
  margin-bottom: 11px;
  color: var(--color-success-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.term-card h3 {
  position: relative;
  z-index: 1;
  margin-bottom: 9px;
  font-size: 21px;
}

.term-card p {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.client-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 220px;
  padding: 25px;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-top-color: var(--color-border-light);
  border-radius: var(--radius-small);
  background: linear-gradient(145deg, var(--color-bg-panel-2), var(--color-bg-panel));
  box-shadow: var(--shadow-panel);
}

.client-card.is-primary {
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-frame);
}

.client-card.is-archived {
  border-top-color: var(--color-error);
}

.client-head {
  display: flex;
  min-width: 0;
  margin-bottom: 16px;
  align-items: flex-start;
  gap: 14px;
}

.client-icon {
  width: 52px;
  height: 52px;
}

.client-title {
  min-width: 0;
}

.client-title h3 {
  margin-bottom: 4px;
  font-size: 21px;
}

.client-version:empty,
[data-cdnver]:empty {
  display: none;
}

.client-version {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.client-card p {
  flex-grow: 1;
}

.client-actions {
  display: flex;
  margin-top: 18px;
  flex-wrap: wrap;
  gap: 9px;
}

.badge-recommended,
.badge-first {
  border-color: var(--color-accent);
  color: var(--color-accent-soft);
}

.badge-recommended::before,
.badge-first::before {
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: var(--radius-circle);
  content: "";
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent-glow);
}

.badge-maintained {
  border-color: var(--color-success);
  color: var(--color-success-soft);
}

.badge-archived {
  border-color: var(--color-error);
  color: var(--color-error);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.post-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 300px;
  padding: 25px;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-bg-panel);
  box-shadow: var(--shadow-panel);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.post-card::before {
  width: 42px;
  height: 3px;
  margin-bottom: 22px;
  content: "";
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent-glow);
}

.post-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-4px);
}

.post-meta {
  display: flex;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 11px;
}

.post-card h3 {
  font-size: 21px;
  line-height: 1.45;
}

.post-card p {
  flex-grow: 1;
}

.post-link {
  margin-top: 18px;
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

.callout {
  position: relative;
  margin: 26px 0;
  padding: 21px 24px 21px 50px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-success);
  border-radius: var(--radius-small);
  color: var(--color-text-muted);
  background: var(--color-bg-panel-2);
  box-shadow: var(--shadow-panel);
}

.callout::before {
  position: absolute;
  top: 22px;
  left: 19px;
  width: 11px;
  height: 11px;
  border-radius: var(--radius-circle);
  content: "";
  background: var(--color-success);
  box-shadow: 0 0 11px var(--color-success-glow);
}

.callout-warning {
  border-left-color: var(--color-warn);
}

.callout-warning::before {
  background: var(--color-warn);
  box-shadow: 0 0 11px var(--color-warn-glow);
}

.callout-error {
  border-left-color: var(--color-error);
}

.callout-error::before {
  background: var(--color-error);
  box-shadow: none;
}

.callout-title {
  display: block;
  margin-bottom: 7px;
  color: var(--color-text);
  font-family: var(--font-display);
}

.dl-fab {
  position: fixed;
  right: 28px;
  bottom: 26px;
  z-index: 80;
  display: grid;
  width: 118px;
  height: 118px;
  padding: 17px 12px 12px;
  place-items: center;
  align-content: center;
  border: 3px solid var(--color-warn-soft);
  border-radius: var(--radius-circle);
  color: var(--color-bg-deep);
  background: var(--color-warn);
  box-shadow: 0 0 0 8px var(--color-bg-deep), 0 0 0 10px var(--color-border-light), var(--shadow-warn);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 850;
  line-height: 1.2;
  text-align: center;
  transition: transform var(--transition-fast);
}

.dl-fab:hover {
  transform: translateY(-4px) rotate(-2deg);
}

.dl-fab-icon {
  position: relative;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border: 3px solid var(--color-bg-deep);
  border-top-color: var(--color-transparent);
  border-radius: var(--radius-circle);
}

.dl-fab-icon::after {
  position: absolute;
  right: 5px;
  bottom: 1px;
  width: 7px;
  height: 7px;
  border-right: 3px solid var(--color-bg-deep);
  border-bottom: 3px solid var(--color-bg-deep);
  content: "";
  transform: rotate(45deg);
}

.download-cta {
  display: grid;
  margin: 56px 0 34px;
  padding: clamp(24px, 5vw, 42px);
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  border: 1px solid var(--color-border-light);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-small);
  background: linear-gradient(100deg, var(--color-bg-panel), var(--color-bg-panel-2));
  box-shadow: var(--shadow-frame);
}

.download-cta h2,
.download-cta h3 {
  margin-bottom: 10px;
}

.download-cta p {
  margin-bottom: 0;
}

.hero-preview {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  overflow: hidden;
}

.hero-stage {
  position: relative;
  width: 100%;
  max-width: calc(var(--content-width) + var(--gutter) * 2);
  height: calc(100vh - var(--header-height));
  min-height: 796px;
  max-height: 828px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.hanger {
  position: absolute;
  top: 0;
  z-index: 1;
  width: 7px;
  height: 44px;
  border-right: 1px solid var(--color-metal-light);
  border-left: 1px solid var(--color-metal-dark);
  background: var(--color-metal);
  box-shadow: 4px 0 10px var(--color-wall-shadow);
}

.hanger-left {
  left: 20%;
}

.hanger-right {
  right: 20%;
}

.hero-sign {
  position: absolute;
  top: 38px;
  left: 9%;
  z-index: 4;
  width: 82%;
  height: 332px;
  padding: 18px;
  border: 3px solid var(--color-metal-light);
  border-radius: var(--radius-zero);
  background: var(--color-metal-dark);
  box-shadow: var(--shadow-frame);
}

.hero-sign::before {
  position: absolute;
  inset: 7px;
  content: "";
  pointer-events: none;
  border: 1px solid var(--color-border);
  box-shadow: inset 0 0 0 4px var(--color-bg-deep), inset 0 0 55px var(--color-accent-glow-soft);
}

.hero-sign::after {
  position: absolute;
  right: 28px;
  bottom: -8px;
  left: 28px;
  height: 8px;
  content: "";
  background: var(--color-black);
  box-shadow: 0 12px 20px var(--color-wall-shadow);
}

.sign-bolt {
  position: absolute;
  z-index: 5;
  width: 9px;
  height: 9px;
  border: 1px solid var(--color-metal-dark);
  border-radius: var(--radius-circle);
  background: var(--color-bolt);
}

.bolt-tl {
  top: 10px;
  left: 10px;
}

.bolt-tr {
  top: 10px;
  right: 10px;
}

.bolt-bl {
  bottom: 10px;
  left: 10px;
}

.bolt-br {
  right: 10px;
  bottom: 10px;
}

.sign-plate {
  position: relative;
  z-index: 3;
  display: flex;
  height: 100%;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-bg-panel-2);
  background: linear-gradient(90deg, var(--color-transparent), var(--color-accent-glow-soft), var(--color-transparent)), linear-gradient(180deg, var(--color-bg-panel), var(--color-bg-deep));
}

.sign-code {
  position: absolute;
  top: 15px;
  left: 20px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.sign-code::before {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: var(--radius-circle);
  content: "";
  background: var(--color-success);
  box-shadow: 0 0 11px var(--color-success-glow);
}

.hero-title {
  position: relative;
  z-index: 2;
  margin: 2px 0 0;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.08;
}

.neon-title {
  position: relative;
  display: block;
  color: var(--color-accent-soft);
  font-size: clamp(68px, 6.35vw, 92px);
  letter-spacing: 0.045em;
  white-space: nowrap;
  -webkit-text-stroke: 2px var(--color-accent);
  text-shadow: 0 0 2px var(--color-text), 0 0 7px var(--color-accent), 0 0 18px var(--color-accent-glow), 0 0 42px var(--color-accent-glow);
  animation: neon-breathe var(--transition-slow) infinite;
}

.neon-title::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: attr(data-text);
  color: var(--color-accent-dark);
  transform: translate(5px, 7px);
  filter: blur(1px);
  opacity: 0.75;
}

.keyword-line {
  display: block;
  margin-top: 18px;
  color: var(--color-text);
  font-size: 23px;
  font-weight: 650;
  letter-spacing: 0.22em;
  text-shadow: 0 2px 12px var(--color-black);
}

.keyword-line em {
  color: var(--color-success-soft);
  font-style: normal;
}

.sign-status {
  position: absolute;
  right: 20px;
  bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.status-lamp {
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: var(--radius-circle);
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent-glow);
}

.routing-device {
  position: absolute;
  top: 348px;
  left: 0;
  z-index: 3;
  width: 100%;
  height: 235px;
}

.routing-wires {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  color: var(--color-success);
  filter: drop-shadow(0 0 6px var(--color-success-glow));
}

.wire-shadow {
  stroke: var(--color-bg-deep);
  stroke-width: 9;
  fill: none;
}

.wire-main {
  stroke: currentColor;
  stroke-width: 3;
  fill: none;
}

.wire-highlight {
  stroke: var(--color-success-soft);
  stroke-width: 1;
  fill: none;
}

.junction-box {
  position: absolute;
  top: 34px;
  left: 50%;
  display: grid;
  width: 126px;
  height: 78px;
  place-items: center;
  border: 3px solid var(--color-metal-light);
  background: linear-gradient(145deg, var(--color-metal), var(--color-metal-dark));
  box-shadow: 0 13px 24px var(--color-panel-shadow);
  transform: translateX(-50%);
}

.junction-label {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 25px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.junction-label small {
  display: block;
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
}

.route-box {
  position: absolute;
  top: 150px;
  display: flex;
  width: 196px;
  height: 72px;
  padding: 0 15px;
  align-items: center;
  justify-content: space-between;
  border: 2px solid var(--color-border-light);
  background: linear-gradient(180deg, var(--color-bg-panel-2), var(--color-bg-panel));
  box-shadow: 0 12px 22px var(--color-panel-shadow), inset 0 0 18px var(--color-success-glow-soft);
}

.route-box::before {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  border-radius: var(--radius-circle);
  content: "";
  background: var(--color-success);
  box-shadow: 0 0 12px var(--color-success-glow);
}

.route-direct {
  left: 13%;
}

.route-proxy {
  left: 50%;
  transform: translateX(-50%);
}

.route-reject {
  right: 13%;
}

.route-copy {
  text-align: right;
}

.route-copy strong {
  display: block;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.12em;
}

.route-copy code {
  display: block;
  margin-top: 4px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.hero-console {
  position: absolute;
  top: 586px;
  left: 9%;
  z-index: 5;
  display: grid;
  width: 82%;
  min-height: 172px;
  padding: 24px 162px 24px 30px;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 34px;
  align-items: center;
  border-top: 1px solid var(--color-border-light);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  background: linear-gradient(90deg, var(--color-bg-panel), var(--color-bg-panel-2));
  box-shadow: var(--shadow-panel);
}

.console-label {
  display: flex;
  margin-bottom: 10px;
  align-items: center;
  gap: 10px;
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.console-label::before {
  width: 22px;
  height: 2px;
  flex-shrink: 0;
  content: "";
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent-glow);
}

.hero-description {
  max-width: 680px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 15px;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.swatch {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-panel);
}

.swatch-color {
  height: 88px;
  border-bottom: 1px solid var(--color-border);
}

.swatch-copy {
  padding: 13px;
}

.swatch-copy strong,
.swatch-copy code {
  display: block;
  overflow-wrap: anywhere;
}

.swatch-copy code {
  margin-top: 4px;
  color: var(--color-text-muted);
  font-size: 10px;
}

.swatch-bg .swatch-color {
  background: var(--color-bg);
}

.swatch-panel .swatch-color {
  background: var(--color-bg-panel);
}

.swatch-panel-2 .swatch-color {
  background: var(--color-bg-panel-2);
}

.swatch-border .swatch-color {
  background: var(--color-border);
}

.swatch-accent .swatch-color {
  background: var(--color-accent);
}

.swatch-accent-dark .swatch-color {
  background: var(--color-accent-dark);
}

.swatch-text .swatch-color {
  background: var(--color-text);
}

.swatch-muted .swatch-color {
  background: var(--color-text-muted);
}

.swatch-success .swatch-color {
  background: var(--color-success);
}

.swatch-warn .swatch-color {
  background: var(--color-warn);
}

.swatch-error .swatch-color {
  background: var(--color-error);
}

.swatch-metal .swatch-color {
  background: var(--color-metal);
}

.type-sample {
  padding: 25px 0;
  border-bottom: 1px solid var(--color-border);
}

.type-sample:last-child {
  border-bottom: 0;
}

.type-meta {
  display: block;
  margin-bottom: 8px;
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 11px;
}

.type-display {
  margin: 0;
  color: var(--color-accent-soft);
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 78px);
  font-weight: 900;
  line-height: 1.08;
}

.data-table {
  min-width: 680px;
}

.prose > .data-table {
  display: block;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 980px) {
  .blog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .palette-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-stage {
    min-height: 760px;
  }

  .hero-sign {
    left: 5%;
    width: 90%;
  }

  .hero-console {
    left: 5%;
    width: 90%;
  }

  .route-direct {
    left: 7%;
  }

  .route-reject {
    right: 7%;
  }
}

@media (max-width: 640px) {
  .glossary-grid,
  .download-grid,
  .blog-grid,
  .palette-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .toc {
    top: 6px;
  }

  .client-actions .button {
    width: 100%;
  }

  .callout {
    padding: 19px 18px 19px 43px;
  }

  .callout::before {
    left: 16px;
  }

  .dl-fab {
    right: 18px;
    bottom: 18px;
    width: 92px;
    height: 92px;
    border-width: 2px;
    font-size: 13px;
    box-shadow: 0 0 0 5px var(--color-bg-deep), 0 0 0 7px var(--color-border-light), var(--shadow-warn);
  }

  .dl-fab-icon {
    width: 18px;
    height: 18px;
  }

  .download-cta {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-preview {
    min-height: auto;
  }

  .hero-stage {
    height: auto;
    min-height: 760px;
    max-height: none;
  }

  .hanger {
    height: 28px;
  }

  .hanger-left {
    left: 22%;
  }

  .hanger-right {
    right: 22%;
  }

  .hero-sign {
    top: 24px;
    left: var(--gutter);
    width: calc(100% - var(--gutter) * 2);
    height: 250px;
    padding: 10px;
  }

  .sign-code {
    top: 10px;
    left: 12px;
    font-size: 8px;
  }

  .neon-title {
    font-size: clamp(35px, 10.4vw, 52px);
    letter-spacing: 0.01em;
    white-space: normal;
  }

  .keyword-line {
    margin-top: 12px;
    font-size: 14px;
    letter-spacing: 0.08em;
  }

  .sign-status {
    right: 12px;
    bottom: 9px;
    font-size: 8px;
  }

  .routing-device {
    top: 260px;
    height: 260px;
  }

  .junction-box {
    top: 29px;
    width: 106px;
    height: 65px;
  }

  .junction-label {
    font-size: 20px;
  }

  .route-box {
    top: 138px;
    width: 29%;
    height: 64px;
    padding: 0 8px;
  }

  .route-direct {
    left: 2%;
  }

  .route-proxy {
    left: 50%;
  }

  .route-reject {
    right: 2%;
  }

  .route-copy strong {
    font-size: 14px;
  }

  .route-copy code {
    font-size: 8px;
  }

  .hero-console {
    position: absolute;
    top: 506px;
    left: var(--gutter);
    width: calc(100% - var(--gutter) * 2);
    min-height: 222px;
    padding: 20px;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .hero-console .button-row,
  .hero-console .button {
    width: 100%;
  }

  .hero-description {
    font-size: 13px;
  }

  .swatch-color {
    height: 64px;
  }
}