.guide-body {
  --border: #34435b;
  background:
    radial-gradient(ellipse at 75% 0, #15313060, transparent 40rem), var(--bg);
}
.guide-skip {
  position: absolute;
  top: 0;
  left: 24px;
  z-index: 20;
  padding: 12px;
  background: var(--panel);
  transform: translateY(-120%);
}
.guide-skip:focus {
  transform: none;
}
.guide-body :focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 5px;
}
.guide-hero {
  width: min(1260px, calc(100% - 60px));
  margin: auto;
  padding: 76px 0 64px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
  gap: 70px;
}
.guide-back {
  font-size: 13px;
  display: inline-block;
  margin-bottom: 32px;
}
.guide-hero h1 {
  font-size: clamp(46px, 5.5vw, 78px);
  letter-spacing: -0.055em;
  line-height: 1.06;
  margin: 15px 0 24px;
}
.guide-lede {
  font-size: 22px;
  max-width: 560px;
  color: #c5d0df;
  line-height: 1.5;
}
.guide-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0;
}
.guide-tags span {
  font: 11px var(--mono);
  border: 1px solid #455364;
  padding: 8px 10px;
  border-radius: 30px;
  color: #bac8d9;
}
.guide-hero-note {
  padding: 28px;
  border-left: 1px solid #405951;
  color: #b8c8ca;
}
.guide-orbit {
  font-size: 110px;
  color: var(--mint);
  line-height: 1;
  display: block;
}
.guide-hero-note p {
  max-width: 360px;
  font-size: 17px;
}
.guide-layout {
  width: min(1260px, calc(100% - 60px));
  margin: auto;
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 65px;
  align-items: start;
}
.guide-toc {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 12px;
  font-size: 13px;
  padding-bottom: 30px;
  max-height: calc(100vh - 56px);
  overflow: auto;
}
.guide-toc .eyebrow {
  margin-bottom: 10px;
}
.guide-toc a {
  color: #a6b6c9;
  padding: 3px 0;
}
.guide-toc a[aria-current] {
  color: var(--mint);
  font-weight: 800;
}
.guide-toc a:hover {
  color: #fff;
}
.guide-toc .toc-property {
  font-size: 11px;
  padding-left: 12px;
  border-left: 1px solid var(--edge);
}
.guide-section {
  padding: 48px 0 52px;
  border-top: 1px solid var(--edge);
  scroll-margin-top: 28px;
}
.guide-section h2 {
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.035em;
  margin: 15px 0 28px;
}
.guide-concept {
  font-size: 21px;
  line-height: 1.7;
  color: #d1dbe8;
}
.guide-route {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: center;
  padding: 34px 0;
}
.guide-route span,
.guide-route strong {
  padding: 18px 22px;
  border: 1px solid var(--edge);
  border-radius: 12px;
  background: var(--panel);
  font-size: 13px;
  text-align: center;
}
.guide-route strong {
  border-color: var(--mint);
  color: var(--mint);
  box-shadow: 0 0 40px #67d5b30d;
}
.guide-route b {
  color: #718b89;
}
.guide-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 2px solid #516567;
  padding-left: 16px;
  margin: 24px 0 0;
}
.guide-demo-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin: 24px 0;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: 12px;
}
.guide-demo-controls label {
  font-size: 13px;
  font-weight: 700;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}
.guide-demo-controls output {
  font: 12px var(--mono);
  color: var(--mint);
}
.guide-demo-controls input {
  grid-column: 1/-1;
  width: 100%;
  accent-color: var(--mint);
  cursor: pointer;
}
.guide-property {
  padding: 26px;
  margin: 18px 0;
  background: linear-gradient(120deg, #1a2430, var(--panel));
  border: 1px solid #344051;
  border-radius: 16px;
  scroll-margin-top: 24px;
}
.property-heading {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.property-number {
  font: 12px var(--mono);
  color: var(--mint);
  padding-top: 5px;
}
.property-heading h3 {
  margin: 0;
  font-size: 21px;
  letter-spacing: -0.02em;
}
.property-heading code {
  font-size: 11px;
  color: #97a9bf;
  overflow-wrap: anywhere;
}
.property-meaning {
  font-size: 16px;
  color: #d1dbe8;
}
.property-facts {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 18px;
  padding: 18px 0;
  border-block: 1px solid #ffffff12;
}
.property-facts span {
  display: grid;
  gap: 6px;
  min-width: 0;
}
.property-facts small {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 10px;
  color: #98adbd;
}
.property-facts strong {
  font: 12px/1.7 var(--mono);
  overflow-wrap: anywhere;
  color: #e4ecf5;
}
.property-direction {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.property-direction p {
  font-size: 13px;
  color: #afbfce;
}
.property-direction b {
  display: block;
  color: #d7e8ed;
  font-size: 12px;
  margin-bottom: 7px;
}
.property-example {
  font-size: 14px;
  border-left: 2px solid var(--mint);
  padding-left: 16px;
  color: #c6e5dc;
}
.property-example b {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
  color: var(--mint);
}
.property-note {
  font-size: 12px;
  color: #bbc6d2;
}
.guide-recipes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.guide-recipes article {
  border: 1px solid var(--edge);
  border-radius: 16px;
  padding: 25px;
  background: #101923;
}
.recipe-index {
  font: 10px var(--mono);
  color: var(--mint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.guide-recipes h3 {
  font-size: 20px;
  line-height: 1.4;
  margin: 15px 0 20px;
}
.guide-recipes ol {
  padding-left: 22px;
  color: #b9c8d9;
  font-size: 14px;
}
.guide-recipes li {
  padding-left: 7px;
  margin-bottom: 18px;
}
.guide-recipes li::marker {
  color: var(--mint);
  font: 12px var(--mono);
}
.guide-mistakes {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}
.guide-mistakes li {
  padding: 18px 22px;
  border: 1px solid #695341;
  background: #2a201621;
  border-radius: 10px;
  color: #dfcbb5;
  font-size: 14px;
}
.guide-shape-grid,
.guide-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.guide-shape-grid article,
.guide-actions article {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: 12px;
}
.guide-shape-grid h3,
.guide-actions h3 {
  font-size: 16px;
  margin-top: 0;
}
.guide-shape-grid p,
.guide-actions p {
  font-size: 14px;
  color: #b5c5d5;
}
.guide-next {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0 60px;
  border-top: 1px solid var(--edge);
}
.guide-footer {
  width: min(1260px, calc(100% - 60px));
  margin: auto;
  border-top: 1px solid var(--edge);
  padding: 36px 0;
  font-size: 13px;
  color: var(--muted);
}
.guide-index-hero {
  max-width: 850px;
  margin: 80px auto 50px;
  text-align: center;
  padding: 0 24px;
}
.guide-index-hero h1 {
  font-size: clamp(36px, 5vw, 64px);
  letter-spacing: -0.05em;
  line-height: 1.15;
}
.guide-index-hero em {
  color: var(--mint);
  font-style: normal;
}
.guide-index-hero p {
  color: #b7c7d8;
  font-size: 18px;
}
.guide-search {
  display: grid;
  text-align: left;
  font-size: 12px;
  gap: 8px;
  margin: 36px auto 10px;
  max-width: 540px;
}
.guide-search input {
  padding: 15px 18px;
  border: 1px solid #405266;
  background: var(--panel);
  border-radius: 10px;
  color: var(--text);
  font: 16px var(--sans);
}
.guide-index-hero #guide-count {
  font: 12px var(--mono);
}
.guide-index-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  width: min(1260px, calc(100% - 60px));
  margin: 0 auto 70px;
}
.guide-index-card {
  display: flex;
  flex-direction: column;
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: 16px;
  color: var(--text);
  transition:
    border-color 0.2s,
    transform 0.2s;
}
.guide-index-card:hover {
  border-color: var(--mint);
  color: var(--text);
  transform: translateY(-3px);
}
.guide-index-card h2 {
  font-size: 21px;
  margin: 16px 0 10px;
  letter-spacing: -0.02em;
}
.guide-index-card p {
  color: #b3c3d4;
  font-size: 14px;
  flex: 1;
}
.guide-index-card small {
  font: 10px var(--mono);
  color: #98b0c3;
}
.guide-index-card b {
  font-size: 12px;
  color: var(--mint);
  margin-top: 22px;
}
.guide-card-symbol {
  color: var(--mint);
  font-size: 30px;
}
.guide-index-card[hidden] {
  display: none;
}
.guide-no-results {
  text-align: center;
  padding: 40px;
}
@media (max-width: 1000px) {
  .guide-layout {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 30px;
  }
  .guide-hero {
    gap: 30px;
  }
}
@media (max-width: 720px) {
  .guide-hero {
    padding: 40px 0;
    grid-template-columns: 1fr;
    gap: 20px;
    width: calc(100% - 40px);
  }
  .guide-hero-note {
    padding: 8px 18px;
  }
  .guide-orbit {
    display: none;
  }
  .guide-hero-note p {
    max-width: none;
    font-size: 15px;
  }
  .guide-layout {
    display: block;
    width: calc(100% - 40px);
  }
  .guide-toc {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    max-height: none;
  }
  .guide-toc .eyebrow,
  .guide-toc .toc-property {
    display: none;
  }
  .guide-section {
    padding: 32px 0;
  }
  .guide-route {
    gap: 7px;
  }
  .guide-route span,
  .guide-route strong {
    padding: 14px 9px;
    font-size: 11px;
  }
  .guide-recipes,
  .guide-shape-grid,
  .guide-actions,
  .property-direction {
    grid-template-columns: 1fr;
  }
  .property-direction {
    gap: 0;
  }
  .guide-property {
    padding: 20px;
  }
  .property-facts {
    grid-template-columns: 1fr;
  }
  .guide-index-grid {
    grid-template-columns: 1fr;
    width: calc(100% - 40px);
  }
  .guide-index-hero {
    margin-top: 45px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .guide-body {
    scroll-behavior: auto;
  }
  html:has(.guide-body) {
    scroll-behavior: auto;
  }
  .guide-index-card {
    transition: none;
  }
  .guide-index-card:hover {
    transform: none;
  }
}

.guide-demo-select {
  display: grid;
  gap: 8px;
  font-size: 13px;
  margin: 22px 0;
  max-width: 360px;
}
.guide-demo-select select {
  color-scheme: dark;
  padding: 12px;
  border: 1px solid var(--edge);
  border-radius: 9px;
  color: var(--text);
  background: var(--panel);
  font: inherit;
}
.guide-band-selects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 22px 0;
}
.guide-band-selects label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.guide-band-selects select {
  width: 100%;
  min-width: 0;
  color-scheme: dark;
  padding: 12px;
  border: 1px solid var(--edge);
  border-radius: 9px;
  color: var(--text);
  background: var(--panel);
  font: inherit;
}
.guide-band-selects select:focus-visible,
.guide-demo-select select:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.guide-walkthrough {
  padding-left: 1.4rem;
  line-height: 1.8;
}
.guide-walkthrough li {
  padding-left: 0.5rem;
  margin: 0.75rem 0;
}
.guide-outcomes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}
.guide-outcomes article,
.guide-signal-panel {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  background: var(--panel);
}
.guide-outcomes h3 {
  margin: 0 0 0.6rem;
}
.guide-outcomes p {
  margin: 0;
}
.guide-signal-panel {
  margin: 1rem 0;
}
.guide-signal-panel h3 {
  margin: 0 0 0.8rem;
}
.guide-signal-panel label {
  display: grid;
  gap: 0.5rem;
}
.guide-signal-panel select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 0.7rem;
  color-scheme: dark;
}
.guide-signal-rows {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}
.guide-signal-row {
  min-width: 0;
}
.guide-signal-row strong {
  font-size: 0.85rem;
}
.guide-signal-plot {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  margin: 0.3rem 0;
}
.guide-signal-plot canvas {
  display: block;
  width: 100%;
  height: 52px;
}
.guide-signal-cursor {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #fff;
  left: 0;
}
.guide-signal-row output {
  display: block;
  height: 1.4rem;
  font: 0.75rem/1.4 monospace;
  color: var(--muted);
}
@media (max-width: 600px) {
  .guide-outcomes {
    grid-template-columns: 1fr;
  }
  .guide-signal-panel {
    padding: 1rem;
  }
  .guide-signal-row strong {
    font-size: 0.75rem;
  }
}