.scope-lab {
  position: relative;
  overflow: clip;
  background: var(--paper);
}

.scope-lab::before {
  position: absolute;
  top: 15%;
  right: -160px;
  width: 420px;
  height: 420px;
  background: rgba(94, 234, 212, 0.09);
  border-radius: 50%;
  filter: blur(1px);
  content: "";
  pointer-events: none;
}

.scope-lab-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.55fr);
  gap: 50px;
  align-items: end;
  margin-bottom: 44px;
}

.scope-lab-heading h2 {
  max-width: 820px;
  margin-bottom: 0;
}

.scope-lab-heading p {
  margin-bottom: 5px;
}

.scope-lab-shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, 0.58fr) minmax(0, 1.42fr);
  overflow: hidden;
  background: var(--night);
  border: 1px solid rgba(232, 239, 255, 0.15);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.scope-lab-options {
  display: grid;
  align-content: start;
  padding: 22px;
  background: #0d1427;
  border-right: 1px solid var(--line-dark);
}

.scope-lab-options > span {
  display: block;
  margin: 4px 8px 18px;
  color: #71839e;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scope-lab-option {
  display: grid;
  grid-template-columns: auto 1fr;
  min-height: 72px;
  gap: 13px;
  align-items: center;
  padding: 14px 12px;
  color: #96a7bd;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 13px;
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.scope-lab-option + .scope-lab-option {
  margin-top: 5px;
}

.scope-lab-option:hover {
  color: #eef4ff;
  background: rgba(255, 255, 255, 0.035);
}

.scope-lab-option[aria-pressed="true"] {
  color: #f3f6ff;
  background: rgba(94, 234, 212, 0.08);
  border-color: rgba(94, 234, 212, 0.24);
}

.scope-lab-option > span:first-child {
  display: grid;
  width: 31px;
  height: 31px;
  place-items: center;
  color: #72839e;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 9px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem;
}

.scope-lab-option[aria-pressed="true"] > span:first-child {
  color: var(--night);
  background: var(--lime);
  border-color: var(--lime);
}

.scope-lab-option strong,
.scope-lab-option small {
  display: block;
}

.scope-lab-option strong {
  font-size: 0.9rem;
}

.scope-lab-option small {
  margin-top: 2px;
  color: #a0aec3;
  font-size: 0.7rem;
}

.scope-lab-stage {
  position: relative;
  min-width: 0;
  padding: clamp(34px, 6vw, 74px);
  color: #eef4ff;
  background:
    radial-gradient(circle at 88% 8%, rgba(155, 140, 255, 0.11), transparent 29%),
    var(--night);
}

.scope-lab-stage::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 52%;
  height: 46%;
  opacity: 0.4;
  background-image:
    linear-gradient(rgba(94, 234, 212, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 234, 212, 0.09) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(135deg, transparent, black);
  content: "";
  pointer-events: none;
}

.scope-lab-stage > * {
  position: relative;
  z-index: 1;
}

.scope-lab-meta {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  color: #798da8;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scope-lab-meta span:last-child {
  color: var(--lime);
}

.scope-lab-stage h3 {
  max-width: 760px;
  margin-bottom: 16px;
  color: #f4f7ff;
  font-size: clamp(1.9rem, 4vw, 3.6rem);
}

.scope-lab-stage > p {
  max-width: 720px;
  color: #9facc3;
}

.scope-emphasis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 32px 0;
  padding: 0;
  list-style: none;
}

.scope-emphasis li {
  min-width: 0;
  padding: 14px;
  color: #c6d3e5;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line-dark);
  border-radius: 11px;
  font-size: 0.77rem;
}

.scope-emphasis li::before {
  display: block;
  width: 18px;
  height: 2px;
  margin-bottom: 12px;
  background: var(--mint);
  content: "";
}

.scope-path {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 38px 0 34px;
  counter-reset: scope-path;
}

.scope-path span {
  position: relative;
  min-width: 0;
  padding-top: 23px;
  color: #8292ad;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.64rem;
  text-transform: uppercase;
}

.scope-path span::before {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 9px;
  height: 9px;
  background: var(--lime);
  border: 3px solid var(--night);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(155, 140, 255, 0.58);
  content: "";
}

.scope-path span:not(:last-child)::after {
  position: absolute;
  top: 4px;
  right: 0;
  left: 9px;
  height: 1px;
  background: rgba(155, 140, 255, 0.52);
  transform-origin: left;
  content: "";
}

.js .scope-lab-stage.is-changing .scope-path span:not(:last-child)::after {
  animation: scope-path-trace 320ms var(--ease) both;
}

@keyframes scope-path-trace {
  from { opacity: 0; transform: scaleX(0); }
  to { opacity: 1; transform: scaleX(1); }
}

.scope-lab-status {
  min-height: 1px;
  margin: 0;
}

@media (max-width: 860px) {
  .scope-lab-heading,
  .scope-lab-shell {
    grid-template-columns: 1fr;
  }

  .scope-lab-heading {
    gap: 18px;
  }

  .scope-lab-options {
    grid-template-columns: repeat(2, 1fr);
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .scope-lab-options > span {
    grid-column: 1 / -1;
  }

  .scope-lab-option + .scope-lab-option {
    margin-top: 0;
  }
}

@media (max-width: 560px) {
  .scope-lab-options {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .scope-lab-options > span {
    grid-column: auto;
    margin-top: 8px;
  }

  .scope-lab-option {
    min-height: 62px;
  }

  .scope-emphasis {
    grid-template-columns: 1fr;
  }

  .scope-path {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .scope-path span {
    min-height: 54px;
    padding: 0 0 18px 27px;
  }

  .scope-path span::before {
    top: 3px;
  }

  .scope-path span:not(:last-child)::after {
    top: 12px;
    bottom: -3px;
    left: 4px;
    width: 1px;
    height: auto;
    background: rgba(155, 140, 255, 0.52);
    transform-origin: top;
  }

  .js .scope-lab-stage.is-changing .scope-path span:not(:last-child)::after {
    animation-name: scope-path-trace-vertical;
  }

  @keyframes scope-path-trace-vertical {
    from { opacity: 0; transform: scaleY(0); }
    to { opacity: 1; transform: scaleY(1); }
  }
}

@media (prefers-reduced-motion: reduce) {
  .js .scope-lab-stage.is-changing .scope-path span:not(:last-child)::after {
    animation: none;
  }
}