.first-sprint-scope-section {
  position: relative;
  overflow: clip;
}

.first-sprint-scope-shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(1.25rem, 3vw, 2.75rem);
  align-items: start;
  padding: clamp(1.25rem, 3vw, 2.4rem);
  border: 1px solid rgba(132, 210, 210, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(7, 14, 24, 0.92), rgba(13, 28, 36, 0.72)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 74px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.first-sprint-scope-copy {
  display: grid;
  gap: 1rem;
}

.first-sprint-scope-copy .lab-section-lead {
  margin: 0;
}

.first-sprint-scope-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 0.35rem;
}

.first-sprint-scope-board {
  position: relative;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(3, 9, 16, 0.58);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.first-sprint-scope-asset {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  pointer-events: none;
}

.scope-gate-selector {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1rem;
  min-width: 0;
  margin: 0;
  padding: clamp(1rem, 2.5vw, 1.4rem);
  border: 0;
}

.scope-gate-selector legend {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.scope-gate-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0.01;
}

.scope-gate-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
}

.scope-gate-tabs label {
  display: grid;
  gap: 0.25rem;
  min-height: 4.6rem;
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: rgba(240, 238, 246, 0.62);
  background: rgba(6, 14, 24, 0.64);
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast),
    color var(--transition-fast);
}

.scope-gate-tabs label span {
  font-family: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: rgba(126, 232, 217, 0.86);
}

.scope-gate-tabs label strong {
  font-size: 0.9rem;
  line-height: 1.1;
}

.scope-gate-tabs label:hover {
  transform: translateY(-2px);
  color: var(--text-primary);
  border-color: rgba(126, 232, 217, 0.34);
  background: rgba(8, 30, 38, 0.78);
}

#scope-gate-signal:focus-visible ~ .scope-gate-tabs label[for="scope-gate-signal"],
#scope-gate-boundary:focus-visible ~ .scope-gate-tabs label[for="scope-gate-boundary"],
#scope-gate-proof:focus-visible ~ .scope-gate-tabs label[for="scope-gate-proof"],
#scope-gate-handoff:focus-visible ~ .scope-gate-tabs label[for="scope-gate-handoff"] {
  outline: 2px solid rgba(126, 232, 217, 0.88);
  outline-offset: 3px;
}

#scope-gate-signal:checked ~ .scope-gate-tabs label[for="scope-gate-signal"],
#scope-gate-boundary:checked ~ .scope-gate-tabs label[for="scope-gate-boundary"],
#scope-gate-proof:checked ~ .scope-gate-tabs label[for="scope-gate-proof"],
#scope-gate-handoff:checked ~ .scope-gate-tabs label[for="scope-gate-handoff"] {
  color: var(--text-primary);
  border-color: rgba(126, 232, 217, 0.48);
  background: linear-gradient(135deg, rgba(14, 54, 64, 0.9), rgba(21, 23, 40, 0.78));
}

.scope-gate-panels {
  position: relative;
  min-height: 24.5rem;
}

.scope-gate-panel {
  display: none;
  gap: 0.9rem;
  min-height: 24.5rem;
  padding: clamp(1rem, 2.5vw, 1.35rem);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(5, 12, 20, 0.96);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.scope-gate-panel h3 {
  margin: 0;
  max-width: 18ch;
  color: var(--text-primary);
  font-size: clamp(1.35rem, 2.3vw, 2rem);
  line-height: 1.05;
}

.scope-gate-panel dl {
  display: grid;
  gap: 0.65rem;
  margin: 0;
}

.scope-gate-panel dl div {
  display: grid;
  grid-template-columns: minmax(5.2rem, 0.35fr) minmax(0, 1fr);
  gap: 0.85rem;
  padding-top: 0.65rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.scope-gate-panel dt {
  color: rgba(232, 214, 139, 0.92);
  font-family: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scope-gate-panel dd {
  margin: 0;
  color: rgba(240, 238, 246, 0.74);
  line-height: 1.55;
}

#scope-gate-signal:checked ~ .scope-gate-panels .scope-gate-panel-signal,
#scope-gate-boundary:checked ~ .scope-gate-panels .scope-gate-panel-boundary,
#scope-gate-proof:checked ~ .scope-gate-panels .scope-gate-panel-proof,
#scope-gate-handoff:checked ~ .scope-gate-panels .scope-gate-panel-handoff {
  display: grid;
}

.first-sprint-scope-boundary {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(240, 238, 246, 0.58);
  font-size: 0.92rem;
  line-height: 1.6;
}

@media (max-width: 980px) {
  .first-sprint-scope-shell {
    grid-template-columns: 1fr;
  }

  .scope-gate-panels,
  .scope-gate-panel {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .first-sprint-scope-shell {
    padding: 1rem;
  }

  .first-sprint-scope-asset {
    opacity: 0.08;
  }

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

  .scope-gate-tabs label {
    min-height: 4rem;
  }

  .scope-gate-panel h3 {
    max-width: none;
    font-size: 1.35rem;
  }

  .scope-gate-panel dl div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .first-sprint-scope-actions {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scope-gate-tabs label {
    transition: none;
  }

  .scope-gate-tabs label:hover {
    transform: none;
  }
}