.answer-pop {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 1000;
  min-width: min(340px, calc(100vw - 32px));
  padding: 22px 28px;
  border: 2px solid currentColor;
  background: #071827;
  box-shadow: 0 16px 60px rgba(0, 0, 0, .55), 0 0 30px currentColor;
  font: 700 .9rem/1.3 var(--mono);
  letter-spacing: .1em;
  text-align: center;
  opacity: 0;
  transform: translate(-50%, -42%) scale(.92);
  transition: opacity .16s ease, transform .16s ease;
  pointer-events: none;
}

.answer-pop.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.answer-pop.is-correct {
  color: var(--green);
}

.answer-pop.is-wrong {
  color: var(--coral);
}

.step-progress {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  align-items: center;
  gap: 12px;
  margin: 28px 0 18px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  background: rgba(7, 24, 39, .82);
}

.progress-step {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font: 700 .62rem/1 var(--mono);
  letter-spacing: .08em;
  white-space: nowrap;
}

.progress-step span {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--line);
}

.progress-line {
  height: 2px;
  background: var(--line);
}

.progress-step.is-active {
  color: var(--amber);
}

.progress-step.is-active span {
  border-color: var(--amber);
  background: rgba(255, 176, 32, .14);
  box-shadow: 0 0 18px rgba(255, 176, 32, .18);
}

.progress-step.is-complete {
  color: var(--green);
}

.progress-step.is-complete span {
  border-color: var(--green);
  background: rgba(80, 227, 154, .12);
}

.progress-line.is-complete {
  background: var(--green);
}

@media (max-width: 580px) {
  .step-progress {
    gap: 6px;
    padding: 14px 10px;
  }

  .progress-step {
    flex-direction: column;
    gap: 7px;
    font-size: .48rem;
    text-align: center;
  }

  .progress-step span {
    width: 26px;
    height: 26px;
  }
}