.oi-trace-card {
  grid-column: 1 / -1;
}

.oi-trace-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.oi-trace-summary,
.oi-trace-step,
.oi-trace-example,
.oi-trace-lane {
  border: 1px solid rgba(216, 161, 58, .2);
  border-radius: 20px;
  padding: 16px;
  background: rgba(5, 18, 32, .55);
}

.oi-trace-summary span,
.oi-trace-step span,
.oi-trace-example span,
.oi-trace-lane span,
.oi-trace-chip {
  display: block;
  color: var(--gold-2);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .72rem;
}

.oi-trace-summary strong {
  display: block;
  color: #fff4d8;
  font-size: clamp(1.35rem, 2vw, 2rem);
  margin: 8px 0 6px;
}

.oi-trace-summary p,
.oi-trace-step p,
.oi-trace-example p,
.oi-trace-lane p,
.oi-trace-step li {
  color: var(--muted);
  line-height: 1.5;
}

.oi-trace-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.oi-trace-step {
  position: relative;
  min-height: 170px;
}

.oi-trace-step strong {
  display: block;
  color: #fff4d8;
  margin: 8px 0;
  font-size: 1.02rem;
}

.oi-trace-step ul {
  margin: 8px 0 0 18px;
  padding: 0;
}

.oi-trace-step::after {
  content: '→';
  position: absolute;
  right: -15px;
  top: 50%;
  color: var(--gold-2);
  font-weight: 950;
  transform: translateY(-50%);
}

.oi-trace-step:last-child::after {
  content: '';
}

.oi-trace-example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.oi-trace-example strong,
.oi-trace-lane strong {
  display: block;
  color: #fff4d8;
  margin: 8px 0;
  font-size: 1.08rem;
}

.oi-trace-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.oi-trace-chip {
  border: 1px solid rgba(240, 197, 111, .22);
  border-radius: 999px;
  padding: 7px 9px;
  background: rgba(255, 255, 255, .035);
  color: #f2d891;
  font-size: .74rem;
}

.oi-trace-lanes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.oi-trace-lane.is-hold {
  border-color: rgba(255, 123, 123, .26);
}

.oi-trace-lane.is-review {
  border-color: rgba(240, 197, 111, .28);
}

.oi-trace-lane.is-ready {
  border-color: rgba(119, 212, 107, .28);
}

.oi-trace-note {
  margin-top: 18px;
  border: 1px solid rgba(119, 212, 107, .22);
  border-radius: 18px;
  padding: 14px;
  background: rgba(119, 212, 107, .06);
  color: var(--muted);
  line-height: 1.5;
}

.oi-trace-note strong {
  color: #dff8da;
}

@media (max-width: 1280px) {
  .oi-trace-summary-grid,
  .oi-trace-flow,
  .oi-trace-lanes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .oi-trace-step::after {
    display: none;
  }
}

@media (max-width: 900px) {
  .oi-trace-example-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .oi-trace-summary-grid,
  .oi-trace-flow,
  .oi-trace-lanes {
    grid-template-columns: 1fr;
  }
}