.unit-shell {
  width: min(980px, 94vw);
}

.unit-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1.15fr) minmax(280px, 0.85fr);
  gap: 1rem;
  align-items: start;
}

.unit-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(160deg, #ffffff 0%, #fefcf8 100%);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.unit-card h2 {
  margin: 0 0 0.8rem;
  font-size: 1.08rem;
}

.item-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}

.item-block {
  border: 1px solid #e7dfd3;
  border-radius: 12px;
  background: #fff;
  padding: 0.7rem;
}

.item-block h3 {
  margin: 0 0 0.55rem;
  font-size: 0.98rem;
}

.item-block label {
  display: block;
  margin-bottom: 0.34rem;
  font-weight: 600;
  font-size: 0.88rem;
}

.item-block input,
.item-block select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fdfcf8;
  color: #1f1f1f;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.88rem;
  padding: 0.56rem 0.62rem;
  margin-bottom: 0.52rem;
}

.input-prefix-wrap {
  position: relative;
}

.input-prefix {
  position: absolute;
  left: 0.64rem;
  top: 50%;
  transform: translateY(calc(-50% - 0.24rem));
  color: #5f574e;
  pointer-events: none;
}

.input-prefix-wrap input {
  padding-left: 1.42rem;
}

.result-grid {
  display: grid;
  gap: 0.62rem;
}

.result-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.8rem;
  padding: 0.6rem 0.65rem;
  border: 1px solid #e5ddd1;
  border-radius: 12px;
  background: #fff;
}

.result-line span {
  color: #5f574e;
  font-size: 0.92rem;
}

.result-line strong {
  font-family: "IBM Plex Mono", monospace;
  font-size: 1rem;
}

.winner-message {
  margin: 0.85rem 0 0;
  padding: 0.74rem 0.78rem;
  border: 1px solid #e5ddd1;
  border-radius: 12px;
  background: #fff;
  color: #4f483f;
  line-height: 1.4;
}

.winner-message.win {
  border-color: #b6d8ca;
  background: #eefaf5;
  color: #145640;
}

@media (max-width: 860px) {
  .unit-layout {
    grid-template-columns: 1fr;
  }

  .item-grid {
    grid-template-columns: 1fr;
  }
}