.stark-ups-calc {
  --stark-accent: #d71920;
  --stark-ink: #1f2933;
  --stark-muted: #64748b;
  --stark-line: #d9e2ec;
  --stark-bg: #f7f9fc;
  margin: 24px 0;
  color: var(--stark-ink);
}

.stark-ups-calc * {
  box-sizing: border-box;
}

.stark-ups-calc__head {
  margin-bottom: 18px;
}

.stark-ups-calc__head h2 {
  margin: 0 0 6px;
  font-size: 28px;
  line-height: 1.2;
}

.stark-ups-calc__head p,
.stark-ups-calc__notice,
.stark-ups-calc__empty {
  color: var(--stark-muted);
}

.stark-ups-calc__grid {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 20px;
}

.stark-ups-calc__panel,
.stark-ups-calc__results {
  border: 1px solid var(--stark-line);
  border-radius: 8px;
  background: #fff;
  padding: 18px;
}

.stark-ups-calc__fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stark-ups-calc__fields label {
  display: block;
  margin: 0;
  font-weight: 600;
}

.stark-ups-calc__fields label:first-child {
  grid-column: 1 / -1;
}

.stark-ups-calc__fields span {
  display: block;
  margin-bottom: 5px;
  color: var(--stark-muted);
  font-size: 13px;
}

.stark-ups-calc__fields input,
.stark-ups-calc__fields select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--stark-line);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 16px;
}

.stark-ups-calc__actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.stark-ups-calc__button,
.stark-ups-calc__summary button {
  min-height: 42px;
  border: 1px solid var(--stark-ink);
  border-radius: 6px;
  background: #fff;
  color: var(--stark-ink);
  padding: 9px 14px;
  font-weight: 700;
  cursor: pointer;
}

.stark-ups-calc__button--accent,
.stark-ups-calc__summary button {
  border-color: var(--stark-accent);
  background: var(--stark-accent);
  color: #fff;
}

.stark-ups-calc__runtime {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  border-radius: 8px;
  background: var(--stark-bg);
  padding: 14px;
}

.stark-ups-calc__runtime strong {
  font-size: 24px;
}

.stark-ups-calc__notice {
  margin: 12px 0 0;
  font-size: 13px;
}

.stark-ups-calc__results h3 {
  margin: 0 0 14px;
  font-size: 20px;
}

.stark-ups-calc__list {
  display: grid;
  gap: 12px;
}

.stark-ups-calc__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 180px;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--stark-line);
  border-radius: 8px;
  padding: 12px;
}

.stark-ups-calc__product {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.stark-ups-calc__product img {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.stark-ups-calc__product span,
.stark-ups-calc__product small {
  display: block;
  color: var(--stark-muted);
  font-size: 12px;
}

.stark-ups-calc__product a {
  display: block;
  color: var(--stark-ink);
  font-weight: 700;
  line-height: 1.25;
}

.stark-ups-calc__summary {
  display: grid;
  gap: 10px;
}

.stark-ups-calc__more {
  margin-top: 14px;
}

@media (max-width: 991px) {
  .stark-ups-calc__grid,
  .stark-ups-calc__item {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .stark-ups-calc__fields,
  .stark-ups-calc__actions {
    grid-template-columns: 1fr;
  }

  .stark-ups-calc__actions,
  .stark-ups-calc__runtime {
    flex-direction: column;
    align-items: stretch;
  }
}