.qc-calculator {
  --qc-ink: #292924;
  --qc-muted: #66665f;
  --qc-line: #e5e5df;
  --qc-surface: #fff;
  font-family: inherit;
  color: var(--qc-ink);
  font-size: 14px;
  margin-inline: auto;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}
.qc-calculator,
.qc-calculator * {
  box-sizing: border-box;
}
.qc-calculator [hidden] {
  display: none !important;
}
.qc-calculator .qc-title {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
  color: var(--qc-ink);
}
.qc-calculator .qc-intro {
  font-size: 15px;
  line-height: 1.7;
  color: var(--qc-muted);
  margin: 0 0 30px;
}
.qc-calculator .qc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.qc-calculator .qc-stacked {
  grid-template-columns: minmax(0, 1fr);
}
.qc-calculator .qc-panel {
  padding: 28px;
  border: 1px solid var(--qc-line);
  border-radius: 12px;
  background: var(--qc-surface);
  min-width: 0;
  overflow-wrap: anywhere;
}
.qc-calculator .qc-result {
  background: #f6f6f2;
  border-color: #bbbbae;
}
.qc-calculator .qc-panel-title,
.qc-calculator .qc-match-title {
  font-size: 21px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--qc-ink);
  margin: 0 0 14px;
}
.qc-calculator .qc-badge {
  display: inline-block;
  padding: 5px 8px;
  border-radius: 4px;
  background: #e9e9e1;
  color: var(--qc-muted);
  font-size: 10px;
  font-weight: 600;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.qc-calculator .qc-help {
  font-size: 12px;
  color: var(--qc-muted);
  line-height: 1.7;
  margin: 8px 0 14px;
  white-space: pre-wrap;
}
.qc-calculator .qc-field {
  padding: 22px 0;
  border-top: 1px solid var(--qc-line);
}
.qc-calculator .qc-field:last-child {
  padding-bottom: 0;
}
.qc-calculator .qc-field label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin: 0 0 10px;
  color: var(--qc-ink);
}
.qc-calculator .qc-field select,
.qc-calculator .qc-field input[type='number'] {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 12px;
  font: inherit;
  font-size: 13px;
  background: var(--qc-surface);
  border: 1px solid var(--qc-line);
  border-radius: 6px;
  color: var(--qc-ink);
  min-height: 44px;
  height: auto;
  line-height: 1.5;
}
.qc-calculator .qc-field input[type='checkbox'] {
  width: 18px;
  height: 18px;
  accent-color: var(--qc-ink);
  vertical-align: middle;
  margin: 0 10px 0 0;
}
.qc-calculator .qc-extra-price {
  font-size: 12px;
  color: var(--qc-muted);
}
.qc-calculator .qc-total {
  font-size: 40px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.04em;
  color: var(--qc-ink);
  margin: 24px 0 8px;
}
.qc-calculator .qc-breakdown {
  padding: 20px 0 0;
  margin: 24px 0;
  border-top: 1px solid var(--qc-line);
}
.qc-calculator .qc-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  font-size: 13px;
  line-height: 1.5;
}
.qc-calculator .qc-row dt {
  color: var(--qc-muted);
  font-weight: 400;
}
.qc-calculator .qc-row dd {
  margin: 0;
  text-align: right;
  flex-shrink: 0;
}
.qc-calculator .qc-total-row {
  border-top: 1px solid var(--qc-line);
  margin-top: 12px;
  padding-top: 16px;
  font-weight: 600;
}
.qc-calculator .qc-button {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border: 1px solid var(--qc-ink);
  border-radius: 6px;
  background: var(--qc-ink);
  color: var(--qc-surface);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;
  transition: background-color 0.15s;
}
.qc-calculator .qc-button:hover {
  background: #45453e;
  color: #fff;
}
.qc-calculator :is(input, select, .qc-button):focus-visible {
  outline: 2px solid var(--qc-ink);
  outline-offset: 3px;
}
@media (max-width: 767px) {
  .qc-calculator .qc-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .qc-calculator .qc-panel {
    padding: 24px;
  }
  .qc-calculator .qc-title {
    font-size: 28px;
  }
  .qc-calculator .qc-row {
    flex-wrap: wrap;
  }
}
@media (prefers-reduced-motion: reduce) {
  .qc-calculator .qc-button {
    transition: none;
  }
}

.qc-calculator .qc-field input[type='range'] {
  width: 100%;
  accent-color: var(--qc-ink);
  margin: 12px 0;
}
.qc-calculator .qc-quantity-value {
  display: block;
  color: var(--qc-muted);
  font-size: 13px;
}