#lv-c1v1-calculator {
  font-family: var(--lv-font);
  color: var(--lv-navy);
  line-height: 1.5;
  background: #ffffff;
}

#lv-c1v1-calculator * {
  box-sizing: border-box;
}

#lv-c1v1-calculator .lv-calc-header {
  margin: 22px auto 24px;
}

#lv-c1v1-calculator .lv-calc-header h1 {
  margin-bottom: 0;
}

#lv-c1v1-calculator .lv-calc-header h1 sub,
#lv-c1v1-calculator .lv-equation sub {
  font-size: 0.62em;
}

#lv-c1v1-calculator .lv-calc-header p {
  max-width: 860px;
  font-size: 15px;
  line-height: 1.6;
}

#lv-c1v1-calculator .lv-hero-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 12px auto 18px;
}

#lv-c1v1-calculator .lv-hero-divider-line {
  display: block;
  width: 50px;
  height: 2px;
  border-radius: 999px;
  background: var(--lv-blue);
  opacity: 0.28;
}

#lv-c1v1-calculator .lv-hero-divider-icon {
  width: 40px;
  height: 40px;
  color: var(--lv-blue);
}

#lv-c1v1-calculator .lv-hero-divider-icon path,
#lv-c1v1-calculator .lv-hero-divider-icon circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#lv-c1v1-calculator .lv-hero-divider-icon circle {
  fill: rgba(45, 108, 223, 0.14);
}

#lv-c1v1-calculator .lv-calculator-panel {
  padding: 20px 24px;
}

#lv-c1v1-calculator .lv-setup-guidance {
  margin: -4px 0 16px;
  font-size: 14px;
}

#lv-c1v1-calculator .lv-input-grid,
#lv-c1v1-calculator .lv-optional-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

#lv-c1v1-calculator .lv-span-full {
  grid-column: 1 / -1;
}

#lv-c1v1-calculator .lv-field {
  min-width: 0;
  margin-bottom: 0;
}

#lv-c1v1-calculator .lv-input-select-group .lv-select {
  width: 96px !important;
  min-width: 96px;
}

#lv-c1v1-calculator .lv-attached-unit {
  min-width: 44px !important;
}

#lv-c1v1-calculator .lv-optional-details {
  margin-top: 2px;
  padding: 12px 14px;
  border: 1px solid var(--lv-border);
  border-radius: 12px;
  background: #fbfdff;
}

#lv-c1v1-calculator .lv-optional-details summary {
  color: var(--lv-navy);
  cursor: pointer;
  font-weight: 800;
}

#lv-c1v1-calculator .lv-optional-grid {
  grid-template-columns: minmax(220px, 320px) minmax(260px, 1fr);
  align-items: start;
  gap: 12px 20px;
  margin-top: 12px;
}

#lv-c1v1-calculator .lv-checkbox-field {
  padding-top: 2px;
}

#lv-c1v1-calculator .lv-checkbox-row {
  display: inline-flex;
  align-items: flex-start;
  gap: 9px;
  margin-top: 2px;
  color: var(--lv-navy);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
  cursor: pointer;
}

#lv-c1v1-calculator .lv-checkbox-row input {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 2px 0 0;
  accent-color: var(--lv-blue);
}

#lv-c1v1-calculator #lv-validation-output .lv-error {
  margin-top: 14px;
}

#lv-c1v1-calculator .lv-interpretation,
#lv-c1v1-calculator .lv-intermediate-output {
  margin-top: 14px;
  padding: 16px;
  border: 1px solid rgba(45, 108, 223, 0.3);
  border-left: 5px solid var(--lv-blue);
  border-radius: 12px;
  background: var(--lv-blue-soft);
  color: var(--lv-navy);
  line-height: 1.65;
}

#lv-c1v1-calculator .lv-interpretation strong,
#lv-c1v1-calculator .lv-intermediate-output strong {
  display: block;
  margin-bottom: 4px;
}

#lv-c1v1-calculator .lv-warning-review {
  border-color: rgba(3, 33, 56, 0.34);
  background: #f8fbff;
  color: var(--lv-navy);
}

#lv-c1v1-calculator .lv-dilution-summary {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid var(--lv-border);
  border-radius: 12px;
  background: #fbfdff;
  color: var(--lv-navy);
  line-height: 1.65;
}

#lv-c1v1-calculator .lv-c1v1-formula-box {
  max-width: 780px;
  padding: 18px 20px;
  border-left-width: 0;
}

#lv-c1v1-calculator .lv-primary-equation {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-bottom: 12px;
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--lv-blue-soft);
  color: var(--lv-navy);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
}

#lv-c1v1-calculator .lv-c1v1-formula-box p {
  margin: 0;
  max-width: 680px;
  line-height: 1.65;
}

#lv-c1v1-calculator .lv-c1v1-formula-box p + p {
  margin-top: 8px;
}

#lv-c1v1-calculator .lv-formula-note {
  color: var(--lv-muted);
  font-size: 14px;
}

#lv-c1v1-calculator .lv-formula-reference {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid #e7eef6;
}

#lv-c1v1-calculator .lv-formula-reference summary {
  color: var(--lv-navy);
  cursor: pointer;
  font-weight: 800;
}

#lv-c1v1-calculator .lv-formula-reference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
  margin-top: 12px;
}

#lv-c1v1-calculator .lv-formula-reference-grid div {
  min-width: 0;
  padding: 8px 10px;
  border-radius: 10px;
  background: #ffffff;
  color: var(--lv-navy);
  font-size: 14px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

#lv-c1v1-calculator .lv-meta-section {
  max-width: var(--lv-max-width);
  margin: 34px auto 8px;
  padding-top: 18px;
  border-top: 1px solid #e5e7eb;
}

#lv-c1v1-calculator .lv-meta-section p {
  margin: 0;
  color: #7a8491;
  font-size: 13px;
  line-height: 1.65;
}

@media (max-width: 850px) {
  #lv-c1v1-calculator .lv-calculator-panel {
    padding: 18px;
  }

  #lv-c1v1-calculator .lv-input-grid {
    grid-template-columns: 1fr;
  }

  #lv-c1v1-calculator .lv-optional-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  #lv-c1v1-calculator .lv-export-value {
    text-align: left;
  }

  #lv-c1v1-calculator .lv-span-full {
    grid-column: auto;
  }

  #lv-c1v1-calculator .lv-c1v1-formula-box {
    padding: 16px;
  }

  #lv-c1v1-calculator .lv-primary-equation {
    width: 100%;
    font-size: 22px;
  }

  #lv-c1v1-calculator .lv-formula-reference-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  #lv-c1v1-calculator .lv-input-select-group .lv-select {
    width: 86px !important;
    min-width: 86px;
  }
}