.chiller-calculator {
  display: block;
}
[data-calculator] .calculator-surface {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 238px;
  gap: 20px;
  height: 270px;
  padding: 18px;
  border: 1px solid #d9e2e8;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 8px 28px #304b5b08;
}
.calculator-fields {
  min-width: 0;
}
.calculator-fields .calc-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: 100%;
  height: 36px;
  margin: 0 0 12px;
  padding: 3px;
  border: 0;
  border-radius: 9px;
  background: #edf2f5;
}
.calculator-fields .calc-tabs button {
  min-height: 0;
  padding: 4px 8px;
  border: 0;
  border-radius: 7px;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.2;
  background: transparent;
  color: #647581;
}
.calculator-fields .calc-tabs button[aria-selected="true"] {
  background: #fff;
  color: #1975be;
  box-shadow: 0 1px 5px #304b5b16;
}
.calculator-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  height: 182px;
}
.calculator-group {
  min-width: 0;
  padding: 10px;
  border: 1px solid #e3e9ed;
  border-radius: 10px;
  background: #f8fafb;
}
.calculator-group-title {
  margin: 0 0 10px;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
  color: #40515e;
}
.calculator-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 90px;
  gap: 8px;
  align-items: center;
  min-height: 38px;
  margin: 0 0 5px;
  font-size: 0.875rem;
  line-height: 1.2;
  color: #4d606e;
}
.calculator-field[hidden],
.calculator-group[hidden] {
  display: none;
}
.calculator-caption {
  min-width: 0;
}
.calculator-caption small {
  display: block;
  margin-top: 2px;
  color: #7b8992;
  font-size: 0.75rem;
  line-height: 1.2;
}
[data-calculator] .calculator-field input[data-input],
[data-calculator] .calculator-field select {
  width: 90px;
  min-width: 0;
  min-height: 32px;
  height: 32px;
  margin: 0;
  padding: 4px 7px;
  border: 1px solid #ccd8e0;
  border-radius: 7px;
  background: #fff;
  color: #263e4e;
  font-size: 0.875rem;
  line-height: 1.2;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}
[data-calculator] .calculator-field input:focus,
[data-calculator] .calculator-field select:focus {
  border-color: #1975be;
  outline: 0;
  box-shadow: 0 0 0 3px #1975be18;
}
[data-calculator] .calculator-field input[readonly] {
  color: #6c7c87;
  background: #f1f5f7;
}
.calculator-answer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  position: relative;
}
.calculator-output {
  flex: 1;
  padding: 16px 18px;
  border: 1px solid #dbe9f3;
  border-radius: 12px;
  background: #f0f7fc;
}
.calculator-output-label {
  font-size: 0.8125rem;
  color: #5f798c;
}
.calculator-output-value {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 8px 0 14px;
  color: #1975be;
}
.calculator-output-value b {
  font-size: 2.3rem;
  line-height: 1;
  letter-spacing: -0.04em;
}
.calculator-output-value > span {
  font-size: 1rem;
}
.calculator-breakdown {
  margin: 0;
  display: grid;
  gap: 8px;
}
.calculator-breakdown div {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.8125rem;
}
.calculator-breakdown dt {
  color: #6b8191;
}
.calculator-breakdown dd {
  margin: 0;
  font-weight: 600;
  color: #415f74;
}
.calculator-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.calculator-actions .btn {
  min-width: 0;
  min-height: 44px;
  padding: 6px 8px;
  margin: 0;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.2;
}
.calculator-actions .btn:first-child {
  background: #1975be;
  border-color: #1975be;
  color: #fff;
}
.calculator-actions .btn:first-child:hover {
  background: #145f9b;
}
.calculator-answer #calc-error {
  position: absolute;
  z-index: 2;
  inset: auto 0 54px;
  padding: 8px;
  margin: 0;
  border: 1px solid #f1c9c4;
  border-radius: 8px;
  background: #fff1ee;
  color: #963d31;
  font-size: 0.8125rem;
}
@media (max-width: 1100px) and (min-width: 761px) {
  [data-calculator] .calculator-surface {
    grid-template-columns: minmax(0, 1fr) 190px;
    gap: 14px;
  }
  .calculator-field {
    grid-template-columns: minmax(0, 1fr) 74px;
    gap: 4px;
  }
  [data-calculator] .calculator-field input[data-input],
  [data-calculator] .calculator-field select {
    width: 74px;
  }
  .calculator-group {
    padding: 8px;
  }
  .calculator-group-title {
    font-size: 0.8125rem;
  }
  .calculator-field {
    font-size: 0.8125rem;
  }
}
@media (max-width: 760px) {
  [data-calculator] .calculator-surface {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 70px;
    gap: 8px;
    height: 322px;
    padding: 12px;
    border-radius: 14px;
  }
  .calculator-fields .calc-tabs {
    height: 34px;
    margin-bottom: 8px;
  }
  .calculator-fields .calc-tabs button {
    font-size: 0.8125rem;
    padding: 4px;
  }
  .calculator-groups {
    display: flex;
    flex-direction: column;
    gap: 5px;
    height: auto;
  }
  .calculator-group {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    padding: 3px 7px;
    border-radius: 7px;
  }
  .calculator-group-title {
    display: none;
  }
  .calculator-field {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
    gap: 2px;
    height: 43px;
    min-height: 0;
    margin: 0;
    font-size: 0.75rem;
  }
  .calculator-caption {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 2px;
    white-space: nowrap;
  }
  .calculator-caption small {
    margin: 0;
    font-size: 0.75rem;
  }
  [data-calculator] .calculator-field input[data-input],
  [data-calculator] .calculator-field select {
    width: min(100%, 90px);
    height: 26px;
    min-height: 26px;
    padding: 2px 4px;
    font-size: 0.8125rem;
    border-radius: 5px;
  }
  .calculator-fluid .calculator-field {
    height: 52px;
  }
  .calculator-fluid .calculator-caption {
    display: block;
    white-space: normal;
  }
  .calculator-fluid .calculator-caption small {
    font-size: 0.75rem;
    line-height: 1.05;
  }
  .calculator-answer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 112px;
    gap: 8px;
  }
  .calculator-output {
    padding: 8px 10px;
    border-radius: 8px;
    min-width: 0;
  }
  .calculator-output-label {
    font-size: 0.75rem;
  }
  .calculator-output-value {
    margin: 5px 0 0;
  }
  .calculator-output-value b {
    font-size: 1.65rem;
  }
  .calculator-output-value > span {
    font-size: 0.875rem;
  }
  .calculator-breakdown {
    display: none;
  }
  .calculator-actions {
    grid-template-columns: 1fr;
    gap: 5px;
  }
  .calculator-actions .btn {
    min-height: 0;
    height: 32px;
    font-size: 0.75rem;
    padding: 3px 5px;
  }
  .calculator-answer #calc-error {
    inset: auto 0 0;
  }
}
@media (max-width: 370px) {
  .calculator-group {
    padding-inline: 4px;
    gap: 4px;
  }
  .calculator-caption {
    display: block;
  }
  .calculator-caption small {
    display: inline;
    margin-left: 3px;
  }
  .calculator-fluid .calculator-caption small {
    display: block;
    margin-left: 0;
  }
}

@media (min-width: 761px) {
  .calculator-groups {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.12fr);
  }
  .calculator-field {
    grid-template-columns: minmax(0, 1fr) 190px;
    margin-bottom: 3px;
  }
  .calculator-group-title {
    margin-bottom: 6px;
  }
  .calculator-caption {
    overflow-wrap: anywhere;
    font-size: 0.8125rem;
  }
  [data-calculator] .calculator-field input[data-input],
  [data-calculator] .calculator-field select {
    width: 190px;
  }
}
@media (min-width: 761px) and (max-width: 1250px) {
  [data-calculator] .calculator-surface {
    height: 344px;
  }
  .calculator-groups {
    height: 258px;
  }
  .calculator-field {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
    min-height: 0;
    height: 62px;
    gap: 2px;
  }
  [data-calculator] .calculator-field input[data-input],
  [data-calculator] .calculator-field select {
    width: min(100%, 190px);
  }
}
@media (min-width: 761px) and (max-width: 1100px) {
  [data-calculator] .calculator-field input[data-input],
  [data-calculator] .calculator-field select {
    width: min(100%, 174px);
  }
}