/* === Base calculator layout === */
.calc {
  max-width: 420px;
  padding: 16px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-family: system-ui, sans-serif;
}

.calc__title {
  margin-top: 0;
}

.calc__section {
  margin-bottom: 16px;
}

.calc__subtitle {
  margin-bottom: 6px;
}

.calc__label {
  display: block;
}

.calc__input {
  width: 100%;
  padding: 6px;
  margin-top: 4px;
}

.calc__result {
  margin-top: 6px;
}

.calc__divider {
  margin: 16px 0;
}

.calc__disclaimer {
  font-size: 0.85em;
  color: #666;
}

.calc__copy {
  margin-left: 10px;
  padding: 4px 10px;
  font-size: 0.85em;
  line-height: 1.2;
  border: 1px solid #d8d8d8;
  border-radius: 6px;
  background: #f7f7f7;
  color: #222;
  cursor: pointer;
}

.calc__copy:hover {
  background: #efefef;
}

.calc__copy:active {
  transform: translateY(1px);
}

.calc__copy:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}