.calc-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  align-items: start;
}

@media (max-width: 800px) {
  .calc-layout {
    grid-template-columns: 1fr;
  }
}

.calc-panel {
  background: #ffffff;
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.07);
}

.calc-panel-sticky {
  position: sticky;
  top: 80px;
}

.calc-panel-title {
  font-size: 1rem;
  font-weight: 700;
  color: #153d64;
  margin: 0 0 1.5rem 0;
  padding-bottom: 0.875rem;
  border-bottom: 2px solid #eeeeee;
}

.field-section {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #9aa5b1;
  margin: 0.75rem 0 0.375rem 0;
}

.field-section:first-of-type {
  margin-top: 0;
}

.field {
  margin-bottom: 0.5rem;
}

.field label {
  display: block;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
}

.field input,
.field select {
  width: 100%;
  padding: 0.575rem 0.875rem;
  border: 1.5px solid #d4dbe3;
  border-radius: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.925rem;
  color: #1a1a1a;
  background: #ffffff;
  box-sizing: border-box;
  transition: border-color 0.15s ease;
  appearance: none;
  -webkit-appearance: none;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: #153d64;
  box-shadow: 0 0 0 3px rgba(21, 61, 100, 0.08);
}

.field input::placeholder {
  color: #b0bac5;
}

.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23153d64' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.field-derived {
  display: flex;
  align-items: center;
  padding: 0.575rem 0.875rem;
  background: #f6f6f6;
  border: 1.5px solid transparent;
  border-radius: 8px;
  font-size: 0.925rem;
  color: #555;
}

.field-derived strong {
  color: #153d64;
  font-weight: 700;
  margin-left: 0.25rem;
}

.output-hero {
  background: #153d64;
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
  margin-bottom: 1.25rem;
}

.output-hero-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.625rem;
}

.output-hero-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  letter-spacing: -0.01em;
}

.output-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.output-item {
  background: #f6f6f6;
  border-radius: 9px;
  padding: 0.75rem 0.625rem;
  text-align: center;
}

.output-item-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #9aa5b1;
  margin-bottom: 0.4rem;
}

.output-item-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: #153d64;
}

.output-note {
  font-size: 0.8rem;
  color: #9aa5b1;
  text-align: center;
  line-height: 1.55;
  margin: 0;
}