.investment-calculator {
  --calc-ink: #14221b;
  --calc-muted: #647169;
  --calc-card: #fffdf8;
  --calc-green: #174d34;
  --calc-green-light: #2d7651;
  --calc-gold: #b58a3a;
  --calc-line: #d9d5ca;
  color: var(--calc-ink);
}

.calculator-page-layout {
  grid-template-columns: minmax(0, 1fr);
  width: min(100% - 2rem, var(--max-width));
}

.calculator-page-layout .static-page-primary,
.calculator-page-layout .article-content {
  width: 100%;
  min-width: 0;
}

.calculator-intro {
  max-width: 760px;
  margin-bottom: 26px;
}

.calculator-intro p {
  color: var(--calc-muted);
}

.calculator-grid {
  display: grid;
  grid-template-columns: minmax(320px, 410px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.calculator-panel {
  background: var(--calc-card);
  border: 1px solid var(--calc-line);
  border-radius: 14px;
  box-shadow: 0 12px 34px rgba(25, 43, 34, 0.08);
}

.calculator-controls {
  padding: 24px;
  position: sticky;
  top: 20px;
}

.calculator-panel-title {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 1.25rem;
}

.calculator-panel-intro {
  margin: 0 0 22px;
  color: var(--calc-muted);
  font-size: 0.86rem;
}

.calculator-field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px 12px;
}

.calculator-field {
  min-width: 0;
}

.calculator-field-full,
.calculator-divider,
.calculator-section-label {
  grid-column: 1 / -1;
}

.calculator-field label {
  display: block;
  margin-bottom: 7px;
  color: #3d4a43;
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 700;
}

.calculator-input-wrap {
  position: relative;
}

.calculator-input-prefix,
.calculator-input-suffix {
  position: absolute;
  top: 50%;
  color: var(--calc-muted);
  font-family: var(--sans);
  font-size: 0.84rem;
  transform: translateY(-50%);
  pointer-events: none;
}

.calculator-input-prefix {
  left: 12px;
}

.calculator-input-suffix {
  right: 12px;
}

.investment-calculator input,
.investment-calculator select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  color: var(--calc-ink);
  background: #fff;
  border: 1px solid #cfcfc8;
  border-radius: 7px;
  font-family: var(--sans);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.calculator-has-prefix input {
  padding-left: 38px;
}

.calculator-has-suffix input {
  padding-right: 36px;
}

.investment-calculator input:focus,
.investment-calculator select:focus {
  border-color: var(--calc-green-light);
  box-shadow: 0 0 0 3px rgba(45, 118, 81, 0.13);
}

.calculator-divider {
  height: 1px;
  margin-top: 3px;
  background: var(--calc-line);
}

.calculator-section-label {
  margin: 0;
  color: var(--calc-green);
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.calculator-actions {
  display: flex;
  gap: 9px;
  margin-top: 22px;
}

.calculator-button {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-family: var(--sans);
  font-weight: 700;
  cursor: pointer;
}

.calculator-button-primary {
  flex: 1;
  color: #fff;
  background: var(--calc-green);
}

.calculator-button-primary:hover {
  background: #0e3d28;
}

.calculator-button-secondary {
  color: var(--calc-green);
  background: transparent;
  border-color: #b9c7bc;
}

.calculator-results {
  padding: 26px;
}

.calculator-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 11px;
  margin-bottom: 26px;
}

.calculator-summary-card {
  min-width: 0;
  padding: 16px;
  background: #f7f6f0;
  border: 1px solid #e1ded4;
  border-radius: 10px;
}

.calculator-summary-card.is-best {
  color: #fff;
  background: var(--calc-green);
  border-color: var(--calc-green);
}

.calculator-summary-label {
  margin: 0 0 7px;
  color: var(--calc-muted);
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.is-best .calculator-summary-label,
.is-best .calculator-summary-detail {
  color: #c8ddd0;
}

.calculator-summary-value {
  display: block;
  overflow: hidden;
  font-family: var(--serif);
  font-size: clamp(0.98rem, 2vw, 1.4rem);
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calculator-summary-detail {
  display: block;
  margin-top: 4px;
  color: var(--calc-muted);
  font-family: var(--sans);
  font-size: 0.7rem;
}

.calculator-chart-head {
  margin-bottom: 18px;
}

.calculator-chart-head h2 {
  margin-bottom: 3px;
  font-size: 1.15rem;
}

.calculator-chart-head p {
  margin: 0;
  color: var(--calc-muted);
  font-size: 0.8rem;
}

.calculator-chart {
  display: grid;
  gap: 13px;
  margin-bottom: 30px;
}

.calculator-bar-row {
  display: grid;
  grid-template-columns: 126px minmax(100px, 1fr) 112px;
  gap: 11px;
  align-items: center;
  font-family: var(--sans);
}

.calculator-bar-name,
.calculator-bar-value {
  font-size: 0.76rem;
  font-weight: 700;
}

.calculator-bar-track {
  height: 22px;
  overflow: hidden;
  background: #eceae2;
  border-radius: 4px;
}

.calculator-bar-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--calc-green), var(--calc-green-light));
  border-radius: 4px;
  transition: width 0.5s ease;
}

.calculator-bar-row:first-child .calculator-bar-fill {
  background: linear-gradient(90deg, #9b7127, #c9a550);
}

.calculator-bar-value {
  text-align: right;
}

.calculator-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--calc-line);
  border-radius: 9px;
}

.calculator-table {
  width: 100%;
  min-width: 640px;
  margin: 0;
  border-collapse: collapse;
}

.calculator-table th,
.calculator-table td {
  padding: 12px 13px;
  border-bottom: 1px solid var(--calc-line);
  font-family: var(--sans);
  font-size: 0.75rem;
  text-align: right;
}

.calculator-table th:first-child,
.calculator-table td:first-child {
  text-align: left;
}

.calculator-table th {
  color: var(--calc-muted);
  background: #f1f0e9;
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.calculator-table tr:last-child td {
  border-bottom: 0;
}

.calculator-table tbody tr:first-child td {
  color: var(--calc-green);
  font-weight: 700;
}

.calculator-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  color: #5f665f;
  background: #f4f1e8;
  border-left: 3px solid var(--calc-gold);
  font-family: var(--sans);
  font-size: 0.73rem;
}

.calculator-error {
  display: none;
  margin: 0 0 17px;
  padding: 10px 12px;
  color: #9a3f35;
  background: #fff0ed;
  border: 1px solid #eac6bf;
  border-radius: 7px;
  font-family: var(--sans);
  font-size: 0.77rem;
}

@media (max-width: 960px) {
  .calculator-grid {
    grid-template-columns: 1fr;
  }

  .calculator-controls {
    position: static;
  }
}

@media (max-width: 620px) {
  .calculator-page-layout {
    width: min(100% - 1rem, var(--max-width));
  }

  .calculator-field-grid,
  .calculator-summary-grid {
    grid-template-columns: 1fr;
  }

  .calculator-field-full,
  .calculator-divider,
  .calculator-section-label {
    grid-column: auto;
  }

  .calculator-controls,
  .calculator-results {
    padding: 19px;
  }

  .calculator-bar-row {
    grid-template-columns: 92px 1fr;
    gap: 8px;
  }

  .calculator-bar-value {
    grid-column: 2;
    margin-top: -5px;
    color: var(--calc-muted);
    text-align: left;
  }
}