.calc-card {
  --calc-primary: #d97706;
  --calc-primary-hover: #b45309;
  --calc-bg: #ffffff;
  --calc-surface: #fffbeb;
  --calc-border: #fde68a;
  --calc-text: #1e293b;
  --calc-text-muted: #64748b;
  background: var(--calc-bg);
  border: 1px solid var(--calc-border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 4px 20px -2px rgba(217, 119, 6, 0.08);
}

.calc-card__header {
  margin-bottom: 20px;
}

.calc-card__badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--calc-primary);
  background: rgba(217, 119, 6, 0.12);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 8px;
}

.calc-card__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--calc-text);
  margin: 0 0 8px 0;
}

.calc-card__desc {
  font-size: 15px;
  color: var(--calc-text-muted);
  margin: 0;
}

.calc-presets {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  padding: 12px 16px;
  background: var(--calc-surface);
  border-radius: 10px;
}

.calc-presets__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--calc-text-muted);
}

.calc-presets__btn {
  font-size: 13px;
  font-weight: 500;
  background: #fff;
  border: 1px solid var(--calc-border);
  border-radius: 6px;
  padding: 6px 12px;
  color: var(--calc-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.calc-presets__btn:hover {
  border-color: var(--calc-primary);
  color: var(--calc-primary);
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.calc-field {
  display: flex;
  flex-direction: column;
}

.calc-field__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--calc-text);
  margin-bottom: 6px;
}

.calc-field__input,
.calc-field__select {
  height: 44px;
  border: 1px solid var(--calc-border);
  border-radius: 8px;
  padding: 0 12px;
  font-size: 15px;
  color: var(--calc-text);
  background: #fff;
  outline: none;
  transition: border-color 0.2s;
}

.calc-field__input:focus,
.calc-field__select:focus {
  border-color: var(--calc-primary);
}

.calc-results {
  background: var(--calc-surface);
  border: 1px solid var(--calc-border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

.calc-results__main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--calc-border);
  text-align: center;
}

.calc-results__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--calc-text-muted);
}

.calc-results__price {
  font-size: 34px;
  font-weight: 800;
  color: var(--calc-primary);
  line-height: 1.2;
  margin: 4px 0;
}

.calc-results__unit {
  font-size: 15px;
  font-weight: 600;
  color: var(--calc-text-muted);
}

.calc-breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.calc-breakdown__item {
  display: flex;
  flex-direction: column;
  font-size: 13px;
  color: var(--calc-text-muted);
}

.calc-breakdown__item strong {
  font-size: 15px;
  color: var(--calc-text);
  font-weight: 600;
  margin-top: 2px;
}

.calc-actions {
  display: flex;
  justify-content: center;
}

.calc-actions__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--calc-primary);
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 10px;
  text-decoration: none;
  transition: background 0.2s;
}

.calc-actions__btn:hover {
  background: var(--calc-primary-hover);
}