/**
 * ماشین‌حساب بازگشت سرمایه — service-calculator
 */

.service-calculator {
  --sc-bg: #0c1018;
  --sc-accent: #3cc3d0;
  --sc-accent-deep: #2aa8b4;
  --sc-track: rgba(255, 255, 255, 0.22);
  --sc-text: #f4f7fb;
  --sc-muted: rgba(244, 247, 251, 0.72);
  --sc-result-text: #0c1018;
  box-sizing: border-box;
  direction: rtl;
  min-width: 0;
  width: 100%;
}

.service-calculator__shell {
  box-sizing: border-box;
  display: grid;
  gap: var(--space-5);
  padding: clamp(var(--space-5), 4vw, var(--space-8));
  border-radius: var(--radius-lg);
  background-color: var(--sc-bg);
}

.service-calculator__controls {
  display: grid;
  gap: var(--space-5);
  min-width: 0;
}

.service-calculator__title {
  margin: 0;
  font-family: var(--font-primary);
  font-size: clamp(1.125rem, 3.2vw, 1.375rem);
  font-weight: 800;
  line-height: 1.45;
  text-align: right;
  color: var(--sc-text);
}

.service-calculator__lead {
  margin: 0;
  font-family: var(--font-primary);
  font-size: clamp(0.8125rem, 2.4vw, 0.9375rem);
  font-weight: 400;
  line-height: 1.75;
  text-align: right;
  color: var(--sc-muted);
}

.service-calculator__field {
  display: grid;
  gap: var(--space-3);
  min-width: 0;
}

.service-calculator__label {
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.45;
  text-align: right;
  color: var(--sc-text);
}

.service-calculator__range {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  height: 1.25rem;
  margin: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
}

.service-calculator__range:focus {
  outline: none;
}

.service-calculator__range:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 3px rgba(60, 195, 208, 0.35);
}

.service-calculator__range:focus-visible::-moz-range-thumb {
  box-shadow: 0 0 0 3px rgba(60, 195, 208, 0.35);
}

.service-calculator__range::-webkit-slider-runnable-track {
  height: 2px;
  border-radius: 999px;
  background-color: var(--sc-track);
}

.service-calculator__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1.125rem;
  height: 1.125rem;
  margin-top: -0.5rem;
  border: 0;
  border-radius: 50%;
  background-color: var(--sc-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  transition: transform 0.12s ease;
}

.service-calculator__range:active::-webkit-slider-thumb {
  transform: scale(1.08);
}

.service-calculator__range::-moz-range-track {
  height: 2px;
  border-radius: 999px;
  background-color: var(--sc-track);
}

.service-calculator__range::-moz-range-thumb {
  width: 1.125rem;
  height: 1.125rem;
  border: 0;
  border-radius: 50%;
  background-color: var(--sc-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.service-calculator__value {
  margin: 0;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.4;
  text-align: left;
  color: var(--sc-accent);
}

.service-calculator__result {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 12rem;
  padding: clamp(var(--space-6), 5vw, var(--space-8)) var(--space-5);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--sc-accent) 0%, var(--sc-accent-deep) 100%);
  text-align: center;
}

.service-calculator__result-label {
  margin: 0;
  font-family: var(--font-primary);
  font-size: clamp(0.8125rem, 2.2vw, 0.9375rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--sc-result-text);
}

.service-calculator__result-amount {
  margin: 0;
  font-family: var(--font-primary);
  font-size: clamp(1.75rem, 7vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--sc-result-text);
  transition: transform 0.2s ease;
}

.service-calculator__result.is-updated .service-calculator__result-amount {
  transform: scale(1.03);
}

.service-calculator__result-unit {
  margin: 0 0 var(--space-4);
  font-family: var(--font-primary);
  font-size: clamp(0.8125rem, 2.2vw, 0.9375rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--sc-result-text);
}

.service-calculator__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  margin: 0;
  padding: 0.5rem 0.875rem;
  border-radius: 999px;
  background-color: rgba(12, 16, 24, 0.22);
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--sc-text);
}

.service-calculator__badge-icon {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--sc-text);
}

.service-calculator__badge-icon svg {
  display: block;
}

@media (min-width: 48rem) {
  .service-calculator__shell {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: stretch;
    gap: var(--space-6);
  }

  .service-calculator__controls {
    order: 1;
  }

  .service-calculator__result {
    order: 2;
    min-height: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .service-calculator__result-amount,
  .service-calculator__range::-webkit-slider-thumb {
    transition: none;
  }
}