/* ==========================================================================
   CALCOLATORE DI RISPARMIO COMMISSIONI & COSTI OPERATIVI
   Layout pulito, margini bilanciati e prospetto matematico trasparente
   ========================================================================== */

.simulator-section {
  background: var(--color-surface-bg);
  position: relative;
}

.simulator-wrapper {
  background: var(--color-surface-white);
  border: var(--border-thick);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-brutal-lg);
  padding: var(--space-xl);
  position: relative;
  width: 100%;
  box-sizing: border-box;
}

/* Category Tabs */
.sim-tabs {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid #E2E8F0;
  padding-bottom: var(--space-md);
}

.sim-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--color-surface-tint);
  border: 1.5px solid #CBD5E1;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--color-ink-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sim-tab-btn:hover {
  color: var(--color-ink);
  border-color: var(--color-ink);
  background: #FFFFFF;
}

.sim-tab-btn.active {
  background: var(--color-ink);
  color: #FFFFFF;
  border-color: var(--color-ink);
  box-shadow: var(--shadow-brutal-sm);
}

/* Simulator Grid Layout */
.sim-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: var(--space-xl);
  align-items: stretch;
}

/* Sliders Control Panel */
.sim-controls {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-lg);
  background: var(--color-surface-tint);
  border: 1.5px solid #CBD5E1;
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-sizing: border-box;
}

.sim-control-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sim-control-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.sim-label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  line-height: 1.3;
  color: var(--color-ink);
}

.sim-value-badge {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.95rem;
  padding: 4px 10px;
  background: #FFFFFF;
  border: 1.5px solid var(--color-ink);
  border-radius: var(--radius-sm);
  box-shadow: 2px 2px 0 var(--color-ink);
  white-space: nowrap;
  flex-shrink: 0;
}

.sim-control-hint {
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--color-ink-light);
}

/* Range Slider */
.sim-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  background: #CBD5E1;
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
}

.sim-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  background: var(--color-amber);
  border: 2px solid var(--color-ink);
  border-radius: 50%;
  box-shadow: 1px 1px 0 var(--color-ink);
  cursor: grab;
  transition: transform 0.1s;
}

.sim-slider::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.12);
}

.sim-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  background: var(--color-amber);
  border: 2px solid var(--color-ink);
  border-radius: 50%;
  box-shadow: 1px 1px 0 var(--color-ink);
  cursor: grab;
}

/* Results Breakdown Panel */
.sim-results {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-md);
}

.calc-breakdown-card {
  background: #FFFFFF;
  border: var(--border-thick);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-brutal);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.calc-breakdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: var(--space-sm);
  border-bottom: 1.5px solid #E2E8F0;
}

.calc-breakdown-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-ink);
}

.calc-rows-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.calc-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px dashed #CBD5E1;
}

.calc-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.calc-row-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.calc-row-label {
  font-weight: 800;
  font-size: 0.94rem;
  color: var(--color-ink);
}

.calc-row-formula {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--color-ink-light);
}

.calc-row-value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  color: #059669;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Total Impact Banner */
.sim-impact-banner {
  background: #ECFDF5;
  border: var(--border-thick);
  border-color: #059669;
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-brutal);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  box-sizing: border-box;
}

.sim-impact-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sim-impact-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #065F46;
}

.sim-impact-total {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-ink);
}

.sim-impact-text p {
  color: var(--color-ink-muted);
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.4;
}

@media (max-width: 900px) {
  .sim-grid {
    grid-template-columns: 1fr;
  }
  .sim-impact-banner {
    flex-direction: column;
    align-items: stretch;
  }
  .sim-impact-banner .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .simulator-wrapper {
    padding: 18px 14px;
  }
  .sim-controls,
  .calc-breakdown-card,
  .sim-impact-banner {
    padding: 16px 14px;
  }
  .sim-tabs {
    gap: 8px;
    margin-bottom: var(--space-md);
  }
  .sim-tab-btn {
    flex: 1 1 calc(50% - 8px);
    justify-content: center;
    font-size: 0.82rem;
    padding: 9px 8px;
    text-align: center;
  }
  .calc-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .sim-impact-total {
    font-size: 1.55rem;
  }
}