/*
Calculator CSS - Plafon PVC Jateng
Interactive Material & Installation Cost Estimator
*/

.calculator-wrapper {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  max-width: 980px;
  margin: 0 auto;
}

/* Calculator Tabs Header */
.calc-nav-tabs {
  display: flex;
  background: var(--color-bg-light-alt);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  scrollbar-width: none;
}

.calc-nav-tabs::-webkit-scrollbar {
  display: none;
}

.calc-tab-btn {
  flex: 1;
  min-width: 180px;
  padding: 1.15rem 1.25rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  background: transparent;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
  text-align: center;
  white-space: nowrap;
}

.calc-tab-btn svg,
.calc-tab-btn i {
  color: var(--color-text-muted);
  transition: var(--transition-smooth);
}

@media (hover: hover) and (pointer: fine) {
  .calc-tab-btn:hover {
    color: var(--color-purple-primary);
  }
}

.calc-tab-btn.active {
  color: var(--color-purple-primary);
  background: #ffffff;
  border-bottom-color: var(--color-purple-primary);
}

.calc-tab-btn.active svg,
.calc-tab-btn.active i {
  color: var(--color-purple-primary);
}

/* Tab Panels */
.calc-panel {
  display: none;
  padding: 2.25rem;
}

.calc-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .calc-nav-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 8px;
    padding: 10px 12px;
    background: #f1f5f9;
    border-bottom: 1px solid var(--color-border);
  }
  .calc-nav-tabs::-webkit-scrollbar {
    display: none;
  }
  .calc-tab-btn {
    flex: 1 1 auto;
    min-width: max-content;
    width: auto;
    padding: 0.65rem 0.85rem;
    font-size: 0.825rem;
    font-weight: 700;
    border-radius: var(--border-radius-pill);
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-dark);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    white-space: nowrap;
    gap: 0.4rem;
  }
  .calc-tab-btn.active {
    background: var(--color-purple-primary);
    color: #ffffff;
    border-color: var(--color-purple-primary);
    box-shadow: 0 4px 12px var(--color-purple-glow);
  }
  .calc-tab-btn.active svg,
  .calc-tab-btn.active i {
    color: #ffffff;
  }
  .calc-panel {
    padding: 1.25rem 1rem;
  }
}

/* Grid Layout Inside Calculator */
.calc-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 860px) {
  .calc-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Form Controls */
.calc-form-group {
  margin-bottom: 1.35rem;
}

.calc-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 0.55rem;
}

.calc-label-badge {
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--color-purple-primary);
  background: var(--color-purple-soft);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

/* Stepper Input */
.calc-stepper-box {
  display: flex;
  align-items: center;
  background: var(--color-bg-light-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.calc-stepper-box:focus-within {
  border-color: var(--color-purple-primary);
  outline: 2px solid var(--color-purple-primary);
  outline-offset: -1px;
}

.stepper-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  color: var(--color-text-dark);
  font-size: 1.25rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
  user-select: none;
}

.stepper-btn:hover {
  background: var(--color-purple-primary);
  color: #ffffff;
}

.calc-input {
  flex: 1;
  text-align: center;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.65rem;
  color: var(--color-text-dark);
}

/* Slider Controls */
.calc-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: #e2e8f0;
  outline: none;
  margin: 0.75rem 0;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-purple-primary);
  cursor: pointer;
  box-shadow: 0 2px 8px var(--color-purple-glow);
  transition: var(--transition-smooth);
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: var(--color-purple-hover);
}

/* Radio Pill Group */
.calc-pill-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.calc-pill-label {
  display: block;
  cursor: pointer;
  user-select: none;
}

.calc-pill-label input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.calc-pill-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.75rem 0.5rem;
  background: var(--color-bg-light-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-muted);
  transition: var(--transition-smooth);
}

.calc-pill-sub {
  font-size: 0.725rem;
  font-weight: 500;
  margin-top: 0.2rem;
  opacity: 0.8;
}

.calc-pill-label input[type="radio"]:checked + .calc-pill-btn {
  background: var(--color-purple-primary);
  border-color: var(--color-purple-primary);
  color: #ffffff;
}

.calc-pill-label input[type="radio"]:checked + .calc-pill-btn .calc-pill-sub {
  color: rgba(255, 255, 255, 0.85);
}

/* Length Selector (3m, 4m, 6m) */
.calc-length-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

/* Alert Notification Box */
.calc-alert {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.825rem;
  line-height: 1.5;
  margin-top: 1rem;
}

.calc-alert-warning {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}

.calc-alert-warning svg {
  color: #d97706;
  flex-shrink: 0;
  margin-top: 2px;
}

.calc-alert-info {
  background: var(--color-purple-soft);
  border: 1px solid rgba(8, 54, 193, 0.15);
  color: var(--color-purple-primary);
}

.calc-alert-info svg {
  color: var(--color-purple-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Summary Card Output (MikTunnel Style) */
.calc-summary-card {
  background: var(--color-bg-light-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  position: relative;
}

.calc-summary-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.calc-row-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.65rem;
  font-size: 0.875rem;
}

.calc-row-label {
  color: var(--color-text-muted);
}

.calc-row-val {
  font-weight: 700;
  color: var(--color-text-dark);
}

.calc-total-box {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 1.15rem;
  margin: 1.25rem 0;
  text-align: center;
}

.calc-total-lbl {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.calc-total-price {
  font-size: clamp(1.45rem, 4.5vw + 0.5rem, 2.15rem);
  font-weight: 900;
  color: var(--color-purple-primary);
  line-height: 1.15;
  margin: 0.25rem 0;
  letter-spacing: -0.02em;
}

.calc-total-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.calc-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

@media (max-width: 768px) {
  .calc-summary-card {
    padding: 1.15rem 0.95rem;
    margin-top: 0.5rem;
    border-radius: var(--border-radius-sm);
  }
  .calc-row-item {
    font-size: 0.84rem;
    margin-bottom: 0.55rem;
  }
  .calc-total-price {
    font-size: clamp(1.45rem, 5.5vw, 1.85rem);
  }
  .calc-total-box {
    padding: 0.75rem 0.65rem;
    margin: 0.85rem 0;
  }
  .calc-pill-group {
    gap: 0.4rem;
  }
  .calc-pill-btn {
    padding: 0.65rem 0.4rem;
    font-size: 0.8rem;
  }
  .calc-pill-sub {
    font-size: 0.7rem;
  }
  .calc-length-grid {
    gap: 0.35rem;
  }
  .calc-form-group {
    margin-bottom: 1.1rem;
  }
}