/**
 * SolarCalc Pro - Frontend Stylesheet
 * Clean-Tech Premium Modern Aesthetic
 */

:root {
  --sc-primary: #0284c7;
  --sc-primary-hover: #0369a1;
  --sc-primary-dark: #0f172a;
  --sc-solar-gold: #f59e0b;
  --sc-solar-gold-hover: #d97706;
  --sc-green: #10b981;
  --sc-green-dark: #059669;
  --sc-slate-50: #f8fafc;
  --sc-slate-100: #f1f5f9;
  --sc-slate-200: #e2e8f0;
  --sc-slate-300: #cbd5e1;
  --sc-slate-400: #94a3b8;
  --sc-slate-500: #64748b;
  --sc-slate-600: #475569;
  --sc-slate-700: #334155;
  --sc-slate-800: #1e293b;
  --sc-slate-900: #0f172a;
  --sc-radius-sm: 8px;
  --sc-radius-md: 12px;
  --sc-radius-lg: 16px;
  --sc-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --sc-shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --sc-shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.06);
}

.solar-calc-widget {
  max-width: 1200px;
  margin: 30px auto;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--sc-slate-800);
  background: #ffffff;
  border: 1px solid var(--sc-slate-200);
  border-radius: var(--sc-radius-lg);
  box-shadow: var(--sc-shadow-lg);
  padding: 36px 30px;
  box-sizing: border-box;
  line-height: 1.5;
}

.solar-calc-widget *,
.solar-calc-widget *::before,
.solar-calc-widget *::after {
  box-sizing: border-box;
}

/* Header */
.sc-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 36px auto;
}

.sc-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(2, 132, 199, 0.08);
  color: var(--sc-primary);
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.sc-badge-pulse {
  width: 8px;
  height: 8px;
  background-color: var(--sc-solar-gold);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7);
  animation: scPulse 2s infinite;
}

@keyframes scPulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(245, 158, 11, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.sc-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--sc-slate-900);
  margin: 0 0 10px 0;
  letter-spacing: -0.5px;
}

.sc-desc {
  font-size: 15px;
  color: var(--sc-slate-500);
  margin: 0;
}

/* Layout 2 Cột */
.sc-grid {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 992px) {
  .sc-grid {
    grid-template-columns: 1fr;
  }
}

/* Cột Phải: Trôi theo màn hình (Sticky) trên Desktop khi cuộn nội dung */
@media (min-width: 993px) {
  .sc-col-result {
    position: -webkit-sticky;
    position: sticky;
    top: 85px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-right: 6px;
    margin-right: -6px;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
  }

  body.admin-bar .sc-col-result {
    top: 112px;
    max-height: calc(100vh - 128px);
  }

  .sc-col-result::-webkit-scrollbar {
    width: 6px;
  }
  .sc-col-result::-webkit-scrollbar-track {
    background: transparent;
  }
  .sc-col-result::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 999px;
  }
  .sc-col-result::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
  }
}

/* Các Box Trắng */
.sc-box {
  background: #ffffff;
  border: 1px solid var(--sc-slate-200);
  border-radius: var(--sc-radius-md);
  padding: 22px 20px;
  margin-bottom: 22px;
  box-shadow: var(--sc-shadow-sm);
  transition: border-color 0.2s ease;
}

.sc-box:hover {
  border-color: #cbd5e1;
}

.sc-box-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  position: relative;
}

.sc-step-number {
  width: 32px;
  height: 32px;
  background: var(--sc-primary-dark);
  color: #ffffff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.sc-step-text h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--sc-slate-900);
}

.sc-step-text p {
  margin: 2px 0 0 0;
  font-size: 12px;
  color: var(--sc-slate-500);
}

/* Mode Switch (Dimension vs Area) */
.sc-mode-switch {
  display: flex;
  background: var(--sc-slate-100);
  padding: 4px;
  border-radius: var(--sc-radius-sm);
  margin-bottom: 16px;
  gap: 4px;
}

.sc-mode-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  background: transparent;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--sc-slate-600);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sc-mode-btn.active {
  background: #ffffff;
  color: var(--sc-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Input Fields */
.sc-field {
  margin-bottom: 14px;
}

.sc-field:last-child {
  margin-bottom: 0;
}

.sc-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--sc-slate-700);
  margin-bottom: 6px;
}

.sc-field-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.sc-field-header label {
  margin-bottom: 0;
}

.sc-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.sc-input-wrapper input,
.sc-input,
.sc-select {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  border: 1px solid var(--sc-slate-300);
  border-radius: var(--sc-radius-sm);
  background: #ffffff;
  color: var(--sc-slate-800);
  transition: all 0.2s;
  outline: none;
  font-weight: 500;
}

.sc-input-wrapper input:focus,
.sc-input:focus,
.sc-select:focus {
  border-color: var(--sc-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.sc-input-wrapper .sc-unit {
  position: absolute;
  right: 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--sc-slate-400);
  pointer-events: none;
}

.sc-row-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
}

.sc-calculated-area-hint {
  font-size: 12px;
  color: var(--sc-slate-600);
  background: var(--sc-slate-50);
  padding: 8px 12px;
  border-radius: 6px;
  margin-top: 8px;
  border-left: 3px solid var(--sc-primary);
}

/* Quick Tags */
.sc-quick-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.sc-tag-btn {
  border: 1px solid var(--sc-slate-200);
  background: var(--sc-slate-50);
  color: var(--sc-slate-700);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.sc-tag-btn:hover {
  background: var(--sc-slate-200);
  border-color: var(--sc-slate-300);
}

.sc-tag-btn.active {
  background: var(--sc-primary);
  color: #ffffff;
  border-color: var(--sc-primary);
}

/* Mật độ lắp đặt */
.sc-badge-density {
  background: rgba(245, 158, 11, 0.15);
  color: var(--sc-solar-gold-hover);
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 13px;
}

.sc-density-quick-buttons {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.sc-btn-density {
  flex: 1;
  padding: 7px 6px;
  border: 1px solid var(--sc-slate-200);
  background: var(--sc-slate-50);
  color: var(--sc-slate-700);
  font-weight: 600;
  font-size: 13px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.sc-btn-density:hover {
  background: #e2e8f0;
}

.sc-btn-density.active {
  background: var(--sc-solar-gold);
  color: #ffffff;
  border-color: var(--sc-solar-gold);
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.3);
}

/* Sliders */
.sc-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--sc-slate-200);
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  margin: 10px 0 4px 0;
}

.sc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--sc-primary);
  border: 2px solid #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: transform 0.1s;
}

.sc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.sc-slider-scale {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--sc-slate-400);
}

/* Accordion Advanced Options */
.sc-accordion {
  border-top: 1px solid var(--sc-slate-200);
  margin-top: 18px;
  padding-top: 14px;
}

.sc-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: none;
  background: none;
  padding: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--sc-slate-600);
  cursor: pointer;
}

.sc-accordion-trigger:hover {
  color: var(--sc-primary);
}

.sc-accordion-trigger span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sc-accordion-content {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--sc-slate-200);
}

.sc-tech-notes {
  margin-top: 10px;
  color: var(--sc-slate-500);
  line-height: 1.4;
}

/* Panel Detail Card */
.sc-panel-detail-card {
  background: var(--sc-slate-50);
  border: 1px solid var(--sc-slate-200);
  border-radius: var(--sc-radius-sm);
  padding: 12px 14px;
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 12px;
  font-size: 12px;
}

.sc-panel-detail-item strong {
  color: var(--sc-slate-800);
}

.sc-panel-detail-item span {
  color: var(--sc-slate-500);
  display: block;
}

/* Loan Switch & Radio */
.sc-toggle-switch {
  position: absolute;
  right: 0;
  top: 0;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.sc-toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.sc-toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--sc-slate-300);
  transition: 0.3s;
  border-radius: 24px;
}

.sc-toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
}

.sc-toggle-switch input:checked + .sc-toggle-slider {
  background-color: var(--sc-green);
}

.sc-toggle-switch input:checked + .sc-toggle-slider:before {
  transform: translateX(20px);
}

.sc-radio-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
}

.sc-radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--sc-slate-700);
  cursor: pointer;
}

.sc-radio-label input {
  accent-color: var(--sc-primary);
}

/* =========================================
   CỘT PHẢI: KẾT QUẢ TÍNH TOÁN (METRICS)
   ========================================= */

.sc-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}

@media (max-width: 580px) {
  .sc-metrics-grid {
    grid-template-columns: 1fr;
  }
}

.sc-metric-card {
  background: #ffffff;
  border: 1px solid var(--sc-slate-200);
  border-radius: var(--sc-radius-md);
  padding: 18px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  box-shadow: var(--sc-shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.sc-metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--sc-shadow-md);
}

.sc-metric-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
}

.sc-card-panels::before { background: var(--sc-primary); }
.sc-card-power::before { background: var(--sc-solar-gold); }
.sc-card-yield::before { background: #3b82f6; }
.sc-card-savings::before { background: var(--sc-green); }

.sc-metric-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sc-card-panels .sc-metric-icon { background: rgba(2, 132, 199, 0.1); color: var(--sc-primary); }
.sc-card-power .sc-metric-icon { background: rgba(245, 158, 11, 0.1); color: var(--sc-solar-gold); }
.sc-card-yield .sc-metric-icon { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.sc-card-savings .sc-metric-icon { background: rgba(16, 185, 129, 0.1); color: var(--sc-green); }

.sc-metric-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--sc-slate-500);
  display: block;
  margin-bottom: 4px;
}

.sc-metric-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--sc-slate-900);
  line-height: 1.1;
  margin-bottom: 4px;
}

.sc-metric-value small {
  font-size: 14px;
  font-weight: 600;
  color: var(--sc-slate-500);
}

.sc-text-gold {
  color: #b45309;
}

.sc-metric-sub {
  font-size: 12px;
  color: var(--sc-slate-500);
  font-weight: 500;
  display: block;
}

/* =========================================
   CANVAS BỐ TRÍ MÁI & TẤM PIN
   ========================================= */

.sc-preview-box {
  padding: 18px 20px;
}

.sc-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.sc-preview-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--sc-slate-800);
}

.sc-preview-title h4 {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.sc-preview-legend {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--sc-slate-600);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  display: inline-block;
}

.legend-panel { background: #1e3a8a; border: 1px solid #3b82f6; }
.legend-setback { background: #fee2e2; border: 1px dashed #ef4444; }
.legend-walkway { background: #fef3c7; border: 1px solid #f59e0b; }

.sc-canvas-container {
  width: 100%;
  height: 280px;
  background: #f8fafc;
  border: 1px solid var(--sc-slate-200);
  border-radius: var(--sc-radius-sm);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

#sc-roof-canvas {
  max-width: 100%;
  max-height: 100%;
  display: block;
}

.sc-canvas-overlay {
  position: absolute;
  bottom: 8px;
  right: 10px;
  background: rgba(15, 23, 42, 0.75);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  pointer-events: none;
}

/* =========================================
   DỰ TOÁN ĐẦU TƯ & KHOẢN VAY
   ========================================= */

.sc-financial-box {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid #cbd5e1;
}

.sc-financial-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--sc-slate-200);
  margin-bottom: 18px;
}

.sc-fin-subtitle {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--sc-slate-500);
  display: block;
  margin-bottom: 4px;
}

.sc-fin-total-cost {
  font-size: 28px;
  font-weight: 900;
  color: var(--sc-primary-dark);
  line-height: 1;
}

.sc-fin-total-cost small {
  font-size: 15px;
  font-weight: 700;
  color: var(--sc-slate-500);
}

.sc-roi-badge {
  text-align: right;
  background: rgba(16, 185, 129, 0.1);
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.sc-roi-label {
  font-size: 11px;
  color: var(--sc-slate-600);
  display: block;
}

.sc-roi-badge strong {
  font-size: 16px;
  color: var(--sc-green-dark);
  font-weight: 800;
}

.sc-loan-title {
  margin: 0 0 12px 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--sc-slate-800);
}

.sc-loan-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.sc-loan-stat {
  background: #ffffff;
  border: 1px solid var(--sc-slate-200);
  border-radius: 8px;
  padding: 10px 12px;
}

.sc-l-label {
  font-size: 11px;
  color: var(--sc-slate-500);
  display: block;
  margin-bottom: 2px;
}

.sc-loan-stat strong {
  font-size: 15px;
  color: var(--sc-slate-800);
}

.sc-stat-highlight {
  background: rgba(2, 132, 199, 0.05);
  border-color: rgba(2, 132, 199, 0.25);
}

.sc-stat-highlight strong {
  color: var(--sc-primary);
  font-size: 16px;
}

/* So sánh dòng tiền */
.sc-cashflow-comparison {
  background: #ffffff;
  border: 1px solid var(--sc-slate-200);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 16px;
}

.sc-cf-desc {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 4px;
}

.sc-text-green { color: var(--sc-green-dark); }
.sc-text-orange { color: #ea580c; }

.sc-progress-bar {
  height: 8px;
  background: var(--sc-slate-100);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 10px;
}

.sc-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s ease;
}

.sc-bar-green { background: var(--sc-green); }
.sc-bar-orange { background: #ea580c; }

.sc-cf-verdict {
  font-size: 12px;
  color: var(--sc-slate-600);
  background: var(--sc-slate-50);
  padding: 8px 10px;
  border-radius: 6px;
  font-style: italic;
  text-align: center;
}

/* Green Impact */
.sc-green-impact {
  display: flex;
  justify-content: space-around;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--sc-slate-200);
  font-size: 12px;
  color: var(--sc-slate-600);
}

.sc-green-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* =========================================
   FORM LIÊN HỆ & BÁO GIÁ
   ========================================= */

.sc-quote-form-box {
  background: #ffffff;
  border: 2px solid rgba(2, 132, 199, 0.3);
}

.sc-quote-header h3 {
  margin: 0 0 4px 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--sc-slate-900);
}

.sc-quote-header p {
  margin: 0 0 16px 0;
  font-size: 13px;
  color: var(--sc-slate-500);
}

.sc-btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--sc-primary) 0%, var(--sc-primary-hover) 100%);
  color: #ffffff;
  border: none;
  padding: 13px 20px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--sc-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
  transition: all 0.2s ease;
  margin-top: 10px;
}

.sc-btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.4);
}

.sc-lead-msg {
  padding: 12px;
  border-radius: 6px;
  margin-top: 12px;
  font-size: 13px;
  text-align: center;
}

.sc-lead-msg.success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.sc-lead-msg.error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.sc-direct-contact {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--sc-slate-200);
  flex-wrap: wrap;
}

.sc-contact-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--sc-slate-700);
  text-decoration: none;
  background: var(--sc-slate-100);
  padding: 6px 12px;
  border-radius: 6px;
  transition: background 0.15s;
}

.sc-contact-badge:hover {
  background: var(--sc-slate-200);
}

.sc-zalo {
  color: #0284c7;
}

/* =========================================
   STORAGE / HYBRID BESS OPTIONS
   ========================================= */

.sc-storage-choice-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 6px;
}

@media (max-width: 480px) {
  .sc-storage-choice-cards {
    grid-template-columns: 1fr;
  }
}

.sc-choice-card {
  display: block;
  border: 2px solid var(--sc-slate-200);
  background: #ffffff;
  border-radius: var(--sc-radius-sm);
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.sc-choice-card input[type="radio"] {
  display: none;
}

.sc-choice-card:hover {
  border-color: #94a3b8;
  transform: translateY(-1px);
}

.sc-choice-card.active {
  border-color: #059669;
  background: #f0fdf4;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.sc-choice-card-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sc-choice-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(2, 132, 199, 0.1);
  color: var(--sc-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sc-choice-icon.sc-icon-green {
  background: rgba(16, 185, 129, 0.15);
  color: #059669;
}

.sc-choice-info strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--sc-slate-800);
  line-height: 1.2;
}

.sc-choice-info small {
  display: block;
  font-size: 11px;
  color: var(--sc-slate-500);
  margin-top: 2px;
  line-height: 1.3;
}

.sc-battery-detail-card {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--sc-radius-sm);
  padding: 12px 14px;
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 12px;
  font-size: 12px;
}

.sc-storage-highlight-banner {
  background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
  border: 1px solid #a7f3d0;
  border-radius: var(--sc-radius-md);
  padding: 14px 18px;
  margin-bottom: 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  box-shadow: var(--sc-shadow-sm);
}

.sc-sh-icon {
  width: 42px;
  height: 42px;
  background: #ffffff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.sc-sh-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.sc-sh-title span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #065f46;
}

.sc-sh-title strong {
  background: #059669;
  color: #ffffff;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 13px;
}

.sc-sh-desc {
  font-size: 12px;
  color: #047857;
  line-height: 1.4;
}

.sc-cost-breakdown-sub {
  font-size: 12px;
  color: var(--sc-slate-500);
  margin-top: 6px;
  line-height: 1.4;
}

/* =========================================
   BESS INTERACTIVE PRODUCT LIST & FILTERS
   ========================================= */

.sc-bess-filter-container {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--sc-radius-sm);
  padding: 12px 14px;
  margin-top: 14px;
  margin-bottom: 14px;
}

.sc-bess-filter-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  flex-wrap: wrap;
}

.sc-bess-filter-title {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 700;
  color: var(--sc-slate-700);
  min-width: 85px;
  padding-top: 4px;
}

.sc-bess-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex: 1;
}

.sc-bess-tag {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--sc-slate-700);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.sc-bess-tag small {
  color: var(--sc-slate-400);
  font-weight: 400;
}

.sc-bess-tag:hover {
  border-color: #059669;
  color: #059669;
  background: #f0fdf4;
}

.sc-bess-tag.active {
  background: #059669;
  border-color: #059669;
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(5, 150, 105, 0.3);
}

.sc-bess-tag.active small {
  color: rgba(255, 255, 255, 0.85);
}

/* BESS Cards Grid */
.sc-bess-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

@media (max-width: 600px) {
  .sc-bess-cards-grid {
    grid-template-columns: 1fr;
  }
}

.sc-bess-card {
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: var(--sc-radius-md);
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.sc-bess-card:hover {
  border-color: #10b981;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.12);
}

.sc-bess-card.active {
  border-color: #059669;
  background: linear-gradient(180deg, #ffffff 0%, #f0fdf4 100%);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.2), 0 4px 12px rgba(5, 150, 105, 0.15);
}

.sc-bess-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.sc-bess-badge-brand {
  background: #0f172a;
  color: #ffffff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.sc-bess-badge-volt {
  background: #e2e8f0;
  color: #475569;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
}

.sc-bess-card.active .sc-bess-badge-brand {
  background: #059669;
}

.sc-bess-card-model {
  font-size: 13px;
  font-weight: 700;
  color: var(--sc-slate-800);
  margin-bottom: 8px;
  line-height: 1.3;
}

.sc-bess-card-cap-box {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  background: #f8fafc;
  border: 1px solid #f1f5f9;
  border-radius: 6px;
  padding: 6px 10px;
  margin-bottom: 10px;
}

.sc-bess-card.active .sc-bess-card-cap-box {
  background: #ecfdf5;
  border-color: #d1fae5;
}

.sc-bess-cap-val {
  display: flex;
  align-items: baseline;
  gap: 3px;
}

.sc-bess-cap-val strong {
  font-size: 20px;
  font-weight: 800;
  color: #059669;
  line-height: 1;
}

.sc-bess-cap-val span {
  font-size: 12px;
  font-weight: 700;
  color: #047857;
}

.sc-bess-tech-chip {
  font-size: 10px;
  font-weight: 600;
  color: #047857;
}

.sc-bess-card-details {
  font-size: 11px;
  color: var(--sc-slate-600);
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sc-bess-spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sc-bess-spec-row strong {
  color: var(--sc-slate-800);
  font-weight: 600;
}

.sc-bess-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 8px;
  border-top: 1px solid #f1f5f9;
  margin-top: 4px;
}

.sc-bess-card-price {
  font-size: 13px;
  font-weight: 800;
  color: #b45309;
}

.sc-bess-card-price small {
  font-size: 10px;
  font-weight: 400;
  color: var(--sc-slate-500);
}

.sc-bess-pick-btn {
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: var(--sc-slate-700);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s;
}

.sc-pick-check {
  display: none;
}

.sc-bess-card.active .sc-bess-pick-btn {
  background: #059669;
  border-color: #059669;
  color: #ffffff;
}

.sc-bess-card.active .sc-pick-check {
  display: inline;
}

/* Pack Section */
.sc-bess-pack-section {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--sc-radius-sm);
  padding: 12px 14px;
  margin-bottom: 12px;
}

.sc-bess-pack-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.sc-bess-pack-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--sc-slate-800);
  margin-bottom: 2px;
  display: block;
}

.sc-bess-pack-hint {
  font-size: 11px;
  color: var(--sc-slate-500);
  margin: 0;
}

.sc-pack-quick-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.sc-btn-pack {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  color: var(--sc-slate-700);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
}

.sc-btn-pack small {
  font-size: 9px;
  font-weight: 500;
  color: var(--sc-slate-500);
  margin-top: 2px;
}

.sc-btn-pack:hover {
  border-color: #059669;
  color: #059669;
  background: #f0fdf4;
}

.sc-btn-pack.active {
  background: #059669;
  border-color: #059669;
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(5, 150, 105, 0.25);
}

.sc-btn-pack.active small {
  color: rgba(255, 255, 255, 0.85);
}

/* Canvas Status Bar */
.sc-canvas-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-top: none;
  border-radius: 0 0 var(--sc-radius-sm) var(--sc-radius-sm);
  padding: 8px 14px;
  font-size: 12px;
  color: var(--sc-slate-600);
  flex-wrap: wrap;
  gap: 8px;
}

.sc-cs-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sc-cs-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.sc-cs-dot.green { background: #10b981; box-shadow: 0 0 6px rgba(16, 185, 129, 0.6); }
.sc-cs-dot.blue { background: #0284c7; }
.sc-cs-dot.amber { background: #f59e0b; }

.sc-cs-item strong {
  color: var(--sc-slate-900);
  font-weight: 700;
}

/* ==========================================================
   BỐ CỤC DẠNG TAB TRÀN HẾT CHIỀU RỘNG (FULL-WIDTH STEP TABS)
   ========================================================== */
.sc-fullwidth-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
  width: 100%;
}

.sc-tab-btn {
  background: #ffffff;
  border: 2px solid var(--sc-slate-200);
  border-radius: var(--sc-radius-md);
  padding: 12px 14px;
  cursor: pointer;
  text-align: left;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--sc-shadow-sm);
  position: relative;
  overflow: hidden;
  display: block;
  width: 100%;
  font-family: inherit;
}

.sc-tab-btn:hover {
  border-color: #38bdf8;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.sc-tab-btn.active {
  border-color: #0284c7;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.18);
}

.sc-tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: #0284c7;
  border-radius: 3px 3px 0 0;
}

.sc-tab-btn-inner {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sc-tab-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #f1f5f9;
  color: var(--sc-slate-700);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.25s;
}

.sc-tab-btn:hover .sc-tab-icon-wrap {
  background: #e0f2fe;
  color: #0284c7;
}

.sc-tab-btn.active .sc-tab-icon-wrap {
  background: #0284c7;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.35);
}

.sc-tab-icon-wrap.sc-icon-green {
  color: #059669;
}
.sc-tab-btn.active .sc-tab-icon-wrap.sc-icon-green {
  background: #059669;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.35);
}

.sc-tab-icon-wrap.sc-icon-blue {
  color: #2563eb;
}
.sc-tab-btn.active .sc-tab-icon-wrap.sc-icon-blue {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

.sc-tab-text {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-grow: 1;
}

.sc-tab-header-line {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
}

.sc-tab-step-badge {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 4px;
  background: #e2e8f0;
  color: #475569;
  letter-spacing: 0.4px;
  flex-shrink: 0;
}

.sc-tab-btn.active .sc-tab-step-badge {
  background: #0284c7;
  color: #ffffff;
}

.sc-tab-step-badge.sc-badge-green {
  background: #dcfce7;
  color: #15803d;
}
.sc-tab-btn.active .sc-tab-step-badge.sc-badge-green {
  background: #059669;
  color: #ffffff;
}

.sc-tab-step-badge.sc-badge-blue {
  background: #dbeafe;
  color: #1d4ed8;
}
.sc-tab-btn.active .sc-tab-step-badge.sc-badge-blue {
  background: #2563eb;
  color: #ffffff;
}

.sc-tab-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--sc-slate-800);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sc-tab-btn.active .sc-tab-title {
  color: #0369a1;
}

.sc-tab-summary {
  font-size: 11px;
  font-weight: 600;
  color: var(--sc-slate-500);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sc-tab-btn.active .sc-tab-summary {
  color: #0284c7;
  font-weight: 700;
}

/* Ẩn / Hiện các hộp theo Tab khi ở chế độ sc-layout-tabs */
.solar-calc-widget.sc-layout-tabs .sc-step-box {
  display: none;
}

.solar-calc-widget.sc-layout-tabs .sc-step-box.active {
  display: block;
  animation: scStepFade 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scStepFade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Nút Điều Hướng Cuối Mỗi Khối (Tiếp theo / Quay lại) */
.sc-step-nav-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid #f1f5f9;
  gap: 12px;
}

.sc-btn-nav-step {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  color: var(--sc-slate-700);
  padding: 10px 18px;
  border-radius: var(--sc-radius-sm);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
}

.sc-btn-nav-step:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
  color: var(--sc-slate-900);
}

.sc-btn-next-step,
.sc-btn-jump-quote {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  border-color: #0284c7;
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.25);
  margin-left: auto;
}

.sc-btn-next-step:hover,
.sc-btn-jump-quote:hover {
  background: linear-gradient(135deg, #0369a1 0%, #075985 100%);
  border-color: #0369a1;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
}

.sc-btn-jump-quote {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  border-color: #059669;
  box-shadow: 0 2px 6px rgba(5, 150, 105, 0.25);
}
.sc-btn-jump-quote:hover {
  background: linear-gradient(135deg, #047857 0%, #065f46 100%);
  border-color: #047857;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.35);
}

/* Trường hợp cấu hình admin chọn chế độ Cuộn Dọc Truyền Thống (sc-layout-stacked) */
.solar-calc-widget.sc-layout-stacked .sc-fullwidth-tabs {
  display: none;
}
.solar-calc-widget.sc-layout-stacked .sc-step-box {
  display: block !important;
  margin-bottom: 22px;
}
.solar-calc-widget.sc-layout-stacked .sc-step-nav-footer {
  display: none;
}

/* Responsive cho thiết bị di động */
@media (max-width: 768px) {
  .sc-fullwidth-tabs {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
    gap: 8px;
  }
  .sc-fullwidth-tabs::-webkit-scrollbar {
    display: none;
  }
  .sc-tab-btn {
    flex: 0 0 170px;
    min-width: 170px;
    padding: 10px 12px;
  }
}