/* ================================================================
   Solar Pro Calculators — Main Stylesheet
   Aesthetic: Industrial-Solar / Dark precision with amber accents
   ================================================================ */

/* ── Theme variables (overridden per-instance by class-assets.php) */
:root {
  /* Backgrounds */
  --sc-header-bg:      #0F172A;
  --sc-bg-card:        #1E293B;
  --sc-bg-input:       #334155;
  --sc-border-color:   #475569;
  /* Text colors */
  --sc-text-primary:   #F8FAFC;
  --sc-header-text-color: #F8FAFC;
  --sc-input-text-color: #F8FAFC;
  --sc-label-color:    #94A3B8;
  --sc-hint-color:     #94A3B8;
  /* Accent / Buttons */
  --sc-accent:         #F59E0B;
  --sc-btn-bg-color:   #F59E0B;
  --sc-btn-text-color: #0F172A;
  /* Result */
  --sc-result-value-color: #F8FAFC;
  /* Semantic / derived */
  --sc-accent-glow:    rgba(245,158,11,0.18);
  --sc-success:        #10B981;
  --sc-radius:         14px;
  --sc-radius-sm:      8px;
  --sc-shadow:         0 8px 32px rgba(0,0,0,0.45);
  --sc-font-head:      'DM Sans', sans-serif;
  --sc-font-body:      'DM Sans', sans-serif;
  --sc-transition:     all 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ── Wrapper ───────────────────────────────────────────────── */
.sc-wrap {
  font-family: var(--sc-font-body);
  background: var(--sc-bg-card);
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius);
  overflow: hidden;
  margin: 2.5rem 0;
  box-shadow: var(--sc-shadow);
  position: relative;
}

.sc-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sc-accent), #FCD34D, var(--sc-accent));
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ── Header ────────────────────────────────────────────────── */
.sc-header {
  background: var(--sc-header-bg);
  padding: 2rem 2.5rem;
  border-bottom: 1px solid var(--sc-border-color);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.sc-icon {
  font-size: 2.4rem;
  line-height: 1;
  filter: drop-shadow(0 0 8px var(--sc-accent));
}

.sc-title {
  font-family: var(--sc-font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--sc-header-text-color);
  margin: 0 0 0.2rem 0;
  letter-spacing: -0.01em;
}

.sc-subtitle {
  font-size: 0.875rem;
  color: var(--sc-label-color);
  margin: 0 !important;
  font-weight: 300;
}

.sc-header > div:last-child {
  display: flex;
  flex-direction: column;
}

/* ── Body ──────────────────────────────────────────────────── */
.sc-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

@media (max-width: 768px) {
  .sc-body { grid-template-columns: 1fr; }
}

/* ── Form ──────────────────────────────────────────────────── */
.sc-form {
  padding: 2rem 2.5rem;
  border-right: 1px solid var(--sc-border-color);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

@media (max-width: 768px) {
  .sc-form { border-right: none; border-bottom: 1px solid var(--sc-border-color); }
}

.sc-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sc-field label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--sc-label-color);
}

.sc-input-wrap {
  display: flex;
  align-items: center;
  background: var(--sc-bg-input);
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius-sm);
  overflow: hidden;
  transition: var(--sc-transition);
}

.sc-input-wrap:focus-within {
  border-color: var(--sc-accent);
  box-shadow: 0 0 0 3px var(--sc-accent-glow);
}

.sc-input-wrap input {
  flex: 1;
  background: transparent;
  border: none !important;
  outline: none;
  color: var(--sc-input-text-color);
  font-family: var(--sc-font-body);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.65rem 0.9rem;
  min-width: 0;
  -moz-appearance: textfield;
}
.sc-input-wrap input:focus {
  color: var(--sc-input-text-color);
}
.sc-input-wrap input::-webkit-outer-spin-button,
.sc-input-wrap input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.sc-input-wrap input.with-prefix {
  padding-left: 0;
}

.sc-unit {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sc-label-color);
  padding: 0 0.8rem;
  white-space: nowrap;
}

.sc-unit-left {
  color: var(--sc-accent);
  font-size: 1rem;
}

.sc-hint {
  font-size: 0.72rem;
  color: var(--sc-hint-color);
  margin: 0;
  font-style: italic;
}

/* ── Button ────────────────────────────────────────────────── */
.sc-btn, button.sc-btn {
  margin-top: 0.5rem;
  background: var(--sc-btn-bg-color);
  color: var(--sc-btn-text-color);
  border: none;
  border-radius: var(--sc-radius-sm);
  padding: 0.85rem 1.5rem;
  font-family: var(--sc-font-head);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: var(--sc-transition);
  width: 100%;
  text-transform: uppercase;
}

.sc-btn:hover, button.sc-btn:hover {
  background: var(--sc-btn-bg-color);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245,158,11,0.35);
  color: var(--sc-btn-text-color);
}
.sc-btn:focus, button.sc-btn:focus {
  background: var(--sc-btn-bg-color);
  color: var(--sc-btn-text-color);
}
.sc-btn:active, button.sc-btn:active {
  transform: translateY(0);
}

.sc-btn-outline, button.sc-btn-outline {
  background: transparent;
  border: 1px solid var(--sc-btn-bg-color);
  color: var(--sc-btn-text-color);
  margin-top: 1.25rem;
}

.sc-btn-outline:hover, button.sc-btn-outline:hover {
  background: var(--sc-btn-bg-color);
  color: var(--sc-btn-text-color);
  transform: translateY(-1px);
}

/* ── Results ───────────────────────────────────────────────── */
.sc-results {
  padding: 2rem 2.5rem;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sc-results h3 {
  font-family: var(--sc-font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--sc-label-color);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 1.25rem 0;
}

.sc-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.sc-result-card {
  background: var(--sc-bg-card);
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius-sm);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: var(--sc-transition);
}

.sc-result-card:hover {
  border-color: var(--sc-accent);
  box-shadow: 0 0 0 2px var(--sc-accent-glow);
}

.sc-result-card.accent {
  background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(245,158,11,0.05));
  border-color: var(--sc-accent);
}

.sc-result-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--sc-label-color);
  font-weight: 600;
}

.sc-result-value {
  font-family: var(--sc-font-head);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--sc-result-value-color);
  line-height: 1;
}

.sc-result-card.accent .sc-result-value {
  color: var(--sc-accent);
}

.sc-result-sub {
  font-size: 0.72rem;
  color: var(--sc-hint-color);
  font-weight: 300;
}

/* ── Chart ─────────────────────────────────────────────────── */
.sc-chart-wrap {
  background: var(--sc-bg-card);
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius-sm);
  padding: 1rem;
  margin-bottom: 0.5rem;
}

/* ── Loading state ─────────────────────────────────────────── */
.sc-loading {
  opacity: 0.6;
  pointer-events: none;
}

.sc-btn.loading {
  position: relative;
  color: transparent;
}

.sc-btn.loading::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  border: 2px solid var(--sc-btn-text-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: translate(-50%,-50%) rotate(360deg); }
}

/* ── Energy Load: Appliance Select & Add ──────────────────── */
.sc-appliance-add {
  display: flex;
  gap: 0.6rem;
  align-items: stretch;
}

.sc-select {
  flex: 1;
  background: var(--sc-bg-card);
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius-sm);
  color: var(--sc-input-text-color);
  font-family: var(--sc-font-body);
  font-size: 0.92rem;
  padding: 0.6rem 0.85rem;
  outline: none;
  transition: var(--sc-transition);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.8rem center;
  padding-right: 2rem;
}

.sc-select:focus {
  border-color: var(--sc-accent);
  box-shadow: 0 0 0 3px var(--sc-accent-glow);
}

.sc-select option,
.sc-select optgroup {
  background: var(--sc-bg-card);
  color: var(--sc-input-text-color);
}

button.sc-btn-add, button.sc-btn-add:focus {
  background: var(--sc-btn-bg-color);
  color: var(--sc-btn-text-color);
  border: none;
  border-radius: var(--sc-radius-sm);
  padding: 0.6rem 1rem;
  font-family: var(--sc-font-head);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--sc-transition);
  white-space: nowrap;
}

button.sc-btn-add:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  color: var(--sc-btn-text-color);
}

/* ── Energy Load: Custom Appliance ────────────────────────── */
.sc-custom-appliance {
  display: flex;
  gap: 0.6rem;
  align-items: stretch;
}

.sc-input-inline, input[type=text].sc-input-inline {
  flex: 1.2;
  background: var(--sc-bg-card);
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius-sm);
  color: var(--sc-input-text-color);
  font-family: var(--sc-font-body);
  font-size: 0.92rem;
  padding: 0.6rem 0.85rem;
  outline: none;
  transition: var(--sc-transition);
}

.sc-input-inline:focus, input[type=text].sc-input-inline:focus {
  border-color: var(--sc-accent);
  box-shadow: 0 0 0 3px var(--sc-accent-glow);
}

.sc-input-inline-watt {
  flex: 0.7;
}

/* ── Energy Load: Appliance Table ─────────────────────────── */
.sc-appliance-table-wrap {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius-sm);
}

.sc-appliance-table-wrap::-webkit-scrollbar {
  width: 6px;
}

.sc-appliance-table-wrap::-webkit-scrollbar-track {
  background: var(--sc-bg-card);
}

.sc-appliance-table-wrap::-webkit-scrollbar-thumb {
  background: var(--sc-border-color);
  border-radius: 3px;
}

.sc-appliance-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.sc-appliance-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

.sc-appliance-table thead th {
  background: var(--sc-bg-input);
  color: var(--sc-label-color);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.6rem 0.7rem;
  text-align: left;
  border-bottom: 1px solid var(--sc-border-color);
}

.sc-appliance-table tbody tr {
  border-bottom: 1px solid rgba(71, 85, 105, 0.3);
  transition: var(--sc-transition);
}

.sc-appliance-table tbody tr:hover {
  background: rgba(245, 158, 11, 0.05);
}

.sc-appliance-table tbody td {
  padding: 0.5rem 0.7rem;
  color: var(--sc-input-text-color);
  vertical-align: middle;
}

.sc-appliance-table tbody td:first-child {
  font-weight: 500;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sc-table-input, input[type=number].sc-table-input {
  width: 52px;
  background: var(--sc-bg-card);
  border: 1px solid var(--sc-border-color);
  border-radius: 4px;
  color: var(--sc-input-text-color);
  font-family: var(--sc-font-body);
  font-size: 0.82rem;
  padding: 0.3rem 0.4rem;
  text-align: center;
  outline: none;
  transition: var(--sc-transition);
  -moz-appearance: textfield;
}

.sc-table-input::-webkit-outer-spin-button,
.sc-table-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.sc-table-input:focus, input[type=number].sc-table-input:focus {
  border-color: var(--sc-accent);
  box-shadow: 0 0 0 2px var(--sc-accent-glow);
}

.sc-btn-remove {
  background: transparent;
  border: 1px solid #EF4444;
  color: #EF4444;
  border-radius: 4px;
  width: 26px;
  height: 26px;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: var(--sc-transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sc-btn-remove:hover {
  background: #EF4444;
  color: #fff;
}

/* ── Energy Load: Empty State ─────────────────────────────── */
.sc-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem 1rem;
  color: var(--sc-hint-color);
  font-size: 0.85rem;
  text-align: center;
}

.sc-empty-icon {
  font-size: 2rem;
  opacity: 0.5;
}

/* ── Energy Load: Result Grid (3 cols) ────────────────────── */
#el-results .sc-result-grid {
  grid-template-columns: 1fr 1fr;
}

@media (min-width: 520px) {
  #el-results .sc-result-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* ── 3-Column Result Grid (Battery & Loan) ─────────────── */
.sc-result-grid-3 {
  grid-template-columns: 1fr 1fr;
}

@media (min-width: 520px) {
  .sc-result-grid-3 {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* ── Battery & Loan: Info Badge ─────────────────────────── */
.sc-info-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-radius: 6px;
  padding: 0.4rem 0.7rem;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  color: #7DD3FC;
  line-height: 1.4;
}

.sc-info-badge-icon {
  font-size: 1rem;
  flex-shrink: 0;
}

/* ── CO2 Offset: Green Result Cards ─────────────────────── */
.sc-result-card-green {
  background: linear-gradient(135deg, rgba(16,185,129,0.15), rgba(16,185,129,0.05));
  border-color: #10B981;
}

.sc-result-card-green .sc-result-value {
  color: #10B981;
}

.sc-result-card-green:hover {
  border-color: #10B981;
  box-shadow: 0 0 0 2px rgba(16,185,129,0.25);
}

/* ── CO2 Offset: Custom Intensity Field ─────────────────── */
#co2-custom-intensity-field {
  animation: fadeIn 0.3s ease;
}

/* ── Result Action Buttons (Add to Comparison + Get Quote) ── */
.sc-result-action-btns {
  display: flex;
  gap: 0.6rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.sc-action-btn {
  margin-top: 0;
  padding: 0.55rem 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.sc-action-btn.sc-btn-outline {
  border-width: 1px;
}

/* ── Lead Capture Popup ──────────────────────────────────── */
.sc-lead-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: scFadeIn 0.3s ease;
  font-family: var(--sc-font-body);
}

.sc-lead-card {
  background: var(--sc-bg-card);
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem 2rem 1.5rem;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.sc-lead-close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: none;
  border: none;
  color: var(--sc-label-color);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}
.sc-lead-close:hover { color: var(--sc-text-primary); }

.sc-lead-icon {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

.sc-lead-title {
  font-family: var(--sc-font-head);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--sc-text-primary);
  text-align: center;
  margin: 0 0 0.3rem 0;
}

.sc-lead-subtitle {
  font-size: 0.82rem;
  color: var(--sc-label-color);
  text-align: center;
  margin: 0 0 1.25rem 0;
  line-height: 1.5;
}

.sc-lead-summary {
  background: var(--sc-bg-input);
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius-sm);
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.75rem;
  color: var(--sc-hint-color);
}
.sc-lead-summary strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--sc-text-primary);
  font-size: 0.78rem;
}
.sc-lead-summary pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
  font-size: 0.72rem;
  line-height: 1.5;
}

.sc-lead-field {
  margin-bottom: 0.9rem;
}
.sc-lead-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--sc-label-color);
  margin-bottom: 0.3rem;
}
.sc-lead-field input {
  width: 100%;
  padding: 0.6rem 0.85rem;
  background: var(--sc-bg-input);
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius-sm);
  color: var(--sc-input-text-color);
  font-family: var(--sc-font-body);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.25s;
}
.sc-lead-field input:focus {
  border-color: var(--sc-accent);
  box-shadow: 0 0 0 3px var(--sc-accent-glow);
}
.sc-lead-error {
  display: block;
  font-size: 0.7rem;
  color: #EF4444;
  margin-top: 0.2rem;
  min-height: 0.9rem;
}

.sc-lead-checkbox {
  margin-bottom: 1rem;
}
.sc-lead-checkbox label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--sc-label-color);
  cursor: pointer;
}
.sc-lead-checkbox input[type="checkbox"] {
  accent-color: var(--sc-accent);
  width: 16px; height: 16px;
}

.sc-lead-submit {
  width: 100%;
  padding: 0.85rem;
  background: var(--sc-btn-bg-color);
  color: var(--sc-btn-text-color);
  border: none;
  border-radius: var(--sc-radius-sm);
  font-family: var(--sc-font-head);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.25s;
}
.sc-lead-submit:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--sc-accent) 35%, transparent);
}
.sc-lead-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.sc-lead-skip {
  display: block;
  text-align: center;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--sc-label-color);
  text-decoration: none;
  transition: color 0.2s;
}
.sc-lead-skip:hover {
  color: var(--sc-text-primary);
}

.sc-lead-message {
  text-align: center;
  padding: 0.75rem;
  border-radius: var(--sc-radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 0.75rem;
  display: none;
}
.sc-lead-message.sc-lead-success {
  display: block;
  background: rgba(16,185,129,0.15);
  color: #10B981;
  border: 1px solid rgba(16,185,129,0.3);
}
.sc-lead-message.sc-lead-error-msg {
  display: block;
  background: rgba(239,68,68,0.15);
  color: #EF4444;
  border: 1px solid rgba(239,68,68,0.3);
}

/* ── Comparison Mode: Floating Action Button ──────────── */
.sc-cmp-fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999998;
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  background: var(--sc-btn-bg-color);
  color: var(--sc-btn-text-color);
  border: none;
  border-radius: 50px;
  font-family: var(--sc-font-head);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(245,158,11,0.4);
  transition: all 0.25s;
  letter-spacing: 0.02em;
}
.sc-cmp-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(245,158,11,0.5);
  filter: brightness(1.1);
}
.sc-cmp-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--sc-header-bg);
  color: var(--sc-accent);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0 5px;
}

@media (max-width: 768px) {
  .sc-cmp-fab {
    bottom: 1rem;
    right: 1rem;
    padding: 0.7rem 1rem;
    font-size: 0.82rem;
  }
}

/* ── Comparison Mode: Modal ───────────────────────────── */
.sc-cmp-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: scFadeIn 0.3s ease;
}

.sc-cmp-card {
  background: var(--sc-bg-card);
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.sc-cmp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--sc-border-color);
  flex-wrap: wrap;
  gap: 0.75rem;
}
.sc-cmp-header h3 {
  font-family: var(--sc-font-head);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--sc-text-primary);
  margin: 0;
}
.sc-cmp-actions {
  display: flex;
  gap: 0.5rem;
}
.sc-cmp-clear-btn,
.sc-cmp-close-btn {
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid;
}
.sc-cmp-clear-btn {
  background: transparent;
  border-color: #EF4444;
  color: #EF4444;
}
.sc-cmp-clear-btn:hover {
  background: #EF4444;
  color: #fff;
}
.sc-cmp-close-btn {
  background: transparent;
  border-color: var(--sc-border-color);
  color: var(--sc-label-color);
}
.sc-cmp-close-btn:hover {
  border-color: var(--sc-text-primary);
  color: var(--sc-text-primary);
}

.sc-cmp-table-wrap {
  padding: 1.5rem 2rem 2rem;
  overflow-x: auto;
}

.sc-cmp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.sc-cmp-table th,
.sc-cmp-table td {
  padding: 0.65rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(71,85,105,0.3);
  color: var(--sc-input-text-color);
  vertical-align: top;
}
.sc-cmp-table th {
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--sc-label-color);
  background: var(--sc-bg-input);
  border-bottom: 2px solid var(--sc-accent);
}
.sc-cmp-table td {
  font-size: 0.85rem;
}
.sc-cmp-metric-label {
  font-weight: 600;
  color: var(--sc-label-color);
  white-space: nowrap;
}
.sc-cmp-empty-cell {
  opacity: 0.3;
  text-align: center;
}
.sc-cmp-slot-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.sc-cmp-remove-btn {
  background: transparent;
  border: 1px solid #EF4444;
  color: #EF4444;
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  font-size: 0.68rem;
  cursor: pointer;
  transition: all 0.2s;
}
.sc-cmp-remove-btn:hover {
  background: #EF4444;
  color: #fff;
}

@media (max-width: 768px) {
  .sc-cmp-card { border-radius: 10px; }
  .sc-cmp-header { padding: 1rem 1.25rem; }
  .sc-cmp-table-wrap { padding: 1rem; }
  .sc-cmp-table { font-size: 0.75rem; }
  .sc-cmp-table th, .sc-cmp-table td { padding: 0.5rem 0.6rem; }
}

/* ── Toast Notification ─────────────────────────────────── */
.sc-toast {
  position: fixed;
  bottom: 5rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--sc-btn-bg-color);
  color: var(--sc-btn-text-color);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-family: var(--sc-font-head);
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 8px 30px rgba(245,158,11,0.4);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 9999999;
  pointer-events: none;
  white-space: nowrap;
}
.sc-toast.sc-toast-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Shared animation ───────────────────────────────────── */
@keyframes scFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Master Calculator: Wizard Layout ──────────────────── */
.sc-master-wrap {
  font-family: var(--sc-font-body);
  background: var(--sc-header-bg);
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius);
  overflow: hidden;
  margin: 2.5rem 0;
  box-shadow: var(--sc-shadow);
  position: relative;
}

.sc-master-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sc-accent), #FCD34D, var(--sc-accent));
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
}

.sc-master-header {
  background: var(--sc-header-bg);
  padding: 2rem 2.5rem;
  border-bottom: 1px solid var(--sc-border-color);
  text-align: center;
}

.sc-master-header h2 {
  font-family: var(--sc-font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--sc-header-text-color);
  margin: 0 0 0.3rem 0;
}

.sc-master-header p {
  font-size: 0.875rem;
  color: var(--sc-label-color);
  margin: 0;
}

/* ── Master Calculator: Step Progress ──────────────────── */
.sc-wizard-progress {
  display: flex;
  background: var(--sc-bg-input);
  border-bottom: 1px solid var(--sc-border-color);
}

.sc-wizard-step {
  flex: 1;
  text-align: center;
  padding: 0.85rem 0.5rem;
  font-family: var(--sc-font-head);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--sc-label-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  transition: all 0.25s;
  cursor: default;
}

.sc-wizard-step:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--sc-border-color);
}

.sc-wizard-step.active {
  color: var(--sc-accent);
  background: color-mix(in srgb, var(--sc-accent) 8%, transparent);
}

.sc-wizard-step.completed {
  color: var(--sc-success, #10B981);
}

.sc-wizard-step.completed::before {
  content: '✓ ';
  color: var(--sc-success, #10B981);
}

@media (max-width: 768px) {
  .sc-wizard-step { font-size: 0.68rem; padding: 0.65rem 0.3rem; }
}

/* ── Master Calculator: Step Panels ───────────────────── */
.sc-wizard-steps {
  position: relative;
}

.sc-wizard-panel {
  display: none;
  padding: 2rem 2.5rem;
  animation: fadeIn 0.3s ease;
}

.sc-wizard-panel.active {
  display: block;
}

.sc-wizard-panel .sc-field {
  margin-bottom: 0.5rem;
}

/* Reuse existing sc-field, sc-input-wrap, etc. from parent theme */

/* ── Master Calculator: Navigation ────────────────────── */
.sc-wizard-nav, button.sc-wizard-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  gap: 1rem;
}

.sc-wizard-next,
button.sc-wizard-next,
.sc-wizard-prev,
button.sc-wizard-prev {
  padding: 0.75rem 1.5rem;
  border-radius: var(--sc-radius-sm);
  font-family: var(--sc-font-head);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s;
  border: none;
  letter-spacing: 0.03em;
  margin-top: 0.5rem;
  width: 100%;
}

.sc-wizard-next,
button.sc-wizard-next{
  background: var(--sc-btn-bg-color);
  color: var(--sc-btn-text-color);
  margin-left: auto;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--sc-accent) 25%, transparent);
}

.sc-wizard-next:hover, button.sc-wizard-next:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--sc-accent) 35%, transparent);
}

.sc-wizard-next:active button.sc-wizard-next:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--sc-accent) 25%, transparent);
}

.sc-wizard-prev, button.sc-wizard-prev {
  background: var(--sc-bg-input);
  border: 1px solid var(--sc-border-color);
  color: var(--sc-label-color);
}

.sc-wizard-prev:hover button.sc-wizard-prev:hover {
  border-color: var(--sc-accent);
  color: var(--sc-accent);
  background: color-mix(in srgb, var(--sc-accent) 6%, transparent);
}

.sc-btn-master, button.sc-btn-master {
  background: linear-gradient(135deg, var(--sc-btn-bg-color), color-mix(in srgb, var(--sc-accent) 70%, #F97316)) !important;
  color: var(--sc-btn-text-color) !important;
  font-size: 1rem !important;
  padding: 0.9rem 2rem !important;
  letter-spacing: 0.04em;
}

.sc-btn-master:hover, button.sc-btn-master:hover {
  background: linear-gradient(135deg, color-mix(in srgb, var(--sc-accent) 70%, #FCD34D), color-mix(in srgb, var(--sc-accent) 60%, #FB923C)) !important;
  box-shadow: 0 6px 24px color-mix(in srgb, var(--sc-accent) 45%, transparent) !important;
}

/* ── Master Calculator: Optional Sections ─────────────── */
.sc-optional-section {
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius-sm);
  margin-top: 1.2rem;
  overflow: hidden;
}

.sc-optional-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  background: var(--sc-bg-input);
  cursor: pointer;
  transition: all 0.25s;
  user-select: none;
  font-family: var(--sc-font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--sc-text-primary);
}

.sc-optional-header:hover {
  background: color-mix(in srgb, var(--sc-accent) 8%, transparent);
}

.sc-optional-toggle {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--sc-label-color);
  transition: transform 0.25s;
}

.sc-optional-section.open .sc-optional-toggle {
  transform: rotate(180deg);
}

.sc-optional-body {
  display: none;
  padding: 1rem 1rem 0.5rem;
  animation: fadeIn 0.3s ease;
}

.sc-optional-section.open .sc-optional-body {
  display: block;
}

/* ── Master Calculator: Results Tabs ─────────────────── */
.sc-master-results {
  padding: 1.5rem 2rem;
  animation: fadeIn 0.4s ease;
}

.sc-results-tabs {
  display: flex;
  overflow-x: auto;
  border-bottom: 2px solid var(--sc-border-color);
  -webkit-overflow-scrolling: touch;
  gap: 10px;
}

.sc-results-tabs::-webkit-scrollbar {
  height: 0;
}

.sc-tab, button.sc-tab {
  padding: 0.85rem 1.25rem;
  font-family: var(--sc-font-head);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sc-label-color);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.25s;
  letter-spacing: 0.02em;
  position: relative;
}

.sc-tab:hover, button.sc-tab:hover {
  color: var(--sc-text-primary);
  background: color-mix(in srgb, var(--sc-accent) 4%, transparent);
}

.sc-tab.active, button.sc-tab:active, button.sc-tab:focus {
  color: var(--sc-accent);
  background: color-mix(in srgb, var(--sc-accent) 6%, transparent);
}

.sc-tab.active::after, button.sc-tab.active::after  {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 3px;
  background: var(--sc-accent);
  border-radius: 3px 3px 0 0;
  box-shadow: 0 0 8px color-mix(in srgb, var(--sc-accent) 40%, transparent);
}

@media (max-width: 768px) {
  .sc-tab, button.sc-tab { padding: 0.65rem 0.8rem; font-size: 0.72rem; }
}

/* ── Master Calculator: Tab Panels ────────────────────── */
/* All panels are always visible (display: block) so Chart.js
   renders every canvas — PDF export can then capture all charts
   regardless of which section the user has scrolled to.        */
.sc-tab-panel {
  display: block;
  padding: 1.5rem 0rem;
  animation: fadeIn 0.3s ease;
  border-bottom: 1px solid var(--sc-border-color);
}

.sc-tab-panel.active {
  /* No longer needed for visibility — kept for nav-highlight hook */
}

/* Section heading inside each panel for visual separation */
.sc-tab-panel .sc-section-heading {
  font-family: var(--sc-font-head, inherit);
  font-size: 1rem;
  font-weight: 700;
  color: var(--sc-accent);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--sc-accent);
}

.sc-tab-panel .sc-result-grid {
  grid-template-columns: 1fr 1fr;
}

@media (min-width: 520px) {
  .sc-tab-panel .sc-result-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.sc-tab-panel .sc-chart-wrap {
  margin-top: 1rem;
}

/* ── Master Calculator: Modify Inputs Button ──────────── */
.sc-modify-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  margin: 1rem 2rem 0;
  font-family: var(--sc-font-head);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--sc-label-color);
  background: none;
  border: 1px solid var(--sc-border-color);
  border-radius: var(--sc-radius-sm);
  cursor: pointer;
  transition: all 0.25s;
}

.sc-modify-btn:hover {
  color: var(--sc-text-primary);
  border-color: var(--sc-text-primary);
}

/* ── Master Calculator: Responsive ────────────────────── */
@media (max-width: 768px) {
  .sc-master-header { padding: 1.5rem 1.25rem; }
  .sc-master-header h2 { font-size: 1.2rem; }
  .sc-wizard-panel { padding: 1.5rem 1.25rem; }
  .sc-tab-panel { padding: 1rem 0rem; }
  .sc-wizard-nav { flex-wrap: wrap; }
  .sc-optional-header { font-size: 0.8rem; }
  .sc-master-results { padding: 1rem 1rem; }
}

/* ── Master Calculator: Toggle Checkbox / Switch ────── */
.sc-toggle-field {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
}

.sc-toggle-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sc-label-color);
  cursor: pointer;
  flex: 1;
}

.sc-toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.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-bg-input);
  transition: 0.3s;
  border-radius: 24px;
}

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

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

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

/* ── Master Calculator: Side-by-side Charts ─────────── */
.sc-charts-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sc-charts-row .sc-chart-wrap {
  width: 100%;
}

.sc-charts-row.sc-charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 768px) {
  .sc-charts-row.sc-charts-grid {
    grid-template-columns: 1fr;
  }
}