/* Electrical Load Calculator - Content Area Styles */
:root {
  --elc-bg: #ffffff;
  --elc-surface: #f8fafc;
  --elc-card: #ffffff;
  --elc-border: #e2e8f0;
  --elc-line: #cbd5e1;
  --elc-ink: #0f172a;
  --elc-ink-soft: #475569;
  --elc-ink-faint: #94a3b8;
  --elc-primary: var(--tf-accent, #b45309);
  --elc-primary-hover: #92400e;
  --elc-green: #15803d;
  --elc-warn: #d97706;
  --elc-red: #b91c1c;
  --elc-radius: 2px;
}

.elc-main {
  width: 100%;
  color: var(--elc-ink);
}

.elc-wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Controls bar */
.elc-controls-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--elc-surface);
  border: 1px solid var(--elc-line);
  border-radius: var(--elc-radius);
}

.elc-control-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.elc-control-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--elc-ink-soft);
}

/* 2-column Grid */
.elc-editor-grid {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

@media (max-width: 860px) {
  .elc-editor-grid {
    grid-template-columns: 1fr;
  }
}

/* Panels */
.elc-panel {
  background: var(--elc-card);
  border: 1px solid var(--elc-line);
  border-radius: var(--elc-radius);
  padding: 24px;
  margin-bottom: 24px;
}

.elc-form-panel,
.elc-preview-panel,
.elc-results-panel {
  position: relative;
}

.elc-panel-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 4px 0;
  color: var(--elc-ink);
}

.elc-panel-subtitle {
  font-size: 0.8125rem;
  color: var(--elc-ink-soft);
  margin: 0 0 16px 0;
}

.elc-ad {
  overflow: hidden;
  min-height: 280px;
}

/* Appliance List */
.elc-appliance-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid var(--elc-line);
  border-radius: var(--elc-radius);
  padding: 8px;
  background: var(--elc-surface);
}

.elc-appliance-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--elc-card);
  border: 1px solid var(--elc-line);
  border-radius: var(--elc-radius);
  font-size: 0.8125rem;
}

.elc-appliance-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  color: var(--elc-ink);
  font-weight: 500;
}

.elc-appliance-watts {
  font-weight: 700;
  color: var(--elc-ink-soft);
  font-variant-numeric: tabular-nums;
}

/* Custom Add */
.elc-custom-add {
  padding: 12px;
  background: var(--elc-surface);
  border: 1px solid var(--elc-line);
  border-radius: var(--elc-radius);
}

/* Inputs */
.elc-grid {
  display: grid;
  gap: 10px;
}

.elc-grid-2 {
  grid-template-columns: 1fr 1fr;
}

.elc-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--elc-ink);
  margin-bottom: 6px;
}

.elc-input-wrap {
  display: flex;
  align-items: center;
  position: relative;
}

.elc-input,
.elc-select {
  width: 100%;
  padding: 8px 12px;
  font-size: 0.875rem;
  color: var(--elc-ink);
  background: var(--elc-card);
  border: 1px solid var(--elc-line);
  border-radius: var(--elc-radius);
  font-family: inherit;
  box-sizing: border-box;
}

.elc-input:focus,
.elc-select:focus {
  outline: 2px solid var(--elc-primary);
  border-color: var(--elc-primary);
}

.elc-unit-sfx {
  position: absolute;
  right: 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--elc-ink-soft);
  pointer-events: none;
}

.elc-input-wrap .elc-input {
  padding-right: 28px;
}

/* Meter Box */
.elc-meter-box {
  padding: 16px;
  background: var(--elc-surface);
  border: 1px solid var(--elc-line);
  border-radius: var(--elc-radius);
}

.elc-meter-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  margin-bottom: 8px;
  color: var(--elc-ink);
}

.elc-meter-bar {
  width: 100%;
  height: 12px;
  background: var(--elc-line);
  border-radius: 9999px;
  overflow: hidden;
}

.elc-meter-fill {
  height: 100%;
  transition: width 0.25s ease, background-color 0.25s ease;
}

.elc-meter-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 0.6875rem;
  color: var(--elc-ink-soft);
  margin-top: 6px;
}

/* NEC Box */
.elc-nec-box {
  padding: 14px;
  background: var(--elc-surface);
  border-left: 3px solid var(--elc-primary);
  border-radius: 0 var(--elc-radius) var(--elc-radius) 0;
}

.elc-nec-title {
  font-size: 0.875rem;
  font-weight: 700;
  margin: 0 0 6px 0;
  color: var(--elc-ink);
}

.elc-nec-text {
  font-size: 0.8125rem;
  line-height: 1.5;
  margin: 0;
  color: var(--elc-ink-soft);
}

/* Wire Box */
.elc-wire-box {
  padding: 16px;
  background: var(--elc-surface);
  border: 1px solid var(--elc-line);
  border-radius: var(--elc-radius);
  text-align: center;
}

.elc-wire-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--elc-ink-soft);
}

.elc-wire-num {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--elc-primary);
  margin: 4px 0;
  font-variant-numeric: tabular-nums;
}

.elc-wire-sub {
  font-size: 0.8125rem;
  color: var(--elc-ink-soft);
}

/* Action Bar */
.elc-action-bar {
  margin-top: 20px;
}

.elc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--elc-radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.15s ease;
  background: var(--elc-primary);
  color: #ffffff;
}

.elc-btn:hover {
  background: var(--elc-primary-hover);
}

.elc-btn-primary {
  background: var(--elc-primary);
  color: #ffffff;
}

.elc-btn-primary:hover {
  background: var(--elc-primary-hover);
}

.elc-btn-sm {
  padding: 6px 14px;
  font-size: 0.8125rem;
}

.elc-btn-secondary {
  background: var(--elc-surface);
  color: var(--elc-ink);
  border-color: var(--elc-line);
}

.elc-btn-secondary:hover {
  background: var(--elc-card);
  border-color: var(--elc-ink);
}

/* Hero Summary */
.elc-summary-hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.elc-hero-card {
  padding: 20px;
  border: 1px solid var(--elc-line);
  border-radius: var(--elc-radius);
  background: var(--elc-surface);
}

.elc-hero-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--elc-ink-soft);
  margin-bottom: 6px;
}

.elc-hero-value {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--elc-primary);
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

.elc-hero-sub {
  font-size: 0.8125rem;
  color: var(--elc-ink-soft);
}

/* Stat Grid */
.elc-grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.elc-stat-grid {
  margin-top: 16px;
}

.elc-stat-box {
  padding: 14px;
  background: var(--elc-card);
  border: 1px solid var(--elc-line);
  border-radius: var(--elc-radius);
}

.elc-stat-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--elc-ink-soft);
  margin-bottom: 4px;
}

.elc-stat-num {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--elc-ink);
  font-variant-numeric: tabular-nums;
}

.elc-stat-sub {
  display: block;
  font-size: 0.75rem;
  color: var(--elc-ink-soft);
  margin-top: 2px;
}

/* Callout */
.elc-callout {
  margin-top: 20px;
  padding: 16px;
  background: var(--elc-surface);
  border-left: 3px solid var(--elc-primary);
  border-radius: 0 var(--elc-radius) var(--elc-radius) 0;
}

.elc-callout-title {
  font-size: 0.875rem;
  font-weight: 700;
  margin: 0 0 4px 0;
  color: var(--elc-ink);
}

.elc-callout-text {
  font-size: 0.8125rem;
  line-height: 1.5;
  margin: 0;
  color: var(--elc-ink-soft);
}

@media (max-width: 640px) {
  .elc-controls-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .elc-control-group {
    justify-content: space-between;
  }
}

/* tf:dark-palette — generated by migrate_chrome.py */
/* Neutrals inherit the shared chrome tokens so all tools share one
   ground; brand hues are kept and lightened, never inverted. */
[data-theme="dark"] {
  --elc-bg: var(--tf-surface);
  --elc-surface: var(--tf-surface);
  --elc-card: var(--tf-surface);
  --elc-border: var(--tf-surface);
  --elc-line: #98abc3;
  --elc-ink: var(--tf-ink);
  --elc-ink-soft: var(--tf-ink-soft);
  --elc-ink-faint: var(--tf-ink-faint);
  --elc-primary-hover: #d38f66;
  --elc-green: #5ed089;
  --elc-warn: #dab181;
  --elc-red: #da8181;
}