:root {
  --rigs-bg-card: #ffffff;
  --rigs-border: #e2e8f0;
  --rigs-text: #1e293b;
  --rigs-muted: #64748b;
  --rigs-primary: #8b5cf6;
  --rigs-primary-hover: #7c3aed;
  --rigs-primary-fg: #ffffff;
  --rigs-btn-bg: #f8fafc;
  --rigs-btn-border: #cbd5e1;
  --rigs-btn-hover: #e2e8f0;
  --rigs-stat-bg: #f8fafc;
  --rigs-badge-bg: #ede9fe;
  --rigs-badge-text: #6d28d9;
  --rigs-feedback-bg: #ede9fe;
  --rigs-feedback-text: #6d28d9;
}

.rigs-main {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

.rigs-card {
  background: var(--rigs-bg-card);
  border: 1px solid var(--rigs-border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.rigs-cat-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.rigs-cat-btn {
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 9999px;
  border: 1px solid var(--rigs-border);
  background-color: var(--rigs-btn-bg);
  color: var(--rigs-muted);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.rigs-cat-btn:hover {
  color: var(--rigs-text);
}

.rigs-cat-active {
  background-color: var(--rigs-primary);
  color: var(--rigs-primary-fg);
  border-color: var(--rigs-primary);
}

.rigs-cat-active:hover {
  color: var(--rigs-primary-fg);
}

.rigs-showcase {
  background: var(--rigs-stat-bg);
  border: 1px solid var(--rigs-border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
  margin-bottom: 1.5rem;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.rigs-quote-icon {
  font-family: Georgia, serif;
  font-size: 3rem;
  line-height: 1;
  color: var(--rigs-primary);
  opacity: 0.3;
  margin-bottom: -1rem;
}

.rigs-quote-text {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--rigs-text);
  margin: 0.5rem 0 1rem 0;
  max-width: 650px;
}

.rigs-quote-meta {
  display: flex;
  justify-content: center;
}

.rigs-origin-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--rigs-badge-bg);
  color: var(--rigs-badge-text);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
}

.rigs-action-bar {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.rigs-btn {
  padding: 0.6rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.15s ease;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.rigs-btn-primary {
  background: var(--rigs-primary);
  color: var(--rigs-primary-fg);
  border: 1px solid var(--rigs-primary);
}

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

.rigs-btn-outline {
  background: var(--rigs-btn-bg);
  color: var(--rigs-text);
  border: 1px solid var(--rigs-btn-border);
}

.rigs-btn-outline:hover {
  background: var(--rigs-btn-hover);
}

.rigs-feedback {
  display: none;
  margin-bottom: 1.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  background-color: var(--rigs-feedback-bg);
  color: var(--rigs-feedback-text);
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
}

.rigs-builder-section {
  border-top: 1px solid var(--rigs-border);
  padding-top: 1.5rem;
}

.rigs-section-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--rigs-text);
  margin: 0 0 0.25rem 0;
}

.rigs-section-sub {
  font-size: 0.8125rem;
  color: var(--rigs-muted);
  margin: 0 0 1rem 0;
}

.rigs-builder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.rigs-col {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.rigs-col-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--rigs-muted);
}

.rigs-select {
  padding: 0.45rem 0.65rem;
  font-size: 0.875rem;
  border: 1px solid var(--rigs-border);
  border-radius: 6px;
  background-color: var(--rigs-stat-bg);
  color: var(--rigs-text);
}

.rigs-synthesized-box {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1rem;
  background-color: var(--rigs-stat-bg);
  border: 1px solid var(--rigs-border);
  border-radius: 8px;
}

.rigs-synth-prefix {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--rigs-muted);
}

.rigs-synth-result {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--rigs-primary);
  flex-grow: 1;
}

.rigs-btn-synth {
  background: var(--rigs-btn-bg);
  border: 1px solid var(--rigs-btn-border);
  color: var(--rigs-text);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.rigs-btn-synth:hover {
  border-color: var(--rigs-primary);
  color: var(--rigs-primary);
}

@media (max-width: 600px) {
  .rigs-action-bar {
    flex-direction: column;
  }
  .rigs-quote-text {
    font-size: 1.15rem;
  }
}
/* 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"] {
  --rigs-bg-card: var(--tf-surface);
  --rigs-border: var(--tf-surface);
  --rigs-text: var(--tf-ink);
  --rigs-muted: var(--tf-ink-faint);
  --rigs-primary: #9c81da;
  --rigs-primary-hover: #a281da;
  --rigs-primary-fg: var(--tf-surface);
  --rigs-btn-bg: var(--tf-surface);
  --rigs-btn-border: #98abc3;
  --rigs-btn-hover: var(--tf-surface);
  --rigs-stat-bg: var(--tf-surface);
  --rigs-badge-bg: var(--tf-surface);
  --rigs-badge-text: #a481da;
  --rigs-feedback-bg: var(--tf-surface);
  --rigs-feedback-text: #a481da;
}