/* ── Decision Tree ──────────────────────────────────────────────── */
.tree-view {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 0;
}

.tree-intro {
  text-align: center;
  margin-bottom: 1.5rem;
}

.tree-intro h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.tree-intro .tree-intro-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  max-width: 480px;
  margin: 0 auto;
}

/* Progress bar */
.tree-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
  color: var(--color-gray-500);
}

.tree-progress .progress-label {
  flex-shrink: 0;
}

.tree-progress .progress-bar-track {
  flex: 1;
  max-width: 300px;
  height: 6px;
  background: var(--color-gray-200);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.tree-progress .progress-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-pill);
  transition: width 0.35s ease;
}

.tree-progress .progress-count {
  flex-shrink: 0;
  font-weight: 600;
  color: var(--color-gray-700);
}

/* Step indicators */
.tree-step-indicators {
  display: flex;
  justify-content: center;
  gap: 0.375rem;
  margin-bottom: 1.5rem;
}

.tree-step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
  border: 2px solid var(--color-gray-300);
  background: var(--color-surface);
  color: var(--color-gray-400);
  transition: all var(--transition-normal);
}

.tree-step-dot.completed {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-primary-text);
}

.tree-step-dot.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Question card */
.tree-question-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  margin-bottom: 1rem;
}

.tree-question {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.tree-help {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-gray-100);
}

.tree-choices {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.tree-choice-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.875rem 1.125rem;
  font-size: 0.95rem;
  font-family: var(--font-family);
  font-weight: 500;
  text-align: left;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tree-choice-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.tree-choice-btn:focus-visible {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
  outline: none;
}

.tree-choice-btn.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.tree-choice-btn.selected .choice-icon {
  background: var(--color-primary);
  color: var(--color-primary-text);
}

.tree-choice-btn .choice-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-gray-100);
  color: var(--color-gray-600);
  font-size: 1.1rem;
}

.tree-choice-btn:hover .choice-icon {
  background: var(--color-primary);
  color: var(--color-primary-text);
}

/* Tree nav buttons */
.tree-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.tree-nav .tree-back-btn,
.tree-nav .tree-skip-btn,
.tree-nav .tree-results-btn {
  padding: 0.5rem 1.125rem;
  font-size: 0.85rem;
  font-family: var(--font-family);
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tree-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-300);
  color: var(--color-gray-700);
}

.tree-back-btn:hover {
  background: var(--color-gray-200);
}

.tree-skip-btn {
  background: none;
  border: 1px solid var(--color-gray-300);
  color: var(--color-gray-500);
  margin-left: auto;
}

.tree-skip-btn:hover {
  border-color: var(--color-gray-400);
  color: var(--color-gray-700);
}

.tree-results-btn {
  background: var(--color-primary);
  border: none;
  color: var(--color-primary-text);
}

.tree-results-btn:hover {
  background: var(--color-primary-dark);
}

/* Live count badge */
.tree-live-count {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
  padding: 0.625rem 1rem;
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.tree-live-count.empty {
  background: #fef3c7;
  border-color: #f59e0b;
  color: #92400e;
}

/* Tree results empty state */
.tree-empty-results {
  text-align: center;
  padding: 2rem 1rem;
}

.tree-empty-results p {
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.tree-empty-results .btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  font-family: var(--font-family);
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.tree-empty-results .btn:hover {
  background: var(--color-primary-dark);
}

/* Tree origin filter pills */
.active-filter-pill.tree-origin {
  background: #f0fdf4;
  border-color: #16a34a;
  color: #166534;
}

.active-filter-pill.tree-origin .tree-pill-icon {
  margin-right: 0.125rem;
  font-size: 0.75rem;
}

/* Tag active filter pills — green/purple distinct from blue category pills */
.active-filter-pill.filter-type-tags {
  background: #f3e8ff;
  border-color: #7c3aed;
  color: #6d28d9;
}

.active-filter-pill.filter-type-tags button:hover {
  background: #7c3aed;
  color: #fff;
}

/* Tag pills that are also tree-origin — use tree green */
.active-filter-pill.filter-type-tags.tree-origin {
  background: #f0fdf4;
  border-color: #16a34a;
  color: #166534;
}

/* ── Reduced motion ──────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Compare toggle on cards ──────────────────────────────────────── */
.db-card-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.compare-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-gray-400);
  cursor: pointer;
  padding: 0;
  transition: background var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast);
}

.compare-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.compare-toggle.selected {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-text);
}

.compare-toggle.selected:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-primary-text);
}

.compare-toggle:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.compare-toggle:disabled:hover {
  border-color: var(--color-gray-300);
  color: var(--color-gray-400);
  background: var(--color-surface);
}

.compare-icon {
  display: block;
}

/* ── Compare view ─────────────────────────────────────────────────── */
.compare-view {
  max-width: 100%;
  padding: 0.5rem 0 2rem;
}

.compare-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.compare-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.compare-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-left: -0.25rem;
}

.back-browse-btn {
  margin-left: auto;
  padding: 0.5rem 1.125rem;
  font-size: 0.85rem;
  font-family: var(--font-family);
  font-weight: 500;
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  color: var(--color-gray-700);
  cursor: pointer;
  transition: background var(--transition-fast),
              border-color var(--transition-fast);
}

.back-browse-btn:hover {
  background: var(--color-gray-200);
  border-color: var(--color-gray-400);
}

/* Comparison table wrapper with horizontal scroll */
.compare-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

/* ── Comparison table ─────────────────────────────────────────────── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  line-height: 1.5;
  min-width: 600px;
}

/* Sticky first column (row labels) */
.comparison-table thead th:first-child,
.comparison-table tbody th:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--color-surface);
}

.comparison-table thead th:first-child {
  z-index: 3;
  border-bottom: 2px solid var(--color-border);
}

/* Row label header (top-left corner) */
.compare-row-label-header {
  min-width: 140px;
  width: 140px;
  background: var(--color-gray-50);
  border-bottom: 2px solid var(--color-border);
}

/* Column headers */
.compare-col-header {
  padding: 0.75rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 2px solid var(--color-border);
  background: var(--color-gray-50);
  min-width: 200px;
}

.compare-col-header-content {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.compare-db-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
  text-decoration: none;
}

.compare-db-name:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.compare-remove-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border: none;
  background: none;
  color: var(--color-gray-400);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 50%;
  padding: 0;
  transition: background var(--transition-fast),
              color var(--transition-fast);
}

.compare-remove-btn:hover {
  background: #fee2e2;
  color: #dc2626;
}

/* Row labels */
.compare-row-label {
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--color-gray-700);
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-200);
  vertical-align: top;
  white-space: nowrap;
}