/* Database browser — style ported from the standalone "Cross Reference DB" tool.
   Everything is scoped under #dbb and uses dbb- class names so it cannot
   collide with SKUWalk's global .badge / .toolbar / table rules. */

#dbb {
  --dbb-bg: #f1f5f9;
  --dbb-surface: #ffffff;
  --dbb-border: #e2e8f0;
  --dbb-nav-bg: #0f172a;
  --dbb-nav-text: #94a3b8;
  --dbb-nav-act: #ffffff;
  --dbb-nav-mark: #3b82f6;
  --dbb-primary: #3b82f6;
  --dbb-text: #0f172a;
  --dbb-text-2: #475569;
  --dbb-text-3: #94a3b8;
  --dbb-amber: #f59e0b;
  --dbb-radius: 6px;
  --dbb-shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);

  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  flex-direction: column;
  background: var(--dbb-bg);
  color: var(--dbb-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.4;
}
#dbb.dbb-open { display: flex; }
#dbb *, #dbb *::before, #dbb *::after { box-sizing: border-box; }

/* Top bar */
#dbb .dbb-header {
  background: var(--dbb-nav-bg); color: #fff; padding: 0 20px;
  display: flex; align-items: center; gap: 12px; height: 52px; flex-shrink: 0;
  border-bottom: 1px solid #1e293b;
}
#dbb .dbb-logo { font-size: 16px; font-weight: 700; letter-spacing: -.3px; }
#dbb .dbb-sub { font-size: 12px; color: var(--dbb-text-3); margin-top: 1px; }
#dbb .dbb-back {
  margin-left: auto; background: transparent; color: var(--dbb-nav-text);
  border: 1px solid #334155; border-radius: var(--dbb-radius);
  padding: 6px 12px; font-size: 12px; font-weight: 600; cursor: pointer;
}
#dbb .dbb-back:hover { color: #fff; background: #1e293b; }

/* Layout */
#dbb .dbb-layout { display: flex; flex: 1; overflow: hidden; }
#dbb .dbb-nav {
  width: 208px; flex-shrink: 0; background: var(--dbb-nav-bg);
  display: flex; flex-direction: column; padding: 8px 0;
  border-right: 1px solid #1e293b; overflow-y: auto;
}
#dbb .dbb-nav-label {
  font-size: 10px; font-weight: 600; letter-spacing: .08em;
  color: #475569; padding: 16px 16px 4px; text-transform: uppercase;
}
#dbb .dbb-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 16px; color: var(--dbb-nav-text);
  font-size: 13px; font-weight: 500; cursor: pointer;
  border-left: 3px solid transparent; transition: background .12s, color .12s;
}
#dbb .dbb-nav-item:hover { background: #1e293b; color: var(--dbb-nav-act); }
#dbb .dbb-nav-item.dbb-active { background: #1e293b; color: var(--dbb-nav-act); border-left-color: var(--dbb-nav-mark); }
#dbb .dbb-nav-icon { font-size: 15px; width: 18px; text-align: center; }
#dbb .dbb-nav-count { margin-left: auto; font-size: 11px; color: #64748b; font-variant-numeric: tabular-nums; }

#dbb .dbb-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }
#dbb .dbb-section { flex: 1; display: flex; flex-direction: column; overflow: hidden; padding: 20px; min-height: 0; }
#dbb .dbb-title { font-size: 16px; font-weight: 700; margin-bottom: 14px; }
#dbb .dbb-subtitle { font-size: 13px; color: var(--dbb-text-2); margin-top: 2px; font-weight: 400; }

/* Cards */
#dbb .dbb-card {
  background: var(--dbb-surface); border: 1px solid var(--dbb-border);
  border-radius: var(--dbb-radius); box-shadow: var(--dbb-shadow);
}
#dbb .dbb-card-fill { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-height: 0; }
#dbb .dbb-stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; overflow-y: auto; }
#dbb .dbb-stat { padding: 18px 20px; cursor: pointer; transition: border-color .12s; text-align: left; font: inherit; color: inherit; }
#dbb .dbb-stat:hover { border-color: var(--dbb-primary); }
#dbb .dbb-stat-label { font-size: 12px; color: var(--dbb-text-2); font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
#dbb .dbb-stat-value { font-size: 28px; font-weight: 700; margin-top: 6px; line-height: 1; font-variant-numeric: tabular-nums; }

/* Toolbar */
#dbb .dbb-toolbar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 12px 16px; border-bottom: 1px solid var(--dbb-border);
}
#dbb .dbb-toolbar input, #dbb .dbb-toolbar select {
  padding: 7px 10px; border: 1px solid var(--dbb-border); border-radius: var(--dbb-radius);
  font-size: 13px; color: var(--dbb-text); background: var(--dbb-surface);
  outline: none; transition: border-color .15s; max-width: 220px; height: auto;
}
#dbb .dbb-toolbar input:focus, #dbb .dbb-toolbar select:focus { border-color: var(--dbb-primary); }
#dbb .dbb-toolbar input.dbb-search { width: 260px; }
#dbb .dbb-count { margin-left: auto; font-size: 12px; color: var(--dbb-text-3); white-space: nowrap; }
#dbb .dbb-btn {
  padding: 7px 12px; border: 1px solid var(--dbb-border); border-radius: var(--dbb-radius);
  background: var(--dbb-surface); color: var(--dbb-text); font-size: 12px; font-weight: 600;
  cursor: pointer; white-space: nowrap;
}
#dbb .dbb-btn:hover:not(:disabled) { border-color: var(--dbb-primary); color: var(--dbb-primary); }
#dbb .dbb-btn:disabled { opacity: .5; cursor: default; }
#dbb .dbb-notice {
  padding: 8px 16px; font-size: 12px; background: #fef3c7; color: #92400e;
  border-bottom: 1px solid var(--dbb-border);
}
#dbb .dbb-error { padding: 8px 16px; font-size: 12px; background: #fee2e2; color: #b91c1c; border-bottom: 1px solid var(--dbb-border); }

/* Table */
#dbb .dbb-table-wrap { flex: 1; overflow: auto; min-height: 0; }
#dbb table { width: 100%; border-collapse: collapse; font-size: 13px; background: transparent; margin: 0; }
#dbb thead th {
  position: sticky; top: 0; z-index: 1;
  background: #f8fafc; border-bottom: 2px solid var(--dbb-border);
  padding: 9px 12px; text-align: left; font-weight: 600; font-size: 12px;
  color: var(--dbb-text-2); white-space: nowrap; letter-spacing: .02em;
}
#dbb tbody tr { border-bottom: 1px solid #f1f5f9; }
#dbb tbody tr:hover { background: #f8fafc; }
#dbb tbody td { padding: 8px 12px; color: var(--dbb-text); vertical-align: middle; border: 0; border-bottom: 1px solid #f1f5f9; background: transparent; }
#dbb tbody td.dbb-mono { font-family: ui-monospace, monospace; font-size: 12px; }
#dbb tbody td.dbb-right { text-align: right; font-variant-numeric: tabular-nums; }
#dbb .dbb-empty { text-align: center; color: var(--dbb-text-3); padding: 40px; font-size: 13px; }
#dbb .dbb-dim { color: var(--dbb-text-3); }

/* Badges */
#dbb .dbb-badge {
  display: inline-flex; align-items: center; padding: 2px 7px;
  border-radius: 20px; font-size: 11px; font-weight: 600; line-height: 1.4; white-space: nowrap;
}
#dbb .dbb-b-blue   { background: #dbeafe; color: #1d4ed8; }
#dbb .dbb-b-green  { background: #dcfce7; color: #15803d; }
#dbb .dbb-b-amber  { background: #fef3c7; color: #b45309; }
#dbb .dbb-b-red    { background: #fee2e2; color: #dc2626; }
#dbb .dbb-b-gray   { background: #f1f5f9; color: #475569; }
#dbb .dbb-b-purple { background: #ede9fe; color: #7c3aed; }

/* Part number link */
#dbb .dbb-pn {
  color: var(--dbb-primary); font-weight: 600; cursor: pointer;
  font-family: ui-monospace, monospace; font-size: 12px; background: none; border: 0; padding: 0;
}
#dbb .dbb-pn:hover { text-decoration: underline; }

/* Pagination */
#dbb .dbb-pagination {
  display: flex; align-items: center; gap: 4px; padding: 10px 16px;
  border-top: 1px solid var(--dbb-border); background: var(--dbb-surface);
}
#dbb .dbb-pagination button {
  padding: 5px 10px; border: 1px solid var(--dbb-border); border-radius: var(--dbb-radius);
  background: var(--dbb-surface); cursor: pointer; font-size: 12px; color: var(--dbb-text-2);
}
#dbb .dbb-pagination button:hover:not(:disabled) { background: #f1f5f9; color: var(--dbb-text); }
#dbb .dbb-pagination button.dbb-active { background: var(--dbb-primary); color: #fff; border-color: var(--dbb-primary); }
#dbb .dbb-pagination button:disabled { opacity: .4; cursor: default; }
#dbb .dbb-ellipsis { padding: 0 4px; color: var(--dbb-text-3); }

/* Equivalents slide-over */
#dbb .dbb-panel {
  position: absolute; top: 0; right: -480px; width: 480px; max-width: 100%; height: 100%;
  background: var(--dbb-surface); border-left: 1px solid var(--dbb-border);
  box-shadow: -4px 0 20px rgba(0,0,0,.12); z-index: 5;
  display: flex; flex-direction: column;
  transition: right .25s cubic-bezier(.4,0,.2,1);
}
#dbb .dbb-panel.dbb-open { right: 0; }
#dbb .dbb-panel-head {
  padding: 16px 20px; border-bottom: 1px solid var(--dbb-border);
  display: flex; align-items: center; justify-content: space-between;
}
#dbb .dbb-panel-head h3 { font-size: 14px; font-weight: 600; margin: 0; }
#dbb .dbb-panel-kicker { font-size: 11px; color: var(--dbb-text-3); margin-bottom: 2px; }
#dbb .dbb-panel-body { flex: 1; overflow-y: auto; padding: 16px 20px; }
#dbb .dbb-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--dbb-text-3); line-height: 1; padding: 2px 6px; }
#dbb .dbb-close:hover { color: var(--dbb-text); }
#dbb .dbb-equiv { padding: 10px 0; border-bottom: 1px solid var(--dbb-border); display: flex; flex-direction: column; gap: 4px; }
#dbb .dbb-equiv:last-child { border-bottom: none; }
#dbb .dbb-equiv-pn { font-family: ui-monospace, monospace; font-weight: 700; font-size: 14px; }
#dbb .dbb-equiv-mfr { font-size: 12px; color: var(--dbb-text-2); }
#dbb .dbb-equiv-desc { font-size: 12px; color: var(--dbb-text-3); }
#dbb .dbb-equiv-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 2px; }