.explorer-layout {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--nav-height));
  overflow: hidden;
}

/* ── Toolbar ────────────────────────────────────────────────────────────────── */
.explorer-toolbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.explorer-toolbar h2 {
  font-size: 1rem;
  font-family: var(--font-serif);
  margin-right: auto;
}

/* ── Filter chips bar ────────────────────────────────────────────────────────── */
.chips-bar {
  background: var(--cream-dark);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  min-height: 40px;
  flex-shrink: 0;
}

.chips-bar.empty { display: none; }

.chips-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex-shrink: 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.78rem;
}

.chip-col  { font-weight: 600; color: var(--accent); }
.chip-op   { color: var(--text-muted); font-size: 0.72rem; }
.chip-val  { color: var(--text); font-family: var(--font-mono); }

.chip-remove {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
  margin-left: 0.1rem;
  border: none;
  background: none;
  padding: 0;
}
.chip-remove:hover { color: var(--error); }

.chips-clear {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 2px;
  font-family: var(--font-sans);
  margin-left: 0.25rem;
}
.chips-clear:hover { color: var(--accent); background: rgba(0,0,0,0.04); }

/* ── Filter popover ─────────────────────────────────────────────────────────── */
.filter-popover-overlay {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: none;
}
.filter-popover-overlay.open { display: block; }

.filter-popover {
  position: fixed;
  top: calc(var(--nav-height) + 56px);
  left: 1.5rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  width: 320px;
  padding: 1.25rem;
  z-index: 151;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.filter-popover-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}

.filter-step-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  display: block;
}

.filter-col-select,
.filter-value-input {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: #fff;
  color: var(--text);
  margin-bottom: 1rem;
  outline: none;
}
.filter-col-select:focus,
.filter-value-input:focus { border-color: var(--accent); }

.filter-col-select option[value=""] { color: var(--text-muted); }

/* Popover actions */
.filter-popover-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

/* ── Filter badge on button ──────────────────────────────────────────────────── */
.filter-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  font-size: 0.68rem;
  font-weight: 700;
  margin-left: 0.1rem;
}

/* ── Explorer body ────────────────────────────────────────────────────────────── */
.explorer-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ── Table ────────────────────────────────────────────────────────────────────── */
.table-container {
  flex: 1;
  overflow: auto;
  position: relative;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table thead th {
  background: var(--cream-dark);
  border-bottom: 2px solid var(--border);
  padding: 0.5rem 0.85rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  text-align: left;
}

.data-table thead th:hover { color: var(--text); background: #ede5d8; }
.data-table thead th.sort-asc::after  { content: ' ↑'; color: var(--accent); }
.data-table thead th.sort-desc::after { content: ' ↓'; color: var(--accent); }

.data-table tbody td {
  padding: 0.45rem 0.85rem;
  border-bottom: 1px solid var(--border-light);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  white-space: nowrap;
  color: var(--text);
}

.data-table tbody tr:hover td { background: var(--cream-dark); }

.load-more-row td {
  text-align: center;
  padding: 1rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.8rem;
}

/* ── Footer ────────────────────────────────────────────────────────────────────── */
.explorer-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 0.5rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}