/* Products page (Slice 1B v1) — minimal, read-only catalog.
   Reuses shops-* classes from pages/shops.css for KPI grid, filter bar,
   and pagination. This file only adds products-specific layout and
   the coverage cell formatting. */

/* ── Page container ─────────────────────────────────────────────────────── */
.products-page {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* ── Period label between KPI grid and filter bar ───────────────────────── */
.products-period-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: calc(-1 * var(--space-2));
}
.products-period-label:empty { display: none; }

/* ── Sortable column headers ────────────────────────────────────────────── */
.products-table th[data-sortable="true"] {
  cursor: pointer;
  user-select: none;
}
.products-table th[data-sortable="true"]:hover {
  color: var(--color-text-primary);
}
.products-table th[aria-sort="ascending"]::after  { content: ' \25B2'; opacity: 0.7; }
.products-table th[aria-sort="descending"]::after { content: ' \25BC'; opacity: 0.7; }

/* ── Coverage cell ──────────────────────────────────────────────────────── */
/* Format: "3 / 5 (60%)" — tabular numerals for vertical alignment. */
.products-coverage {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ── Numeric cell alignment ─────────────────────────────────────────────── */
.products-table td.is-numeric,
.products-table th.is-numeric {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ── Empty state row ────────────────────────────────────────────────────── */
.products-empty {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--color-text-secondary);
}

/* ── Intro block (Slice 4A — PHASE4_UX_SLICE4A_INTRO_CSS) ────────────────────── */
.products-intro {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
}
.products-intro__title {
  font-size: var(--text-base);
  font-weight: 600;
  margin: 0 0 var(--space-2) 0;
  color: var(--color-text-primary);
}
.products-intro__text {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-text-secondary);
  margin: var(--space-2) 0 0 0;
}
.products-intro__text strong {
  color: var(--color-text-primary);
  font-weight: 600;
}
.products-intro__text:first-of-type { margin-top: 0; }

/* ── Filter group wrapper (Slice 4C — PHASE4_UX_SLICE4C_FILTER_GROUPS_CSS) ───────────── */
/* The outer <section class="shops-filter-bar products-filter-bar"> hosts 3
   groups laid out horizontally on wide screens. On narrow screens groups
   wrap to new rows while internal fields keep their own micro-layout. */
.products-filter-bar {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-5);
  align-items: flex-start;
}

.products-filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

/* Catalog group should grow to consume available space (search input is wide). */
.products-filter-group:nth-child(2) {
  flex: 1 1 320px;
}

.products-filter-group__label {
  font-size: var(--text-xs, 11px);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

/* Inside a group, reset row margin (group provides the gap via flex). */
.products-filter-group .shops-filter-bar__row {
  margin: 0;
}

/* Below 1100px, stack groups vertically. */
@media (max-width: 1100px) {
  .products-filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ── Custom date range row (PHASE_PRODUCTS_CUSTOM_RANGE_FRONTEND) ────────── */
/* Two date inputs sit side-by-side under the Period selector when period=custom.
   Hidden via [hidden] attribute toggled from JS. */
.products-date-range {
  display: flex;
  flex-direction: row;
  gap: var(--space-3);
  align-items: flex-end;
}
.products-date-range[hidden] {
  display: none;
}

/* ── Inline validation error (PHASE_PRODUCTS_CUSTOM_RANGE_FRONTEND_POLISH) ── */
/* Mirror of .shops-date-range-error from shops.css.
   Reserves vertical space to avoid layout shift on appear/clear. */
.products-date-range-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  min-height: 1em;
}
.products-date-range-error:empty {
  visibility: hidden;
}