/* ==========================================================================
   Wikipedia Quality Grid
   Always-visible 5x5 per-signal contribution grid + document score panel on
   the Wikipedia ranked list. See setup/STYLE_GUIDE/content-patterns.md §9.1
   and setup/STYLE_GUIDE/animation.md §6.
   ========================================================================== */

/* -------------------------------------------------------------------------
   Grid
   ------------------------------------------------------------------------- */

.wikipedia-grid {
  display: grid;
  grid-template-columns: repeat(5, 26px);
  gap: 3px;
  flex: 0 0 auto;
}

.wikipedia-cell {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-alt);
  font-size: var(--text-2xs);
  font-variant-numeric: tabular-nums;
  cursor: default;
}

.wikipedia-cell:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

.wikipedia-cell--empty {
  background: var(--bg-surface);
  outline: 1px solid var(--border);
  outline-offset: -1px;
}

.wikipedia-cell--blue-1 { color: var(--grid-blue-1); }
.wikipedia-cell--blue-2 { color: var(--grid-blue-2); }
.wikipedia-cell--blue-3 { color: var(--grid-blue-3); }
.wikipedia-cell--blue-4 { color: var(--grid-blue-4); font-weight: 700; }

.wikipedia-cell--negative {
  color: var(--error);
  font-weight: 700;
}

/* -------------------------------------------------------------------------
   Document score panel
   ------------------------------------------------------------------------- */

.wikipedia-score-panel {
  flex: 0 0 auto;
  width: auto;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
}

.wikipedia-score--green {
  background: var(--success);
  color: var(--color-white);
}

.wikipedia-score--yellow {
  background: var(--warning);
  color: var(--color-white);
}

.wikipedia-score--red {
  background: var(--error);
  color: var(--color-white);
}

/* -------------------------------------------------------------------------
   Copy button (unchanged glyph, new grid context)
   ------------------------------------------------------------------------- */

.wikipedia-signal-btn {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  min-width: 34px;
  min-height: 34px;
  padding: 0;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

.wikipedia-signal-btn:hover {
  background: var(--bg-surface-alt);
  border-color: var(--border);
  text-decoration: none;
}

.wikipedia-signal-btn.is-copied {
  color: var(--success);
  border-color: var(--success);
  background: var(--bg-surface-alt);
}

/* -------------------------------------------------------------------------
   Tooltip — one shared element, positioned by the delegated listener (JS-6).
   Pointer devices only; touch readers get full detail via the copy button.
   ------------------------------------------------------------------------- */

@media (hover: hover) and (pointer: fine) {
  .wikipedia-tooltip {
    position: fixed;
    z-index: 20;
    background: var(--text-primary);
    color: var(--bg-primary);
    font-size: var(--text-2xs);
    line-height: var(--leading-tight);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
    box-shadow: var(--shadow-md);
  }

  .wikipedia-tooltip.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -------------------------------------------------------------------------
   Mobile
   ------------------------------------------------------------------------- */

@media (max-width: 767px) {
  .wikipedia-grid {
    grid-template-columns: repeat(5, 22px);
    gap: 2px;
  }

  .wikipedia-cell {
    width: 22px;
    height: 22px;
  }
}