Frontend: rozmery a farby dosky centralizovane do boardTheme

Sizing konstanty (seat/standings/guess/totals) presunute do boardTheme.ts a farebne odlisenie tipu v PlayerCircle (nad tip = terakota).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/src/components/Standings.tsx

@@ -2,6 +2,7 @@ import { useState } from 'react';
 import type { PlayerInfo } from '../types';
 import { computeTotal } from '../lib/standings';
 import { displayName } from '../lib/names';
+import { STANDINGS_FONT } from '../lib/boardTheme';
 
 interface Props {
   standings: number[][][];
@@ -40,14 +41,8 @@ export default function Standings({ standings, guesses = [], players, myOrder, d
   const ROUNDS_PER_SERIES = 8;
 
   // Bigger, more legible type on the wide desktop sidebar; compact on mobile.
-  const fz = {
-    head: desktop ? 11 : 10,
-    idx: desktop ? 13 : 9,
-    cell: desktop ? 19 : 14,
-    dot: desktop ? 18 : 13,
-    sigma: desktop ? 13 : 9,
-    total: desktop ? 20 : 18,
-  };
+  // Sizes live in one place (boardTheme.ts) alongside the rest of the board.
+  const fz = desktop ? STANDINGS_FONT.desktop : STANDINGS_FONT.mobile;
 
   const gridCols = { gridTemplateColumns: `28px repeat(${cols.length}, 1fr)` };