feat: replace text loading messages with PageSpinner component

Add a shared PageSpinner (spinning ring + optional label) and use it
in all pages that previously showed a plain text loading message:
home, stats, player, team, and tournament pages.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/client.tsx

@@ -3,6 +3,7 @@ import { useQuery, gql } from '@/lib/graphql/hooks'
 import Link from 'next/link'
 import { TeamFlag } from '@/components/team-flag'
 import { LiveBadge } from '@/components/live-badge'
+import { PageSpinner } from '@/components/page-spinner'
 import { MatchCard } from '@/components/match-card'
 
 const HOME_QUERY = gql`
@@ -231,9 +232,7 @@ export function HomeClient() {
           </div>
         )}
 
-        {loading && !data && (
-          <div className="py-16 text-center text-green-muted text-sm">Loading live World Cup data…</div>
-        )}
+        {loading && !data && <PageSpinner />}
       </div>
     </div>
   )

app/players/[name]/client.tsx

@@ -4,6 +4,7 @@ import { use, useEffect } from 'react'
 import Link from 'next/link'
 import { TeamFlag } from '@/components/team-flag'
 import { MatchCard } from '@/components/match-card'
+import { PageSpinner } from '@/components/page-spinner'
 
 const PLAYER_QUERY = gql`
   query Player($name: String!) {
@@ -46,7 +47,7 @@ export function PlayerClient({ params }: { params: Promise<{ name: string }> })
   `)
 
   if (loading && !data) {
-    return <div className="max-w-[1200px] mx-auto px-7 py-10 text-green-muted">Loading player…</div>
+    return <PageSpinner />
   }
 
   if (!player) {

app/stats/client.tsx

@@ -2,6 +2,7 @@
 import { useQuery, gql } from '@/lib/graphql/hooks'
 import Link from 'next/link'
 import { TeamFlag } from '@/components/team-flag'
+import { PageSpinner } from '@/components/page-spinner'
 import {
   ChartBarIcon, StarIcon, TrophyIcon, ClockIcon, BoltIcon,
   FireIcon, SparklesIcon, ArrowPathIcon, GlobeEuropeAfricaIcon, TableCellsIcon,
@@ -92,9 +93,7 @@ export function StatsClient() {
     <div className="max-w-[1200px] mx-auto px-7 py-10 pb-16">
       <h1 className="font-['Bebas_Neue'] text-[52px] tracking-[0.04em] text-green leading-none mb-10">Historical Statistics</h1>
 
-      {loading && !data && (
-        <div className="text-green-muted text-sm py-16 text-center">Loading statistics…</div>
-      )}
+      {loading && !data && <PageSpinner />}
 
       {/* ── Goals per tournament bar chart ── */}
       {tournaments.length > 0 && (

app/teams/[slug]/client.tsx

@@ -4,6 +4,7 @@ import { use, useEffect } from 'react'
 import Link from 'next/link'
 import { TeamFlag } from '@/components/team-flag'
 import { TrophyIcon } from '@heroicons/react/24/outline'
+import { PageSpinner } from '@/components/page-spinner'
 
 const TEAM_QUERY = gql`
   query Team($slug: String!) {
@@ -76,7 +77,7 @@ export function TeamClient({ params }: { params: Promise<{ slug: string }> }) {
   const years = Object.keys(matchesByYear).map(Number).sort((a, b) => b - a)
 
   if (loading && !teamData) {
-    return <div className="max-w-[1200px] mx-auto px-7 py-10 text-green-muted">Loading team…</div>
+    return <PageSpinner />
   }
 
   if (!team) {

app/tournaments/[year]/client.tsx

@@ -3,6 +3,7 @@ import { useQuery, gql } from '@/lib/graphql/hooks'
 import { use, useEffect } from 'react'
 import Link from 'next/link'
 import { TeamFlag } from '@/components/team-flag'
+import { PageSpinner } from '@/components/page-spinner'
 import { MatchCard } from '@/components/match-card'
 import { LiveBadge } from '@/components/live-badge'
 
@@ -114,12 +115,7 @@ export function TournamentClient({ params }: { params: Promise<{ year: string }>
   const maxScorer = Math.max(...(t?.topScorers?.map((s: { goals: number }) => s.goals) ?? [1]), 1)
 
   if (loading && !data) {
-    return (
-      <div className="max-w-[1200px] mx-auto px-7 py-10">
-        <div className="h-24 w-48 rounded-xl animate-pulse mb-6 bg-card" />
-        <div className="text-green-muted text-sm">Loading {year} World Cup…</div>
-      </div>
-    )
+    return <PageSpinner label={`${year} World Cup`} />
   }
 
   if (!t) return <div className="max-w-[1200px] mx-auto px-7 py-10 text-green-muted">Tournament {year} not found.</div>

components/page-spinner.tsx

@@ -0,0 +1,8 @@
+export function PageSpinner({ label }: { label?: string }) {
+  return (
+    <div className="flex flex-col items-center justify-center gap-4 py-24 text-green-muted">
+      <div className="w-8 h-8 rounded-full border-2 border-green/20 border-t-green animate-spin" />
+      {label && <span className="text-sm tracking-wide">{label}</span>}
+    </div>
+  )
+}