style(home): drop weather-hint block; recolor trams 23 green, 27 blue, 39 red

Weather hint (оденьтесь потеплее / не забудьте зонт) was pushing the
home screen past one viewport on the tablet — removed the block and its
helper fn. New tram color palette per user preference.

app/page.tsx

@@ -416,21 +416,7 @@ function HomeTab({ weather, sensors }: { weather: WeatherData | null; sensors: S
     return () => clearInterval(t)
   }, [])
 
-  // Weather hint
-  const getWeatherHint = (): string | null => {
-    if (!weather) return null
-    const desc = weather.desc.toLowerCase()
-    const temp = parseInt(weather.temp)
-    if (desc.includes('дождь') || desc.includes('ливен') || desc.includes('морос')) return '☂️ Не забудьте зонт'
-    if (desc.includes('снег')) return '🧤 На улице снег, одевайтесь теплее'
-    if (desc.includes('гроз')) return '⛈️ Ожидается гроза'
-    if (temp <= 0) return '🥶 На улице мороз'
-    if (temp <= 5) return '🧥 Оденьтесь потеплее'
-    if (temp >= 30) return '🥵 Очень жарко, пейте воду'
-    return null
-  }
 
-  const hint = getWeatherHint()
 
   return (
     <div style={{ flex: 1, overflowY: 'auto', WebkitOverflowScrolling: 'touch' as any, padding: '20px 24px 28px', display: 'flex', flexDirection: 'column', gap: 14 }}>
@@ -439,16 +425,6 @@ function HomeTab({ weather, sensors }: { weather: WeatherData | null; sensors: S
         <h1 style={{ fontSize: 26, fontWeight: 800, color: 'var(--text-primary)', letterSpacing: '-0.5px', margin: 0 }}>
           {greeting} 👋
         </h1>
-        {hint && (
-          <div style={{
-            fontSize: 14, color: 'var(--text-primary)', marginTop: 8,
-            padding: '10px 16px', borderRadius: 12,
-            background: 'rgba(251,191,36,0.08)', border: '1px solid rgba(251,191,36,0.15)',
-            fontWeight: 500,
-          }}>
-            {hint}
-          </div>
-        )}
       </div>
 
       {/* Weather — full width compact */}

components/TransportWidget.tsx

@@ -22,9 +22,9 @@ const DIRECTIONS: Direction[] = [
 ]
 
 const ROUTES: { num: string; color: string; bg: string }[] = [
-  { num: '23', color: '#60a5fa', bg: 'linear-gradient(135deg, #3b82f6, #2563eb)' },
-  { num: '27', color: '#fbbf24', bg: 'linear-gradient(135deg, #f59e0b, #d97706)' },
-  { num: '39', color: '#c084fc', bg: 'linear-gradient(135deg, #a855f7, #7c3aed)' },
+  { num: '23', color: '#34d399', bg: 'linear-gradient(135deg, #10b981, #059669)' },
+  { num: '27', color: '#60a5fa', bg: 'linear-gradient(135deg, #3b82f6, #2563eb)' },
+  { num: '39', color: '#f87171', bg: 'linear-gradient(135deg, #ef4444, #dc2626)' },
 ]
 
 function formatMinutes(m: number): string {