Add visual polish and micro-interactions for editorial feel

Phase 1 - Critical Fixes:
- EmptyState: warm palette, coral button, Playfair Display title
- Pagination: design system colors, coral active state
- LoadingSkeleton: warm shimmer with coral tint

Phase 2 - Signature Patterns:
- Navigation: sliding underline hover effect on links
- globals.css: increased noise texture opacity for paper feel
- RankingsView: alternating row backgrounds
- HomeView: decorative coral bar under section headings

Phase 3 - Polish:
- SchoolCard: SVG trend icons replacing unicode arrows
- RankingsView: styled metallic rank badges replacing emoji medals

Phase 4 - Micro-interactions:
- Navigation badge: pop animation when count changes
- HomeView grid: staggered entry animation for cards

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

nextjs-app/components/EmptyState.module.css

@@ -5,43 +5,53 @@
   justify-content: center;
   padding: 4rem 2rem;
   text-align: center;
-  background: white;
-  border: 2px dashed #e5e7eb;
-  border-radius: 12px;
+  background: var(--bg-card, white);
+  border: 2px solid var(--border-color, #e5dfd5);
+  border-radius: 16px;
   min-height: 400px;
+  box-shadow: var(--shadow-soft, 0 2px 8px rgba(26, 22, 18, 0.06));
 }
 
 .icon {
-  color: #d1d5db;
+  color: var(--text-muted, #8a847a);
   margin-bottom: 1.5rem;
+  opacity: 0.7;
 }
 
 .title {
-  margin: 0 0 0.5rem 0;
-  font-size: 1.25rem;
-  font-weight: 600;
-  color: #1f2937;
+  margin: 0 0 0.75rem 0;
+  font-size: 1.5rem;
+  font-weight: 700;
+  color: var(--text-primary, #1a1612);
+  font-family: var(--font-playfair), 'Playfair Display', serif;
 }
 
 .message {
-  margin: 0 0 1.5rem 0;
+  margin: 0 0 2rem 0;
   font-size: 1rem;
-  color: #6b7280;
+  color: var(--text-secondary, #5c564d);
   max-width: 500px;
+  line-height: 1.6;
 }
 
 .button {
-  padding: 0.75rem 1.5rem;
+  padding: 0.875rem 2rem;
   font-size: 1rem;
-  font-weight: 500;
-  background: #3b82f6;
+  font-weight: 600;
+  background: var(--accent-coral, #e07256);
   color: white;
   border: none;
-  border-radius: 6px;
+  border-radius: 8px;
   cursor: pointer;
   transition: all 0.2s ease;
 }
 
 .button:hover {
-  background: #2563eb;
+  background: var(--accent-coral-dark, #c45a3f);
+  transform: translateY(-1px);
+  box-shadow: 0 4px 12px rgba(224, 114, 86, 0.3);
+}
+
+.button:active {
+  transform: translateY(0);
 }