feat: complete session — catalog, marketplace, WhatsApp, peer-to-peer, install scripts

Major features:
- Pixel-Perfect glassmorphism design (landing + POS + public catalog)
- OEM/Local catalog toggle with Nexpart taxonomy (14 groups, 108 subgroups, 558 part types)
- Marketplace B2B Phase 1 (bodegas, POs, status machine, WA+email notifications)
- Peer-to-peer inventory (multi-instance, LAN discovery)
- WhatsApp: photo→Vision AI, voice→Whisper, conversational quotations
- Smart unified search (VIN/plate/part_number/keyword auto-detect)
- Shop Supplies tab (vehicle-independent parts)
- Chatbot AI fallback chain (5 models) + response cache
- CSV inventory import tool + setup_instance.sh installer
- Tablet-responsive CSS + sidebar toggle
- Filters, export CSV, employee edit, business data save
- Quotation system (WA→POS) with auto-print on confirmation
- Live stats on landing page

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

pos/static/css/tokens.css

@@ -558,6 +558,69 @@
 }
 
 
+/* ==========================================================================
+   GLASSMORPHISM TOKENS
+   ========================================================================== */
+
+[data-theme="industrial"] {
+  --glass-bg:            rgba(26, 26, 26, 0.70);
+  --glass-bg-strong:     rgba(26, 26, 26, 0.85);
+  --glass-border:        rgba(255, 255, 255, 0.08);
+  --glass-blur:          16px;
+  --glass-highlight:     rgba(245, 166, 35, 0.06);
+
+  --glow-color:          rgba(245, 166, 35, 0.40);
+  --glow-color-soft:     rgba(245, 166, 35, 0.15);
+  --glow-color-strong:   rgba(245, 166, 35, 0.60);
+
+  --gradient-accent:     linear-gradient(135deg, #F5A623 0%, #e8951a 50%, #d4850f 100%);
+  --gradient-text:       linear-gradient(135deg, #F5A623 0%, #FFD080 50%, #F5A623 100%);
+
+  --canvas-grid-color:   rgba(255, 255, 255, 0.06);
+  --canvas-star-color:   rgba(245, 166, 35, 0.30);
+  --canvas-glow-color:   rgba(245, 166, 35, 0.08);
+}
+
+[data-theme="modern"] {
+  --glass-bg:            rgba(248, 249, 255, 0.70);
+  --glass-bg-strong:     rgba(248, 249, 255, 0.85);
+  --glass-border:        rgba(26, 26, 46, 0.08);
+  --glass-blur:          16px;
+  --glass-highlight:     rgba(255, 107, 53, 0.04);
+
+  --glow-color:          rgba(255, 107, 53, 0.35);
+  --glow-color-soft:     rgba(255, 107, 53, 0.12);
+  --glow-color-strong:   rgba(255, 107, 53, 0.55);
+
+  --gradient-accent:     linear-gradient(135deg, #FF6B35 0%, #FF8F65 50%, #FF6B35 100%);
+  --gradient-text:       linear-gradient(135deg, #FF6B35 0%, #FF8F65 50%, #e85520 100%);
+
+  --canvas-grid-color:   rgba(26, 26, 46, 0.05);
+  --canvas-star-color:   rgba(255, 107, 53, 0.20);
+  --canvas-glow-color:   rgba(255, 107, 53, 0.06);
+}
+
+
+/* ==========================================================================
+   ANIMATION KEYFRAMES
+   ========================================================================== */
+
+@keyframes nx-fade-up {
+  from { opacity: 0; transform: translateY(24px); }
+  to   { opacity: 1; transform: translateY(0); }
+}
+
+@keyframes nx-glow-pulse {
+  0%, 100% { box-shadow: 0 0 20px var(--glow-color-soft); }
+  50%      { box-shadow: 0 0 40px var(--glow-color); }
+}
+
+@keyframes nx-shimmer {
+  0%   { background-position: -200% 0; }
+  100% { background-position: 200% 0; }
+}
+
+
 /* ==========================================================================
    END OF TOKENS FILE
    nexus-autoparts-design/tokens/tokens.css