style(fusion_plating_shopfloor): polish the scan button pair

Matched, intentional look for the two scan controls:
- Scan QR (camera, primary sticker-scan) — accent-filled blue, fa-qrcode.
- Enter Code (manual / scanner-gun) — accent-tinted secondary, fa-keyboard-o.
Both now use Font Awesome icons (no emoji), inline-flex aligned icon+label.
Enter Code's class restructured so scan-alt persists alongside the active
state when the drawer is open.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

fusion_plating/fusion_plating_shopfloor/static/src/scss/plant_kanban.scss

@@ -72,6 +72,8 @@
         }
     }
     .toolbar-btn {
+        display: inline-flex;
+        align-items: center;
         padding: 8px 14px;
         font-size: 14px;
         font-weight: 500;
@@ -81,8 +83,10 @@
         cursor: pointer;
         color: $plant-text;
         font-family: inherit;
+        white-space: nowrap;
         box-shadow: 0 1px 2px rgba(0,0,0,0.05);
         transition: transform 0.1s ease, box-shadow 0.1s ease;
+        i { font-size: 15px; line-height: 1; }
         &:hover {
             transform: translateY(-1px);
             box-shadow: 0 2px 4px rgba(0,0,0,0.08);
@@ -93,6 +97,24 @@
             color: #5e4400;
             font-weight: 700;
         }
+        // Scan pair — matched look. "Scan QR" (camera, the primary way to
+        // scan a printed job sticker) is accent-filled so it stands out;
+        // "Enter Code" (manual / hardware scanner-gun) is the accent-tinted
+        // secondary. Matched FA icons (fa-qrcode / fa-keyboard-o), no emoji.
+        &.o_fp_qr_btn {
+            background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
+            border-color: #1d4ed8;
+            color: #fff;
+            font-weight: 600;
+            i { color: #fff; }
+            &:hover { box-shadow: 0 3px 8px rgba(29, 78, 216, 0.32); }
+        }
+        &.scan-alt {
+            background: linear-gradient(135deg, $plant-mine-bg 0%, $plant-card-bg 100%);
+            border-color: $plant-mine-border;
+            font-weight: 600;
+            i { color: #1d4ed8; }
+        }
     }
 
     // 8 tiles — Work Orders, At My Station, Bakes Due, On Hold,

fusion_plating/fusion_plating_shopfloor/static/src/xml/plant_kanban.xml

@@ -32,9 +32,9 @@
                                      gun text drawer (a wedge gun types the code;
                                      no camera). -->
                                 <QrScanner cssClass="'toolbar-btn'" label="'Scan QR'"/>
-                                <button class="toolbar-btn"
-                                        t-att-class="state.showScan ? 'toolbar-btn active' : 'toolbar-btn'"
-                                        t-on-click="toggleScan">⌨️ Enter Code</button>
+                                <button class="toolbar-btn scan-alt"
+                                        t-att-class="state.showScan ? 'active' : ''"
+                                        t-on-click="toggleScan"><i class="fa fa-keyboard-o me-1"/>Enter Code</button>
                                 <button class="toolbar-btn handoff" t-on-click="onHandOff">🔓 Hand Off</button>
                             </div>
                         </div>