style(icons): apply reviewed icon set

assets/icons/layers/laylck.svg

@@ -35,7 +35,7 @@
   <path
      d="M 6.7497827,9.853717 V 6.5015177 a 5.3635196,5.3635196 0 0 1 10.7270383,0 V 9.853717"
      fill="none"
-     stroke="#e0e0e0"
+     stroke="#B4B6B9"
      stroke-width="2.2795"
      stroke-linecap="round"
      stroke-linejoin="round"

assets/icons/layers/laymatch.svg

@@ -37,7 +37,7 @@
      y1="4.6006422"
      x2="22.828165"
      y2="4.6006422"
-     stroke="#888888"
+     stroke="#B4B6B9"
      stroke-width="1.52727"
      stroke-linecap="round"
      stroke-dasharray="3, 2"
@@ -60,7 +60,7 @@
      y1="8.4000006"
      x2="12"
      y2="14.400001"
-     stroke="#e0e0e0"
+     stroke="#B4B6B9"
      stroke-width="2.04"
      stroke-linecap="round"
      id="line3"
@@ -68,7 +68,7 @@
   <polyline
      points="9.5,13 12,15.5 14.5,13"
      fill="none"
-     stroke="#e0e0e0"
+     stroke="#B4B6B9"
      stroke-width="1.7"
      stroke-linecap="round"
      stroke-linejoin="round"
@@ -80,7 +80,7 @@
      cx="5.902493"
      cy="4.6579514"
      r="2.1599998"
-     fill="#888888"
+     fill="#B4B6B9"
      id="circle3"
      style="stroke-width:1.5;stroke-dasharray:none" />
   <!-- Small object dot on target (matched) -->

assets/icons/layers/laymcur.svg

@@ -37,7 +37,7 @@
      y1="18.026363"
      x2="22.799999"
      y2="18.026363"
-     stroke="#888888"
+     stroke="#B4B6B9"
      stroke-width="1.52727"
      stroke-linecap="round"
      id="line1"
@@ -47,7 +47,7 @@
      y1="21.626364"
      x2="22.799999"
      y2="21.626364"
-     stroke="#888888"
+     stroke="#B4B6B9"
      stroke-width="1.52727"
      stroke-linecap="round"
      id="line2"

assets/icons/layers/layoff.svg

@@ -40,7 +40,7 @@
      stroke-width="1.85829"
      stroke-linejoin="round"
      id="path1-3"
-     style="stroke-width:2.25;stroke-dasharray:none;stroke:#888888;stroke-opacity:1;fill:#888888;fill-opacity:0.34999999" />
+     style="stroke-width:2.25;stroke-dasharray:none;stroke:#B4B6B9;stroke-opacity:1;fill:#B4B6B9;fill-opacity:0.34999999" />
   <line
      x1="10.158565"
      y1="13.421756"
@@ -50,7 +50,7 @@
      stroke-width="1.23886"
      stroke-linecap="round"
      id="line1-5"
-     style="stroke-width:1.5;stroke-dasharray:none;stroke:#888888;stroke-opacity:1" />
+     style="stroke-width:1.5;stroke-dasharray:none;stroke:#B4B6B9;stroke-opacity:1" />
   <line
      x1="10.158565"
      y1="15.280031"
@@ -60,7 +60,7 @@
      stroke-width="1.23886"
      stroke-linecap="round"
      id="line2-6"
-     style="stroke-width:1.5;stroke-dasharray:none;stroke:#888888;stroke-opacity:1" />
+     style="stroke-width:1.5;stroke-dasharray:none;stroke:#B4B6B9;stroke-opacity:1" />
   <line
      x1="9.5391397"
      y1="18.377151"
@@ -70,7 +70,7 @@
      stroke-width="1.73439"
      stroke-linecap="round"
      id="line3-2"
-     style="stroke-width:2.25;stroke-dasharray:none;stroke:#888888;stroke-opacity:1" />
+     style="stroke-width:2.25;stroke-dasharray:none;stroke:#B4B6B9;stroke-opacity:1" />
   <line
      x1="10.158565"
      y1="20.854855"
@@ -80,7 +80,7 @@
      stroke-width="1.73439"
      stroke-linecap="round"
      id="line4"
-     style="stroke-width:2.25;stroke-dasharray:none;stroke:#888888;stroke-opacity:1" />
+     style="stroke-width:2.25;stroke-dasharray:none;stroke:#B4B6B9;stroke-opacity:1" />
   <!-- Base lines -->
   <!-- Off slash (red diagonal) -->
   <line

assets/icons/layers/layulk.svg

@@ -35,7 +35,7 @@
   <path
      d="M 6.8200511,10.702101 V 5.6227363 c 0,-5.92592391 10.6566279,-5.92592391 10.6566279,0"
      fill="none"
-     stroke="#e0e0e0"
+     stroke="#B4B6B9"
      stroke-width="2.15873"
      stroke-linecap="round"
      stroke-linejoin="round"

assets/icons/layers/panel.svg

@@ -1,22 +1,5 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="64" height="64">
-  <!-- Table border -->
-  <rect x="2" y="3" width="20" height="18" rx="1.5"
-        fill="none" stroke="#e0e0e0" stroke-width="1.5"/>
-  <!-- Header row separator -->
-  <line x1="2" y1="7.5" x2="22" y2="7.5" stroke="#e0e0e0" stroke-width="1.4"/>
-  <!-- Column separator (status | name) -->
-  <line x1="7" y1="3" x2="7" y2="21" stroke="#888" stroke-width="1"/>
-  <!-- Data rows -->
-  <line x1="7" y1="11.5" x2="22" y2="11.5" stroke="#888" stroke-width="1"/>
-  <line x1="7" y1="15.5" x2="22" y2="15.5" stroke="#888" stroke-width="1"/>
-  <!-- Layer color swatches (column 1, rows 1-3) -->
-  <rect x="3" y="8.8"  width="2.5" height="1.5" rx="0.4" fill="#4cc9f0"/>
-  <rect x="3" y="12.8" width="2.5" height="1.5" rx="0.4" fill="#f0c040"/>
-  <rect x="3" y="16.8" width="2.5" height="1.5" rx="0.4" fill="#e05050"/>
-  <!-- Name text lines (placeholder) -->
-  <line x1="8.5" y1="9.5"  x2="18" y2="9.5"  stroke="#e0e0e0" stroke-width="1.3" stroke-linecap="round"/>
-  <line x1="8.5" y1="13.5" x2="16" y2="13.5" stroke="#888"    stroke-width="1.3" stroke-linecap="round"/>
-  <line x1="8.5" y1="17.5" x2="17" y2="17.5" stroke="#888"    stroke-width="1.3" stroke-linecap="round"/>
-  <!-- Header text line -->
-  <line x1="8.5" y1="5.5" x2="19" y2="5.5" stroke="#e0e0e0" stroke-width="1.3" stroke-linecap="round"/>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" role="img" aria-label="Panel">
+  <polygon points="4,7 12,3.5 20,7 12,10.5" stroke="#B4B6B9" stroke-width="1.625" stroke-linecap="round" stroke-linejoin="round" fill="none"/>
+  <polyline points="4,11 12,14.5 20,11" stroke="#B4B6B9" stroke-width="1.625" stroke-linecap="round" stroke-linejoin="round" fill="none"/>
+  <polyline points="4,15 12,18.5 20,15" stroke="#B4B6B9" stroke-width="1.625" stroke-linecap="round" stroke-linejoin="round" fill="none"/>
 </svg>