Add distinct theme presets and bundle the default Ferese wallpaper

assets/wallpapers/ferese.svg

@@ -0,0 +1,62 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="1920" height="1080" viewBox="0 0 1920 1080" xmlns:c2pa="http://c2pa.org/manifest"><metadata><c2pa:manifest>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 truncated
+  <defs>
+    <radialGradient id="bg" cx="50%" cy="42%" r="75%">
+      <stop offset="0%" stop-color="#12151c"/>
+      <stop offset="55%" stop-color="#0a0c11"/>
+      <stop offset="100%" stop-color="#050609"/>
+    </radialGradient>
+
+    <linearGradient id="glow" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#6ea3ff"/>
+      <stop offset="100%" stop-color="#3d7be6"/>
+    </linearGradient>
+
+    <linearGradient id="glass" x1="0%" y1="0%" x2="0%" y2="100%">
+      <stop offset="0%" stop-color="#ffffff" stop-opacity="0.06"/>
+      <stop offset="100%" stop-color="#ffffff" stop-opacity="0.015"/>
+    </linearGradient>
+
+    <filter id="soft" x="-50%" y="-50%" width="200%" height="200%">
+      <feGaussianBlur stdDeviation="18"/>
+    </filter>
+
+    <filter id="softer" x="-50%" y="-50%" width="200%" height="200%">
+      <feGaussianBlur stdDeviation="45"/>
+    </filter>
+
+    <filter id="markGlow" x="-100%" y="-100%" width="300%" height="300%">
+      <feGaussianBlur stdDeviation="14" result="blur"/>
+      <feMerge>
+        <feMergeNode in="blur"/>
+        <feMergeNode in="SourceGraphic"/>
+      </feMerge>
+    </filter>
+  </defs>
+
+  <!-- base -->
+  <rect width="1920" height="1080" fill="url(#bg)"/>
+
+  <!-- distant blurred glow behind mark -->
+  <circle cx="960" cy="540" r="420" fill="url(#glow)" opacity="0.10" filter="url(#softer)"/>
+
+  <!-- faint background tiling grid, evoking Ferese's window layout -->
+  <g opacity="0.35">
+    <rect x="90" y="90" width="430" height="300" rx="18" fill="url(#glass)" stroke="#ffffff" stroke-opacity="0.05" filter="url(#soft)"/>
+    <rect x="90" y="420" width="430" height="220" rx="18" fill="url(#glass)" stroke="#ffffff" stroke-opacity="0.05" filter="url(#soft)"/>
+    <rect x="1400" y="120" width="420" height="230" rx="18" fill="url(#glass)" stroke="#ffffff" stroke-opacity="0.05" filter="url(#soft)"/>
+    <rect x="1400" y="380" width="420" height="330" rx="18" fill="url(#glass)" stroke="#ffffff" stroke-opacity="0.05" filter="url(#soft)"/>
+    <rect x="120" y="760" width="360" height="220" rx="18" fill="url(#glass)" stroke="#ffffff" stroke-opacity="0.04" filter="url(#soft)"/>
+    <rect x="1440" y="800" width="360" height="180" rx="18" fill="url(#glass)" stroke="#ffffff" stroke-opacity="0.04" filter="url(#soft)"/>
+  </g>
+
+  <!-- centered Ferese mark, scaled from the 200x200 source -->
+  <g transform="translate(960,540) scale(1.9) translate(-100,-100)" filter="url(#markGlow)">
+    <rect x="20" y="20" width="50" height="160" rx="8" fill="#3d7be6"/>
+    <rect x="80" y="20" width="100" height="55" rx="8" fill="#3d7be6"/>
+    <rect x="80" y="95" width="70" height="45" rx="8" fill="#3d7be6"/>
+  </g>
+
+  <!-- subtle vignette -->
+  <rect width="1920" height="1080" fill="url(#bg)" opacity="0" />
+  <rect x="0" y="0" width="1920" height="1080" fill="black" opacity="0.12" style="mix-blend-mode:multiply"/>
+</svg>