fix

frontend/src/components/Solver.jsx

@@ -1736,7 +1736,7 @@ export default function Solver() {
               <div className="absolute inset-0 rounded-full border-4 border-slate-800" />
               <div className="absolute inset-0 animate-spin rounded-full border-4 border-purple-500 border-t-transparent" />
               {/* BRANDED LOGO */}
-              <img src={lLogo} alt="Solving" className="relative w-12 h-12 object-contain animate-pulse drop-shadow-[0_0_15px_rgba(168,85,247,0.6)]" />
+              <img src="l-logo.png" alt="Solving" className="relative w-12 h-12 object-contain animate-pulse drop-shadow-[0_0_15px_rgba(168,85,247,0.6)]" />
             </div>
             <div className="text-center">
               <p className="mb-2 text-lg font-black uppercase tracking-[0.2em] text-purple-400">Chip Solving</p>
@@ -1756,7 +1756,7 @@ export default function Solver() {
               <div className="absolute inset-0 rounded-full border-4 border-slate-800" />
               <div className="absolute inset-0 animate-spin rounded-full border-4 border-cyan-500 border-t-transparent" />
               {/* BRANDED LOGO */}
-              <img src={lLogo} alt="Solving" className="relative w-12 h-12 object-contain animate-pulse drop-shadow-[0_0_15px_rgba(6,182,212,0.6)]" />
+              <img src="l-logo.png" alt="Solving" className="relative w-12 h-12 object-contain animate-pulse drop-shadow-[0_0_15px_rgba(6,182,212,0.6)]" />
             </div>
             <div className="text-center">
               <p className="mb-2 text-lg font-black uppercase tracking-[0.2em] text-cyan-400">Sensitivity Analysis</p>