Get rid of gradients

They were broke (

src/components/Connection.tsx

@@ -7,33 +7,18 @@ interface ConnectionProps {
   toColor?: string;
 }
 
-export const Connection: React.FC<ConnectionProps> = ({ from, to, fromColor = '#a855f7', toColor = '#a855f7' }) => {
-  // Create a safe gradient ID by removing special characters
-  const gradientId = `gradient-${fromColor.replace(/[^a-zA-Z0-9]/g, '')}-${toColor.replace(/[^a-zA-Z0-9]/g, '')}`;
-  
+export const Connection: React.FC<ConnectionProps> = ({ from, to, fromColor, toColor }) => {
   return (
     <g>
-      <defs>
-        <filter id="glow" x="-50%" y="-50%" width="200%" height="200%">
-          <feGaussianBlur stdDeviation="2" result="blur" />
-          <feComposite in="SourceGraphic" in2="blur" operator="over" />
-        </filter>
-        <linearGradient id={gradientId} x1="0%" y1="0%" x2="100%" y2="0%">
-          <stop offset="0%" stopColor={fromColor} stopOpacity="0.7" />
-          <stop offset="100%" stopColor={toColor} stopOpacity="0.7" />
-        </linearGradient>
-      </defs>
-      
       {/* Glow effect */}
       <line
         x1={from.x}
         y1={from.y}
         x2={to.x}
         y2={to.y}
-        stroke={`url(#${gradientId})`}
+        stroke={fromColor || "#a855f7"}
         strokeWidth="3"
         opacity="0.3"
-        filter="url(#glow)"
       />
       
       {/* Main line */}
@@ -42,7 +27,7 @@ export const Connection: React.FC<ConnectionProps> = ({ from, to, fromColor = '#
         y1={from.y}
         x2={to.x}
         y2={to.y}
-        stroke={`url(#${gradientId})`}
+        stroke="#a855f7"
         strokeWidth="1"
         opacity="0.7"
         className="transition-all duration-300"