Revised light color scheme for a more professional look.

frontend/src/assets/style.css

@@ -2,27 +2,27 @@
 :root {
   --font-sans: "Inter", "Inter var", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
   --font-mono: "DM Mono", "JetBrains Mono", "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
-  --color-canvas: #f5f6f8;
-  --color-surface: #ffffff;
-  --color-surface-subtle: #f1f3f7;
-  --color-border: #d0d5dd;
-  --color-border-strong: #9aa2af;
-  --color-heading: #000;
-  --color-text: #1f2933;
-  --color-text-muted: #52616b;
-  --color-link: #2563eb;
-  --color-link-hover: #1d4ed8;
+  --color-canvas: #ffffff;
+  --color-surface: #eff6ff;
+  --color-surface-subtle: #dbeafe;
+  --color-border: #2563eb;
+  --color-border-strong: #1e40af;
+  --color-heading: #1e3a8a;
+  --color-text: #1e293b;
+  --color-text-muted: #475569;
+  --color-link: #1d4ed8;
+  --color-link-hover: #1e40af;
   --color-accent: #2563eb;
-  --color-accent-strong: #1e3faa;
+  --color-accent-strong: #1e40af;
   --color-accent-contrast: #ffffff;
-  --color-success-text: #0f5132;
-  --color-success-bg: #d1fadf;
-  --color-error-text: #b42318;
-  --color-error-bg: #ffe3e3;
-  --color-info-text: #0f609b;
-  --color-info-bg: #d6ecff;
+  --color-success-text: #166534;
+  --color-success-bg: #dcfce7;
+  --color-error-text: #b91c1c;
+  --color-error-bg: #fee2e2;
+  --color-info-text: #1e40af;
+  --color-info-bg: #dbeafe;
   --color-danger: #dc2626;
-  --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.08);
+  --shadow-soft: 0 10px 30px rgba(30, 64, 175, 0.15);
   --radius-none: 0;
   --radius-sm: 4px;
   --radius-md: 6px;