Prototype implementation

static/src/main.css

@@ -0,0 +1,43 @@
+@import "tailwindcss";
+
+@theme {
+  --color-brand-50: #f0f4ff;
+  --color-brand-100: #dce7ff;
+  --color-brand-500: #3b5bdb;
+  --color-brand-600: #2f4ac7;
+  --color-brand-700: #2541b2;
+  --color-brand-900: #152d99;
+}
+
+@layer base {
+  /* German-app base resets */
+  html {
+    font-family: ui-sans-serif, system-ui, sans-serif;
+  }
+}
+
+@layer components {
+  .card { @apply bg-white rounded-xl border border-slate-200 shadow-sm p-6; }
+  .btn-primary { @apply bg-brand-500 text-white px-4 py-2 rounded-lg hover:bg-brand-600 transition-colors; }
+  .btn-secondary { @apply bg-white text-slate-700 border border-slate-300 px-4 py-2 rounded-lg hover:bg-slate-50; }
+  .btn-danger { @apply bg-red-600 text-white px-4 py-2 rounded-lg hover:bg-red-700; }
+  .btn-ghost { @apply text-slate-600 px-3 py-2 rounded-lg hover:bg-slate-100; }
+  .field-row { @apply grid grid-cols-3 gap-4 py-3 border-b border-slate-100 last:border-0; }
+  .field-label { @apply text-sm font-medium text-slate-500 col-span-1; }
+  .field-value { @apply text-sm text-slate-900 col-span-2; }
+  .phase-badge { @apply inline-flex items-center justify-center w-7 h-7 rounded-full text-sm font-bold; }
+  .phase-todo { @apply inline-flex items-center justify-center w-7 h-7 rounded-full text-sm font-bold bg-slate-200 text-slate-500; }
+  .phase-active { @apply inline-flex items-center justify-center w-7 h-7 rounded-full text-sm font-bold bg-brand-500 text-white; }
+  .phase-done { @apply inline-flex items-center justify-center w-7 h-7 rounded-full text-sm font-bold bg-green-500 text-white; }
+  .phase-warn { @apply inline-flex items-center justify-center w-7 h-7 rounded-full text-sm font-bold bg-amber-400 text-amber-900; }
+  .section-title { @apply text-base font-semibold text-slate-900 mb-4; }
+  .page-title { @apply text-2xl font-bold text-slate-900; }
+  .form-input { @apply w-full rounded-lg border border-slate-300 px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-brand-500 focus:border-transparent; }
+  .form-label { @apply block text-sm font-medium text-slate-700 mb-1; }
+  .table-base { @apply w-full text-sm text-left; }
+  .table-header { @apply bg-slate-50 text-slate-500 font-medium text-xs uppercase tracking-wide; }
+  .table-row { @apply border-t border-slate-100 hover:bg-slate-50 transition-colors; }
+  .sidebar-link { @apply flex items-center px-3 py-2 rounded-lg text-sm text-slate-700 hover:bg-slate-100 transition-colors; }
+  .sidebar-link-active { @apply bg-brand-50 text-brand-700 font-medium; }
+  .sidebar-section-btn { @apply w-full flex items-center justify-between px-3 py-2 text-xs font-semibold text-slate-500 uppercase tracking-wide hover:text-slate-700; }
+}