UI-Anpassungen

frontend/css/board.css

@@ -156,36 +156,99 @@
   font-size: var(--text-sm);
 }
 
-/* View Tabs */
+/* View Tabs - Modern Design */
 .view-tabs {
   display: flex;
-  gap: 2px;
-  padding: 3px;
-  background: var(--bg-tertiary);
+  gap: var(--spacing-1);
+  padding: 8px 12px;
+  background: rgba(0, 0, 0, 0.03);
   border-radius: var(--radius-lg);
+  position: relative;
+  backdrop-filter: blur(10px);
+  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
 }
 
 .view-tab {
-  padding: 6px 12px;
+  position: relative;
+  display: flex;
+  align-items: center;
+  gap: var(--spacing-2);
+  padding: 12px 20px;
   font-size: var(--text-sm);
   font-weight: var(--font-medium);
   color: var(--text-tertiary);
   background: none;
   border: none;
-  border-radius: var(--radius-md);
+  border-radius: 0;
   cursor: pointer;
-  transition: all var(--transition-fast);
+  transition: all var(--transition-default);
   white-space: nowrap;
 }
 
-.view-tab:hover {
-  color: var(--text-secondary);
+/* Tab Icon */
+.view-tab svg {
+  width: 18px;
+  height: 18px;
+  flex-shrink: 0;
+  transition: all var(--transition-default);
 }
 
-.view-tab.active {
+/* Hover State */
+.view-tab:hover {
   color: var(--text-primary);
-  background: var(--bg-card);
-  box-shadow: var(--shadow-sm);
+  background: rgba(0, 0, 0, 0.05);
+  border-radius: var(--radius-md);
+}
+
+.view-tab:hover svg {
+  transform: translateY(-1px);
+}
+
+/* Active State with Underline */
+.view-tab.active {
+  color: var(--primary);
+  background: rgba(59, 130, 246, 0.1);
+  border-radius: var(--radius-md);
+}
+
+.view-tab.active::after {
+  content: '';
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  height: 3px;
+  background: var(--primary);
+  border-radius: 3px 3px 0 0;
+  animation: slideIn 0.3s ease-out;
+}
+
+/* Animation for active indicator */
+@keyframes slideIn {
+  from {
+    transform: scaleX(0);
+  }
+  to {
+    transform: scaleX(1);
+  }
+}
+
+/* Subtle border between tabs */
+.view-tab:not(:last-child)::before {
+  content: '';
+  position: absolute;
+  right: 0;
+  top: 25%;
+  bottom: 25%;
+  width: 1px;
+  background: var(--border-light);
+  opacity: 0.5;
+  transition: opacity var(--transition-fast);
+}
+
+.view-tab:hover::before,
+.view-tab:hover + .view-tab::before {
+  opacity: 0;
 }
 
 /* Search */