Umbau auf 7 reihen

static/css/style.css

@@ -105,6 +105,38 @@ h1 {
     color: var(--habit-color, #4CAF50);
 }
 
+/* Weekly Grid Layout */
+.weekly-grid {
+    display: flex;
+    flex-direction: column;
+    gap: 3px;
+    padding: 10px 0;
+}
+
+.weekday-row {
+    display: flex;
+    align-items: center;
+    gap: 3px;
+}
+
+.weekday-label {
+    width: 30px;
+    font-size: 0.8em;
+    font-weight: bold;
+    color: #b0b0b0;
+    text-align: center;
+    flex-shrink: 0;
+}
+
+.weekday-row .date-square {
+    flex: 1;
+    min-width: 0;
+    aspect-ratio: 1;
+    max-width: 25px;
+    height: auto;
+}
+
+/* Legacy date-grid for backward compatibility */
 .date-grid {
     display: grid;
     grid-template-columns: repeat(30, 1fr);
@@ -133,6 +165,11 @@ h1 {
     cursor: pointer;
 }
 
+.date-square-readonly {
+    cursor: default;
+    opacity: 0.9;
+}
+
 .date-square.completed {
     background-color: var(--habit-color, #4CAF50);
 }