Add sun constellation changes page

public/css/style.css

@@ -872,6 +872,55 @@ footer a:hover    { color: var(--gold); }
     font-style: italic;
 }
 
+/* --- Sonne in Sternbildern -------------------------------- */
+
+.sun-constellations-tool {
+    max-width: 1100px;
+    margin: 0 auto;
+}
+
+.sun-constellations-form {
+    display: flex;
+    align-items: end;
+    gap: 0.75rem;
+    margin-bottom: 1rem;
+}
+
+.sun-constellations-form label {
+    color: var(--text-dim);
+    font-size: 0.82rem;
+    letter-spacing: 0.08em;
+    text-transform: uppercase;
+}
+
+.sun-constellations-form input {
+    width: 7rem;
+}
+
+.sun-constellations-table-wrap {
+    overflow-x: auto;
+}
+
+.sun-constellations-table td:nth-child(2),
+.sun-constellations-table td:nth-child(3),
+.sun-constellations-table td:nth-child(4),
+.sun-constellations-table td:nth-child(5),
+.sun-constellations-table td:nth-child(6),
+.sun-constellations-table td:nth-child(7) {
+    white-space: nowrap;
+}
+
+@media (max-width: 560px) {
+    .sun-constellations-form {
+        align-items: stretch;
+        flex-wrap: wrap;
+    }
+
+    .sun-constellations-form label {
+        width: 100%;
+    }
+}
+
 .msg-error pre {
     margin-top: 0.75rem;
     white-space: pre-wrap;