add pdf download links to index page

scripts/generate-index.sh

@@ -22,19 +22,36 @@ cat > "$BUILD_DIR/index.html" << 'HEADER'
     }
     h1 { color: #fff; margin-bottom: 0.5rem; }
     .subtitle { color: #888; margin-bottom: 2rem; }
+    .termin-row {
+      display: flex;
+      align-items: center;
+      gap: 1rem;
+      margin-bottom: 1rem;
+    }
     .termin {
       background: #16213e;
       border-radius: 8px;
       padding: 1.5rem;
-      margin-bottom: 1rem;
       text-decoration: none;
       display: block;
+      flex: 1;
       transition: transform 0.2s, background 0.2s;
     }
     .termin:hover { background: #1f4068; transform: translateX(5px); }
     .termin h2 { color: #fff; margin: 0 0 0.5rem 0; font-size: 1.2rem; }
     .termin .date { color: #4ecca3; font-size: 0.9rem; }
     .termin .topic { color: #aaa; font-size: 0.95rem; margin-left: 1rem; }
+    .pdf {
+      background: #e94560;
+      color: #fff;
+      padding: 0.5rem 1rem;
+      border-radius: 4px;
+      text-decoration: none;
+      font-size: 0.85rem;
+      font-weight: 500;
+      transition: background 0.2s;
+    }
+    .pdf:hover { background: #ff6b6b; }
     footer { margin-top: 2rem; color: #666; font-size: 0.85rem; text-align: center; }
     footer a { color: #4ecca3; }
   </style>
@@ -66,13 +83,23 @@ for html in $(ls "$BUILD_DIR"/2*.html 2>/dev/null | sort); do
   fi
 
   termin_label="Termin $termin_num"
+  pdf_filename="${filename%.html}.pdf"
+
+  # Check if PDF exists
+  pdf_link=""
+  if [[ -f "$BUILD_DIR/$pdf_filename" ]]; then
+    pdf_link="<a href=\"$pdf_filename\" class=\"pdf\">PDF</a>"
+  fi
 
   cat >> "$BUILD_DIR/index.html" << LINK
-  <a href="$filename" class="termin">
-    <h2>$termin_label</h2>
-    <span class="date">$formatted_date</span>
-    <span class="topic">$topic</span>
-  </a>
+  <div class="termin-row">
+    <a href="$filename" class="termin">
+      <h2>$termin_label</h2>
+      <span class="date">$formatted_date</span>
+      <span class="topic">$topic</span>
+    </a>
+    $pdf_link
+  </div>
 LINK
 done