add lightbox for post image previews

data/static/style.css

@@ -176,7 +176,7 @@ pre code {
   font-size: 1rem;
 }
 
-#delete-dialog {
+#delete-dialog, .lightbox-dialog {
   padding: 0;
   border-radius: 4px;
   border: 2px solid black;
@@ -190,6 +190,27 @@ pre code {
   padding: 20px;
 }
 
+.lightbox-inner {
+  display: flex;
+  flex-direction: column;
+  padding: 20px;
+  min-width: 400px;
+  background-color: #c1ceb1;
+  gap: 10px;
+}
+
+.lightbox-image {
+  max-width: 70vw;
+  max-height: 70vh;
+  object-fit: scale-down;
+}
+
+.lightbox-nav {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
 .copy-code-container {
   position: sticky;
   width: calc(100% - 4px);
@@ -442,7 +463,6 @@ input[type=text]:focus, input[type=password]:focus, textarea:focus, select:focus
   justify-content: center;
   flex-direction: column;
 }
-
 .contain-svg:not(.full) > svg {
   height: 50%;
   width: 50%;
@@ -710,7 +730,6 @@ ul, ol {
   padding: 5px 10px;
   min-width: 36px;
 }
-
 .babycode-button > * {
   font-size: 1rem;
 }