Start on dynamic square layout

css/theme/latex.css

@@ -1,4 +1,67 @@
+/* basic layout */
 @import url("https://free.bboxtype.com/embedfonts/?family=FiraSans:300,600");
+body {
+  background: red;
+  font-size: 1vw;
+  /* transition: background 1s ease; */ }
+  body .layout-content-and-preview {
+    display: grid;
+    grid-template-rows: 100vw auto;
+    grid-template-columns: auto;
+    grid-template-areas: "content" "preview";
+    min-height: 100vh;
+    max-height: 100vh;
+    min-width: 100vw;
+    max-width: 100vw;
+    overflow: auto; }
+    body .layout-content-and-preview .layout-content {
+      background: white;
+      grid-area: content; }
+    body .layout-content-and-preview .layout-preview {
+      grid-area: preview;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      /* padding: 4vw; */ }
+      body .layout-content-and-preview .layout-preview img {
+        opacity: .5;
+        width: auto;
+        height: auto;
+        max-width: 100%;
+        max-height: 100%;
+        box-shadow: 0.2em 0.2em 0.5em 0 rgba(0, 0, 0, 0.3); }
+
+/*
+@media screen and (min-aspect-ratio: 1/2)  {
+  $base-unit: 0.5vh;
+  body {
+    background: orange;
+    .layout-content-and-preview {
+      grid-template-rows: 50vh auto;
+      grid-template-columns: auto 50vh auto;
+      grid-template-areas:
+        "    .   content    .   "
+        "preview preview preview";
+    }
+  }
+}
+*/
+@media screen and (min-aspect-ratio: 1 / 1) {
+  body {
+    background: yellow; }
+    body .layout-content-and-preview {
+      grid-template-rows: auto 50vw auto;
+      grid-template-columns: 50vw auto;
+      grid-template-areas: "   .    preview" "content preview" "   .    preview"; } }
+
+@media screen and (min-aspect-ratio: 2 / 1) {
+  body {
+    background: lime; }
+    body .layout-content-and-preview {
+      grid-template-rows: 100vh;
+      grid-template-columns: 100vh auto;
+      grid-template-areas: "content preview"; } }
+
 @font-face {
   font-family: 'Fira Code';
   src: url("../../lib/font/fira-code/FiraCode-Regular.otf");
@@ -12,12 +75,7 @@
 body {
   font-family: 'Fira Sans';
   margin: 0;
-  line-height: 1.2em;
+  line-height: 1.2em; }
-  font-size: 1.7vw; }
-
-@media screen and (screen-orientation: landscape) {
-  body {
-    font-size: 3.5vh; } }
 
 section {
   min-height: 100vh;

css/theme/source/latex.scss

@@ -1,7 +1,89 @@
-// @import "../template/mixins";
+/* basic layout */
-// @import "../template/settings";
+
-// $heading2Size: 101px;
+$base-unit: 1vw;
-// @import "../template/theme";
+body {
+  background: red;
+  font-size: $base-unit;
+
+
+  /* transition: background 1s ease; */
+  .layout-content-and-preview {
+    display: grid;
+    grid-template-rows: 100vw auto;
+    grid-template-columns: auto;
+    grid-template-areas:
+      "content"
+      "preview";
+    min-height: 100vh;
+    max-height: 100vh;
+    min-width: 100vw;
+    max-width: 100vw;
+    overflow: auto;
+    .layout-content {
+      background: white;
+      grid-area: content;
+    }
+    .layout-preview {
+      grid-area: preview;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      /* padding: 4vw; */
+      img {
+        opacity: .5;
+        width: auto;
+        height: auto;
+        max-width: 100%;
+        max-height: 100%;
+        box-shadow: .2em .2em .5em 0 rgba(0, 0, 0, .3);
+      }
+    }
+  }
+}
+/*
+@media screen and (min-aspect-ratio: 1/2)  {
+  $base-unit: 0.5vh;
+  body {
+    background: orange;
+    .layout-content-and-preview {
+      grid-template-rows: 50vh auto;
+      grid-template-columns: auto 50vh auto;
+      grid-template-areas:
+        "    .   content    .   "
+        "preview preview preview";
+    }
+  }
+}
+*/
+@media screen and (min-aspect-ratio: 1/1) {
+  $base-unit: 0.5vw;
+  body {
+    background: yellow;
+    .layout-content-and-preview {
+      grid-template-rows: auto 50vw auto;
+      grid-template-columns: 50vw auto;
+      grid-template-areas:
+        "   .    preview"
+        "content preview"
+        "   .    preview";
+    }
+  }
+}
+@media screen and (min-aspect-ratio: 2/1) {
+  $base-unit: 1vh;
+  body {
+    background: lime;
+    .layout-content-and-preview {
+      grid-template-rows: 100vh;
+      grid-template-columns: 100vh auto;
+      grid-template-areas:
+        "content preview";
+    }
+  }
+}
+
+
+
 
 @import url('https://free.bboxtype.com/embedfonts/?family=FiraSans:300,600');
 @font-face {
@@ -20,12 +102,12 @@ body {
 	font-family: 'Fira Sans';
 	margin: 0;
 	line-height: 1.2em;
-	font-size: 1.7vw;
+	// font-size: 1.7vw;
 }
 
 @media screen and (screen-orientation: landscape) {
 	body {
-		font-size: 3.5vh;
+		// font-size: 3.5vh;
 	}
 }
 

sections/german/04/04.md

@@ -12,12 +12,11 @@ Ein größeres LaTeX-Projekt anlegen und dabei ...
 
 ---
 
-<div class="layout layout-side-by-side">
+<div class="layout layout-content-and-preview">
+
+<div class="layout-content">
 
 <h2 class="layout-title">Hauptdatei 👑</h2>
-
-<div class="layout-content-left">
-
 <ul>
     <li>enthält Grundgerüst, Titelei, etc. </li>
     <li>bindet einzelne Kapitel ein mit
@@ -42,7 +41,7 @@ Ein größeres LaTeX-Projekt anlegen und dabei ...
 
 </div>
 
-<div class="layout-content-right">
+<div class="layout-preview">
 ![](sections/german/04/projekt_dokument.png)
 </div>