port to egui (WIP)

www/style.css

@@ -1,55 +1,81 @@
-html, body, main {
-    width: 100%;
-    margin: 0;
-    padding: 0;
+html {
+    /* Remove touch delay: */
+    touch-action: manipulation;
 }
 
 body {
-    margin: auto;
-    max-width: 800px;
-    display: flex;
-    flex-direction: column;
+    /* Light mode background color for what is not covered by the egui canvas,
+    or where the egui canvas is translucent. */
+    background: #909090;
 }
 
-@media (max-width: 800px) {
+@media (prefers-color-scheme: dark) {
     body {
-        padding: 10px;
-        box-sizing: border-box;
+        /* Dark mode background color for what is not covered by the egui canvas,
+        or where the egui canvas is translucent. */
+        background: #404040;
     }
 }
 
-main {
-    display: flex;
-    flex-direction: column;
-    align-items: center;
+/* Allow canvas to fill entire web page: */
+html,
+body {
+    overflow: hidden;
+    margin: 0 !important;
+    padding: 0 !important;
 }
 
-#coord, #status {
-    color: grey;
-    font-size: 10px;
-    height: 15px
+/* Position canvas in center-top: */
+canvas {
+    margin-right: auto;
+    margin-left: auto;
+    display: block;
+    position: absolute;
+    top: 0%;
+    left: 50%;
+    transform: translate(-50%, 0%);
 }
 
-#control {
-    margin-top: 1em;
-}
-
-#control label {
-    font-weight: bold;
-    margin-right: 1em;
-}
-
-#control select {
-    padding: 0.25em 0.5em;
-}
-
-footer {
-    margin-top: 2em;
-    font-size: 12px;
+.centered {
+    margin-right: auto;
+    margin-left: auto;
+    display: block;
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    color: #f0f0f0;
+    font-size: 24px;
+    font-family: Ubuntu-Light, Helvetica, sans-serif;
     text-align: center;
 }
 
-.hide {
-	visibility: hidden;
-	height: 0px;
+/* ---------------------------------------------- */
+/* Loading animation from https://loading.io/css/ */
+.lds-dual-ring {
+    display: inline-block;
+    width: 24px;
+    height: 24px;
+}
+
+.lds-dual-ring:after {
+    content: " ";
+    display: block;
+    width: 24px;
+    height: 24px;
+    margin: 0px;
+    border-radius: 50%;
+    border: 3px solid #fff;
+    border-color: #fff transparent #fff transparent;
+    animation: lds-dual-ring 1.2s linear infinite;
+}
+
+@keyframes lds-dual-ring {
+    0% {
+        transform: rotate(0deg);
+    }
+
+    100% {
+        transform: rotate(360deg);
+    }
 }