a whole load of work in progress

static/index.css

@@ -0,0 +1,232 @@
+/* Variables */
+
+:root {
+    --color-text: #111;
+    --color-error: #db344b;
+    
+    --color-panel-border: rgba(0, 0, 0, 20%);
+    --color-panel-background: #fff;
+
+    --panel-border-radius: 16px;
+    --panel-box-shadow: 0 0 0 1px var(--color-panel-border);
+    --panel-padding: 12px;
+    --dialog-backdrop: rgba(255, 255, 255, 0.5);
+}
+
+/* Reset */ 
+
+body {
+    margin: 0;
+    width: 100vw;
+    height: 100vh;
+
+    color: var(--color-text);
+    line-height: 1.4;
+}
+
+/* Fonts */
+
+@font-face {
+    font-family: "Fira Sans";
+    src:
+        local("Fira Sans Regular"),
+        url("font/FiraSans-Regular.ttf");
+    font-weight: 400;
+}
+
+@font-face {
+    font-family: "Fira Sans";
+    src:
+        local("Fira Sans Bold"),
+        url("font/FiraSans-Bold.ttf");
+    font-weight: 700;
+}
+
+@font-face {
+    font-family: "Fira Code";
+    src:
+        local("Fira Code"),
+        url("font/FiraCode-VariableFont_wght.ttf");
+    font-weight: 400;
+}
+
+:root {
+    font-size: 87.5%;
+    font-family: "Fira Sans", sans-serif;
+}
+
+button, textarea, input {
+    font-size: inherit;
+    font-family: inherit;
+}
+
+/* Main container layout */
+
+main {
+    width: 100%;
+    height: 100%;
+    position: relative;
+
+    &>rkgk-canvas-renderer {
+        width: 100%;
+        height: 100%;
+        position: absolute;
+        left: 0;
+        top: 0;
+    }
+
+    &>rkgk-reticle-renderer {
+        width: 100%;
+        height: 100%;
+        position: absolute;
+        left: 0;
+        top: 0;
+        overflow: hidden;
+    }
+
+    &>rkgk-brush-editor {
+        width: 384px;
+        position: absolute;
+        right: 0;
+        top: 0;
+        margin: 16px;
+    }
+}
+
+/* Buttons */
+
+button {
+    border: 1px solid var(--color-panel-border);
+    border-radius: 9999px;
+    padding: 0.5rem 1.5rem;
+    background-color: var(--color-panel-background);
+}
+
+/* Text areas */ 
+
+input {
+    border: none;
+    border-bottom: 1px solid var(--color-panel-border);
+}
+
+*[contenteditable]:focus, input:focus {
+    border-radius: 2px;
+    outline: 1px solid #40b1f4;
+    outline-offset: 4px;
+}
+
+/* Modal dialogs */
+
+dialog:not([open]) {
+    /* Weird this doesn't seem to work by default. */
+    display: none;
+}
+
+dialog::backdrop {
+    background-color: var(--dialog-backdrop);
+    backdrop-filter: blur(8px);
+}
+
+/* Throbbers */
+
+rkgk-throbber {
+    display: inline;
+
+    &.loading {
+        &::before {
+            /* This could use an entertaining animation. */
+            content: "Please wait...";
+        }
+    }
+
+    &.error {
+        /* This could use an icon. */
+        color: var(--color-error);
+    }
+}
+
+/* Panels */
+
+.rkgk-panel {
+    display: block;
+    background: var(--color-panel-background);
+    padding: var(--panel-border-radius);
+    border: none;
+    border-radius: 16px;
+    box-shadow: var(--panel-box-shadow);
+}
+
+/* Canvas renderer */
+
+rkgk-canvas-renderer {
+    display: block;
+
+    &>canvas {
+        display: block;
+    }
+}
+
+/* Reticle renderer */
+
+rkgk-reticle-renderer {
+    display: block;
+
+    pointer-events: none;
+
+    &>.reticles {
+        position: relative;
+    }
+}
+
+rkgk-reticle {
+    --color: black;
+
+    position: absolute;
+    display: block;
+
+    &>.container {
+        &>.arrow {
+            width: 24px;
+            height: 24px;
+            background-color: var(--color);
+            clip-path: path("M 0,0 L 13,13 L 6,13 L 0,19 Z");
+        }
+
+        &>.nickname {
+            position: absolute;
+            top: 20px;
+            left: 8px;
+
+            color: white;
+            background-color: var(--color);
+            padding: 1px 6px;
+            border-radius: 9999px;
+            text-align: center;
+            font-weight: bold;
+        }
+    }
+}
+
+/* Brush editor */
+
+rkgk-brush-editor {
+    &>.text-area {
+        width: 100%;
+        height: 100%;
+        margin: 0;
+        resize: none;
+        font-family: "Fira Code", monospace;
+    }
+}
+
+/* Welcome screen */
+
+rkgk-welcome {
+    &>dialog {
+        h3 {
+            margin: 0.5rem 0;
+            font-size: 2rem;
+            font-weight: bold;
+        }
+    }
+}