feat: refactor the entire learnhouse project

apps/web/styles/globals.css

@@ -0,0 +1,69 @@
+
+@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,400;0,500;0,700;1,400;1,500&display=swap');
+
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+html,
+body {
+  padding: 0;
+  margin: 0;
+  transition: all 0.2s ease;
+  font-family: 'DM Sans' , -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
+}
+
+a {
+  color: inherit;
+  text-decoration: none;
+}
+
+* {
+  box-sizing: border-box;
+}
+
+@media (prefers-color-scheme: dark) {
+  
+  body {
+    color: black;
+    background: #FBFBFB;
+  }
+}
+
+/* Basic editor styles */
+.ProseMirror > * + * {
+  margin-top: 0.75em;
+}
+/* Placeholder (at the top) */
+.ProseMirror p.is-editor-empty:first-child::before {
+  color: #adb5bd;
+  content: attr(data-placeholder);
+  float: left;
+  height: 0;
+  pointer-events: none;
+}
+/* Give a remote user a caret */
+.collaboration-cursor__caret {
+  border-left: 1px solid #0d0d0d;
+  border-right: 1px solid #0d0d0d;
+  margin-left: -1px;
+  margin-right: -1px;
+  pointer-events: none;
+  position: relative;
+  word-break: normal;
+}
+/* Render the username above the caret */
+.collaboration-cursor__label {
+  border-radius: 3px 3px 3px 0;
+  color: #0d0d0d;
+  font-size: 12px;
+  font-style: normal;
+  font-weight: 600;
+  left: -1px;
+  line-height: normal;
+  padding: 0.1rem 0.3rem;
+  position: absolute;
+  top: -1.4em;
+  user-select: none;
+  white-space: nowrap;
+}