diff --git a/frontend/package.json b/frontend/package.json
index 77a86f4..f4aec90 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -27,6 +27,7 @@
     "@types/d3": "^5.7.2",
     "d3": "^6.2.0",
     "sigma": "1.2.1",
-    "sirv-cli": "^1.0.0"
+    "sirv-cli": "^1.0.0",
+    "svelte-simple-modal": "^0.6.1"
   }
 }
diff --git a/frontend/src/App.svelte b/frontend/src/App.svelte
index 3631f9a..4525175 100644
--- a/frontend/src/App.svelte
+++ b/frontend/src/App.svelte
@@ -5,19 +5,18 @@
   import TasksLoader from "./TasksLoader.svelte";
   import TaskPanel from "./TaskPanel.svelte";
   import Editor from "./Editor.svelte";
-import GraphEdge from "./GraphEdge.svelte";
-import type { detach } from "svelte/internal";
+  import Modal from "svelte-simple-modal";
 
   const tasksPromise: Promise<TasksFile> = loadTasks();
 
-  let taskPanel: TaskPanel
+  let taskPanel: TaskPanel;
 
   // react to hash changes
   let hash = window.location.hash.substr(1);
   window.onhashchange = () => {
     hash = window.location.hash.substr(1);
-  }
-  $: selectedTaskId = (/^task\/([^\/]*)/.exec(hash) || [null, null])[1]
+  };
+  $: selectedTaskId = (/^task\/([^\/]*)/.exec(hash) || [null, null])[1];
 </script>
 
 <style>
@@ -29,19 +28,22 @@ import type { detach } from "svelte/internal";
 </style>
 
 <main>
-  {#if hash == 'editor'}
-    <TasksLoader promise={tasksPromise} let:data={t}>
-      <Editor tasks={t} />
-    </TasksLoader>
-  {:else}
-    <TasksLoader promise={tasksPromise} let:data={t}>
-      <TaskPanel tasks={t} bind:this={taskPanel} {selectedTaskId} />
-      <div style="height: 100%">
-        <Graph tasks={t}
-               on:selectTask={e => location.hash=`#task/${e.detail.id}`}
-               on:preSelectTask={e => taskPanel.preSelect(e.detail)}
-               on:unPreSelectTask={e => taskPanel.unPreselect(e.detail)} />
-      </div>
-    </TasksLoader>
-  {/if}
+  <Modal>
+    {#if hash == 'editor'}
+      <TasksLoader promise={tasksPromise} let:data={t}>
+        <Editor tasks={t} />
+      </TasksLoader>
+    {:else}
+      <TasksLoader promise={tasksPromise} let:data={t}>
+        <TaskPanel tasks={t} bind:this={taskPanel} {selectedTaskId} />
+        <div style="height: 100%">
+          <Graph
+            tasks={t}
+            on:selectTask={(e) => (location.hash = `#task/${e.detail.id}`)}
+            on:preSelectTask={(e) => taskPanel.preSelect(e.detail)}
+            on:unPreSelectTask={(e) => taskPanel.unPreselect(e.detail)} />
+        </div>
+      </TasksLoader>
+    {/if}
+  </Modal>
 </main>
diff --git a/frontend/src/Editor.svelte b/frontend/src/Editor.svelte
index 790710e..6ef4d20 100644
--- a/frontend/src/Editor.svelte
+++ b/frontend/src/Editor.svelte
@@ -1,9 +1,12 @@
 <script type="ts">
+  import { getContext } from "svelte";
+
   import Graph from "./Graph.svelte";
   import { nonNull } from "./helpers";
   import type { TaskDescriptor, TasksFile } from "./task-loader";
   import { saveTasks, getCategories } from "./task-loader";
   import TaskDisplay from "./TaskDisplay.svelte";
+  import TaskDetailEditor from "./TaskDetailEditor.svelte";
 
   export let tasks: TasksFile;
 
@@ -12,6 +15,7 @@
   let graph: Graph;
   let currentTask: TaskDescriptor | null = null;
   let nodeDraggingEnabled: boolean = false;
+  const { open } = getContext("simple-modal");
 
   function clickTask(e: CustomEvent<TaskDescriptor>) {
     // ukladani seznamu poslednich kliknuti
@@ -48,6 +52,15 @@
   async function saveCurrentState() {
     await saveTasks(tasks);
   }
+
+  function openTaskDetailEditor(e: CustomEvent<TaskDescriptor>) {
+    open(
+      TaskDetailEditor,
+      { task: e.detail, tasks: tasks },
+      { closeButton: false },
+      { onClose: () => { console.log("callback invoked", tasks); tasks = tasks; }}
+    );
+  }
 </script>
 
 <style>
@@ -112,8 +125,9 @@
         {repulsionForce}
         on:selectTask={clickTask}
         on:preSelectTask={startHovering}
-        bind:this={graph} 
-        {nodeDraggingEnabled} />
+        bind:this={graph}
+        {nodeDraggingEnabled}
+        on:openTask={openTaskDetailEditor} />
     </div>
   </div>
   <div class="right">
diff --git a/frontend/src/Graph.svelte b/frontend/src/Graph.svelte
index 5f5924c..bbeffc1 100644
--- a/frontend/src/Graph.svelte
+++ b/frontend/src/Graph.svelte
@@ -8,7 +8,6 @@
   import { taskForce } from "./task-force";
   import { grabTaskStates, isLoggedIn } from "./ksp-task-grabber";
   import type { TaskStatus } from "./ksp-task-grabber"
-import { json } from "d3";
 
   export let tasks: TasksFile;
   export let repulsionForce: number = -1000;
@@ -41,6 +40,10 @@ import { json } from "d3";
     eventDispatcher("selectTask", task);
   };
 
+  const nodeDoubleClick = (task: TaskDescriptor) => (e: CustomEvent<MouseEvent>) => {
+    eventDispatcher("openTask", task);
+  };
+
   const nodeHover = (task: TaskDescriptor) => (
     hovering: CustomEvent<boolean>
   ) => {
@@ -153,7 +156,8 @@ import { json } from "d3";
             on:hoveringChange={nodeHover(task.task)}
             on:positionChange={() => { tasks = tasks; }}
             status={taskStatuses.get(task.id)}
-            draggingEnabled={nodeDraggingEnabled} />
+            draggingEnabled={nodeDraggingEnabled}
+            on:dblclick={nodeDoubleClick(task.task)} />
         {/each}
       </g>
     </g>
diff --git a/frontend/src/GraphNode.svelte b/frontend/src/GraphNode.svelte
index 074861f..02c9723 100644
--- a/frontend/src/GraphNode.svelte
+++ b/frontend/src/GraphNode.svelte
@@ -64,6 +64,12 @@
     e.preventDefault();
     e.stopPropagation();
   }
+
+  function dblclick(e: MouseEvent) {
+    eventDispatcher("dblclick", e);
+    e.stopPropagation()
+    e.preventDefault()
+  }
 </script>
 
 <style>
@@ -81,7 +87,7 @@
   }
 </style>
 
-<g on:mouseenter={enter} on:mouseleave={leave} on:click={click} on:mousedown={dragStart} on:mouseup={dragStop} on:mousemove={drag} class={status && status.submitted ? "submitted" : ""}>
+<g on:mouseenter={enter} on:mouseleave={leave} on:click={click} on:mousedown={dragStart} on:mouseup={dragStop} on:mousemove={drag} class={status && status.submitted ? "submitted" : ""} on:dblclick={dblclick}>
   <ellipse rx={ellipse_rx} ry={20} {cx} {cy} />
   <text
     bind:this={text_element}
@@ -89,6 +95,6 @@
     y={cy + 5}
     text-anchor="middle"
     alignment-baseline="middle">
-    {task.id}
+    {task.task.title == null ? task.id : task.task.title}
   </text>
 </g>
diff --git a/frontend/src/TaskDetailEditor.svelte b/frontend/src/TaskDetailEditor.svelte
new file mode 100644
index 0000000..dd306c7
--- /dev/null
+++ b/frontend/src/TaskDetailEditor.svelte
@@ -0,0 +1,103 @@
+<script lang="ts">
+    import { getCategories } from "./task-loader";
+    import type { TaskDescriptor, TasksFile } from "./task-loader";
+    import { getContext } from "svelte";
+    import { copyFieldsThatExist } from "./helpers";
+
+    const { close } = getContext("simple-modal");
+
+    export let task: TaskDescriptor;
+    export let tasks: TasksFile;
+
+    let newCategory: string;
+
+    // copy of task data which we can safely change
+    let editData = {
+        task: {
+            ...task,
+            title: task.title == null ? task.id : task.title,
+        },
+        categories: getCategories(tasks, task.id),
+    };
+
+    function removeCategory(catName: string) {
+        return function () {
+            editData.categories = editData.categories.filter((t) => t != catName);
+        };
+    }
+
+    function removeDependency(dep: string) {
+        return function () {
+            editData.task.requires = editData.task.requires.filter((t) => t != dep);
+        };
+    }
+
+    function saveAndExit() {
+        Object.assign(task, editData.task);
+        close();
+    }
+</script>
+
+<div>
+    <div><i>ID:</i> {editData.task.id}, TYPE: {editData.task.type}</div>
+    <h1>
+        <i>TITLE:</i>
+        <span contenteditable="true" bind:textContent={editData.task.title} />
+    </h1>
+    <div>
+        <i>COMMENT:</i>
+        <span contenteditable="true" bind:textContent={editData.task.comment} />
+    </div>
+    {#if editData.task.type == "text"}
+        <div><i>HTML obsah:</i></div>
+        <div contenteditable="true" bind:textContent={editData.task.htmlContent} />
+    {/if}
+    <hr />
+    <div>
+        <h3>Kategorie</h3>
+        <ul>
+            {#each editData.categories as cat}
+                <li>
+                    {cat}<button style="margin-left: 1em;" on:click={removeCategory(cat)}>x</button>
+                </li>
+            {/each}
+        </ul>
+        <div>
+            <input
+                type="text"
+                bind:value={newCategory}
+                placeholder="Nová kategorie" />
+            <button
+                on:click={() => {
+                    editData.categories = [...editData.categories, newCategory];
+                }}>Přidat</button>
+        </div>
+    </div>
+    <hr />
+    <div>
+        <h3>Závislosti</h3>
+        <ul>
+            {#each editData.task.requires as req}
+                <li>
+                    {req}<button style="margin-left: 1em;" on:click={removeDependency(req)}>x</button>
+                </li>
+            {/each}
+        </ul>
+        <span>
+            <i>Jestli chceš vyrobit novou závislost, vyrob novou hranu v grafu.
+                Tady to nejde.</i>
+        </span>
+    </div>
+    <hr />
+    <div>
+        <button on:click={saveAndExit}>Uložit a zavřít</button>
+        <button on:click={close}>Zrušit</button>
+    </div>
+    <hr />
+    <div>
+        <h3>Vysvětlivky</h3>
+        <i>Kurzívou je psaný text, který nesouvisí s daty. Některý text psaný
+            nekurzívou se dá editovat. Změna typu ale třeba není možná, na to je
+            potřeba upravit přímo soubor <code>tasks.json</code>.</i>
+    </div>
+</div>
diff --git a/frontend/src/helpers.ts b/frontend/src/helpers.ts
index da3b996..3918326 100644
--- a/frontend/src/helpers.ts
+++ b/frontend/src/helpers.ts
@@ -1 +1,7 @@
 export function nonNull<T>(a: T | null | undefined): T { return a! }
+
+export function copyFieldsThatExist(dest: any, source: any) {
+    for (const attr of Object.keys(dest)) {
+        if (attr in source) dest[attr] = source[attr]
+    }
+}
diff --git a/frontend/src/task-loader.ts b/frontend/src/task-loader.ts
index 303335e..61a0693 100644
--- a/frontend/src/task-loader.ts
+++ b/frontend/src/task-loader.ts
@@ -2,9 +2,24 @@ import type { SimulationNodeDatum, SimulationLinkDatum } from "d3";
 
 export type TaskDescriptor = {
     id: string
+    title?: string
     requires: string[]
     comment?: string
-}
+} & (
+        {
+            type: "open-data",
+            taskReference: string
+        }
+        |
+        {
+            type: "text",
+            htmlContent: string
+        }
+        |
+        {
+            type: "label"
+        }
+    );
 
 export type TasksFile = {
     tasks: TaskDescriptor[]
@@ -28,7 +43,7 @@ export async function saveTasks(tasks: TasksFile) {
     let p: any = {}
     for (let [key, val] of tasks.positions.entries())
         p[key] = val;
-    const data = {...tasks, positions: p}
+    const data = { ...tasks, positions: p }
 
     // request options
     const options = {
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 73e4179..7b387b5 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -1328,6 +1328,11 @@ svelte-preprocess@^4.0.0, svelte-preprocess@~4.3.0:
     detect-indent "^6.0.0"
     strip-indent "^3.0.0"
 
+svelte-simple-modal@^0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/svelte-simple-modal/-/svelte-simple-modal-0.6.1.tgz#5e984f384dda16bc50f00846314dc140ad89864b"
+  integrity sha512-GJGYj+jymzuar105fwkZ73dtcSFCordpbHqt53iE1N1GdqhvEmSs24idRzyIcO7TrTD/V/287X1icFXp88RQHQ==
+
 svelte2tsx@*:
   version "0.1.118"
   resolved "https://registry.yarnpkg.com/svelte2tsx/-/svelte2tsx-0.1.118.tgz#0f408fcd74a69295d6601a99228bc8ca1637b39c"
diff --git a/tasks.json b/tasks.json
index 4d4b60b..f91a807 100644
--- a/tasks.json
+++ b/tasks.json
@@ -12,7 +12,9 @@
             "requires": [
                 "start"
             ],
-            "comment": "kecy o tom, jak se může řešit taková úloha"
+            "comment": "kecy o tom, jak se může řešit taková úloha",
+            "title": "Jak řešit úlohy?",
+            "htmlContent": ""
         },
         {
             "id": "31-Z1-1",