diff --git a/apps/tauri/src-tauri/tauri.conf.json b/apps/tauri/src-tauri/tauri.conf.json
index ad02de7..0028a1b 100644
--- a/apps/tauri/src-tauri/tauri.conf.json
+++ b/apps/tauri/src-tauri/tauri.conf.json
@@ -20,7 +20,7 @@
         "minHeight": 500,
         "resizable": true,
         "decorations": false,
-        "transparent": true
+        "transparent": false
       }
     ],
     "security": {
diff --git a/apps/tauri/src/App.svelte b/apps/tauri/src/App.svelte
index ecc3e47..7e9641f 100644
--- a/apps/tauri/src/App.svelte
+++ b/apps/tauri/src/App.svelte
@@ -11,10 +11,10 @@
 </script>
 
 <div class={app.darkMode ? "dark" : ""}>
-  <div class="h-screen w-screen p-2">
+  <div class="h-screen w-screen">
     <div
-      class="relative h-full w-full overflow-hidden rounded-xl border border-black/15 bg-surface-light text-text-light dark:border-white/15 dark:bg-surface-dark dark:text-text-dark"
-      style="container-type: inline-size; box-shadow: 0 2px 8px rgba(0,0,0,0.25), 0 0 2px rgba(0,0,0,0.1)"
+      class="relative h-full w-full overflow-hidden bg-surface-light text-text-light dark:bg-surface-dark dark:text-text-dark"
+      style="container-type: inline-size"
     >
       {#if app.error}
         <div
diff --git a/apps/tauri/src/app.css b/apps/tauri/src/app.css
index 7636361..3db4892 100644
--- a/apps/tauri/src/app.css
+++ b/apps/tauri/src/app.css
@@ -24,16 +24,11 @@
   -moz-osx-font-smoothing: grayscale;
 }
 
-html {
-  background: transparent;
-}
-
 body {
   margin: 0;
   overflow: hidden;
   user-select: none;
   -webkit-user-select: none;
-  background: transparent;
 }
 
 /* Scrollbar styling */
diff --git a/apps/tauri/src/lib/components/NewTaskInput.svelte b/apps/tauri/src/lib/components/NewTaskInput.svelte
index c3325cd..9efc02b 100644
--- a/apps/tauri/src/lib/components/NewTaskInput.svelte
+++ b/apps/tauri/src/lib/components/NewTaskInput.svelte
@@ -5,16 +5,24 @@
 
 <script lang="ts">
   import { app } from "../stores/app.svelte";
+  import DateTimePicker from "./DateTimePicker.svelte";
 
   let title = $state("");
   let description = $state("");
+  let dueDate = $state<string | null>(null);
   let inputEl = $state<HTMLInputElement | null>(null);
+  let showDatePicker = $state(false);
 
   async function handleSubmit() {
     if (!title.trim()) return;
     await app.createTask(title.trim(), description.trim() || undefined);
+    if (dueDate && app.tasks.length > 0) {
+      const created = app.tasks[app.tasks.length - 1];
+      await app.updateTask({ ...created, due_date: dueDate, updated_at: new Date().toISOString() });
+    }
     title = "";
     description = "";
+    dueDate = null;
     newTaskState.open = false;
   }
 
@@ -22,6 +30,24 @@
     newTaskState.open = false;
     title = "";
     description = "";
+    dueDate = null;
+    showDatePicker = false;
+  }
+
+  function handleDateChange(iso: string | null) {
+    dueDate = iso;
+  }
+
+  function formatDateChip(iso: string): string {
+    const d = new Date(iso);
+    const today = new Date();
+    const dayNames = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
+    const day = dayNames[d.getDay()];
+    const pad = (n: number) => String(n).padStart(2, "0");
+    const hasTime = d.getHours() !== 0 || d.getMinutes() !== 0;
+    const timePart = hasTime ? `, ${pad(d.getHours())}:${pad(d.getMinutes())}` : "";
+    if (d.toDateString() === today.toDateString()) return `Today${timePart}`;
+    return `${day}, ${pad(d.getDate())}/${pad(d.getMonth() + 1)}${timePart}`;
   }
 
   $effect(() => {
@@ -31,51 +57,90 @@
   });
 </script>
 
-<!-- Backdrop -->
+<!-- Backdrop + sheet wrapper -->
 <!-- svelte-ignore a11y_no_static_element_interactions -->
 <div
-  class="absolute inset-0 z-40 transition-opacity duration-250 ease-out {newTaskState.open ? 'opacity-100 pointer-events-auto' : 'opacity-0 pointer-events-none'}"
+  class="fixed inset-0 z-50 flex flex-col justify-end transition-opacity duration-250 ease-out {newTaskState.open ? 'opacity-100 pointer-events-auto' : 'opacity-0 pointer-events-none'}"
   style="background: rgba(0,0,0,0.4)"
   onclick={handleClose}
   onkeydown={(e) => { if (e.key === "Escape") handleClose(); }}
-></div>
-
-<!-- Toast input sheet -->
-<div
-  class="pointer-events-auto absolute bottom-0 left-0 right-0 z-50 rounded-t-2xl bg-surface-light shadow-xl transition-all duration-250 ease-out dark:bg-card-dark {newTaskState.open ? 'translate-y-0 opacity-100' : 'translate-y-full opacity-0 pointer-events-none'}"
 >
-  <div class="px-4 pb-4 pt-3">
-    <form onsubmit={(e) => { e.preventDefault(); handleSubmit(); }}>
-      <input
-        bind:this={inputEl}
-        type="text"
-        bind:value={title}
-        placeholder="New task"
-        class="w-full border-none bg-transparent text-base font-medium outline-none placeholder:opacity-40"
-        onkeydown={(e) => { if (e.key === "Escape") handleClose(); }}
-      />
-      <input
-        type="text"
+<!-- svelte-ignore a11y_no_static_element_interactions -->
+<div
+  class="rounded-t-2xl bg-surface-light shadow-xl transition-transform duration-250 ease-out dark:bg-card-dark {newTaskState.open ? 'translate-y-0' : 'translate-y-full'}"
+  onclick={(e) => e.stopPropagation()}
+>
+  <form onsubmit={(e) => { e.preventDefault(); handleSubmit(); }} class="px-4 pt-4">
+    <!-- Title -->
+    <input
+      bind:this={inputEl}
+      type="text"
+      bind:value={title}
+      placeholder="Task title"
+      class="w-full bg-transparent text-xl font-bold outline-none placeholder:opacity-30"
+      onkeydown={(e) => { if (e.key === "Escape") handleClose(); }}
+    />
+
+    <!-- Description -->
+    <div class="mt-4 flex items-start gap-3">
+      <svg class="mt-0.5 h-5 w-5 shrink-0 opacity-40" viewBox="0 0 20 20" fill="currentColor">
+        <path fill-rule="evenodd" d="M4 4a1 1 0 011-1h10a1 1 0 110 2H5a1 1 0 01-1-1zm0 4a1 1 0 011-1h10a1 1 0 110 2H5a1 1 0 01-1-1zm0 4a1 1 0 011-1h7a1 1 0 110 2H5a1 1 0 01-1-1z" />
+      </svg>
+      <textarea
         bind:value={description}
         placeholder="Add details"
-        class="mt-2 w-full border-none bg-transparent text-sm outline-none placeholder:opacity-40"
+        rows="3"
+        class="w-full flex-1 resize-none bg-transparent text-sm outline-none placeholder:opacity-40"
         onkeydown={(e) => { if (e.key === "Escape") handleClose(); }}
-      />
-    </form>
-
-    <div class="mt-3 flex items-center justify-between">
-      <button class="opacity-40 hover:opacity-70" title="Set due date">
-        <svg class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor">
-          <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm1-12a1 1 0 10-2 0v4a1 1 0 00.293.707l2.828 2.829a1 1 0 101.415-1.415L11 9.586V6z" clip-rule="evenodd" />
-        </svg>
-      </button>
-      <button
-        onclick={handleSubmit}
-        disabled={!title.trim()}
-        class="text-sm font-medium text-primary disabled:opacity-30"
-      >
-        Save
-      </button>
+      ></textarea>
     </div>
+
+    <!-- Date/time -->
+    <div class="mt-4 flex items-center gap-3">
+      <svg class="h-5 w-5 shrink-0 opacity-40" viewBox="0 0 20 20" fill="currentColor">
+        <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm1-12a1 1 0 10-2 0v4a1 1 0 00.293.707l2.828 2.829a1 1 0 101.415-1.415L11 9.586V6z" clip-rule="evenodd" />
+      </svg>
+      {#if dueDate}
+        <div class="flex items-center gap-1.5 rounded-full border border-border-light bg-black/5 px-3 py-1 text-sm dark:border-border-dark dark:bg-white/10">
+          <button type="button" onclick={() => (showDatePicker = true)} class="hover:opacity-70">
+            {formatDateChip(dueDate)}
+          </button>
+          <button type="button" onclick={() => (dueDate = null)} class="opacity-40 hover:opacity-80">
+            <svg class="h-3.5 w-3.5" viewBox="0 0 20 20" fill="currentColor">
+              <path d="M6.28 5.22a.75.75 0 00-1.06 1.06L8.94 10l-3.72 3.72a.75.75 0 101.06 1.06L10 11.06l3.72 3.72a.75.75 0 101.06-1.06L11.06 10l3.72-3.72a.75.75 0 00-1.06-1.06L10 8.94 6.28 5.22z" />
+            </svg>
+          </button>
+        </div>
+      {:else}
+        <button
+          type="button"
+          onclick={() => (showDatePicker = true)}
+          class="text-sm opacity-40 hover:opacity-70"
+        >
+          Add date/time
+        </button>
+      {/if}
+    </div>
+  </form>
+
+  <!-- Save button -->
+  <div class="border-t border-border-light px-4 py-3 mt-4 dark:border-border-dark">
+    <button
+      onclick={handleSubmit}
+      disabled={!title.trim()}
+      class="w-full text-center text-sm font-medium text-primary hover:opacity-70 disabled:opacity-30"
+    >
+      Save
+    </button>
   </div>
+
+  <!-- Date picker overlay -->
+  {#if showDatePicker}
+    <DateTimePicker
+      value={dueDate}
+      onchange={handleDateChange}
+      onclose={() => (showDatePicker = false)}
+    />
+  {/if}
+</div>
 </div>
diff --git a/apps/tauri/src/lib/screens/TasksScreen.svelte b/apps/tauri/src/lib/screens/TasksScreen.svelte
index 41bfb3e..8bf756e 100644
--- a/apps/tauri/src/lib/screens/TasksScreen.svelte
+++ b/apps/tauri/src/lib/screens/TasksScreen.svelte
@@ -334,7 +334,6 @@
         <!-- svelte-ignore a11y_no_static_element_interactions -->
         <header
           onmousedown={handleHeaderMouseDown}
-          ondblclick={() => { if (isDesktop) appWindow.toggleMaximize(); }}
           class="relative flex items-center border-b border-border-light px-4 py-3 dark:border-border-dark"
         >
           <!-- Drawer toggle (left) -->
@@ -367,14 +366,6 @@
                     <path d="M4 10a1 1 0 011-1h10a1 1 0 110 2H5a1 1 0 01-1-1z" />
                   </svg>
                 </button>
-                <button
-                  onclick={() => appWindow.toggleMaximize()}
-                  class="rounded p-1.5 opacity-50 hover:bg-black/10 hover:opacity-80 dark:hover:bg-white/10"
-                >
-                  <svg class="h-3.5 w-3.5" viewBox="0 0 20 20" fill="none" stroke="currentColor" stroke-width="2">
-                    <rect x="3" y="3" width="14" height="14" rx="1" />
-                  </svg>
-                </button>
               {/if}
               <button
                 onclick={() => appWindow.close()}