diff --git a/AGENTS.md b/AGENTS.md
index 2140b9b..d725619 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -1 +1 @@
-- Puoi modificare direttamente i tag e lo stile di componenti e pagine.
+- Puoi modificare direttamente i tag e lo stile di componenti e pagine, non puoi modificare la sezione di codice spontaneamente.
diff --git a/src/lib/assets/ui/color-mode.svg b/src/lib/assets/ui/color-mode.svg
new file mode 100644
index 0000000..3b2c50b
--- /dev/null
+++ b/src/lib/assets/ui/color-mode.svg
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?><!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg width="800px" height="800px" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<circle cx="12" cy="12" r="8.5" stroke="#222222"/>
+<path d="M16.2426 7.75736C15.1174 6.63214 13.5913 6 12 6C10.4087 6 8.88258 6.63214 7.75736 7.75736C6.63214 8.88258 6 10.4087 6 12C6 13.5913 6.63214 15.1174 7.75736 16.2426L12 12L16.2426 7.75736Z" fill="#222222"/>
+</svg>
\ No newline at end of file
diff --git a/src/lib/components/board/BoardCanvas.svelte b/src/lib/components/board/BoardCanvas.svelte
index d91a1d1..4f5c5c4 100644
--- a/src/lib/components/board/BoardCanvas.svelte
+++ b/src/lib/components/board/BoardCanvas.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-	import NoteCard from '$lib/components/board/Note.svelte';
+	import NoteCard from '$lib/components/board/NoteCard.svelte';
 	import type { BoardNote } from '$lib/components/board/script/types';
 	import { BOARD_GRID_SIZE, BOARD_HEIGHT, BOARD_WIDTH } from '$lib/components/board/script/constants';
 
@@ -15,7 +15,6 @@
 <section
 	class="board"
 	role="application"
-	aria-label="Bacheca note"
 	onpointerdown={onStartPan}
 	style={`--board-width:${BOARD_WIDTH}px; --board-height:${BOARD_HEIGHT}px; --grid-size:${BOARD_GRID_SIZE}px;`}
 >
@@ -42,8 +41,8 @@
 		height: var(--board-height);
 		padding: 90px 30px 60px;
 		background-image:
-			linear-gradient(to right, rgba(140, 155, 176, 0.14) 1px, transparent 1px),
-			linear-gradient(to bottom, rgba(140, 155, 176, 0.14) 1px, transparent 1px);
+			linear-gradient(to right, var(--grid-line, rgba(140, 155, 176, 0.14)) 1px, transparent 1px),
+			linear-gradient(to bottom, var(--grid-line, rgba(140, 155, 176, 0.14)) 1px, transparent 1px);
 		background-size: var(--grid-size) var(--grid-size);
 	}
 
diff --git a/src/lib/components/board/Note.svelte b/src/lib/components/board/NoteCard.svelte
similarity index 94%
rename from src/lib/components/board/Note.svelte
rename to src/lib/components/board/NoteCard.svelte
index 68f66bf..6a427c3 100644
--- a/src/lib/components/board/Note.svelte
+++ b/src/lib/components/board/NoteCard.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-	import type { Note } from '$lib/components/editor/script/editor';
+	import type { Note } from '$lib/components/editor/script/types';
 
 	type Props = {
 		note: Note;
diff --git a/src/lib/components/board/script/constants.ts b/src/lib/components/board/script/constants.ts
index eaddb6f..f6e1aa3 100644
--- a/src/lib/components/board/script/constants.ts
+++ b/src/lib/components/board/script/constants.ts
@@ -1,7 +1,7 @@
 export const BOARD_WIDTH = 5400;
 export const BOARD_HEIGHT = 5400;
 
-export const BOARD_GRID_SIZE = 16;
+export const BOARD_GRID_SIZE = 32;
 
 export const NOTE_CARD_WIDTH = 280;
 export const NOTE_CARD_MIN_HEIGHT = 140;
diff --git a/src/lib/components/editor/ColorSelector.svelte b/src/lib/components/editor/ColorSelector.svelte
index e69de29..accb17d 100644
--- a/src/lib/components/editor/ColorSelector.svelte
+++ b/src/lib/components/editor/ColorSelector.svelte
@@ -0,0 +1,62 @@
+<script lang="ts">
+	import { palette } from "./script/constant";
+
+	type Props = {
+		selectedColor: string;
+		onSelect(color: string): void;
+	};
+
+	let { selectedColor , onSelect }: Props = $props();
+</script>
+
+<div class="color-tooltip" role="dialog" aria-label="Seleziona un colore">
+	{#each palette as color (color)}
+		<button
+			type="button"
+			class="color-dot"
+			class:selected={selectedColor === color}
+			style={`background:${color};`}
+			aria-label={`Colore ${color}`}
+			title={color}
+			onclick={() => {
+				selectedColor = color;
+				onSelect(color);
+			}}
+		></button>
+	{/each}
+</div>
+
+<style>
+	.color-tooltip {
+		position: absolute;
+		left: 0;
+		bottom: calc(100% + 8px);
+		display: flex;
+		align-items: center;
+		gap: 8px;
+		padding: 8px 10px;
+		border-radius: 14px;
+		border: 1px solid #e0e0e0;
+		background: #fff;
+		box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
+		z-index: 20;
+	}
+
+	.color-dot {
+		width: 28px;
+		height: 28px;
+		border-radius: 999px;
+		border: 1px solid rgba(0, 0, 0, 0.12);
+		cursor: pointer;
+		transition: transform 0.12s ease;
+	}
+
+	.color-dot:hover {
+		transform: scale(1.08);
+	}
+
+	.color-dot.selected {
+		outline: 2px solid #5f6368;
+		outline-offset: 1px;
+	}
+</style>
diff --git a/src/lib/components/editor/NoteEditor.svelte b/src/lib/components/editor/NoteEditor.svelte
index 027ab2d..010cf97 100644
--- a/src/lib/components/editor/NoteEditor.svelte
+++ b/src/lib/components/editor/NoteEditor.svelte
@@ -5,28 +5,19 @@
 	import imageSvg from '$lib/assets/composer/image.svg';
 	import fileSvg from '$lib/assets/composer/file.svg';
 	import paletteSvg from '$lib/assets/composer/palette.svg';
-  import { palette } from './script/constant';
+	import ColorSelector from './ColorSelector.svelte';
 
 	type Props = {
-		note?: Note;
+		note: Note;
 		onSubmit: (note: Note) => void;
-		onClose?: () => void;
+		onClose: () => void;
 	};
 
 	let { note, onSubmit, onClose }: Props = $props();
+	let showColorSelector = $state(false);
+	let colorSelectorWrapper: HTMLDivElement | undefined = $state();
 
 	onMount(() => {
-		if (!note) {
-			note = {
-				id: nanoid(),
-				title: '',
-				content: '',
-				color: palette[0],
-				date: new Date(),
-				images: [],
-				files: []
-			};
-		}
 		return () => {};
 	});
 
@@ -37,11 +28,32 @@
 				onSubmit({ ...note, date: new Date() });
 			}
 		}
-		onClose?.();
+		onClose();
 	};
+
+  const handleColorSelectorClick = (e : MouseEvent & {currentTarget: EventTarget & Window}) => {
+		if (!showColorSelector || !colorSelectorWrapper) return;
+		if (!colorSelectorWrapper.contains(e.target as Node)) {
+			showColorSelector = false;
+		}
+  }
+
+  const handleColorSelectorKeydown = (e: KeyboardEvent & {currentTarget: EventTarget & Window} ) => {
+		if (e.key === 'Escape') {
+			showColorSelector = false;
+		}
+  }
+
+  const onColorSelect = (color: string) => {
+    note = { ...note, color };
+  }
+
 </script>
 
-<svelte:window />
+<svelte:window
+	onkeydown={handleColorSelectorKeydown}
+	onclick={handleColorSelectorClick}
+/>
 
 {#if note}
   <section class="note-editor" style={`background: ${note.color};`}>
@@ -62,14 +74,25 @@
 
     <footer class="editor-footer">
       <div class="left-actions" aria-label="Azioni nota">
-        <button type="button" class="icon-btn" aria-label="Sfondo colore">
-          <img src={paletteSvg} alt="" class="icon-svg" />
-        </button>
+        <div class="color-selector-wrapper" bind:this={colorSelectorWrapper}>
+          <button
+            type="button"
+            class="icon-btn"
+            aria-label="Sfondo colore"
+            aria-expanded={showColorSelector}
+            onclick={() => (showColorSelector = !showColorSelector)}
+          >
+            <img src={paletteSvg} alt="Palette" class="icon-svg" />
+          </button>
+          {#if showColorSelector}
+            <ColorSelector selectedColor={note.color} onSelect={onColorSelect}/>
+          {/if}
+        </div>
         <button type="button" class="icon-btn" aria-label="Immagine">
           <img src={imageSvg} alt="" class="icon-svg" />
         </button>
         <button type="button" class="icon-btn" aria-label="File">
-          <img src={fileSvg} alt="" class="icon-svg" />
+          <img src={fileSvg} alt="File" class="icon-svg" />
         </button>
       </div>
 
@@ -134,7 +157,8 @@
     align-items: center;
     justify-content: space-between;
     gap: 12px;
-    padding-top: 4px;
+    padding-top: 10px;
+    min-height: 44px;
   }
 
   .left-actions {
@@ -144,9 +168,13 @@
     gap: 2px;
   }
 
+  .color-selector-wrapper {
+    position: relative;
+  }
+
   .icon-btn {
-    width: 30px;
-    height: 30px;
+    width: 34px;
+    height: 34px;
     border: 0;
     border-radius: 999px;
     background: transparent;
@@ -157,8 +185,8 @@
   }
 
   .icon-svg {
-    width: 18px;
-    height: 18px;
+    width: 20px;
+    height: 20px;
     display: block;
     object-fit: contain;
     pointer-events: none;
@@ -175,14 +203,14 @@
   }
 
   .close-btn {
-    height: 32px;
+    height: 36px;
     border: 0;
     border-radius: 6px;
     background: transparent;
     color: #202124;
-    font-size: 1.45rem;
+    font-size: 1.55rem;
     font-weight: 500;
-    padding: 0 10px;
+    padding: 0 12px;
     cursor: pointer;
   }
 
diff --git a/src/lib/components/editor/script/constant.ts b/src/lib/components/editor/script/constant.ts
index bcfcd48..2e414f1 100644
--- a/src/lib/components/editor/script/constant.ts
+++ b/src/lib/components/editor/script/constant.ts
@@ -1 +1,27 @@
-export const palette = ['#ffffff', '#fef3c7', '#dbeafe', '#dcfce7', '#fee2e2', '#f3e8ff'];
\ No newline at end of file
+import { nanoid } from "nanoid";
+import type { Note } from "./types";
+
+export const palette = [
+	'#ffffff',
+	'#f28b82',
+	'#f6a04d',
+	'#fff475',
+	'#ccff90',
+	'#a7ffeb',
+	'#cbf0f8',
+	'#aecbfa',
+	'#d7aefb',
+	'#fdcfe8',
+	'#e6c9a8',
+	'#e8eaed'
+];
+
+export const createEmptyNote = (): Note => ({
+	id: nanoid(),
+	title: '',
+	content: '',
+	color: palette[0],
+	date: new Date(),
+	images: [],
+	files: []
+});
\ No newline at end of file
diff --git a/src/lib/components/ui/ColorModeToggle.svelte b/src/lib/components/ui/ColorModeToggle.svelte
new file mode 100644
index 0000000..22b0b0f
--- /dev/null
+++ b/src/lib/components/ui/ColorModeToggle.svelte
@@ -0,0 +1,52 @@
+<script lang="ts">
+	import colorMode from '$lib/assets/ui/color-mode.svg';
+
+	type Props = {
+		onToggle: () => void
+	}
+
+	let { onToggle }: Props = $props();
+
+</script>
+
+<button
+	class="theme-toggle"
+	type="button"
+	onclick={onToggle}
+>
+	<img src={colorMode} alt="" aria-hidden="true" class="theme-toggle-icon" />
+</button>
+
+<style>
+	.theme-toggle {
+		position: fixed;
+		right: 16px;
+		bottom: 16px;
+		z-index: 100;
+		display: inline-flex;
+		align-items: center;
+		gap: 8px;
+		height: 40px;
+		padding: 0 12px;
+		border-radius: 10px;
+		border: 1px solid var(--theme-toggle-border);
+		background: var(--theme-toggle-bg);
+		color: var(--theme-toggle-text);
+		font-size: 1.3rem;
+		font-weight: 600;
+		letter-spacing: 0.01em;
+		cursor: pointer;
+		backdrop-filter: blur(6px);
+		box-shadow: var(--theme-toggle-shadow);
+	}
+
+	.theme-toggle:hover {
+		transform: translateY(-1px);
+	}
+
+	.theme-toggle-icon {
+		width: 18px;
+		height: 18px;
+		display: block;
+	}
+</style>
diff --git a/src/lib/components/ui/Minimap.svelte b/src/lib/components/ui/Minimap.svelte
index a9ac2ad..ac20a68 100644
--- a/src/lib/components/ui/Minimap.svelte
+++ b/src/lib/components/ui/Minimap.svelte
@@ -15,10 +15,10 @@
 
 	const minimapHeight = (MINIMAP_WIDTH * BOARD_HEIGHT) / BOARD_WIDTH;
 
-	const viewportLeftPercent = $derived((viewport.scrollLeft / BOARD_WIDTH) * 100);
-	const viewportTopPercent = $derived((viewport.scrollTop / BOARD_HEIGHT) * 100);
-	const viewportWidthPercent = $derived((viewport.width / BOARD_WIDTH) * 100);
-	const viewportHeightPercent = $derived((viewport.height / BOARD_HEIGHT) * 100);
+	let viewportLeftPercent = $derived((viewport.scrollLeft / BOARD_WIDTH) * 100);
+	let viewportTopPercent = $derived((viewport.scrollTop / BOARD_HEIGHT) * 100);
+	let viewportWidthPercent = $derived((viewport.width / BOARD_WIDTH) * 100);
+	let viewportHeightPercent = $derived((viewport.height / BOARD_HEIGHT) * 100);
 
 	const navigateFromPointer = (event: PointerEvent) => {
 		const element = event.currentTarget as HTMLElement;
@@ -55,7 +55,7 @@
 		{#each notes as note (note.id)}
 			<span
 				class="note-dot"
-				style={`left:${(note.x / BOARD_WIDTH) * 100}%; top:${(note.y / BOARD_HEIGHT) * 100}%;`}
+				style={`left:${(note.x / BOARD_WIDTH) * 100}%; top:${(note.y / BOARD_HEIGHT) * 100}%; background:${note.color};`}
 			></span>
 		{/each}
 
@@ -74,7 +74,7 @@
 		z-index: 90;
 		padding: 6px;
 		border-radius: 10px;
-		background: rgba(255, 255, 255, 0.68);
+		background: var(--minimap-shell-bg, rgba(255, 255, 255, 0.68));
 		backdrop-filter: blur(5px);
 		box-shadow: 0 4px 14px rgba(32, 33, 36, 0.16);
 	}
@@ -87,10 +87,10 @@
 		overflow: hidden;
 		cursor: pointer;
 		background-image:
-			linear-gradient(to right, rgba(140, 155, 176, 0.14) 1px, transparent 1px),
-			linear-gradient(to bottom, rgba(140, 155, 176, 0.14) 1px, transparent 1px);
+			linear-gradient(to right, var(--grid-line, rgba(140, 155, 176, 0.14)) 1px, transparent 1px),
+			linear-gradient(to bottom, var(--grid-line, rgba(140, 155, 176, 0.14)) 1px, transparent 1px);
 		background-size: 10px 10px;
-		background-color: rgba(234, 239, 245, 0.92);
+		background-color: var(--minimap-board-bg, rgba(234, 239, 245, 0.92));
 	}
 
 	.note-dot {
@@ -98,14 +98,14 @@
 		width: 5px;
 		height: 5px;
 		border-radius: 999px;
-		background: rgba(50, 84, 122, 0.76);
+		border: 1px solid rgba(17, 24, 39, 0.3);
 		transform: translate(-50%, -50%);
 	}
 
 	.viewport-frame {
 		position: absolute;
-		border: 1px solid rgba(17, 80, 145, 0.9);
-		background: rgba(63, 134, 206, 0.12);
+		border: 1px solid var(--minimap-frame-border, rgba(17, 80, 145, 0.9));
+		background: var(--minimap-frame-bg, rgba(63, 134, 206, 0.12));
 		box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.75);
 		pointer-events: none;
 	}
diff --git a/src/lib/components/ui/Navbar.svelte b/src/lib/components/ui/Navbar.svelte
index 407898e..b735156 100644
--- a/src/lib/components/ui/Navbar.svelte
+++ b/src/lib/components/ui/Navbar.svelte
@@ -1,6 +1,7 @@
 <script lang="ts">
 	import type { Note } from '$lib/components/editor/script/types';
 	import NoteEditor from '../editor/NoteEditor.svelte';
+	import { createEmptyNote } from '../editor/script/constant';
 
 	type Props = {
 		onCreate: (note: Note) => void;
@@ -9,6 +10,7 @@
 	let { onCreate }: Props = $props();
 
 	let expanded = $state(false);
+	let editorNote = $state<Note>(createEmptyNote());
 </script>
 
 <svelte:window
@@ -21,28 +23,35 @@
 />
 
 {#if !expanded}
-	<button class="note-navbar-trigger" type="button" onclick={() => (expanded = true)}>
+	<button
+		class="note-navbar-trigger"
+		type="button"
+		onclick={() => {
+			editorNote = createEmptyNote();
+			expanded = true;
+		}}
+	>
 		Scrivi una nota...
 	</button>
 {:else}
 	<div class="note-editor-container">
-		<NoteEditor note={undefined} onSubmit={onCreate} onClose={() => (expanded = false)} />
+		<NoteEditor note={editorNote} onSubmit={onCreate} onClose={() => (expanded = false)} />
 	</div>
 {/if}
 
 <style>
 	.note-navbar-trigger {
 		width: 100%;
-		min-height: 52px;
-		border: 1px solid #d3d3d3;
+		min-height: 46px;
+		border: 1px solid var(--surface-border, #d3d3d3);
 		border-radius: 10px;
-		background: #fff;
-		box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
-		padding: 0 18px;
+		background: var(--surface, #fff);
+		box-shadow: var(--surface-shadow, 0 1px 3px rgba(0, 0, 0, 0.18));
+		padding: 0 16px;
 		text-align: left;
-		font-size: 1.95rem;
+		font-size: 1.75rem;
 		line-height: 1;
-		color: #5f6368;
+		color: var(--text-muted, #5f6368);
 		cursor: text;
 		transition:
 			box-shadow 0.15s ease,
@@ -51,7 +60,7 @@
 
 	.note-navbar-trigger:hover,
 	.note-navbar-trigger:focus-visible {
-		border-color: #c6c6c6;
+		border-color: color-mix(in srgb, var(--surface-border, #d3d3d3) 82%, #ffffff 18%);
 		box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
 		outline: none;
 	}
diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index 6fc6978..4358774 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -33,10 +33,6 @@
 		};
 	};
 
-	onMount(() => {
-		updateViewportMetrics();
-	});
-
 	const handleCreate = (note: Note) => {
 		const pos = getRandomPosition(notes.length);
 		maxZ += 1;
@@ -111,6 +107,10 @@
 		viewportEl.scrollTop = clamp(scrollTop, 0, BOARD_HEIGHT - viewportEl.clientHeight);
 		updateViewportMetrics();
 	};
+
+	onMount(() => {
+		updateViewportMetrics();
+	});
 </script>
 
 <svelte:window
@@ -147,10 +147,19 @@
 	}
 
 	.board-viewport {
+		--app-bg: radial-gradient(circle at top right, #f8fbff, #eef2f7 45%, #e6ebf2 100%);
+		--surface: #ffffff;
+		--surface-border: #d3d3d3;
+		--surface-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
+		--text-muted: #5f6368;
+		--grid-line: rgba(140, 155, 176, 0.14);
+		--minimap-shell-bg: rgba(255, 255, 255, 0.68);
+		--minimap-board-bg: rgba(234, 239, 245, 0.92);
+		--minimap-frame-border: rgba(17, 80, 145, 0.9);
+		--minimap-frame-bg: rgba(63, 134, 206, 0.12);
 		height: 100vh;
 		overflow: auto;
-		background:
-			radial-gradient(circle at top right, #f8fbff, #eef2f7 45%, #e6ebf2 100%);
+		background: var(--app-bg);
 		scrollbar-width: none;
 		-ms-overflow-style: none;
 		cursor: grab;
@@ -180,4 +189,5 @@
 		margin: 0 auto;
 		pointer-events: auto;
 	}
+
 </style>