diff --git a/src/components/ImageUpload.svelte b/src/components/ImageUpload.svelte
index 63ecbff..9824030 100644
--- a/src/components/ImageUpload.svelte
+++ b/src/components/ImageUpload.svelte
@@ -25,7 +25,7 @@
   let uploadedImage = $state<string | undefined>(undefined);
   let errorMessage = $state<string | undefined>(undefined);
 
-  const uiError = $derived($uiStore.error?.error);
+  const uiError = $derived($uiStore.error);
 
   onMount(() => {
     setupPasteHandler();
@@ -40,14 +40,14 @@
   function setupDragAndDrop() {
     if (!dropZone) return;
 
-    dropZone.addEventListener("dragover", handleDragOver);
-    dropZone.addEventListener("dragleave", handleDragLeave);
-    dropZone.addEventListener("drop", handleDrop);
+    dropZone!.addEventListener("dragover", handleDragOver);
+    dropZone!.addEventListener("dragleave", handleDragLeave);
+    dropZone!.addEventListener("drop", handleDrop);
 
     return () => {
-      dropZone.removeEventListener("dragover", handleDragOver);
-      dropZone.removeEventListener("dragleave", handleDragLeave);
-      dropZone.removeEventListener("drop", handleDrop);
+      dropZone!.removeEventListener("dragover", handleDragOver);
+      dropZone!.removeEventListener("dragleave", handleDragLeave);
+      dropZone!.removeEventListener("drop", handleDrop);
     };
   }
 
@@ -119,7 +119,7 @@
   async function handleUrlSubmit(e: Event) {
     e.preventDefault();
 
-    if (!urlInput.value.trim()) return;
+    if (!urlInput?.value.trim()) return;
 
     try {
       setLoading(true);
@@ -230,12 +230,11 @@
       accept="image/jpeg,image/jpg,image/png,image/webp,image/gif"
       style="display: none;"
       onchange={(e) => {
-        const file = e.target.files?.[0];
+        const file = (e.target as HTMLInputElement).files?.[0];
         if (file) handleFileUpload(file);
       }}
     />
   {/if}
-
   {#if errorMessage}
     <div class="error-message">
       <strong>Ошибка:</strong>
diff --git a/src/components/PanelList.svelte b/src/components/PanelList.svelte
index 390dd0e..12839a9 100644
--- a/src/components/PanelList.svelte
+++ b/src/components/PanelList.svelte
@@ -92,10 +92,9 @@
   {:else}
     <div class="panels-grid">
       {#each panels as panel (panel.id)}
-        <div
+        <button
           class="panel-card {selectedPanelId === panel.id ? 'selected' : ''}"
           onclick={() => handlePanelSelect(panel)}
-          role="button"
           tabindex="0"
         >
           <div class="panel-preview">
@@ -125,7 +124,7 @@
               </IconButton>
             </div>
           </div>
-        </div>
+        </button>
       {/each}
     </div>
   {/if}
diff --git a/src/components/PanelPreview.svelte b/src/components/PanelPreview.svelte
index 9011545..abeff21 100644
--- a/src/components/PanelPreview.svelte
+++ b/src/components/PanelPreview.svelte
@@ -60,7 +60,7 @@
 <div class="panel-preview">
   <div class="preview-header">
     <div class="panel-title">{panel.texts[0]?.text || "Без названия"}</div>
-    <Button variant="primary" size="sm" onclick={onDownload}>Скачать</Button>
+    <Button variant="primary" size="sm" onclick={handleDownload}>Скачать</Button>
   </div>
   <div class="preview-sections">
     <!-- Превью с текстом -->
diff --git a/src/components/TextManager.svelte b/src/components/TextManager.svelte
index 353aa61..a5a06c8 100644
--- a/src/components/TextManager.svelte
+++ b/src/components/TextManager.svelte
@@ -18,7 +18,7 @@
     fontSize: 18,
     fontFamily: "Arial",
     color: "#ffffff",
-    textAlign: "left" | "center" | "right",
+    textAlign: "left",
     paddingX: 10,
     verticalOffset: 0,
   });
@@ -104,7 +104,7 @@
             <input
               type="text"
               value={textItem.text}
-              oninput={(e) => handleUpdateText(textItem.id, e.target.value)}
+              oninput={(e) => handleUpdateText(textItem.id, e.currentTarget.value)}
               class="text-edit-input"
               maxlength="100"
             />
@@ -132,8 +132,8 @@
             max="72"
             step="1"
             value={commonTextSettings.fontSize}
-            oninput={(e) => {
-              commonTextSettings.fontSize = parseInt(e.target.value);
+            oninput={(e: Event) => {
+              commonTextSettings.fontSize = parseInt((e.target as HTMLInputElement).value);
             }}
           />
           <span class="value-display">{commonTextSettings.fontSize}px</span>
@@ -146,7 +146,7 @@
           <select
             value={commonTextSettings.fontFamily}
             onchange={(e) => {
-              commonTextSettings.fontFamily = e.target.value;
+              commonTextSettings.fontFamily = (e.target as HTMLSelectElement).value;
             }}
           >
             {#each availableFonts as font}
@@ -163,7 +163,7 @@
             type="color"
             value={commonTextSettings.color}
             oninput={(e) => {
-              commonTextSettings.color = e.target.value;
+              commonTextSettings.color = (e.target as HTMLInputElement).value;
             }}
           />
         </label>
@@ -214,7 +214,7 @@
             step="1"
             value={commonTextSettings.paddingX}
             oninput={(e) => {
-              commonTextSettings.paddingX = parseInt(e.target.value);
+              commonTextSettings.paddingX = parseInt((e.target as HTMLInputElement).value);
             }}
           />
           <span class="value-display">{commonTextSettings.paddingX}px</span>
@@ -231,7 +231,7 @@
             step="1"
             value={commonTextSettings.verticalOffset}
             oninput={(e) => {
-              commonTextSettings.verticalOffset = parseInt(e.target.value);
+              commonTextSettings.verticalOffset = parseInt((e.target as HTMLInputElement).value);
             }}
           />
           <span class="value-display"
diff --git a/src/lib/components/ui/Button.svelte b/src/lib/components/ui/Button.svelte
index 1306402..fd9eb33 100644
--- a/src/lib/components/ui/Button.svelte
+++ b/src/lib/components/ui/Button.svelte
@@ -12,6 +12,7 @@
     loading?: boolean;
     class?: string;
     children?: any;
+    onclick?: (event: MouseEvent) => void;
     [key: string]: any;
   }
 
diff --git a/src/lib/components/ui/IconButton.svelte b/src/lib/components/ui/IconButton.svelte
index a66dd63..88dc3e3 100644
--- a/src/lib/components/ui/IconButton.svelte
+++ b/src/lib/components/ui/IconButton.svelte
@@ -9,6 +9,7 @@
     ariaLabel?: string;
     class?: string;
     children?: any;
+    onclick?: (event: MouseEvent) => void;
     [key: string]: any;
   }
 
diff --git a/src/lib/types/panel.ts b/src/lib/types/panel.ts
index 0b18ca7..3c88aae 100644
--- a/src/lib/types/panel.ts
+++ b/src/lib/types/panel.ts
@@ -1,14 +1,13 @@
+export type TextAlign = "left" | "center" | "right";
+
 export interface TextItem {
   id: string;
   text: string;
   fontSize: number;
   fontFamily: string;
   color: string;
-  // Выравнивание текста: left, center, right
-  textAlign: "left" | "center" | "right";
-  // Боковые отступы (лево/право)
+  textAlign: TextAlign;
   paddingX: number;
-  // Смещение от центра по вертикали (для компенсации визуального центра разных шрифтов)
   verticalOffset: number;
 }
 
diff --git a/src/lib/utils/imageValidator.ts b/src/lib/utils/imageValidator.ts
index 6778149..7619e50 100644
--- a/src/lib/utils/imageValidator.ts
+++ b/src/lib/utils/imageValidator.ts
@@ -3,10 +3,14 @@ import { ImageError } from "../types/errors";
 export const MAX_FILE_SIZE = 10 * 1024 * 1024; // 10MB
 export const SUPPORTED_FORMATS = ["image/jpeg", "image/jpg", "image/png", "image/webp", "image/gif"];
 
-export interface ValidationResult {
-  isValid: boolean;
-  error?: string;
-}
+export type ValidationResult =
+  | {
+      isValid: true;
+    }
+  | {
+      isValid: false;
+      error: string;
+    };
 
 export function validateFileSize(file: File): ValidationResult {
   if (file.size > MAX_FILE_SIZE) {
diff --git a/src/stores/panelStore.ts b/src/stores/panelStore.ts
index 5063ae8..99197ed 100644
--- a/src/stores/panelStore.ts
+++ b/src/stores/panelStore.ts
@@ -1,5 +1,5 @@
 import { writable, type Writable } from "svelte/store";
-import { type Panel } from "../lib/types/panel";
+import { type Panel, type TextAlign, type TextItem } from "../lib/types/panel";
 import { v4 as uuidv4 } from "uuid";
 
 export const panelStore: Writable<Panel | undefined> = writable(undefined);
@@ -24,7 +24,7 @@ export const updatePanel = (panel: Panel, updates: Partial<Panel>): Panel => {
 };
 
 export const addTextToPanel = (panel: Panel, text: string): Panel => {
-  const newText = {
+  const newText: TextItem = {
     id: uuidv4(),
     text,
     fontSize: 18,
@@ -52,7 +52,7 @@ export const removeTextFromPanel = (panel: Panel, textId: string): Panel => {
 };
 
 export const createPanelFromText = (backgroundImage: string, text: string, height: number = 100): Panel => {
-  const newText = {
+  const newText: TextItem = {
     id: uuidv4(),
     text,
     fontSize: 18,