diff --git a/src/lib/api/base.ts b/src/lib/api/base.ts
index c25771d..2b4f37f 100644
--- a/src/lib/api/base.ts
+++ b/src/lib/api/base.ts
@@ -18,16 +18,37 @@ export async function fetchAPI<T>(endpoint: string, options: RequestInit = {}):
     try {
         const response = await fetch(url, options);
         if (!response.ok) {
-            throw new Error(`HTTP error! status: ${response.status}`);
+            let errorText = await response.json();
+            if (
+                errorText &&
+                typeof errorText === "object" &&
+                ("detail" in errorText || "field_errors" in errorText || "non_field_errors" in errorText)
+            ) {
+                // Handle structured error responses
+                if ("detail" in errorText) {
+                    errorText = errorText.detail;
+                } else if ("field_errors" in errorText) {
+                    errorText = Object.values(errorText.field_errors).join(", ");
+                } else if ("non_field_errors" in errorText) {
+                    errorText = errorText.non_field_errors.join(", ");
+                }
+            } else {
+                errorText = `Unexpected error: ${response.statusText}`;
+            }
+            throw new Error(`${errorText}`);
         }
         if (response.status === 204) {
             // No content response
             return {} as T; // Return an empty object for 204 responses
         }
-        return await response.json() as T;
+        return (await response.json()) as T;
     } catch (error) {
         console.error(`Error fetching ${url}:`, error);
-        throw error;
+        if (error instanceof Error) {
+            // If the error is an instance of Error, rethrow it
+            return Promise.reject(new Error(`${error.message}`));
+        }
+        return Promise.reject(new Error(`${error}`));
     }
 }
 
@@ -61,4 +82,4 @@ export function deleteAPI<T>(endpoint: string): Promise<T> {
     return fetchAPI<T>(endpoint, {
         method: "DELETE",
     });
-}
\ No newline at end of file
+}
diff --git a/src/lib/components/ControlPanel.svelte b/src/lib/components/ControlPanel.svelte
index c1bd305..843cd10 100644
--- a/src/lib/components/ControlPanel.svelte
+++ b/src/lib/components/ControlPanel.svelte
@@ -40,8 +40,6 @@
 
     $: $SavedPointsStore, setCoordinatesFromSavedPoint();
 
-    $: inputLat, inputLng, setToCustomOnChange();
-
     function setCoordinatesFromSavedPoint() {
         console.log("Start point changed:", startPoint);
 
@@ -135,6 +133,7 @@
         console.log("Launch position updated:", lat, lng);
         inputLat = lat.toFixed(6).toString();
         inputLng = lng.toFixed(6).toString();
+        setToCustomOnChange();
     };
 
     export const getElement = () => {
@@ -253,9 +252,9 @@
             <FormGroup spacing="mb-2">
                 <Label for="latitude" class="form-label">Широта/Долгота:</Label>
                 <InputGroup size="sm">
-                    <Input id="latitude" type="text" bind:value={inputLat} placeholder="Latitude" />
+                    <Input id="latitude" type="text" bind:value={inputLat} placeholder="Latitude" on:change={setToCustomOnChange} />
                     <InputGroupText>/</InputGroupText>
-                    <Input id="longitude" type="text" bind:value={inputLng} placeholder="Longitude" />
+                    <Input id="longitude" type="text" bind:value={inputLng} placeholder="Longitude" on:change={setToCustomOnChange}  />
                     <Button color="success" size="sm" on:click={applyCoordinatesFromInput} title="Apply Coordinates"
                         >✓</Button
                     >
@@ -278,6 +277,7 @@
                         type="number"
                         id="startHeight"
                         class="form-control-sm"
+                        on:change={setToCustomOnChange} 
                         bind:value={$FlightParametersStore.launch_altitude}
                     />
                 </FormGroup>
diff --git a/src/lib/components/PointListModal.svelte b/src/lib/components/PointListModal.svelte
index 34eaa30..a7866cd 100644
--- a/src/lib/components/PointListModal.svelte
+++ b/src/lib/components/PointListModal.svelte
@@ -1,45 +1,57 @@
 <script lang="ts">
-    import { TableHandler, Datatable } from '@vincjo/datatables'
+    import { TableHandler } from '@vincjo/datatables';
     import { Modal, 
         Button,
         FormGroup,
         Label,
         Input,
-        InputGroup,
-        InputGroupText,
+        Alert,
         Icon,
         Pagination,
         PaginationItem,
         PaginationLink,
-     } from '@sveltestrap/sveltestrap';
+    } from '@sveltestrap/sveltestrap';
     import { onMount } from 'svelte';
+    import { addToast } from '$lib/components/Toast.svelte';
     import type { SavedPoint } from '$lib/types';
     import { SavedPointsStore } from '$lib/stores';
     import { getSavedPoints, savePoint, updatePoint, deletePoint } from '$lib/api/points';
 
-    export let isOpen: boolean = false;
-    export let onClose: () => void = () => {};
+    // Props
+    let { isOpen = $bindable(false), onClose = () => {} } = $props();
 
-    let points: SavedPoint[] = [];
-    const table = new TableHandler($SavedPointsStore, { rowsPerPage: 10 })
+    // Runes
+    let points = $state<SavedPoint[]>([]);
+    let selectedPoint = $state<SavedPoint | null>(null);
+    let newPoint = $state<SavedPoint>({ id: 0, name: '', lat: 0, lon: 0, alt: 0 });
+    let isEditing = $state(false);
+    let isAlertVisible = $state(false);
+    let alertText = $state('');
 
-    let selectedPoint: SavedPoint | null = null;
-    let newPoint: SavedPoint = { id: 0, name: '', lat: 0, lon: 0, alt: 0 };
-    let isEditing: boolean = false;
-    let modalTitle: string = 'Сохраненные точки';
+    // Derived state
+    let modalTitle = $derived(isEditing ? 'Редактирование точки' : 'Сохраненные точки');
 
+    // Table handler
+    let table = $derived(new TableHandler(points, { rowsPerPage: 10 }));
 
+    // Sync with store
+    $effect(() => {
+        points = $SavedPointsStore || [];
+    });
+
+    // On mount, fetch points
     onMount(async () => {
-        points = await getSavedPoints();
+        const pts = await getSavedPoints();
+        points = pts;
         SavedPointsStore.set(points);
     });
 
+    // Modal controls
     export function openModal() {
         isOpen = true;
-        modalTitle = 'Сохраненные точки';
     }
 
-    export function closeModal() {
+    function closeModal() {
         isOpen = false;
         onClose();
     }
@@ -48,13 +60,20 @@
         selectedPoint = point;
         newPoint = { ...point };
         isEditing = true;
-        modalTitle = 'Редактирование точки';
     }
 
     function handleDeletePoint(point: SavedPoint) {
         deletePoint(point.id).then(() => {
             points = points.filter(p => p.id !== point.id);
             SavedPointsStore.set(points);
+            addToast({
+                header: 'Точка удалена',
+                body: `Точка "${point.name}" успешно удалена.`,
+                color: 'success',
+            });
+        }).catch(error => {
+            showAlert(`Ошибка при удалении точки: ${error.message}`);
+            console.error('Ошибка при удалении точки:', error);
         });
     }
 
@@ -63,39 +82,57 @@
             updatePoint(newPoint).then(updatedPoint => {
                 points = points.map(p => (p.id === updatedPoint.id ? updatedPoint : p));
                 SavedPointsStore.set(points);
-                table.setRows(points);
                 resetForm();
+                addToast({
+                    header: 'Точка обновлена',
+                    body: `Точка "${updatedPoint.name}" успешно обновлена.`,
+                    color: 'success',
+                });
+            }).catch(error => {
+                showAlert(`Ошибка при обновлении точки: ${error.message}`);
             });
         } else {
             savePoint(newPoint).then(savedPoint => {
-                points.push(savedPoint);
-                points = [...points]; // Trigger reactivity
+                points = [...points, savedPoint];
                 SavedPointsStore.set(points);
-                table.setRows(points);
                 resetForm();
+                addToast({
+                    header: 'Точка сохранена',
+                    body: `Точка "${savedPoint.name}" успешно сохранена.`,
+                    color: 'success',
+                });
+            }).catch(error => {
+                showAlert(`Ошибка при сохранении точки: ${error.message}`);
+                console.error('Ошибка при сохранении точки:', error);
             });
         }
     }
 
+    export function showAlert(message: string) {
+        isAlertVisible = true;
+        alertText = message;
+    }
+
+    export function hideAlert() {
+        isAlertVisible = false;
+        alertText = '';
+    }
+
     export function resetForm() {
         selectedPoint = null;
         newPoint = { id: 0, name: '', lat: 0, lon: 0, alt: 0 };
         isEditing = false;
-        modalTitle = 'Сохраненные точки';
-    }
-
-    $: if (isOpen) {
-        SavedPointsStore.set(points);
+        hideAlert();
     }
 </script>
 
-<Modal isOpen={isOpen} toggle={closeModal} size="lg" fade={false} backdrop={true} scrollable>
+<Modal {isOpen} toggle={closeModal} size="lg" fade={false} backdrop={true} scrollable>
     <div class="modal-header">
         <h5 class="modal-title">{modalTitle}</h5>
-        <button type="button" class="btn-close" on:click={closeModal} aria-label="Close"></button>
+        <button type="button" class="btn-close" onclick={closeModal} aria-label="Close"></button>
     </div>
-    <div class="modal-body" >
-        <Datatable {table}>
+    <div class="modal-body">
+        <div bind:this={table.element}>
             <table class="table table-sm">
                 <thead>
                     <tr>
@@ -107,17 +144,17 @@
                     </tr>
                 </thead>
                 <tbody>
-                    {#each points as point (point.id)}
+                    {#each table.rows as row}
                         <tr>
-                            <td>{point.name}</td>
-                            <td>{point.lat}</td>
-                            <td>{point.lon}</td>
-                            <td>{point.alt}</td>
+                            <td>{row.name}</td>
+                            <td>{row.lat}</td>
+                            <td>{row.lon}</td>
+                            <td>{row.alt}</td>
                             <td class="fit">
-                                <Button color="primary" size="sm" on:click={() => handleEditPoint(point)}>
+                                <Button color="primary" size="sm" onclick={() => handleEditPoint(row)}>
                                     <Icon name="pencil" />
                                 </Button>
-                                <Button color="danger" size="sm" on:click={() => handleDeletePoint(point)}>
+                                <Button color="danger" size="sm" onclick={() => handleDeletePoint(row)}>
                                     <Icon name="trash" />
                                 </Button>
                             </td>
@@ -125,25 +162,32 @@
                     {/each}
                 </tbody>
             </table>
-        </Datatable>
-        <Pagination aria-label="Page navigation">
+        </div>
+        <Pagination aria-label="Page navigation" size="sm">
             <PaginationItem>
-                <PaginationLink previous on:click={() => table.setPage("previous")} />
+                <PaginationLink previous onclick={() => table.setPage("previous")} />
             </PaginationItem>
             {#each table.pagesWithEllipsis as page}
                 <PaginationItem active={table.currentPage === page}>
-                    <PaginationLink on:click={() => table.setPage(page)}>{page}</PaginationLink>
+                    <PaginationLink onclick={() => table.setPage(page)}>{page}</PaginationLink>
                 </PaginationItem>
             {/each}
             <PaginationItem>
-                <PaginationLink next on:click={() => table.setPage("next")} />
+                <PaginationLink next onclick={() => table.setPage("next")} />
             </PaginationItem>
         </Pagination>
 
+        <hr />
+
         <!-- Form for adding/editing points -->
-        <div class="mt-2">
+        <div>
             <h5>{isEditing ? 'Редактирование точки' : 'Добавить новую точку'}</h5>
-            <form on:submit|preventDefault={handleSavePoint}>
+            <Alert color="danger" isOpen={isAlertVisible} toggle={() => (isAlertVisible = false)} fade={false}
+                class="mb-2">
+                <Icon name="exclamation-triangle" class="me-2" />
+                {alertText}
+            </Alert>
+            <form onsubmit={(e) => { e.preventDefault(); handleSavePoint(); }}>
                 <div class="mb-2">
                     <Label for="name" class="small">Имя:</Label>
                     <Input class="form-control-sm" type="text" id="name" bind:value={newPoint.name} required />
@@ -151,31 +195,30 @@
                 <div class="d-flex gap-2">
                     <FormGroup class="flex-grow-1">
                         <Label for="lat" class="small">Широта:</Label>
-                        <Input class="form-control-sm" type="number" id="lat" bind:value={newPoint.lat} required />
+                        <Input class="form-control-sm" type="number" step="any" id="lat" bind:value={newPoint.lat} required />
                         <span class="form-text">Градусы</span>
                     </FormGroup>
                     <FormGroup class="flex-grow-1">
                         <Label for="lon" class="small">Долгота:</Label>
-                        <Input class="form-control-sm" type="number" id="lon" bind:value={newPoint.lon} required />
+                        <Input class="form-control-sm" type="number" step="any" id="lon" bind:value={newPoint.lon} required />
                         <span class="form-text">Градусы</span>
                     </FormGroup>
                     <FormGroup class="flex-grow-1">
                         <Label for="alt" class="small">Высота:</Label>
-                        <Input class="form-control-sm" type="number" id="alt" bind:value={newPoint.alt} required />
+                        <Input class="form-control-sm" type="number" step="any" id="alt" bind:value={newPoint.alt} required />
                         <span class="form-text">Метры над ур. моря</span>
                     </FormGroup>
-                    </div>
+                </div>
                 <Button type="submit" color="success">
                     {isEditing ? 'Обновить точку' : 'Сохранить точку'}
                 </Button>
                 {#if isEditing}
-                <Button type="button" color="secondary" on:click={resetForm} class="ms-2">Отмена</Button>
+                <Button type="button" color="secondary" onclick={resetForm} class="ms-2">Отмена</Button>
                 {/if}
             </form>
         </div>
     </div>
     <div class="modal-footer">
-        <Button color="secondary" on:click={closeModal}>Закрыть</Button>
+        <Button color="secondary" onclick={closeModal}>Закрыть</Button>
     </div>
 </Modal>
-
diff --git a/src/lib/components/Toast.svelte b/src/lib/components/Toast.svelte
index add2620..c3c9e99 100644
--- a/src/lib/components/Toast.svelte
+++ b/src/lib/components/Toast.svelte
@@ -15,6 +15,17 @@
     /** @type {import('svelte/store').Writable<ToastMessage[]>} */
     export const toasts = writable([]);
 
+    const TOAST_ICONS = {
+        primary: 'info-circle-fill',
+        secondary: 'info-circle-fill',
+        success: 'check-circle-fill',
+        danger: 'exclamation-triangle-fill',
+        warning: 'exclamation-circle-fill',
+        info: 'info-circle-fill',
+        light: 'lightbulb',
+        dark: 'question'
+    };
+
     /**
      * Adds a new toast to the list.
      * @param {Omit<ToastMessage, 'id'>} toast
@@ -48,7 +59,7 @@
 </script>
 
 <script>
-    import { Toast, ToastBody, ToastHeader } from '@sveltestrap/sveltestrap';
+    import { Toast, ToastBody, ToastHeader, Icon } from '@sveltestrap/sveltestrap';
 
     /**
      * Removes a toast from the list by its ID.
@@ -80,7 +91,8 @@
             color={toast.color || 'info'}
             on:close={() => removeToast(toast.id)}
         >
-            <ToastHeader toggle={() => removeToast(toast.id)}>
+            <ToastHeader toggle={() => removeToast(toast.id)} class={`text-${toast.color || 'text-info'}`}>
+                <Icon slot="icon" name={TOAST_ICONS[toast.color ? toast.color : 'info']} class="me-2" color={toast.color || 'info'} />
                 {toast.header}
             </ToastHeader>
             <ToastBody>