diff --git a/frontend/src/App.js b/frontend/src/App.js
index 09d65e4..202e30c 100644
--- a/frontend/src/App.js
+++ b/frontend/src/App.js
@@ -1,4 +1,4 @@
-import React, { useEffect } from "react";
+import React, { useEffect, useState } from "react";
 import { BrowserRouter as Router, Routes, Route, Navigate, useLocation } from "react-router-dom";
 import AdminDashboard from "./pages/AdminDashboard";
 import MobileFormPage from "./pages/MobileFormPage";
@@ -27,7 +27,17 @@ function ThemeProvider({ children }) {
 }
 
 function App() {
-  const isMobile = /iPhone|iPad|iPod|Android/i.test(navigator.userAgent) || window.innerWidth < 768;
+  const [isMobile, setIsMobile] = useState(
+    () => /iPhone|iPad|iPod|Android/i.test(navigator.userAgent) || window.innerWidth < 768
+  );
+
+  useEffect(() => {
+    const onResize = () => setIsMobile(
+      /iPhone|iPad|iPod|Android/i.test(navigator.userAgent) || window.innerWidth < 768
+    );
+    window.addEventListener('resize', onResize);
+    return () => window.removeEventListener('resize', onResize);
+  }, []);
 
   return (
     <Router>
diff --git a/frontend/src/components/CaseForm/CaseForm.jsx b/frontend/src/components/CaseForm/CaseForm.jsx
index 848f206..59804b3 100644
--- a/frontend/src/components/CaseForm/CaseForm.jsx
+++ b/frontend/src/components/CaseForm/CaseForm.jsx
@@ -116,7 +116,6 @@ const CaseForm = ({ isMobile = false }) => {
       }
       
       const result = await response.json();
-      console.log("Case created:", result);
       
       // Перенаправляем на страницу анализа с ID карточки
       window.location.href = `/analysis/${result.id}`;
diff --git a/frontend/src/components/CaseForm/Step4Environment.jsx b/frontend/src/components/CaseForm/Step4Environment.jsx
index aebb25b..cc96fcc 100644
--- a/frontend/src/components/CaseForm/Step4Environment.jsx
+++ b/frontend/src/components/CaseForm/Step4Environment.jsx
@@ -27,23 +27,23 @@ const Step4Environment = ({ data, updateData }) => {
 
   const handleGetLocation = () => {
     if (!navigator.geolocation) {
-      alert("Геолокация не поддерживается вашим браузером");
+      updateData({ gps_error: 'Геолокация не поддерживается вашим браузером' });
       return;
     }
 
-    updateData({ gps_loading: true });
+    updateData({ gps_loading: true, gps_error: null });
 
     navigator.geolocation.getCurrentPosition(
       (position) => {
         updateData({
           tnp_lat: position.coords.latitude.toFixed(6),
           tnp_lon: position.coords.longitude.toFixed(6),
-          gps_loading: false
+          gps_loading: false,
+          gps_error: null
         });
       },
       (error) => {
-        alert("Ошибка получения координат: " + error.message);
-        updateData({ gps_loading: false });
+        updateData({ gps_error: 'Ошибка получения координат: ' + error.message, gps_loading: false });
       },
       {
         enableHighAccuracy: true,
@@ -55,7 +55,7 @@ const Step4Environment = ({ data, updateData }) => {
 
   return (
     <div className="form-step">
-      <h2>Шаг 5: Среда и местность</h2>
+      <h2>Среда и местность</h2>
       
       {/* Сезон определяется автоматически, показываем только для информации */}
       {data.season && (
diff --git a/frontend/src/components/SearchMap.jsx b/frontend/src/components/SearchMap.jsx
index 69e1e49..bb7a6c3 100644
--- a/frontend/src/components/SearchMap.jsx
+++ b/frontend/src/components/SearchMap.jsx
@@ -6,9 +6,9 @@ import L from 'leaflet';
 // Fix default marker icon issue with webpack
 delete L.Icon.Default.prototype._getIconUrl;
 L.Icon.Default.mergeOptions({
-  iconRetinaUrl: 'https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.7.1/images/marker-icon-2x.png',
-  iconUrl: 'https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.7.1/images/marker-icon.png',
-  shadowUrl: 'https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.7.1/images/marker-shadow.png',
+  iconRetinaUrl: 'https://unpkg.com/leaflet@1.9.4/dist/images/marker-icon-2x.png',
+  iconUrl: 'https://unpkg.com/leaflet@1.9.4/dist/images/marker-icon.png',
+  shadowUrl: 'https://unpkg.com/leaflet@1.9.4/dist/images/marker-shadow.png',
 });
 
 const SearchMap = ({ tnpLat, tnpLon, maxDistance, zones }) => {
@@ -183,8 +183,8 @@ const SearchMap = ({ tnpLat, tnpLon, maxDistance, zones }) => {
       <Marker 
         position={tnpPosition}
         icon={L.icon({
-          iconUrl: 'https://raw.githubusercontent.com/pointhi/leaflet-color-markers/master/img/marker-icon-2x-red.png',
-          shadowUrl: 'https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.7.1/images/marker-shadow.png',
+          iconUrl: 'https://unpkg.com/leaflet@1.9.4/dist/images/marker-icon-2x.png',
+          shadowUrl: 'https://unpkg.com/leaflet@1.9.4/dist/images/marker-shadow.png',
           iconSize: [25, 41],
           iconAnchor: [12, 41],
           popupAnchor: [1, -34],
diff --git a/frontend/src/pages/AdminDashboard.jsx b/frontend/src/pages/AdminDashboard.jsx
index 0f398e8..575df84 100644
--- a/frontend/src/pages/AdminDashboard.jsx
+++ b/frontend/src/pages/AdminDashboard.jsx
@@ -110,6 +110,7 @@ function AdminDashboard() {
       } catch (err) {
         if (err.name !== 'AbortError') {
           setDashboard(null);
+          setError(err.message || 'Ошибка загрузки дашборда');
         }
       } finally {
         setDashboardLoading(false);
diff --git a/frontend/src/pages/analysis/AnalysisResult.jsx b/frontend/src/pages/analysis/AnalysisResult.jsx
index d1c7855..17ca8e4 100644
--- a/frontend/src/pages/analysis/AnalysisResult.jsx
+++ b/frontend/src/pages/analysis/AnalysisResult.jsx
@@ -41,7 +41,10 @@ const AnalysisResult = () => {
 
   const getTimeOfDay = (lostTime) => {
     if (!lostTime) return 'день';
-    const hour = parseInt(lostTime.split(':')[0]);
+    // Значение может прийти как "YYYY-MM-DDTHH:MM" (input type="datetime-local")
+    // или как "HH:MM" — берём часы из обоих форматов.
+    const timePart = lostTime.includes('T') ? lostTime.split('T')[1] : lostTime;
+    const hour = parseInt(timePart.split(':')[0]);
     if (hour >= 6 && hour < 18) return 'день';
     if (hour >= 18 && hour < 22) return 'сумерки';
     return 'ночь';