diff --git a/js/account.js b/js/account.js
new file mode 100644
index 0000000..0b1da3f
--- /dev/null
+++ b/js/account.js
@@ -0,0 +1,726 @@
+const AccountState = {
+    orders: [],
+    courses: [],
+    tutors: [],
+    currentOrderPage: 1,
+    ordersPerPage: 5,
+    editingOrder: null
+};
+
+document.addEventListener('DOMContentLoaded', () => {
+    initAccount();
+});
+
+// Инициализировать страницу личного кабинета
+async function initAccount() {
+    await loadAccountData();
+    setupAccountEventListeners();
+}
+
+// Загрузить данные аккаунта с сервера
+async function loadAccountData() {
+    try {
+        AccountState.orders = await apiRequest('/orders');
+        AccountState.courses = await apiRequest('/courses');
+        AccountState.tutors = await apiRequest('/tutors');
+        renderOrders();
+        updateOrdersCount();
+    } catch (error) {
+        showNotification('Ошибка загрузки данных: ' +
+                        error.message, 'error');
+    }
+}
+
+// Настроить обработчики событий для страницы
+function setupAccountEventListeners() {
+    const saveOrderChanges = document.getElementById('saveOrderChanges');
+    if (saveOrderChanges) {
+        saveOrderChanges.addEventListener('click', saveOrderEdit);
+    }
+
+    const confirmDelete = document.getElementById('confirmDelete');
+    if (confirmDelete) {
+        confirmDelete.addEventListener('click', confirmOrderDeletion);
+    }
+
+    const editCourseStartDate =
+        document.getElementById('editCourseStartDate');
+    if (editCourseStartDate) {
+        editCourseStartDate.addEventListener('change',
+                                            updateEditCourseTimeSlots);
+    }
+
+    const editCourseStartTime =
+        document.getElementById('editCourseStartTime');
+    if (editCourseStartTime) {
+        editCourseStartTime.addEventListener('change',
+                                            calculateEditCoursePrice);
+    }
+
+    const editStudentsNumber =
+        document.getElementById('editStudentsNumber');
+    if (editStudentsNumber) {
+        editStudentsNumber.addEventListener('input', 
+                                           calculateEditCoursePrice);
+    }
+
+    const editCheckboxes = ['editSupplementary', 'editPersonalized',
+                           'editExcursions', 'editAssessment', 
+                           'editInteractive'];
+    editCheckboxes.forEach(id => {
+        const checkbox = document.getElementById(id);
+        if (checkbox) {
+            checkbox.addEventListener('change', 
+                                     calculateEditCoursePrice);
+        }
+    });
+
+}
+
+function updateOrdersCount() {
+    const countBadge = document.getElementById('ordersCount');
+    if (!countBadge) return;
+
+    const count = AccountState.orders.length;
+    countBadge.textContent = pluralize(count, 'заявка', 
+                                      'заявки', 'заявок');
+}
+
+// Отрисовать таблицу заявок
+function renderOrders() {
+    const emptyState = document.getElementById('emptyState');
+    const ordersTable = document.getElementById('ordersTable');
+    const tbody = document.getElementById('ordersList');
+
+    if (AccountState.orders.length === 0) {
+        emptyState.style.display = 'block';
+        ordersTable.style.display = 'none';
+        return;
+    }
+
+    emptyState.style.display = 'none';
+    ordersTable.style.display = 'block';
+
+    tbody.innerHTML = '';
+
+    const startIdx = (AccountState.currentOrderPage - 1) * 
+                     AccountState.ordersPerPage;
+    const endIdx = startIdx + AccountState.ordersPerPage;
+    const ordersToShow = AccountState.orders.slice(startIdx, endIdx);
+
+    ordersToShow.forEach((order, index) => {
+        const tr = document.createElement('tr');
+        const orderNumber = startIdx + index + 1;
+
+        let orderName = '';
+        if (order.course_id && order.course_id > 0) {
+            const course = AccountState.courses.find(
+                c => c.id === order.course_id
+            );
+            orderName = course ? course.name : 
+                       `Курс #${order.course_id}`;
+        } else if (order.tutor_id && order.tutor_id > 0) {
+            const tutor = AccountState.tutors.find(
+                t => t.id === order.tutor_id
+            );
+            orderName = tutor ? `Репетитор: ${tutor.name}` : 
+                       `Репетитор #${order.tutor_id}`;
+        }
+
+        const orderDate = formatDateTimeWithoutSeconds(
+            order.date_start, 
+            order.time_start
+        );
+
+        tr.innerHTML = `
+            <td>${orderNumber}</td>
+            <td>${orderName}</td>
+            <td>${orderDate}</td>
+            <td>${formatPrice(order.price)}</td>
+            <td>
+                <div class="btn-group btn-group-sm" role="group">
+                    <button class="btn btn-info view-order-btn" 
+                            data-order-id="${order.id}">
+                        <i class="bi bi-eye"></i>
+                    </button>
+                    <button class="btn btn-warning edit-order-btn" 
+                            data-order-id="${order.id}">
+                        <i class="bi bi-pencil"></i>
+                    </button>
+                    <button class="btn btn-danger delete-order-btn" 
+                            data-order-id="${order.id}">
+                        <i class="bi bi-trash"></i>
+                    </button>
+                </div>
+            </td>
+        `;
+
+        tbody.appendChild(tr);
+    });
+
+    document.querySelectorAll('.view-order-btn').forEach(btn => {
+        btn.addEventListener('click', (e) => {
+            const orderId = parseInt(e.currentTarget
+                .getAttribute('data-order-id'));
+            viewOrderDetails(orderId);
+        });
+    });
+
+    document.querySelectorAll('.edit-order-btn').forEach(btn => {
+        btn.addEventListener('click', (e) => {
+            const orderId = parseInt(e.currentTarget
+                .getAttribute('data-order-id'));
+            editOrder(orderId);
+        });
+    });
+
+    document.querySelectorAll('.delete-order-btn').forEach(btn => {
+        btn.addEventListener('click', (e) => {
+            const orderId = parseInt(e.currentTarget
+                .getAttribute('data-order-id'));
+            showDeleteConfirmation(orderId);
+        });
+    });
+
+    renderOrdersPagination();
+}
+
+function renderOrdersPagination() {
+    const container = document.getElementById('ordersPagination');
+    if (!container) return;
+
+    container.innerHTML = '';
+
+    const totalPages = Math.ceil(AccountState.orders.length / 
+                                 AccountState.ordersPerPage);
+
+    if (totalPages <= 1) return;
+
+    const createPageItem = (page, text, disabled = false) => {
+        const li = document.createElement('li');
+        li.className = `page-item ${disabled ? 'disabled' : ''} 
+                        ${page === AccountState.currentOrderPage ? 
+                          'active' : ''}`;
+
+        const a = document.createElement('a');
+        a.className = 'page-link';
+        a.href = '#';
+        a.textContent = text || page;
+
+        if (!disabled) {
+            a.addEventListener('click', (e) => {
+                e.preventDefault();
+                AccountState.currentOrderPage = page;
+                renderOrders();
+            });
+        }
+
+        li.appendChild(a);
+        return li;
+    };
+
+    container.appendChild(
+        createPageItem(AccountState.currentOrderPage - 1, 'Назад', 
+                      AccountState.currentOrderPage === 1)
+    );
+
+    for (let i = 1; i <= totalPages; i++) {
+        container.appendChild(createPageItem(i, i, false));
+    }
+
+    container.appendChild(
+        createPageItem(AccountState.currentOrderPage + 1, 'Вперед', 
+                      AccountState.currentOrderPage === totalPages)
+    );
+}
+
+// Показать детальную информацию о заявке
+function viewOrderDetails(orderId) {
+    const order = AccountState.orders.find(o => o.id === orderId);
+    if (!order) return;
+
+    const modal = new bootstrap.Modal(
+        document.getElementById('orderDetailModal')
+    );
+    const content = document.getElementById('orderDetailContent');
+
+    let orderTitle = '';
+    let teacherInfo = '';
+
+    if (order.course_id && order.course_id > 0) {
+        const course = AccountState.courses.find(
+            c => c.id === order.course_id
+        );
+        if (course) {
+            orderTitle = course.name;
+            teacherInfo = `<p><strong>Преподаватель:</strong> 
+                          ${course.teacher}</p>`;
+        }
+    } else if (order.tutor_id && order.tutor_id > 0) {
+        const tutor = AccountState.tutors.find(
+            t => t.id === order.tutor_id
+        );
+        if (tutor) {
+            orderTitle = `Репетитор: ${tutor.name}`;
+        }
+    }
+
+    const options = [];
+    if (order.early_registration) 
+        options.push('Ранняя регистрация (-10%)');
+    if (order.group_enrollment) 
+        options.push('Групповая скидка (-15%)');
+    if (order.intensive_course) 
+        options.push('Интенсивный курс (+20%)');
+    if (order.supplementary) 
+        options.push('Дополнительные учебные материалы (+2000₽/студ.)');
+    if (order.personalized) 
+        options.push('Индивидуальные занятия (+1500₽/нед.)');
+    if (order.excursions) 
+        options.push('Культурные экскурсии (+25%)');
+    if (order.assessment) 
+        options.push('Оценка уровня владения языком (+300₽)');
+    if (order.interactive) 
+        options.push('Доступ к интерактивной онлайн-платформе (+50%)');
+
+    const optionsBadges = options.map(opt => 
+        `<span class="badge bg-secondary me-1 mb-1">${opt}</span>`
+    ).join('');
+
+    const contactData = ContactDataStorage.get(order.id);
+    let contactInfo = '';
+    
+    if (contactData) {
+        contactInfo = `
+            <hr>
+            <h6>Контактные данные:</h6>
+            <p><strong>Имя:</strong> ${contactData.name}</p>
+            <p><strong>Телефон:</strong> ${contactData.phone}</p>
+            <p><strong>Email:</strong> ${contactData.email}</p>
+            ${contactData.message ? 
+              `<p><strong>Сообщение:</strong> ${contactData.message}</p>` 
+              : ''}
+        `;
+    }
+
+    let detailsHTML = `<h5>${orderTitle}</h5>${teacherInfo}`;
+    let priceLabel = '';
+
+    if (order.course_id && order.course_id > 0) {
+        detailsHTML += `
+            <p><strong>Дата:</strong>
+               ${formatDate(order.date_start)}</p>
+            <p><strong>Время:</strong> ${formatTime(order.time_start)}</p>
+            <p><strong>Продолжительность:</strong>
+               ${order.duration} часов</p>
+            <p><strong>Количество студентов:</strong>
+               ${order.persons}</p>
+            ${options.length > 0 ?
+              `<p><strong>Выбранные опции:</strong><br>${optionsBadges}</p>`
+              : ''}
+        `;
+        priceLabel = `Итоговая стоимость: ${formatPrice(order.price)}`;
+    } else if (order.tutor_id && order.tutor_id > 0) {
+        detailsHTML += `
+            <p class="text-muted">Заявка на индивидуальные занятия с репетитором</p>
+        `;
+        priceLabel = `Стоимость: ${formatPrice(order.price)}/час`;
+    }
+
+    detailsHTML += `
+        ${contactInfo}
+        <hr>
+        <h5>${priceLabel}</h5>
+    `;
+
+    content.innerHTML = detailsHTML;
+
+    modal.show();
+}
+
+// Открыть модальное окно редактирования заявки
+function editOrder(orderId) {
+    const order = AccountState.orders.find(o => o.id === orderId);
+    if (!order) return;
+
+    AccountState.editingOrder = order;
+
+    const modal = new bootstrap.Modal(
+        document.getElementById('editOrderModal')
+    );
+
+    document.getElementById('editOrderId').value = order.id;
+
+    const editCourseFields = 
+        document.getElementById('editCourseFields');
+    const editTutorFields = 
+        document.getElementById('editTutorFields');
+
+    const contactData = ContactDataStorage.get(order.id);
+    if (contactData) {
+        document.getElementById('editStudentName').value = 
+            contactData.name || '';
+        document.getElementById('editStudentPhone').value = 
+            contactData.phone || '';
+        document.getElementById('editStudentEmail').value = 
+            contactData.email || '';
+        document.getElementById('editStudentMessage').value = 
+            contactData.message || '';
+    }
+
+    if (order.course_id && order.course_id > 0) {
+        editCourseFields.style.display = 'block';
+        editTutorFields.style.display = 'none';
+
+        const course = AccountState.courses.find(
+            c => c.id === order.course_id
+        );
+        if (course) {
+            document.getElementById('editCourseId').value = 
+                course.id;
+            document.getElementById('editCourseName').value = 
+                course.name;
+            document.getElementById('editCourseTeacher').value = 
+                course.teacher;
+
+            // Получить уникальные даты
+            const uniqueDates = [...new Set(course.start_dates.map(dt => dt.split('T')[0]))];
+
+            const startDateSelect = document.getElementById('editCourseStartDate');
+            startDateSelect.innerHTML = '';
+
+            uniqueDates.forEach(dateStr => {
+                const option = document.createElement('option');
+                option.value = dateStr;
+                option.textContent = formatDate(dateStr);
+                startDateSelect.appendChild(option);
+            });
+
+            // Установить текущую дату и время заказа
+            startDateSelect.value = order.date_start;
+
+            updateEditCourseTimeSlots();
+
+            // Установить время после обновления списка времён
+            const timeSelect = document.getElementById('editCourseStartTime');
+            if (order.time_start && timeSelect) {
+                timeSelect.value = order.time_start;
+            }
+
+            const durationText = `${course.total_length} недель, 
+                                 ${course.week_length} ч/нед`;
+            document.getElementById('editCourseDuration').value = 
+                durationText;
+
+            document.getElementById('editStudentsNumber').value = 
+                order.persons;
+
+            document.getElementById('editEarlyRegistration').checked = 
+                order.early_registration;
+            document.getElementById('editGroupEnrollment').checked = 
+                order.group_enrollment;
+            document.getElementById('editIntensiveCourse').checked = 
+                order.intensive_course;
+
+            document.getElementById('editSupplementary').checked = 
+                order.supplementary;
+            document.getElementById('editPersonalized').checked = 
+                order.personalized;
+            document.getElementById('editExcursions').checked = 
+                order.excursions;
+            document.getElementById('editAssessment').checked = 
+                order.assessment;
+            document.getElementById('editInteractive').checked = 
+                order.interactive;
+        }
+    } else if (order.tutor_id && order.tutor_id > 0) {
+        editCourseFields.style.display = 'none';
+        editTutorFields.style.display = 'block';
+
+        const tutor = AccountState.tutors.find(
+            t => t.id === order.tutor_id
+        );
+        if (tutor) {
+            document.getElementById('editTutorId').value = tutor.id;
+            document.getElementById('editTutorName').value = tutor.name;
+        }
+    }
+
+    modal.show();
+
+    setTimeout(() => {
+        if (order.course_id && order.course_id > 0) {
+            calculateEditCoursePrice();
+        } else if (order.tutor_id && order.tutor_id > 0) {
+            const tutor = AccountState.tutors.find(
+                t => t.id === order.tutor_id
+            );
+            const price = tutor ? tutor.price_per_hour : order.price;
+            document.getElementById('editTotalPrice').textContent = price;
+        }
+    }, 100);
+}
+
+function updateEditCourseTimeSlots() {
+    const selectedDate =
+        document.getElementById('editCourseStartDate').value;
+    const timeSelect = document.getElementById('editCourseStartTime');
+
+    if (!selectedDate) {
+        timeSelect.disabled = true;
+        timeSelect.innerHTML =
+            '<option value="">Сначала выберите дату</option>';
+        document.getElementById('editCourseEndDate').value = '';
+        return;
+    }
+
+    timeSelect.disabled = false;
+    timeSelect.innerHTML = '';
+
+    const courseId = parseInt(
+        document.getElementById('editCourseId').value
+    );
+    const course = AccountState.courses.find(c => c.id === courseId);
+
+    if (course) {
+        const duration = course.week_length;
+
+        // Фильтруем времена для выбранной даты
+        const timesForDate = course.start_dates
+            .filter(dt => dt.split('T')[0] === selectedDate)
+            .map(dt => dt.split('T')[1].substring(0, 5));
+
+        timesForDate.forEach(timeStr => {
+            const startHour = parseInt(timeStr.split(':')[0]);
+            const startMinute = parseInt(timeStr.split(':')[1]);
+            const endHour = startHour + duration;
+            const endTimeStr = `${String(endHour).padStart(2, '0')}:${String(startMinute).padStart(2, '0')}`;
+
+            const surcharge = getTimeSurcharge(timeStr);
+            let surchargeText = surcharge > 0 ? ` (+${surcharge}₽)` : '';
+
+            const option = document.createElement('option');
+            option.value = timeStr;
+            option.textContent = `${timeStr} - ${endTimeStr}${surchargeText}`;
+            timeSelect.appendChild(option);
+        });
+
+        // Устанавливаем дату окончания курса
+        const endDate = formatEndDate(selectedDate, course.total_length);
+        document.getElementById('editCourseEndDate').value = endDate;
+    }
+
+    calculateEditCoursePrice();
+}
+
+// Рассчитать итоговую цену при редактировании
+function calculateEditCoursePrice() {
+    const courseId = parseInt(
+        document.getElementById('editCourseId').value
+    );
+    const course = AccountState.courses.find(c => c.id === courseId);
+
+    if (!course) return;
+
+    const startDate = 
+        document.getElementById('editCourseStartDate').value;
+    const startTime = 
+        document.getElementById('editCourseStartTime').value;
+    const persons = parseInt(
+        document.getElementById('editStudentsNumber').value
+    ) || 1;
+
+    if (!startDate || !startTime) {
+        document.getElementById('editTotalPrice').textContent = '0';
+        document.getElementById('editCourseEndDate').value = '';
+        return;
+    }
+
+    // Устанавливаем дату окончания курса
+    const endDate = formatEndDate(startDate, course.total_length);
+    document.getElementById('editCourseEndDate').value = endDate;
+
+    const courseFeePerHour = course.course_fee_per_hour;
+    const totalHours = course.total_length * course.week_length;
+    const weekendMultiplier = getWeekendMultiplier(startDate);
+    const timeSurcharge = getTimeSurcharge(startTime);
+
+    let basePrice = (courseFeePerHour * totalHours * 
+                    weekendMultiplier + timeSurcharge) * persons;
+
+    const earlyReg = isEarlyRegistration(startDate);
+    const groupEnroll = persons >= 5;
+    const intensive = course.week_length > 20;
+
+    document.getElementById('editEarlyRegistration').checked = earlyReg;
+    document.getElementById('editGroupEnrollment').checked = 
+        groupEnroll;
+    document.getElementById('editIntensiveCourse').checked = intensive;
+
+    if (earlyReg) basePrice *= 0.9;
+    if (groupEnroll) basePrice *= 0.85;
+    if (intensive) basePrice *= 1.2;
+
+    if (document.getElementById('editSupplementary').checked) {
+        basePrice += 2000 * persons;
+    }
+
+    if (document.getElementById('editPersonalized').checked) {
+        basePrice += 1500 * course.total_length;
+    }
+
+    if (document.getElementById('editExcursions').checked) {
+        basePrice *= 1.25;
+    }
+
+    if (document.getElementById('editAssessment').checked) {
+        basePrice += 300;
+    }
+
+    if (document.getElementById('editInteractive').checked) {
+        basePrice *= 1.5;
+    }
+
+    document.getElementById('editTotalPrice').textContent = 
+        Math.round(basePrice);
+}
+
+// Сохранить изменения заявки на сервер
+async function saveOrderEdit() {
+    const form = document.getElementById('editOrderForm');
+    if (!form.checkValidity()) {
+        form.reportValidity();
+        return;
+    }
+
+    const orderId = parseInt(
+        document.getElementById('editOrderId').value
+    );
+    const order = AccountState.editingOrder;
+
+    const contactData = {
+        name: document.getElementById('editStudentName').value,
+        phone: document.getElementById('editStudentPhone').value,
+        email: document.getElementById('editStudentEmail').value,
+        message: document.getElementById('editStudentMessage').value
+    };
+
+    let orderData = {
+        price: parseInt(
+            document.getElementById('editTotalPrice').textContent
+        )
+    };
+
+    if (order.course_id && order.course_id > 0) {
+        const courseId = parseInt(
+            document.getElementById('editCourseId').value
+        );
+        const course = AccountState.courses.find(
+            c => c.id === courseId
+        );
+
+        const startDate =
+            document.getElementById('editCourseStartDate').value
+            .split('T')[0];
+        const startTime =
+            document.getElementById('editCourseStartTime').value;
+        const persons = parseInt(
+            document.getElementById('editStudentsNumber').value
+        );
+
+        orderData = {
+            ...orderData,
+            course_id: courseId,
+            tutor_id: 0,
+            date_start: startDate,
+            time_start: startTime,
+            duration: course.total_length * course.week_length,
+            persons: persons,
+            early_registration:
+                document.getElementById('editEarlyRegistration').checked,
+            group_enrollment:
+                document.getElementById('editGroupEnrollment').checked,
+            intensive_course:
+                document.getElementById('editIntensiveCourse').checked,
+            supplementary:
+                document.getElementById('editSupplementary').checked,
+            personalized:
+                document.getElementById('editPersonalized').checked,
+            excursions:
+                document.getElementById('editExcursions').checked,
+            assessment:
+                document.getElementById('editAssessment').checked,
+            interactive:
+                document.getElementById('editInteractive').checked
+        };
+    } else if (order.tutor_id && order.tutor_id > 0) {
+        const tutorId = parseInt(
+            document.getElementById('editTutorId').value
+        );
+        const tutor = AccountState.tutors.find(t => t.id === tutorId);
+
+        // Используем текущую дату как плейсхолдер или сохраняем существующую
+        const dateStr = order.date_start || new Date().toISOString().split('T')[0];
+        const timeStr = order.time_start || '10:00';
+
+        orderData = {
+            ...orderData,
+            tutor_id: tutorId,
+            course_id: 0,
+            date_start: dateStr,
+            time_start: timeStr,
+            duration: 1,
+            persons: 1,
+            price: tutor ? tutor.price_per_hour : order.price,
+            early_registration: false,
+            group_enrollment: false,
+            intensive_course: false,
+            supplementary: false,
+            personalized: false,
+            excursions: false,
+            assessment: false,
+            interactive: false
+        };
+    }
+
+    try {
+        await updateOrder(orderId, orderData, contactData);
+        const modal = bootstrap.Modal.getInstance(
+            document.getElementById('editOrderModal')
+        );
+        modal.hide();
+        await loadAccountData();
+    } catch (error) {
+        console.error('Error updating order:', error);
+    }
+}
+
+function showDeleteConfirmation(orderId) {
+    const modal = new bootstrap.Modal(
+        document.getElementById('deleteOrderModal')
+    );
+    document.getElementById('deleteOrderId').value = orderId;
+    modal.show();
+}
+
+// Подтвердить удаление заявки
+async function confirmOrderDeletion() {
+    const orderId = parseInt(
+        document.getElementById('deleteOrderId').value
+    );
+
+    try {
+        await deleteOrder(orderId);
+        const modal = bootstrap.Modal.getInstance(
+            document.getElementById('deleteOrderModal')
+        );
+        modal.hide();
+        await loadAccountData();
+    } catch (error) {
+        console.error('Error deleting order:', error);
+    }
+}
+
+function updateUserInfo() {
+    updateOrdersCount();
+}
\ No newline at end of file