feat: Enhance BillingManager with advanced filtering, sorting, and bulk actions for payment management. Added UI components for search, date filtering, and improved user experience with confirmation for future payment dates.

frontend/src/BillingManager.jsx

@@ -26,8 +26,13 @@ import {
   IconUpload,
   IconEye,
   IconEyeOff,
-  IconHistory
+  IconHistory,
+  IconChevronUp,
+  IconChevronDown,
+  IconX,
+  IconChecks
 } from '@tabler/icons-react';
+import BulkActionsBar from './components/BulkActionsBar.jsx';
 
 function BillingManager() {
   const [billingData, setBillingData] = useState([]);
@@ -63,6 +68,21 @@ function BillingManager() {
   const [editingPayment, setEditingPayment] = useState(null); // { serverId, index }
   const [showDeletePaymentModal, setShowDeletePaymentModal] = useState(false);
   const [paymentToDelete, setPaymentToDelete] = useState(null); // { serverId, index, data }
+  const [futureDateConfirm, setFutureDateConfirm] = useState(false); // Подтверждение будущей даты
+
+  // Состояния для истории платежей: поиск, сортировка, фильтры
+  const [paymentSearchTerm, setPaymentSearchTerm] = useState('');
+  const [paymentSortField, setPaymentSortField] = useState('date');
+  const [paymentSortOrder, setPaymentSortOrder] = useState('desc');
+  const [paymentFilterServer, setPaymentFilterServer] = useState('');
+  const [paymentFilterDateFrom, setPaymentFilterDateFrom] = useState('');
+  const [paymentFilterDateTo, setPaymentFilterDateTo] = useState('');
+  const [paymentFilterAmountFrom, setPaymentFilterAmountFrom] = useState('');
+  const [paymentFilterAmountTo, setPaymentFilterAmountTo] = useState('');
+  const [showPaymentFilters, setShowPaymentFilters] = useState(false);
+  const [selectedPayments, setSelectedPayments] = useState(new Set());
+  const [paymentPage, setPaymentPage] = useState(1);
+  const paymentPageSize = 20;
 
   // Состояние для курсов валют
   const [exchangeRates, setExchangeRates] = useState({
@@ -868,23 +888,272 @@ function BillingManager() {
             История платежей
           </h3>
           <div className="card-actions">
-            <button 
-              className="btn btn-outline-primary"
-                onClick={() => { setPaymentDraft({ serverId: '', date: '', amount: 0, currency: 'USD', note: '' }); setShowPaymentModal(true); }}
+            <div className="btn-list">
+              <button 
+                className="btn btn-outline-secondary"
+                onClick={() => setShowPaymentFilters(!showPaymentFilters)}
               >
-              <IconPlus size={16} />
-              Добавить платеж
-            </button>
+                <IconFilter size={16} className="me-1" />
+                Фильтры
+              </button>
+              <button 
+                className="btn btn-primary"
+                onClick={() => { 
+                  setPaymentDraft({ serverId: '', date: '', amount: 0, currency: 'USD', note: '' }); 
+                  setShowPaymentModal(true); 
+                }}
+              >
+                <IconPlus size={16} className="me-1" />
+                Добавить платеж
+              </button>
+            </div>
           </div>
         </div>
         <div className="card-body">
+          {/* Поиск и фильтры */}
+          <div className="mb-3">
+            <div className="input-icon flex-grow-1" style={{ minWidth: '200px', position: 'relative' }}>
+              <span className="input-icon-addon">
+                <IconSearch size={18} />
+              </span>
+              <input
+                type="text"
+                className="form-control"
+                placeholder="Поиск по серверу, дате, сумме, комментарию..."
+                value={paymentSearchTerm}
+                onChange={(e) => { setPaymentSearchTerm(e.target.value); setPaymentPage(1); }}
+                aria-label="Поиск платежей"
+                style={{ paddingRight: paymentSearchTerm ? '2.5rem' : undefined }}
+              />
+              {paymentSearchTerm && (
+                <button
+                  type="button"
+                  className="btn btn-ghost-secondary btn-icon btn-sm"
+                  style={{ 
+                    position: 'absolute', 
+                    right: '0.25rem', 
+                    top: '50%', 
+                    transform: 'translateY(-50%)',
+                    zIndex: 2
+                  }}
+                  onClick={() => { setPaymentSearchTerm(''); setPaymentPage(1); }}
+                  aria-label="Очистить поиск"
+                >
+                  <IconX size={16} />
+                </button>
+              )}
+            </div>
+          </div>
+
+          {/* Панель фильтров */}
+          {showPaymentFilters && (
+            <div className="card mb-3">
+              <div className="card-body">
+                <div className="row g-3">
+                  <div className="col-md-3">
+                    <label className="form-label">Сервер</label>
+                    <select
+                      className="form-select"
+                      value={paymentFilterServer}
+                      onChange={(e) => { setPaymentFilterServer(e.target.value); setPaymentPage(1); }}
+                    >
+                      <option value="">Все серверы</option>
+                      {billingData.map(server => (
+                        <option key={server.id} value={server.id}>
+                          {server.hostName} ({server.provider})
+                        </option>
+                      ))}
+                    </select>
+                  </div>
+                  <div className="col-md-3">
+                    <label className="form-label">Дата от</label>
+                    <input
+                      type="date"
+                      className="form-control"
+                      value={paymentFilterDateFrom}
+                      onChange={(e) => { setPaymentFilterDateFrom(e.target.value); setPaymentPage(1); }}
+                    />
+                  </div>
+                  <div className="col-md-3">
+                    <label className="form-label">Дата до</label>
+                    <input
+                      type="date"
+                      className="form-control"
+                      value={paymentFilterDateTo}
+                      onChange={(e) => { setPaymentFilterDateTo(e.target.value); setPaymentPage(1); }}
+                    />
+                  </div>
+                  <div className="col-md-3">
+                    <label className="form-label">Сумма от</label>
+                    <input
+                      type="number"
+                      className="form-control"
+                      placeholder="0"
+                      step="0.01"
+                      value={paymentFilterAmountFrom}
+                      onChange={(e) => { setPaymentFilterAmountFrom(e.target.value); setPaymentPage(1); }}
+                    />
+                  </div>
+                  <div className="col-md-3">
+                    <label className="form-label">Сумма до</label>
+                    <input
+                      type="number"
+                      className="form-control"
+                      placeholder="0"
+                      step="0.01"
+                      value={paymentFilterAmountTo}
+                      onChange={(e) => { setPaymentFilterAmountTo(e.target.value); setPaymentPage(1); }}
+                    />
+                  </div>
+                  <div className="col-md-3 d-flex align-items-end">
+                    <button
+                      className="btn btn-ghost-secondary"
+                      onClick={() => {
+                        setPaymentFilterServer('');
+                        setPaymentFilterDateFrom('');
+                        setPaymentFilterDateTo('');
+                        setPaymentFilterAmountFrom('');
+                        setPaymentFilterAmountTo('');
+                        setPaymentPage(1);
+                      }}
+                    >
+                      <IconX size={16} className="me-1" />
+                      Сбросить
+                    </button>
+                  </div>
+                </div>
+              </div>
+            </div>
+          )}
+
+          {/* Bulk Actions Bar */}
+          <BulkActionsBar
+            selectedCount={selectedPayments.size}
+            totalCount={(() => {
+              const allRows = billingData.flatMap(server => 
+                (server.payments || []).map((p, idx) => ({ server, ...p, _key: `${server.id}-${idx}`, _index: idx }))
+              );
+              return allRows.length;
+            })()}
+            onSelectAll={() => {
+              const allRows = billingData.flatMap(server => 
+                (server.payments || []).map((p, idx) => ({ server, ...p, _key: `${server.id}-${idx}`, _index: idx }))
+              );
+              setSelectedPayments(new Set(allRows.map(r => r._key)));
+            }}
+            onDeselectAll={() => setSelectedPayments(new Set())}
+            onDelete={() => {
+              if (selectedPayments.size === 0) return;
+              const keys = Array.from(selectedPayments);
+              setBillingData(prev => prev.map(server => {
+                const payments = Array.isArray(server.payments) ? [...server.payments] : [];
+                const filtered = payments.filter((p, idx) => {
+                  const key = `${server.id}-${idx}`;
+                  return !keys.includes(key);
+                });
+                const last = filtered
+                  .slice()
+                  .sort((a,b) => new Date(b.date) - new Date(a.date))[0];
+                return {
+                  ...server,
+                  payments: filtered,
+                  lastPaymentDate: last?.date || '',
+                  lastPaymentAmount: last?.amount || 0,
+                  lastPaymentCurrency: last?.currency || server.monthlyCostCurrency || 'USD'
+                };
+              }));
+              setSelectedPayments(new Set());
+              setSuccess(`Удалено платежей: ${selectedPayments.size}`);
+              setTimeout(() => setSuccess(''), 3000);
+            }}
+            onEdit={() => {
+              // Массовое редактирование - можно добавить позже
+              setError('Массовое редактирование пока не реализовано');
+              setTimeout(() => setError(''), 3000);
+            }}
+          />
+
+          {/* Таблица платежей */}
           <div className="table-responsive">
             <table className="table card-table table-vcenter table-nowrap mb-0">
               <thead>
                 <tr>
-                  <th>Имя хостера</th>
-                  <th>Дата</th>
-                  <th>Сумма</th>
+                  <th style={{ width: '40px' }}>
+                    <input
+                      type="checkbox"
+                      className="form-check-input"
+                      checked={selectedPayments.size > 0 && (() => {
+                        const allRows = billingData.flatMap(server => 
+                          (server.payments || []).map((p, idx) => ({ server, ...p, _key: `${server.id}-${idx}`, _index: idx }))
+                        );
+                        return selectedPayments.size === allRows.length;
+                      })()}
+                      onChange={(e) => {
+                        if (e.target.checked) {
+                          const allRows = billingData.flatMap(server => 
+                            (server.payments || []).map((p, idx) => ({ server, ...p, _key: `${server.id}-${idx}`, _index: idx }))
+                          );
+                          setSelectedPayments(new Set(allRows.map(r => r._key)));
+                        } else {
+                          setSelectedPayments(new Set());
+                        }
+                      }}
+                    />
+                  </th>
+                  <th 
+                    style={{ cursor: 'pointer' }}
+                    onClick={() => {
+                      if (paymentSortField === 'hostName') {
+                        setPaymentSortOrder(paymentSortOrder === 'asc' ? 'desc' : 'asc');
+                      } else {
+                        setPaymentSortField('hostName');
+                        setPaymentSortOrder('asc');
+                      }
+                    }}
+                  >
+                    <div className="d-flex align-items-center gap-2">
+                      Имя хостера
+                      {paymentSortField === 'hostName' && (
+                        paymentSortOrder === 'asc' ? <IconChevronUp size={16} /> : <IconChevronDown size={16} />
+                      )}
+                    </div>
+                  </th>
+                  <th 
+                    style={{ cursor: 'pointer' }}
+                    onClick={() => {
+                      if (paymentSortField === 'date') {
+                        setPaymentSortOrder(paymentSortOrder === 'asc' ? 'desc' : 'asc');
+                      } else {
+                        setPaymentSortField('date');
+                        setPaymentSortOrder('desc');
+                      }
+                    }}
+                  >
+                    <div className="d-flex align-items-center gap-2">
+                      Дата
+                      {paymentSortField === 'date' && (
+                        paymentSortOrder === 'asc' ? <IconChevronUp size={16} /> : <IconChevronDown size={16} />
+                      )}
+                    </div>
+                  </th>
+                  <th 
+                    style={{ cursor: 'pointer' }}
+                    onClick={() => {
+                      if (paymentSortField === 'amount') {
+                        setPaymentSortOrder(paymentSortOrder === 'asc' ? 'desc' : 'asc');
+                      } else {
+                        setPaymentSortField('amount');
+                        setPaymentSortOrder('desc');
+                      }
+                    }}
+                  >
+                    <div className="d-flex align-items-center gap-2">
+                      Сумма
+                      {paymentSortField === 'amount' && (
+                        paymentSortOrder === 'asc' ? <IconChevronUp size={16} /> : <IconChevronDown size={16} />
+                      )}
+                    </div>
+                  </th>
                   <th>Валюта</th>
                   <th>Комментарий</th>
                   <th>Действия</th>
@@ -892,106 +1161,203 @@ function BillingManager() {
               </thead>
               <tbody>
                 {(() => {
-                  const rows = billingData.flatMap(server => (server.payments || []).map((p, idx) => ({ server, ...p, _key: `${server.id}-${idx}`, _index: idx }))).sort((a,b) => new Date(b.date) - new Date(a.date));
-                  if (rows.length === 0) {
-                    return null;
+                  // Получаем все платежи
+                  let allRows = billingData.flatMap(server => 
+                    (server.payments || []).map((p, idx) => ({ 
+                      server, 
+                      ...p, 
+                      _key: `${server.id}-${idx}`, 
+                      _index: idx 
+                    }))
+                  );
+
+                  // Поиск
+                  if (paymentSearchTerm) {
+                    const term = paymentSearchTerm.toLowerCase();
+                    allRows = allRows.filter(r => 
+                      r.server.hostName?.toLowerCase().includes(term) ||
+                      r.server.provider?.toLowerCase().includes(term) ||
+                      formatDate(r.date).toLowerCase().includes(term) ||
+                      String(r.amount).includes(term) ||
+                      r.currency?.toLowerCase().includes(term) ||
+                      r.note?.toLowerCase().includes(term)
+                    );
                   }
-                  return rows.slice(0, 20).map(r => (
-                    <tr key={r._key}>
-                      <td>
-                        <div className="fw-bold">{r.server.hostName}</div>
-                        <div className="text-muted small d-flex align-items-center gap-2">
-                          {r.server.loginUrl && (
-                            <img
-                              src={getFaviconUrl(r.server.loginUrl)}
-                              alt=""
-                              width="14"
-                              height="14"
-                              style={{ borderRadius: 3 }}
-                              onError={(e) => { e.currentTarget.style.display = 'none'; }}
+
+                  // Фильтр по серверу
+                  if (paymentFilterServer) {
+                    allRows = allRows.filter(r => r.server.id === paymentFilterServer);
+                  }
+
+                  // Фильтр по дате
+                  if (paymentFilterDateFrom) {
+                    allRows = allRows.filter(r => new Date(r.date) >= new Date(paymentFilterDateFrom));
+                  }
+                  if (paymentFilterDateTo) {
+                    allRows = allRows.filter(r => new Date(r.date) <= new Date(paymentFilterDateTo));
+                  }
+
+                  // Фильтр по сумме
+                  if (paymentFilterAmountFrom) {
+                    const from = parseFloat(paymentFilterAmountFrom);
+                    allRows = allRows.filter(r => r.amount >= from);
+                  }
+                  if (paymentFilterAmountTo) {
+                    const to = parseFloat(paymentFilterAmountTo);
+                    allRows = allRows.filter(r => r.amount <= to);
+                  }
+
+                  // Сортировка
+                  allRows.sort((a, b) => {
+                    let valA, valB;
+                    if (paymentSortField === 'date') {
+                      valA = new Date(a.date);
+                      valB = new Date(b.date);
+                    } else if (paymentSortField === 'amount') {
+                      valA = a.amount || 0;
+                      valB = b.amount || 0;
+                    } else if (paymentSortField === 'hostName') {
+                      valA = (a.server.hostName || '').toLowerCase();
+                      valB = (b.server.hostName || '').toLowerCase();
+                    } else {
+                      valA = a[paymentSortField] || '';
+                      valB = b[paymentSortField] || '';
+                    }
+                    
+                    if (valA < valB) return paymentSortOrder === 'asc' ? -1 : 1;
+                    if (valA > valB) return paymentSortOrder === 'asc' ? 1 : -1;
+                    return 0;
+                  });
+
+                  // Пагинация
+                  const totalPaymentPages = Math.max(1, Math.ceil(allRows.length / paymentPageSize));
+                  const paginatedRows = allRows.slice(
+                    (paymentPage - 1) * paymentPageSize,
+                    paymentPage * paymentPageSize
+                  );
+
+                  if (paginatedRows.length === 0) {
+                    return (
+                      <tr>
+                        <td colSpan="7" className="text-center text-muted py-4">
+                          <div className="py-3">
+                            <IconHistory size={48} className="text-muted mb-3" />
+                            <div>Платежи не найдены</div>
+                            {allRows.length === 0 && billingData.every(i => !i.payments || i.payments.length === 0) && (
+                              <>
+                                <div className="small text-muted mt-2">
+                                  Добавьте первый платеж, чтобы начать отслеживание
+                                </div>
+                                <button 
+                                  className="btn btn-primary btn-sm mt-3"
+                                  onClick={() => { 
+                                    setPaymentDraft({ serverId: '', date: '', amount: 0, currency: 'USD', note: '' }); 
+                                    setShowPaymentModal(true); 
+                                  }}
+                                >
+                                  <IconPlus size={16} className="me-1" />
+                                  Добавить первый платеж
+                                </button>
+                              </>
+                            )}
+                          </div>
+                        </td>
+                      </tr>
+                    );
+                  }
+
+                  return (
+                    <>
+                      {paginatedRows.map(r => (
+                        <tr key={r._key}>
+                          <td>
+                            <input
+                              type="checkbox"
+                              className="form-check-input"
+                              checked={selectedPayments.has(r._key)}
+                              onChange={(e) => {
+                                const newSet = new Set(selectedPayments);
+                                if (e.target.checked) {
+                                  newSet.add(r._key);
+                                } else {
+                                  newSet.delete(r._key);
+                                }
+                                setSelectedPayments(newSet);
+                              }}
                             />
-                          )}
-                          <span>{r.server.provider}</span>
-                        </div>
-                      </td>
-                      <td>{formatDate(r.date)}</td>
-                      <td>
-                        <div className="fw-bold">{formatCurrency(r.amount, r.currency)}</div>
-                        <div className="text-muted small">{formatCurrencyInRUB(r.amount, r.currency)}</div>
-                      </td>
-                      <td><span className="badge bg-blue-lt text-blue">{r.currency || 'USD'}</span></td>
-                      <td className="text-muted small">{r.note || ''}</td>
-                      <td>
-                        <div className="btn-list">
-                          <button
-                            className="btn btn-outline-primary btn-icon"
-                            title="Редактировать платеж"
-                            onClick={() => {
-                              setPaymentDraft({
-                                serverId: r.server.id,
-                                date: r.date,
-                                amount: r.amount,
-                                currency: r.currency || 'USD',
-                                note: r.note || ''
-                              });
-                              setEditingPayment({ serverId: r.server.id, index: r._index });
-                              setShowPaymentModal(true);
-                            }}
-                          >
-                            <IconEdit size={18} />
-                          </button>
-                          <button
-                            className="btn btn-outline-danger btn-icon"
-                            title="Удалить платеж"
-                            onClick={() => {
-                              setPaymentToDelete({ serverId: r.server.id, index: r._index, data: r });
-                              setShowDeletePaymentModal(true);
-                            }}
-                          >
-                            <IconTrash size={18} />
-                          </button>
-                        </div>
-                      </td>
-                    </tr>
-                  ));
+                          </td>
+                          <td>
+                            <div className="fw-bold">{r.server.hostName}</div>
+                            <div className="text-muted small d-flex align-items-center gap-2">
+                              {r.server.loginUrl && (
+                                <img
+                                  src={getFaviconUrl(r.server.loginUrl)}
+                                  alt=""
+                                  width="14"
+                                  height="14"
+                                  style={{ borderRadius: 3 }}
+                                  onError={(e) => { e.currentTarget.style.display = 'none'; }}
+                                />
+                              )}
+                              <span>{r.server.provider}</span>
+                            </div>
+                          </td>
+                          <td>{formatDate(r.date)}</td>
+                          <td>
+                            <div className="fw-bold">{formatCurrency(r.amount, r.currency)}</div>
+                            <div className="text-muted small">{formatCurrencyInRUB(r.amount, r.currency)}</div>
+                          </td>
+                          <td><span className="badge bg-blue-lt text-blue">{r.currency || 'USD'}</span></td>
+                          <td className="text-muted small">{r.note || ''}</td>
+                          <td>
+                            <div className="btn-list">
+                              <button
+                                className="btn btn-outline-primary btn-icon"
+                                title="Редактировать платеж"
+                                onClick={() => {
+                                  setPaymentDraft({
+                                    serverId: r.server.id,
+                                    date: r.date,
+                                    amount: r.amount,
+                                    currency: r.currency || 'USD',
+                                    note: r.note || ''
+                                  });
+                                  setEditingPayment({ serverId: r.server.id, index: r._index });
+                                  setShowPaymentModal(true);
+                                }}
+                              >
+                                <IconEdit size={18} />
+                              </button>
+                              <button
+                                className="btn btn-outline-danger btn-icon"
+                                title="Удалить платеж"
+                                onClick={() => {
+                                  setPaymentToDelete({ serverId: r.server.id, index: r._index, data: r });
+                                  setShowDeletePaymentModal(true);
+                                }}
+                              >
+                                <IconTrash size={18} />
+                              </button>
+                            </div>
+                          </td>
+                        </tr>
+                      ))}
+                      {totalPaymentPages > 1 && (
+                        <tr>
+                          <td colSpan="7" className="p-0">
+                            <Pagination
+                              currentPage={paymentPage}
+                              totalPages={totalPaymentPages}
+                              totalItems={allRows.length}
+                              pageSize={paymentPageSize}
+                              onPageChange={setPaymentPage}
+                            />
+                          </td>
+                        </tr>
+                      )}
+                    </>
+                  );
                 })()}
-                {billingData.every(i => !i.payments || i.payments.length === 0) && (
-                  <tr>
-                    <td colSpan="6" className="text-center text-muted py-4">
-                      <div className="py-3">
-                        <IconHistory size={48} className="text-muted mb-3" />
-                        <div>История платежей пуста</div>
-                        <div className="small text-muted mt-2">
-                          Добавьте первый платеж, чтобы начать отслеживание
-                        </div>
-                        <button 
-                          className="btn btn-primary btn-sm mt-3"
-                          onClick={() => {
-                            setNewItem({
-                              hostName: '',
-                              purpose: '',
-                              country: '',
-                              provider: '',
-                              loginUrl: '',
-                              monthlyCost: 0,
-                              monthlyCostCurrency: 'USD',
-                              nextPaymentDate: '',
-                              lastPaymentDate: '',
-                              lastPaymentAmount: 0,
-                              lastPaymentCurrency: 'USD',
-                              status: 'active',
-                              notes: ''
-                            });
-                            setShowAddModal(true);
-                          }}
-                        >
-                          <IconPlus size={16} />
-                          Добавить первый платеж
-                        </button>
-                      </div>
-                    </td>
-                  </tr>
-                )}
               </tbody>
             </table>
           </div>
@@ -1060,6 +1426,21 @@ function BillingManager() {
             setTimeout(() => setError(''), 3000);
             return;
           }
+          
+          // Валидация даты (нельзя добавить платеж в будущем без подтверждения)
+          const selectedDate = new Date(paymentDraft.date);
+          const today = new Date();
+          today.setHours(0, 0, 0, 0);
+          selectedDate.setHours(0, 0, 0, 0);
+          
+          if (selectedDate > today && !futureDateConfirm) {
+            if (!window.confirm('Внимание: Выбранная дата в будущем. Вы уверены, что хотите добавить платеж с будущей датой?')) {
+              return;
+            }
+            setFutureDateConfirm(true);
+            // Продолжаем выполнение после подтверждения
+          }
+          
           // Режим редактирования платежа
           if (editingPayment && editingPayment.serverId) {
             setBillingData(prev => prev.map(s => {
@@ -1102,12 +1483,14 @@ function BillingManager() {
             return { ...s, payments, lastPaymentDate: last?.date || '', lastPaymentAmount: last?.amount || 0, lastPaymentCurrency: last?.currency || s.monthlyCostCurrency || 'USD' };
           }));
           setShowPaymentModal(false);
+          setFutureDateConfirm(false);
           setSuccess('Платеж добавлен');
           setTimeout(() => setSuccess(''), 3000);
         }}
         onClose={() => {
           setShowPaymentModal(false);
           setEditingPayment(null);
+          setFutureDateConfirm(false);
         }}
         submitLabel={editingPayment ? "Сохранить" : "Добавить"}
         submitIcon={editingPayment ? IconCheck : IconPlus}
@@ -1116,6 +1499,11 @@ function BillingManager() {
           servers={billingData}
           payment={paymentDraft}
           onChange={setPaymentDraft}
+          onDateChange={(date, requiresConfirm) => {
+            if (requiresConfirm) {
+              setFutureDateConfirm(false);
+            }
+          }}
         />
       </FormModal>
 
@@ -1417,7 +1805,7 @@ function EditBillingForm({ item, onItemChange }) {
 }
 
 // Форма добавления платежа
-function AddPaymentForm({ servers, payment, onChange }) {
+function AddPaymentForm({ servers, payment, onChange, onDateChange }) {
   const serverOptions = [
     { value: '', label: 'Выберите сервер' },
     ...servers.map(s => ({ value: s.id, label: `${s.hostName} (${s.provider})` }))
@@ -1429,6 +1817,49 @@ function AddPaymentForm({ servers, payment, onChange }) {
     { value: 'RUB', label: 'RUB' }
   ];
 
+  // Автозаполнение при выборе сервера
+  const handleServerChange = (serverId) => {
+    const server = servers.find(s => s.id === serverId);
+    if (server) {
+      // Используем последний платеж или месячную стоимость
+      const lastAmount = server.lastPaymentAmount || server.monthlyCost || 0;
+      const lastCurrency = server.lastPaymentCurrency || server.monthlyCostCurrency || 'USD';
+      
+      onChange({
+        ...payment,
+        serverId,
+        amount: lastAmount,
+        currency: lastCurrency
+      });
+    } else {
+      onChange({ ...payment, serverId });
+    }
+  };
+
+  // Валидация даты (нельзя добавить платеж в будущем без подтверждения)
+  const handleDateChange = (date) => {
+    if (date) {
+      const selectedDate = new Date(date);
+      const today = new Date();
+      today.setHours(0, 0, 0, 0);
+      selectedDate.setHours(0, 0, 0, 0);
+      
+      if (selectedDate > today) {
+        if (onDateChange) {
+          onDateChange(date, true); // true = требуется подтверждение
+        } else {
+          // Если нет обработчика, просто предупреждаем
+          alert('Внимание: Выбранная дата в будущем. Пожалуйста, подтвердите корректность даты.');
+        }
+      } else {
+        if (onDateChange) {
+          onDateChange(date, false);
+        }
+      }
+    }
+    onChange({ ...payment, date });
+  };
+
   return (
     <>
       <FormField
@@ -1436,17 +1867,19 @@ function AddPaymentForm({ servers, payment, onChange }) {
         name="serverId"
         type="select"
         value={payment.serverId}
-        onChange={(value) => onChange({ ...payment, serverId: value })}
+        onChange={handleServerChange}
         options={serverOptions}
         required
+        helpText={payment.serverId ? "Сумма и валюта заполнены автоматически из последнего платежа" : ""}
       />
       <FormField
         label="Дата"
         name="date"
         type="date"
         value={payment.date}
-        onChange={(value) => onChange({ ...payment, date: value })}
+        onChange={handleDateChange}
         required
+        helpText="Нельзя добавить платеж в будущем без подтверждения"
       />
       <div className="row g-2">
         <div className="col-8">