.trade-list {
  background: white;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

@media (min-width: 768px) {
  .trade-list {
    padding: 2rem;
  }
}

.trade-list h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .trade-list h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
  }
}

.filter-panel {
  background: #f8f9fa;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .filter-panel {
    padding: 1.5rem;
    margin-bottom: 2rem;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-end;
  }
}

.filter-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-section label {
  font-size: 0.9rem;
  font-weight: 500;
  color: #555;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.period-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

@media (min-width: 768px) {
  .period-buttons {
    display: flex;
    flex-wrap: wrap;
  }
}

.period-buttons button {
  padding: 0.75rem 1rem;
  border: 1px solid #ddd;
  background: white;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s;
  touch-action: manipulation;
  min-height: 44px;
}

@media (min-width: 768px) {
  .period-buttons button {
    padding: 0.5rem 1rem;
    min-height: auto;
  }
}

.period-buttons button:hover {
  background: #e9ecef;
  border-color: #2196F3;
}

.period-buttons button.active {
  background: #2196F3;
  color: white;
  border-color: #2196F3;
}

.date-inputs {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (min-width: 768px) {
  .date-inputs {
    flex-direction: row;
    align-items: center;
  }
}

.date-inputs input[type="date"] {
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.9rem;
  width: 100%;
}

@media (min-width: 768px) {
  .date-inputs input[type="date"] {
    padding: 0.5rem;
    width: auto;
  }
}

.date-inputs span {
  color: #666;
  font-size: 0.9rem;
}

.filter-section input[type="text"],
.filter-section select {
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.9rem;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}

@media (min-width: 768px) {
  .filter-section input[type="text"],
  .filter-section select {
    padding: 0.5rem;
    width: auto;
  }
}

.filter-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  width: 100%;
}

@media (min-width: 768px) {
  .filter-actions {
    display: flex;
    margin-left: auto;
    width: auto;
  }
}

.btn-primary,
.btn-secondary {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s;
  touch-action: manipulation;
  min-height: 44px;
}

@media (min-width: 768px) {
  .btn-primary,
  .btn-secondary {
    padding: 0.5rem 1.5rem;
    min-height: auto;
  }
}

.btn-primary {
  background: #2196F3;
  color: white;
}

.btn-primary:hover {
  background: #1976D2;
}

.btn-secondary {
  background: #6c757d;
  color: white;
}

.btn-secondary:hover {
  background: #5a6268;
}

.btn-export {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s;
  touch-action: manipulation;
  min-height: 44px;
  background: #28a745;
  color: white;
}

@media (min-width: 768px) {
  .btn-export {
    padding: 0.5rem 1.5rem;
    min-height: auto;
  }
}

.btn-export:hover {
  background: #218838;
}

.no-data {
  text-align: center;
  padding: 3rem;
  color: #999;
  font-size: 1.1rem;
}

.stats-summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .stats-summary {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
  }
}

.stat-card {
  background: #f8f9fa;
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
}

.stat-label {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: bold;
  color: #2c3e50;
}

.stat-value.positive {
  color: #27ae60;
}

.stat-value.negative {
  color: #e74c3c;
}

.table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin-top: 1rem;
  -webkit-overflow-scrolling: touch;
}

.table-wrapper::-webkit-scrollbar {
  height: 8px;
}

.table-wrapper::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

.table-wrapper::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

.table-wrapper::-webkit-scrollbar-thumb:hover {
  background: #555;
}

.trades-table {
  width: 100%;
  border-collapse: collapse;
  display: none;
  min-width: 1200px; /* 确保表格有最小宽度，避免列被压缩 */
}

@media (min-width: 768px) {
  .trades-table {
    display: table;
  }
}

.trades-table th {
  background-color: #34495e;
  color: white;
  padding: 0.75rem 0.5rem;
  text-align: left;
  font-weight: 500;
  font-size: 0.85rem;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

.trades-table td {
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid #eee;
  font-size: 0.85rem;
  white-space: nowrap;
}

/* 优化特定列的宽度 */
.trades-table th:nth-child(1),
.trades-table td:nth-child(1) {
  min-width: 60px;
  max-width: 80px;
}

.trades-table th:nth-child(2),
.trades-table td:nth-child(2) {
  min-width: 90px;
}

.trades-table th:nth-child(3),
.trades-table td:nth-child(3) {
  min-width: 60px;
}

.trades-table th:nth-child(4),
.trades-table td:nth-child(4) {
  min-width: 90px;
}

.trades-table th:nth-child(5),
.trades-table td:nth-child(5) {
  min-width: 90px;
}

.trades-table th:nth-child(6),
.trades-table td:nth-child(6) {
  min-width: 90px;
}

.trades-table th:nth-child(7),
.trades-table td:nth-child(7) {
  min-width: 90px;
}

.trades-table th:nth-child(8),
.trades-table td:nth-child(8) {
  min-width: 90px;
}

.trades-table th:nth-child(9),
.trades-table td:nth-child(9) {
  min-width: 100px;
}

.trades-table th:nth-child(10),
.trades-table td:nth-child(10) {
  min-width: 100px;
}

.trades-table th:nth-child(11),
.trades-table td:nth-child(11) {
  min-width: 80px;
}

.trades-table th:nth-child(12),
.trades-table td:nth-child(12) {
  min-width: 100px;
}

.trades-table th:nth-child(13),
.trades-table td:nth-child(13) {
  min-width: 200px;
  white-space: normal;
  word-break: break-all;
}

.trades-table th:nth-child(14),
.trades-table td:nth-child(14) {
  min-width: 140px;
}

.trades-table th:nth-child(15),
.trades-table td:nth-child(15) {
  min-width: 140px;
}

.trades-table tr:hover {
  background-color: #f8f9fa;
}

/* 移动端卡片式布局 */
.trades-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 768px) {
  .trades-cards {
    display: none;
  }
}

.trade-card {
  background: #f8f9fa;
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid #e9ecef;
}

.trade-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #dee2e6;
}

.trade-card-symbol {
  font-weight: bold;
  font-size: 1.1rem;
  color: #2c3e50;
}

.trade-card-side {
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 500;
}

.trade-card-side.buy {
  background-color: #d4edda;
  color: #155724;
}

.trade-card-side.sell {
  background-color: #f8d7da;
  color: #721c24;
}

.trade-card-body {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.trade-card-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.trade-card-label {
  font-size: 0.85rem;
  color: #666;
}

.trade-card-value {
  font-weight: 500;
  color: #2c3e50;
}

.order-id {
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  color: #666;
}

.trade-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.75rem;
  border-top: 1px solid #dee2e6;
  font-size: 0.9rem;
}

.buy {
  color: #27ae60;
  font-weight: bold;
}

.sell {
  color: #e74c3c;
  font-weight: bold;
}

.positive {
  color: #27ae60;
}

.negative {
  color: #e74c3c;
}

.status {
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 500;
}

.status.open {
  background-color: #3498db;
  color: white;
}

.status.closed {
  background-color: #95a5a6;
  color: white;
}

.status.cancelled {
  background-color: #e74c3c;
  color: white;
}