* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 2px solid #e0e0e0;
}

h1 {
  font-size: 24px;
  color: #1976d2;
}

.btn {
  padding: 10px 20px;
  background-color: #1976d2;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: #1565c0;
}

.error-message {
  padding: 20px;
  background-color: #ffebee;
  border: 1px solid #ef5350;
  border-radius: 4px;
  margin-bottom: 20px;
  color: #c62828;
}

.error-message p {
  margin-bottom: 5px;
}

.table-wrapper {
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid #e0e0e0;
}

th {
  background-color: #f5f5f5;
  font-weight: 600;
  color: #1976d2;
}

tr:hover {
  background-color: #f5f5f5;
}

.no-data {
  text-align: center;
  color: #999;
  padding: 40px !important;
}

.info {
  margin-top: 20px;
  padding: 15px;
  background-color: #e3f2fd;
  border-radius: 4px;
  color: #1565c0;
}

.info p {
  margin-bottom: 5px;
}

.info p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .container {
    padding: 10px;
  }

  header {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  h1 {
    font-size: 20px;
  }

  th, td {
    padding: 10px;
    font-size: 14px;
  }
}