body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f9;
  color: #333;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 800px;
  margin: auto;
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}

th, td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid #ddd;
  white-space: nowrap;
}

th {
  background-color: #f8f8f8;
  text-align: center;
}

button {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}

select {
  padding: 5px;
  border-radius: 4px;
  border: 1px solid #ccc;
}

/* Row colors based on status */
.row-not-interested {
  background-color: #f8d7da;
  color: #721c24;
}

.row-interested {
  background-color: #fff3cd;
  color: #856404;
}

.row-converted {
  background-color: #d4edda;
  color: #155724;
}

/* Responsive Design */
@media (max-width: 768px) {
  table {
    font-size: 12px;
  }

  th, td {
    padding: 8px;
  }

  button {
    padding: 6px 10px;
  }

  td {
    display: block;
    width: 100%;
    box-sizing: border-box;
    text-align: left;
  }

  th {
    display: none;
  }

  tr {
    display: block;
    margin-bottom: 15px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    padding: 10px;
    background: #fff;
  }
}