/* General page styling */
body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f4f4f9;
  color: #333;
}

h1 {
  font-size: 2.5rem;
  text-align: center;
  color: #2c3e50;
  margin-bottom: 20px;
}

h2 {
  font-size: 1.75rem;
  color: #34495e;
  margin-top: 40px;
  margin-bottom: 10px;
  text-align: center;
  border-bottom: 2px solid #bdc3c7;
  padding-bottom: 5px;
}

/* Input and button styling */
input[type="file"] {
  display: block;
  margin: 20px auto;
  font-size: 1.1rem;
  padding: 10px;
  border: 2px solid #bdc3c7;
  border-radius: 5px;
  background-color: #fff;
}

button {
  display: inline-block;
  margin: 20px auto;
  padding: 10px 20px;
  background-color: #2c3e50;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: background-color 0.3s ease;
}

#processBtn {
  display: block;
}

button:hover {
  background-color: #34495e;
}

/* Table styling */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background-color: #fff;
}

table thead {
  background-color: #2c3e50;
  color: #fff;
}

table th, table td {
  padding: 12px 15px;
  text-align: center;
  border: 1px solid #ddd;
}

table tbody tr:nth-child(even) {
  background-color: #f2f2f2;
}

/* Chart styling */
canvas {
  display: block;
  /*margin: 0 auto;*/
  max-width: 100%;
  height: auto;
  border: 1px solid #ddd;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  background-color: white;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  button {
    font-size: 1rem;
    padding: 8px 16px;
  }

  table th, table td {
    padding: 10px;
  }
}