body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background-color: #f0f0f0;
  font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}

a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  color: #0056b3;
  text-decoration: underline;
}

footer {
  text-align: center;
  padding: 0.5rem;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

canvas {
  border: 1px solid #000;
}

.subtle-button {
  margin-top: 20px;
  padding: 8px 16px;
  background-color: #f8f8f8;
  border: 1px solid #ddd;
  border-radius: 4px;
  color: #666;
  cursor: pointer;
  transition: all 0.2s ease;
}

.subtle-button:hover {
  background-color: #eee;
  color: #333;
}

.rates-table-container {
  margin-top: 20px;
  max-height: 300px;
  overflow-y: auto;
  width: 100%;
  max-width: 800px;
}

.rates-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.rates-table th,
.rates-table td {
  padding: 8px;
  text-align: center;
  border: 1px solid #ddd;
}

.rates-table th {
  background-color: #f8f8f8;
  position: sticky;
  top: 0;
}

.settings-form {
    width: 100%;
    max-width: 800px;
    margin-bottom: 2rem;
}

.settings-form fieldset {
    border: 1px solid #ddd;
    padding: 1rem;
    border-radius: 4px;
}

.settings-form legend {
    padding: 0 0.5rem;
    font-weight: bold;
}

.form-group {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.form-group label {
    flex: 0 0 200px;
    margin-right: 1rem;
}

.form-group input {
    width: 100px;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}