body {
  /* System Font Stack */
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  background-color: #f8f9fa;
  color: #333;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  text-align: center;
}

.container {
  max-width: 600px;
  padding: 20px;
}

.error-code {
  font-size: 6rem;
  font-weight: 700;
  color: #dc3545;
  margin: 0;
}

.error-title {
  font-size: 2rem;
  font-weight: 300;
  margin-top: 0;
  margin-bottom: 20px;
}

.error-message {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #555;
}

.retry-button {
  margin-top: 20px;
  padding: 12px 20px;
  border: 0;
  border-radius: 6px;
  background-color: #333;
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
}

.retry-button:hover,
.retry-button:focus {
  background-color: #111;
}

.retry-button:focus {
  outline: 3px solid rgba(51, 51, 51, 0.25);
  outline-offset: 2px;
}

.icon-container {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}
.icon-container svg {
    max-width: 200px;
    height: auto;
}