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

body {
  background: #dce7f3;
  font-family: "Courier New", monospace;
  min-height: 100%; 
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  color: #2f3a56;
}

.card {
  background: #ffffff;
  width: 440px;
  padding: 2.2rem;
  border-radius: 18px;
  border: 2px solid #c7d3df;
  text-align: center;
}

.cake {
  font-family: monospace;
  font-size: 1rem;
  color: #6c93c4; 
  margin-bottom: 1.2rem;
  text-align: center;
}

.tag {
  color: #708090; 
  font-size: .85rem;
}


h1 {
  font-size: 1.45rem;
  margin-bottom: .7rem;
  font-weight: 700;
  color: #2f3a56; 
}

.subtitle {
  color: #6c93c4;
  margin-bottom: 1.3rem;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .4px;
}

.codeblock {
  background: #eef2f7;
  border: 2px solid #cdd7e2;
  border-radius: 12px;
  padding: 1.2rem;
  font-size: .9rem;
  line-height: 1.45rem;
  color: #2f3a56;
  text-align: left;
  white-space: pre-wrap;
  margin-bottom: 1.3rem;
  box-shadow: inset 0 0 8px rgba(108, 147, 196, 0.1);
  font-family: "Courier New", monospace;
}

.message {
  line-height: 1.6;
  color: #3a4a62;
  font-size: .95rem;
  margin-bottom: 1.3rem;
}

.signature {
  font-style: italic;
  color: #5a6c89;
  margin-top: .4rem;
}