body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  margin: 32px;
}
.card {
  background: white;
  padding: 22px;
  border-radius: 10px;
  max-width: 780px;
  margin: 24px auto;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
h1 { margin-top: 0; }
label { font-weight: 600; display: block; margin-top: 12px; }
input, textarea, select {
  width: 100%;
  padding: 10px;
  margin-top: 6px;
  box-sizing: border-box;
}
textarea { min-height: 90px; }
button {
  margin-top: 18px;
  padding: 12px 20px;
  background: #8b0000;
  color: white;
  border: none;
  cursor: pointer;
}
.nav a { margin-right: 14px; }
.result {
  background: #f0f0f0;
  padding: 12px;
  white-space: pre-wrap;
  margin-top: 16px;
}
.small { color: #555; font-size: 0.92em; }