body {
  font-family: 'Lexend', Helvetica, Arial, system-ui, sans-serif;
  background: #f7f7fa;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.container {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  padding: 32px 24px 24px 24px;
  margin: 40px 0 24px 0;
  max-width: 960px;
  width: 100%;
}
.row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}
form,
.preview-container {
  flex: 1 1 50%;
  min-width: 280px;
  max-width: 400px;
}

.instructions {
  color: #555;
  max-width: 768px;
  display: grid;
  margin: 25px auto 0;
  justify-content: center;
  font-size: 0.95rem;
}

.instructions p {
  margin: 8px 0;
}

h1 {
  font-size: 1.5rem;
  margin-bottom: 25px;
  margin-top: 0;
  text-align: center;
  color: #1e1e1e;
  font-weight: 700;
}
label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: #222;
}
input[type="text"], input[type="email"] {
  width: 100%;
  padding: 8px 10px;
  margin-bottom: 16px;
  border: 1px solid #d1d5db;
  border-radius: 5px;
  font-size: 1rem;
  font-family: inherit;
  background: #fafbfc;
  box-sizing: border-box;
}
.preview-label {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 8px 0;
  color: #1e1e1e;
}
.preview-area {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 18px 12px;
  margin-bottom: 12px;
  overflow-x: auto;
  width: 100%;
}
.note {
  margin-bottom: 0;
}
ul {
  padding-left: 30px;
  margin-top: 5px;
}
@media (max-width: 600px) {
  .container { padding: 18px 4vw; }
  .preview-area { padding: 10px 2vw; }
}