.main {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4rem 1rem;
  color: white;
  background: #2b0063;
  min-height: 100vh;
  font-family: sans-serif;
  text-align: center;
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}
.sub {
  margin-bottom: 2rem;
}
.form {
  display: flex;
  gap: 0.5rem;
}
.form input {
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: none;
  border-radius: 4px;
}
.form button {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  background: #e63946;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.form button:disabled {
  opacity: 0.6;
  cursor: default;
}

.previewWrapper {
  position: relative;
  margin-top: 2rem;
  width: 100%;
  max-width: 600px;
  text-align: left;
}
.error {
  color: #f87171;
  font-weight: bold;
}

.preview {
  position: relative;
  background: rgba(255,255,255,0.1);
  padding: 1rem;
  border-radius: 6px;
  min-height: 8rem;
  overflow: auto;
}

/* WATERMARK */
.preview::before {
  content: "PREVIEW";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%) rotate(-30deg);
  font-size: 4rem;
  color: rgba(255,255,255,0.25);
  pointer-events: none;
  white-space: nowrap;
  user-select: none;
}

.preview pre {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.4;
}

.upgrade {
  margin-top: 1rem;
  display: block;
  width: 100%;
  padding: 0.75rem;
  background: #06d6a0;
  color: #003049;
  font-weight: bold;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}