body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f5f5;
}

main {
  max-width: 800px;
  margin: 40px auto;
  padding: 24px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

h1 {
  margin-top: 0;
}

section {
  margin-top: 24px;
}

.field {
  margin-bottom: 12px;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}

input[type="text"],
textarea {
  width: 100%;
  padding: 8px;
  box-sizing: border-box;
  border-radius: 4px;
  border: 1px solid #ccc;
}

button {
  padding: 8px 16px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

#idea-list {
  list-style: none;
  padding: 0;
}

#idea-list li {
  padding: 8px 0;
  border-bottom: 1px solid #eee;
}

.idea-title {
  font-weight: 600;
}

.idea-description {
  font-size: 0.9rem;
  color: #555;
}

#random-idea-display {
  margin-top: 12px;
  padding: 12px;
  border-radius: 4px;
  background: #f0f4ff;
}