body {
  background: #f4f4f4;
  font-family: Arial, sans-serif;
}
.layout {
  display: flex;
  flex-direction: row;
  max-width: 1100px;
  margin: 40px auto;
  gap: 20px;
}
.main {
  flex: 1;
  background: #fff;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.sidebar {
  width: 260px;
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.meta-box {
  background: #f5f5f5;
  border-radius: 5px;
  padding: 10px;
  font-size: 0.95em;
  margin-bottom: 15px;
}
h1, h2 {
  color: #2a2a2a;
}
input, select {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
}
#editor {
  height: 300px;
  margin-bottom: 20px;
  background: #fff;
}
button {
  padding: 10px 20px;
  margin-top: 10px;
  background: #27ae60;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
button:hover {
  background: #1e874b;
}