body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #0e1117;
  color: #eaeaea;
}

.app {
  display: flex;
  height: 100vh;
}

aside {
  width: 240px;
  background: #111827;
  border-right: 1px solid #1f2937;
  padding: 16px;
}

.logo {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 20px;
}

nav a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: #cbd5e1;
  text-decoration: none;
  margin-bottom: 6px;
}

nav a.active,
nav a:hover {
  background: #1f2937;
  color: #4cff9d;
}

.main {
  flex: 1;
  padding: 24px;
  overflow: auto;
}