body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #0f172a;
  color: white;
}

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

.sidebar {
  width: 220px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  padding: 20px;
}

.chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.chat {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.message {
  margin-bottom: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
}

.input-area {
  display: flex;
  padding: 15px;
  background: rgba(0,0,0,0.3);
}

input {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: none;
  outline: none;
}

button {
  margin-left: 10px;
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  background: #22c55e;
  color: white;
  cursor: pointer;
}