* {
  box-sizing: border-box;
}

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

.app {
  max-width: 500px;
  margin: 40px auto;
  padding: 20px;
  background: #020617;
  border-radius: 10px;
}

h1 {
  text-align: center;
}

.status {
  background: #020617;
  padding: 10px;
  border: 1px solid #1e293b;
  margin-bottom: 10px;
  font-size: 14px;
}

.connect {
  display: flex;
  gap: 8px;
}

.connect input {
  flex: 1;
}

.chat {
  margin-top: 15px;
}

#messages {
  height: 220px;
  border: 1px solid #1e293b;
  padding: 10px;
  overflow-y: auto;
  background: #020617;
}

.send {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

input {
  padding: 10px;
  background: #020617;
  border: 1px solid #1e293b;
  color: white;
  border-radius: 6px;
}

button {
  padding: 10px 14px;
  background: #2563eb;
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
}

button:hover {
  background: #1d4ed8;
}