* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  background-color: #000;
  color: #fff;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  width: 90%;
  max-width: 600px;
  padding: 30px;
  background: rgba(10, 10, 10, 0.8);
  border-radius: 16px;
  text-align: center;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 30px;
  color: #fff;
  letter-spacing: 1px;
}

input {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  border: 1px solid #333;
  border-radius: 8px;
  background: #111;
  color: #fff;
  font-size: 1rem;
}

button {
  width: 100%;
  padding: 12px;
  margin: 12px 0;
  border: none;
  border-radius: 8px;
  background: #222;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background: #333;
}

#chats-list {
  margin-top: 20px;
  text-align: left;
}

.chat-item {
  padding: 12px;
  margin: 8px 0;
  background: #1a1a1a;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status {
  margin-top: 20px;
  padding: 10px;
  border-radius: 8px;
  background: #1a1a1a;
}