body {
  background: #111;
  display: flex;
  justify-content: center;
  font-family: system-ui, sans-serif;
}

.phone {
  width: 390px;
  height: 700px;
  background: #ece5dd;
  display: flex;
  flex-direction: column;
  border-radius: 25px;
  overflow: hidden;
}

.header {
  background: #075e54;
  color: white;
  padding: 12px;
}

.chat-title {
  font-weight: bold;
}

.typing {
  font-size: 12px;
  opacity: 0.8;
}

.chat {
  flex: 1;
  padding: 10px;
  overflow-y: auto;
}

.message {
  display: flex;
  margin-bottom: 10px;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin-right: 8px;
}

.bubble {
  background: white;
  padding: 8px 12px;
  border-radius: 8px;
  max-width: 70%;
}

.name {
  font-weight: bold;
  font-size: 12px;
}

.system {
  text-align: center;
  font-size: 12px;
  color: #555;
  margin: 10px 0;
}

.input-bar {
  background: #f0f0f0;
  padding: 8px;
}

input {
  width: 100%;
  padding: 10px;
  border-radius: 20px;
  border: none;
}