#bc-chat {
  max-width: 520px;
  margin: auto;
  font-family: Arial, sans-serif;
}

.bc-box {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 15px 50px rgba(0,0,0,.08);
  background: #fff;
}

.bc-header {
  background: #111;
  color: #fff;
  padding: 18px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.bc-dot {
  width: 10px;
  height: 10px;
  background: #4CAF50;
  border-radius: 50%;
}

.bc-body {
  padding: 18px;
  min-height: 260px;
}

.bc-msg {
  background: #f3f3f3;
  padding: 12px;
  border-radius: 12px;
  margin-bottom: 12px;
}

.bc-msg.user {
  background: #111;
  color: #fff;
  text-align: right;
}

.bc-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.bc-options button {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #ddd;
  background: #fff;
  cursor: pointer;
}

.bc-options button:hover {
  background: #111;
  color: #fff;
}

.bc-input {
  display: flex;
  border-top: 1px solid #eee;
}

.bc-input input {
  flex: 1;
  padding: 12px;
  border: none;
  outline: none;
}

.bc-input button {
  padding: 12px 16px;
  background: #111;
  color: #fff;
  border: none;
  cursor: pointer;
}