body {
  margin: 0;
  background: #000;
  color: #00ff00;
  font-family: "Courier New", monospace;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 16px;
  box-sizing: border-box;
}

.header {
  display: flex;
  gap: 12px;
  align-items: center;
  border: 2px solid #00ff00;
  border-radius: 10px;
  padding: 12px 14px;
}

.brand { font-weight: bold; }
.muted { opacity: 0.8; }

.chatlog {
  flex: 1;
  border: 2px solid #00ff00;
  border-radius: 10px;
  padding: 14px;
  margin-top: 12px;
  overflow-y: auto;
  white-space: pre-wrap;
}

.msg { margin-bottom: 14px; }

.role {
  opacity: 0.8;
  font-size: 12px;
  margin-bottom: 4px;
}

.bubble {
  padding: 10px 12px;
  border: 2px solid #00ff00;
  border-radius: 10px;
}

.msg.user .bubble { background: #001a00; }
.msg.assistant .bubble { background: #000; }

.composer {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

#chatInput {
  flex: 1;
  padding: 10px 12px;
  font-size: 16px;
  background: #000;
  color: #00ff00;
  border: 2px solid #00ff00;
  border-radius: 8px;
}

.btn {
  padding: 10px 14px;
  font-size: 16px;
  background: #000;
  color: #00ff00;
  border: 2px solid #00ff00;
  border-radius: 8px;
  cursor: pointer;
}

.btn:hover { background: #003300; }
.btn:active { background: #006600; }