body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0b1020;
  color: #f5f5f5;
  margin: 0;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 24px;
  background: #141b2f;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

h1 {
  margin-top: 0;
  font-size: 1.9rem;
}

.subtitle {
  color: #c0c6e0;
}

textarea {
  width: 100%;
  background: #0d1324;
  color: #f5f5f5;
  border: 1px solid #2c3554;
  border-radius: 8px;
  padding: 10px;
  resize: vertical;
}

button {
  margin-top: 8px;
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  background: #4c6fff;
  color: white;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: #3453e6;
}

.status {
  font-size: 0.9rem;
  margin-top: 4px;
}

.status-ok {
  color: #8be48b;
}

.status-warn {
  color: #ffce56;
}

.chat-box {
  margin-top: 10px;
  border-radius: 8px;
  background: #0d1324;
  border: 1px solid #2c3554;
  padding: 10px;
  max-height: 350px;
  overflow-y: auto;
}

.msg {
  margin-bottom: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.95rem;
}

.user-msg {
  background: #3453e6;
  align-self: flex-end;
}

.bot-msg {
  background: #1f2840;
}

.system-msg {
  font-size: 0.9rem;
  color: #a3abcd;
}

.chat-input-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.chat-input-row input {
  flex: 1;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid #2c3554;
  background: #0d1324;
  color: #f5f5f5;
}