/* Global reset */
* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
  font-family: Arial, sans-serif;
  background: #000;
  color: #fff;
}

/* Page shell */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Main content */
.page-content {
  flex: 1;
  max-width: 900px;
  margin: 40px auto;
  padding: 30px;
  background: #222;
  border-radius: 10px;
  line-height: 1.6;
}

/* Footer */
.chat-footer {
  text-align: center;
  padding: 15px 0;
  font-size: 0.9rem;
  background: #111;
  border-top: 1px solid #333;
}

.chat-footer a {
  color: lightblue;
  margin: 0 8px;
  text-decoration: none;
}

.chat-footer a:hover {
  text-decoration: underline;
}