body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  text-align: center;
}

/* Top Bar Styles */
.top-bar {
  width: 100%;
  background-color: rgba(15, 32, 39, 0.95); /* blend with background */
  padding: 10px 20px;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.top-bar a {
  color: #fff;
  background-color: #00bfa6;
  padding: 10px 18px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.1s ease;
}

.top-bar a:hover {
  background-color: #00a08e;
}

.top-bar a:active {
  transform: scale(0.97);
}

/* Add margin to container to make room for top bar */
.container {
  max-width: 1000px;
  padding: 20px;
  margin-top: 80px; /* offset for fixed top bar */
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.button,
.chat-button {
  display: inline-block;
  margin: 0.5rem;
  padding: 0.75rem 1.5rem;
  background-color: #00bfa6;
  border: none;
  border-radius: 5px;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.3s ease, transform 0.1s ease;
}

.button:hover,
.chat-button:hover {
  background-color: #00a08e;
}

.button:active,
.chat-button:active {
  transform: scale(0.97);
}

.back-link {
  margin-top: 2rem;
  display: inline-block;
  color: #ccc;
  text-decoration: underline;
  font-size: 0.9rem;
}

.back-link:hover {
  color: #fff;
}