body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f7fb;
}

header {
  background-color: #2358a8;
  color: white;
  padding: 20px;
  text-align: center;
}

main {
  max-width: 600px;
  margin: 20px auto;
  padding: 10px;
}

.card {
  background: white;
  padding: 15px;
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

button {
  background-color: #2358a8;
  color: white;
  padding: 12px 18px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  margin-top: 10px;
}

footer {
  background-color: #eee;
  text-align: center;
  padding: 15px;
}

.chat-wrapper {
  position: fixed;
  bottom: 20px;
  right: 20px;
  max-width: 260px;
  text-align: right;
}

.chat-button {
  font-size: 1rem;
  padding: 14px 22px;
  border-radius: 30px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.chat-note {
  font-size: 0.8rem;
  margin-top: 8px;
  color: #333;
}