body {
  font-family: Lato, sans-serif;
  background: white;
  color: #333;
  margin: 0;
  padding: 20px;
}
.logo {
  padding-top: 5%;
  display: block;
  margin: 10px auto 20px;
  width: 250px;
}
.diagnostic-container {
  max-width: 600px;
  margin: auto;
  text-align: center;
}


#dropdownMenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
  background: #f9f9f9;
  border: 1px solid #ccc;
  padding: 0 1em;
}
#dropdownMenu.open {
  max-height: 2000px;
}
#dropdownMenu a {
  display: block;
  margin: 0.5em 0;
  color: #090692;
  text-decoration: none;
  font-size: 120%;
  text-transform: uppercase;
  line-height: 170%;
}
#dropdownMenu img {
  display: block;
  margin: 1em auto;
  max-width: 100%;
  width: 300px;
}
button-menu {
  display: inline-block;
  background: #007BFF;
  color: white;
  padding: 0.6em 1.2em;
  font-size: 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 0.5em;
}


button {
  display: block;
  width: 100%;
  margin: 10px 0;
  padding: 12px;
  font-size: 16px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}
button:hover {
  background: #0056b3;
}
.chat-box {
  height: 30vh;
  background: #eef1f5;
  border: 1px solid #ccc;
  overflow-y: auto;
  padding: 5%;
  border-radius: 8px;
  margin-bottom: 15px;
}
.msg {
  margin: 8px 0;
  line-height: 1.5;
}
.user { color: #007bff; }
.bot { color: #28a745; }
textarea {
  width: 90%;
  padding: 5%;
  font-size: 16px;
  border-radius: 8px;
  border: 1px solid #ccc;
}
.bottom-bar {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}
.mic-button, .send-button {
  flex: 1;
  padding: 12px;
  font-size: 16px;
  color: white;
  background: #007bff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
.mic-button:hover, .send-button:hover {
  background: #0056b3;
}