body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f7f9fc;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

h2 {
  text-align: center;
  padding: 20px;
  margin: 0;
  background-color: #2c3e50;
  color: white;
  font-size: 24px;
  letter-spacing: 1px;
}

#chat-history {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-color: #ffffff;
  border-top: 1px solid #ddd;
  border-bottom: 1px solid #ddd;
}

.doctor-msg {
  background-color: #e6f0ff;
  padding: 12px 16px;
  border-radius: 8px;
  align-self: flex-end;
  max-width: 70%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.ai-msg {
  background-color: #f0f9f4;
  padding: 12px 16px;
  border-radius: 8px;
  align-self: flex-start;
  max-width: 70%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.input-wrapper {
  display: flex;
  align-items: center;
  padding: 12px;
  background-color: #ecf0f1;
  border-top: 1px solid #ccc;
  gap: 8px;
}

input[type="text"] {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 16px;
}

button {
  padding: 10px 14px;
  border: none;
  border-radius: 6px;
  background-color: #3498db;
  color: white;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background-color: #2980b9;
}

#dropdown {
  position: absolute;
  background: white;
  border: 1px solid #ccc;
  display: none;
  z-index: 10;
}


.dropdown-option {
  padding: 10px 14px;
  cursor: pointer;
}

.dropdown-option:hover {
  background-color: #f0f0f0;
}

#loading {
  text-align: center;
  padding: 10px;
  font-style: italic;
  color: #888;
  display: none;
}

#preview-box {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px;
  justify-content: center;
}

.preview-item {
  position: relative;
  width: 100px;
  height: 100px;
}

.preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.cancel-btn {
  position: absolute;
  top: -6px;
  right: -6px;
  background-color: #e74c3c;
  color: white;
  border: none;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  font-size: 14px;
  cursor: pointer;
}