body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
  background: #f5f7fa;
  color: #1e293b;
}

.header {
  text-align: center;
  padding: 30px 16px 10px;
}

.logo {
  width: 100px;
  height: 100px;
  border-radius: 20px;
  object-fit: cover;
}

.subtitle {
  font-size: 16px;
  color: #64748b;
  margin-top: -10px;
}

.card {
  background: white;
  margin: 14px;
  padding: 20px;
  border-radius: 20px;
  font-size: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition: 0.2s;
}

.card:hover {
  background: #e8f0ff;
}

#content {
  padding: 16px;
}

label {
  font-size: 16px;
  margin-top: 20px;
  display: block;
}

input, select {
  width: 100%;
  padding: 12px;
  margin-top: 6px;
  border-radius: 12px;
  border: 1px solid #cbd5e1;
  font-size: 16px;
}

button {
  width: 100%;
  margin-top: 20px;
  padding: 16px;
  border-radius: 14px;
  border: none;
  background: #3a7dff;
  color: white;
  font-size: 18px;
  cursor: pointer;
}

#chat-box {
  background: white;
  padding: 16px;
  border-radius: 16px;
  max-height: 65vh;
  overflow-y: auto;
  margin-bottom: 16px;
}

.msg-user {
  text-align: right;
  margin: 6px 0;
  padding: 10px;
  background: #dbeafe;
  border-radius: 12px;
}

.msg-bot {
  text-align: left;
  margin: 6px 0;
  padding: 10px;
  background: #e2e8f0;
  border-radius: 12px;
}

#input-row {
  display: flex;
  gap: 8px;
}

#message {
  flex: 1;
}