body {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(20px);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  display: flex;
  justify-content: center;
  padding-top: 40px;
}

.chat-wrapper {
  width: 100%;
  height: 100%;
  background: transparent; /* ← FIX */
  border-radius: 0;        /* ← FIX */
  box-shadow: none;        /* ← FIX */
  display: flex;
  flex-direction: column;
}

.chat-header {
  background: #f7f7f7;
  padding: 15px;
  text-align: center;
  border-bottom: 1px solid #ddd;
}

.chat-title {
  font-size: 18px;
  font-weight: 600;
}

.chat-subtitle {
  font-size: 12px;
  color: #888;
}

.chat-container {
  flex: 1;
  overflow-y: auto;
  background: transparent; /* ← FIX */
  padding: 20px;
}

.message {
  display: flex;
  max-width: 75%;
}

.message.user {
  align-self: flex-end;
  justify-content: flex-end;
}

.message.bot {
  align-self: flex-start;
}

.bubble {
  padding: 12px 16px;
  border-radius: 18px;
  font-size: 15px;
  line-height: 1.3;
}

.user .bubble {
  background: #007aff;
  color: white;
  border-bottom-right-radius: 4px;
}

.bot .bubble {
  background: #e5e5ea;
  color: black;
  border-bottom-left-radius: 4px;
}

.input-row {
  display: flex;
  padding: 14px;
  gap: 12px;
  border-top: 1px solid #ddd;
  background: #f7f7f7;
}

#userInput {
  flex: 1;
  padding: 14px 18px;
  border-radius: 22px;
  border: none;
  background: #f1f1f1;
  font-size: 17px;
  color: #000;
}

#sendBtn {
  background: #007aff;
  color: white;
  border: none;
  padding: 12px 18px;
  border-radius: 20px;
  font-weight: 600;
  cursor: pointer;
}