/* Base Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f0f2f5;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

/* Chat Container */
.chat-wrapper {
  width: 100%;
  max-width: 600px;
  height: 90vh;
  background: white;
  border-radius: 16px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  padding: 20px;
}

/* Header */
.chat-wrapper h1 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: #2c3e50;
}

/* Chat History */
#chat-history {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 10px;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  background: #fafafa;
  scroll-behavior: smooth;
}

/* Message Wrapper */
.message-wrapper {
  display: flex;
  width: 100%;
}

/* Messages */
.user-msg,
.bot-msg {
  padding: 12px 16px;
  font-size: 1rem;
  border-radius: 20px;
  max-width: 75%;
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.4;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.user-msg {
  margin-left: auto;
  background: #007bff;
  color: white;
  border-bottom-right-radius: 4px;
}

.bot-msg {
  margin-right: auto;
  background: #e6e9ef;
  color: #222;
  border-bottom-left-radius: 4px;
}

/* Chat Input */
form {
  display: flex;
  gap: 10px;
  padding-top: 10px;
}

input[type="text"] {
  flex: 1;
  padding: 12px;
  font-size: 1rem;
  border-radius: 20px;
  border: 1px solid #ccc;
  outline: none;
  transition: border 0.2s;
}

input[type="text"]:focus {
  border-color: #007bff;
}

button {
  padding: 12px 20px;
  font-size: 1rem;
  font-weight: bold;
  border-radius: 20px;
  background-color: #007bff;
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease-in-out;
}

button:hover {
  background-color: #0056b3;
}