* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding: 40px 15px;
}

.chat-container {
  width: 100%;
  max-width: 520px;
  background: #ffffff;
  border-radius: 14px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  padding: 20px;
}

.chat-container h1 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 30px;
  color: #111;
}

.chat-container p {
  margin-top: 0;
  margin-bottom: 16px;
  color: #555;
  font-size: 14px;
}

.chatbox {
  height: 420px;
  overflow-y: auto;
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 14px;
  background: #fafafa;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.user {
  align-self: flex-end;
  background: #d8f5d0;
  color: #111;
  padding: 10px 14px;
  border-radius: 12px;
  max-width: 80%;
  word-wrap: break-word;
}

.bot {
  align-self: flex-start;
  background: #e6eef7;
  color: #111;
  padding: 10px 14px;
  border-radius: 12px;
  max-width: 80%;
  word-wrap: break-word;
}

.input-area {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.input-area input {
  flex: 1;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 10px;
  font-size: 14px;
}

.input-area button {
  padding: 12px 16px;
  border: none;
  background: #1f6feb;
  color: white;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
}

.input-area button:hover {
  background: #1558c0;
}

.lead-form {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  padding: 12px;
  background: #fff3cd;
  border-radius: 10px;
  border: 1px solid #f0d98a;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  padding: 10px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 8px;
  resize: vertical;
}

.lead-form button {
  background: #1f6feb;
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
}

.lead-form button:hover {
  background: #1558c0;
}

.success-box {
  margin-top: 10px;
  padding: 10px 12px;
  background: #d1ffd6;
  border-radius: 8px;
  color: #1d4d24;
  font-size: 14px;
}