/* पूरे ऐप की सेटिंग */

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

/* पूरी स्क्रीन */

body {
  
  background: #f4f6f9;
  
  font-family: Arial, sans-serif;
  
  color: #222;
  
}

/* Header */

header {
  
  background: #1565C0;
  
  color: white;
  
  text-align: center;
  
  padding: 25px;
  
}

header h1 {
  
  font-size: 34px;
  
}

header p {
  
  margin-top: 10px;
  
  font-size: 18px;
  
}

/* Main */

main {
  
  padding: 20px;
  
}

/* Welcome */

section {
  
  margin-bottom: 25px;
  
}

h2 {
  
  margin-bottom: 15px;
  
}

/* Button */

button {
  
  width: 100%;
  
  padding: 15px;
  
  margin-top: 12px;
  
  border: none;
  
  border-radius: 12px;
  
  background: #1976D2;
  
  color: white;
  
  font-size: 18px;
  
  cursor: pointer;
  
}

/* Button दबाने पर */

button:active {
  
  background: #0D47A1;
  
}

/* Footer */

footer {
  
  margin-top: 30px;
  
  text-align: center;
  
  padding: 20px;
  
  color: #666;
  
}

#chatBox {
  
  height: 380px;
  
  background: white;
  
  border: 2px solid #1976D2;
  
  border-radius: 0 0 12px 12px;
  
  padding: 10px;
  
  overflow-y: auto;
  
  margin-bottom: 15px;
  
}

input {
  
  width: 100%;
  
  padding: 15px;
  
  font-size: 18px;
  
  border-radius: 10px;
  
  border: 1px solid gray;
  
  margin-bottom: 15px;
  
}

.chatHeader {
  
  background: #1976D2;
  
  color: white;
  
  padding: 15px;
  
  border-radius: 12px 12px 0 0;
  
  text-align: center;
  
}

.online {
  
  font-size: 14px;
  
  margin-top: 5px;
  
  color: #C8E6C9;
  
}

/* User Message */

.userMessage {
  
  background: #1976D2;
  
  color: white;
  
  padding: 12px;
  
  border-radius: 15px 15px 0px 15px;
  
  margin: 10px 0;
  
  margin-left: 60px;
  
  text-align: right;
  
}

/* AI Message */

.aiMessage {
  
  background: #ECEFF1;
  
  color: black;
  
  padding: 12px;
  
  border-radius: 15px 15px 15px 0px;
  
  margin: 10px 0;
  
  margin-right: 60px;
  
}

/* ========== Chat Bubble ========== */

.userMessage {
  background: #1976D2;
  color: white;
  padding: 12px;
  border-radius: 16px 16px 0px 16px;
  margin: 10px 0 4px 70px;
  font-size: 16px;
  line-height: 1.5;
  word-wrap: break-word;
overflow-wrap: break-word;
}

.aiMessage {
  background: #F1F3F4;
  color: #222;
  padding: 12px;
  border-radius: 16px 16px 16px 0px;
  margin: 10px 70px 4px 0;
  font-size: 16px;
  line-height: 1.5;
  border: 1px solid #DDD;
  word-wrap: break-word;
overflow-wrap: break-word;
}

.time {
  font-size: 12px;
  color: #777;
  margin-bottom: 12px;
}