body{background:#0F172A;color:#fff;font-family:sans-serif}.navbar{display:flex;justify-content:space-between;padding:15px;background:linear-gradient(90deg,#3B82F6,#8B5CF6)}.chat-box{height:60vh;overflow:auto;padding:20px}.card{background:#1E293B;padding:15px;border-radius:12px;box-shadow:0 4px 10px #0006}.prompt-pill{border-radius:30px;padding:8px 14px;margin:5px;background:linear-gradient(90deg,#3B82F6,#06B6D4);border:none;color:#fff}.user-msg{text-align:right}.ai-msg{text-align:left}