body{background:#0f172a;margin:0;padding:0;font-family:Arial,sans-serif}.auth-container{justify-content:center;align-items:center;width:100%;height:100vh;display:flex}.auth-card{background:#1e293b;border-radius:15px;flex-direction:column;gap:15px;width:400px;padding:40px;display:flex;box-shadow:0 0 20px #0000004d}.auth-card h1{color:#fff;text-align:center;margin-bottom:10px}.auth-card input{color:#fff;background:#334155;border:none;border-radius:8px;outline:none;padding:12px;font-size:16px}.auth-card input::placeholder{color:#cbd5e1}.auth-card button{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:8px;padding:12px;font-size:16px;transition:all .3s}.auth-card button:hover{background:#1d4ed8}.auth-card p{color:#fff;text-align:center}.auth-link{color:#60a5fa;cursor:pointer;font-weight:700}.auth-link:hover{text-decoration:underline}body{color:#fff;background:#0f172a;margin:0;padding:0;font-family:Arial,sans-serif}.app{min-height:100vh;padding:30px}.title{text-align:center;color:#38bdf8;margin-bottom:30px;font-size:40px}.card{background:#1e293b;border-radius:15px;margin-bottom:25px;padding:25px;box-shadow:0 0 10px #0000004d}input[type=text]{color:#fff;background:#334155;border:none;border-radius:10px;width:100%;margin-top:10px;padding:14px;font-size:16px}button{color:#000;cursor:pointer;background:#38bdf8;border:none;border-radius:10px;margin-top:15px;padding:12px 20px;font-size:15px;font-weight:700}button:hover{background:#0ea5e9}.answer-box{background:#334155;border-radius:12px;margin-top:20px;padding:20px;line-height:1.7}.loading{color:#38bdf8;margin-top:15px}.chat-container{max-height:400px;margin-top:20px;padding-right:10px;overflow-y:auto}.user-message{color:#000;background:#38bdf8;border-radius:12px;width:fit-content;max-width:80%;margin-bottom:15px;margin-left:auto;padding:15px;font-weight:700}.ai-message{background:#334155;border-radius:12px;width:fit-content;max-width:80%;margin-bottom:15px;padding:15px;line-height:1.6}