.app-container{background:linear-gradient(135deg,#0a1930,#0f2747);color:#e4e9f0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;min-height:100vh;padding:20px}.title{color:#4da6ff;font-size:2rem;margin-bottom:20px;text-align:center}.navbar{display:flex;gap:20px;justify-content:center;margin-bottom:30px}.nav-link{background:#1c2d4a;border-radius:12px;color:#e4e9f0;padding:10px 18px;text-decoration:none;transition:all .3s ease}.nav-link:hover{background:#274368;box-shadow:0 0 10px #4da6ff66;color:#4da6ff}.page{background:#142238;border-radius:16px;box-shadow:0 4px 20px #0009;padding:20px}body{margin:0}