.app{min-height:100vh;font-family:system-ui,sans-serif}nav{padding:.75rem 1rem;background:#1a1a2e;color:#eee;display:flex;align-items:center;gap:1rem}nav a{color:#acf;text-decoration:none}nav a.router-link-active{text-decoration:underline}.user{margin-left:auto;margin-right:.5rem;font-size:.9rem;opacity:.9}nav button{padding:.35rem .75rem;cursor:pointer;background:#333;color:#eee;border:1px solid #555;border-radius:4px}main{padding:1rem;max-width:900px;margin:0 auto}