*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:#0f1419;color:#e7e9ea;min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:#16202a;border-bottom:1px solid #2f3336}.logo{font-size:18px;font-weight:600;color:#1d9bf0}.app-nav{display:flex;gap:8px}.app-nav a{padding:8px 16px;border-radius:20px;text-decoration:none;color:#8899a6;font-size:14px;transition:all .2s}.app-nav a:hover{background:#1d2935;color:#e7e9ea}.app-nav a.router-link-active{background:#1d9bf0;color:#fff}.app-main{flex:1;padding:24px}