*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#1a1a1a;background:#f5f5f5;line-height:1.5}h1,h2,h3,h4,h5,h6{font-family:inherit;line-height:1.2}input,button,select,textarea{font-family:inherit;font-size:inherit}a{color:#4361ee;text-decoration:none}.app-nav{display:flex;align-items:center;justify-content:space-between;padding:0 1rem;height:3.5rem;background:#fff;border-bottom:1px solid #e0e0e0;position:sticky;top:0;z-index:100}.nav-left{display:flex;align-items:center;gap:1.5rem}.nav-brand{font-weight:700;font-size:1.1rem;color:#1a1a1a}.nav-links{display:flex;gap:1rem}.nav-links a{color:#555;font-size:.9rem;padding:.25rem 0;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}.nav-links a:hover,.nav-links a.router-link-active{color:#4361ee;border-bottom-color:#4361ee}.nav-right{display:flex;align-items:center;gap:.75rem}.nav-user{font-size:.85rem;color:#666}.nav-logout{padding:.35rem .75rem;border:1px solid #ddd;border-radius:6px;background:#fff;color:#555;cursor:pointer;font-size:.85rem;transition:background .15s,color .15s}.nav-logout:hover{background:#f0f0f0;color:#d00}main.has-nav{padding-top:1rem}