.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(8,12,16,.88);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  height:60px;
}
.nav-inner{
  max-width:1160px;margin:0 auto;height:100%;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;
}
.logo{
  display:flex;align-items:center;gap:8px;
  background:none;border:none;cursor:pointer;
}
.logo-icon{font-size:1.3rem;}
.logo-text{
  font-family:var(--font-display);
  font-size:1.3rem;letter-spacing:1px;color:var(--accent);
}
.nav-guest{display:flex;gap:8px;}
.nav-user{display:none;align-items:center;gap:12px;}
.nav-user.visible{display:flex;}
.nav-avatar{
  width:34px;height:34px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.88rem;color:#000;flex-shrink:0;
}
.nav-username{font-size:.84rem;color:var(--muted-light);font-weight:600;}