.v3tn{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:var(--surface-footer);border-bottom:1px solid var(--border-subtle);position:sticky;top:0;z-index:100}
.v3tn.v3tn--transparent{position:absolute;top:0;left:0;right:0;background:linear-gradient(to bottom,rgba(0,0,0,0.35),transparent);border-bottom:none}
.v3tn-inst{display:flex;align-items:center;gap:22px;margin-right:6px}
.v3tn-inst a{font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--text-secondary)}
.v3tn-inst a:hover{color:var(--accent)}
.v3tn-logo{height:56px}
.v3tn-right{display:flex;align-items:center;gap:18px}
.v3tn-back{display:flex;align-items:center;gap:8px;font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-secondary)}
.v3tn-back:hover{color:var(--accent)}
.v3tn-cta{display:inline-flex;align-items:center;padding:10px 18px;border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-primary);font-size:11px;letter-spacing:0.15em;text-transform:uppercase}
.v3tn-cta:hover{border-color:var(--accent);color:var(--accent)}
.v3tn-user{display:flex;align-items:center;gap:12px}
.v3tn-avatar{width:36px;height:36px;border-radius:50%;background:var(--accent-soft);border:1px solid var(--border-gold);color:var(--accent);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:13px;flex-shrink:0}
.v3tn-name{font-size:13px;color:var(--text-primary);font-weight:500;margin:0}
.v3tn-role{display:inline-flex;align-items:center;gap:5px;font-size:9px;letter-spacing:0.25em;text-transform:uppercase;color:var(--gold-light);margin:3px 0 0}
.v3tn-divider{width:1px;height:28px;background:var(--border-subtle)}
.v3tn-logout{display:flex;align-items:center;gap:8px;font-size:11px;letter-spacing:0.15em;text-transform:uppercase;color:var(--text-secondary);cursor:pointer;background:transparent;border:none;padding:0;font-family:inherit}
.v3tn-logout:hover{color:var(--accent)}