.app-topbar{height:60px;display:flex;align-items:center;justify-content:space-between;background:#fffffff5;backdrop-filter:blur(8px);border-bottom:3px solid var(--co);position:sticky;top:0;z-index:50;padding-inline:var(--pad-x);box-shadow:var(--shadow-sm);transition:box-shadow var(--t-base)}.app-topbar__logo{font-size:var(--text-xl);font-weight:800;color:var(--gray-900);text-decoration:none}.app-topbar__logo span{color:var(--co)}.app-topbar__actions{display:flex;align-items:center;gap:var(--sp-3)}