.header-actions{display:flex;align-items:center;gap:12px;margin-left:14px}.lang-toggle{display:inline-flex;align-items:center;gap:4px;padding:7px 9px;border:1px solid #dce5ee;border-radius:4px;color:#7b8aa0;background:#fff;font-family:'DM Mono',monospace;font-size:9px;letter-spacing:.04em}.lang-toggle i{color:#b2bdca;font-style:normal}.lang-toggle .lang-vi{color:var(--navy);font-weight:700}.lang-toggle.is-en .lang-vi{color:#9aa8b8;font-weight:400}.lang-toggle.is-en .lang-en{color:var(--navy);font-weight:700}.lang-toggle:hover{border-color:var(--cyan);background:#f3fbfc}@media(max-width:950px){.header-actions{margin-left:auto}}@media(max-width:720px){.header-actions{margin-left:auto;margin-right:4px}.lang-toggle{padding:6px 7px}.lang-toggle .lang-vi,.lang-toggle .lang-en{font-size:8px}}