/* v0.4.6.6 unified language switch */
.ai-lang-switch{position:relative;display:inline-flex;align-items:center;z-index:40}
.ai-lang-button{height:36px;min-width:66px;padding:0 10px;border:1px solid rgba(148,163,184,.28);border-radius:10px;background:rgba(255,255,255,.86);color:#334155;display:inline-flex;align-items:center;justify-content:center;gap:7px;font-size:12px;font-weight:700;letter-spacing:.02em;cursor:pointer;box-shadow:0 1px 2px rgba(15,23,42,.04);transition:.18s ease}
.ai-lang-button:hover{border-color:rgba(79,70,229,.35);color:#4338ca;background:#fff}
.ai-lang-globe{width:15px;height:15px;display:block;fill:none;stroke:currentColor;stroke-width:1.8}
.ai-lang-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:150px;padding:6px;background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 18px 45px rgba(15,23,42,.14)}
.ai-lang-menu[hidden]{display:none!important}
.ai-lang-option{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 10px;border-radius:8px;color:#475569;font-size:13px;font-weight:600;text-decoration:none;white-space:nowrap}
.ai-lang-option:hover{background:#f8fafc;color:#0f172a}
.ai-lang-option.is-active{background:#eef2ff;color:#4338ca}
.ai-lang-option.is-active:after{content:'✓';font-size:12px}
.ai-auth-lang{position:fixed;top:18px;right:20px;z-index:90}
.mtn-header-actions .ai-lang-switch{flex:0 0 auto}
@media(max-width:640px){.ai-lang-button{min-width:54px;height:34px;padding:0 8px}.ai-lang-switch .ai-lang-globe{display:none}.ai-auth-lang{top:12px;right:12px}.av-header-actions .ai-lang-switch{order:0}}