/* ============================================
   LANGUAGE TOGGLE — shared by index.html and index-form.html
   Blue/teal theme to match site design system
   ============================================ */
.lang-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    gap: 0.25rem;
    background: rgba(6, 20, 35, 0.92);
    border: 1px solid rgba(20, 117, 223, 0.25);
    border-radius: 0.75rem;
    padding: 0.25rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    border: none;
    background: transparent;
    color: #94a3b8;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    white-space: nowrap;
}

.lang-btn .flag {
    font-size: 1rem;
    line-height: 1;
}

.lang-btn:hover {
    color: #e2e8f0;
    background: rgba(20, 117, 223, 0.08);
}

.lang-btn.active {
    background: rgba(20, 117, 223, 0.18);
    color: #4da3ff;
}

.lang-btn:focus-visible {
    outline: 2px solid #1475df;
    outline-offset: 2px;
}