/* ========== SÉLECTEUR DE LANGUE ========== */
.language-switcher {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.8rem;
    box-shadow: 0 6px 25px var(--shadow);
    z-index: 9999;
    display: flex;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.language-switcher:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px var(--shadow);
}

.lang-btn {
    width: 45px;
    height: 45px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--bg-card);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    position: relative;
    overflow: hidden;
}

.lang-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.lang-btn:hover {
    transform: scale(1.1);
    border-color: var(--primary);
}

.lang-btn:hover::before {
    opacity: 0.1;
}

.lang-btn.active {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

/* Drapeaux emoji */
.flag-icon {
    font-size: 1.8rem;
    line-height: 1;
}

/* Tooltip au survol */
.lang-btn::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-5px);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 0.5rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    box-shadow: 0 4px 15px var(--shadow);
}

.lang-btn:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(-8px);
}

/* Animation d'entrée */
@keyframes slideInUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.language-switcher {
    animation: slideInUp 0.5s ease-out 0.5s both;
}

/* Responsive */
@media (max-width: 768px) {
    .language-switcher {
        bottom: 1rem;
        right: 1rem;
        padding: 0.6rem;
        gap: 0.4rem;
    }
    
    .lang-btn {
        width: 40px;
        height: 40px;
    }
    
    .flag-icon {
        font-size: 1.5rem;
    }
}

/* Effet de pulsation pour attirer l'attention */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 6px 25px var(--shadow);
    }
    50% {
        box-shadow: 0 6px 25px var(--shadow), 0 0 20px rgba(99, 102, 241, 0.4);
    }
}

.language-switcher.first-visit {
    animation: slideInUp 0.5s ease-out 0.5s both, pulse 2s ease-in-out 1s 3;
}