/* Área de controles del header */
.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Selector de idioma */
.language-selector {
    position: relative;
    z-index: 1002;
}

/* Checkbox oculto */
.language-toggle {
    display: none;
}

/* Botón del selector */
.language-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 0.875rem;
    font-weight: 500;
    color: #64748b;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    user-select: none;
}

.language-btn:hover {
    background: white;
    border-color: var(--medical-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

/* Estado activo del botón cuando el dropdown está abierto */
.language-toggle:checked ~ .language-btn {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

.language-toggle:checked ~ .language-btn .fas {
    color: white;
    transform: rotate(180deg);
}

.language-btn .flag {
    font-size: 1.1rem;
    line-height: 1;
}

.language-btn .language-text {
    font-weight: 600;
    min-width: 22px;
    text-align: left;
}

.language-btn .fas {
    font-size: 0.75rem;
    color: #94a3b8;
    transition: transform 0.3s ease;
}

/* Dropdown de idiomas */
.language-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid #e2e8f0;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    z-index: 1003;
}

/* Mostrar dropdown cuando el checkbox está marcado */
.language-toggle:checked ~ .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Flecha del dropdown */
.language-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    right: 20px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid white;
}

/* Opciones del dropdown */
.language-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: var(--transition-smooth);
    border-radius: 0.5rem;
    margin: 0.25rem;
    position: relative;
}

.language-option:first-child {
    margin-top: 0.5rem;
}

.language-option:last-child {
    margin-bottom: 0.5rem;
}

.language-option:hover {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    color: var(--medical-blue);
    transform: translateX(5px);
}

.language-option.active {
    background: var(--gradient-primary);
    color: white;
}

.language-option.active:hover {
    background: var(--gradient-primary);
    transform: translateX(5px) scale(1.02);
}

.language-option .flag {
    font-size: 1.2rem;
    line-height: 1;
}

.language-option .language-name {
    font-size: 0.9rem;
}

/* Línea lateral para indicar hover/active */
.language-option::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--gradient-primary);
    border-radius: 0 2px 2px 0;
    transition: height 0.3s ease;
}

.language-option:hover::before,
.language-option.active::before {
    height: 60%;
}

/* Selector de idiomas móvil */
.mobile-language {
    width: 100%;
    text-align: center;
    margin: 1rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-language h3 {
    color: white;
    font-size: 1rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    font-weight: 500;
}

.mobile-language-options {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.mobile-language-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.75rem;
    text-decoration: none;
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    min-width: 70px;
    backdrop-filter: blur(10px);
}

.mobile-language-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px) scale(1.05);
    border-color: rgba(255, 255, 255, 0.4);
}

.mobile-language-btn.active {
    background: rgba(255, 255, 255, 0.9);
    color: var(--medical-blue);
    border-color: white;
}

.mobile-language-btn .flag {
    font-size: 1.5rem;
    line-height: 1;
}

/* Animaciones CSS puras */
@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-15px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Aplicar animación cuando se abre */
.language-toggle:checked ~ .language-dropdown {
    animation: dropdownSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Cerrar dropdown al hacer clic en una opción */
.language-option {
    position: relative;
}

/* Responsive breakpoints */
@media (max-width: 768px) {
    .language-selector {
        display: none;
    }

    .header-controls {
        display: none;
    }
}

@media (max-width: 480px) {
    .mobile-language-options {
        gap: 0.5rem;
    }

    .mobile-language-btn {
        min-width: 60px;
        padding: 0.6rem;
        font-size: 0.8rem;
    }

    .mobile-language-btn .flag {
        font-size: 1.3rem;
    }
}

/* Mejora: Cerrar dropdown al perder foco */
.language-selector:not(:focus-within) .language-toggle:checked ~ .language-dropdown {
    /* Mantener abierto mientras tenga foco */
}

/* Overlay invisible para cerrar dropdown */
.language-toggle:checked ~ .language-dropdown::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    cursor: default;
}