/* Lang switch button container */
.lang-switch-container {
    display: inline-flex;
    flex-direction: column; /* Stack the button and dropdown vertically */
    align-items: flex-start; /* Align items to the left */
    position: relative; /* Keep the relative position to anchor the dropdown */
}

/* Lang switch button */
.lang-switch {
    cursor: pointer;
    background: rgba(255, 255, 255, 0.8);
    padding: 8px 24px;  /* 适当增加左右内边距来加宽按钮 */
    border-radius: 25px;
    font-size: 14px;
    font-weight: bold;
    color: #0073e6;
    border: 2px solid transparent;
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-right: 20px;  /* 往左移动一点 */
}

/* Hover and focus states */
.lang-switch:hover, .lang-switch:focus {
    background: rgba(255, 255, 255, 1);
    border-color: #0073e6;
    transform: translateY(-2px); /* Button lift effect */
}

/* Active state */
.lang-switch:active {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(1px); /* Button pressed effect */
}

/* Focus state outline (for accessibility) */
.lang-switch:focus-visible {
    outline: none;
    border-color: #0073e6;
    box-shadow: 0 0 0 4px rgba(0, 115, 230, 0.3);
}

/* Lang dropdown menu styling */
.lang-dropdown {
    display: none;
    position: absolute; /* Position dropdown absolutely */
    top: 100%; /* Place it directly below the button */
    left: 0;
    background-color: white;
    border: 1px solid #ccc;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    z-index: 1;
    width: auto; /* Width adapts to content */
    min-width: 90px; /* Minimum width to avoid being too small */
    padding: 5px 0;
}

/* Display the dropdown when hovering over the lang-switch button */
.lang-switch-container:hover .lang-dropdown,
.lang-dropdown:hover {
    display: block;
}

/* List styling for language options */
.lang-dropdown ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

/* Each language option styling */
.lang-dropdown ul li {
    padding: 10px 20px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease, padding-left 0.3s ease;
    color: #333;
    text-align: center;
}

/* Hover effect for language options */
.lang-dropdown ul li:hover {
    background-color: #f0f8ff;
    padding-left: 30px;
    color: #0073e6;
}

/* Add a subtle focus effect when the dropdown is opened */
.lang-dropdown.show {
    animation: dropdownShow 0.3s ease-out;
}

/* Animation for dropdown opening */
@keyframes dropdownShow {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}