/**
 * DeepLX Translator Pro - 增强语言切换器样式
 * 
 * @package DeepLX_Translator_Pro
 * @since 1.0.0
 */

/* ========================================
   基础样式
   ======================================== */

.dxtp-language-switcher {
    position: relative;
    display: inline-block;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.4;
}

.dxtp-language-switcher * {
    box-sizing: border-box;
}

/* ========================================
   下拉式切换器
   ======================================== */

.dxtp-dropdown {
    position: relative;
    display: inline-block;
}

.dxtp-current-language {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    color: #333;
    text-decoration: none;
    transition: all 0.2s ease;
    min-width: 120px;
    justify-content: space-between;
}

.dxtp-current-language:hover {
    border-color: #0073aa;
    box-shadow: 0 0 0 1px #0073aa;
}

.dxtp-current-language:focus {
    outline: none;
    border-color: #0073aa;
    box-shadow: 0 0 0 2px rgba(0, 115, 170, 0.2);
}

.dxtp-language-display {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dxtp-dropdown-arrow {
    margin-left: 8px;
    font-size: 10px;
    transition: transform 0.2s ease;
    color: #666;
}

.dxtp-dropdown.dxtp-open .dxtp-dropdown-arrow {
    transform: rotate(180deg);
}

.dxtp-language-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid #ddd;
    border-top: none;
    border-radius: 0 0 4px 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    list-style: none;
    margin: 0;
    padding: 0;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    max-height: 200px;
    overflow-y: auto;
}

.dxtp-dropdown.dxtp-open .dxtp-language-list {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dxtp-language-list li {
    margin: 0;
    padding: 0;
}

.dxtp-language-link {
    display: block;
    padding: 10px 12px;
    color: #333;
    text-decoration: none;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid #f0f0f0;
}

.dxtp-language-link:last-child {
    border-bottom: none;
}

.dxtp-language-link:hover,
.dxtp-language-link:focus {
    background-color: #f8f9fa;
    color: #0073aa;
    outline: none;
}

/* ========================================
   水平式切换器
   ======================================== */

.dxtp-horizontal .dxtp-language-list {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: none;
    border: none;
    box-shadow: none;
    max-height: none;
    overflow: visible;
}

.dxtp-horizontal .dxtp-language-item {
    margin: 0;
}

.dxtp-horizontal .dxtp-language-link,
.dxtp-horizontal .dxtp-language-current {
    display: inline-block;
    padding: 6px 12px;
    background: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 20px;
    color: #333;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s ease;
}

.dxtp-horizontal .dxtp-language-link:hover {
    background: #0073aa;
    color: #fff;
    border-color: #0073aa;
}

.dxtp-horizontal .dxtp-language-current {
    background: #0073aa;
    color: #fff;
    border-color: #0073aa;
}

/* ========================================
   垂直式切换器
   ======================================== */

.dxtp-vertical .dxtp-language-list {
    position: static;
    display: block;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: none;
    max-height: none;
    overflow: visible;
}

.dxtp-vertical .dxtp-language-link,
.dxtp-vertical .dxtp-language-current {
    display: block;
    padding: 8px 12px;
    border-bottom: 1px solid #e0e0e0;
}

.dxtp-vertical .dxtp-language-link:last-child {
    border-bottom: none;
}

.dxtp-vertical .dxtp-language-current {
    background: #0073aa;
    color: #fff;
}

/* ========================================
   加载状态
   ======================================== */

.dxtp-loading .dxtp-current-language {
    opacity: 0.7;
    pointer-events: none;
}

.dxtp-loading-spinner {
    display: inline-block;
    margin-left: 8px;
    animation: dxtp-spin 1s linear infinite;
    font-size: 12px;
}

@keyframes dxtp-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ========================================
   位置样式
   ======================================== */

/* 浮动位置 */
.dxtp-floating-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 8px;
}

.dxtp-floating-switcher .dxtp-language-switcher {
    margin: 0;
}

/* 顶部栏位置 */
.dxtp-topbar-switcher {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 8px 0;
    text-align: right;
    font-size: 13px;
}

.dxtp-topbar-switcher .dxtp-language-switcher {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.dxtp-topbar-switcher .dxtp-current-language {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.dxtp-topbar-switcher .dxtp-current-language:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.dxtp-topbar-switcher .dxtp-language-link {
    color: #fff;
}

.dxtp-topbar-switcher .dxtp-language-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* 头部位置 */
.dxtp-header-switcher {
    display: inline-block;
    margin-left: 20px;
}

/* 页脚位置 */
.dxtp-footer-switcher {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid #e0e0e0;
    margin-top: 40px;
}

/* 菜单位置 */
.dxtp-menu-switcher {
    display: inline-block;
    vertical-align: middle;
}

/* ========================================
   JustNews主题专门优化
   ======================================== */

.dxtp-justnews-topbar {
    font-size: 12px;
}

.dxtp-justnews-topbar .dxtp-current-language {
    padding: 4px 8px;
    min-width: 100px;
    font-size: 12px;
}

.dxtp-justnews-header {
    margin-left: 15px;
}

.dxtp-justnews-header .dxtp-current-language {
    padding: 6px 10px;
    font-size: 13px;
}

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 768px) {
    .dxtp-floating-switcher {
        top: 10px;
        right: 10px;
        padding: 6px;
    }
    
    .dxtp-current-language {
        padding: 6px 10px;
        font-size: 13px;
        min-width: 100px;
    }
    
    .dxtp-topbar-switcher .dxtp-language-switcher {
        padding: 0 15px;
    }
    
    .dxtp-horizontal .dxtp-language-list {
        gap: 4px;
    }
    
    .dxtp-horizontal .dxtp-language-link,
    .dxtp-horizontal .dxtp-language-current {
        padding: 4px 8px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .dxtp-floating-switcher {
        position: relative;
        top: auto;
        right: auto;
        margin: 10px;
        box-shadow: none;
        border: none;
        background: none;
        padding: 0;
    }
    
    .dxtp-horizontal .dxtp-language-list {
        justify-content: center;
    }
    
    .dxtp-topbar-switcher {
        text-align: center;
    }
}

/* ========================================
   无障碍支持
   ======================================== */

.dxtp-language-switcher:focus-within {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

.dxtp-language-link:focus {
    outline: 2px solid #0073aa;
    outline-offset: -2px;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .dxtp-current-language {
        border-width: 2px;
    }
    
    .dxtp-language-link:hover,
    .dxtp-language-link:focus {
        background-color: #000;
        color: #fff;
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    .dxtp-current-language,
    .dxtp-dropdown-arrow,
    .dxtp-language-list,
    .dxtp-language-link {
        transition: none;
    }
    
    .dxtp-loading-spinner {
        animation: none;
    }
}

/* ========================================
   深色模式支持
   ======================================== */

@media (prefers-color-scheme: dark) {
    .dxtp-current-language {
        background: #2c2c2c;
        border-color: #555;
        color: #fff;
    }
    
    .dxtp-current-language:hover {
        border-color: #0073aa;
    }
    
    .dxtp-language-list {
        background: #2c2c2c;
        border-color: #555;
    }
    
    .dxtp-language-link {
        color: #fff;
        border-color: #444;
    }
    
    .dxtp-language-link:hover,
    .dxtp-language-link:focus {
        background-color: #444;
    }
    
    .dxtp-horizontal .dxtp-language-link {
        background: #2c2c2c;
        border-color: #555;
    }
    
    .dxtp-vertical .dxtp-language-list {
        background: #2c2c2c;
        border-color: #555;
    }
}