/* 公共按钮样式 - 统一所有页面的按钮外观 */

/* 导航按钮样式 - 桌面端和移动端基础样式 */
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    color: #000;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-shadow: none;
}

.nav-link:visited {
    color: #000;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-shadow: none;
}

/* 功能按钮样式 */
.action-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
    transition: all 0.3s ease;
    box-sizing: border-box;
    text-align: center;
    min-height: 28px;
    position: relative;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

/* 订阅页面按钮特殊样式 - 在白色背景上更明显 */
body.has-custom-bg .action-button,
.subscription-container .action-button {
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
    color: #667eea;
    text-shadow: none;
}

body.has-custom-bg .action-button:hover,
.subscription-container .action-button:hover {
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.action-button.primary {
    background: rgba(255, 255, 255, 0.2);
    color: #333;
}

/* 订阅页面主要按钮特殊样式 */
body.has-custom-bg .action-button.primary,
.subscription-container .action-button.primary {
    background: rgba(102, 126, 234, 0.15);
    border: 1px solid rgba(102, 126, 234, 0.4);
    color: #667eea;
}

body.has-custom-bg .action-button.primary:hover,
.subscription-container .action-button.primary:hover {
    background: rgba(102, 126, 234, 0.25);
    border: 1px solid rgba(102, 126, 234, 0.6);
}

.action-button.warning {
    background: rgba(255, 255, 255, 0.2);
    color: #333;
}

/* 订阅页面警告按钮特殊样式 */
body.has-custom-bg .action-button.warning,
.subscription-container .action-button.warning {
    background: rgba(255, 193, 7, 0.15);
    border: 1px solid rgba(255, 193, 7, 0.4);
    color: #ff9800;
}

body.has-custom-bg .action-button.warning:hover,
.subscription-container .action-button.warning:hover {
    background: rgba(255, 193, 7, 0.25);
    border: 1px solid rgba(255, 193, 7, 0.6);
}

.action-button.danger {
    background: rgba(255, 255, 255, 0.2);
    color: #333;
}

/* 订阅页面危险按钮特殊样式 */
body.has-custom-bg .action-button.danger,
.subscription-container .action-button.danger {
    background: rgba(244, 67, 54, 0.15);
    border: 1px solid rgba(244, 67, 54, 0.4);
    color: #f44336;
}

body.has-custom-bg .action-button.danger:hover,
.subscription-container .action-button.danger:hover {
    background: rgba(244, 67, 54, 0.25);
    border: 1px solid rgba(244, 67, 54, 0.6);
}

.action-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.9);
}

/* 添加订阅按钮样式 */
.add-subscription {
    background: rgba(255, 255, 255, 0.2);
    color: #333;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

/* 订阅页面添加订阅按钮特殊样式 */
body.has-custom-bg .add-subscription,
.subscription-container .add-subscription {
    background: rgba(76, 175, 80, 0.15);
    border: 1px solid rgba(76, 175, 80, 0.4);
    color: #4caf50;
    text-shadow: none;
}

body.has-custom-bg .add-subscription:hover,
.subscription-container .add-subscription:hover {
    background: rgba(76, 175, 80, 0.25);
    border: 1px solid rgba(76, 175, 80, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
}

.add-subscription:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.9);
}

/* 配置按钮样式 */
#exportConfigBtn,
#importConfigBtn {
    background: rgba(255, 255, 255, 0.2);
    color: #333;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 5px;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

#exportConfigBtn:hover,
#importConfigBtn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.9);
}

#exportConfigBtn:disabled {
    background: rgba(108, 117, 125, 0.2);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 订阅页面配置按钮特殊样式 */
body.has-custom-bg #exportConfigBtn,
body.has-custom-bg #importConfigBtn,
.subscription-container #exportConfigBtn,
.subscription-container #importConfigBtn {
    background: rgba(102, 126, 234, 0.15);
    border: 1px solid rgba(102, 126, 234, 0.4);
    color: #667eea;
    text-shadow: none;
}

body.has-custom-bg #exportConfigBtn:hover,
body.has-custom-bg #importConfigBtn:hover,
.subscription-container #exportConfigBtn:hover,
.subscription-container #importConfigBtn:hover {
    background: rgba(102, 126, 234, 0.25);
    border: 1px solid rgba(102, 126, 234, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* 导航链接容器 */
.nav-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {

    /* 注意：导航按钮的样式在下面的专门媒体查询中定义，这里只处理其他按钮 */
    .action-button,
    .add-subscription,
    #exportConfigBtn,
    #importConfigBtn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: 8px;
    }
}

/* 超小屏幕进一步优化 */
@media (max-width: 480px) {

    /* 注意：导航按钮的样式在下面的专门媒体查询中定义，这里只处理其他按钮 */
    .action-button,
    .add-subscription,
    #exportConfigBtn,
    #importConfigBtn {
        padding: 6px 12px;
        font-size: 0.75rem;
    }

    .nav-links {
        gap: 6px;
    }
}

/* 导航按钮容器样式 */
.nav-links-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* 桌面端按钮图标样式 */
.nav-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* 桌面端按钮文本保持在一行（隐藏换行符） */
/* 使用媒体查询确保只在桌面端生效 */
@media (min-width: 769px) {
    .nav-link span {
        white-space: nowrap !important;
        display: inline;
    }

    .nav-link span br {
        display: none !important;
    }
}

/* 移动端导航按钮样式 - 自适应列数，最多4列，按钮数量少时居中 */
@media (max-width: 768px) {

    /* 导航按钮容器在移动端自适应列数，最多4列 */
    .header .nav-links-container,
    .nav-links-container,
    .nav-bar .nav-links-container {
        display: grid !important;
        /* 自适应列数：每列最小宽度约25%（最多4列），按钮少时自动减少列数并居中 */
        grid-template-columns: repeat(auto-fit, minmax(calc(25% - 4.5px), 1fr)) !important;
        gap: 6px !important;
        justify-items: center !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        margin-top: 15px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    /* 移动端按钮缩小，文本上下两行各2个字 */
    .header .nav-links-container .nav-link,
    .nav-links-container .nav-link,
    .nav-bar .nav-links-container .nav-link {
        padding: 6px 4px !important;
        font-size: 0.7rem !important;
        border-radius: 12px !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        box-sizing: border-box !important;
        flex-direction: column !important;
        gap: 4px !important;
        line-height: 1.2 !important;
        min-height: 50px !important;
        justify-content: center;
        text-align: center;
        white-space: normal !important;
        word-break: keep-all !important;
    }

    /* 移动端显示换行 */
    .header .nav-links-container .nav-link span,
    .nav-links-container .nav-link span,
    .nav-bar .nav-links-container .nav-link span {
        white-space: normal !important;
    }

    .header .nav-links-container .nav-link span br,
    .nav-links-container .nav-link span br,
    .nav-bar .nav-links-container .nav-link span br {
        display: block !important;
    }

    /* 移动端按钮图标缩小 */
    .header .nav-links-container .nav-link svg,
    .nav-links-container .nav-link svg,
    .nav-bar .nav-links-container .nav-link svg {
        width: 16px !important;
        height: 16px !important;
        flex-shrink: 0;
    }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {

    /* 导航按钮容器在超小屏幕自适应列数，最多4列 */
    .header .nav-links-container,
    .nav-links-container,
    .nav-bar .nav-links-container {
        display: grid !important;
        /* 自适应列数：每列最小宽度约25%（最多4列），按钮少时自动减少列数并居中 */
        grid-template-columns: repeat(auto-fit, minmax(calc(25% - 4.5px), 1fr)) !important;
        gap: 6px !important;
        justify-items: center !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        margin-top: 15px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    /* 超小屏幕按钮缩小，文本上下两行各2个字 */
    .header .nav-links-container .nav-link,
    .nav-links-container .nav-link,
    .nav-bar .nav-links-container .nav-link {
        padding: 6px 4px !important;
        font-size: 0.7rem !important;
        border-radius: 12px !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        box-sizing: border-box !important;
        flex-direction: column !important;
        gap: 4px !important;
        line-height: 1.2 !important;
        min-height: 50px !important;
        justify-content: center;
        text-align: center;
        white-space: normal !important;
        word-break: keep-all !important;
    }

    /* 超小屏幕显示换行 */
    .header .nav-links-container .nav-link span,
    .nav-links-container .nav-link span,
    .nav-bar .nav-links-container .nav-link span {
        white-space: normal !important;
    }

    .header .nav-links-container .nav-link span br,
    .nav-links-container .nav-link span br,
    .nav-bar .nav-links-container .nav-link span br {
        display: block !important;
    }

    /* 超小屏幕按钮图标缩小 */
    .header .nav-links-container .nav-link svg,
    .nav-links-container .nav-link svg,
    .nav-bar .nav-links-container .nav-link svg {
        width: 16px !important;
        height: 16px !important;
        flex-shrink: 0;
    }
}

/* 中等屏幕优化（480px-768px之间） */
@media (min-width: 481px) and (max-width: 768px) {

    /* 导航按钮容器在中等屏幕自适应列数，最多4列 */
    .header .nav-links-container,
    .nav-links-container,
    .nav-bar .nav-links-container {
        display: grid !important;
        /* 自适应列数：每列最小宽度约25%（最多4列），按钮少时自动减少列数并居中 */
        grid-template-columns: repeat(auto-fit, minmax(calc(25% - 4.5px), 1fr)) !important;
        gap: 6px !important;
        justify-items: center !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        margin-top: 15px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    /* 中等屏幕按钮样式 */
    .header .nav-links-container .nav-link,
    .nav-links-container .nav-link,
    .nav-bar .nav-links-container .nav-link {
        padding: 6px 8px !important;
        font-size: 0.75rem !important;
        border-radius: 12px !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        box-sizing: border-box !important;
        justify-content: center;
    }

    /* 中等屏幕按钮图标缩小 */
    .header .nav-links-container .nav-link svg,
    .nav-links-container .nav-link svg,
    .nav-bar .nav-links-container .nav-link svg {
        width: 14px !important;
        height: 14px !important;
    }
}

/* 导航按钮SVG图标样式 - 统一所有页面的导航按钮图标 */

/* 导航按钮SVG基础样式 */
.nav-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

/* 导航按钮SVG路径基础样式 */
.nav-link svg path {
    fill: currentColor;
    transition: fill 0.3s ease;
}

/* 返回主页图标 - 深蓝色 */
.nav-link[href*="index.html"] svg path,
.nav-link.nav-icon-home svg path {
    fill: #1976D2 !important;
}

/* 下载文件图标 - 蓝色 */
.nav-link[href*="downloads"] svg path,
.nav-link[data-section="downloads"] svg path,
.nav-link.nav-icon-downloads svg path {
    fill: #2196F3 !important;
}

/* 文件列表图标 - 橙色 */
.nav-link[data-section="files"] svg path,
.nav-link.nav-icon-files svg path {
    fill: #FF6B35 !important;
}

/* 随机播放图标 - 绿色 */
.nav-link[href*="random-player"] svg path,
.nav-link.nav-icon-random svg path {
    fill: #4CAF50 !important;
}

/* 社区发现图标 - 紫色 */
.nav-link[href*="community"] svg path,
.nav-link.nav-icon-community svg path {
    fill: #9C27B0 !important;
}

/* 电报群组图标 - 天蓝色 */
.nav-link[href*="t.me"] svg path,
.nav-link.nav-icon-telegram svg path {
    fill: #29B6F6 !important;
}

/* 高级授权图标 - 橙色 */
.nav-link[href*="afdian"] svg path,
.nav-link.nav-icon-premium svg path {
    fill: #FF9800 !important;
}

/* 背景设置图标 - 粉色 */
.nav-link#bgSettingBtn svg path,
.nav-link.nav-icon-settings svg path {
    fill: #E91E63 !important;
}

/* 免责声明图标 - 灰色 */
.nav-link[onclick*="showDisclaimer"] svg path,
.nav-link.nav-icon-disclaimer svg path {
    fill: #757575 !important;
}

/* 导航按钮悬停时图标效果 */
.nav-link:hover svg {
    transform: scale(1.1);
}