/* ========================================
   全站统一样式 - 保留原始视频卡片样式
   ======================================== */

:root {
    /* 主色调 - 保留原始粉红色 */
    --primary: #ff0066;
    --primary-hover: #e60059;
    --primary-light: #ff3385;
    
    /* 背景色 */
    --bg-dark: #0a0a0a;
    --bg-card: #1a1a1a;
    --bg-secondary: #141414;
    --bg-hover: #222222;
    
    /* 文字颜色 */
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #666666;
    
    /* 边框和圆角 */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-radius: 12px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 24px rgba(255, 0, 102, 0.3);
    
    /* 间距 */
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
}

/* ========================================
   全局样式
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ========================================
   导航栏
   ======================================== */

.navbar, .header {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container, .header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

/* Logo */
.logo {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
    transition: transform 0.2s;
}

.logo:hover {
    transform: scale(1.05);
}

/* 搜索框 */
.nav-search {
    flex: 1;
    max-width: 500px;
}

.nav-search form {
    display: flex;
    gap: var(--space-sm);
}

.search-input {
    flex: 1;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    color: white;
    font-size: 15px;
    transition: border-color 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.search-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

/* 导航菜单 */
.nav, .nav-menu {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
    align-items: center;
}

.nav a, .nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav a:hover, .nav-link:hover {
    color: var(--primary);
}

.btn-vip {
    background: var(--primary);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-vip:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

/* ========================================
   容器和布局
   ======================================== */

.page-container {
    min-height: calc(100vh - 200px);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ========================================
   视频网格 - 保留原始样式
   ======================================== */

.video-grid, .videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-lg);
    padding: var(--space-xl) 0;
}

.video-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.video-thumbnail {
    position: relative;
    padding-top: 56.25%; /* 16:9 */
    background: #000;
    overflow: hidden;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.8);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.video-info {
    padding: var(--space-md);
}

.video-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-secondary);
    font-size: 13px;
}

.video-views, .video-date {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ========================================
   按钮系统
   ======================================== */

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-hover);
}

/* ========================================
   表单元素
   ======================================== */

input[type=text],
input[type=email],
input[type=password],
textarea,
select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 15px;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
}

/* ========================================
   分页
   ======================================== */

.pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-xl) 0;
}

.pagination a,
.pagination span {
    padding: 8px 16px;
    background: var(--bg-card);
    border-radius: 8px;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.pagination a:hover {
    background: var(--bg-hover);
    color: var(--primary);
}

.pagination .active {
    background: var(--primary);
    color: white;
}

/* ========================================
   Footer - 现代化布局
   ======================================== */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: var(--space-xl);
    padding: var(--space-xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 14px;
}

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

@media (max-width: 768px) {
    .nav-container, .header-content {
        flex-wrap: wrap;
    }
    
    .nav-search {
        order: 3;
        width: 100%;
        max-width: none;
        margin-top: var(--space-md);
    }
    
    .video-grid, .videos-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: var(--space-md);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   滚动条
   ======================================== */

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ========================================
   选中文本
   ======================================== */

::selection {
    background: var(--primary);
    color: white;
}

/* ========================================
   语言切换器 - 点击展开
   ======================================== */

.language-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn:hover {
    background: var(--bg-hover);
    border-color: var(--primary);
    color: var(--text-primary);
}

.lang-btn svg {
    opacity: 0.7;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.lang-option:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-left-color: var(--primary);
}

.lang-option.active {
    background: rgba(255, 0, 102, 0.1);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 600;
}

@media (max-width: 768px) {
    .lang-dropdown {
        right: auto;
        left: 0;
    }
}