/*
 * components.css — 跨页组件
 * 页脚文案、排序/视图按钮、视频弹窗、相片预览灯箱。
 * 模块专属样式见 pages/*.css。加载顺序：common.css → theme.css → components.css。
 */

/* 顶栏：文档流页头，背景透明，与页面渐变一体 */
.page-navbar.navbar {
    position: static;
    min-height: 56px;
    padding: 12px 20px;
    flex-wrap: nowrap;
    align-items: center;
    background: transparent !important;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
}

.page-navbar .navbar-brand {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.4;
    padding: 0;
    margin-right: 16px;
    white-space: nowrap;
}

.page-navbar .page-breadcrumb,
.page-navbar > [aria-label="breadcrumb"] {
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
}

.page-navbar .breadcrumb {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 !important;
    padding: 0 !important;
    background: transparent !important;
}

.page-navbar .breadcrumb-item,
.page-navbar .breadcrumb-item a,
.page-navbar .breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.92);
    font-size: 1rem;
    line-height: 1.4;
    white-space: nowrap;
}

.page-navbar .breadcrumb-item a:hover {
    color: #fff;
    text-decoration: none;
}

.page-navbar .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.45);
}

/* 未换肤的旧页（日记等）仍用深色条，避免白字落在浅底上 */

@media (max-width: 576px) {
    .page-navbar .navbar-brand {
        font-size: 1.1rem;
    }

    .page-navbar .breadcrumb-item,
    .page-navbar .breadcrumb-item a,
    .page-navbar .breadcrumb-item.active {
        font-size: 0.95rem;
    }
}

/* 页尾签名：跟在正文后面，不再钉在视口底 */
.page-footer,
.index-footer,
.messages-footer,
.footer-messages,
.blogs-footer,
.bloginfo-footer,
.footer-boards,
.boards-footer,
.shares-footer,
.favorites-footer,
.friends-footer,
.visitors-footer,
.footer-albums,
.footer-videos,
.footer-diaries {
    position: static;
    background: transparent;
    backdrop-filter: none;
    padding: 28px 16px 20px;
    text-align: center;
    z-index: auto;
}

.footer-text,
.page-footer .text-white,
.index-footer .text-white,
.messages-footer .text-white,
.footer-messages .text-white,
.blogs-footer .text-white,
.bloginfo-footer .text-white,
.footer-boards .text-white,
.boards-footer .text-white,
.favorites-footer .text-white,
.friends-footer .text-white,
.visitors-footer .text-white,
.footer-albums .text-white,
.footer-videos .text-white,
.footer-diaries .text-white {
    font-size: 13px;
    letter-spacing: 0.4px;
    color: rgba(255, 255, 255, 0.78);
}

/* 排序 / 视图切换（说说、日志、相册、好友共用） */
.sort-btn {
    padding: 10px 16px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 20px;
    background: #fff;
    font-size: 13px;
    color: #4a5568;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sort-btn:hover,
.sort-btn.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    border-color: transparent;
}

.view-toggle {
    display: flex;
    gap: 8px;
}

.view-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 10px;
    background: #fff;
    color: #718096;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-btn:hover,
.view-btn.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    border-color: transparent;
}

/* 视频弹窗（videos.js 动态注入） */

/* 视频预览遮罩层 */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-modal.show {
    opacity: 1;
}

/* 关闭时禁用 transform 动画，只做淡出 */
.video-modal.closing {
    opacity: 0;
}

.video-modal.closing .video-modal-content {
    transform: scale(1) translateY(0);
}

/* 左右导航按钮 - 相对于视频弹窗容器定位，保持位置稳定 - 红色主题 */
.video-nav-btn {
    position: absolute;
    /* 垂直居中 */
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.video-nav-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
}

.video-nav-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.video-nav-prev {
    left: 15px;
}

.video-nav-next {
    right: 15px;
}

/* 视频弹窗容器 */
.video-modal-content {
    position: relative;
    background: linear-gradient(145deg, #1e1e1e, #2d2d2d);
    border-radius: 20px;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255,255,255,0.1);
    width: 90vw;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-modal.show .video-modal-content {
    transform: scale(1) translateY(0);
}

/* 视频弹窗头部工具栏 - 红色主题 #ff6b6b */
.video-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    border-bottom: none;
}

.video-modal-title {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.video-modal-counter {
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    font-weight: 500;
    padding: 4px 12px;
    background: rgba(255,255,255,0.15);
    border-radius: 12px;
}

.video-modal-actions {
    display: flex;
    gap: 10px;
}

.video-modal-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 10px;
    background: rgba(255,255,255,0.2);
    color: #fff;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 14px;
    backdrop-filter: blur(10px);
}

.video-modal-btn:hover {
    background: rgba(255,255,255,0.3);
    transform: scale(1.1);
}

.video-modal-btn.btn-close-video {
    background: rgba(255,100,100,0.4);
}

.video-modal-btn.btn-close-video:hover {
    background: rgba(255,100,100,0.6);
}

.video-modal-btn.btn-download-video {
    background: rgba(100,255,150,0.4);
}

.video-modal-btn.btn-download-video:hover {
    background: rgba(100,255,150,0.6);
}

.video-modal-btn.btn-fullscreen-video {
    background: rgba(100,200,255,0.4);
}

.video-modal-btn.btn-fullscreen-video:hover {
    background: rgba(100,200,255,0.6);
}

/* 视频内容区域 */
.video-modal-body {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px;
    overflow: hidden;
    background: radial-gradient(ellipse at center, #2a2a2a 0%, #1a1a1a 100%);
    position: relative;
}

#modalVideo {
    width: 100%;
    max-height: 70vh;
    border-radius: 6px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

/* 视频弹窗底部信息栏 */
.video-modal-footer {
    padding: 12px 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(30,30,30,0.85) 100%);
    border-top: 1px solid rgba(255,255,255,0.08);
}

.video-modal-info {
    color: #aaa;
    font-size: 12px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.video-modal-info .info-item {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    background: rgba(255,255,255,0.06);
    border-radius: 16px;
    transition: all 0.2s ease;
}

.video-modal-info .info-item:hover {
    background: rgba(255,255,255,0.1);
}

.video-modal-info .info-item i {
    color: #ff6b6b;
}

.video-modal-info .info-likes i {
    color: #ff6b6b;
}

.video-modal-info .info-comments i {
    color: #ffeaa7;
}

/* 页内全屏模式 */
.video-modal.fullscreen-mode .video-modal-content {
    max-width: 100vw;
    max-height: 100vh;
    width: 100vw;
    height: 100vh;
    border-radius: 0;
}

.video-modal.fullscreen-mode #modalVideo {
    max-width: 100%;
    max-height: calc(100vh - 120px);
}

.video-modal.fullscreen-mode .video-nav-btn {
    width: 50px;
    height: 50px;
    font-size: 20px;
    top: 50%;
}

.video-modal.fullscreen-mode .video-nav-prev {
    left: 30px;
}

.video-modal.fullscreen-mode .video-nav-next {
    right: 30px;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .video-modal-content {
        width: 95vw;
        max-width: none;
        border-radius: 12px;
    }
    
    #modalVideo {
        max-height: 50vh;
    }
    
    .video-modal-title {
        max-width: 100px;
        font-size: 12px;
    }
    
    .video-modal-counter {
        font-size: 11px;
        padding: 3px 8px;
    }
    
    .video-modal-header {
        padding: 10px 12px;
    }
    
    .video-modal-footer {
        padding: 8px 12px;
    }
    
    .video-modal-body {
        padding: 10px;
    }
    
    .video-modal-info {
        gap: 6px;
    }
    
    .video-modal-info .info-item {
        padding: 4px 8px;
        font-size: 11px;
    }
    
    .video-nav-btn {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .video-nav-prev {
        left: 8px;
    }
    
    .video-nav-next {
        right: 8px;
    }
}

/* 相片/媒体预览灯箱（说说、相册详情共用） */

/* 预览遮罩层 */
.photo-preview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.photo-preview-overlay.show {
    display: flex;
    opacity: 1;
}

/* 预览弹窗容器 */
.photo-preview-modal {
    position: relative;
    background: linear-gradient(145deg, #1e1e1e, #2d2d2d);
    border-radius: 24px;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255,255,255,0.1);
    max-width: 85vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.photo-preview-overlay.show .photo-preview-modal {
    transform: scale(1) translateY(0);
}

/* 页面内全屏模式 */
.photo-preview-overlay.fullscreen-mode .photo-preview-modal {
    max-width: 100vw;
    max-height: 100vh;
    max-height: 100dvh; /* 动态视口高度，适配移动端地址栏 */
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    border-radius: 0;
    box-sizing: border-box;
    /* 关键：确保flex容器不超出视口 */
    overflow: hidden;
}

.photo-preview-overlay.fullscreen-mode .photo-preview-header {
    /* 适配移动端安全区域 - 顶部（刘海屏等） */
    padding-top: max(14px, env(safe-area-inset-top, 14px));
    /* 关键：固定高度，不被压缩也不被拉伸 */
    flex-shrink: 0;
    flex-grow: 0;
}

.photo-preview-overlay.fullscreen-mode .photo-preview-footer {
    /* 适配移动端安全区域 - 底部（iPhone底部指示条等） */
    padding-bottom: max(12px, env(safe-area-inset-bottom, 12px));
    /* 关键：固定高度，不被压缩也不被拉伸 */
    flex-shrink: 0;
    flex-grow: 0;
}

.photo-preview-overlay.fullscreen-mode .photo-preview-content {
    /* 全屏模式下：flex: 1 配合 min-height: 0 实现真正的自适应 */
    flex: 1 1 0;
    min-height: 0;
    overflow: hidden;
}

.photo-preview-overlay.fullscreen-mode .photo-preview-content img,
.photo-preview-overlay.fullscreen-mode .photo-preview-content video {
    /* 全屏模式下：相对于父容器 */
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 预览弹窗头部工具栏 */
.photo-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-bottom: none;
}

.photo-preview-title {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.photo-preview-actions {
    display: flex;
    gap: 10px;
}

.photo-preview-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 10px;
    background: rgba(255,255,255,0.2);
    color: #fff;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 14px;
    backdrop-filter: blur(10px);
}

.photo-preview-btn:hover {
    background: rgba(255,255,255,0.3);
    transform: scale(1.1);
}

.photo-preview-btn.btn-close-preview {
    background: rgba(255,100,100,0.4);
}

.photo-preview-btn.btn-close-preview:hover {
    background: rgba(255,100,100,0.6);
}

.photo-preview-btn.btn-fullscreen {
    background: rgba(100,200,255,0.4);
}

.photo-preview-btn.btn-fullscreen:hover {
    background: rgba(100,200,255,0.6);
}

.photo-preview-btn.btn-download-preview {
    background: rgba(100,255,150,0.4);
}

.photo-preview-btn.btn-download-preview:hover {
    background: rgba(100,255,150,0.6);
}

.photo-preview-btn.btn-rotate {
    background: rgba(150,200,100,0.4);
}

.photo-preview-btn.btn-rotate:hover {
    background: rgba(150,200,100,0.6);
}

/* 预览内容区域 */
.photo-preview-content {
    /* flex: 1 让内容区占据剩余空间 */
    flex: 1 1 auto;
    /* 设置一个合理的最小高度，防止内容塌陷 */
    min-height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
    overflow: hidden;
    min-width: 300px;
    background: radial-gradient(ellipse at center, #2a2a2a 0%, #1a1a1a 100%);
    position: relative;
}

.photo-preview-content img {
    /* 相对于父容器 */
    max-width: 100%;
    max-height: calc(85vh - 150px); /* 回退方案：视口高度减去头部和底部 */
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
    transition: opacity 0.15s ease, transform 0.3s ease;
}

.photo-preview-content img:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.photo-preview-content video {
    /* 相对于父容器 */
    max-width: 100%;
    max-height: calc(85vh - 150px); /* 回退方案：视口高度减去头部和底部 */
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

/* 旋转变换类 */
.photo-preview-content img.rotate-90,
.photo-preview-content video.rotate-90 {
    transform: rotate(-90deg);
}

.photo-preview-content img.rotate-180,
.photo-preview-content video.rotate-180 {
    transform: rotate(-180deg);
}

.photo-preview-content img.rotate-270,
.photo-preview-content video.rotate-270 {
    transform: rotate(-270deg);
}

/* 预览弹窗底部信息栏 */
.photo-preview-footer {
    padding: 12px 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(30,30,30,0.85) 100%);
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
    box-sizing: border-box;
    max-width: 100%;
    overflow: hidden;
}

.photo-preview-info {
    color: #aaa;
    font-size: 12px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    max-width: 100%;
    box-sizing: border-box;
}

.photo-preview-info .info-item {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    background: rgba(255,255,255,0.06);
    border-radius: 16px;
    transition: all 0.2s ease;
}

.photo-preview-info .info-item:hover {
    background: rgba(255,255,255,0.1);
}

.photo-preview-info .info-item i {
    color: #667eea;
}

/* 导航按钮 */
.photo-preview-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 88px;
    background: linear-gradient(135deg, rgba(102,126,234,0.8) 0%, rgba(118,75,162,0.8) 100%);
    border: none;
    color: #fff;
    cursor: pointer;
    font-size: 22px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    opacity: 0.7;
}

.photo-preview-nav:hover {
    opacity: 1;
    width: 58px;
}

.photo-preview-nav.prev {
    left: 0;
    border-radius: 0 14px 14px 0;
}

.photo-preview-nav.next {
    right: 0;
    border-radius: 14px 0 0 14px;
}

.photo-preview-nav:disabled {
    opacity: 0.2;
    cursor: not-allowed;
    background: rgba(100,100,100,0.5);
}

.photo-preview-nav:disabled:hover {
    width: 50px;
}

/* 加载动画 */
.photo-preview-loading {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 14px;
    padding: 14px 22px;
    background: rgba(102,126,234,0.9);
    border-radius: 12px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.8; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
}

.photo-preview-loading.show {
    display: block;
}

/* 点击预览的缩略图hover效果 */
.thumbnail .lightbox-preview {
    cursor: pointer;
    position: relative;
}

.thumbnail .lightbox-preview::after {
    content: '\f00e';
    font-family: 'FontAwesome';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(102,126,234,0.9) 0%, rgba(118,75,162,0.9) 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 18px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    box-shadow: 0 8px 24px rgba(102,126,234,0.4);
}

.thumbnail .lightbox-preview:hover::after {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .photo-preview-modal {
        max-width: 95vw;
        max-height: 90vh;
        max-height: 90dvh; /* 动态视口高度 */
        border-radius: 16px;
    }
    
    /* 移除硬编码的max-height，使用flex布局自动适配 */
    
    .photo-preview-title {
        max-width: 160px;
        font-size: 12px;
    }
    
    .photo-preview-nav {
        width: 40px;
        height: 70px;
        font-size: 16px;
    }
    
    .photo-preview-info {
        flex-direction: column;
        gap: 6px;
    }
    
    .photo-preview-info .info-item {
        padding: 4px 10px;
        font-size: 11px;
    }
    
    .photo-preview-header {
        padding: 10px 14px;
    }
    
    .photo-preview-footer {
        padding: 10px 14px;
    }
    
    .photo-preview-content {
        padding: 14px;
    }
}