/*
 * 活动详情页专用样式 - CSS Grid自适应布局方案
 * 彻底解决信息框覆盖问题
 * 强制确保头部图片贴顶显示
 */

/* 最高优先级贴顶样式 - 针对生产环境 */
html {
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    outline: none !important;
}

body {
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    outline: none !important;
    position: relative !important;
}

body.activity-detail-page {
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    outline: none !important;
    position: relative !important;
    top: 0 !important;
}

/* 覆盖所有可能的外部样式影响 */
.activity-detail-page,
.activity-detail-page *,
.activity-detail-page .container,
.activity-detail-page .container-fluid,
.activity-detail-page main,
.activity-detail-page .content,
.activity-detail-page .wrapper {
    margin-top: 0 !important;
    padding-top: 0 !important;
    border-top: none !important;
}

/* 全局重置 - 强制贴顶 */
* {
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
}

html, body {
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    height: 100% !important;
    overflow-x: hidden !important;
    background: #f8f9fa !important;
    position: relative !important;
}

/* 强制移除所有可能的顶部间距 */
body.activity-detail-page {
    margin-top: 0 !important;
    padding-top: 0 !important;
    border-top: none !important;
}

/* 移除Django模板可能带来的容器间距 */
.activity-detail-page .container,
.activity-detail-page .container-fluid,
.activity-detail-page main,
.activity-detail-page .content,
.activity-detail-page .wrapper {
    margin-top: 0 !important;
    padding-top: 0 !important;
    border-top: none !important;
}

/* 活动详情页容器 */
.activity-detail-page {
    margin: 0 !important;
    padding: 0 !important;
    background: #f8f9fa !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
    line-height: 1.6 !important;
    color: #333 !important;
    overflow-x: hidden !important;
    position: relative !important;
    width: 100% !important;
    min-height: 100vh !important;
}

/* 禁用外部样式 */
.activity-detail-page .container, 
.activity-detail-page .container-fluid, 
.activity-detail-page main, 
.activity-detail-page .row, 
.activity-detail-page .col {
    all: unset !important;
    margin: 0 !important;
    padding: 0 !important;
    width: auto !important;
    max-width: none !important;
    flex: none !important;
    display: block !important;
}

/* 主容器 - 使用CSS Grid布局避免重叠 */
.activity-detail-page .activity-page-container {
    display: grid !important;
    grid-template-rows: auto auto 1fr !important;
    grid-template-areas: 
        "header"
        "info"
        "content" !important;
    width: 100% !important;
    min-height: 100vh !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow-x: hidden !important;
    gap: 20px !important;
    align-items: start !important;
    position: relative !important;
    top: 0 !important;
    left: 0 !important;
}

/* 头部图片区域 */
.activity-detail-page .activity-header-image {
    grid-area: header !important;
    position: relative !important;
    width: 50% !important;
    height: auto !important;
    margin: 0 auto !important;
    padding: 0 !important;
    display: block !important;
    line-height: 0 !important;
    background: #fff !important;
    top: 0 !important;
    border: none !important;
    outline: none !important;
}

/* 头部图片 - 电脑端自适应50%屏幕宽度，保持完整显示且高度自适应 */
.activity-detail-page .activity-cover-img {
    width: 100% !important;
    height: auto !important;
    display: block !important;
    object-fit: contain !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    outline: none !important;
    line-height: 0 !important;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%) !important;
}

/* 移动端样式 - 全屏宽度，无边距 */
@media screen and (max-width: 767px) {
    .activity-detail-page .activity-page-container {
        width: 100vw !important;
    }
    
    /* 移动端保持100%宽度 */
    .activity-detail-page .activity-header-image {
        width: 100vw !important;
        position: relative !important;
        left: 50% !important;
        right: 50% !important;
        margin-left: -50vw !important;
        margin-right: -50vw !important;
        overflow: hidden !important;
    }
    
    .activity-detail-page .activity-cover-img {
        width: 100vw !important;
    }
    
    /* 移动端活动详情容器无边距 */
    .activity-detail-page .activity-detail-container {
        padding: 0 !important;
        width: 95% !important;
    }
}

/* 电脑端样式 - 调整头部图片为全屏宽度，无边距 */
@media screen and (min-width: 768px) {
    .activity-detail-page .activity-page-container {
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
        background: #fff !important;
    }
    
    .activity-detail-page .activity-header-image {
        width: 50% !important;
        max-width: none !important;
        margin: 0 auto !important;
        background: #fff !important;
        position: relative !important;
    }
    
    .activity-detail-page .activity-cover-img {
        width: 100% !important;
        height: auto !important;
        object-fit: contain !important;
    }
}

/* 信息框区域 - 独立网格区域，不覆盖其他内容 */
.activity-detail-page .activity-info-box {
    grid-area: info !important;
    width: 90% !important;
    max-width: 500px !important;
    margin: -50px auto 0 auto !important;
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4) !important;
    border-radius: 24px !important;
    padding: 28px !important;
    z-index: 1000 !important;
    border: 1px solid rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(15px) !important;
    -webkit-backdrop-filter: blur(15px) !important;
    display: block !important;
    position: relative !important;
    transform: none !important;
}

/* 活动详情容器 - 独立网格区域，自动适应内容 - 与信息框宽度一致 */
.activity-detail-page .activity-detail-container {
    grid-area: content !important;
    width: 90% !important;
    max-width: 500px !important;
    margin: 0 auto 140px auto !important;
    padding: 28px !important; /* 添加与信息框相同的内边距，确保内容区域视觉宽度一致 */
    background: #fff !important;
    border-radius: 16px !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1) !important;
    position: relative !important;
    z-index: 2 !important;
    min-height: 200px !important;
    box-sizing: border-box !important;
}

/* 电脑端样式 - 调整内容区域的最大宽度 - 与信息框宽度完全一致 */
@media screen and (min-width: 768px) and (max-width: 991px) {
    .activity-detail-page .activity-info-box {
        max-width: 800px !important;
        width: 90% !important;
        margin: -50px auto 0 auto !important;
    }
    
    .activity-detail-page .activity-detail-container {
        max-width: 800px !important;
        width: 90% !important;
        padding: 28px !important;
        box-sizing: border-box !important;
        margin: 0 auto 140px auto !important;
    }
}

/* 大屏幕电脑端样式 - 中间50%内容，两边各25%空白 */
@media screen and (min-width: 992px) {
    /* 头部图片设置为屏幕50%宽度，两边各留25%空白 */
    .activity-detail-page .activity-header-image {
        width: 50% !important;
        margin: 0 auto !important;
    }
    
    /* 活动详情页容器设置最大宽度为50% */
    .activity-detail-page .activity-info-box {
        max-width: 50% !important;
        width: 50% !important;
        margin: -50px auto 0 auto !important;
    }
    
    .activity-detail-page .activity-detail-container {
        max-width: 50% !important;
        width: 50% !important;
        padding: 28px !important;
        box-sizing: border-box !important;
        margin: 0 auto 140px auto !important;
    }
    
    /* 底部按钮容器保持居中 */
    .activity-detail-page .button-container {
        max-width: 50% !important;
    }
}

/* 返回按钮 - 隐藏 */
.activity-detail-page .back-button {
    display: none !important;
}

/* 底部按钮 */
.activity-detail-page .activity-bottom-buttons {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    background: #ffffff !important;
    padding: 16px !important;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1) !important;
    z-index: 1500 !important;
    border-top: 1px solid #e9ecef !important;
}

.activity-detail-page .button-container {
    display: flex !important;
    gap: 12px !important;
    max-width: 400px !important;
    margin: 0 auto !important;
}

.activity-detail-page .share-btn, 
.activity-detail-page .register-btn {
    flex: 1 !important;
    padding: 14px 20px !important;
    border-radius: 10px !important;
    font-weight: 600 !important;
    border: none !important;
    cursor: pointer !important;
    font-size: 15px !important;
    text-align: center !important;
    transition: all 0.3s ease !important;
}

.activity-detail-page .share-btn {
    background: #f8f9fa !important;
    color: #6c757d !important;
    border: 2px solid #dee2e6 !important;
}

.activity-detail-page .share-btn:hover {
    background: #e9ecef !important;
    border-color: #adb5bd !important;
}

.activity-detail-page .register-btn {
    background: #007bff !important;
    color: white !important;
}

.activity-detail-page .register-btn:hover {
    background: #0056b3 !important;
    transform: translateY(-1px) !important;
}

/* 价格和报名状态区域样式 */
.activity-detail-page .activity-price-register {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding: 0 !important;
}

.activity-detail-page .activity-price {
    font-size: 22px !important;
    font-weight: 700 !important;
    color: #ff6b6b !important;
    margin: 0 !important;
    padding: 0 !important;
    display: flex;
    align-items: center;
}

.activity-detail-page .activity-price::before {
    content: "¥";
    margin-right: 2px !important;
    font-size: 22px !important;
    font-weight: 700 !important;
    color: #ff6b6b !important;
}

.activity-detail-page .register-status {
    font-size: 14px !important;
    color: #6c757d !important;
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%) !important;
    padding: 6px 12px !important;
    border-radius: 16px !important;
    margin: 0 !important;
    border: 1px solid #ffeaa7 !important;
}

.activity-detail-page .register-status:contains('报名已结束') {
    color: #dc3545 !important;
    font-weight: 600 !important;
}

/* 文字内容样式 */
.activity-detail-page .activity-title {
    font-size: 22px !important;
    color: #333 !important;
    line-height: 1.4 !important;
    margin-bottom: 12px !important;
    font-weight: 700 !important;
    word-wrap: break-word !important;
    padding: 0 !important;
    display: block !important;
}

.activity-detail-page .activity-summary {
    font-size: 15px !important;
    line-height: 1.6 !important;
    color: #666 !important;
    margin-bottom: 16px !important;
    word-wrap: break-word !important;
    padding: 0 !important;
    display: block !important;
}

.activity-detail-page .activity-time-info {
    display: flex !important;
    align-items: center !important;
    margin-bottom: 8px !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    padding: 0 !important;
}

.activity-detail-page .time-badge-container {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    flex-wrap: wrap !important;
    background: #f8f9fa !important;
    padding: 8px 16px !important;
    border-radius: 8px !important;
    width: 100% !important;
}

.activity-detail-page .time-badge {
    background: #f8f9fa !important;
    color: #6c757d !important;
    padding: 6px 12px !important;
    border-radius: 6px !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    margin: 0 !important;
    display: inline-block !important;
}

.activity-detail-page .time-value {
    font-size: 15px !important;
    color: #333 !important;
    font-weight: 600 !important;
    margin: 0 !important;
    padding: 0 !important;
    display: inline-block !important;
}

.activity-detail-page .activity-detail-title {
    text-align: center !important;
    font-size: 20px !important;
    font-weight: 700 !important;
    color: #333 !important;
    margin-bottom: 24px !important;
    padding: 0 !important;
    display: block !important;
}

.activity-detail-page .activity-detail-content {
    font-size: 16px !important;
    line-height: 1.8 !important;
    color: #333 !important;
    word-wrap: break-word !important;
    padding: 0 !important;
    margin: 0 !important;
    display: block !important;
    position: relative !important;
    z-index: 3 !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.activity-detail-page .activity-detail-content img {
    width: 100% !important;
    height: auto !important;
    margin: 16px 0 !important;
    border-radius: 10px !important;
    object-fit: cover !important;
    padding: 0 !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
    display: block !important;
    box-sizing: border-box !important;
    max-width: 100% !important;
    left: 0 !important;
    right: 0 !important;
}

.activity-detail-page .activity-detail-content p {
    margin-bottom: 16px !important;
    padding: 0 !important;
    line-height: 1.8 !important;
    display: block !important;
    position: relative !important;
    z-index: 3 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

.activity-detail-page .activity-detail-content ul, 
.activity-detail-page .activity-detail-content ol {
    margin: 16px 0 !important;
    padding-left: 20px !important;
    display: block !important;
    position: relative !important;
    z-index: 3 !important;
}

.activity-detail-page .activity-detail-content li {
    margin-bottom: 8px !important;
    line-height: 1.6 !important;
    display: list-item !important;
    position: relative !important;
    z-index: 3 !important;
}

.activity-detail-page .activity-detail-content h1,
.activity-detail-page .activity-detail-content h2,
.activity-detail-page .activity-detail-content h3,
.activity-detail-page .activity-detail-content h4,
.activity-detail-page .activity-detail-content h5,
.activity-detail-page .activity-detail-content h6 {
    margin: 20px 0 12px 0 !important;
    font-weight: 700 !important;
    color: #333 !important;
    line-height: 1.4 !important;
    position: relative !important;
    z-index: 3 !important;
}

/* 移动端优化 - 适配小屏幕设备，强制贴顶 */
@media screen and (max-width: 768px) {
    /* 移动端强制贴顶 */
    body.activity-detail-page {
        margin: 0 !important;
        padding: 0 !important;
        position: relative !important;
        top: 0 !important;
    }
    
    .activity-detail-page .activity-page-container {
        gap: 15px !important;
        margin-top: 0 !important;
        padding-top: 0 !important;
        position: relative !important;
        top: 0 !important;
    }
    
    /* 移动端头部图片强制贴顶 */
    .activity-detail-page .activity-header-image {
        margin-top: 0 !important;
        padding-top: 0 !important;
        top: 0 !important;
        position: relative !important;
    }
    
    .activity-detail-page .activity-cover-img {
        margin-top: 0 !important;
        padding-top: 0 !important;
        min-height: 250px !important;
        max-height: 50vh !important;
        top: 0 !important;
        position: relative !important;
    }
    .activity-detail-page .activity-page-container {
        gap: 15px !important;
    }
    
    .activity-detail-page .activity-info-box {
        width: 94% !important;
        margin: -40px auto 0 auto !important;
        padding: 22px !important;
        border-radius: 20px !important;
    }
    
    .activity-detail-page .activity-detail-container {
        width: 94% !important;
        margin: 0 auto 130px auto !important;
        padding: 20px !important;
    }
    
    .activity-detail-page .activity-title {
        font-size: 20px !important;
    }
    
    .activity-detail-page .activity-summary {
        font-size: 14px !important;
    }
    
    .activity-detail-page .activity-detail-title {
        font-size: 18px !important;
    }
    
    .activity-detail-page .activity-detail-content {
        font-size: 15px !important;
    }
    
    .activity-detail-page .share-btn, 
    .activity-detail-page .register-btn {
        padding: 12px 16px !important;
        font-size: 14px !important;
    }
    
    .activity-detail-page .activity-cover-img {
        min-height: 250px !important;
        max-height: 50vh !important;
    }
}

/* 强制覆盖所有Bootstrap和外部样式 */
.activity-detail-page .btn, 
.activity-detail-page .btn-primary, 
.activity-detail-page .btn-outline-primary {
    all: unset !important;
}