/* 
 * 服务器公告内容专用CSS
 * 独立管理公告显示样式，确保内容正确显示
 */

/* 公告内容容器 */
.announcement-content {
    padding: 2rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    min-height: 150px;
    position: relative;
    line-height: 1.8;
    font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
    color: #2c3e50;
}

/* 公告项目样式 */
.announcement-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 1px solid #e1e8ed;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.announcement-item:last-child {
    margin-bottom: 0;
}

.announcement-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border-color: #3498db;
}

/* 公告项目类型样式 */
.announcement-item.hot {
    border-left: 4px solid #e74c3c;
    background: linear-gradient(135deg, #fdf2f2 0%, #fef9f9 100%);
}

.announcement-item.new {
    border-left: 4px solid #27ae60;
    background: linear-gradient(135deg, #f1f8f4 0%, #f8fcfa 100%);
}

.announcement-item.event {
    border-left: 4px solid #9b59b6;
    background: linear-gradient(135deg, #f7f3f9 0%, #fbf8fc 100%);
}

.announcement-item.notice {
    border-left: 4px solid #f39c12;
    background: linear-gradient(135deg, #fef9f3 0%, #fffcf8 100%);
}

/* 公告标签样式 */
.announcement-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.announcement-item.hot .announcement-tag {
    background: #e74c3c;
    color: white;
}

.announcement-item.new .announcement-tag {
    background: #27ae60;
    color: white;
}

.announcement-item.event .announcement-tag {
    background: #9b59b6;
    color: white;
}

.announcement-item.notice .announcement-tag {
    background: #f39c12;
    color: white;
}

/* 公告内容文本样式 */
.announcement-content p {
    margin: 1rem 0;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #34495e;
    text-align: left;
    white-space: pre-wrap; /* 保持换行格式 */
    word-wrap: break-word;
}

.announcement-content p:first-child {
    margin-top: 0;
}

.announcement-content p:last-child {
    margin-bottom: 0;
}

/* 公告标题样式 */
.announcement-content h1,
.announcement-content h2,
.announcement-content h3,
.announcement-content h4 {
    color: #2c3e50;
    margin: 1.5rem 0 1rem 0;
    font-weight: 600;
    line-height: 1.4;
}

.announcement-content h1 {
    font-size: 1.4rem;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
}

.announcement-content h2 {
    font-size: 1.2rem;
    color: #e74c3c;
}

.announcement-content h3 {
    font-size: 1.1rem;
    color: #f39c12;
}

/* 公告列表样式 */
.announcement-content ul,
.announcement-content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.announcement-content li {
    margin: 0.5rem 0;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 公告强调文本 */
.announcement-content strong,
.announcement-content b {
    color: #e74c3c;
    font-weight: 700;
}

.announcement-content em,
.announcement-content i {
    color: #8e44ad;
    font-style: italic;
}

/* 公告代码块 */
.announcement-content code {
    background: #ecf0f1;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: #2c3e50;
    border: 1px solid #bdc3c7;
}

.announcement-content pre {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
    margin: 1rem 0;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.4;
}

/* 公告链接样式 */
.announcement-content a {
    color: #3498db;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.announcement-content a:hover {
    color: #2980b9;
    border-bottom-color: #2980b9;
}

/* 公告分割线 */
.announcement-content hr {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, #bdc3c7 50%, transparent 100%);
    margin: 2rem 0;
}

/* 公告引用块 */
.announcement-content blockquote {
    border-left: 4px solid #3498db;
    padding: 1rem 1.5rem;
    margin: 1rem 0;
    background: #ecf0f1;
    font-style: italic;
    border-radius: 0 5px 5px 0;
}

/* 公告时间戳 */
.announcement-timestamp {
    color: #7f8c8d;
    font-size: 0.7rem;
    text-align: right;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #ecf0f1;
    font-style: italic;
}

/* 公告优先级标识 */
.announcement-priority {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.announcement-priority.high {
    background: #e74c3c;
    color: white;
}

.announcement-priority.medium {
    background: #f39c12;
    color: white;
}

.announcement-priority.low {
    background: #27ae60;
    color: white;
}

/* 公告表格样式 */
.announcement-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.8rem;
}

.announcement-content th,
.announcement-content td {
    border: 1px solid #bdc3c7;
    padding: 0.8rem;
    text-align: left;
}

.announcement-content th {
    background: #34495e;
    color: white;
    font-weight: 600;
}

.announcement-content tr:nth-child(even) {
    background: #f8f9fa;
}

/* 空公告状态 */
.announcement-content.empty {
    text-align: center;
    color: #7f8c8d;
    font-style: italic;
    padding: 3rem 2rem;
}

.announcement-content.empty::before {
    content: "📢";
    display: block;
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .announcement-content {
        padding: 1.5rem;
        font-size: 0.8rem;
    }
    
    .announcement-content h1 {
        font-size: 1.2rem;
    }
    
    .announcement-content h2 {
        font-size: 1.1rem;
    }
    
    .announcement-content h3 {
        font-size: 1rem;
    }
    
    .announcement-content ul,
    .announcement-content ol {
        padding-left: 1.5rem;
    }
    
    .announcement-content table {
        font-size: 0.7rem;
    }
    
    .announcement-content th,
    .announcement-content td {
        padding: 0.5rem;
    }
}

/* 公告加载动画 */
.announcement-content.loading {
    background: linear-gradient(90deg, #f8f9fa 25%, #ecf0f1 50%, #f8f9fa 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* 公告内容淡入效果 */
.announcement-content.loaded {
    animation: fadeInContent 0.5s ease-out;
}

@keyframes fadeInContent {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}