/* 自定义样式以改进空行显示 */
.memos__text p {
    margin-bottom: 1em;
}

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

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

/* Markdown高亮语法样式 */
.memos__text mark {
    background-color: #ffee9f;
    color: #333;
    padding: 0 3px;
    border-radius: 3px;
    box-decoration-break: clone;
}

/* 暗色模式下的高亮样式 */
body.dark-theme .memos__text mark {
    background-color: #665c2a;
    color: #f8f8f8;
}

/* Mermaid 图表样式 */
.mermaid {
    margin: 1.5em 0;
    text-align: center;
    overflow: auto;
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 8px;
    max-width: 100%;
}

/* 暗色模式下的 Mermaid 图表样式 */
body.dark-theme .mermaid {
    background-color: #2d333b;
}

/* Mermaid 图表文本颜色 */
.mermaid text {
    font-family: 'Source Sans Pro', sans-serif !important;
    font-size: 14px !important;
}

/* Mermaid SVG 样式 */
.mermaid svg {
    max-width: 100%;
    height: auto !important;
}

/* 确保空段落显示 */
.memos__text p:empty,
.memos__text p.empty-line {
    min-height: 1em;
    display: block;
    margin: 0.75em 0;
}

/* 移除卡片首尾的空行 */
.memos__text p:first-child:empty,
.memos__text p:first-child.empty-line {
    display: none;
    margin: 0;
}

.memos__text p:last-child:empty,
.memos__text p:last-child.empty-line {
    display: none;
    margin: 0;
}

/* 对于特定的空格占位符 */
.memos__text p:has(br + br) {
    min-height: 2em;
}

/* 改进段落间间距 */
.memos__text {
    line-height: 1.75rem !important;
    padding: 1rem 0.75rem 1rem 1rem;
}

/* 在黑暗模式下调整 */
body.dark-theme .memos__text p:empty,
body.dark-theme .memos__text p.empty-line {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    margin: 0.75em 0;
}

/* 黑暗模式下同样移除首尾空行 */
body.dark-theme .memos__text p:first-child:empty,
body.dark-theme .memos__text p:first-child.empty-line,
body.dark-theme .memos__text p:last-child:empty,
body.dark-theme .memos__text p:last-child.empty-line {
    display: none;
    margin: 0;
    border-bottom: none;
}

/* 标签筛选相关样式 */
#tag-filter {
    background-color: var(--color-text-bg);
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.clear-filter {
    margin-left: 8px;
    font-size: 12px;
    color: #718096;
}

.clear-filter a {
    color: #718096;
    text-decoration: none;
}

.clear-filter a:hover {
    text-decoration: underline;
    color: var(--color-tag-hover);
}

/* 加载状态样式 */
p.loading {
    text-align: center;
    padding: 20px;
    color: #718096;
}

p.loading:after {
    content: "...";
    animation: loading-dots 1.5s infinite;
}

@keyframes loading-dots {
    0% { content: "."; }
    33% { content: ".."; }
    66% { content: "..."; }
}

/* 错误和空数据状态样式 */
p.error-text, p.empty-data {
    text-align: center;
    padding: 20px;
    border-radius: 8px;
}

p.error-text {
    background-color: rgba(254, 226, 226, 0.3);
    color: #dc2626;
}

p.empty-data {
    background-color: var(--color-text-bg);
    color: #718096;
}