/**
 * Memos Showcase - 前端样式
 * 所有样式都可以通过后台设置自定义
 */

/* CSS 变量 - 由 JavaScript 动态设置 */
:root {
    --memos-primary-color: #0070a8;
    --memos-secondary-color: #00bcd4;
    --memos-background-color: #ffffff;
    --memos-text-color: #333333;
    --memos-meta-color: #888888;
    --memos-border-radius: 8px;
    --memos-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --memos-font-size: 15px;
    --memos-line-height: 1.6;
    --memos-gap: 16px;
    --memos-padding: 20px;
    --memos-margin: 20px;
}

/* 基础容器 */
.memos-showcase {
    font-family: var(--memos-font-family);
    margin: var(--memos-margin) 0;
}

.memos-showcase-header {
    margin-bottom: 24px;
    text-align: center;
}

.memos-showcase-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--memos-text-color);
    margin: 0 0 8px 0;
}

.memos-showcase-subtitle {
    font-size: 14px;
    color: var(--memos-meta-color);
    margin: 0;
}

.memos-showcase-content {
    position: relative;
}

/* 链接样式 */
.memo-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.memo-link:hover .memo-item {
    border-color: var(--memos-primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 卡片式 */
.memos-showcase-card .memo-item {
    background: var(--memos-background-color);
    border: 1px solid #eee;
    border-radius: var(--memos-border-radius);
    padding: var(--memos-padding);
    margin-bottom: var(--memos-gap);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* 左侧装饰条 */
.memos-showcase-card .memo-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--memos-primary-color), var(--memos-secondary-color));
}

/* 列表式 */
.memos-showcase-list .memo-item {
    background: var(--memos-background-color);
    border-bottom: 1px solid #eee;
    padding: var(--memos-padding) 0;
}

.memos-showcase-list .memo-item:first-child {
    padding-top: 0;
}

.memos-showcase-list .memo-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* 时间线式 */
.memos-showcase-timeline {
    position: relative;
    padding-left: 24px;
}

.memos-showcase-timeline::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--memos-primary-color), var(--memos-secondary-color));
}

.memos-showcase-timeline .memo-item {
    position: relative;
    background: var(--memos-background-color);
    border: 1px solid #eee;
    border-radius: var(--memos-border-radius);
    padding: var(--memos-padding);
    margin-bottom: var(--memos-gap);
    margin-left: 12px;
}

.memos-showcase-timeline .memo-item::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 24px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--memos-primary-color);
    border: 2px solid var(--memos-background-color);
}

/* 极简式 */
.memos-showcase-minimal .memo-item {
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
}

.memos-showcase-minimal .memo-item:last-child {
    border-bottom: none;
}

/* 内容样式 */
.memo-content {
    font-size: var(--memos-font-size);
    line-height: var(--memos-line-height);
    color: var(--memos-text-color);
    margin-bottom: 12px;
    word-wrap: break-word;
}

.memo-content a {
    color: var(--memos-primary-color);
    text-decoration: none;
    border-bottom: 1px dashed var(--memos-primary-color);
}

.memo-content a:hover {
    color: var(--memos-secondary-color);
    border-bottom-color: var(--memos-secondary-color);
}

.memo-content code {
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
    color: #e83e8c;
}

.memo-content strong {
    font-weight: 600;
}

.memo-content em {
    font-style: italic;
}

/* 元信息 */
.memo-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--memos-meta-color);
}

.memo-date {
    display: flex;
    align-items: center;
    gap: 5px;
}

.memo-date svg {
    width: 14px;
    height: 14px;
    fill: var(--memos-primary-color);
}

.memo-author {
    display: flex;
    align-items: center;
    gap: 5px;
}

.memo-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.memo-tag {
    background: linear-gradient(135deg, var(--memos-primary-color), var(--memos-secondary-color));
    color: #fff;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
}

/* 加载状态 */
.memos-loading {
    text-align: center;
    padding: 40px 20px;
    color: var(--memos-meta-color);
}

.loading-spinner {
    display: inline-block;
    width: 32px;
    height: 32px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--memos-primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 12px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 错误状态 */
.memos-error {
    background: #fff3f3;
    border: 1px solid #ffcdd2;
    border-radius: var(--memos-border-radius);
    padding: 20px;
    text-align: center;
    color: #d32f2f;
}

.memos-error svg {
    width: 24px;
    height: 24px;
    fill: #d32f2f;
    margin-bottom: 8px;
}

/* 空状态 */
.memos-empty {
    background: #f9f9f9;
    border-radius: var(--memos-border-radius);
    padding: 30px;
    text-align: center;
    color: var(--memos-meta-color);
}

.memos-empty svg {
    width: 32px;
    height: 32px;
    fill: var(--memos-meta-color);
    margin-bottom: 12px;
    opacity: 0.5;
}

/* 悬停效果 - 上浮 */
.hover-lift .memo-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

/* 悬停效果 - 阴影 */
.hover-shadow .memo-item:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 悬停效果 - 边框高亮 */
.hover-border .memo-item:hover {
    border-color: var(--memos-primary-color);
}

/* 加载动画 - 淡入 */
.animation-fade .memo-item {
    animation: fadeIn 0.5s ease forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 加载动画 - 滑入 */
.animation-slide .memo-item {
    animation: slideIn 0.5s ease forwards;
    opacity: 0;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 网格布局 */
.memos-layout-grid .memos-showcase-content {
    display: grid;
    grid-template-columns: repeat(var(--memos-columns, 1), 1fr);
    gap: var(--memos-gap);
}

/* 瀑布流布局 */
.memos-layout-masonry .memos-showcase-content {
    column-count: var(--memos-columns, 1);
    column-gap: var(--memos-gap);
}

.memos-layout-masonry .memo-item {
    break-inside: avoid;
    margin-bottom: var(--memos-gap);
}

/* 响应式 */
@media (max-width: 768px) {
    .memos-showcase {
        margin: 15px 0;
    }
    
    .memos-showcase-title {
        font-size: 20px;
    }
    
    .memo-content {
        font-size: calc(var(--memos-font-size) - 1px);
    }
    
    .memo-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .memos-layout-grid .memos-showcase-content {
        grid-template-columns: 1fr !important;
    }
    
    .memos-layout-masonry .memos-showcase-content {
        column-count: 1 !important;
    }
}

/* 打印样式 */
@media print {
    .memos-showcase {
        page-break-inside: avoid;
    }
    
    .memo-item {
        break-inside: avoid;
    }
    
    .memos-loading,
    .memos-error {
        display: none;
    }
}