/*
文件：static/css/creations.css
作用：AI 创作页面专属样式（列表 + 详情）
创建：2026-09-12
作者：大军 + 小军

V1 设计：
- 列表页用博客 A 风格（紧凑 + 6 色 hover）
- 详情页左封面 + 右描述
- 6 个分类色彩（image=blue, video=green, music=orange, tool=red, writing=purple, other=pink）
- 暗色主题支持
- 移动端响应式
*/

/* ============================================
   通用：颜色变量（与 site.css 对齐）
   ============================================ */
:root {
    --color-image: #3b82f6;        /* 蓝 */
    --color-video: #10b981;        /* 绿 */
    --color-music: #f59e0b;        /* 橙 */
    --color-tool: #ef4444;         /* 红 */
    --color-writing: #8b5cf6;      /* 紫 */
    --color-other: #ec4899;        /* 粉 */
}

/* ============================================
   列表页 · Hero 区
   ============================================ */
.creations-hero {
    padding: 80px 0 40px;
    text-align: center;
}

.creations-hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin: 0 0 16px;
    color: var(--color-text);
}

.creations-hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin: 0 0 8px;
}

.creations-hero-count {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin: 0;
    opacity: 0.8;
}

/* ============================================
   列表页 · 作品列表（A 风格 · 6 色 hover）
   ============================================ */
.creations-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--color-border);
    border-radius: 12px;
    overflow: hidden;
}

.creation-item {
    background: var(--color-bg);
    transition: background 0.2s;
}

/* 6 类 hover 色彩（左侧出现色条）*/
.creation-item-image:hover { background: linear-gradient(to right, rgba(59, 130, 246, 0.08) 0%, transparent 100%); }
.creation-item-video:hover { background: linear-gradient(to right, rgba(16, 185, 129, 0.08) 0%, transparent 100%); }
.creation-item-music:hover { background: linear-gradient(to right, rgba(245, 158, 11, 0.08) 0%, transparent 100%); }
.creation-item-tool:hover { background: linear-gradient(to right, rgba(239, 68, 68, 0.08) 0%, transparent 100%); }
.creation-item-writing:hover { background: linear-gradient(to right, rgba(139, 92, 246, 0.08) 0%, transparent 100%); }
.creation-item-other:hover { background: linear-gradient(to right, rgba(236, 72, 153, 0.08) 0%, transparent 100%); }

.creation-link {
    display: grid;
    grid-template-columns: 80px 1fr 40px;
    gap: 20px;
    align-items: center;
    padding: 20px;
    text-decoration: none;
    color: inherit;
}

/* 封面缩略图 */
.creation-cover {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--color-bg-secondary);
}

.creation-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.creation-link:hover .creation-cover img {
    transform: scale(1.05);
}

.creation-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
}

.creation-cover-icon {
    font-size: 2rem;
}

/* 中间内容 */
.creation-body {
    min-width: 0;
}

.creation-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
    font-size: 0.85rem;
}

.creation-tag {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.creation-tag-image { background: var(--color-image); }
.creation-tag-video { background: var(--color-video); }
.creation-tag-music { background: var(--color-music); }
.creation-tag-tool { background: var(--color-tool); }
.creation-tag-writing { background: var(--color-writing); }
.creation-tag-other { background: var(--color-other); }

.creation-date {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

.creation-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0 0 4px;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.creation-excerpt {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* 右侧箭头（hover 滑动）*/
.creation-arrow {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    transition: transform 0.3s;
    text-align: center;
}

.creation-link:hover .creation-arrow {
    transform: translateX(4px);
    color: var(--color-primary);
}

/* ============================================
   列表页 · 空状态
   ============================================ */
.creations-empty {
    text-align: center;
    padding: 80px 20px;
}

.creations-empty-icon {
    font-size: 4rem;
    margin: 0 0 20px;
}

.creations-empty-title {
    font-size: 1.5rem;
    margin: 0 0 12px;
}

.creations-empty-desc {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.creations-empty-link {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ============================================
   详情页 · 面包屑
   ============================================ */
.creations-breadcrumb {
    padding: 20px 0;
    background: var(--color-bg-secondary);
}

.breadcrumb-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.breadcrumb-link:hover {
    color: var(--color-primary);
}

/* ============================================
   详情页 · 主区域（左封面 + 右内容）
   ============================================ */
.creations-detail-main {
    padding: 60px 0;
}

.creations-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* 左封面 */
.creations-detail-left {
    position: sticky;
    top: 100px;
}

.creations-detail-cover {
    border-radius: 12px;
    overflow: hidden;
    background: var(--color-bg-secondary);
}

.creations-detail-img {
    width: 100%;
    height: auto;
    display: block;
}

.creations-detail-cover-placeholder {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: var(--color-bg-secondary);
    border-radius: 12px;
}

.creation-cover-no-image {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* 右内容 */
.creations-detail-right {
    min-width: 0;
}

.creations-detail-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin: 12px 0 24px;
    line-height: 1.3;
    color: var(--color-text);
}

.creations-detail-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.creations-detail-description p {
    margin: 0 0 16px;
}

/* 操作按钮 */
.creations-detail-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.creation-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.creation-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.creation-action-video {
    background: var(--color-video);
    color: white;
}

.creation-action-download {
    background: var(--color-tool);
    color: white;
}

.creation-action-external {
    background: var(--color-writing);
    color: white;
}

/* 元数据 */
.creations-detail-meta {
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.creations-detail-meta p {
    margin: 4px 0;
}

/* ============================================
   移动端响应式
   ============================================ */
@media (max-width: 768px) {

    .creations-hero {
        padding: 60px 0 30px;
    }

    .creations-hero-title {
        font-size: 2rem;
    }

    /* 列表卡片：手机端改竖排 */
    .creation-link {
        grid-template-columns: 60px 1fr 30px;
        gap: 12px;
        padding: 16px;
    }

    .creation-cover {
        width: 60px;
        height: 60px;
    }

    .creation-title {
        font-size: 1rem;
        white-space: normal;
    }

    .creation-excerpt {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
    }

    .creation-arrow {
        font-size: 1.2rem;
    }

    /* 详情页：手机端改单列 */
    .creations-detail-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .creations-detail-left {
        position: static;
    }

    .creations-detail-title {
        font-size: 1.75rem;
    }
}