/* ============================================
   合集页面杂志风格样式 - Collection Magazine Style
   ============================================ */

.collection-page-magazine {
    background: var(--magazine-bg);
    min-height: 100vh;
}

/* 专辑头部 - 杂志风格 */
.collection-header-magazine {
    background: var(--magazine-primary);
    color: white;
    padding: var(--magazine-gap-large) 0;
    margin-bottom: var(--magazine-gap-large);
    position: relative;
    overflow: hidden;
}

.collection-header-magazine::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.collection-header-container-magazine {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--magazine-gap-small);
}

@media (min-width: 768px) {
    .collection-header-container-magazine {
        padding: 0 var(--magazine-gap-medium);
    }
}

.collection-header-content-magazine {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--magazine-gap-medium);
    align-items: start;
}

@media (min-width: 768px) {
    .collection-header-content-magazine {
        grid-template-columns: 300px 1fr;
        gap: var(--magazine-gap-large);
    }
}

/* 专辑封面 */
.collection-cover-magazine {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--magazine-bg-alt);
    border-radius: 8px;
    border: 3px solid rgba(255, 255, 255, 0.2);
}

@media (min-width: 768px) {
    .collection-cover-magazine {
        aspect-ratio: 4/3;
    }
}

.collection-cover-magazine img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.collection-badge-magazine {
    position: absolute;
    bottom: var(--magazine-gap-small);
    left: var(--magazine-gap-small);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--magazine-primary);
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

/* 专辑信息 */
.collection-info-magazine {
    display: flex;
    flex-direction: column;
    gap: var(--magazine-gap-small);
}

.collection-badge-text-magazine {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 3px;
    width: fit-content;
}

.collection-title-magazine {
    font-family: var(--magazine-font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin: 0;
    line-height: 1.2;
}

@media (max-width: 767px) {
    .collection-title-magazine {
        font-size: 1.75rem;
    }
}

.collection-meta-magazine {
    display: flex;
    flex-wrap: wrap;
    gap: var(--magazine-gap-medium);
    margin-top: var(--magazine-gap-small);
}

.collection-meta-item-magazine {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9375rem;
}

.collection-meta-item-magazine i {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.collection-desc-magazine {
    margin-top: var(--magazine-gap-small);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    font-size: 1rem;
}

/* 合集容器 */
.collection-container-magazine {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--magazine-gap-small) var(--magazine-gap-large);
}

@media (min-width: 768px) {
    .collection-container-magazine {
        padding: 0 var(--magazine-gap-medium) var(--magazine-gap-large);
    }
}

/* 课程列表区域 */
.collection-list-wrapper-magazine {
    width: 100%;
}

.collection-list-header-magazine {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--magazine-gap-medium);
    padding-bottom: var(--magazine-gap-small);
    border-bottom: 3px solid var(--magazine-accent);
}

.collection-list-title-magazine {
    font-family: var(--magazine-font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--magazine-primary);
    margin: 0;
}

.collection-list-stats-magazine {
    font-size: 1rem;
    color: var(--magazine-text-light);
}

.collection-list-stats-magazine .stats-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--magazine-accent);
    margin: 0 0.25rem;
}

/* 课程列表 - 杂志风格 */
.collection-list-magazine {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: var(--magazine-gap-medium);
}

/* 课程项 - 杂志列表风格 */
.collection-item-magazine {
    display: grid;
    grid-template-columns: 60px 250px 1fr auto;
    gap: var(--magazine-gap-medium);
    padding: var(--magazine-gap-medium) 0;
    border-bottom: 2px solid var(--magazine-border);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    align-items: center;
}

.collection-item-magazine:hover {
    background: var(--magazine-bg-alt);
    transform: translateX(4px);
    border-bottom-color: var(--magazine-accent);
}

@media (max-width: 1024px) {
    .collection-item-magazine {
        grid-template-columns: 50px 200px 1fr;
        gap: var(--magazine-gap-small);
    }
}

@media (max-width: 768px) {
    .collection-item-magazine {
        grid-template-columns: 40px 1fr;
        gap: var(--magazine-gap-small);
    }
}

/* 课程序号 */
.collection-item-number-magazine {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--magazine-accent);
    color: white;
    font-family: var(--magazine-font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .collection-item-number-magazine {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* 课程图片 */
.collection-item-image-magazine {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--magazine-bg-alt);
    border-radius: 4px;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .collection-item-image-magazine {
        display: none;
    }
}

.collection-item-image-magazine img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.collection-item-magazine:hover .collection-item-image-magazine img {
    transform: scale(1.1);
}

.collection-item-overlay-magazine {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
}

.collection-item-duration-magazine {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.5rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--magazine-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 3px;
}

/* 课程内容 */
.collection-item-content-magazine {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
    min-width: 0;
}

.collection-item-title-magazine {
    font-family: var(--magazine-font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--magazine-primary);
    margin: 0 0 0.75rem 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.collection-item-meta-magazine {
    display: flex;
    flex-wrap: wrap;
    gap: var(--magazine-gap-small);
    font-size: 0.8125rem;
    color: var(--magazine-text-light);
    margin-bottom: 0.75rem;
}

.collection-item-meta-magazine span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.collection-item-meta-magazine i {
    color: var(--magazine-accent);
    font-size: 0.75rem;
}

/* 操作按钮 */
.collection-item-action-magazine {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: var(--magazine-accent);
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: 4px;
    transition: all 0.3s ease;
    width: fit-content;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.collection-item-magazine:hover .collection-item-action-magazine {
    background: var(--magazine-primary);
    transform: translateX(4px);
}

@media (max-width: 768px) {
    .collection-item-action-magazine {
        margin-top: 0.5rem;
    }
}

/* 响应式优化 */
@media (max-width: 768px) {
    .collection-list-header-magazine {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .collection-list-title-magazine {
        font-size: 1.5rem;
    }
}