/* ... existing styles ... */
/* Article Page Specifics */

/* Breadcrumb */
.breadcrumb {
    padding: 20px 0;
    font-size: 14px;
    color: #666;
    background: #f8f9fa;
    border-bottom: 1px solid #eee;
}

.breadcrumb a {
    color: #666;
}

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

.breadcrumb span {
    color: #999;
}

/* App Header Card */
.app-header-card {
    background: white;
    padding: 40px 0;
    margin-bottom: 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.app-header-inner {
    display: flex;
    align-items: flex-start;
    gap: 30px;
}

.app-icon-large {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    object-fit: cover;
    flex-shrink: 0;
}

.app-info-main {
    flex: 1;
}

.app-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--dark-text);
}

.app-meta-tags {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    color: #666;
    font-size: 14px;
}

.app-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.app-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.btn-lg-download {
    background: var(--primary-color);
    color: white;
    padding: 12px 35px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 10px rgba(13, 110, 253, 0.3);
    transition: all 0.2s;
}

.btn-lg-download:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    color: white;
    box-shadow: 0 6px 15px rgba(13, 110, 253, 0.4);
}

.btn-lg-download.disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* Article Layout */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    padding-bottom: 80px;
    margin-top: 40px;
}

/* Article Content */
.article-content-box {
    background: white;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid #f0f0f0;
}

.article-section-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
    position: relative;
}

.article-section-title::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--primary-color);
}

.content-body {
    font-size: 16px;
    line-height: 1.8;
    color: #444;
}

.content-body p {
    margin-bottom: 20px;
}

.content-body img {
    max-width: 100%;
    border-radius: 8px;
    margin: 20px 0;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.content-body h2 {
    font-size: 22px;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--dark-text);
}

.content-body h3 {
    font-size: 18px;
    margin-top: 25px;
    margin-bottom: 10px;
    color: var(--dark-text);
}

/* Sidebar */
.sidebar-widget {
    background: white;
    border-radius: 12px;
    border: 1px solid #f0f0f0;
    padding: 25px;
    margin-bottom: 30px;
}

.widget-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    padding-left: 12px;
    border-left: 4px solid var(--primary-color);
}

.info-list {
    list-style: none;
}

.info-list li {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #f8f9fa;
    font-size: 14px;
}

.info-list li:last-child {
    border-bottom: none;
}

.info-label {
    color: #666;
}

.info-value {
    color: var(--dark-text);
    font-weight: 500;
}

/* Related List */
.related-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.related-item {
    display: flex;
    align-items: center;
    gap: 15px;
    transition: transform 0.2s;
}

.related-item:hover {
    transform: translateX(5px);
}

.related-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    object-fit: cover;
}

.related-info h4 {
    font-size: 15px;
    margin-bottom: 4px;
    line-height: 1.3;
}

.related-info h4 a {
    color: var(--dark-text);
}

.related-info h4 a:hover {
    color: var(--primary-color);
}

.related-meta {
    font-size: 12px;
    color: #999;
}

/* Responsive */
@media (max-width: 992px) {
    .article-layout {
        grid-template-columns: 1fr;
    }
    .app-header-inner {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    .app-actions {
        justify-content: center;
    }
    .app-meta-tags {
        justify-content: center;
    }
}