/* ========================================
   Article Detail Page Styles
   ======================================== */

/* Article Main */
.article-main {
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
    background-color: #ffffff;
    min-height: 100vh;
}

/* Article Container - Narrow width like Apple */
.article-container {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Article Header */
.article-header {
    margin-bottom: var(--spacing-xl);
}

.article-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.article-tag {
    font-weight: 500;
}

.article-date {
    color: var(--color-text-secondary);
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

.article-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-lg);
}

/* Share Buttons */
.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-xl);
    /* Border removed */
    margin-bottom: var(--spacing-xl);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-card-bg);
    border-radius: 50%;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.share-btn:hover {
    background: var(--color-border);
    color: var(--color-text-primary);
}

/* Article Content */
.article-content {
    font-size: 1.0625rem;
    /* 17px */
    letter-spacing: -0.022em;
    line-height: 1.6;
    color: var(--color-text-primary);
}

.article-content p {
    margin-bottom: 1.2rem;
}

.article-content .content-image {
    margin: var(--spacing-2xl) 0;
}

.article-content .content-image img {
    width: 100%;
    border-radius: var(--radius-md);
}

.article-content .content-image figcaption {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
}

/* Cover Image */
.article-cover {
    margin-bottom: var(--spacing-2xl);
}

.article-cover img {
    width: 100%;
    border-radius: var(--radius-lg);
}

.article-cover.fallback img {
    opacity: 0.5;
    /* Lighter for fallback image */
}

.article-cover figcaption {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
}

/* Author */
.article-author {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    /* Border removed */
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: right;
}

/* Responsive */
@media (max-width: 640px) {
    .article-title {
        font-size: 1.75rem;
    }

    .article-content {
        font-size: 1rem;
    }
}



/* Header Wrapper */
.article-header-wrapper {
    margin-bottom: var(--spacing-xl);
}

.article-header-content {
    width: 100%;
}


/* Video Embedding */
.content-video {
    margin: var(--spacing-2xl) 0;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    /* 16:9 Aspect Ratio */
    height: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: #000;
    /* Dark background while loading */
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.content-video figcaption {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
}

/* Content Link Styling */
.content-link-wrapper {
    margin: var(--spacing-md) 0;
}

.content-link {
    display: flex;
    /* Full width block style */
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: #f5f5f7;
    /* Light gray card */
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-text-primary);
    /* Dark text */
    font-weight: 600;
    transition: all var(--transition-fast);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.content-link:hover {
    background-color: #e5e5ea;
    /* Slightly darker on hover */
    text-decoration: none;
    /* No underline */
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.link-icon {
    font-size: 1.25em;
    flex-shrink: 0;
}

.link-text {
    word-break: break-word;
    /* Ensure long URLs wrap */
    flex-grow: 1;
}

.survey-card {
    justify-content: center;
    color: var(--color-tag-important);
    /* Hint at importance */
}