/* ==========================================================================
   ie-news.co.kr - Article Detail Page CSS
   Page-specific styles only. Base/tokens/header/footer from common.css
   ========================================================================== */


/* ==========================================================================
   1. PAGE BACKGROUND
   ========================================================================== */

body.article-page {
    background: var(--background-secondary);
}


/* ==========================================================================
   2. READING PROGRESS BAR
   ========================================================================== */

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary, #ff6d00));
    transition: width var(--transition-fast);
    z-index: var(--z-fixed, 300);
    box-shadow: 0 0 10px rgba(26, 115, 232, 0.5);
    pointer-events: none;
}


/* ==========================================================================
   3. BREADCRUMB
   ========================================================================== */

.article-breadcrumb {
    max-width: var(--container-xl, 1200px);
    margin: 0 auto;
    padding: var(--space-4, 1rem) var(--space-5, 1.25rem);
    display: flex;
    align-items: center;
    gap: var(--space-2, 0.5rem);
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--foreground-muted);
}

.article-breadcrumb a {
    color: var(--foreground-muted);
    transition: color var(--transition-fast);
}

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

.article-breadcrumb__separator {
    color: var(--border);
    font-size: var(--font-size-xs, 0.75rem);
}

.article-breadcrumb__current {
    color: var(--foreground-secondary);
    font-weight: var(--font-weight-medium, 500);
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}


/* ==========================================================================
   4. MAIN LAYOUT (Two Column)
   ========================================================================== */

.article-layout {
    max-width: var(--container-xl, 1200px);
    margin: 0 auto;
    padding: 0 var(--space-5, 1.25rem) var(--space-10, 2.5rem);
    display: flex;
    flex-direction: column;
    gap: var(--space-6, 1.5rem);
}


/* ==========================================================================
   5. ARTICLE CARD WRAPPER
   ========================================================================== */

.article-detail {
    background: var(--background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}


/* ==========================================================================
   6. ARTICLE HEADER
   ========================================================================== */

.article-detail__header {
    padding: var(--space-8, 2rem) var(--space-8, 2rem) 0;
}

/* Section Badge */
.article-detail__badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs, 0.75rem);
    font-weight: var(--font-weight-extrabold, 800);
    letter-spacing: 0.02em;
    margin-bottom: var(--space-4, 1rem);
    color: #fff;
    background: var(--color-primary);
    transition: opacity var(--transition-fast);
}

.article-detail__badge:hover {
    opacity: 0.9;
}

/* Title */
.article-detail__title {
    font-family: var(--font-serif);
    font-size: var(--font-size-4xl, 2rem);
    font-weight: var(--font-weight-bold, 700);
    line-height: var(--line-height-tight, 1.3);
    color: var(--foreground);
    letter-spacing: var(--letter-spacing-tight, -0.02em);
    margin: 0 0 var(--space-3, 0.75rem);
    word-break: keep-all;
}

/* Subtitle */
.article-detail__subtitle {
    display: block;
    margin: 0 0 var(--space-6, 1.5rem);
    padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
    border-left: 4px solid var(--color-primary);
    background: var(--background-secondary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: var(--font-size-base, 1rem);
    color: var(--foreground-secondary);
    line-height: var(--line-height-relaxed, 1.8);
}

/* Meta Info */
.article-detail__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3, 0.75rem);
    padding-bottom: var(--space-5, 1.25rem);
    border-bottom: 1px solid var(--border-light);
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--foreground-muted);
}

.article-detail__meta-author {
    display: flex;
    align-items: center;
    gap: var(--space-2, 0.5rem);
    font-weight: var(--font-weight-semibold, 600);
    color: var(--foreground-secondary);
}

.article-detail__meta-author i {
    font-size: var(--font-size-xs, 0.75rem);
    color: var(--foreground-muted);
}

.article-detail__meta-separator {
    width: 1px;
    height: 14px;
    background: var(--border);
}

.article-detail__meta-date {
    display: flex;
    align-items: center;
    gap: var(--space-2, 0.5rem);
    color: var(--foreground-muted);
}

.article-detail__meta-date i {
    font-size: var(--font-size-xs, 0.75rem);
}

.article-detail__meta-email {
    color: var(--color-primary);
}

.article-detail__meta-email:hover {
    text-decoration: underline;
}


/* ==========================================================================
   7. ARTICLE BODY (Prose extensions for article page)
   ========================================================================== */

.article-detail__body {
    padding: var(--space-8, 2rem);
    max-width: 100%;
}

/* Extend common.css .prose with article-specific overrides */
.article-detail__body.prose {
    max-width: 100%;
    font-family: var(--font-serif);
    font-size: var(--font-size-md, 1.0625rem);
    line-height: var(--line-height-relaxed, 1.8);
}

.article-detail__body.prose p {
    font-family: var(--font-serif);
    font-size: var(--font-size-md, 1.0625rem);
}

/* Responsive iframe for video embeds */
.article-detail__body .responsive-iframe {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    width: 100%;
    margin: 2em 0;
    border-radius: var(--radius-lg);
}

.article-detail__body .responsive-iframe iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
}

/* Legacy figure.image support */
.article-detail__body.prose figure.image {
    margin: 2em 0;
    padding: 0;
}


/* ==========================================================================
   8. NEXT STEP BUTTON
   ========================================================================== */

.article-detail__next-btn {
    display: block;
    width: calc(100% - var(--space-16, 4rem));
    margin: 0 var(--space-8, 2rem) var(--space-6, 1.5rem);
    padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
    font-size: var(--font-size-base, 1rem);
    font-weight: var(--font-weight-medium, 500);
    text-align: center;
    color: #fff;
    background-color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.article-detail__next-btn:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}


/* ==========================================================================
   9. REPORTER BOX
   ========================================================================== */

.article-detail__reporter {
    display: flex;
    align-items: center;
    gap: var(--space-4, 1rem);
    margin: 0 var(--space-8, 2rem);
    padding: var(--space-5, 1.25rem);
    background: var(--background-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
}

.article-detail__reporter-avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), #6366f1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: var(--font-size-xl, 1.25rem);
    font-weight: var(--font-weight-bold, 700);
    flex-shrink: 0;
}

.article-detail__reporter-info {
    flex: 1;
    min-width: 0;
}

.article-detail__reporter-name {
    font-size: var(--font-size-base, 1rem);
    font-weight: var(--font-weight-bold, 700);
    color: var(--foreground);
    margin-bottom: 2px;
}

.article-detail__reporter-email {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-primary);
}

.article-detail__reporter-email:hover {
    text-decoration: underline;
}


/* ==========================================================================
   10. COPYRIGHT
   ========================================================================== */

.article-detail__copyright {
    padding: var(--space-4, 1rem) var(--space-8, 2rem);
    text-align: right;
    font-size: var(--font-size-xs, 0.75rem);
    color: var(--foreground-muted);
    border-top: 1px solid var(--border-light);
    margin-top: var(--space-6, 1.5rem);
}


/* ==========================================================================
   11. SOCIAL SHARE (Inline)
   ========================================================================== */

.article-detail__share {
    padding: var(--space-5, 1.25rem) var(--space-8, 2rem) var(--space-8, 2rem);
}

.article-detail__share-title {
    font-size: var(--font-size-sm, 0.875rem);
    font-weight: var(--font-weight-semibold, 600);
    color: var(--foreground-secondary);
    text-align: center;
    margin-bottom: var(--space-3, 0.75rem);
}

.article-detail__share-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2, 0.5rem);
    flex-wrap: wrap;
}

.article-detail__share-btn {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--background);
    color: var(--foreground-secondary);
    font-size: var(--font-size-base, 1rem);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.article-detail__share-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Brand colors for share buttons */
.article-detail__share-btn--facebook {
    color: #fff;
    background: #1877f2;
    border-color: #1877f2;
}
.article-detail__share-btn--facebook:hover { background: #166fe5; }

.article-detail__share-btn--twitter {
    color: #fff;
    background: #1da1f2;
    border-color: #1da1f2;
}
.article-detail__share-btn--twitter:hover { background: #0d95e8; }

.article-detail__share-btn--kakaostory {
    background: #f9e000;
    border-color: #f9e000;
    color: var(--foreground);
}
.article-detail__share-btn--kakaostory:hover { background: #ebd600; }

.article-detail__share-btn--kakaotalk {
    background: #FFEB00;
    border-color: #FFEB00;
    color: var(--foreground);
}
.article-detail__share-btn--kakaotalk:hover { background: #f2df00; }

.article-detail__share-btn--link {
    color: #fff;
    background: #495057;
    border-color: #495057;
}
.article-detail__share-btn--link:hover { background: #343a40; }

.article-detail__share-btn--bookmark {
    color: #fff;
    background: #e73f72;
    border-color: #e73f72;
}
.article-detail__share-btn--bookmark:hover { background: #d63066; }

.article-detail__share-btn img {
    width: 18px;
    height: 18px;
}


/* ==========================================================================
   12. FLOATING SHARE SIDEBAR (Desktop)
   ========================================================================== */

.floating-share {
    position: fixed;
    left: max(20px, calc((100vw - var(--container-xl, 1280px)) / 2 - 70px));
    top: 50%;
    transform: translateY(-50%);
    z-index: var(--z-dropdown, 100);
    display: none;
    flex-direction: column;
    gap: var(--space-2, 0.5rem);
    animation: floatingShareIn 0.4s ease-out both;
}

@keyframes floatingShareIn {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

.floating-share__btn {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--background);
    color: var(--foreground-secondary);
    font-size: var(--font-size-base, 1rem);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.floating-share__btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.floating-share__btn--facebook { color: #fff; background: #1877f2; border-color: #1877f2; }
.floating-share__btn--twitter { color: #fff; background: #1da1f2; border-color: #1da1f2; }
.floating-share__btn--kakaotalk { background: #FFEB00; border-color: #FFEB00; }
.floating-share__btn--kakaostory { background: #f9e000; border-color: #f9e000; }
.floating-share__btn--link { color: #fff; background: #495057; border-color: #495057; }

.floating-share__btn img {
    width: 18px;
    height: 18px;
}


/* ==========================================================================
   13. SIDEBAR (Aside)
   ========================================================================== */

.article-sidebar {
    background: var(--background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.article-sidebar__section {
    padding: var(--space-6, 1.5rem);
}

.article-sidebar__section + .article-sidebar__section {
    border-top: 1px solid var(--border-light);
}

.article-sidebar__title {
    font-size: var(--font-size-lg, 1.125rem);
    font-weight: var(--font-weight-bold, 700);
    line-height: var(--line-height-tight, 1.3);
    color: var(--foreground);
    margin-bottom: var(--space-4, 1rem);
    padding-bottom: var(--space-3, 0.75rem);
    border-bottom: 2px solid var(--foreground);
}

/* Card Grid in Sidebar */
.article-sidebar__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4, 1rem);
    padding: 0;
}

.article-sidebar__card {
    width: auto;
    overflow: hidden;
}

.article-sidebar__card-link {
    display: block;
    color: var(--foreground);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.article-sidebar__card-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.article-sidebar__card-thumb {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--background-tertiary);
}

.article-sidebar__card-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.article-sidebar__card-link:hover .article-sidebar__card-thumb img {
    transform: scale(1.05);
}

.article-sidebar__card-text {
    padding: var(--space-3, 0.75rem) 0 0;
}

.article-sidebar__card-title {
    font-size: var(--font-size-sm, 0.875rem);
    font-weight: var(--font-weight-medium, 500);
    line-height: var(--line-height-snug, 1.4);
    color: var(--foreground);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Text List (for breaking news) */
.article-sidebar__list {
    padding: 0 0 0 var(--space-6, 1.5rem);
}

.article-sidebar__list-item {
    position: relative;
    width: 100%;
    list-style: decimal;
    padding: var(--space-1, 0.25rem) 0;
}

.article-sidebar__list-item::marker {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold, 600);
}

.article-sidebar__list-link {
    display: block;
    color: var(--foreground);
    transition: color var(--transition-fast);
}

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

.article-sidebar__list-link .article-sidebar__card-thumb {
    display: none;
}

.article-sidebar__list-link .article-sidebar__card-text {
    padding: 0;
}

.article-sidebar__list-link .article-sidebar__card-title {
    font-size: var(--font-size-sm, 0.875rem);
    line-height: 1.5;
    margin: var(--space-1, 0.25rem) 0;
    -webkit-line-clamp: unset;
}


/* ==========================================================================
   14. RESPONSIVE: TABLET & DESKTOP
   ========================================================================== */

@media only screen and (min-width: 768px) {
    .article-layout {
        flex-direction: row;
        gap: var(--space-6, 1.5rem);
    }

    .article-detail {
        flex: 1;
        min-width: 0;
    }

    .article-sidebar {
        width: 340px;
        flex-shrink: 0;
        position: sticky;
        top: 80px;
        align-self: flex-start;
    }

    .article-detail__header {
        padding: var(--space-10, 2.5rem) var(--space-10, 2.5rem) 0;
    }

    .article-detail__title {
        font-size: var(--font-size-5xl, 2.5rem);
    }

    .article-detail__body {
        padding: var(--space-8, 2rem) var(--space-10, 2.5rem);
    }

    .article-detail__body.prose {
        font-size: var(--font-size-lg, 1.125rem);
    }

    .article-detail__body.prose p {
        font-size: var(--font-size-lg, 1.125rem);
    }

    .article-detail__next-btn {
        width: calc(100% - var(--space-20, 5rem));
        margin-left: var(--space-10, 2.5rem);
        margin-right: var(--space-10, 2.5rem);
    }

    .article-detail__reporter {
        margin: 0 var(--space-10, 2.5rem);
    }

    .article-detail__copyright {
        padding: var(--space-4, 1rem) var(--space-10, 2.5rem);
    }

    .article-detail__share {
        padding: var(--space-5, 1.25rem) var(--space-10, 2.5rem) var(--space-8, 2rem);
    }
}

@media only screen and (min-width: 1024px) {
    .article-detail__title {
        font-size: 2.5rem;
    }

    .article-sidebar {
        width: 380px;
    }
}

/* Desktop floating share visible */
@media only screen and (min-width: 1400px) {
    .floating-share {
        display: flex;
    }
}


/* ==========================================================================
   15. MOBILE ADJUSTMENTS
   ========================================================================== */

@media only screen and (max-width: 767px) {
    .article-layout {
        padding: 0 0 var(--space-6, 1.5rem);
    }

    .article-detail {
        border-radius: 0;
    }

    .article-sidebar {
        border-radius: 0;
        margin: 0;
    }

    .article-detail__header {
        padding: var(--space-6, 1.5rem) var(--space-5, 1.25rem) 0;
    }

    .article-detail__title {
        font-size: var(--font-size-2xl, 1.5rem);
    }

    .article-detail__body {
        padding: var(--space-6, 1.5rem) var(--space-5, 1.25rem);
    }

    .article-detail__body.prose {
        font-size: var(--font-size-base, 1rem);
    }

    .article-detail__body.prose p {
        font-size: var(--font-size-base, 1rem);
    }

    .article-detail__body.prose img {
        border-radius: var(--radius-md);
        margin: 1.5em 0;
    }

    .article-detail__next-btn {
        width: calc(100% - var(--space-10, 2.5rem));
        margin-left: var(--space-5, 1.25rem);
        margin-right: var(--space-5, 1.25rem);
    }

    .article-detail__reporter {
        margin: 0 var(--space-5, 1.25rem);
    }

    .article-detail__copyright {
        padding: var(--space-4, 1rem) var(--space-5, 1.25rem);
    }

    .article-detail__share {
        padding: var(--space-4, 1rem) var(--space-5, 1.25rem) var(--space-6, 1.5rem);
    }

    .article-detail__subtitle {
        margin-bottom: var(--space-5, 1.25rem);
    }

    .article-sidebar__section {
        padding: var(--space-5, 1.25rem);
    }

    .article-sidebar__grid {
        gap: var(--space-3, 0.75rem);
    }

    .article-sidebar__card-title {
        font-size: var(--font-size-xs, 0.75rem);
    }

    .article-breadcrumb {
        padding: var(--space-3, 0.75rem) var(--space-5, 1.25rem);
        font-size: var(--font-size-xs, 0.75rem);
    }
}


/* ==========================================================================
   16. PRINT STYLES
   ========================================================================== */

@media print {
    .reading-progress,
    .article-breadcrumb,
    .floating-share,
    .article-detail__share,
    .article-sidebar,
    .article-detail__next-btn {
        display: none !important;
    }

    .article-detail {
        box-shadow: none;
        border-radius: 0;
    }

    .article-detail__body.prose {
        max-width: 100%;
    }

    .article-detail__body.prose img {
        max-width: 100%;
        box-shadow: none;
        page-break-inside: avoid;
    }

    .article-detail__body.prose h2,
    .article-detail__body.prose h3,
    .article-detail__body.prose h4 {
        page-break-after: avoid;
    }

    .article-detail__body.prose a {
        color: black;
        text-decoration: underline;
    }

    .article-detail__body.prose a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }

    .article-detail__reporter {
        border: 1px solid #ccc;
    }
}