/* ============================================
   Ehon Gift - Articles Page Styles
   ============================================ */

/* ============================================
   Site Header
   ============================================ */

.site-header {
    background: white;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header-inner {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.site-nav-link {
    font-size: 14px;
    color: var(--color-text-sub);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.site-nav-link:hover,
.site-nav-link.active {
    color: var(--color-primary);
}

.site-nav-cta {
    display: inline-flex;
    align-items: center;
    background: var(--color-primary);
    color: white;
    padding: 8px 16px;
    border-radius: 9999px;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.2s;
    white-space: nowrap;
}

.site-nav-cta:hover {
    background: var(--color-primary-dark);
}

/* ============================================
   Loading
   ============================================ */

.articles-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 24px;
    color: var(--color-text-sub);
    gap: 16px;
}

.loading-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   Articles Container
   ============================================ */

.articles-container {
    max-width: 1060px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}

.articles-container--narrow {
    max-width: 720px;
}

/* ============================================
   Articles Page Header
   ============================================ */

.articles-page-header {
    margin-bottom: 40px;
    text-align: center;
}

.articles-page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 10px;
}

.articles-page-desc {
    font-size: 15px;
    color: var(--color-text-sub);
}

/* ============================================
   Category Filter
   ============================================ */

.articles-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
    justify-content: center;
}

.filter-btn {
    padding: 7px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: 9999px;
    background: white;
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-sub);
    cursor: pointer;
    transition: all 0.15s;
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* ============================================
   Article Grid
   ============================================ */

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 60px;
}

.article-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(107, 92, 231, 0.06);
    transition: transform 0.2s, box-shadow 0.2s;
}

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(107, 92, 231, 0.12);
}

.article-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.article-card-body {
    padding: 24px;
}

.article-category-badge {
    display: inline-block;
    padding: 3px 10px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 9999px;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 10px;
}

.article-category-badge--lg {
    font-size: 13px;
    padding: 4px 14px;
    margin-bottom: 14px;
}

.article-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.5;
    margin-bottom: 10px;
}

.article-card-excerpt {
    font-size: 13px;
    color: var(--color-text-sub);
    line-height: 1.6;
    margin-bottom: 14px;
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.article-date {
    font-size: 12px;
    color: var(--color-text-placeholder);
}

/* ============================================
   Empty State
   ============================================ */

.articles-empty {
    text-align: center;
    padding: 80px 24px;
    color: var(--color-text-sub);
}

.articles-empty p {
    font-size: 16px;
    margin-bottom: 24px;
    line-height: 1.7;
}

/* ============================================
   CTA Banner (List)
   ============================================ */

.articles-cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
}

.cta-banner-text {
    font-size: 18px;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    background: white;
    color: var(--color-primary);
    padding: 12px 28px;
    border-radius: 9999px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* ============================================
   Article Detail
   ============================================ */

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
    font-size: 12px;
    color: var(--color-text-placeholder);
    margin-bottom: 28px;
}

.breadcrumb a {
    color: var(--color-text-sub);
    text-decoration: none;
    transition: color 0.2s;
}

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

.breadcrumb-sep {
    color: var(--color-text-placeholder);
}

/* Article Header */
.article-header {
    margin-bottom: 36px;
}

.article-detail-title {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.45;
    color: var(--color-text-main);
    margin-bottom: 14px;
}

.article-header-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--color-text-placeholder);
}

/* Article Body */
.article-body {
    font-size: 16px;
    line-height: 1.85;
    color: var(--color-text-main);
    margin-bottom: 40px;
    border-top: 1px solid var(--color-border);
    padding-top: 32px;
}

.article-body h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-main);
    margin: 40px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-primary-light);
}

.article-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text-main);
    margin: 32px 0 12px;
}

.article-body h4 {
    font-size: 15px;
    font-weight: 700;
    margin: 24px 0 8px;
}

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

.article-body ul,
.article-body ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.article-body li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.article-body blockquote {
    border-left: 4px solid var(--color-primary-light);
    padding: 12px 20px;
    margin: 24px 0;
    background: var(--color-primary-light);
    border-radius: 0 8px 8px 0;
    color: var(--color-text-sub);
    font-style: italic;
}

.article-body a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

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

.article-body img {
    max-width: 100%;
    border-radius: 12px;
    margin: 20px 0;
}

.article-body strong {
    font-weight: 700;
    color: var(--color-text-main);
}

.article-body code {
    background: var(--color-primary-light);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.article-body pre {
    background: #F4F2FB;
    padding: 16px 20px;
    border-radius: 10px;
    overflow-x: auto;
    margin-bottom: 20px;
}

/* Article Tags */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.article-tag {
    display: inline-block;
    padding: 4px 12px;
    background: #F4F2FB;
    color: var(--color-text-sub);
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 500;
}

/* Article CTA Box */
.article-cta-box {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, #F0E6FF 100%);
    border-radius: 20px;
    padding: 36px;
    text-align: center;
    margin-bottom: 40px;
}

.article-cta-box-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 8px;
}

.article-cta-box-sub {
    font-size: 14px;
    color: var(--color-text-sub);
    margin-bottom: 20px;
    line-height: 1.6;
}

.article-cta-box .btn-cta {
    background: var(--color-primary);
    color: white;
}

.article-cta-box .btn-cta:hover {
    background: var(--color-primary-dark);
}

/* Back Link */
.article-back-link {
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.article-back-link a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--color-text-sub);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* ============================================
   Site Footer
   ============================================ */

.site-footer {
    background: white;
    border-top: 1px solid var(--color-border);
    padding: 40px 24px;
}

.site-footer-inner {
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.footer-desc {
    font-size: 13px;
    color: var(--color-text-sub);
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.footer-links a {
    font-size: 13px;
    color: var(--color-text-sub);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-copy {
    font-size: 12px;
    color: var(--color-text-placeholder);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 600px) {
    .articles-container {
        padding: 32px 16px 60px;
    }

    .articles-page-title {
        font-size: 22px;
    }

    .article-detail-title {
        font-size: 20px;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .articles-cta-banner {
        padding: 28px 20px;
    }

    .article-cta-box {
        padding: 24px 20px;
    }

    .site-nav-link {
        display: none;
    }
}