/* ==========================================================================
   Alternivite - Blog Page Styles
   ========================================================================== */

/* Hero */
.blog-hero {
   padding-top: calc(var(--nav-height) + var(--space-16));
   padding-bottom: var(--space-8);
   text-align: center;
}

.blog-hero-content {
   max-width: 640px;
   margin: 0 auto;
}

.blog-hero-badge {
   display: inline-flex;
   align-items: center;
   gap: var(--space-2);
   padding: var(--space-1) var(--space-4);
   background: var(--color-primary-50);
   color: var(--color-primary-700);
   border: 1px solid var(--color-primary-200);
   border-radius: var(--radius-full);
   font-size: var(--text-sm);
   font-weight: var(--font-semibold);
   margin-bottom: var(--space-6);
}

[data-theme="dark"] .blog-hero-badge {
   background: rgba(99, 102, 241, 0.12);
   border-color: rgba(99, 102, 241, 0.25);
   color: var(--color-primary-400);
}

.blog-hero-title {
   font-size: var(--text-4xl);
   font-weight: var(--font-bold);
   color: var(--text-primary);
   line-height: var(--leading-tight);
   margin-bottom: var(--space-4);
}

.blog-hero-text {
   font-size: var(--text-lg);
   color: var(--text-secondary);
   line-height: var(--leading-relaxed);
   margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
   .blog-hero-title { font-size: var(--text-5xl); }
}

/* Search */
.blog-search {
   max-width: 520px;
   margin: 0 auto var(--space-8);
   position: relative;
}

.blog-search-input {
   width: 100%;
   padding: var(--space-3) var(--space-4) var(--space-3) 48px;
   background: var(--bg-primary);
   border: 1px solid var(--border-primary);
   border-radius: var(--radius-xl);
   font-size: var(--text-base);
   color: var(--text-primary);
   outline: none;
   transition: border-color 0.2s, box-shadow 0.2s;
}

.blog-search-input::placeholder { color: var(--text-tertiary); }
.blog-search-input:focus { border-color: var(--color-primary-400); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15); }

.blog-search-icon {
   position: absolute;
   left: 16px;
   top: 50%;
   transform: translateY(-50%);
   color: var(--text-tertiary);
   pointer-events: none;
}

/* Categories */
.blog-cats {
   display: flex;
   gap: var(--space-2);
   justify-content: center;
   flex-wrap: wrap;
}

.blog-cat {
   padding: var(--space-2) var(--space-4);
   border-radius: var(--radius-full);
   font-size: var(--text-sm);
   font-weight: var(--font-medium);
   color: var(--text-secondary);
   background: transparent;
   border: 1px solid var(--border-primary);
   text-decoration: none;
   white-space: nowrap;
   transition: all 0.2s;
}

.blog-cat:hover {
   color: var(--text-primary);
   background: var(--bg-secondary);
   border-color: var(--border-secondary);
}

.blog-cat--active,
.blog-cat[aria-current="true"] {
   color: var(--color-primary-700);
   background: var(--color-primary-50);
   border-color: var(--color-primary-200);
}

[data-theme="dark"] .blog-cat--active,
[data-theme="dark"] .blog-cat[aria-current="true"] {
   color: var(--color-primary-400);
   background: rgba(99, 102, 241, 0.12);
   border-color: rgba(99, 102, 241, 0.25);
}

/* Main Layout */
.blog-layout {
   padding: var(--space-12) 0 var(--space-16);
}

.blog-layout-grid {
   display: grid;
   grid-template-columns: 1fr;
   gap: var(--space-12);
}

@media (min-width: 900px) {
   .blog-layout-grid { grid-template-columns: 1fr 320px; gap: var(--space-12); }
}

/* Featured Article */
.blog-featured {
   margin-bottom: var(--space-12);
}

.blog-featured-card {
   display: grid;
   grid-template-columns: 1fr;
   background: var(--bg-primary);
   border: 1px solid var(--border-primary);
   border-radius: var(--radius-xl);
   overflow: hidden;
   text-decoration: none;
   transition: border-color 0.2s, box-shadow 0.2s;
}

@media (min-width: 640px) {
   .blog-featured-card { grid-template-columns: 1.1fr 1fr; }
}

.blog-featured-card:hover {
   border-color: var(--color-primary-300);
   box-shadow: var(--shadow-lg);
}

.blog-featured-card:focus-visible {
   outline: 2px solid var(--color-primary-500);
   outline-offset: 2px;
}

.blog-featured-img {
   aspect-ratio: 16 / 10;
   background: linear-gradient(135deg, var(--color-primary-100), #ede9fe);
   display: flex;
   align-items: center;
   justify-content: center;
}

[data-theme="dark"] .blog-featured-img {
   background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
}

.blog-featured-body {
   padding: var(--space-8);
   display: flex;
   flex-direction: column;
   justify-content: center;
}

.blog-featured-tag {
   display: inline-flex;
   align-items: center;
   gap: var(--space-1);
   padding: var(--space-1) var(--space-3);
   background: var(--color-primary-100);
   color: var(--color-primary-700);
   border-radius: var(--radius-full);
   font-size: var(--text-xs);
   font-weight: var(--font-semibold);
   width: fit-content;
   margin-bottom: var(--space-4);
}

[data-theme="dark"] .blog-featured-tag {
   background: rgba(99, 102, 241, 0.15);
   color: var(--color-primary-400);
}

.blog-featured-title {
   font-size: var(--text-2xl);
   font-weight: var(--font-bold);
   color: var(--text-primary);
   line-height: var(--leading-tight);
   margin-bottom: var(--space-3);
}

@media (min-width: 640px) {
   .blog-featured-title { font-size: var(--text-3xl); }
}

.blog-featured-card:hover .blog-featured-title { color: var(--color-primary-600); }
[data-theme="dark"] .blog-featured-card:hover .blog-featured-title { color: var(--color-primary-400); }

.blog-featured-desc {
   font-size: var(--text-base);
   color: var(--text-secondary);
   line-height: var(--leading-relaxed);
   margin-bottom: var(--space-6);
}

.blog-featured-meta {
   display: flex;
   align-items: center;
   gap: var(--space-4);
   font-size: var(--text-sm);
   color: var(--text-tertiary);
}

.blog-featured-meta-item {
   display: inline-flex;
   align-items: center;
   gap: var(--space-1);
}

/* Article Cards */
.blog-section-title {
   font-size: var(--text-xl);
   font-weight: var(--font-bold);
   color: var(--text-primary);
   margin-bottom: var(--space-6);
}

.blog-grid {
   display: grid;
   grid-template-columns: 1fr;
   gap: var(--space-6);
}

@media (min-width: 480px) {
   .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Article Card */
.blog-card {
   display: flex;
   flex-direction: column;
   background: var(--bg-primary);
   border: 1px solid var(--border-primary);
   border-radius: var(--radius-xl);
   overflow: hidden;
   text-decoration: none;
   transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.blog-card:hover {
   border-color: var(--color-primary-300);
   box-shadow: var(--shadow-md);
   transform: translateY(-2px);
}

.blog-card:focus-visible {
   outline: 2px solid var(--color-primary-500);
   outline-offset: 2px;
}

.blog-card-img {
   aspect-ratio: 16 / 9;
   background: var(--bg-secondary);
   display: flex;
   align-items: center;
   justify-content: center;
}

.blog-card-img--blue { background: linear-gradient(135deg, var(--color-primary-100), #dbeafe); }
.blog-card-img--purple { background: linear-gradient(135deg, #f3e8ff, #fce7f3); }
.blog-card-img--green { background: linear-gradient(135deg, #dcfce7, #ccfbf1); }
.blog-card-img--amber { background: linear-gradient(135deg, #fef3c7, #fee2e2); }
.blog-card-img--teal { background: linear-gradient(135deg, #ccfbf1, #dbeafe); }

[data-theme="dark"] .blog-card-img--blue { background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(59, 130, 246, 0.12)); }
[data-theme="dark"] .blog-card-img--purple { background: linear-gradient(135deg, rgba(147, 51, 234, 0.12), rgba(236, 72, 153, 0.12)); }
[data-theme="dark"] .blog-card-img--green { background: linear-gradient(135deg, rgba(34, 197, 94, 0.12), rgba(20, 184, 166, 0.12)); }
[data-theme="dark"] .blog-card-img--amber { background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(239, 68, 68, 0.12)); }
[data-theme="dark"] .blog-card-img--teal { background: linear-gradient(135deg, rgba(20, 184, 166, 0.12), rgba(59, 130, 246, 0.12)); }

.blog-card-body {
   padding: var(--space-5);
   display: flex;
   flex-direction: column;
   flex: 1;
}

.blog-card-tag {
   font-size: var(--text-xs);
   font-weight: var(--font-semibold);
   color: var(--color-primary-600);
   margin-bottom: var(--space-2);
}

[data-theme="dark"] .blog-card-tag { color: var(--color-primary-400); }

.blog-card-title {
   font-size: var(--text-base);
   font-weight: var(--font-semibold);
   color: var(--text-primary);
   line-height: var(--leading-snug);
   margin-bottom: var(--space-2);
}

.blog-card:hover .blog-card-title { color: var(--color-primary-600); }
[data-theme="dark"] .blog-card:hover .blog-card-title { color: var(--color-primary-400); }

.blog-card-desc {
   font-size: var(--text-sm);
   color: var(--text-secondary);
   line-height: var(--leading-relaxed);
   margin-bottom: var(--space-4);
   flex: 1;
}

.blog-card-meta {
   display: flex;
   align-items: center;
   gap: var(--space-3);
   font-size: var(--text-xs);
   color: var(--text-tertiary);
   padding-top: var(--space-4);
   border-top: 1px solid var(--border-primary);
}

.blog-card-meta-item {
   display: inline-flex;
   align-items: center;
   gap: var(--space-1);
}

/* Sidebar */
.blog-sidebar {
   display: flex;
   flex-direction: column;
   gap: var(--space-8);
}

.blog-sidebar-card {
   background: var(--bg-primary);
   border: 1px solid var(--border-primary);
   border-radius: var(--radius-xl);
   padding: var(--space-6);
}

.blog-sidebar-title {
   font-size: var(--text-base);
   font-weight: var(--font-bold);
   color: var(--text-primary);
   margin-bottom: var(--space-5);
   display: flex;
   align-items: center;
   gap: var(--space-2);
}

/* Popular Posts */
.blog-popular-list {
   display: flex;
   flex-direction: column;
   gap: var(--space-5);
}

.blog-popular-item {
   display: flex;
   gap: var(--space-4);
   text-decoration: none;
}

.blog-popular-item:hover .blog-popular-title { color: var(--color-primary-600); }
[data-theme="dark"] .blog-popular-item:hover .blog-popular-title { color: var(--color-primary-400); }

.blog-popular-num {
   font-size: var(--text-2xl);
   font-weight: var(--font-bold);
   color: var(--color-primary-200);
   line-height: 1;
   flex-shrink: 0;
   width: 32px;
}

[data-theme="dark"] .blog-popular-num { color: rgba(99, 102, 241, 0.3); }

.blog-popular-body { flex: 1; }

.blog-popular-title {
   font-size: var(--text-sm);
   font-weight: var(--font-semibold);
   color: var(--text-primary);
   line-height: var(--leading-snug);
   margin-bottom: var(--space-1);
   transition: color 0.2s;
}

.blog-popular-meta {
   font-size: var(--text-xs);
   color: var(--text-tertiary);
}

/* Newsletter Sidebar */
.blog-newsletter {
   background: linear-gradient(135deg, var(--color-primary-50), #ede9fe);
   border-color: var(--color-primary-200);
}

[data-theme="dark"] .blog-newsletter {
   background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.08));
   border-color: rgba(99, 102, 241, 0.25);
}

.blog-newsletter-icon {
   width: 44px;
   height: 44px;
   display: flex;
   align-items: center;
   justify-content: center;
   background: var(--color-primary-100);
   color: var(--color-primary-600);
   border-radius: var(--radius-lg);
   margin-bottom: var(--space-4);
}

[data-theme="dark"] .blog-newsletter-icon {
   background: rgba(99, 102, 241, 0.2);
   color: var(--color-primary-400);
}

.blog-newsletter-text {
   font-size: var(--text-sm);
   color: var(--text-secondary);
   line-height: var(--leading-relaxed);
   margin-bottom: var(--space-4);
}

.blog-newsletter-form {
   display: flex;
   flex-direction: column;
   gap: var(--space-3);
}

.blog-newsletter-input {
   width: 100%;
   padding: var(--space-3) var(--space-4);
   background: var(--bg-primary);
   border: 1px solid var(--border-primary);
   border-radius: var(--radius-lg);
   font-size: var(--text-sm);
   color: var(--text-primary);
   outline: none;
   transition: border-color 0.2s, box-shadow 0.2s;
}

.blog-newsletter-input::placeholder { color: var(--text-tertiary); }
.blog-newsletter-input:focus { border-color: var(--color-primary-400); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15); }

/* Tags Sidebar */
.blog-tags {
   display: flex;
   flex-wrap: wrap;
   gap: var(--space-2);
}

.blog-tag {
   padding: var(--space-1) var(--space-3);
   background: var(--bg-secondary);
   border: 1px solid var(--border-primary);
   border-radius: var(--radius-full);
   font-size: var(--text-xs);
   font-weight: var(--font-medium);
   color: var(--text-secondary);
   text-decoration: none;
   transition: all 0.2s;
}

.blog-tag:hover {
   color: var(--color-primary-600);
   border-color: var(--color-primary-300);
  background: var(--color-primary-50);
}

[data-theme="dark"] .blog-tag:hover {
   color: var(--color-primary-400);
   background: rgba(99, 102, 241, 0.1);
}

/* Pagination */
.blog-pagination {
   display: flex;
   align-items: center;
   justify-content: center;
   gap: var(--space-2);
   margin-top: var(--space-12);
}

.blog-page {
   width: 40px;
   height: 40px;
   display: flex;
   align-items: center;
   justify-content: center;
   border-radius: var(--radius-lg);
   font-size: var(--text-sm);
   font-weight: var(--font-medium);
   color: var(--text-secondary);
   background: var(--bg-primary);
   border: 1px solid var(--border-primary);
   text-decoration: none;
   transition: all 0.2s;
}

.blog-page:hover {
   color: var(--text-primary);
   border-color: var(--border-secondary);
   background: var(--bg-secondary);
}

.blog-page--active {
   color: white;
   background: var(--color-primary-600);
   border-color: var(--color-primary-600);
}

.blog-page--active:hover {
   color: white;
   background: var(--color-primary-700);
}

.blog-page-arrow {
   width: 40px;
   height: 40px;
   display: flex;
   align-items: center;
   justify-content: center;
   border-radius: var(--radius-lg);
   color: var(--text-secondary);
   background: var(--bg-primary);
   border: 1px solid var(--border-primary);
   text-decoration: none;
   transition: all 0.2s;
}

.blog-page-arrow:hover {
   color: var(--text-primary);
   border-color: var(--border-secondary);
}

.blog-page-ellipsis {
   width: 40px;
   height: 40px;
   display: flex;
   align-items: center;
   justify-content: center;
   font-size: var(--text-sm);
   color: var(--text-tertiary);
}

/* CTA */
.blog-cta {
   padding: var(--space-16) 0;
}

/* Responsive */
@media (max-width: 640px) {
   .blog-hero { padding-top: calc(var(--nav-height) + var(--space-8)); }
   .blog-hero-title { font-size: var(--text-2xl); }
   .blog-hero-text { font-size: var(--text-base); }
   .blog-featured-body { padding: var(--space-6); }
   .blog-featured-title { font-size: var(--text-xl); }
   .blog-layout { padding: var(--space-8) 0; }
}