/**
 * MOX BLOG - Base Styles
 * Variables, Hero, Search, Grid, Cards, Pagination, Newsletter
 */

/* ========================================
   VARIABLES
   ======================================== */
main#blog {
    --blog-primary: #0066FF;
    --blog-primary-rgb: 0, 102, 255;
    --blog-primary-light: #3385FF;
    --blog-accent: #00D4AA;
    --blog-accent-rgb: 0, 212, 170;
    --blog-success: #10B981;
    --blog-warning: #F59E0B;
    --blog-error: #EF4444;
    
    --blog-text: #1a1a1a;
    --blog-text-muted: #6b7280;
    --blog-text-light: #9ca3af;
    --blog-bg: #ffffff;
    --blog-bg-subtle: #f9fafb;
    --blog-border: rgba(0, 0, 0, 0.06);
    
    --blog-radius-sm: 8px;
    --blog-radius-md: 12px;
    --blog-radius-lg: 16px;
    --blog-radius-xl: 24px;
    --blog-radius-2xl: 32px;
    --blog-radius-full: 9999px;
    
    --blog-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --blog-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --blog-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --blog-shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.15);
    --blog-shadow-glow: 0 0 60px rgba(var(--blog-primary-rgb), 0.15);
    
    --blog-transition: 0.2s ease;
    --blog-transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --blog-max-width: 1500px;
    --blog-content-width: 780px;
}

[data-theme="dark"] main#blog {
    --blog-text: #f3f4f6;
    --blog-text-muted: #9ca3af;
    --blog-text-light: #6b7280;
    --blog-bg: #111111;
    --blog-bg-subtle: #1a1a1a;
    --blog-border: rgba(255, 255, 255, 0.08);
}

/* ========================================
   BASE
   ======================================== */
main#blog {
    display: block;
    float: left;
    width: 100%;
    min-height: 60vh;
    font-family: var(--font, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif);
    color: var(--blog-text);
    -webkit-font-smoothing: antialiased;
}

main#blog * { box-sizing: border-box; }

main#blog svg {
    width: 1em;
    height: 1em;
    vertical-align: middle;
    flex-shrink: 0;
}

/* ========================================
   HERO
   ======================================== */
.blog-hero {
    background: linear-gradient(180deg, rgba(var(--blog-primary-rgb), 0.04) 0%, transparent 100%);
    padding: 5rem 2rem 3rem;
    border-bottom: 1px solid var(--blog-border);
}

.blog-hero-inner {
    max-width: var(--blog-max-width);
    margin: 0 auto;
}

.blog-hero-header {
    text-align: center;
    margin-bottom: 3rem;
}

.blog-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(var(--blog-primary-rgb), 0.08);
    border: 1px solid rgba(var(--blog-primary-rgb), 0.15);
    border-radius: var(--blog-radius-full);
    font-family: var(--font);
    font-size: 13px;
    font-weight: 600;
    color: var(--blog-primary);
    margin-bottom: 1.5rem;
}

.blog-hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--blog-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

.blog-hero h1 {
    font-family: var(--font);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin: 0 0 1.25rem;
    color: var(--blog-text);
}

.blog-hero-subtitle {
    font-family: var(--font);
    font-size: 1.2rem;
    color: var(--blog-text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Filter Active */
.filter-active {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 14px 24px;
    background: rgba(var(--blog-primary-rgb), 0.06);
    border: 1px solid rgba(var(--blog-primary-rgb), 0.12);
    border-radius: var(--blog-radius-lg);
    margin-bottom: 2rem;
    font-family: var(--font);
    font-size: 14px;
    color: var(--blog-text-muted);
}

.filter-clear {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--blog-primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--blog-transition);
}

.filter-clear:hover { opacity: 0.8; }
.filter-clear svg { width: 16px; height: 16px; }

/* ========================================
   SEARCH
   ======================================== */
.blog-search {
    max-width: 720px;
    margin: 0 auto 2.5rem;
    position: relative;
}

.blog-search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.blog-search-icon {
    position: absolute;
    left: 24px;
    width: 22px;
    height: 22px;
    color: var(--blog-text-light);
    pointer-events: none;
    transition: var(--blog-transition);
}

.blog-search-box:focus-within .blog-search-icon {
    color: var(--blog-primary);
}

.blog-search-input {
    width: 100%;
    height: 64px;
    padding: 0 160px 0 60px;
    background: var(--blog-bg);
    border: 2px solid var(--blog-border);
    border-radius: var(--blog-radius-2xl);
    font-family: var(--font);
    font-size: 16px;
    color: var(--blog-text);
    outline: none;
    transition: var(--blog-transition-slow);
    box-shadow: var(--blog-shadow);
}

.blog-search-input::placeholder {
    color: var(--blog-text-light);
}

.blog-search-input:focus {
    border-color: var(--blog-primary);
    box-shadow: var(--blog-shadow-md), 0 0 0 4px rgba(var(--blog-primary-rgb), 0.1);
}

.blog-search-kbd {
    position: absolute;
    right: 130px;
    display: flex;
    gap: 4px;
}

.blog-search-kbd kbd {
    font-family: var(--font);
    font-size: 11px;
    padding: 5px 10px;
    background: var(--blog-bg-subtle);
    border: 1px solid var(--blog-border);
    border-radius: 8px;
    color: var(--blog-text-light);
}

.blog-search-btn {
    position: absolute;
    right: 8px;
    height: 48px;
    padding: 0 28px;
    background: linear-gradient(135deg, var(--blog-primary), var(--blog-primary-light));
    border: none;
    border-radius: var(--blog-radius-xl);
    font-family: var(--font);
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: var(--blog-transition-slow);
    box-shadow: 0 4px 12px rgba(var(--blog-primary-rgb), 0.35);
}

.blog-search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--blog-primary-rgb), 0.45);
}

/* Search Dropdown */
.blog-search-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    background: var(--blog-bg);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius-xl);
    box-shadow: var(--blog-shadow-lg);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--blog-transition-slow);
    overflow: hidden;
}

.blog-search-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-item {
    display: block;
    padding: 16px 24px;
    font-family: var(--font);
    font-size: 15px;
    color: var(--blog-text);
    text-decoration: none;
    border-bottom: 1px solid var(--blog-border);
    transition: var(--blog-transition);
}

.search-item:last-child { border-bottom: none; }
.search-item:hover { background: rgba(var(--blog-primary-rgb), 0.05); }

/* ========================================
   CATEGORIES
   ======================================== */
.blog-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 2rem;
}

.blog-cat-btn {
    padding: 12px 24px;
    background: var(--blog-bg);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius-full);
    font-family: var(--font);
    font-size: 14px;
    font-weight: 500;
    color: var(--blog-text-muted);
    cursor: pointer;
    transition: var(--blog-transition-slow);
    box-shadow: var(--blog-shadow-sm);
}

.blog-cat-btn:hover {
    border-color: var(--cat-color, var(--blog-primary));
    color: var(--cat-color, var(--blog-primary));
    transform: translateY(-2px);
    box-shadow: var(--blog-shadow);
}

.blog-cat-btn.active {
    background: var(--cat-color, var(--blog-primary));
    border-color: var(--cat-color, var(--blog-primary));
    color: #fff;
    box-shadow: 0 4px 14px rgba(var(--blog-primary-rgb), 0.35);
}

/* ========================================
   TAGS
   ======================================== */
.blog-tags {
    text-align: center;
    margin-bottom: 1rem;
}

.blog-tags-label {
    display: block;
    font-family: var(--font);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--blog-text-light);
    margin-bottom: 16px;
}

.blog-tags-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.tag-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--blog-bg-subtle);
    border-radius: var(--blog-radius-full);
    font-family: var(--font);
    font-size: 13px;
    color: var(--blog-text-muted);
    text-decoration: none;
    transition: var(--blog-transition-slow);
}

.tag-link:hover,
.tag-link.active {
    background: linear-gradient(135deg, var(--blog-primary), var(--blog-accent));
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--blog-primary-rgb), 0.3);
}

.tag-link span {
    font-size: 11px;
    opacity: 0.7;
}

/* ========================================
   MAIN & GRID
   ======================================== */
.blog-main {
    max-width: var(--blog-max-width);
    margin: 0 auto;
    padding: 3rem 2rem 5rem;
}

.blog-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--blog-border);
}

.blog-list-title {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--font);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blog-text);
    margin: 0;
}

.blog-list-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--blog-primary), var(--blog-accent));
    border-radius: var(--blog-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(var(--blog-primary-rgb), 0.3);
}

.blog-list-icon svg {
    width: 24px;
    height: 24px;
    color: #fff;
}

.blog-list-count {
    font-family: var(--font);
    font-size: 14px;
    color: var(--blog-text-muted);
    padding: 8px 18px;
    background: var(--blog-bg-subtle);
    border-radius: var(--blog-radius-full);
}

/* Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
    gap: 28px;
    margin-bottom: 3rem;
}

/* ========================================
   CARD
   ======================================== */
.blog-card {
    display: flex;
    gap: 24px;
    padding: 28px;
    background: var(--blog-bg);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius-xl);
    text-decoration: none;
    transition: var(--blog-transition-slow);
    box-shadow: var(--blog-shadow);
}

.blog-card:hover {
    border-color: rgba(var(--blog-primary-rgb), 0.2);
    box-shadow: var(--blog-shadow-md), var(--blog-shadow-glow);
    transform: translateY(-4px);
}

.blog-card-icon {
    flex: 0 0 auto;
    width: 64px;
    height: 64px;
    padding: 16px;
    border-radius: var(--blog-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-card-icon svg {
    width: 100%;
    height: 100%;
    color: #fff;
}

.blog-card-body {
    flex: 1;
    min-width: 0;
}

.blog-card-category {
    display: inline-block;
    font-family: var(--font);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.blog-card-title {
    font-family: var(--font);
    font-size: 17px;
    font-weight: 600;
    color: var(--blog-text);
    line-height: 1.4;
    margin: 0 0 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--blog-transition);
}

.blog-card:hover .blog-card-title {
    color: var(--blog-primary);
}

.blog-card-excerpt {
    font-family: var(--font);
    font-size: 14px;
    color: var(--blog-text-muted);
    line-height: 1.6;
    margin: 0 0 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-family: var(--font);
    font-size: 13px;
    color: var(--blog-text-light);
}

.blog-card-meta svg {
    width: 14px;
    height: 14px;
    margin-right: 4px;
}

.blog-card-meta span {
    display: inline-flex;
    align-items: center;
}

/* ========================================
   FEATURED
   ======================================== */
.blog-featured {
    margin-bottom: 4rem;
}

.blog-featured-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #FF6B6B, #EE5A24);
    border-radius: var(--blog-radius-full);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 14px rgba(238, 90, 36, 0.35);
}

.blog-featured-badge svg {
    width: 16px;
    height: 16px;
}

.blog-featured-card {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    background: var(--blog-bg);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius-2xl);
    overflow: hidden;
    text-decoration: none;
    transition: var(--blog-transition-slow);
    box-shadow: var(--blog-shadow-md);
}

.blog-featured-card:hover {
    box-shadow: var(--blog-shadow-lg), var(--blog-shadow-glow);
    transform: translateY(-6px);
}

.blog-featured-visual {
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-featured-icon-wrap {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--blog-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.blog-featured-icon-wrap svg {
    width: 60px;
    height: 60px;
    color: #fff;
}

.blog-featured-content {
    padding: 3.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.blog-featured-category {
    display: inline-block;
    padding: 8px 16px;
    border-radius: var(--blog-radius-full);
    font-family: var(--font);
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
    width: fit-content;
}

.blog-featured-title {
    font-family: var(--font);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--blog-text);
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
    transition: var(--blog-transition);
}

.blog-featured-card:hover .blog-featured-title {
    color: var(--blog-primary);
}

.blog-featured-excerpt {
    font-family: var(--font);
    font-size: 16px;
    color: var(--blog-text-muted);
    line-height: 1.7;
    margin: 0 0 1.5rem;
}

.blog-featured-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font);
    font-size: 14px;
    color: var(--blog-text-light);
}

/* ========================================
   PAGINATION
   ======================================== */
.blog-pagination {
    display: flex;
    justify-content: center;
    margin: 3rem 0 4rem;
}

.blog-pagination-list {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.blog-pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    height: 48px;
    padding: 0 18px;
    background: var(--blog-bg);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius-md);
    font-family: var(--font);
    font-size: 15px;
    font-weight: 500;
    color: var(--blog-text-muted);
    text-decoration: none;
    transition: var(--blog-transition-slow);
    box-shadow: var(--blog-shadow-sm);
}

.blog-pagination-btn svg {
    width: 20px;
    height: 20px;
}

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

.blog-pagination-btn.active {
    background: linear-gradient(135deg, var(--blog-primary), var(--blog-primary-light));
    border-color: var(--blog-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(var(--blog-primary-rgb), 0.35);
}

.blog-pagination-dots {
    padding: 0 10px;
    color: var(--blog-text-light);
    font-family: var(--font);
}

/* ========================================
   NEWSLETTER
   ======================================== */
.blog-newsletter {
    background: linear-gradient(135deg, rgba(var(--blog-primary-rgb), 0.06) 0%, rgba(var(--blog-accent-rgb), 0.06) 100%);
    border: 1px solid rgba(var(--blog-primary-rgb), 0.12);
    border-radius: var(--blog-radius-2xl);
    padding: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-newsletter::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(var(--blog-primary-rgb), 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.blog-newsletter-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--blog-primary), var(--blog-accent));
    border-radius: var(--blog-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 24px rgba(var(--blog-primary-rgb), 0.35);
}

.blog-newsletter-icon svg {
    width: 40px;
    height: 40px;
    color: #fff;
}

.blog-newsletter-title {
    font-family: var(--font);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--blog-text);
    margin: 0 0 1rem;
}

.blog-newsletter-text {
    font-family: var(--font);
    font-size: 16px;
    color: var(--blog-text-muted);
    max-width: 480px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.blog-newsletter-form {
    display: flex;
    gap: 14px;
    max-width: 500px;
    margin: 0 auto;
}

.blog-newsletter-input {
    flex: 1;
    height: 56px;
    padding: 0 24px;
    background: var(--blog-bg);
    border: 2px solid var(--blog-border);
    border-radius: var(--blog-radius-full);
    font-family: var(--font);
    font-size: 16px;
    color: var(--blog-text);
    outline: none;
    transition: var(--blog-transition);
}

.blog-newsletter-input:focus {
    border-color: var(--blog-primary);
}

.blog-newsletter-btn {
    height: 56px;
    padding: 0 32px;
    background: linear-gradient(135deg, var(--blog-primary), var(--blog-primary-light));
    border: none;
    border-radius: var(--blog-radius-full);
    font-family: var(--font);
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--blog-transition-slow);
    box-shadow: 0 4px 14px rgba(var(--blog-primary-rgb), 0.35);
}

.blog-newsletter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--blog-primary-rgb), 0.45);
}

.blog-newsletter-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.blog-newsletter-msg {
    margin-top: 1.5rem;
    font-family: var(--font);
    font-size: 14px;
    font-weight: 500;
}

.blog-newsletter-msg.success { color: var(--blog-success); }
.blog-newsletter-msg.error { color: var(--blog-error); }

/* ========================================
   EMPTY STATE
   ======================================== */
.blog-empty {
    text-align: center;
    padding: 5rem 2rem;
}

.blog-empty-icon {
    width: 100px;
    height: 100px;
    background: var(--blog-bg-subtle);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.blog-empty-icon svg {
    width: 50px;
    height: 50px;
    color: var(--blog-text-light);
}

.blog-empty-title {
    font-family: var(--font);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--blog-text);
    margin: 0 0 0.75rem;
}

.blog-empty-text {
    font-family: var(--font);
    font-size: 16px;
    color: var(--blog-text-muted);
    margin: 0;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .blog-featured-card { grid-template-columns: 1fr; }
    .blog-featured-visual { aspect-ratio: 21/9; }
    .blog-featured-content { padding: 2.5rem; }
    .blog-grid { grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); }
}

@media (max-width: 768px) {
    .blog-hero { padding: 3rem 1.5rem 2rem; }
    .blog-hero h1 { font-size: 2.25rem; }
    .blog-search-kbd { display: none; }
    .blog-search-input { padding-right: 120px; }
    .blog-grid { grid-template-columns: 1fr; }
    .blog-main { padding: 2rem 1.5rem 3rem; }
    .blog-list-header { flex-direction: column; align-items: flex-start; gap: 14px; }
    .blog-newsletter { padding: 2.5rem 2rem; }
    .blog-newsletter-form { flex-direction: column; }
}

@media (max-width: 480px) {
    .blog-hero { padding: 2.5rem 1rem 1.5rem; }
    .blog-categories {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 10px;
        margin: 0 -1rem 2rem;
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .blog-cat-btn { flex-shrink: 0; }
    .blog-card { padding: 20px; gap: 18px; }
    .blog-card-icon { width: 52px; height: 52px; }
    .blog-main { padding: 1.5rem 1rem 2rem; }
}