/* ============================================
   BLOG PAGES — Premium Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --blog-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --blog-primary: #22c55e;
    --blog-primary-dark: #15803d;
    --blog-primary-deep: #064e3b;
    --blog-gray-50: #f8fafc;
    --blog-gray-100: #f1f5f9;
    --blog-gray-200: #e2e8f0;
    --blog-gray-300: #cbd5e1;
    --blog-gray-500: #64748b;
    --blog-gray-600: #475569;
    --blog-gray-700: #334155;
    --blog-gray-800: #1e293b;
    --blog-gray-900: #0f172a;
    --blog-white: #ffffff;
    --blog-radius: 12px;
    --blog-radius-lg: 16px;
    --blog-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    --blog-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.12);
    --blog-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body.blog-body {
    font-family: var(--blog-font);
    background: var(--blog-gray-50);
    color: var(--blog-gray-800);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ═══════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════ */
.blog-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 40px;
    background: var(--blog-white);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    transition: var(--blog-transition);
}

.blog-nav .logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.blog-nav .logo-img {
    height: 42px;
    width: auto;
    border-radius: 6px;
}

.blog-nav .nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.blog-nav .nav-links a {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--blog-primary-dark);
    text-decoration: none;
    padding: 8px 18px;
    border-radius: 8px;
    border: 1px solid rgba(21, 128, 61, 0.3);
    transition: var(--blog-transition);
}

.blog-nav .nav-links a:hover {
    background: rgba(21, 128, 61, 0.1);
    border-color: var(--blog-primary-dark);
}

/* ═══════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════ */
.blog-hero {
    position: relative;
    width: 100%;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 66px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--blog-primary-deep) 0%, #0a4a2e 100%);
}

.blog-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/static/assets/css/MyImage/blog/hero.png') center center / cover no-repeat;
    opacity: 0.3;
}

.blog-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6, 78, 59, 0.6) 0%, rgba(6, 78, 59, 0.9) 100%);
}

.blog-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 20px;
}

.blog-hero-badge {
    display: inline-block;
    background: rgba(34, 197, 94, 0.2);
    color: #86efac;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 50px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(134, 239, 172, 0.3);
}

.blog-hero h1 {
    font-size: 52px;
    font-weight: 800;
    color: var(--blog-white);
    margin-bottom: 16px;
    line-height: 1.15;
    letter-spacing: -0.5px;
}

.blog-hero p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════
   SEARCH & FILTER BAR
   ═══════════════════════════════════════════════ */
.blog-toolbar {
    max-width: 1200px;
    margin: -40px auto 0;
    padding: 0 24px;
    position: relative;
    z-index: 10;
}

.toolbar-card {
    background: var(--blog-white);
    border-radius: var(--blog-radius-lg);
    padding: 20px 28px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--blog-gray-300);
    font-size: 16px;
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    border: 2px solid var(--blog-gray-200);
    border-radius: 10px;
    font-size: 15px;
    font-family: var(--blog-font);
    color: var(--blog-gray-800);
    transition: var(--blog-transition);
    outline: none;
    background: var(--blog-gray-50);
}

.search-box input:focus {
    border-color: var(--blog-primary);
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.1);
    background: var(--blog-white);
}

.search-box input::placeholder {
    color: var(--blog-gray-300);
}

.category-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 8px 18px;
    border-radius: 50px;
    border: 1.5px solid var(--blog-gray-200);
    background: var(--blog-white);
    font-size: 13px;
    font-weight: 600;
    font-family: var(--blog-font);
    color: var(--blog-gray-600);
    cursor: pointer;
    transition: var(--blog-transition);
    text-decoration: none;
    display: inline-block;
}

.category-btn:hover,
.category-btn.active {
    background: var(--blog-primary);
    color: var(--blog-white);
    border-color: var(--blog-primary);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.25);
}

/* ═══════════════════════════════════════════════
   BLOG GRID
   ═══════════════════════════════════════════════ */
.blog-grid-section {
    max-width: 1200px;
    margin: 50px auto 80px;
    padding: 0 24px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.blog-card {
    background: var(--blog-white);
    border-radius: var(--blog-radius);
    overflow: hidden;
    box-shadow: var(--blog-shadow);
    transition: var(--blog-transition);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--blog-shadow-hover);
}

.blog-card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-img {
    transform: scale(1.05);
}

.blog-card-img-wrapper {
    overflow: hidden;
    border-radius: var(--blog-radius) var(--blog-radius) 0 0;
    position: relative;
}

.blog-card-category {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--blog-primary);
    color: var(--blog-white);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

.blog-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--blog-gray-500);
    margin-bottom: 12px;
}

.blog-card-meta i {
    color: var(--blog-primary);
    font-size: 12px;
}

.blog-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--blog-gray-900);
    margin-bottom: 10px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card p {
    font-size: 14px;
    color: var(--blog-gray-600);
    line-height: 1.7;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 20px;
}

.blog-card .read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--blog-primary-dark);
    font-weight: 600;
    text-decoration: none;
    transition: var(--blog-transition);
    margin-top: auto;
}

.blog-card .read-more i {
    font-size: 11px;
    transition: transform 0.3s ease;
}

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

.blog-card .read-more:hover i {
    transform: translateX(4px);
}

/* Empty state */
.blog-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
}

.blog-empty i {
    font-size: 64px;
    color: var(--blog-gray-200);
    margin-bottom: 20px;
}

.blog-empty h3 {
    font-size: 22px;
    color: var(--blog-gray-700);
    margin-bottom: 8px;
}

.blog-empty p {
    color: var(--blog-gray-500);
    font-size: 15px;
}

/* ═══════════════════════════════════════════════
   BLOG DETAIL PAGE
   ═══════════════════════════════════════════════ */
.blog-detail-hero {
    position: relative;
    width: 100%;
    height: 500px;
    margin-top: 66px;
    overflow: hidden;
}

.blog-detail-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-detail-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
}

.blog-detail-hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
    padding: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.blog-detail-hero-content .category-badge {
    display: inline-block;
    background: var(--blog-primary);
    color: var(--blog-white);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.blog-detail-hero-content h1 {
    font-size: 40px;
    font-weight: 800;
    color: var(--blog-white);
    line-height: 1.25;
    margin-bottom: 16px;
}

.blog-detail-hero-content .detail-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.blog-detail-hero-content .detail-meta i {
    color: var(--blog-primary);
    margin-right: 6px;
}

/* Article body */
.blog-article {
    max-width: 800px;
    margin: 50px auto 80px;
    padding: 0 24px;
}

.blog-article-content {
    background: var(--blog-white);
    border-radius: var(--blog-radius-lg);
    padding: 48px;
    box-shadow: var(--blog-shadow);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.blog-article-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--blog-gray-900);
    margin-top: 36px;
    margin-bottom: 16px;
    line-height: 1.3;
}

.blog-article-content p {
    font-size: 16px;
    color: var(--blog-gray-700);
    line-height: 1.85;
    margin-bottom: 18px;
}

.blog-article-content ul {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.blog-article-content ul li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    font-size: 15px;
    color: var(--blog-gray-700);
    line-height: 1.7;
}

.blog-article-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--blog-primary);
    font-weight: 700;
    font-size: 16px;
}

.blog-article-content strong {
    color: var(--blog-gray-900);
    font-weight: 700;
}

/* Back to blog link */
.back-to-blog {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 30px;
    font-size: 14px;
    font-weight: 600;
    color: var(--blog-primary-dark);
    text-decoration: none;
    transition: var(--blog-transition);
}

.back-to-blog:hover {
    color: var(--blog-primary);
}

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.blog-footer {
    background: var(--blog-gray-900);
    padding: 40px 0 24px;
    text-align: center;
}

.blog-footer p {
    color: var(--blog-gray-500);
    font-size: 14px;
}

.blog-footer a {
    color: var(--blog-primary);
    text-decoration: none;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 992px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .blog-hero h1 {
        font-size: 38px;
    }
}

@media (max-width: 768px) {
    .blog-nav {
        padding: 10px 16px;
    }

    .blog-hero {
        min-height: 340px;
    }

    .blog-hero h1 {
        font-size: 30px;
    }

    .blog-hero p {
        font-size: 16px;
    }

    .toolbar-card {
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
    }

    .search-box {
        min-width: unset;
    }

    .category-filters {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .blog-detail-hero {
        height: 350px;
    }

    .blog-detail-hero-content {
        padding: 24px;
    }

    .blog-detail-hero-content h1 {
        font-size: 26px;
    }

    .blog-article-content {
        padding: 28px 20px;
    }
}

@media (max-width: 480px) {
    .blog-hero h1 {
        font-size: 26px;
    }

    .blog-card-img {
        height: 180px;
    }
}