/* ===========================================
   BLOG STYLES - Lista Virtual
   =========================================== */

/* ---------- VARIABLES ---------- */
:root {
    --blog-font: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --blog-heading-font: 'Open Sans', sans-serif;
    --blog-primary: #7b2ff7;
    --blog-secondary: #e91e8c;
    --blog-gradient: linear-gradient(135deg, #7b2ff7 0%, #e91e8c 100%);
    --blog-text: #1e293b;
    --blog-text-muted: #64748b;
    --blog-bg: #f8fafc;
    --blog-card-bg: #ffffff;
    --blog-border: #e2e8f0;
    --blog-radius: 16px;
    --blog-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    --blog-shadow-hover: 0 12px 40px rgba(123, 47, 247, 0.12);
    --blog-max-width: 1200px;
    --blog-content-max: 1060px;
}

/* ---------- GLOBAL RESETS ---------- */
.blog-page {
    font-family: var(--blog-font);
    color: var(--blog-text);
    background: var(--blog-bg);
    line-height: 1.7;
}

/* ---------- BLOG HERO ---------- */
.blog-hero {
    max-width: var(--blog-max-width);
    margin: 140px auto 0;
    padding: 50px 40px 45px;
    text-align: center;
    position: relative;
}

.blog-hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--blog-text);
    margin-bottom: 10px;
    line-height: 1.25;
}

.blog-hero h1 span {
    background: var(--blog-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero p {
    font-size: 1.05rem;
    color: var(--blog-text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ---------- BREADCRUMBS ---------- */
.blog-breadcrumbs {
    max-width: var(--blog-max-width);
    margin: 0 auto;
    padding: 20px 20px 0;
    font-size: 0.85rem;
    color: var(--blog-text-muted);
}

.blog-breadcrumbs a {
    color: var(--blog-primary);
    text-decoration: none;
    transition: opacity 0.2s;
}

.blog-breadcrumbs a:hover {
    opacity: 0.8;
}

.blog-breadcrumbs span {
    margin: 0 6px;
    color: #cbd5e1;
}

/* ---------- CATEGORY FILTER ---------- */
.blog-categories {
    max-width: var(--blog-max-width);
    margin: 25px auto 10px;
    padding: 0 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.blog-cat-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 50px;
    border: 1.5px solid var(--blog-border);
    background: var(--blog-card-bg);
    color: var(--blog-text-muted);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s ease;
}

.blog-cat-btn:hover,
.blog-cat-btn.active {
    border-color: var(--blog-primary);
    color: var(--blog-primary);
    background: rgba(123, 47, 247, 0.06);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(123, 47, 247, 0.1);
}

/* ---------- POST GRID ---------- */
.blog-grid-wrapper {
    max-width: var(--blog-max-width);
    margin: 30px auto 60px;
    padding: 0 20px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}

/* ---------- POST CARD ---------- */
.blog-card {
    background: var(--blog-card-bg);
    border-radius: var(--blog-radius);
    overflow: hidden;
    box-shadow: var(--blog-shadow);
    transition: all 0.35s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

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

.blog-card-image {
    width: 100%;
    height: 210px;
    object-fit: cover;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

.blog-card-body {
    padding: 22px 24px 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card-category {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: 50px;
    width: fit-content;
    margin-bottom: 12px;
}

.blog-card-title {
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 10px;
    color: var(--blog-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-excerpt {
    font-size: 0.92rem;
    color: var(--blog-text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.8rem;
    color: #94a3b8;
    border-top: 1px solid var(--blog-border);
    padding-top: 14px;
    margin-top: auto;
}

.blog-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ---------- SINGLE POST LAYOUT ---------- */
.post-hero {
    max-width: var(--blog-max-width);
    margin: 140px auto 0;
    padding: 40px 20px 30px;
    text-align: center;
}

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

.post-hero .post-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 18px;
}

.post-hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--blog-text);
}

.post-hero-meta {
    display: flex;
    justify-content: center;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--blog-text-muted);
}

.post-hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* ---------- POST CONTENT ---------- */
.post-content-wrapper {
    max-width: var(--blog-content-max);
    margin: 10px auto 60px;
    padding: 0 20px;
    position: relative;
}

.post-content-card {
    background: var(--blog-card-bg);
    border-radius: var(--blog-radius);
    box-shadow: var(--blog-shadow);
    padding: 40px 45px;
}

/* Post Image */
.post-featured-image {
    width: calc(100% + 90px);
    margin: -40px -45px 35px;
    height: 380px;
    object-fit: cover;
    border-radius: var(--blog-radius) var(--blog-radius) 0 0;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

/* Prose Typography */
.post-prose h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--blog-text);
    margin: 36px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid #f1f5f9;
}

.post-prose h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--blog-text);
    margin: 28px 0 12px;
}

.post-prose p {
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 18px;
    color: #334155;
}

.post-prose ul, .post-prose ol {
    margin: 14px 0 20px 20px;
    color: #334155;
}

.post-prose li {
    margin-bottom: 8px;
    line-height: 1.7;
    font-size: 1.02rem;
}

.post-prose strong {
    color: var(--blog-text);
    font-weight: 700;
}

.post-prose a {
    color: var(--blog-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: opacity 0.2s;
}

.post-prose a:hover {
    opacity: 0.75;
}

.post-prose blockquote {
    border-left: 4px solid var(--blog-primary);
    background: rgba(123, 47, 247, 0.04);
    padding: 16px 20px;
    margin: 24px 0;
    border-radius: 0 12px 12px 0;
    font-style: italic;
    color: #475569;
}

.post-prose img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 20px 0;
}

/* ---------- CTA BANNER ---------- */
.blog-cta-banner {
    background: var(--blog-gradient);
    border-radius: 16px;
    padding: 35px 30px;
    text-align: center;
    color: white;
    margin: 36px 0;
    position: relative;
    overflow: hidden;
}

.blog-cta-banner::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 50%;
    height: 160%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    pointer-events: none;
}

.blog-cta-banner h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 10px;
    position: relative;
}

.blog-cta-banner p {
    opacity: 0.9;
    margin-bottom: 18px;
    font-size: 1rem;
    position: relative;
}

.blog-cta-btn {
    display: inline-block;
    background: white;
    color: var(--blog-primary);
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

.blog-cta-btn:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
    color: var(--blog-secondary);
}

/* ---------- SHARE BUTTONS ---------- */
.post-share {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid var(--blog-border);
    flex-wrap: wrap;
}

.post-share-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--blog-text);
}

.post-share a, .post-share button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    border: 1.5px solid var(--blog-border);
    background: var(--blog-card-bg);
    color: var(--blog-text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.post-share a:hover, .post-share button:hover {
    border-color: var(--blog-primary);
    color: var(--blog-primary);
    background: rgba(123, 47, 247, 0.04);
}

/* ---------- RELATED POSTS ---------- */
.related-posts {
    max-width: var(--blog-max-width);
    margin: 0 auto 60px;
    padding: 0 20px;
}

.related-posts h2 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--blog-text);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

/* ---------- TABLE OF CONTENTS ---------- */
.post-toc {
    background: #f8fafc;
    border: 1px solid var(--blog-border);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 30px;
}

.post-toc-title {
    font-size: 0.9rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--blog-text);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.post-toc ol {
    list-style: decimal;
    margin: 0;
    padding-left: 20px;
}

.post-toc li {
    margin-bottom: 6px;
}

.post-toc a {
    color: var(--blog-primary);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: opacity 0.2s;
}

.post-toc a:hover {
    opacity: 0.7;
    text-decoration: underline;
}

/* ---------- EMPTY STATE ---------- */
.blog-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--blog-text-muted);
}

.blog-empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
    .blog-hero {
        margin-top: 100px;
        padding: 30px 16px 25px;
    }

    .blog-hero h1 {
        font-size: 1.5rem;
    }

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

    .post-hero {
        margin-top: 100px;
    }

    .post-hero h1 {
        font-size: 1.5rem;
    }

    .post-hero-meta {
        flex-direction: column;
        gap: 6px;
    }

    .post-content-card {
        padding: 24px 20px;
    }

    .post-featured-image {
        width: calc(100% + 40px);
        margin: -24px -20px 24px;
        height: 220px;
    }

    .post-prose h2 {
        font-size: 1.3rem;
    }

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

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

    .blog-categories {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
    }

    .blog-cat-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .blog-hero h1 {
        font-size: 1.4rem;
    }

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