/* ═══════════════════════════════════════════════════════════
   BOGA RAGHAVENDRA — Personal Blog Hub Styles
   Theme: Calm, Minimalist, Smoky, Lora/Inter paired typography
   ═══════════════════════════════════════════════════════════ */

/* ─── Blog Listing Hero ─── */
.blog-hero {
    padding: calc(var(--section-pad) + 1rem) 0 2rem;
    position: relative;
    border-bottom: 1px solid var(--smoke-border);
}

.blog-hero-label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.blog-hero-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 500;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.blog-hero-subtitle {
    font-size: clamp(0.95rem, 1.8vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 650px;
    line-height: 1.7;
}

/* ─── Controls Bar (Search + Filter Tabs) ─── */
.controls-section {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--smoke-border);
    position: sticky;
    top: 70px;
    z-index: 100;
    background: rgba(7, 7, 8, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

.controls-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

/* Minimalist Filter Tabs */
.filter-tabs {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.filter-tabs::-webkit-scrollbar {
    display: none;
}

.filter-tab {
    background: transparent;
    border: 1px solid var(--smoke-border);
    color: var(--text-secondary);
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    white-space: nowrap;
}

.filter-tab:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.filter-tab.active {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* Search Bar */
.search-bar-wrapper {
    position: relative;
    width: 280px;
    flex-shrink: 0;
}

.search-icon {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-dim);
    pointer-events: none;
    transition: color 0.3s ease;
}

#blog-search {
    width: 100%;
    padding: 0.55rem 1rem 0.55rem 2.4rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--smoke-border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.88rem;
    transition: all 0.3s var(--ease-out);
    outline: none;
}

#blog-search:focus {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--accent);
}

#blog-search:focus + .search-icon {
    color: var(--accent);
}

/* ─── Articles Grid ─── */
.articles-grid-section {
    padding: 4rem 0 var(--section-pad);
    min-height: 400px;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 Columns is calmer and cleaner */
    gap: 2.5rem;
    transition: opacity 0.3s ease;
}

/* Post Card Styling */
.blog-post-card {
    background: transparent;
    border: 1px solid var(--smoke-border);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
}

.blog-post-card:hover {
    transform: translateY(-4px);
    border-color: var(--smoke-border-hover);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.card-img-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-bottom: 1px solid var(--smoke-border);
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out);
}

.blog-post-card:hover .card-img {
    transform: scale(1.03);
}

.card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.post-category-pill {
    color: var(--accent-light);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.post-read-time {
    color: var(--text-dim);
    font-size: 0.8rem;
}

.post-title {
    font-size: 1.35rem;
    font-weight: 500;
    line-height: 1.35;
    margin-bottom: 1rem;
}

.post-title a {
    transition: color 0.3s ease;
}

.post-title a:hover {
    color: var(--accent);
}

.post-excerpt {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 1.8rem;
    flex-grow: 1;
}

.post-author-bar {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    border-top: 1px solid var(--smoke-border);
    padding-top: 1.2rem;
}

.author-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    color: var(--bg-primary);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-name {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-primary);
}

.post-date {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-left: auto;
}

/* JavaScript Filter Classes */
.blog-post-card.hide {
    display: none !important;
}

/* Empty State */
.blog-empty-state {
    display: none;
    text-align: center;
    padding: 5rem 2rem;
    max-width: 500px;
    margin: 0 auto;
}

.blog-empty-state svg {
    width: 48px;
    height: 48px;
    color: var(--text-dim);
    margin-bottom: 1.2rem;
}

.blog-empty-state h3 {
    font-size: 1.35rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.blog-empty-state p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* ─── Media Queries ─── */
@media (max-width: 768px) {
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .controls-wrapper {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .search-bar-wrapper {
        width: 100%;
    }
    
    .controls-section {
        top: 60px;
    }
}