/* ===== BLOG PAGE CSS =====
   blog.php
   Con Humanized UX: Live search, loading states, empty states
*/

/* ===== OCULTAR SKIP LINK ===== */
.skip-link, .skip-to-content, [aria-label="Skip to main content"] {
    display: none !important;
}

/* ===== HERO SECTION ===== */
.blog-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 8rem 0 3rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,50 Q300,100 600,50 T1200,50 L1200,0 L0,0 Z" fill="rgba(255,255,255,0.1)"></path></svg>');
    background-repeat: repeat-x;
    background-size: auto 50px;
    opacity: 0.5;
    animation: wave 15s linear infinite;
}

@keyframes wave {
    0% { transform: translateX(0); }
    100% { transform: translateX(100%); }
}

.blog-hero .container {
    position: relative;
    z-index: 1;
}

.blog-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.blog-hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    opacity: 0.95;
    margin: 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* ===== FILTERS SECTION ===== */
.filters-section {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 3rem;
    border: 1px solid var(--border-color);
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.filters-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filters-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ===== SEARCH BOX (HUMANIZED) ===== */
.search-box {
    position: relative;
    flex: 1;
    min-width: 250px;
    max-width: 350px;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-section);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
    background: var(--bg-primary);
}

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

.search-box i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
    transition: color var(--transition);
}

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

/* ===== LIVE SEARCH RESULTS ===== */
.live-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.result-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.result-item:last-child {
    border-bottom: none;
}

.result-item:hover {
    background: var(--bg-section);
    padding-left: 1.5rem;
    color: var(--primary);
}

.searching {
    padding: 1rem;
    text-align: center;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.empty-result {
    padding: 1.5rem 1rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.results-count {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding: 0 1rem;
    white-space: nowrap;
}

/* ===== BLOG GRID ===== */
.blog-container {
    min-height: 400px;
    margin-bottom: 3rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

/* ===== BLOG CARD ===== */
.blog-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.blog-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary);
}

.blog-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-section) 0%, var(--bg-secondary) 100%);
    position: relative;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.1) brightness(0.95);
}

.blog-card-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-date {
    font-size: var(--font-size-sm);
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.75rem 0;
    line-height: 1.4;
}

.blog-card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 1rem 0;
    flex: 1;
}

.blog-card-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    margin-top: 1rem;
    transition: var(--transition);
}

.blog-card:hover .read-more {
    gap: 1rem;
    color: var(--secondary);
    transform: translateX(2px);
}

/* ===== SKELETON LOADING (HUMANIZED) ===== */
.blog-card.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-section) 25%,
        var(--bg-secondary) 50%,
        var(--bg-section) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    cursor: wait;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-image {
    width: 100%;
    height: 200px;
    background: var(--bg-secondary);
}

.skeleton-title {
    height: 20px;
    background: var(--bg-secondary);
    margin: 1rem;
    border-radius: 4px;
}

.skeleton-text {
    height: 60px;
    background: var(--bg-secondary);
    margin: 0 1rem 1rem 1rem;
    border-radius: 4px;
}

/* ===== EMPTY STATE (HUMANIZED) ===== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-section);
    border-radius: var(--border-radius);
    border: 2px dashed var(--border-color);
}

.empty-state i {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    opacity: 0.6;
}

.empty-state h3 {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ===== PAGINATION ===== */
.pagination-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
}

.pagination-btn:hover:not(.disabled) {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--bg-section);
    transform: translateY(-2px);
}

.pagination-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(233, 30, 99, 0.3);
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0 0.75rem;
    white-space: nowrap;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .blog-hero {
        padding: 4rem 0;
    }

    .blog-hero h1 {
        font-size: clamp(2rem, 5vw, 2.5rem);
    }

    .filters-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .filters-actions {
        width: 100%;
        flex-direction: column;
    }

    .search-box {
        width: 100%;
        max-width: 100%;
    }

    .blog-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .pagination-info {
        display: none;
    }
}

@media (max-width: 480px) {
    .blog-hero {
        padding: 3rem 0;
    }

    .blog-hero h1 {
        font-size: 1.75rem;
    }

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

    .filters-section {
        padding: 1.5rem;
    }

    .search-box {
        padding: 0;
    }

    .search-box input {
        font-size: 16px; /* Prevent zoom on iOS */
    }

    .blog-card-content {
        padding: 1rem;
    }

    .pagination-btn {
        min-width: 36px;
        height: 36px;
    }
}