/* ============================================
   BLOG PAGE STYLES
   Cyberpunk blog with neon aesthetics
   ============================================ */

/* Page Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--darker-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 2rem;
}

.loader-bar {
    width: 300px;
    height: 4px;
    background: var(--card-bg);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto 1rem;
}

.loader-progress {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-cyan));
    animation: loadProgress 2s ease-in-out forwards;
}

@keyframes loadProgress {
    0% { width: 0%; }
    100% { width: 100%; }
}

.loader-text {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
    animation: pulseText 1.5s ease-in-out infinite;
}

@keyframes pulseText {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Navigation Controls */
.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--neon-cyan);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.4);
    transform: scale(1.1);
}

.theme-icon {
    position: absolute;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.theme-icon.light {
    opacity: 0;
    transform: translateY(20px) rotate(180deg);
}

.theme-icon.dark {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
}

/* Light mode state */
body.light-mode .theme-icon.light {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
}

body.light-mode .theme-icon.dark {
    opacity: 0;
    transform: translateY(-20px) rotate(-180deg);
}

/* Blog Page Layout */
.blog-page {
    padding-top: 100px;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

.blog-header {
    margin-bottom: 3rem;
}

/* Blog Filter */
.blog-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-glow);
    color: var(--text-secondary);
    padding: 0.5rem 1.5rem;
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--neon-pink);
    border-color: var(--neon-pink);
    color: var(--text-primary);
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.4);
}

/* Featured Post */
.featured-post {
    margin-bottom: 4rem;
}

.post-card {
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    overflow: hidden;
    transition: all 0.4s ease;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 245, 255, 0.1);
    border-color: var(--neon-cyan);
}

.post-card.featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.post-image {
    position: relative;
    min-height: 400px;
    overflow: hidden;
}

.post-image-placeholder {
    width: 100%;
    height: 100%;
    min-height: 400px;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--card-bg) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.post-image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(90deg, transparent 49%, rgba(0, 245, 255, 0.03) 50%, transparent 51%),
        linear-gradient(0deg, transparent 49%, rgba(0, 245, 255, 0.03) 50%, transparent 51%);
    background-size: 20px 20px;
    animation: scanlines 8s linear infinite;
}

@keyframes scanlines {
    0% { transform: translate(0, 0); }
    100% { transform: translate(20px, 20px); }
}

.image-icon {
    font-size: 6rem;
    position: relative;
    z-index: 1;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: all 0.4s ease;
}

.post-card:hover .image-icon {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.1);
}

.post-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--neon-pink);
    color: var(--text-primary);
    padding: 0.25rem 1rem;
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 2px;
    z-index: 2;
}

.post-badge.new {
    background: var(--neon-cyan);
    color: var(--darker-bg);
}

.post-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.post-card.featured .post-content {
    padding: 3rem;
}

.post-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.post-category {
    color: var(--neon-pink);
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 2px;
}

.post-date,
.post-read {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.post-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.post-card.featured .post-title {
    font-size: 2.5rem;
}

.post-excerpt {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.post-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-glow);
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
}

.author-details {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
}

.author-role {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.read-more {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--neon-cyan);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: var(--neon-pink);
    gap: 1rem;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.blog-grid .post-card {
    display: flex;
    flex-direction: column;
}

.blog-grid .post-image {
    min-height: 220px;
}

.blog-grid .post-image-placeholder {
    min-height: 220px;
}

.blog-grid .image-icon {
    font-size: 3.5rem;
}

.blog-grid .post-content {
    flex: 1;
    padding: 1.5rem;
}

.blog-grid .post-title {
    font-size: 1.25rem;
}

.blog-grid .post-excerpt {
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

/* Post card hidden state for filtering */
.post-card.hidden {
    display: none;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.page-btn {
    background: transparent;
    border: 1px solid var(--border-glow);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover:not(:disabled) {
    background: var(--neon-cyan);
    border-color: var(--neon-cyan);
    color: var(--darker-bg);
}

.page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: 0.5rem;
}

.page-num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    font-family: var(--font-display);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-num:hover,
.page-num.active {
    background: var(--neon-pink);
    border-color: var(--neon-pink);
    color: var(--text-primary);
}

.page-dots {
    display: flex;
    align-items: center;
    color: var(--text-muted);
    padding: 0 0.5rem;
}

/* Blog Newsletter */
.blog-newsletter {
    margin-bottom: 4rem;
}

.newsletter-box {
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--darker-bg) 100%);
    border: 1px solid var(--border-glow);
    padding: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.newsletter-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-pink), transparent);
    animation: borderGlow 3s ease-in-out infinite;
}

@keyframes borderGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.newsletter-box h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.newsletter-box p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-inline {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-inline input {
    flex: 1;
    background: var(--darker-bg);
    border: 1px solid var(--border-glow);
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.newsletter-inline input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.2);
}

.newsletter-inline .cta-button {
    white-space: nowrap;
}

/* Responsive */
@media (max-width: 768px) {
    .blog-page {
        padding-top: 80px;
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .blog-header {
        margin-bottom: 2rem;
    }
    
    .post-card.featured {
        grid-template-columns: 1fr;
    }
    
    .post-card.featured .post-image,
    .post-image-placeholder {
        min-height: 200px;
    }
    
    .post-card.featured .post-content {
        padding: 1.25rem;
    }
    
    .post-card.featured .post-title {
        font-size: 1.25rem;
    }
    
    .post-title {
        font-size: 1.1rem;
    }
    
    .post-image {
        min-height: 180px;
    }
    
    .post-image-placeholder {
        min-height: 180px;
    }
    
    .image-icon {
        font-size: 4rem;
    }
    
    .post-content {
        padding: 1.25rem;
    }
    
    .post-meta {
        gap: 1rem;
        margin-bottom: 0.75rem;
    }
    
    .post-category {
        font-size: 0.7rem;
    }
    
    .post-date,
    .post-read {
        font-size: 0.8rem;
    }
    
    .post-excerpt {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 1rem;
    }
    
    .post-author {
        padding-top: 1rem;
        margin-bottom: 1rem;
    }
    
    .author-avatar {
        width: 40px;
        height: 40px;
        font-size: 0.8rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 3rem;
    }
    
    .blog-grid .post-image {
        min-height: 160px;
    }
    
    .blog-grid .post-image-placeholder {
        min-height: 160px;
    }
    
    .blog-grid .image-icon {
        font-size: 2.5rem;
    }
    
    .blog-grid .post-content {
        padding: 1rem;
    }
    
    .blog-grid .post-title {
        font-size: 1rem;
    }
    
    .blog-grid .post-excerpt {
        font-size: 0.85rem;
    }
    
    .blog-filter {
        gap: 0.5rem;
        margin-top: 1.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.7rem;
        min-height: 44px;
        letter-spacing: 1px;
    }
    
    /* Pagination Mobile */
    .pagination {
        gap: 0.75rem;
        margin-bottom: 3rem;
    }
    
    .page-btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.75rem;
        min-height: 44px;
    }
    
    .page-numbers {
        order: -1;
        width: 100%;
        justify-content: center;
        gap: 0.35rem;
    }
    
    .page-num {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }
    
    /* Newsletter Mobile */
    .blog-newsletter {
        margin-bottom: 3rem;
    }
    
    .newsletter-box {
        padding: 1.5rem;
    }
    
    .newsletter-box h2 {
        font-size: 1.25rem;
    }
    
    .newsletter-box p {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }
    
    .newsletter-inline {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .newsletter-inline input {
        padding: 0.875rem 1rem;
        font-size: 1rem;
        min-height: 44px;
    }
    
    .newsletter-inline .cta-button {
        width: 100%;
        min-height: 44px;
    }
    
    /* Nav Controls Mobile */
    .nav-controls {
        gap: 0.5rem;
    }
    
    .theme-toggle {
        width: 40px;
        height: 40px;
    }
    
    /* Page Loader Mobile */
    .loader-logo {
        font-size: 1.5rem;
    }
    
    .loader-bar {
        width: 200px;
    }
}

@media (max-width: 480px) {
    .blog-page {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    .post-card.featured .post-image,
    .post-image-placeholder {
        min-height: 160px;
    }
    
    .image-icon {
        font-size: 3rem;
    }
    
    .post-card.featured .post-title {
        font-size: 1.1rem;
    }
    
    .blog-filter {
        gap: 0.35rem;
    }
    
    .filter-btn {
        padding: 0.4rem 0.75rem;
        font-size: 0.65rem;
    }
    
    .newsletter-box {
        padding: 1.25rem;
    }
    
    .newsletter-box h2 {
        font-size: 1.1rem;
    }
}

/* Skeleton Loading States */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--card-bg) 25%,
        var(--darker-bg) 50%,
        var(--card-bg) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

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

.skeleton-title {
    height: 24px;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.skeleton-text {
    height: 16px;
    margin-bottom: 0.5rem;
    border-radius: 4px;
}

.skeleton-text.short {
    width: 60%;
}

/* Light Mode Styles */
body.light-mode {
    --dark-bg: #f5f5fa;
    --darker-bg: #e8e8f0;
    --card-bg: #ffffff;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-muted: #7a7a9a;
    --border-glow: rgba(0, 245, 255, 0.2);
}

body.light-mode .navbar {
    background: rgba(245, 245, 250, 0.95);
}

body.light-mode .post-image-placeholder {
    background: linear-gradient(135deg, #e8e8f0 0%, #ffffff 100%);
}

body.light-mode .newsletter-box {
    background: linear-gradient(135deg, #ffffff 0%, #e8e8f0 100%);
}