/* ============================================
   BLOG PANEL - SHADER JOURNAL AESTHETIC
   A premium, rendering-focused blog design
   ============================================ */

/* === BLOG PANEL BASE === */
.blog-panel {
    position: relative;
    background: linear-gradient(165deg,
        rgba(8, 12, 18, 0.98) 0%,
        rgba(12, 18, 28, 0.95) 50%,
        rgba(8, 14, 22, 0.98) 100%);
    overflow: hidden;
}

/* Animated grid background */
.blog-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(45, 212, 191, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(45, 212, 191, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 70%);
    animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.7; }
}

/* Floating glow orbs */
.blog-glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0.4;
}

.blog-glow-orb.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(232, 185, 35, 0.15) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: orbFloat1 12s ease-in-out infinite;
}

.blog-glow-orb.orb-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.12) 0%, transparent 70%);
    bottom: -50px;
    left: -50px;
    animation: orbFloat2 15s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-30px, 20px) scale(1.1); }
    66% { transform: translate(20px, -10px) scale(0.95); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -30px) scale(1.15); }
}

/* === BLOG CONTAINER === */
.blog-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
    gap: var(--space-lg);
}

/* === BLOG HEADER === */
.blog-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-md);
    flex-shrink: 0;
    transition: opacity 0.3s ease, max-height 0.4s ease, margin 0.4s ease, padding 0.4s ease;
}

.blog-title-section {
    align-items: center;
}

.blog-filters {
    justify-content: center;
}

/* Hide header when viewing article */
.blog-panel.article-view .blog-header {
    opacity: 0;
    max-height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
    pointer-events: none;
}

.blog-title-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.blog-status-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.blog-status-bar .status-led {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-teal);
    box-shadow: 0 0 8px var(--accent-teal), 0 0 16px rgba(45, 212, 191, 0.4);
    animation: ledPulse 2s ease-in-out infinite;
}

@keyframes ledPulse {
    0%, 100% { opacity: 0.7; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1.05); }
}

.blog-status-bar .status-divider {
    color: rgba(255, 255, 255, 0.2);
}

.blog-status-bar .post-count {
    color: var(--accent-teal);
}

.blog-main-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.blog-main-title .title-glyph {
    color: var(--accent-gold);
    font-weight: 300;
    opacity: 0.7;
}

.blog-main-title .title-text {
    background: linear-gradient(135deg, var(--text-primary) 0%, rgba(232, 232, 237, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: 0;
    max-width: 500px;
}

/* === CATEGORY FILTERS === */
.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-chip {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    background: rgba(20, 28, 38, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.filter-chip .chip-icon {
    display: flex;
    opacity: 0.6;
    transition: opacity 0.25s;
}

.filter-chip:hover {
    background: rgba(30, 40, 55, 0.8);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

.filter-chip:hover .chip-icon {
    opacity: 1;
}

.filter-chip.active {
    background: linear-gradient(135deg, rgba(45, 212, 191, 0.15) 0%, rgba(45, 212, 191, 0.08) 100%);
    border-color: rgba(45, 212, 191, 0.4);
    color: var(--accent-teal);
    box-shadow: 0 0 20px rgba(45, 212, 191, 0.1);
}

.filter-chip.active .chip-icon {
    opacity: 1;
}

.filter-chip.active .chip-icon svg {
    stroke: var(--accent-teal);
}

/* === BLOG CONTENT WRAPPER === */
.blog-content-wrapper {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

.blog-list-view,
.blog-post-view {
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(45, 212, 191, 0.3) transparent;
}

.blog-list-view::-webkit-scrollbar,
.blog-post-view::-webkit-scrollbar {
    width: 6px;
}

.blog-list-view::-webkit-scrollbar-track,
.blog-post-view::-webkit-scrollbar-track {
    background: transparent;
}

.blog-list-view::-webkit-scrollbar-thumb,
.blog-post-view::-webkit-scrollbar-thumb {
    background: rgba(45, 212, 191, 0.3);
    border-radius: 3px;
}

.blog-post-view {
    display: none;
}

.blog-post-view.active {
    display: block;
}

.blog-list-view.hidden {
    display: none;
}

/* === BLOG POSTS GRID === */
.blog-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-md);
    padding-bottom: var(--space-md);
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
}

/* Loading State */
.blog-loading {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 4rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-sm);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(45, 212, 191, 0.2);
    border-top-color: var(--accent-teal);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty State */
.blog-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-sm);
    background: rgba(20, 28, 38, 0.3);
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}

/* === BLOG POST CARD === */
.blog-post-card {
    position: relative;
    background: linear-gradient(145deg,
        rgba(18, 26, 36, 0.9) 0%,
        rgba(14, 20, 28, 0.95) 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    animation: cardReveal 0.5s ease-out backwards;
}

.blog-post-card:nth-child(1) { animation-delay: 0.1s; }
.blog-post-card:nth-child(2) { animation-delay: 0.15s; }
.blog-post-card:nth-child(3) { animation-delay: 0.2s; }
.blog-post-card:nth-child(4) { animation-delay: 0.25s; }
.blog-post-card:nth-child(5) { animation-delay: 0.3s; }
.blog-post-card:nth-child(6) { animation-delay: 0.35s; }

@keyframes cardReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.blog-post-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(232, 185, 35, 0.08) 0%,
        transparent 50%);
    opacity: 0;
    transition: opacity 0.35s;
    pointer-events: none;
}

.blog-post-card:hover {
    transform: translateY(-4px);
    border-color: rgba(232, 185, 35, 0.3);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(232, 185, 35, 0.1),
        0 0 40px rgba(232, 185, 35, 0.05);
}

.blog-post-card:hover::before {
    opacity: 1;
}

/* Featured Card Variant - same layout as regular cards, just with badge */
.blog-post-card.featured {
    /* No special layout - uses same stacked thumbnail/content as other cards */
}

/* Card Thumbnail */
.card-thumbnail {
    position: relative;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg,
        rgba(30, 40, 55, 0.8) 0%,
        rgba(20, 28, 38, 0.9) 100%);
    overflow: hidden;
}

.card-thumbnail::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(45deg, transparent 45%, rgba(45, 212, 191, 0.05) 50%, transparent 55%),
        linear-gradient(-45deg, transparent 45%, rgba(232, 185, 35, 0.05) 50%, transparent 55%);
    background-size: 30px 30px;
    animation: shaderPattern 20s linear infinite;
}

@keyframes shaderPattern {
    0% { background-position: 0 0, 0 0; }
    100% { background-position: 60px 60px, -60px 60px; }
}

.card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
    transition: transform 0.5s ease, opacity 0.3s;
}

.blog-post-card:hover .card-thumbnail img {
    transform: scale(1.05);
    opacity: 1;
}

/* Placeholder graphic for posts without images */
.card-thumbnail .placeholder-graphic {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-graphic svg {
    width: 80px;
    height: 80px;
    stroke: rgba(45, 212, 191, 0.3);
    stroke-width: 1;
    fill: none;
}

/* Category Badge */
.card-category {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 0.25rem 0.6rem;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(45, 212, 191, 0.3);
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: var(--accent-teal);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* New Badge */
.card-new-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 0.25rem 0.6rem;
    background: linear-gradient(135deg, rgba(45, 212, 191, 0.9) 0%, rgba(32, 178, 158, 0.9) 100%);
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--bg-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Card Content */
.card-content {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-secondary);
}

.card-meta .meta-date {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.card-meta .meta-read-time {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--accent-teal);
}

.card-meta .meta-separator {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.card-title {
    font-family: 'Outfit', sans-serif;
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    margin: 0;
    transition: color 0.25s;
}

.blog-post-card:hover .card-title {
    color: var(--accent-gold);
}

.card-excerpt {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: auto;
}

.card-tag {
    padding: 0.2rem 0.5rem;
    background: rgba(45, 212, 191, 0.08);
    border: 1px solid rgba(45, 212, 191, 0.15);
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: rgba(45, 212, 191, 0.8);
    text-transform: lowercase;
}

/* Read More Arrow */
.card-arrow {
    position: absolute;
    bottom: 1.25rem;
    right: 1.25rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(232, 185, 35, 0.1);
    border: 1px solid rgba(232, 185, 35, 0.2);
    border-radius: 50%;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.card-arrow svg {
    width: 16px;
    height: 16px;
    stroke: var(--accent-gold);
}

.blog-post-card:hover .card-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* === BACK TO LIST BUTTON === */
.back-to-list {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    margin-bottom: var(--space-md);
    background: rgba(20, 28, 38, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.25s ease;
}

.back-to-list:hover {
    background: rgba(30, 40, 55, 0.8);
    border-color: var(--accent-teal);
    color: var(--accent-teal);
}

.back-to-list svg {
    transition: transform 0.25s ease;
}

.back-to-list:hover svg {
    transform: translateX(-3px);
}

/* === BLOG ARTICLE === */
.blog-article {
    max-width: 100%;
    width: 100%;
    padding-bottom: var(--space-xl);
}

/* Full width container in article view */
.blog-panel.article-view .blog-container {
    max-width: 100%;
    padding: var(--space-md) var(--space-lg);
}

.blog-panel.article-view .blog-post-view {
    max-width: 1000px;
    margin: 0 auto;
}

/* Article Header */
.article-header {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: var(--space-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

.article-category {
    padding: 0.25rem 0.6rem;
    background: rgba(45, 212, 191, 0.1);
    border: 1px solid rgba(45, 212, 191, 0.3);
    border-radius: 4px;
    color: var(--accent-teal);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.article-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin: 0 0 0.5rem 0;
}

.article-subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-base);
    color: var(--accent-gold);
    margin: 0;
    opacity: 0.9;
}

/* Article Content Sections */
.article-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.article-section {
    animation: sectionReveal 0.4s ease-out backwards;
}

.article-section:nth-child(1) { animation-delay: 0.1s; }
.article-section:nth-child(2) { animation-delay: 0.15s; }
.article-section:nth-child(3) { animation-delay: 0.2s; }
.article-section:nth-child(4) { animation-delay: 0.25s; }
.article-section:nth-child(5) { animation-delay: 0.3s; }

@keyframes sectionReveal {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section: Intro */
.section-intro {
    font-size: var(--text-lg);
    color: var(--text-primary);
    line-height: 1.8;
    padding-left: 1rem;
    border-left: 3px solid var(--accent-gold);
}

/* Section: Heading */
.section-heading {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--space-md) 0 var(--space-sm) 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-heading::before {
    content: '//';
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-teal);
    opacity: 0.6;
}

h2.section-heading {
    font-size: var(--text-xl);
}

h3.section-heading {
    font-size: var(--text-lg);
}

/* Section: Paragraph */
.section-paragraph {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Section: Code Block */
.section-code {
    position: relative;
    background: linear-gradient(145deg,
        rgba(10, 15, 20, 0.95) 0%,
        rgba(8, 12, 18, 0.98) 100%);
    border: 1px solid rgba(45, 212, 191, 0.15);
    border-radius: 10px;
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: rgba(45, 212, 191, 0.05);
    border-bottom: 1px solid rgba(45, 212, 191, 0.1);
}

.code-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-primary);
    font-weight: 500;
}

.code-language {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--accent-teal);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.2rem 0.5rem;
    background: rgba(45, 212, 191, 0.1);
    border-radius: 4px;
}

.code-content {
    padding: 1rem 1.25rem;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(45, 212, 191, 0.2) transparent;
}

.code-content::-webkit-scrollbar {
    height: 6px;
}

.code-content::-webkit-scrollbar-track {
    background: transparent;
}

.code-content::-webkit-scrollbar-thumb {
    background: rgba(45, 212, 191, 0.2);
    border-radius: 3px;
}

.code-content pre {
    margin: 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.7;
    color: #c9d1d9;
    white-space: pre;
}

/* Syntax Highlighting */
.code-content .keyword { color: #ff7b72; }
.code-content .type { color: #79c0ff; }
.code-content .function { color: #d2a8ff; }
.code-content .number { color: #a5d6ff; }
.code-content .string { color: #a5d6ff; }
.code-content .comment { color: #8b949e; font-style: italic; }
.code-content .operator { color: #ff7b72; }
.code-content .punctuation { color: #c9d1d9; }

/* Section: List */
.section-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.section-list li {
    position: relative;
    padding-left: 1.5rem;
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.6;
}

.section-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background: var(--accent-teal);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(45, 212, 191, 0.4);
}

/* Section: Image */
.section-image {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.section-image img {
    width: 100%;
    height: auto;
    display: block;
}

.section-image figcaption {
    padding: 0.75rem 1rem;
    background: rgba(15, 20, 28, 0.8);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-xs);
    color: var(--text-secondary);
    text-align: center;
}

/* Section: Callout */
.section-callout {
    position: relative;
    padding: 1rem 1.25rem;
    padding-left: 3.5rem;
    background: rgba(20, 28, 38, 0.6);
    border-radius: 8px;
    border-left: 3px solid;
}

.section-callout::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 1rem;
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
}

.section-callout.tip {
    border-color: var(--accent-teal);
    background: rgba(45, 212, 191, 0.05);
}

.section-callout.tip::before {
    content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232dd4bf' stroke-width='2'%3E%3Cpath d='M12 2L2 7l10 5 10-5-10-5zM2 17l10 5 10-5M2 12l10 5 10-5'/%3E%3C/svg%3E");
}

.section-callout.warning {
    border-color: #f59e0b;
    background: rgba(245, 158, 11, 0.05);
}

.section-callout.warning::before {
    content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f59e0b' stroke-width='2'%3E%3Cpath d='M10.29 3.86L1.82 18a2 2 0 0 0 1.71 3h16.94a2 2 0 0 0 1.71-3L13.71 3.86a2 2 0 0 0-3.42 0z'/%3E%3Cline x1='12' y1='9' x2='12' y2='13'/%3E%3Cline x1='12' y1='17' x2='12.01' y2='17'/%3E%3C/svg%3E");
}

.section-callout.info {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.05);
}

.section-callout.info::before {
    content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233b82f6' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='12' y1='16' x2='12' y2='12'/%3E%3Cline x1='12' y1='8' x2='12.01' y2='8'/%3E%3C/svg%3E");
}

.section-callout p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Section: SVG Diagram */
.section-svg-diagram {
    margin: var(--space-md) 0;
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(145deg, rgba(15, 22, 30, 0.8) 0%, rgba(10, 16, 22, 0.9) 100%);
    border: 1px solid rgba(45, 212, 191, 0.15);
}

.section-svg-diagram .svg-container {
    padding: var(--space-md);
    display: flex;
    justify-content: center;
    margin: 0 auto;
}

.section-svg-diagram svg {
    display: block;
    overflow: visible;
}

.section-svg-diagram figcaption {
    padding: 0.75rem 1rem;
    background: rgba(45, 212, 191, 0.05);
    border-top: 1px solid rgba(45, 212, 191, 0.1);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-xs);
    color: var(--accent-teal);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* SVG Text Styles */
.section-svg-diagram .diagram-title {
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    font-weight: 600;
    fill: var(--text-primary);
}

.section-svg-diagram .diagram-label {
    font-family: 'Outfit', sans-serif;
    font-size: 13px;
    font-weight: 500;
    fill: var(--text-primary);
}

.section-svg-diagram .diagram-label-small {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 400;
    fill: var(--text-secondary);
}

.section-svg-diagram .diagram-label-tiny {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 400;
    fill: rgba(255, 255, 255, 0.6);
}

.svg-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-sm);
}

.svg-error {
    padding: 2rem;
    text-align: center;
    color: rgba(255, 100, 100, 0.8);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-sm);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .blog-container {
        padding: var(--space-md);
    }

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

    .blog-filters {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }

    .filter-chip {
        flex-shrink: 0;
    }

    .blog-article {
        padding-right: 0.5rem;
    }

    .section-code {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
}

@media (max-width: 480px) {
    .blog-main-title {
        font-size: 1.5rem;
    }

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

/* === SECTION: SHADER DEMO === */
.section-shader-demo {
    margin: var(--space-lg) 0;
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(145deg, rgba(10, 15, 20, 0.95) 0%, rgba(8, 12, 18, 0.98) 100%);
    border: 1px solid rgba(45, 212, 191, 0.2);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3), 0 0 40px rgba(45, 212, 191, 0.05);
}

.shader-canvas-container {
    position: relative;
    margin: 0 auto;
    background: #0a0f14;
}

.shader-canvas {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 8px 8px 0 0;
}

.shader-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 15, 20, 0.9);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.shader-loading.error {
    color: rgba(255, 100, 100, 0.9);
}

/* Shader Controls */
.shader-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: rgba(15, 22, 30, 0.6);
    border-top: 1px solid rgba(45, 212, 191, 0.1);
}

.shader-control {
    flex: 1;
    min-width: 180px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.shader-control label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.shader-control input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(20, 28, 38, 0.8);
    border-radius: 3px;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.shader-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, var(--accent-teal) 0%, rgba(45, 212, 191, 0.8) 100%);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(45, 212, 191, 0.4);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.shader-control input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 16px rgba(45, 212, 191, 0.6);
}

.shader-control input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, var(--accent-teal) 0%, rgba(45, 212, 191, 0.8) 100%);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px rgba(45, 212, 191, 0.4);
}

.shader-control .control-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent-teal);
    text-align: right;
}

/* Caption for shader demos */
.section-shader-demo figcaption {
    padding: 0.75rem 1rem;
    background: rgba(45, 212, 191, 0.05);
    border-top: 1px solid rgba(45, 212, 191, 0.1);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-xs);
    color: var(--accent-teal);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Mobile responsiveness for shader demos */
@media (max-width: 768px) {
    .section-shader-demo {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    .shader-controls {
        padding: var(--space-sm) var(--space-md);
        flex-direction: column;
    }

    .shader-control {
        min-width: 100%;
    }
}