/* ===================================
   Blog Post Styles
   =================================== */

/* ---------- Post Hero ---------- */
.post-hero {
    padding: 140px 0 60px;
    position: relative;
    overflow: hidden;
}

.post-hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(108, 92, 231, 0.1), transparent 70%);
}

.post-hero-content {
    position: relative;
    max-width: 800px;
}

.post-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
    transition: all var(--transition-fast);
}

.post-back-link:hover {
    color: var(--accent-1);
    gap: 12px;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.post-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 32px;
}

.post-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.post-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.post-author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    color: #fff;
}

.post-author-info {
    display: flex;
    flex-direction: column;
}

.post-author-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.post-author-role {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.post-meta-details {
    display: flex;
    align-items: center;
    gap: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.post-date,
.post-read-time {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ---------- Post Content ---------- */
.post-content {
    padding: 40px 0 100px;
    position: relative;
    z-index: 1;
}

.post-body {
    max-width: 760px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text-secondary);
}

.post-body h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 56px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    scroll-margin-top: 100px;
}

.heading-hash {
    color: var(--accent-1);
    font-family: var(--font-mono);
    font-weight: 400;
    opacity: 0.5;
    font-size: 1.2rem;
}

.post-body h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 36px;
    margin-bottom: 14px;
}

.post-body p {
    margin-bottom: 20px;
}

.post-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.post-body em {
    color: var(--accent-2);
    font-style: italic;
}

/* ---------- Post Intro ---------- */
.post-intro {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.post-lead {
    font-size: 1.2rem;
    line-height: 1.9;
    color: var(--text-primary);
    font-weight: 400;
}

/* ---------- Callout Blocks ---------- */
.callout {
    display: flex;
    gap: 16px;
    padding: 24px;
    border-radius: var(--radius-md);
    margin: 28px 0;
    border: 1px solid;
}

.callout-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.callout-content p {
    margin: 0;
}

.callout-idea {
    background: rgba(108, 92, 231, 0.06);
    border-color: rgba(108, 92, 231, 0.2);
}

.callout-success {
    background: rgba(0, 210, 106, 0.06);
    border-color: rgba(0, 210, 106, 0.2);
}

.callout-warning {
    background: rgba(253, 121, 168, 0.06);
    border-color: rgba(253, 121, 168, 0.2);
}

/* ---------- Styled Lists ---------- */
.styled-list {
    list-style: none;
    margin: 20px 0;
    padding: 0;
}

.styled-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.styled-list li:last-child {
    border-bottom: none;
}

.list-icon {
    flex-shrink: 0;
    font-size: 1.1rem;
    margin-top: 2px;
}

/* ---------- Code Block ---------- */
.code-block {
    margin: 28px 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.4);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-color);
}

.code-dots {
    display: flex;
    gap: 6px;
}

.code-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.code-dots span:first-child { background: #ff5f57; }
.code-dots span:nth-child(2) { background: #febc2e; }
.code-dots span:last-child { background: #28c840; }

.code-filename {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.code-block pre {
    padding: 24px;
    overflow-x: auto;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--accent-2);
}

/* ---------- Version Flow ---------- */
.version-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 28px 0;
    padding: 32px 20px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.version-node {
    padding: 8px 20px;
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.2);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.version-node.highlight {
    background: var(--accent-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}

.version-arrow {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 1.2rem;
}

/* ---------- Highlight Box ---------- */
.highlight-box {
    position: relative;
    padding: 32px;
    margin: 32px 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.08), rgba(0, 206, 201, 0.06));
    border: 1px solid rgba(108, 92, 231, 0.2);
    overflow: hidden;
}

.highlight-box-glow {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.15), transparent);
    border-radius: 50%;
    pointer-events: none;
}

.highlight-text {
    position: relative;
    font-size: 1.1rem;
    line-height: 1.8;
    margin: 0;
}

/* ---------- Principle Cards ---------- */
.principle-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin: 28px 0;
}

.principle-card {
    padding: 28px 24px;
    text-align: center;
}

.principle-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.principle-card h3 {
    font-size: 1rem;
    margin-top: 0;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.principle-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin: 0;
    font-style: italic;
}

/* ---------- Comparison Block ---------- */
.comparison-block {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 16px;
    align-items: center;
    margin: 32px 0;
    padding: 32px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.comparison-before,
.comparison-after {
    text-align: center;
}

.comparison-before h4,
.comparison-after h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.comparison-before p,
.comparison-after p {
    font-size: 0.88rem;
    margin: 0;
    color: var(--text-muted);
}

.comparison-before h4 { color: var(--accent-3); }
.comparison-after h4 { color: var(--accent-2); }

.comparison-vs {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-muted);
    padding: 0 8px;
}

/* ---------- Post Closing ---------- */
.post-closing {
    text-align: center;
    padding: 48px 24px;
    margin: 40px 0;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.06), rgba(0, 206, 201, 0.04));
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.closing-emoji {
    font-size: 3rem;
    margin-bottom: 16px;
}

.post-closing p {
    font-size: 1.1rem;
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ---------- Post Divider ---------- */
.post-divider {
    border: none;
    height: 1px;
    background: var(--border-color);
    margin: 48px 0;
}

/* ---------- Author Card ---------- */
.post-author-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px;
    margin-bottom: 32px;
}

.author-card-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.4rem;
    color: #fff;
    flex-shrink: 0;
}

.author-card-info h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    margin-top: 0;
    color: var(--text-primary);
}

.author-card-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.author-card-links {
    display: flex;
    gap: 16px;
}

.author-card-links a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-1);
    font-size: 0.85rem;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.author-card-links a:hover {
    color: var(--accent-2);
}

/* ---------- Post Footer Actions ---------- */
.post-footer-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* ---------- Reading Progress Bar ---------- */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--accent-gradient);
    z-index: 1001;
    transition: width 0.1s linear;
    border-radius: 0 2px 2px 0;
}

/* ---------- Mobile Responsive ---------- */
@media (max-width: 768px) {
    .post-hero {
        padding-top: 100px;
    }

    .post-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .comparison-block {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .comparison-vs {
        padding: 8px 0;
    }

    .post-author-card {
        flex-direction: column;
        text-align: center;
    }

    .author-card-links {
        justify-content: center;
    }

    .version-flow {
        gap: 4px;
    }

    .version-node {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}