/**
 * WealthFromAI Single Post Template
 * Premium article layout with glassmorphism and reading optimization
 *
 * @package WealthFromAI
 * @version 1.0.0
 */

/* ===========================
   POST HEADER
   =========================== */

.single-post-header {
    padding: var(--wfai-space-16) 0 var(--wfai-space-10);
    background: linear-gradient(180deg, var(--wfai-primary) 0%, var(--wfai-bg) 100%);
    position: relative;
    overflow: hidden;
}

.single-post-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.single-post-header .container {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--wfai-space-6);
}

/* Category Badge */
.post-category-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--wfai-space-1);
    padding: var(--wfai-space-1) var(--wfai-space-4);
    background: rgba(0, 212, 170, 0.15);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--wfai-radius-full);
    color: var(--wfai-secondary);
    font-family: var(--wfai-font-data);
    font-size: var(--wfai-text-xs);
    font-weight: var(--wfai-font-medium);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    margin-bottom: var(--wfai-space-6);
    transition: var(--wfai-transition-fast);
}

.post-category-badge:hover {
    background: rgba(0, 212, 170, 0.25);
    box-shadow: var(--wfai-glow-sm);
}

/* Post Title */
.single-post-title {
    font-family: var(--wfai-font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: var(--wfai-font-bold);
    line-height: 1.1;
    letter-spacing: var(--wfai-tracking-tight);
    color: var(--wfai-text);
    margin-bottom: var(--wfai-space-6);
}

/* Post Meta */
.single-post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--wfai-space-6);
    padding-top: var(--wfai-space-6);
    border-top: 1px solid var(--wfai-border-default);
}

.post-meta-item {
    display: flex;
    align-items: center;
    gap: var(--wfai-space-2);
    color: var(--wfai-text-muted);
    font-size: var(--wfai-text-sm);
}

.post-meta-item svg {
    width: 16px;
    height: 16px;
    color: var(--wfai-secondary);
}

.post-author-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--wfai-radius-full);
    border: 2px solid var(--wfai-secondary);
    object-fit: cover;
}

.post-author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.post-author-name {
    color: var(--wfai-text);
    font-weight: var(--wfai-font-semibold);
}

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

/* Reading Time Badge */
.reading-time-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--wfai-space-1);
    padding: var(--wfai-space-1) var(--wfai-space-2);
    background: var(--wfai-surface);
    border-radius: var(--wfai-radius-sm);
    font-family: var(--wfai-font-data);
    font-size: var(--wfai-text-xs);
    color: var(--wfai-text-muted);
}

/* ===========================
   FEATURED IMAGE
   =========================== */

.single-post-featured-image {
    max-width: 1000px;
    margin: calc(var(--wfai-space-16) * -0.5) auto var(--wfai-space-8);
    padding: 0 var(--wfai-space-6);
}

.single-post-featured-image img {
    width: 100%;
    height: auto;
    border-radius: var(--wfai-radius-xl);
    box-shadow: var(--wfai-shadow-xl);
}

/* ===========================
   ARTICLE CONTENT
   =========================== */

.single-post-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--wfai-space-6);
}

.single-post-content > * + * {
    margin-top: var(--wfai-space-6);
}

.single-post-content > h2 {
    margin-top: var(--wfai-space-10);
    font-family: var(--wfai-font-heading);
    font-size: var(--wfai-text-2xl);
    font-weight: var(--wfai-font-bold);
    color: var(--wfai-text);
}

.single-post-content > h3 {
    margin-top: var(--wfai-space-8);
    font-family: var(--wfai-font-heading);
    font-size: var(--wfai-text-xl);
    font-weight: var(--wfai-font-semibold);
    color: var(--wfai-text);
}

.single-post-content p {
    font-size: var(--wfai-text-base);
    line-height: var(--wfai-leading-relaxed);
    color: var(--wfai-text-muted);
}

.single-post-content a {
    color: var(--wfai-secondary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.single-post-content a:hover {
    color: var(--wfai-secondary-light);
}

/* Lists */
.single-post-content ul,
.single-post-content ol {
    padding-left: var(--wfai-space-6);
}

.single-post-content li {
    margin-bottom: var(--wfai-space-2);
    color: var(--wfai-text-muted);
}

/* Blockquotes */
.single-post-content blockquote {
    padding: var(--wfai-space-6);
    background: var(--wfai-glass-bg);
    border-left: 4px solid var(--wfai-secondary);
    border-radius: 0 var(--wfai-radius-lg) var(--wfai-radius-lg) 0;
    margin: var(--wfai-space-8) 0;
}

.single-post-content blockquote p {
    font-size: var(--wfai-text-lg);
    font-style: italic;
    color: var(--wfai-text);
    margin: 0;
}

/* Code Blocks */
.single-post-content pre {
    padding: var(--wfai-space-6);
    background: #0D1117;
    border: 1px solid var(--wfai-border-default);
    border-radius: var(--wfai-radius-lg);
    overflow-x: auto;
    margin: var(--wfai-space-8) 0;
}

.single-post-content pre code {
    font-family: var(--wfai-font-data);
    font-size: var(--wfai-text-sm);
    line-height: 1.7;
    color: #E6EDF3;
}

/* Inline Code */
.single-post-content p code,
.single-post-content li code {
    padding: 2px 6px;
    background: var(--wfai-surface);
    border: 1px solid var(--wfai-border-default);
    border-radius: var(--wfai-radius-sm);
    font-family: var(--wfai-font-data);
    font-size: 0.9em;
    color: var(--wfai-secondary);
}

/* Images */
.single-post-content img {
    border-radius: var(--wfai-radius-lg);
    box-shadow: var(--wfai-shadow-md);
}

.single-post-content figure {
    margin: var(--wfai-space-8) 0;
}

.single-post-content figcaption {
    margin-top: var(--wfai-space-2);
    font-size: var(--wfai-text-sm);
    color: var(--wfai-text-subtle);
    text-align: center;
    font-style: italic;
}

/* ===========================
   POST FOOTER
   =========================== */

.single-post-footer {
    max-width: 800px;
    margin: var(--wfai-space-10) auto;
    padding: 0 var(--wfai-space-6);
}

/* Tags */
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--wfai-space-2);
    padding: var(--wfai-space-6) 0;
    border-top: 1px solid var(--wfai-border-default);
    border-bottom: 1px solid var(--wfai-border-default);
}

.post-tag {
    padding: var(--wfai-space-1) var(--wfai-space-4);
    background: var(--wfai-surface);
    border: 1px solid var(--wfai-border-default);
    border-radius: var(--wfai-radius-full);
    color: var(--wfai-text-muted);
    font-size: var(--wfai-text-xs);
    text-decoration: none;
    transition: var(--wfai-transition-fast);
}

.post-tag:hover {
    background: rgba(0, 212, 170, 0.1);
    border-color: var(--wfai-secondary);
    color: var(--wfai-secondary);
}

/* Share Buttons */
.post-share {
    display: flex;
    align-items: center;
    gap: var(--wfai-space-4);
    padding: var(--wfai-space-6) 0;
}

.post-share-label {
    font-family: var(--wfai-font-data);
    font-size: var(--wfai-text-xs);
    font-weight: var(--wfai-font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--wfai-text-muted);
}

.post-share-buttons {
    display: flex;
    gap: var(--wfai-space-2);
}

.post-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--wfai-surface);
    border: 1px solid var(--wfai-border-default);
    border-radius: var(--wfai-radius-full);
    color: var(--wfai-text-muted);
    transition: var(--wfai-transition-fast);
}

.post-share-btn:hover {
    background: var(--wfai-secondary);
    border-color: var(--wfai-secondary);
    color: var(--wfai-primary);
}

/* ===========================
   AUTHOR BOX
   =========================== */

.post-author-box {
    padding: var(--wfai-space-8);
    background: var(--wfai-glass-bg);
    backdrop-filter: var(--wfai-glass-blur);
    -webkit-backdrop-filter: var(--wfai-glass-blur);
    border: 1px solid var(--wfai-border-default);
    border-radius: var(--wfai-radius-xl);
    margin: var(--wfai-space-10) 0;
}

.post-author-box-inner {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--wfai-space-6);
    align-items: start;
}

.post-author-box-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--wfai-radius-full);
    border: 3px solid var(--wfai-secondary);
    object-fit: cover;
}

.post-author-box-content h4 {
    font-family: var(--wfai-font-heading);
    font-size: var(--wfai-text-lg);
    font-weight: var(--wfai-font-bold);
    color: var(--wfai-text);
    margin-bottom: var(--wfai-space-1);
}

.post-author-box-role {
    font-family: var(--wfai-font-data);
    font-size: var(--wfai-text-xs);
    color: var(--wfai-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--wfai-space-4);
}

.post-author-box-bio {
    color: var(--wfai-text-muted);
    font-size: var(--wfai-text-sm);
    line-height: var(--wfai-leading-relaxed);
    margin-bottom: var(--wfai-space-4);
}

/* ===========================
   POST NAVIGATION
   =========================== */

.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--wfai-space-6);
    padding: var(--wfai-space-8) 0;
    border-top: 1px solid var(--wfai-border-default);
    margin-top: var(--wfai-space-10);
}

.post-nav-link {
    display: flex;
    flex-direction: column;
    gap: var(--wfai-space-1);
    padding: var(--wfai-space-6);
    background: var(--wfai-glass-bg);
    backdrop-filter: var(--wfai-glass-blur);
    -webkit-backdrop-filter: var(--wfai-glass-blur);
    border: 1px solid var(--wfai-border-default);
    border-radius: var(--wfai-radius-lg);
    text-decoration: none;
    transition: var(--wfai-transition-normal);
}

.post-nav-link:hover {
    border-color: var(--wfai-secondary);
    box-shadow: var(--wfai-glow-sm);
}

.post-nav-link--next {
    text-align: right;
}

.post-nav-label {
    font-family: var(--wfai-font-data);
    font-size: var(--wfai-text-xs);
    font-weight: var(--wfai-font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--wfai-secondary);
}

.post-nav-title {
    font-family: var(--wfai-font-heading);
    font-size: var(--wfai-text-base);
    font-weight: var(--wfai-font-semibold);
    color: var(--wfai-text);
    line-height: var(--wfai-leading-snug);
}

/* ===========================
   NEWSLETTER CTA (In-post)
   =========================== */

.post-newsletter-cta {
    padding: var(--wfai-space-10);
    text-align: center;
    margin: var(--wfai-space-10) 0;
    position: relative;
    overflow: hidden;
}

.post-newsletter-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--wfai-secondary), var(--wfai-accent));
}

.post-newsletter-cta h3 {
    font-family: var(--wfai-font-heading);
    font-size: var(--wfai-text-xl);
    font-weight: var(--wfai-font-bold);
    color: var(--wfai-text);
    margin-bottom: var(--wfai-space-2);
}

.post-newsletter-cta p {
    color: var(--wfai-text-muted);
    margin-bottom: var(--wfai-space-6);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form-inner {
    display: flex;
    gap: var(--wfai-space-2);
    max-width: 400px;
    margin: 0 auto var(--wfai-space-4);
}

.newsletter-privacy {
    font-size: var(--wfai-text-xs);
    color: var(--wfai-text-subtle);
}

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 768px) {
    .single-post-header {
        padding: var(--wfai-space-10) 0 var(--wfai-space-8);
    }

    .single-post-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }

    .single-post-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--wfai-space-4);
    }

    .single-post-featured-image {
        margin-top: 0;
    }

    .post-author-box-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .post-author-box-avatar {
        margin: 0 auto;
    }

    .post-navigation {
        grid-template-columns: 1fr;
    }

    .post-nav-link--next {
        text-align: left;
    }

    .newsletter-form-inner {
        flex-direction: column;
    }
}