/* ========================================
   Premium Feature Styles
   ======================================== */

/* Author Box */
.author-box {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-2xl) 0;
    display: flex;
    gap: var(--spacing-lg);
    border-left: 4px solid var(--color-accent);
    align-items: flex-start;
}

.author-box img {
    border-radius: var(--radius-full);
}

.author-box h4 {
    margin-bottom: var(--spacing-xs);
}

/* Share Buttons */
.share-buttons {
    display: flex;
    gap: 10px;
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.share-buttons a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    color: #ffffff;
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: var(--transition-base);
}

.share-buttons a:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: #ffffff;
    text-decoration: none;
}

/* Post Stats */
.post-stats {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    flex-wrap: wrap;
    border: 1px solid var(--color-border-light);
}

.post-stats span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-primary);
    font-weight: 500;
}

/* TOC Widget */
.toc-widget {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
    border-left: 4px solid var(--color-accent);
}

.toc-widget h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.toc-widget ul {
    list-style: none;
    padding: 0;
}

.toc-widget li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.toc-widget li:last-child {
    border-bottom: none;
}

.toc-widget li.toc-h3 {
    padding-left: var(--spacing-md);
}

.toc-widget a {
    color: var(--color-accent);
    text-decoration: none;
    transition: var(--transition-base);
}

.toc-widget a:hover {
    color: var(--color-text-primary);
}

/* Save to List Button */
.save-to-list-btn {
    background: none;
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
    padding: 10px 15px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    font-weight: 600;
    font-size: 0.95rem;
    font-family: var(--font-primary);
}

.save-to-list-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
}

.save-to-list-btn.saved {
    background-color: var(--color-accent);
    color: var(--color-text-inverse);
}

/* Image Gallery */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: var(--spacing-md) 0;
}

.image-gallery .gallery-item {
    overflow: hidden;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.image-gallery .gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

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

/* Ad Spaces */
.ad-space {
    text-align: center;
    background: var(--color-bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--color-border);
}

.ad-widget {
    background: transparent;
    padding: 0;
}

.ad-widget .ad-space {
    margin: 0;
}

/* Related Posts */
.related-posts {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-border);
}

.related-posts h3 {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* Table of Contents Links */
.post-content > h2,
.post-content > h3 {
    scroll-margin-top: 100px;
}

/* Subscription Box */
.subscription-box {
    background: linear-gradient(135deg, var(--color-accent) 0%, #7A6538 100%);
    color: var(--color-text-inverse);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.subscription-box h3 {
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-sm);
}

.subscription-box p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.subscription-form {
    display: flex;
    gap: 10px;
    max-width: 500px;
    margin: 0 auto;
}

.subscription-form input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
}

.subscription-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

/* Call to Action Box */
.cta-box {
    background: linear-gradient(135deg, var(--color-success) 0%, #4A7560 100%);
    color: var(--color-text-inverse);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.cta-box h3 {
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-sm);
}

.cta-box p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.cta-box .btn {
    margin: 0 10px;
}

/* Info Box */
.info-box {
    background: #EEF2F7;
    border-left: 4px solid #3B6B9C;
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    margin: var(--spacing-md) 0;
    color: #2C4F78;
}

.info-box strong {
    color: #2C4F78;
}

/* Success Box */
.success-box {
    background: #EDF5F0;
    border-left: 4px solid var(--color-success);
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    margin: var(--spacing-md) 0;
    color: #4A7560;
}

/* Warning Box */
.warning-box {
    background: #FDF8ED;
    border-left: 4px solid var(--color-warning);
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    margin: var(--spacing-md) 0;
    color: #92400e;
}

/* Rating Stars */
.rating-stars {
    display: flex;
    gap: 5px;
    align-items: center;
    font-size: 1.5rem;
    margin: var(--spacing-sm) 0;
}

.rating-stars span {
    cursor: pointer;
    transition: var(--transition-base);
}

.rating-stars span:hover,
.rating-stars span.active {
    transform: scale(1.2);
    color: var(--color-accent);
}

/* Dark Mode Premium Overrides */
body.dark-mode .ad-space {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}

body.dark-mode .author-box {
    background-color: var(--color-bg-secondary);
    border-left-color: var(--color-accent);
}

body.dark-mode .toc-widget {
    background-color: var(--color-bg-secondary);
    border-left-color: var(--color-accent);
}

body.dark-mode .post-stats {
    background-color: var(--color-bg-secondary);
    border-color: var(--color-border);
}

body.dark-mode .post-stats span {
    color: var(--color-text-primary);
}

body.dark-mode .info-box {
    background: #1A3050;
    color: #7BA7C9;
    border-left-color: #7BA7C9;
}

body.dark-mode .success-box {
    background: #0F2420;
    color: #6BA88E;
    border-left-color: #6BA88E;
}

body.dark-mode .warning-box {
    background: #4A3510;
    color: #D4A04A;
    border-left-color: #D4A04A;
}

/* Responsive Premium Features */
@media (max-width: 768px) {
    .author-box {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .post-stats {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .subscription-form {
        flex-direction: column;
    }

    .subscription-form input,
    .subscription-form button {
        width: 100%;
    }

    .cta-box .btn {
        display: block;
        width: 100%;
        margin: 10px 0;
    }

    .share-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .author-box {
        padding: var(--spacing-md);
    }

    .toc-widget {
        padding: var(--spacing-md);
    }

    .post-stats {
        padding: var(--spacing-sm);
        gap: 6px;
    }

    .post-stats span {
        font-size: 0.85rem;
    }

    .subscription-box,
    .cta-box {
        padding: var(--spacing-md);
    }

    .image-gallery {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

/* Print Styles */
@media print {
    .dark-mode-toggle,
    .search-toggle,
    .scroll-to-top,
    .sidebar,
    .ad-space,
    .share-buttons,
    .site-header,
    .site-footer {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: white;
    }

    .post-content {
        width: 100%;
        max-width: none;
    }

    a {
        color: inherit;
    }

    img {
        max-width: 100%;
    }
}