/*
Theme Name: LightSEO
Description: Легкая, адаптивная и SEO-оптимизированная тема в светлых тонах. (v1.4 - TinyMCE Buttons)
Author: Web Developer
Version: 1.4
Text Domain: lightseo
*/
:root {
    --bg-color: #f8f9fa;
    --content-bg: #ffffff;
    --text-color: #333333;
    --text-muted: #6c757d;
    --link-color: #0d6efd;
    --border-color: #e9ecef;
    --container-width: 1200px;
}
body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}
a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}
a:hover {
    text-decoration: underline;
    color: #0a58ca;
}
.site-header {
    background-color: var(--content-bg);
    padding: 24px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}
.site-title {
    margin: 0 0 5px 0;
    font-size: 2rem;
    font-weight: 700;
}
.site-title a {
    color: var(--text-color);
}
.site-description {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.95rem;
}
.main-navigation ul {
    list-style: none;
    padding: 0;
    margin: 20px 0 0 0;
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.main-navigation a {
    color: var(--text-color);
    font-weight: 500;
}
.main-navigation .current-menu-item > a,
.main-navigation .current-menu-item > span {
    cursor: default;
    color: var(--text-muted);
    text-decoration: none;
    pointer-events: none; 
}

.breadcrumbs {
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.breadcrumbs ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}
.breadcrumbs li {
    display: flex;
    align-items: center;
}
.breadcrumbs a {
    color: var(--text-muted);
}
.breadcrumbs a:hover {
    color: var(--link-color);
}

.post {
    background-color: var(--content-bg);
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    margin-bottom: 40px;
}
.entry-title {
    margin: 0 0 15px 0;
    font-size: 1.75rem;
}
.entry-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}
.site-footer {
    text-align: center;
    padding: 40px 0;
    margin-top: 60px;
    background-color: var(--content-bg);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

.read-more-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 8px 16px;
    background-color: var(--link-color);
    color: #fff;
    border-radius: 4px;
    font-weight: 500;
}
.read-more-btn:hover {
    background-color: #0a58ca;
    color: #fff;
    text-decoration: none;
}

.post-navigation {
    margin: 40px 0;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}
.post-navigation .nav-links {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}
.post-navigation .nav-previous, 
.post-navigation .nav-next {
    flex: 1;
}
.post-navigation .nav-next {
    text-align: right;
}
.nav-subtitle {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}
.nav-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.related-posts {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}
.related-posts h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.related-item h4 {
    margin: 10px 0 0 0;
    font-size: 1.1rem;
}
.related-item h4 a {
    color: var(--text-color);
}
.related-thumb img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    transition: opacity 0.2s;
}
.related-thumb img:hover {
    opacity: 0.8;
}

.info-block {
    padding: 15px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
    border-left: 4px solid;
}
.info-block.info-bg {
    background-color: #e9f7fe;
    border-color: #3498db;
    color: #31708f;
}
.info-block.warning-bg {
    background-color: #fff8e1;
    border-color: #ffc107;
    color: #8a6d3b;
}
.info-block.success-bg {
    background-color: #e8f5e9;
    border-color: #4caf50;
    color: #3c763d;
}

#scrollToTop {
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    font-size: 20px;
    border: none;
    outline: none;
    background-color: var(--link-color);
    color: white;
    cursor: pointer;
    padding: 12px 18px;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    transition: background-color 0.3s;
}
#scrollToTop:hover {
    background-color: #0a58ca;
}

@media (max-width: 768px) {
    .site-title { font-size: 1.5rem; }
    .main-navigation ul { flex-direction: column; gap: 12px; }
    .post { padding: 20px; }
    .post-navigation .nav-links { flex-direction: column; gap: 15px; }
    .post-navigation .nav-next { text-align: left; }
    #scrollToTop { bottom: 20px; right: 20px; padding: 10px 15px; }
}