/*
Theme Name: وبلاگ سه‌ستونه
Description: قالب ساده وبلاگی سه‌ستونه با پست‌های بزرگ در صفحه اصلی، راست‌چین (RTL) و بهینه‌شده برای سئو (متا، Open Graph، داده ساختاریافته JSON-LD، breadcrumb و ...).
Version: 1.2.0
Requires at least: 5.9
Tested up to: 6.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: tcb
*/

:root{
  --bg:#f2f5f4;
  --surface:#ffffff;
  --text:#17201d;
  --muted:#5f6b66;
  --accent:#0f766e;
  --accent-dark:#0b5a54;
  --accent-soft:#e3f2ef;
  --border:#dde4e1;
  --radius:10px;
  --container:1360px;
  --side:260px;
  --gap:28px;
  --font:Vazirmatn,Vazir,Tahoma,"Segoe UI",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.9;overflow-wrap:break-word}
img,video,iframe{max-width:100%}
img{height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid #f59e0b;outline-offset:2px}
h1,h2,h3,h4{line-height:1.5}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:20px}

.screen-reader-text{border:0;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;word-wrap:normal!important}
.skip-link{position:absolute;top:0;inset-inline-start:0;background:#000;color:#fff;padding:10px 16px;z-index:100;transform:translateY(-200%)}
.skip-link:focus{transform:none;top:10px;inset-inline-start:10px}

/* ---------- Header ---------- */
.site-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px 20px;min-height:76px}
.site-branding{display:flex;align-items:center;gap:14px;min-width:0}
.site-branding .custom-logo{max-height:52px;width:auto}
.site-title{margin:0;font-size:1.55rem;font-weight:800;line-height:1.3}
.site-title a{color:var(--text);text-decoration:none}
.site-description{margin:0;font-size:.85rem;color:var(--muted);line-height:1.5}

.header-actions{display:none;align-items:center;gap:8px;margin-inline-start:auto}
.nav-toggle,.search-toggle{display:inline-flex;align-items:center;justify-content:center;min-height:44px;background:var(--accent-soft);color:var(--accent-dark);border:0;border-radius:8px;padding:0 16px;font:inherit;font-weight:700;cursor:pointer}
.search-toggle{min-width:44px;padding:0}
.nav-toggle[aria-expanded="true"],.search-toggle[aria-expanded="true"]{background:var(--accent);color:#fff}
.primary-nav{min-width:0}
.primary-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:2px}
.primary-nav li{position:relative}
.primary-nav a{display:block;padding:8px 14px;border-radius:8px;color:var(--text);font-weight:600;font-size:.95rem}
.primary-nav a:hover,.primary-nav .current-menu-item>a,.primary-nav .current_page_item>a{background:var(--accent-soft);color:var(--accent-dark);text-decoration:none}
.primary-nav .sub-menu,.primary-nav .children{display:none;position:absolute;inset-inline-start:0;top:100%;min-width:200px;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:6px;box-shadow:0 8px 24px rgba(0,0,0,.08)}
.primary-nav li:hover>.sub-menu,.primary-nav li:focus-within>.sub-menu,
.primary-nav li:hover>.children,.primary-nav li:focus-within>.children{display:flex}

/* Header search */
.header-search{flex:0 0 auto}
.header-search__form{position:relative;display:flex;align-items:center;margin:0}
.header-search__field{-webkit-appearance:none;appearance:none;width:220px;max-width:100%;height:42px;margin:0;border:1px solid var(--border);border-radius:999px;background:#fafcfb;color:var(--text);font:inherit;font-size:.95rem;padding-block:0;padding-inline:16px 46px;transition:border-color .2s,box-shadow .2s,background .2s}
.header-search__field::placeholder{color:var(--muted);opacity:1}
.header-search__field::-webkit-search-cancel-button,.header-search__field::-webkit-search-decoration{-webkit-appearance:none;display:none}
.header-search__field:focus{background:#fff;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.header-search__submit{position:absolute;inset-inline-end:4px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:34px;height:34px;padding:0;border:0;border-radius:50%;background:var(--accent);color:#fff;cursor:pointer;transition:background .2s}
.header-search__submit:hover{background:var(--accent-dark)}

/* ---------- Three-column layout ----------
   DOM order: main → sidebar 1 → sidebar 2 (good for SEO & screen readers).
   Visual order: sidebar 1 | main | sidebar 2 */
.layout{display:grid;grid-template-columns:var(--side) minmax(0,1fr) var(--side);grid-template-areas:"side1 main side2";gap:var(--gap);padding-block:32px;align-items:start}
.main{grid-area:main;min-width:0}
.sidebar{min-width:0}
.sidebar-1{grid-area:side1}
.sidebar-2{grid-area:side2}

/* ---------- Large post cards (home / archives) ---------- */
.post-list{display:grid;gap:34px}
.post-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.post-card__thumb{display:block;aspect-ratio:16/9;background:#dfe7e4;overflow:hidden}
.post-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.post-card:hover .post-card__thumb img{transform:scale(1.025)}
.post-card__body{padding:26px 32px 32px}
.post-card__title{font-size:clamp(1.6rem,2.7vw,2.2rem);line-height:1.5;margin:10px 0 10px;font-weight:800}
.post-card__title a{color:var(--text)}
.post-card__title a:hover{color:var(--accent);text-decoration:none}
.post-card__excerpt{font-size:1.06rem;color:#2f3b37;margin-block:14px 22px}
.post-card__excerpt p{margin:0}
.btn-more{display:inline-block;background:var(--accent);color:#fff;padding:9px 22px;border-radius:8px;font-weight:700;font-size:.95rem}
.btn-more:hover{background:var(--accent-dark);color:#fff;text-decoration:none}

.badge{display:inline-block;background:var(--accent-soft);color:var(--accent-dark);padding:1px 12px;border-radius:999px;font-size:.82rem;font-weight:700;line-height:1.9}
.badge:hover{text-decoration:none;background:#cde9e4}
.meta{display:flex;flex-wrap:wrap;gap:4px 18px;color:var(--muted);font-size:.88rem;line-height:1.8}
.meta a{color:var(--muted)}

.archive-header{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 28px;margin-bottom:28px}
.archive-title{margin:0;font-size:1.7rem;font-weight:800}
.archive-desc{color:var(--muted);margin-top:6px}

/* ---------- Single / page ---------- */
.entry{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px}
.entry-title{font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.5;margin:10px 0 12px;font-weight:800}
.entry-thumb{margin:24px 0;border-radius:var(--radius);overflow:hidden}
.entry-thumb img{width:100%}
.entry-content{font-size:1.08rem;line-height:2.05}
.entry-content h2{font-size:1.6rem;margin:2em 0 .6em}
.entry-content h3{font-size:1.3rem;margin:1.8em 0 .5em}
.entry-content p{margin:0 0 1.3em}
.entry-content a{text-decoration:underline}
.entry-content img,.entry-content iframe,.entry-content video{max-width:100%}
.entry-content figure{max-width:100%;margin-inline:0}
.entry-content .wp-caption{max-width:100%!important;height:auto}
.entry-content ul,.entry-content ol{padding-inline-start:1.5em;margin:0 0 1.3em}
.entry-content blockquote{margin:1.6em 0;padding:.4em 1.4em;border-inline-start:4px solid var(--accent);background:var(--accent-soft);border-start-end-radius:8px;border-end-end-radius:8px}
.entry-content table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}
.entry-content th,.entry-content td{border:1px solid var(--border);padding:8px 12px}
.entry-content pre{background:#13201d;color:#e6f1ee;padding:16px;border-radius:8px;overflow-x:auto;direction:ltr;text-align:left;font-size:.92rem}
.entry-content code{direction:ltr;unicode-bidi:embed}
.entry-footer{margin-top:28px;padding-top:18px;border-top:1px solid var(--border)}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.tag-list a{display:block;background:#eef2f0;color:var(--text);padding:2px 12px;border-radius:999px;font-size:.85rem}
.tag-list a:hover{background:var(--accent-soft);text-decoration:none}

.breadcrumbs{margin-bottom:14px;font-size:.86rem;color:var(--muted)}
.breadcrumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:2px 8px}
.breadcrumbs li+li::before{content:"›";margin-inline-end:8px;color:#a3b0ab}
html[dir="rtl"] .breadcrumbs li+li::before{content:"‹"}
.breadcrumbs a{color:var(--muted)}

.author-box{display:flex;gap:18px;align-items:flex-start;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-top:24px}
.author-box img{border-radius:50%}
.author-box__name{margin:0 0 4px;font-weight:800}
.author-box__bio{margin:0;color:var(--muted);font-size:.95rem;line-height:1.8}

.post-navigation .nav-links{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.post-navigation a{display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;color:var(--text);font-weight:700;font-size:.95rem}
.post-navigation a:hover{border-color:var(--accent);text-decoration:none}
.post-navigation .nav-subtitle{display:block;color:var(--muted);font-weight:400;font-size:.8rem}
.post-navigation .nav-next{text-align:end}

.related{margin-top:32px}
.related__title{font-size:1.3rem;margin:0 0 14px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.related-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.related-item__thumb{aspect-ratio:16/10;background:#dfe7e4;display:block}
.related-item__thumb img{width:100%;height:100%;object-fit:cover}
.related-item__title{font-size:1rem;margin:0;padding:12px 14px;line-height:1.7}
.related-item__title a{color:var(--text)}

/* ---------- Pagination ---------- */
.pagination{margin-top:34px}
.pagination .nav-links{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.pagination .page-numbers{min-width:42px;text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:5px 14px;color:var(--text);font-weight:600}
.pagination a.page-numbers:hover{border-color:var(--accent);text-decoration:none}
.pagination .current{background:var(--accent);border-color:var(--accent);color:#fff}

/* ---------- Sidebars ---------- */
.widget{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:20px;font-size:.95rem;line-height:1.8}
.widget-title{font-size:1.05rem;font-weight:800;margin:0 0 12px;padding-bottom:10px;border-bottom:2px solid var(--accent-soft)}
.widget ul{list-style:none;margin:0;padding:0}
.widget li{padding:6px 0;border-bottom:1px dashed var(--border)}
.widget li:last-child{border-bottom:0}
.widget{overflow-wrap:anywhere}
.widget img,.widget select,.widget iframe,.widget input,.widget textarea{max-width:100%}
.widget table{width:100%}
.widget a{color:var(--text)}
.widget a:hover{color:var(--accent)}
.search-form{display:flex;gap:6px}
.search-form label{flex:1;min-width:0}
.search-field{width:100%;border:1px solid var(--border);border-radius:8px;padding:8px 12px;font:inherit;background:#fafcfb}
.search-submit{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:8px 14px;font:inherit;cursor:pointer}
.tagcloud{display:flex;flex-wrap:wrap;gap:6px 10px}

/* ---------- Comments ---------- */
.comments-area{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-top:24px}
.comments-title,.comment-reply-title{font-size:1.25rem;margin:0 0 18px}
.comment-list,.comment-list ol{list-style:none;padding:0;margin:0}
.comment-list .children{padding-inline-start:28px}
.comment-body{padding:16px 0;border-bottom:1px solid var(--border)}
.comment-author img{float:inline-start;margin-inline-end:12px;border-radius:50%}
.comment-metadata{font-size:.8rem;color:var(--muted)}
.comment-form label{display:block;font-weight:600;font-size:.92rem}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;border:1px solid var(--border);border-radius:8px;padding:9px 12px;font:inherit;background:#fafcfb}
.comment-form .submit{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 24px;font:inherit;font-weight:700;cursor:pointer}

/* ---------- Footer ---------- */
.site-footer{background:#12201d;color:#c8d6d2;margin-top:20px;padding:28px 0;font-size:.92rem}
.site-footer a{color:#e8f2ef}
.footer-inner{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;align-items:center}
.footer-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 20px}
.copyright{margin:0}

/* ---------- WordPress core ---------- */
.alignleft{float:left;margin:.4em 1.5em 1em 0}
.alignright{float:right;margin:.4em 0 1em 1.5em}
.aligncenter{display:block;margin-inline:auto}
.wp-caption,.wp-block-image figcaption,.gallery-caption{font-size:.85rem;color:var(--muted);text-align:center}
.wp-caption{max-width:100%}
.sticky .post-card__title::before{content:"📌 "}
.bypostauthor>.comment-body{background:var(--accent-soft);padding-inline:12px}

/* ---------- Responsive ---------- */
/* Laptops: slimmer sidebars so the main column keeps a readable width */
@media (max-width:1280px){
  :root{--side:230px;--gap:22px}
}

/* Tablet landscape: one sidebar column beside the content.
   "auto 1fr" rows keep the 2nd sidebar right under the 1st
   (otherwise the spare height of a tall main column is split between the rows). */
@media (max-width:1100px){
  :root{--side:250px}
  .layout{grid-template-columns:minmax(0,1fr) var(--side);grid-template-rows:auto 1fr;grid-template-areas:"main side1" "main side2"}
  .header-search__field{width:180px}
}

/* Mobile / tablet header: collapsible menu + search panels */
@media (max-width:900px){
  .header-inner{min-height:68px}
  .header-actions{display:flex}
  .primary-nav,.header-search{display:none;position:absolute;inset-inline:0;top:100%;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:0 12px 20px rgba(0,0,0,.07)}
  .primary-nav{padding:10px 20px 16px;max-height:calc(100vh - 80px);max-height:calc(100dvh - 80px);overflow-y:auto;overscroll-behavior:contain}
  .primary-nav.is-open{display:block}
  .primary-nav ul{flex-direction:column}
  .primary-nav a{padding:11px 14px}
  .primary-nav .sub-menu,.primary-nav .children{display:flex;position:static;border:0;box-shadow:none;padding:0 14px}
  .header-search{padding:12px 20px 14px}
  .header-search.is-open{display:block}
  .header-search__field{width:100%;height:46px;font-size:16px}
  .header-search__submit{width:38px;height:38px}
}

/* Tablet portrait: content on top, the two sidebars side by side below */
@media (max-width:860px){
  .layout{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:auto;grid-template-areas:"main main" "side1 side2"}
}

/* Phones */
@media (max-width:640px){
  body{font-size:16px}
  .container{padding-inline:16px}
  .site-title{font-size:1.25rem}
  .site-description{display:none}
  .site-branding .custom-logo{max-height:40px}
  .header-search,.primary-nav{padding-inline:16px}
  .layout{grid-template-columns:minmax(0,1fr);grid-template-areas:"main" "side1" "side2";padding-block:20px;gap:20px}
  .post-list{gap:22px}
  .post-card__body{padding:18px 18px 22px}
  .post-card__excerpt{font-size:1rem}
  .archive-header{padding:16px 18px}
  .archive-title{font-size:1.4rem}
  .entry{padding:18px}
  .entry-content{font-size:1.02rem;line-height:1.95}
  .entry-content h2{font-size:1.35rem}
  .entry-content h3{font-size:1.15rem}
  .entry-content blockquote{margin-inline:0;padding-inline:1em}
  .alignleft,.alignright{float:none;display:block;margin:1em auto}
  .related-grid{grid-template-columns:1fr}
  .post-navigation .nav-links{grid-template-columns:1fr}
  .author-box{flex-direction:column;align-items:center;text-align:center}
  .comments-area{padding:18px}
  .comment-list .children{padding-inline-start:14px}
  .pagination .page-numbers{min-width:40px;padding:4px 10px}
  .footer-inner{flex-direction:column;align-items:flex-start}
}

/* In-between: related posts in 2 columns on tablets */
@media (min-width:641px) and (max-width:1100px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ---------- Post notice box ---------- */
.post-notice{--n-c:#1d6fb8;--n-bg:#e8f2fc;display:flex;align-items:flex-start;gap:12px;margin:0 0 24px;padding:14px 18px;background:var(--n-bg);border:1px solid var(--n-c);border-inline-start-width:5px;border-radius:var(--radius);color:var(--text);line-height:1.8}
.post-notice--success{--n-c:#15803d;--n-bg:#e7f6ec}
.post-notice--warning{--n-c:#b45309;--n-bg:#fef3c7}
.post-notice--danger{--n-c:#b91c1c;--n-bg:#fde8e8}
.post-notice__icon{flex:0 0 auto;width:26px;height:26px;margin-top:2px;border-radius:50%;background:var(--n-c) center/16px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 7v6M12 17h.01'/%3E%3C/svg%3E")}
.post-notice__text{min-width:0;font-weight:600}
.post-notice__text a{color:var(--n-c);text-decoration:underline}
.post-notice-badge{--n-c:#1d6fb8;--n-bg:#e8f2fc;display:inline-block;margin:6px 0 0;padding:1px 12px;background:var(--n-bg);color:var(--n-c);border:1px solid var(--n-c);border-radius:999px;font-size:.84rem;font-weight:700;line-height:1.9}
.post-notice-badge.post-notice--success{--n-c:#15803d;--n-bg:#e7f6ec}
.post-notice-badge.post-notice--warning{--n-c:#b45309;--n-bg:#fef3c7}
.post-notice-badge.post-notice--danger{--n-c:#b91c1c;--n-bg:#fde8e8}