/* قالب پرمیوم VST — کانسپت ۳ | نسخه 1.3.0 */
body.vst-premium-on{background:#faf7ef}
.vst-p{--deep:#0a3d31;--deeper:#072a22;--green:#14503e;--gold:#c08a3e;--gold-l:#ddc292;--cream:#faf7ef;--box:#f6f0df;--card:#fffdf7;--ink:#26322d;--muted:#6f8178;--line:rgba(192,138,62,.28);font-family:"IRANSansX","Vazirmatn",Tahoma,Arial,sans-serif;color:var(--ink);line-height:2.1;font-size:15.5px;overflow-x:clip;-webkit-text-size-adjust:100%;text-size-adjust:100%}
.vst-p *{box-sizing:border-box}
.vst-progress{position:fixed;top:0;right:0;left:0;height:4px;z-index:9999;background:rgba(192,138,62,.15)}
.vst-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold-l),var(--gold))}
/* نوار پیشرفت بالای صفحه حتی بدون JS (مرورگرهای جدید، CSS خالص) */
@supports (animation-timeline: scroll()) {
.vst-progress i{width:100%!important;transform:scaleX(0);transform-origin:right;animation:vst-scrollfill linear both;animation-timeline:scroll()}
@keyframes vst-scrollfill{to{transform:scaleX(1)}}
}
/* هیرو */
.vst-hero{background:linear-gradient(270deg,#f3ecdb 30%,#faf7ef);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.vst-bgpat{position:absolute;left:0;top:0;height:100%;width:44%;opacity:.8}
.vst-heroin{max-width:1180px;margin:0 auto;padding:34px 26px 24px;position:relative}
.vst-crumbs{font-size:12.5px;color:var(--muted);margin-bottom:12px}
.vst-crumbs a{color:var(--green);text-decoration:none;font-weight:600}
.vst-badge{display:inline-block;font-size:12px;font-weight:800;background:var(--deep);color:#ffe9bd;padding:6px 20px;border-radius:14px;margin-bottom:12px}
.vst-heroin h1{font-size:clamp(20px,3.2vw,32px);color:var(--deep);line-height:1.9;max-width:780px;margin:0;overflow-wrap:anywhere}
.vst-sub{font-size:14px;color:var(--muted);margin:8px 0 0;max-width:760px;overflow-wrap:anywhere}
.vst-jou{font-size:13px;color:#8a6420;background:rgba(192,138,62,.12);border:1px dashed var(--gold);display:inline-block;padding:5px 16px;border-radius:10px;margin:10px 0 0;max-width:100%}
.vst-hmeta{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.vst-hmeta .m{display:flex;align-items:center;gap:8px;font-size:13px;background:#fff;border:1px solid #e7ddc6;border-radius:12px;padding:8px 14px;color:#43544c;max-width:100%;overflow-wrap:anywhere}
.vst-hmeta .m b{color:var(--deep)}
.vst-hmeta .av{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--gold));color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;flex-shrink:0}
.vst-tagbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:14px}
.vst-tagbar a{font-size:12.5px;color:var(--green);background:#fff;border:1px solid rgba(20,80,62,.25);padding:6px 16px;border-radius:16px;text-decoration:none;font-weight:700;max-width:100%;overflow-wrap:anywhere}
.vst-tagbar a:hover{background:var(--green);color:#fff}
.vst-bm{margin-right:auto;width:42px;height:42px;border-radius:50%;background:#fff;border:1.5px solid var(--gold);color:var(--gold);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.vst-bm svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round}
.vst-bm.saved{background:var(--gold);color:#fff}
.vst-bm.saved svg{fill:#fff}
/* چیدمان */
.vst-layout{max-width:1180px;margin:20px auto 0;padding:0 26px;display:grid;grid-template-columns:280px minmax(0,1fr);gap:20px;overflow:visible}
.vst-side{display:block;min-width:0;overflow:visible}
.vst-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:0 0 16px;max-width:100%}
.vst-card h3{font-size:14px;color:var(--deep);margin:0 0 12px;display:flex;align-items:center;gap:8px}
.vst-card h3::before{content:"";width:4px;height:18px;border-radius:4px;background:var(--gold);flex-shrink:0}
/* کارت اطلاعات چسبان (CSS + جاوااسکریپت، لایه دوگانه) */
.vst-info-card{position:-webkit-sticky;position:sticky;top:16px;z-index:5;transition:box-shadow .3s ease,border-color .3s ease}
.vst-info-card.stuck{box-shadow:0 18px 40px -14px rgba(10,61,49,.4);border-color:var(--gold)}
.vst-toc{list-style:none;margin:0;padding:0;font-size:13.5px;max-height:380px;overflow:auto}
.vst-toc li a{display:block;padding:8px 12px;border-radius:9px;color:#3c4a44;text-decoration:none;border-right:3px solid transparent;line-height:1.9;overflow-wrap:anywhere}
.vst-toc li.sub a{padding-right:24px;font-size:12.5px;color:var(--muted)}
.vst-toc a.on{background:linear-gradient(90deg,rgba(192,138,62,.18),transparent);border-right-color:var(--gold);color:var(--deep);font-weight:800}
.vst-info-row{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);padding:8px 0;border-bottom:1px dashed #e7ddc6}
.vst-info-row b{color:var(--deep);font-size:13px;text-align:left;overflow-wrap:anywhere}
.vst-readbar{margin-top:10px}
.vst-readbar .t{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:6px}
.vst-readbar .t b{color:var(--green)}
.vst-readbar .bar{height:8px;border-radius:6px;background:#eee7d3;overflow:hidden}
.vst-readbar .bar i{display:block;height:100%;width:0;border-radius:6px;background:linear-gradient(90deg,var(--green),var(--gold))}
.vst-rel-item{display:flex;gap:10px;align-items:center;margin:10px 0;text-decoration:none;min-width:0}
.vst-rel-item>span:last-child{min-width:0}
.vst-th{width:62px;height:58px;border-radius:10px;flex-shrink:0;overflow:hidden;background:linear-gradient(135deg,#0a3d31,#c08a3e);border:1px solid var(--line)}
.vst-th img{width:100%;height:100%;object-fit:cover;display:block}
.vst-rel-item b{font-size:12.5px;color:var(--deep);line-height:1.9;overflow-wrap:anywhere}
.vst-rel-item small{font-size:11px;color:var(--muted)}
/* محتوا */
.vst-content{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:32px 36px;min-width:0;max-width:100%;overflow-x:clip}
.vst-abstract{background:var(--box);border:1px solid var(--gold-l);border-radius:12px;padding:22px 24px;margin-bottom:10px}
.vst-abstract h4{color:var(--deep);font-size:15px;margin:0 0 8px}
.vst-abstract h4 .star{color:var(--gold)}
.vst-abstract p{font-size:14px;color:#4a4436;text-align:justify;margin:0;overflow-wrap:anywhere}
.vst-kwline{margin-top:12px;font-size:12.5px;color:var(--muted)}
.vst-kwline b{color:var(--green)}
.vst-entry{font-size:15.5px;overflow-wrap:anywhere;min-width:0;overflow-x:clip}
.vst-entry h2{font-size:19px;color:var(--deep);margin:30px 0 10px;padding-bottom:8px;border-bottom:1px solid var(--line);scroll-margin-top:20px}
.vst-entry h3{font-size:16.5px;color:var(--green);margin:22px 0 8px;scroll-margin-top:20px}
.vst-entry h4{font-size:15px;color:var(--deep);margin:18px 0 6px}
.vst-entry p{text-align:justify;margin:10px 0;color:#333d38}
.vst-entry a{color:var(--green)}
.vst-entry ul,.vst-entry ol{padding-right:22px;margin:10px 0}
.vst-entry li{margin:6px 0;text-align:justify}
.vst-entry blockquote{margin:22px 0;padding:14px 22px;border-right:3px solid var(--gold);background:linear-gradient(90deg,rgba(192,138,62,.1),transparent);color:var(--deep);font-weight:700;border-radius:8px}
.vst-entry img{max-width:100%;height:auto;border-radius:12px}
.vst-entry figure{margin:20px auto;text-align:center;max-width:100%}
.vst-entry figcaption{font-size:12.5px;color:var(--muted);margin-top:8px}
.vst-entry table{width:100%;border-collapse:collapse;font-size:13.5px;margin:16px 0}
.vst-entry th,.vst-entry td{border:1px solid #e7ddc6;padding:10px 12px;text-align:right}
.vst-entry th{background:var(--deep);color:#ffe9bd}
.vst-tscroll{overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch;margin:16px 0}
.vst-tscroll table{margin:0;min-width:520px}
.vst-entry pre{overflow-x:auto;max-width:100%;background:#0a3d31;color:#e9e0cb;padding:16px 18px;border-radius:12px;font-size:13px;direction:ltr;text-align:left;-webkit-overflow-scrolling:touch}
.vst-entry .alignwide,.vst-entry .alignfull{max-width:100%!important;margin-right:0!important;margin-left:0!important;width:auto!important}
.vst-entry iframe,.vst-entry embed,.vst-entry object,.vst-entry video{max-width:100%}
.vst-entry hr{border:none;border-top:1px dashed var(--line);margin:26px 0}
/* اشتراک و نویسنده */
.vst-share{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:24px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.vst-sh{font-family:inherit;font-size:12.5px;font-weight:700;color:var(--green);background:#eef4f1;border:1px solid rgba(20,80,62,.2);padding:8px 16px;border-radius:12px;text-decoration:none;cursor:pointer}
.vst-sh:hover{background:var(--green);color:#fff}
.vst-sh.done{background:var(--green);color:#fff}
.vst-backlink{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--green);font-weight:800;font-size:14px;text-decoration:none;border:1px solid rgba(20,80,62,.3);padding:10px 24px;border-radius:12px}
.vst-backlink:hover{background:var(--green);color:#fff}
.vst-authorline{display:flex;gap:12px;align-items:center;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.vst-authorline .av{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--gold));color:#fff;font-size:22px;font-weight:900;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.vst-authorline b{color:var(--deep);font-size:14px}
.vst-authorline small{color:var(--muted);font-size:12px;display:block}
/* دیدگاه‌ها */
.vst-comments{margin-top:22px;padding-top:8px;border-top:2px solid var(--gold-l)}
.vst-comments .comment-list{list-style:none;padding:0}
.vst-comments .comment-body{background:#faf8f2;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:10px 0;font-size:14px;overflow-wrap:anywhere}
.vst-comments .comment-meta{font-size:12px;color:var(--muted)}
.vst-comments textarea,.vst-comments input[type=text],.vst-comments input[type=email],.vst-comments input[type=url]{width:100%;max-width:100%;border:1px solid #ddd3bc;border-radius:10px;padding:11px;font-family:inherit;font-size:14px;margin:5px 0;background:#fff}
.vst-comments input[type=submit]{background:var(--gold);color:#fff;border:none;border-radius:10px;padding:12px 34px;font-family:inherit;font-weight:800;cursor:pointer;font-size:14px}
/* دکمه بازگشت جایگزین (فقط اگر دکمه خود قالب خراب بود، با JS ساخته می‌شود) */
.vst-totop-fallback{position:fixed;bottom:20px;left:16px;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#c08a3e,#8a6420);color:#fff;border:none;cursor:pointer;font-size:19px;box-shadow:0 10px 26px rgba(192,138,62,.45);z-index:9989;opacity:0;visibility:hidden;transform:translateY(14px);transition:.3s}
.vst-totop-fallback.show{opacity:1;visibility:visible;transform:none}
/* موبایل */
@media(max-width:920px){
.vst-heroin{padding:24px 16px 18px}
.vst-hmeta{gap:7px}
.vst-hmeta .m{font-size:12px;padding:7px 11px}
.vst-layout{display:flex;flex-direction:column;padding:0 14px;gap:16px;margin-top:14px}
.vst-content{order:1;padding:20px 15px;min-width:0}
.vst-side{order:2;min-width:0}
.vst-info-card{position:static}
.vst-backlink{display:flex;justify-content:center;width:100%}
.vst-entry{font-size:15px}
.vst-share .vst-sh{flex:1;text-align:center}
.vst-bgpat{width:100%;opacity:.3}
}
@media(max-width:420px){
.vst-tagbar a{font-size:12px;padding:5px 12px}
.vst-abstract{padding:18px 16px}
}
@media print{.vst-side,.vst-share,.vst-progress,.vst-totop-fallback,.vst-tagbar .vst-bm{display:none!important}.vst-layout{display:block}body{background:#fff}}