/* ==========================================================================
   نوشته تکی — Novinex
   هیروی بنفش گرادیانی + کاور شناور + خواندنی دوستانه. کلاس‌های gap- حفظ شده‌اند
   چون single.php و اسکریپت‌های TOC/امتیاز به آن‌ها وابسته‌اند.
   ========================================================================== */

.single-post .site-main.gap-blog-single-page { width: 100% !important; max-width: none !important; margin: 0 !important }
.gap-blog-single-page {
    --gb-purple: #2B5CE6;
    --gb-deep: #21113e;
    --gb-blue: #7fb5ff;
    --gb-ink: #14101f;
    --gb-muted: #6f6893;
    --gb-line: #e3ddf5;
    --gb-soft: #f7f3fe;
    --gb-shadow-sm: 0 8px 22px rgba(76, 42, 165, .08);
    --gb-shadow-md: 0 16px 40px rgba(76, 42, 165, .12);
    --gb-transition: 280ms cubic-bezier(.2, .8, .2, 1);
    width: 100%; color: var(--gb-ink);
}

/* ---------- هیرو ---------- */
.gap-single-hero {
    position: relative; overflow: hidden;
    padding: 70px 20px 110px;
    background: linear-gradient(125deg, #21113e 0%, #4f20ae 57%, #6e5fe7 100%);
    color: #fff;
}
.gap-single-hero:after {
    content: ""; position: absolute; left: -110px; bottom: -150px;
    width: 380px; height: 380px; border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, .18);
    box-shadow: 0 0 0 36px rgba(255, 255, 255, .04), 0 0 0 72px rgba(255, 255, 255, .025);
    pointer-events: none;
}
.gap-single-hero__inner { position: relative; z-index: 1; width: min(900px, 100%); margin: auto }
.gap-single-back { display: inline-flex; align-items: center; margin-bottom: 30px; color: #cdb6ff; font-size: 12.5px; font-weight: 700; text-decoration: none; transition: color var(--gb-transition) }

/* دسته‌بندی‌های مقاله — چیپ‌های نرم و خوانا */
.gap-single-hero__cats { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 30px }
.gap-single-hero__cats-label { color: rgba(255,255,255,.72); font-size: 12.5px; font-weight: 800 }
.gap-single-hero__cats .gap-single-back {
    margin-bottom: 0;
    padding: 6px 14px;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 999px;
    background: rgba(255,255,255,.09);
    color: #fff;
    font-size: 12px;
    backdrop-filter: blur(6px);
}
.gap-single-hero__cats .gap-single-back:hover { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.4); transform: translateY(-1px) }
.gap-single-back + .gap-single-back { margin-bottom: 0 }
.gap-single-back:hover { color: #fff }
.gap-single-category {
    display: inline-flex; padding: 7px 14px;
    border: 1px solid rgba(255, 255, 255, .4); border-radius: 999px;
    background: rgba(255, 255, 255, .08); color: #b9dcff;
    font-size: 11px; font-weight: 900; text-decoration: none;
}
.gap-single-hero h1 { max-width: 850px; margin: 16px 0 15px; font-size: clamp(31px, 4.8vw, 56px); line-height: 1.45; letter-spacing: -1px }
.gap-single-hero p { max-width: 720px; margin: 0; color: #f1ecff; font-size: 16px; line-height: 2 }
.gap-single-hero__meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 24px; color: #d9cdf4; font-size: 12.5px }
.gap-single-hero__meta .is-chip {
    display: inline-flex; align-items: center; padding: 6px 14px; border-radius: 999px;
    background: rgba(255, 255, 255, .13); border: 1px solid rgba(255, 255, 255, .18);
    color: #f1ecff; font-size: 11.5px; font-weight: 700; text-decoration: none; line-height: 1;
    transition: background var(--gb-transition, .2s), transform var(--gb-transition, .2s);
}
.gap-single-hero__meta .is-chip:hover { background: rgba(255, 255, 255, .24); transform: translateY(-1px); color: #fff }
.gap-single-hero__meta .is-chip.is-soft { background: rgba(255, 255, 255, .07); border-color: rgba(255, 255, 255, .1) }

/* ---------- کاور شناور ---------- */
.gap-single-cover {
    width: min(1050px, calc(100% - 40px)); height: clamp(250px, 42vw, 520px);
    margin: -60px auto 0; overflow: hidden; position: relative; z-index: 2;
    border: 8px solid #fff; border-radius: 30px; background: #f3effb;
    box-shadow: 0 24px 55px rgba(76, 42, 165, .16);
}
.gap-single-cover img { display: block; width: 100%; height: 100%; object-fit: cover }

/* ---------- چیدمان محتوا ---------- */
.gap-single-layout {
    display: grid; grid-template-columns: 265px minmax(0, 760px);
    direction: ltr; gap: 40px; align-items: start;
    width: min(1050px, calc(100% - 40px)); margin: 22px auto 0px;
}
.gap-single-content { direction: rtl; min-width: 0 }

/* ---------- سایدبار (مقالات مرتبط) ---------- */
.gap-single-aside {
    position: sticky; top: 120px; direction: rtl;
    margin-bottom: 35px; padding: 24px; border: 1px solid var(--gb-line); border-radius: 20px; background: var(--gb-soft);
}
.gap-single-aside span { display: block; color: var(--gb-purple); font-size: 12px; font-weight: 900 }
.gap-single-aside strong { display: block; margin: 9px 0 6px; font-size: 18px; line-height: 1.6; font-weight: 600 }
.gap-single-aside p { margin: 0; color: var(--gb-muted); font-size: 12.5px; line-height: 2 }
.gap-single-aside__list { display: grid; gap: 12px; margin: 0 0 6px; padding: 0; list-style: none }
.gap-single-aside__list li {
    border: 1px solid var(--gb-line); border-radius: 13px; background: #fff;
    transition: border-color var(--gb-transition), transform var(--gb-transition), box-shadow var(--gb-transition);
}
.gap-single-aside__list li:hover { border-color: #c9b7f0; transform: translateY(-2px); box-shadow: var(--gb-shadow-md) }
/* کل باکس لینک است: هم عنوان و هم زمان مطالعه داخل anchor */
.gap-single-aside__list a {
    display: block; padding: 12px 14px; border-radius: 13px;
    color: var(--gb-ink); font-size: 13px; font-weight: 700; line-height: 1.8; text-decoration: none;
}
.gap-single-aside__list a:hover { color: var(--gb-purple) }
.gap-single-aside__list small { display: block; margin-top: 4px; color: #988eae; font-size: 11px; font-weight: 500 }
.gap-single-aside > a {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    margin-top: 18px; padding: 12px 18px;
    border-radius: 999px; background: linear-gradient(135deg, #2B5CE6 0%, #7fb5ff 100%);
    color: #fff !important; font-size: 12.5px; font-weight: 800; text-decoration: none;
    box-shadow: var(--gb-shadow-sm);
    transition: transform var(--gb-transition), box-shadow var(--gb-transition);
}
.gap-single-aside > a:hover { transform: translateY(-2px); box-shadow: var(--gb-shadow-md) }

@media (max-width: 768px) {.gap-single-aside {display: none;}}

/* ---------- بدنه‌ی خواندنی ---------- */
.single-article__content { color: #413a51; font-size: 16px; line-height: 2.25 }
.single-article__content > p:first-child { margin-top: 0 }
.single-article__content h2, .single-article__content h3, .single-article__content h4 { color: var(--gb-ink); line-height: 1.65 }
.single-article__content h2 { margin: 44px 0 14px; font-size: 30px }
.single-article__content h3 { margin: 32px 0 11px; font-size: 23px }
.single-article__content h4 { margin: 25px 0 9px; font-size: 19px }
.single-article__content a { color: var(--gb-purple) }
.single-article__content img { max-width: 100%; height: auto; border-radius: 18px }
.single-article__content blockquote {
    margin: 28px 0; padding: 18px 22px;
    border-right: 4px solid var(--gb-purple); border-radius: 12px;
    background: var(--gb-soft); color: var(--gb-muted);
}
.gap-single-content .gap-modern-meta-wrap { margin: 0 0 25px }
.gap-single-content .gap-modern-meta-box { justify-content: flex-start; gap: 8px }
.gap-single-content .gap-modern-meta-box .g-meta { border-color: var(--gb-line); background: var(--gb-soft); color: var(--gb-muted); box-shadow: none }
.gap-single-content .custom-toc-box { margin: 0 0 30px; padding: 18px; border: 1px solid var(--gb-line); border-radius: 18px; background: var(--gb-soft); box-shadow: none }
.gap-single-content .custom-toc-toggle { color: var(--gb-ink) !important }
.gap-single-content .custom-toc-list li a { border-color: var(--gb-line); background: #fff; color: var(--gb-muted) !important }
.gap-single-content .toc-number { background: #F3F6FD; color: var(--gb-purple) }

/* ---------- مقاله‌های مرتبط ---------- */
.gap-single-related { width: min(1050px, calc(100% - 40px)); margin: 0px auto 50px; padding-top: 20px; border-top: 1px solid var(--gb-line) }
.gap-single-related__heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 16px }
.gap-single-related__heading h2 { margin: 8px 0 0; font-size: 17px !important }
.gap-single-related__heading > a { color: var(--gb-purple); font-size: 13.5px; font-weight: 900; text-decoration: none }
.gap-single-related__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px }
/* کارت‌ها از استایل آرشیو مقالات (gap-blog-card) استفاده می‌کنند؛
   فقط برای اطمینان از یکسان بودن عرض ستون‌ها. */
.gap-single-related__grid .gap-blog-card { height: 100% }
.gap-single-related__grid .gap-blog-card__body h2 { font-size: 16.5px }

@media (max-width: 768px) {.gap-single-related {margin-top: 0 !important;}}

/* ---------- نوار پیشرفت مطالعه (ثابت بالای صفحه — نه زیر فوتر) ---------- */
.gap-reading-progress-bar {
    position: fixed; top: 0; right: 0; left: 0; z-index: 99999;
    height: 4px; margin: 0; border-radius: 0; pointer-events: none;
    background: rgba(108, 43, 217, .12);
}
.gap-reading-progress-fill {
    display: block; height: 100%; width: 0;
    background: linear-gradient(90deg, var(--gb-purple), var(--gb-blue));
    box-shadow: 0 0 10px rgba(108, 43, 217, .35);
}

/* ---------- واکنش‌گرایی ---------- */
@media (max-width: 800px) {
    .gap-single-layout { grid-template-columns: 1fr; gap: 25px }
    .gap-single-aside { position: static; order: 2 }
    .gap-single-content { order: 1 }
    .gap-single-related__grid { grid-template-columns: repeat(2, minmax(0, 1fr)) }
}
@media (max-width: 540px) {
    .gap-single-hero { padding: 48px 20px 90px }
    .gap-single-hero h1 { font-size: 33px }
    .gap-single-cover { width: calc(100% - 28px); height: 250px; margin-top: -46px; border-width: 5px; border-radius: 22px }
    .gap-single-layout, .gap-single-related { width: calc(100% - 28px); margin-top: 42px }
    .gap-single-related__heading { align-items: flex-start; flex-direction: column }
    .gap-single-related__grid { grid-template-columns: minmax(0, 1fr) }
    .single-article__content { font-size: 15px }
    .single-article__content h2 { font-size: 26px }
}