/* ==========================================================================
   THEME PRO — طبقة التصميم الاحترافي (تُحمَّل بعد site.css وتتغلب عليه)
   لإرجاع التصميم القديم: احذف وسم <link> الخاص بهذا الملف من templates/header.php
   ========================================================================== */

/* ---------- 1) المتغيرات ---------- */
:root {
  --brand: #3358e6;
  --brand-btn: #3358e6;
  --brand-2: #2744c0;
  --brand-soft: rgba(51, 88, 230, .09);
  --brand-ring: rgba(51, 88, 230, .24);
  --accent: #7c5cff;
  --radius: 14px;
  --radius-sm: 10px;
  --header-h: 68px;
  --grid: rgba(15, 23, 42, .045);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px -8px rgba(15, 23, 42, .10);
  --shadow-lg: 0 18px 44px -14px rgba(15, 23, 42, .26);

  --bs-primary: #3358e6;
  --bs-primary-rgb: 51, 88, 230;
  --bs-link-color: #3358e6;
  --bs-link-color-rgb: 51, 88, 230;
  --bs-link-hover-color: #2744c0;
  --bs-link-hover-color-rgb: 39, 68, 192;
  --bs-primary-bg-subtle: #e6ebfc;
  --bs-primary-text-emphasis: #1f3597;
  --bs-border-radius: .6rem;
  --bs-border-radius-lg: .9rem;
}

[data-bs-theme="light"] {
  --bs-body-color: #1e293b;
  --bs-secondary-color: #5b6b82;
  --bs-tertiary-bg: #f1f4f9;
  --bs-border-color: #e3e8f0;
  --card-bg: #ffffff;
  --soft: #f1f4f9;
  --line: #e3e8f0;
}
[data-bs-theme="light"] body { background: #f6f8fc; }

[data-bs-theme="dark"] {
  --brand: #8aa4ff;
  --brand-btn: #3d63f0;
  --brand-2: #5577f0;
  --brand-soft: rgba(138, 164, 255, .12);
  --brand-ring: rgba(138, 164, 255, .30);
  --grid: rgba(255, 255, 255, .04);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 8px 24px -8px rgba(0, 0, 0, .5);
  --shadow-lg: 0 18px 44px -14px rgba(0, 0, 0, .7);
  --bs-body-bg: #0b1120;
  --bs-body-color: #e2e8f4;
  --bs-secondary-color: #98a5bd;
  --bs-tertiary-bg: #141d33;
  --bs-border-color: #232f48;
  --bs-link-color: #8aa4ff;
  --bs-link-color-rgb: 138, 164, 255;
  --bs-link-hover-color: #b3c4ff;
  --bs-link-hover-color-rgb: 179, 196, 255;
  --card-bg: #101829;
  --soft: #141d33;
  --line: #232f48;
}

/* ---------- 2) الخطوط والأساس ---------- */
body {
  font-family: "Inter", "IBM Plex Sans Arabic", system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Tahoma, Arial, sans-serif;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}
html[lang="ar"] body {
  font-family: "IBM Plex Sans Arabic", "Inter", system-ui, -apple-system, "Segoe UI", Tahoma, Arial, sans-serif;
}
h1, h2, h3, h4, h5, h6 { letter-spacing: -.015em; line-height: 1.3; }
html[dir="rtl"] h1, html[dir="rtl"] h2, html[dir="rtl"] h3, html[dir="rtl"] h4,
html[dir="rtl"] .brand, html[dir="rtl"] .footer-h { letter-spacing: 0; }
::selection { background: var(--brand-ring); }
:focus-visible { outline: 3px solid var(--brand-ring); outline-offset: 2px; }
/* شبكة أمان: لا تمرير أفقي للصفحة (clip لا يكسر position:sticky) */
html, body { max-width: 100%; }
body { overflow-x: clip; }
html { scrollbar-color: color-mix(in srgb, var(--bs-secondary-color) 45%, transparent) transparent; scrollbar-width: thin; }
a { transition: color .15s ease; }
.skip-link, .author-avatar.ph { background: var(--brand-btn); }

/* ---------- 3) الهيدر + اللوجو ---------- */
.site-header {
  background: color-mix(in srgb, var(--bs-body-bg) 80%, transparent);
  backdrop-filter: saturate(1.7) blur(16px);
  -webkit-backdrop-filter: saturate(1.7) blur(16px);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 85%, transparent);
}
.header-inner { height: var(--header-h); gap: 1.25rem; }
.brand { gap: .65rem; font-weight: 800; font-size: 1.15rem; color: var(--bs-body-color); min-width: 0; }
.brand:hover { color: var(--bs-body-color); }
.brand-logo { display: block; object-fit: contain; max-width: min(240px, 55vw); }
.brand-logo-dark { display: none; }
[data-bs-theme="dark"] .brand-logo-light { display: none; }
[data-bs-theme="dark"] .brand-logo-dark { display: block; }
.brand-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 11px; font-size: .95rem;
  background: linear-gradient(135deg, var(--brand-btn), var(--accent));
  box-shadow: 0 4px 12px -2px rgba(51, 88, 230, .45), inset 0 1px 0 rgba(255, 255, 255, .25);
}

.main-nav { margin-inline-start: 1rem; gap: .1rem; }
.nav-link-x { padding: .5rem .85rem; border-radius: 10px; font-size: .93rem; font-weight: 500; color: var(--bs-secondary-color); transition: background .15s, color .15s; }
.nav-link-x:hover { background: var(--soft); color: var(--bs-body-color); }
.nav-link-x.active { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.dropdown-panel { border-radius: 14px; padding: .5rem; box-shadow: var(--shadow-lg); margin-top: .35rem; }
.dropdown-panel a { border-radius: 9px; color: var(--bs-body-color); }
.dropdown-panel a:hover { background: var(--brand-soft); color: var(--brand); }
.icon-btn { border-radius: 10px; color: var(--bs-secondary-color); transition: background .15s, color .15s; }
.icon-btn:hover { background: var(--soft); color: var(--bs-body-color); }
.search-overlay { box-shadow: var(--shadow-lg); }
.search-form input { border-radius: 12px; }
.search-form input:focus { outline: 0; border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-ring); }
.mobile-menu a { border-color: var(--line); }

/* ---------- 4) الأزرار والنماذج ---------- */
.btn { font-weight: 600; border-radius: 10px; transition: background-color .15s, border-color .15s, box-shadow .15s, transform .1s; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  --bs-btn-bg: var(--brand-btn); --bs-btn-border-color: var(--brand-btn); --bs-btn-color: #fff;
  --bs-btn-hover-bg: #2a4bcf; --bs-btn-hover-border-color: #2a4bcf; --bs-btn-hover-color: #fff;
  --bs-btn-active-bg: #1f3aa8; --bs-btn-active-border-color: #1f3aa8;
  --bs-btn-disabled-bg: var(--brand-btn); --bs-btn-disabled-border-color: var(--brand-btn);
  --bs-btn-focus-shadow-rgb: 51, 88, 230;
  box-shadow: 0 1px 2px rgba(51, 88, 230, .35), inset 0 1px 0 rgba(255, 255, 255, .16);
}
.btn-primary:hover { box-shadow: 0 6px 16px -4px rgba(51, 88, 230, .5), inset 0 1px 0 rgba(255, 255, 255, .16); }
.btn-outline-primary {
  --bs-btn-color: var(--brand); --bs-btn-border-color: color-mix(in srgb, var(--brand) 55%, transparent);
  --bs-btn-hover-bg: var(--brand-btn); --bs-btn-hover-border-color: var(--brand-btn); --bs-btn-hover-color: #fff;
  --bs-btn-active-bg: var(--brand-2); --bs-btn-active-border-color: var(--brand-2);
}
.form-control, .form-select { border-radius: 10px; border-color: var(--line); background-color: var(--card-bg); }
.form-control:focus, .form-select:focus { border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-ring); background-color: var(--card-bg); }
.page-link { border-radius: 10px !important; margin-inline: .15rem; border-color: var(--line); color: var(--bs-body-color); background: var(--card-bg); }
.page-link:hover { background: var(--brand-soft); color: var(--brand); }
.page-item.active .page-link { background: var(--brand-btn); border-color: var(--brand-btn); color: #fff; }
.breadcrumb { --bs-breadcrumb-divider-color: var(--bs-secondary-color); }

/* ---------- 5) الهيرو والأقسام ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden; padding: 5.2rem 0 4.4rem;
  background:
    radial-gradient(760px 380px at 85% -15%, rgba(124, 92, 255, .16), transparent 62%),
    radial-gradient(760px 380px at 10% -10%, rgba(51, 88, 230, .17), transparent 62%),
    var(--bs-body-bg);
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 75% 85% at 50% 0%, #000 25%, transparent 75%);
  mask-image: radial-gradient(ellipse 75% 85% at 50% 0%, #000 25%, transparent 75%);
}
.hero-title { font-size: clamp(2rem, 5vw, 3.3rem); font-weight: 800; letter-spacing: -.025em; line-height: 1.18; max-width: 18ch; margin-inline: auto; margin-bottom: 1rem; }
html[dir="rtl"] .hero-title { letter-spacing: 0; line-height: 1.35; max-width: 20ch; }
.hero-desc { font-size: 1.12rem; line-height: 1.8; }
.hero-search {
  max-width: 740px; padding: .45rem; padding-inline-start: 1.1rem; border-radius: 18px;
  border: 1px solid var(--line); background: var(--card-bg); box-shadow: var(--shadow-lg);
  transition: border-color .2s, box-shadow .2s;
}
.hero-search:focus-within { border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-ring), var(--shadow-lg); }
.hero-search .btn { border-radius: 13px; padding-inline: 1.6rem; }

.section { padding: 2.6rem 0; }
.section-head { margin-bottom: 1.4rem; }
.section-head h2 { font-size: 1.4rem; font-weight: 700; display: flex; align-items: center; gap: .65rem; }
.section-head h2::before { content: ""; width: 4px; height: 1.15em; border-radius: 4px; background: linear-gradient(var(--brand-btn), var(--accent)); }
.section-head > a { font-size: .9rem; font-weight: 600; padding: .35rem .8rem; border-radius: 999px; background: var(--brand-soft); color: var(--brand); }
.section-head > a:hover { background: var(--brand-btn); color: #fff; text-decoration: none; }
.page-head h1 { font-weight: 800; letter-spacing: -.02em; }

/* ---------- 6) البطاقات والمربعات ---------- */
.card-article, .cat-tile, .tool-tile, .cat-group, .toc-box, .side-box, .toc-mobile, .author-box, .comment-form, .tool-card, .updates-list {
  border-color: var(--line); box-shadow: var(--shadow-sm);
}
.card-article { border-radius: var(--radius); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.card-article:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--brand) 40%, var(--line)); }
.card-media img { transition: transform .6s cubic-bezier(.2, .7, .2, 1); }
.card-article:hover .card-media img { transform: scale(1.05); }
.card-placeholder { background: linear-gradient(135deg, var(--brand-soft), rgba(124, 92, 255, .14)); color: var(--brand); }
.badge-cat { background: var(--brand-soft); color: var(--brand); letter-spacing: 0; }
.badge-cat:hover { background: var(--brand-btn); color: #fff; }
.card-body-x { padding: 1.1rem 1.2rem 1.2rem; gap: .55rem; }
.card-title-x { font-size: 1.06rem; font-weight: 700; }
.card-title-x a:hover { color: var(--brand); }
.card-meta { border-top: 1px solid var(--line); padding-top: .75rem; margin-top: auto; }

.cat-tile, .tool-tile { border-radius: var(--radius); transition: transform .22s, box-shadow .22s, border-color .22s; }
.cat-tile:hover, .tool-tile:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--brand) 45%, var(--line)); }
.cat-icon { background: var(--brand-soft); color: var(--brand); border-radius: 14px; transition: background .2s, color .2s, transform .2s; }
.cat-tile:hover .cat-icon { background: var(--brand-btn); color: #fff; transform: scale(1.06); }
.chip { border-radius: 999px; background: var(--card-bg); transition: all .15s; }
.chip:hover { background: var(--brand-soft); border-color: var(--brand); }
.tabs-mini { background: var(--soft); border: 1px solid var(--line); padding: .22rem; border-radius: 12px; }
.tabs-mini button { border-radius: 9px; font-weight: 500; transition: background .15s, color .15s; }
.tabs-mini button.active { background: var(--card-bg); color: var(--brand); box-shadow: var(--shadow-sm); font-weight: 600; }
.updates-list { border-radius: var(--radius); background: var(--card-bg); }
.updates-list li { background: transparent; transition: background .15s; }
.updates-list li:hover { background: var(--soft); }
.tools-filter.active, .share-btn:hover, .social a:hover { background: var(--brand-btn); border-color: var(--brand-btn); color: #fff; }
.tools-filter:hover { border-color: var(--brand); color: var(--brand); }
.tools-filter.active:hover { color: #fff; }
.tool-card { border-radius: var(--radius); box-shadow: var(--shadow); }
.tool-big { color: var(--brand); }

/* النشرة البريدية */
.newsletter {
  position: relative; overflow: hidden; isolation: isolate; border-radius: 22px; padding: 2.6rem 2.4rem;
  background: linear-gradient(125deg, #1b2677 0%, #3358e6 55%, #6a4cff 100%);
  box-shadow: 0 24px 50px -22px rgba(51, 88, 230, .6);
}
.newsletter::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .55;
  background:
    radial-gradient(400px 220px at 90% 0%, rgba(255, 255, 255, .22), transparent 70%),
    radial-gradient(300px 200px at 0% 100%, rgba(255, 255, 255, .12), transparent 70%);
}
.newsletter h2 { font-weight: 800; letter-spacing: -.01em; }
.newsletter-form input[type=email] { border-radius: 12px; padding: .75rem 1.1rem; }
.newsletter-form .btn-light { border-radius: 12px; font-weight: 700; color: #1b2677; padding-inline: 1.4rem; }

/* ---------- 7) صفحة المقال ---------- */
.article-header h1 { font-weight: 800; letter-spacing: -.02em; }
html[dir="rtl"] .article-header h1 { letter-spacing: 0; line-height: 1.4; }
.article-meta { border-color: var(--line); }
.article-hero img { border-radius: 16px; box-shadow: var(--shadow); }
.article-side { top: calc(var(--header-h) + 18px); }
.toc-box, .side-box { border-radius: var(--radius); background: var(--card-bg); }
.toc-title { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--bs-secondary-color); }
html[dir="rtl"] .toc-title { letter-spacing: 0; text-transform: none; font-size: .9rem; }
.toc-list li a { border-radius: 8px; border-inline-start: 2px solid transparent; }
.toc-list li a.active { border-inline-start-color: var(--brand); background: var(--brand-soft); color: var(--brand); }
.rating-box { border-radius: var(--radius); background: var(--soft); }
.author-box { border-radius: var(--radius); box-shadow: var(--shadow-sm); }

.article-content { --c-info: var(--brand-btn); --c-code-bg: #0d1424; }
.article-content h2 { border-bottom: 0; padding-bottom: 0; margin-top: 2.6rem; font-weight: 700; position: relative; }
.article-content h2::after { content: ""; display: block; width: 56px; height: 3px; border-radius: 3px; margin-top: .55rem; background: linear-gradient(90deg, var(--brand-btn), var(--accent)); }
.article-content a { text-decoration-color: color-mix(in srgb, var(--brand) 45%, transparent); }
.article-content a:hover { text-decoration-color: var(--brand); }
.article-content blockquote { border-radius: 0 12px 12px 0; background: var(--brand-soft); border-inline-start-color: var(--brand-btn); }
html[dir="rtl"] .article-content blockquote { border-radius: 12px 0 0 12px; }
.article-content :not(pre) > code { background: var(--brand-soft); color: var(--brand); border: 1px solid color-mix(in srgb, var(--brand) 18%, transparent); font-weight: 500; }
.article-content pre {
  border-radius: 14px; border: 1px solid rgba(255, 255, 255, .06); box-shadow: var(--shadow);
  background: linear-gradient(180deg, #111a2e, #0d1424);
}
.article-content pre::before { border-radius: 14px 0 12px 0; background: rgba(255, 255, 255, .07); }
.article-content img, .article-content video { border-radius: 12px; }
.article-content table { border-collapse: separate; border-spacing: 0; border: 1px solid var(--c-border); border-radius: 12px; overflow: hidden; }
.article-content th, .article-content td { border: 0; border-bottom: 1px solid var(--c-border); }
.article-content tr:last-child td { border-bottom: 0; }
.article-content th { background: var(--soft); font-weight: 700; font-size: .9rem; }
.article-content tbody tr:nth-child(even) td { background: color-mix(in srgb, var(--soft) 55%, transparent); }
.callout { border-radius: 12px; }
.content-btn { background: var(--brand-btn); border-radius: 10px; }

/* التعليقات */
.c-avatar { background: var(--brand-soft); color: var(--brand); }
.comment-form { border-radius: var(--radius); background: var(--card-bg); }

/* ---------- 8) الفوتر ---------- */
.site-footer { margin-top: 4.5rem; padding: 3.6rem 0 1.6rem; background: var(--card-bg); border-top: 1px solid var(--line); position: relative; }
.site-footer::before { content: ""; position: absolute; inset-inline: 0; top: -1px; height: 2px; background: linear-gradient(90deg, transparent, var(--brand-btn), var(--accent), transparent); opacity: .55; }
.footer-h { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--bs-secondary-color); margin-bottom: 1rem; }
html[dir="rtl"] .footer-h { text-transform: none; font-size: .92rem; }
.footer-links li { margin-bottom: .55rem; }
.footer-links a { color: var(--bs-body-color); opacity: .78; transition: opacity .15s, color .15s; }
.footer-links a:hover { color: var(--brand); opacity: 1; text-decoration: none; }
.site-footer .social a { background: var(--soft); border-color: var(--line); color: var(--bs-secondary-color); transition: all .15s; }
.footer-bottom { border-color: var(--line); }

.cookie-bar { border-radius: 16px; box-shadow: var(--shadow-lg); }
.not-found .nf-code { background: linear-gradient(135deg, var(--brand-btn), var(--accent)); -webkit-background-clip: text; background-clip: text; }

/* ---------- 9) متجاوب ---------- */
@media (max-width: 991.98px) {
  :root { --header-h: 62px; }
  .brand-logo { max-width: 52vw; }
}
@media (max-width: 575.98px) {
  .hero { padding: 3rem 0 2.4rem; }
  .hero-search { border-radius: 14px; padding-inline-start: .8rem; }
  .newsletter { padding: 1.8rem 1.3rem; border-radius: 18px; }
  .section { padding: 1.8rem 0; }
}
@media (prefers-reduced-motion: reduce) {
  .card-article, .cat-tile, .tool-tile, .card-media img, .btn { transition: none !important; }
  .card-article:hover, .cat-tile:hover, .tool-tile:hover { transform: none; }
}