/* ============================================
   الأنماط الأساسية الموحدة — تعمل مع كل الثيمات
   كل ثيم يغيّر المتغيرات في :root فقط
   ============================================ */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* قيم افتراضية — تُستبدل من ملف الثيم */
  --bg: #0a0e17;
  --bg-2: #0d1421;
  --bg-3: #161d2b;
  --text: #e6edf3;
  --text-2: #9ca3af;
  --text-3: #6b7280;
  --primary: #00ff88;
  --primary-2: #00cc6e;
  --on-primary: #0a0e17;
  --border: #1f2937;
  --radius: 12px;
  --radius-sm: 6px;
  --shadow: 0 15px 40px rgba(0,0,0,.3);
  --font: 'Cairo', sans-serif;
  --header-bg: rgba(10,14,23,.95);
  --footer-bg: #0d1421;
  --card-bg: var(--bg-2);
  --tag-bg: rgba(0,255,136,.12);
  --tag-color: var(--primary);
  --btn-radius: 6px;
  --hero-grad: radial-gradient(ellipse at 70% 20%, rgba(0,255,136,.08), transparent 60%);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

html { scroll-behavior: smooth; scroll-padding-top: 90px; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; }
main { flex: 1; }

.container { max-width: 1200px; margin: auto; padding: 0 20px; width: 100%; }

/* ============ الهيدر ============ */
header.site-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(12px);
}
.nav { display: flex; justify-content: space-between; align-items: center; min-height: 80px; padding: 15px 20px; gap: 15px; }
.logo { font-size: 1.4rem; font-weight: 900; color: var(--primary); white-space: nowrap; }
.logo span { color: var(--text); }
.nav-menu { display: flex; list-style: none; gap: 22px; }
.nav-menu a { color: var(--text-2); font-weight: 600; transition: .3s; font-size: .95rem; }
.nav-menu a:hover, .nav-menu a.active { color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 12px; }

.btn {
  background: var(--primary); color: var(--on-primary);
  padding: 9px 22px; border-radius: var(--btn-radius);
  font-weight: 700; transition: .3s; display: inline-block;
  border: none; cursor: pointer; font-family: var(--font); font-size: .95rem;
}
.btn:hover { background: var(--primary-2); transform: translateY(-2px); }
.btn-outline { background: transparent; border: 1px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--on-primary); }

/* زر تغيير الثيم */
.theme-btn {
  background: var(--bg-3); border: 1px solid var(--border); color: var(--text);
  width: 42px; height: 42px; border-radius: 50%; cursor: pointer;
  font-size: 1.2rem; transition: .3s; display: flex; align-items: center; justify-content: center;
}
.theme-btn:hover { border-color: var(--primary); transform: rotate(20deg); }

/* قائمة الثيمات */
.theme-panel {
  position: fixed; top: 80px; left: 20px; z-index: 1000;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; width: 280px; box-shadow: var(--shadow);
  display: none;
}
.theme-panel.open { display: block; animation: fadeUp .25s ease; }
.theme-panel h4 { margin-bottom: 12px; font-size: 1rem; color: var(--text); }
.theme-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.theme-item {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px;
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  cursor: pointer; transition: .2s; font-size: .82rem; font-weight: 600;
  color: var(--text-2); background: var(--bg);
}
.theme-item:hover { border-color: var(--primary); color: var(--text); }
.theme-item.active { border-color: var(--primary); color: var(--primary); }
.theme-dot { width: 16px; height: 16px; border-radius: 50%; flex-shrink: 0; border: 2px solid rgba(255,255,255,.2); }

/* زر القائمة للجوال */
.menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.6rem; cursor: pointer; }

/* ============ الهيرو ============ */
.hero { padding: 80px 0; background: var(--hero-grad); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 45px; align-items: center; }
.hero h1 { font-size: 2.6rem; font-weight: 900; line-height: 1.4; }
.hero h1 span { color: var(--primary); }
.hero p { color: var(--text-2); margin: 20px 0; font-size: 1.1rem; }
.hero-badge {
  display: inline-block; background: var(--tag-bg); color: var(--tag-color);
  padding: 6px 18px; border-radius: 30px; font-weight: 700; font-size: .9rem; margin-bottom: 16px;
}

/* نافذة الطرفية */
.terminal { background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
.terminal-bar { background: var(--bg-3); padding: 10px 15px; display: flex; gap: 8px; }
.terminal-bar i { width: 12px; height: 12px; border-radius: 50%; display: block; }
.terminal-body { padding: 20px; font-family: 'Courier New', monospace; direction: ltr; text-align: left; font-size: .88rem; color: var(--primary); }
.terminal-body .cmd { color: var(--text); }
.terminal-body .dim { color: var(--text-3); }

/* ============ الإحصائيات ============ */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 50px auto; }
.stat {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 25px; text-align: center; transition: .3s;
}
.stat:hover { border-color: var(--primary); transform: translateY(-5px); }
.stat b { font-size: 2.2rem; color: var(--primary); display: block; }
.stat span { color: var(--text-2); font-size: .95rem; }

/* ============ الأقسام ============ */
.section { padding: 80px 0 55px; }
.section-alt { background: var(--bg-2); }
.section-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; flex-wrap: wrap; gap: 10px; }
.section-title h2 { font-size: 1.7rem; font-weight: 900; position: relative; padding-right: 16px; }
.section-title h2::before {
  content: ''; position: absolute; right: 0; top: 8px; bottom: 8px;
  width: 5px; background: var(--primary); border-radius: 5px;
}
.section-title .more-link { color: var(--primary); font-weight: 700; font-size: .95rem; }

/* ============ البطاقات ============ */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: .3s; display: flex; flex-direction: column;
}
.card:hover { border-color: var(--primary); transform: translateY(-6px); box-shadow: var(--shadow); }
.card-img { position: relative; width: 100%; aspect-ratio: 16 / 9; display: flex; align-items: center; justify-content: center; font-size: 3.5rem; background: var(--bg-3); overflow: hidden; }
.card-img img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.tag {
  display: inline-block; background: var(--tag-bg); color: var(--tag-color);
  padding: 3px 13px; border-radius: 20px; font-size: .78rem; font-weight: 700;
  margin-bottom: 10px; align-self: flex-start;
}
.card h3 { font-size: 1.1rem; margin-bottom: 8px; line-height: 1.5; }
.card h3 a:hover { color: var(--primary); }
.card p { color: var(--text-2); font-size: .9rem; flex: 1; }
.card-meta {
  display: flex; justify-content: space-between; color: var(--text-3); font-size: .8rem;
  margin-top: 15px; border-top: 1px solid var(--border); padding-top: 12px;
}

/* ============ صفحة المحتوى المفرد ============ */
.single { padding: 80px 0 50px; }
.single-header { margin-bottom: 30px; }
.single-header h1 { font-size: 2.2rem; font-weight: 900; line-height: 1.5; margin: 14px 0; }
.single-meta { display: flex; gap: 20px; color: var(--text-3); font-size: .9rem; flex-wrap: wrap; }
.single-img { position: relative; width: 100%; border-radius: var(--radius); overflow: hidden; margin: 25px 0; background: var(--bg-2); aspect-ratio: 16 / 9; }
.single-img img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
.single-content { font-size: 1.08rem; max-width: 800px; }
.single-content h2 { margin: 35px 0 15px; font-size: 1.6rem; color: var(--primary); }
.single-content h3 { margin: 28px 0 12px; font-size: 1.3rem; }
.single-content p { margin-bottom: 18px; color: var(--text); }
.single-content ul, .single-content ol { margin: 0 25px 18px 0; }
.single-content li { margin-bottom: 8px; }
.single-content img { border-radius: var(--radius); margin: 15px 0; }
.single-content blockquote {
  border-right: 4px solid var(--primary); background: var(--bg-2);
  padding: 15px 20px; border-radius: var(--radius-sm); margin: 20px 0; color: var(--text-2);
}
.single-content pre {
  background: #0d1117; color: #58d68d; padding: 18px; border-radius: var(--radius-sm);
  overflow-x: auto; direction: ltr; text-align: left; margin: 20px 0; font-size: .9rem;
  border: 1px solid var(--border);
}
.single-content code { background: var(--bg-3); padding: 2px 8px; border-radius: 4px; font-size: .9em; direction: ltr; unicode-bidi: embed; }
.single-content pre code { background: none; padding: 0; }
.single-content table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.single-content th, .single-content td { border: 1px solid var(--border); padding: 10px 14px; text-align: right; }
.single-content th { background: var(--bg-2); color: var(--primary); }
.single-content iframe { max-width: 100%; border-radius: var(--radius); border: none; }

/* ============ صفحة الكورس ============ */
.course-header { display: grid; grid-template-columns: 1fr 340px; gap: 35px; align-items: start; }
.course-info-box { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 25px; position: sticky; top: 90px; }
.course-info-box ul { list-style: none; }
.course-info-box li { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: .95rem; }
.course-info-box li:last-child { border: none; }
.course-info-box li b { color: var(--primary); }
.lessons-list { list-style: none; margin-top: 25px; }
.lesson-item {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  margin-bottom: 10px; transition: .3s;
}
.lesson-item:hover { border-color: var(--primary); }
.lesson-item a { display: flex; align-items: center; gap: 15px; padding: 15px 20px; }
.lesson-num {
  background: var(--tag-bg); color: var(--tag-color); width: 36px; height: 36px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 700; flex-shrink: 0; font-size: .9rem;
}
.lesson-title { flex: 1; font-weight: 600; }
.lesson-duration { color: var(--text-3); font-size: .85rem; }

/* ============ الترقيم ============ */
.pagination { display: flex; gap: 8px; justify-content: center; margin: 40px 0 10px; flex-wrap: wrap; }
.pagination a, .pagination .current, .pagination .dots {
  padding: 8px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  color: var(--text-2); font-weight: 600; transition: .3s;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }
.pagination .dots { border: none; }

/* ============ فلاتر التصنيفات ============ */
.cat-filter { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.cat-filter a {
  padding: 7px 18px; border-radius: 30px; border: 1px solid var(--border);
  color: var(--text-2); font-weight: 600; font-size: .9rem; transition: .3s;
}
.cat-filter a:hover, .cat-filter a.active { border-color: var(--primary); color: var(--primary); background: var(--tag-bg); }

/* ============ نموذج البحث والاتصال ============ */
.search-form { display: flex; gap: 10px; max-width: 550px; margin: 0 auto 35px; }
.search-form input {
  flex: 1; padding: 12px 18px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--card-bg); color: var(--text); font-family: var(--font); font-size: 1rem;
}
.search-form input:focus { outline: none; border-color: var(--primary); }
.form-grid { display: grid; gap: 18px; max-width: 650px; }
.form-grid label { font-weight: 700; display: block; margin-bottom: 6px; }
.form-grid input, .form-grid textarea, .form-grid select {
  width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--card-bg); color: var(--text); font-family: var(--font); font-size: 1rem;
}
.form-grid input:focus, .form-grid textarea:focus, .form-grid select:focus { outline: none; border-color: var(--primary); }
.form-grid textarea { resize: vertical; }
.auth-box { max-width: 460px; margin: 0 auto; }
.auth-box .form-grid { max-width: 100%; }
.muted-link { color: var(--text-2); }
.muted-link a { color: var(--primary); font-weight: 700; }
.status-pill { padding: 2px 12px; border-radius: 20px; font-size: .8rem; font-weight: 700; display: inline-block; }
.status-published { background: rgba(34,197,94,.15); color: #4ade80; }
.status-pending { background: rgba(56,189,248,.15); color: #38bdf8; }
.status-rejected { background: rgba(239,68,68,.15); color: #f87171; }
.status-draft { background: rgba(148,163,184,.15); color: #94a3b8; }

/* ============ إحصائيات الكاتب ============ */
.mini-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; margin-bottom: 30px; }
.mini-stat { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; }
.mini-stat b { font-size: 1.8rem; display: block; color: var(--primary); line-height: 1.2; }
.mini-stat span { color: var(--text-2); font-size: .88rem; }

/* ============ مشاركة المقال ============ */
.share-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 35px 0; padding-top: 22px; border-top: 1px solid var(--border); }
.share-row .share-label { font-weight: 700; color: var(--text-2); }
.share-btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 15px; border-radius: var(--radius-sm); border: 1px solid var(--border); color: var(--text-2); font-weight: 600; font-size: .9rem; background: var(--card-bg); cursor: pointer; transition: .25s; font-family: var(--font); }
.share-btn:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

/* ============ وضع القراءة ============ */
.read-modes { display: inline-flex; gap: 4px; background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px; }
.read-modes button { border: none; background: transparent; color: var(--text-2); padding: 6px 13px; border-radius: var(--radius-sm); cursor: pointer; font-weight: 600; font-size: .85rem; font-family: var(--font); transition: .2s; }
.read-modes button:hover { color: var(--text); }
.read-modes button.active { background: var(--primary); color: var(--on-primary); }
.single-content.reading-day { background: #fbf7ef; color: #2d2a24; padding: 28px; border-radius: var(--radius); font-size: 1.12rem; line-height: 2.05; }
.single-content.reading-day h2, .single-content.reading-day h3, .single-content.reading-day h4 { color: #0b6e4f; }
.single-content.reading-day a { color: #0b6e4f; }
.single-content.reading-day pre { background: #2b2a26; color: #e8e2d6; }
.single-content.reading-day blockquote { background: #efe7d6; color: #4a4536; border-right-color: #0b6e4f; }
.single-content.reading-day code { background: #efe7d6; color: #8a5a00; }
.single-content.reading-night { background: #16140f; color: #e8e2d6; padding: 28px; border-radius: var(--radius); font-size: 1.12rem; line-height: 2.1; }
.single-content.reading-night h2, .single-content.reading-night h3, .single-content.reading-night h4 { color: #f0c674; }
.single-content.reading-night a { color: #f0c674; }
.single-content.reading-night blockquote { background: #211d15; color: #d8d0c0; border-right-color: #f0c674; }
.alert { padding: 14px 20px; border-radius: var(--radius-sm); margin-bottom: 20px; font-weight: 600; }
.alert-success { background: rgba(34,197,94,.12); color: #4ade80; border: 1px solid rgba(34,197,94,.3); }
.alert-error { background: rgba(239,68,68,.12); color: #f87171; border: 1px solid rgba(239,68,68,.3); }

/* ============ صفحة من أنا ============ */
.about-grid { display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: start; }
.about-avatar {
  width: 100%; aspect-ratio: 1; border-radius: var(--radius); background: var(--bg-3);
  display: flex; align-items: center; justify-content: center; font-size: 6rem;
  border: 1px solid var(--border);
}
.skill-bar { margin-bottom: 18px; }
.skill-bar .head { display: flex; justify-content: space-between; font-weight: 600; margin-bottom: 6px; font-size: .95rem; }
.skill-bar .bar { height: 10px; background: var(--bg-3); border-radius: 10px; overflow: hidden; }
.skill-bar .bar i { display: block; height: 100%; background: var(--primary); border-radius: 10px; }

/* ============ الفوتر ============ */
footer.site-footer {
  background: var(--footer-bg); border-top: 1px solid var(--border);
  padding: 40px 0 20px; margin-top: 50px; color: var(--text-3);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 35px; margin-bottom: 30px; }
.footer-grid h4 { color: var(--text); margin-bottom: 14px; font-size: 1.05rem; }
.footer-grid p { font-size: .92rem; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--text-3); transition: .3s; font-size: .92rem; }
.footer-grid a:hover { color: var(--primary); }
.footer-bottom { text-align: center; border-top: 1px solid var(--border); padding-top: 20px; font-size: .9rem; }
.footer-bottom b { color: var(--primary); }

/* ============ حركات ============ */
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.fade-in { animation: fadeUp .5s ease; }

/* ============ استجابة ============ */
@media (max-width: 992px) {
  .cards, .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .course-header, .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .course-info-box { position: static; }
  .header-search { width: 260px; }
}
@media (max-width: 768px) {
  .nav-menu {
    display: none; position: absolute; top: 80px; right: 0; left: 0;
    background: var(--bg-2); flex-direction: column; padding: 20px; gap: 14px;
    border-bottom: 1px solid var(--border);
  }
  .nav-menu.open { display: flex; }
  .menu-toggle { display: block; }
  .hero h1 { font-size: 1.9rem; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cards, .cards-4 { grid-template-columns: 1fr; }
  .single-header h1 { font-size: 1.6rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .header-search { display: none; }
  .search-toggle { display: flex; }
}

/* ============ تأثيرات البطاقات المحسّنة ============ */
.card-img { position: relative; overflow: hidden; }
.card-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.6) 0%, transparent 50%);
  opacity: 0; transition: opacity .4s ease;
  pointer-events: none;
}
.card:hover .card-img::after { opacity: 1; }
.card-img img { transition: transform .5s ease; }
.card:hover .card-img img { transform: scale(1.08); }

/* ============ زر العودة للأعلى ============ */
.back-to-top {
  position: fixed; bottom: 30px; left: 30px; z-index: 999;
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--primary); color: var(--on-primary);
  border: none; cursor: pointer;
  font-size: 1.4rem; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 5px 20px rgba(0,0,0,.3);
  opacity: 0; visibility: hidden; transform: translateY(20px);
  transition: all .3s ease;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,.4); }
.back-to-top svg { width: 22px; height: 22px; fill: currentColor; }

/* ============ البحث في الهيدر ============ */
.header-search {
  position: relative; width: 220px;
}
.header-search input {
  width: 100%; padding: 8px 38px 8px 14px;
  border-radius: 30px; border: 1px solid var(--border);
  background: var(--bg-3); color: var(--text);
  font-family: var(--font); font-size: .88rem;
  transition: .3s;
}
.header-search input:focus { outline: none; border-color: var(--primary); background: var(--bg-2); }
.header-search input::placeholder { color: var(--text-3); }
.header-search .search-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; fill: var(--text-3); pointer-events: none;
}
.search-toggle {
  display: none; background: none; border: none; cursor: pointer;
  color: var(--text-2); width: 36px; height: 36px;
  align-items: center; justify-content: center;
}
.search-toggle svg { width: 18px; height: 18px; fill: currentColor; }

/* ============ شريط المهارات المتحرك ============ */
.skill-bar .bar i {
  width: 0 !important;
  transition: width 1.2s cubic-bezier(.4,0,.2,1);
}
.skill-bar.animated .bar i {
  width: var(--skill-width) !important;
}

/* ============ أيقونات السوشيال ميديا (فوتر) ============ */
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--border); display: flex; align-items: center; justify-content: center;
  transition: .3s; color: var(--text-3);
}
.footer-social a:hover {
  border-color: var(--primary); color: var(--primary);
  transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0,0,0,.2);
}
.footer-social svg { width: 18px; height: 18px; fill: currentColor; }

/* ============ تأثير الكشف عند التمرير ============ */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.revealed {
  opacity: 1; transform: translateY(0);
}

/* ============ عداد متحرك ============ */
.stat b { transition: color .3s; }
.stat.counting b { opacity: .7; }

/* ============ صفحة 404 محسّنة ============ */
.error-404 { text-align: center; padding: 80px 20px; }
.error-404 h1 {
  font-size: 8rem; font-weight: 900; line-height: 1;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.error-404 p { color: var(--text-2); font-size: 1.2rem; margin: 15px 0 30px; }

/* ============ تأثير نبض الهيرو ============ */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 15px rgba(0,255,136,.15); }
  50% { box-shadow: 0 0 30px rgba(0,255,136,.3); }
}
.hero-badge { animation: pulse-glow 3s ease-in-out infinite; }
/* ============ جدول المحتويات (TOC) ============ */
.table-of-contents {
  background: var(--bg-2); border: 1px solid var(--border);
  padding: 20px; border-radius: var(--radius); margin-bottom: 30px;
}
.table-of-contents h3 { margin-top: 0; font-size: 1.2rem; margin-bottom: 15px; }
.table-of-contents ul { list-style: none; padding: 0; margin: 0; }
.table-of-contents li { margin-bottom: 8px; }
.table-of-contents a { color: var(--text-2); text-decoration: none; transition: .2s; }
.table-of-contents a:hover { color: var(--primary); }

/* ============ أزرار المشاركة ============ */
.share-buttons { display: flex; gap: 10px; margin: 30px 0; align-items: center; }
.share-title { font-weight: bold; margin-left: 10px; }
.share-btn {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; text-decoration: none; transition: transform .3s;
}
.share-btn:hover { transform: translateY(-3px); }
.share-btn svg { width: 18px; height: 18px; fill: currentColor; }
.share-fb { background: #1877F2; }
.share-tw { background: #000000; border: 1px solid #333; }
.share-wa { background: #25D366; }
.share-in { background: #0A66C2; }
.share-tg { background: #229ED9; }

/* ============ قسم التعليقات ============ */
.comments-section { margin-top: 50px; border-top: 1px solid var(--border); padding-top: 30px; }
.comments-list { margin-bottom: 40px; }
.comment-item {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 15px;
}
.comment-header { display: flex; justify-content: space-between; margin-bottom: 10px; }
.comment-author { font-weight: bold; color: var(--primary); }
.comment-date { font-size: 0.85rem; color: var(--text-3); }
.comment-form-wrap { background: var(--bg-2); padding: 25px; border-radius: var(--radius); border: 1px solid var(--border); }
.comment-form-wrap h3 { margin-top: 0; margin-bottom: 15px; }
.comment-form .form-group { margin-bottom: 15px; }
.comment-form input, .comment-form textarea {
  width: 100%; padding: 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-3); color: var(--text); font-family: var(--font);
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--primary); }
.comment-msg { padding: 10px; border-radius: 8px; margin-top: 15px; display: none; }
.comment-msg.success { background: rgba(34,197,94,.1); color: #22c55e; border: 1px solid rgba(34,197,94,.2); display: block; }
.comment-msg.error { background: rgba(239,68,68,.1); color: #ef4444; border: 1px solid rgba(239,68,68,.2); display: block; }

/* ============ النشرة البريدية ============ */
.newsletter-form { display: flex; gap: 10px; margin-top: 15px; position: relative; }
.newsletter-form input {
  flex: 1; padding: 10px 15px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-3); color: var(--text);
}
.newsletter-form button {
  padding: 10px 20px; border: none; background: var(--primary); color: var(--on-primary);
  border-radius: 8px; cursor: pointer; font-weight: bold; transition: .2s;
}
.newsletter-form button:hover { opacity: 0.9; }
.newsletter-msg { font-size: 0.85rem; margin-top: 8px; display: block; }
.newsletter-msg.success { color: #22c55e; }
.newsletter-msg.error { color: #ef4444; }

/* ============ تأثير كتابة الطرفية ============ */
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.terminal-body div:last-child { animation: blink-cursor 1s infinite; }

/* ============ تحسين صورة صفحة من أنا ============ */
.about-avatar img {
  width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius);
}

/* ============ بوابة الذكاء الاصطناعي (AI Hub) ============ */
.hub-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 30px;
  margin-top: 40px;
}
.hub-sidebar {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: sticky;
  top: 100px;
  height: fit-content;
}
.hub-sidebar-title {
  font-size: 1.1rem;
  font-weight: 900;
  margin-bottom: 20px;
  color: var(--primary);
  border-bottom: 2px solid var(--border);
  padding-bottom: 10px;
}
.hub-tabs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.hub-tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-2);
  padding: 12px 16px;
  text-align: right;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font);
  font-weight: bold;
  font-size: .95rem;
  transition: all .3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hub-tab-btn i {
  font-style: normal;
  font-size: 1.2rem;
}
.hub-tab-btn:hover {
  background: var(--bg-3);
  color: var(--text);
  padding-right: 20px;
}
.hub-tab-btn.active {
  background: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
}
.hub-content {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  min-height: 500px;
}
.hub-pane {
  display: none;
  animation: fadeUp .4s ease;
}
.hub-pane.active {
  display: block;
}

/* بطاقة الزجاج المضيئة (Glassmorphic Glow Card) */
.glass-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 25px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: all .3s ease;
}
.glass-card:hover {
  border-color: var(--primary);
  box-shadow: 0 15px 40px rgba(0, 255, 136, 0.08);
  transform: translateY(-4px);
}

/* شاشة المحادثة (Chat Console) */
.chat-container {
  display: flex;
  flex-direction: column;
  height: 550px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.chat-header {
  background: var(--bg-2);
  padding: 15px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.chat-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
  scroll-behavior: smooth;
}
.chat-message {
  max-width: 75%;
  padding: 14px 18px;
  border-radius: 18px;
  line-height: 1.6;
  font-size: .95rem;
  animation: fadeUp .3s ease;
}
.chat-message.user {
  align-self: flex-start;
  background: var(--primary);
  color: var(--on-primary);
  border-bottom-right-radius: 4px;
}
.chat-message.ai {
  align-self: flex-end;
  background: var(--bg-2);
  color: var(--text);
  border-bottom-left-radius: 4px;
  border: 1px solid var(--border);
}
.chat-message.system {
  align-self: center;
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.2);
  font-size: .85rem;
}
.chat-input-area {
  padding: 15px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
}
.chat-input-area input {
  flex: 1;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 10px 20px;
  color: var(--text);
  font-family: var(--font);
  outline: none;
  font-size: .95rem;
}
.chat-input-area input:focus {
  border-color: var(--primary);
}
.chat-input-area button {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: .2s;
}
.chat-input-area button:hover {
  transform: scale(1.05);
  background: var(--primary-2);
}

/* أداة تلخيص NotebookLM */
.uploader-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.01);
  transition: .3s;
  margin-bottom: 25px;
}
.uploader-area:hover, .uploader-area.dragover {
  border-color: var(--primary);
  background: rgba(0, 255, 136, 0.02);
}
.uploader-icon {
  font-size: 3rem;
  margin-bottom: 15px;
  display: block;
}
.summary-output {
  margin-top: 30px;
  border-top: 2px dashed var(--border);
  padding-top: 25px;
  animation: fadeUp .5s ease;
}

/* مساحة التخزين 5TB */
.storage-widget {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 25px;
  margin-bottom: 30px;
}
.storage-progress-wrapper {
  margin: 20px 0;
}
.storage-progress-bar {
  height: 14px;
  background: var(--bg);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
}
.storage-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  border-radius: 10px;
  transition: width 1s ease;
}
.storage-legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 15px;
  margin-top: 20px;
  font-size: .88rem;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* كود المساعد Jules */
.jules-file-picker {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}
.code-editor-area {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.jules-output {
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  overflow-x: auto;
  font-family: 'Courier New', monospace;
  font-size: .9rem;
  color: #8da2c0;
  max-height: 400px;
  direction: ltr;
  text-align: left;
}

/* تحسينات التصميم العام */
.logo {
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}
.hero-badge {
  box-shadow: 0 0 15px var(--tag-bg);
}
.card {
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), border-color 0.4s ease, box-shadow 0.4s ease;
}
.card:hover {
  box-shadow: 0 15px 35px rgba(0, 255, 136, 0.12);
  border-color: var(--primary);
}

@media (max-width: 992px) {
  .hub-layout {
    grid-template-columns: 1fr;
  }
  .hub-sidebar {
    position: static;
  }
  .hub-tabs {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 10px;
  }
  .hub-tab-btn {
    white-space: nowrap;
  }
}

/* ============ مساعد الذكاء الاصطناعي العائم (Floating AI Widget) ============ */
.ai-floating-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(0, 255, 136, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-primary);
  font-size: 1.7rem;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 9999;
}
.ai-floating-btn:hover {
  transform: scale(1.1) rotate(15deg);
  box-shadow: 0 12px 40px rgba(0, 255, 136, 0.4);
}
.ai-floating-panel {
  position: fixed;
  bottom: 105px;
  right: 30px;
  width: 380px;
  height: 520px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 9999;
  display: none;
  flex-direction: column;
  overflow: hidden;
  backdrop-filter: blur(20px);
  animation: fadeUp 0.3s ease;
}
.ai-floating-panel.open {
  display: flex;
}
.ai-floating-header {
  background: var(--bg-3);
  padding: 15px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ai-floating-header h4 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 900;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.ai-floating-close {
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
  transition: .2s;
}
.ai-floating-close:hover {
  color: #f87171;
}
.ai-floating-body {
  flex: 1;
  padding: 15px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.88rem;
  line-height: 1.5;
  background: var(--bg);
}
.ai-floating-msg {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 15px;
  word-wrap: break-word;
}
.ai-floating-msg.user {
  align-self: flex-start;
  background: var(--primary);
  color: var(--on-primary);
  border-bottom-right-radius: 3px;
}
.ai-floating-msg.ai {
  align-self: flex-end;
  background: var(--bg-2);
  color: var(--text);
  border-bottom-left-radius: 3px;
  border: 1px solid var(--border);
}
.ai-floating-msg.system {
  align-self: center;
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  font-size: .8rem;
  border: 1px solid rgba(239, 68, 68, 0.15);
}
.ai-floating-input-area {
  padding: 12px 15px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
}
.ai-floating-input-area input {
  flex: 1;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 8px 15px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.88rem;
  outline: none;
}
.ai-floating-input-area input:focus {
  border-color: var(--primary);
}
.ai-floating-input-area button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.ai-floating-input-area button:hover {
  background: var(--primary-2);
}

/* زر التوليد في صفحة الكتابة */
.ai-write-btn {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  transition: .3s;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font);
  margin-top: 5px;
}
.ai-write-btn:hover {
  background: var(--primary);
  color: var(--on-primary);
}
.ai-write-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

@media (max-width: 480px) {
  .ai-floating-panel {
    width: calc(100% - 40px);
    right: 20px;
    left: 20px;
    height: 450px;
    bottom: 90px;
  }
  .ai-floating-btn {
    bottom: 20px;
    right: 20px;
  }
}