:root{--color-bg: #030712;--color-primary: #10b981;--color-primary-glow: rgba(16, 185, 129, .3);--color-gold: #f59e0b;--color-gold-glow: rgba(245, 158, 11, .3);--color-glass: rgba(15, 23, 42, .75);--color-glass-border: rgba(255, 255, 255, .1)}body{font-family:Tajawal,sans-serif;background-color:var(--color-bg);color:#f8fafc;margin:0;padding:0;min-height:100vh;scroll-behavior:smooth}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#090d16}::-webkit-scrollbar-thumb{background:#1e293b;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-primary)}.font-cairo{font-family:Cairo,sans-serif}.font-ruqaa{font-family:Aref Ruqaa,serif}.glass-panel{background:var(--color-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--color-glass-border);box-shadow:0 10px 40px #0009}.glass-panel-gold{background:#0f172ad9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(245,158,11,.25);box-shadow:0 10px 40px #f59e0b1a}.neon-glow-primary{box-shadow:0 0 20px var(--color-primary-glow)}.neon-glow-gold{box-shadow:0 0 20px var(--color-gold-glow)}.lecture-card{transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.lecture-card:before{content:"";position:absolute;top:0;right:0;width:4px;height:100%;background:var(--color-primary);transition:height .3s ease}.lecture-card:hover{transform:translateY(-6px) scale(1.02);border-color:#10b98166;box-shadow:0 10px 30px #10b98126}.lecture-card:hover:before{background:var(--color-gold)}.slide-box{background-color:#000;transition:transform .3s ease}.english-term{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;direction:ltr;display:inline-block;font-weight:700}.slide{position:relative;width:100%;height:100%;overflow:hidden;background:radial-gradient(circle at 50% 50%,#022c22,#021f18 40%,#030712);box-shadow:inset 0 0 100px #000c}.slide:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(255,255,255,.012) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.012) 1px,transparent 1px);background-size:40px 40px;background-position:center;z-index:1;pointer-events:none}.bg-image{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:0;filter:brightness(.25) saturate(1.1);transition:transform 10s ease}.slide:hover .bg-image{transform:scale(1.05)}.content-layer{position:relative;z-index:10}.bullet-list{list-style:none;padding:0;margin:0}.bullet-list li{font-size:32px;line-height:1.8;margin-bottom:18px;color:#f1f5f9;display:flex;align-items:flex-start}.bullet-list li:before{content:"✦";margin-left:12px;color:var(--color-gold);font-size:30px;margin-top:2px}.toc-list{list-style:none;padding:0;width:100%;margin:0;column-count:2;column-gap:30px}.toc-list li{border-bottom:1px dashed rgba(255,255,255,.15);padding:10px 0;font-size:28px;font-weight:600;break-inside:avoid;color:#e2e8f0}.toc-list li span:last-child{color:var(--color-primary);font-weight:700;float:left}.step-card{transition:all .3s ease}.step-card:hover{transform:scale(1.05);background:#10b9811a;border-color:var(--color-primary)}.control-btn{transition:all .2s ease}.control-btn:hover{background-color:var(--color-primary);color:#000;transform:scale(1.1)}.text-glow{text-shadow:0 0 10px rgba(16,185,129,.5)}.text-glow-gold{text-shadow:0 0 10px rgba(245,158,11,.5)}kbd{box-shadow:0 2px #00000080}@media print{.no-print{display:none!important}body{background-color:#000!important}.slide{page-break-after:always;width:100%!important;height:100%!important;display:block!important}}