:root{--primary-color:#2563eb;--primary-dark:#1d4ed8;--secondary-color:#10b981;--danger-color:#ef4444;--warning-color:#f59e0b;--info-color:#3b82f6;--success-color:#10b981;--dark-color:#1e293b;--light-gray:#f8fafc;--border-color:#e2e8f0;--text-primary:#0f172a;--text-secondary:#64748b;--gradient-main:linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-secondary:linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--shadow-card:0 10px 25px #0000001a;--shadow-hover:0 20px 40px #00000026;--border-radius:12px;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body.rtl{text-align:right;direction:rtl;font-family:Cairo,Inter,-apple-system,BlinkMacSystemFont,sans-serif}body.rtl .container{direction:rtl}.language-toggle{z-index:1000;box-shadow:var(--shadow-card);border:2px solid var(--border-color);background:#fff;border-radius:25px;padding:4px;display:flex;position:fixed;top:20px;right:20px}body.rtl .language-toggle{left:20px;right:auto}.lang-switcher{align-items:center;gap:6px;padding:0 12px;display:flex}.lang-btn{cursor:pointer;background:#ffffff0d;border:2px solid #0000;border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;padding:6px;transition:all .3s;display:flex;position:relative}.lang-btn img{object-fit:cover;border-radius:3px;width:20px;height:20px;transition:transform .3s}.lang-btn:hover{background:#ffffff1a;transform:translateY(-2px)}.lang-btn:hover img{transform:scale(1.1)}.lang-btn.active{background:#667eea4d}.lang-btn.active img{transform:scale(1.05)}.header{background:var(--gradient-main);color:#fff;text-align:center;padding:60px 0;position:relative;overflow:hidden}.header:before{content:"";opacity:.3;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");position:absolute;inset:0}.header-content{z-index:2;position:relative}.header h1{text-shadow:0 2px 4px #0000001a;margin-bottom:1rem;font-size:3.5rem;font-weight:700}.header .subtitle{opacity:.9;margin-bottom:2rem;font-size:1.3rem;font-weight:300}.version-badge{backdrop-filter:blur(10px);background:#fff3;border:1px solid #ffffff4d;border-radius:50px;padding:8px 16px;font-weight:500;display:inline-block}.container{max-width:1200px;margin:0 auto;padding:0 20px}.toc{border-radius:var(--border-radius);box-shadow:var(--shadow-card);z-index:10;background:#fff;max-width:800px;margin:-50px auto 4rem;padding:2rem;position:relative}.toc h2{color:var(--primary-color);margin-bottom:1.5rem;font-size:1.8rem;font-weight:600}.toc-list{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem;list-style:none;display:grid}.toc-item{transition:var(--transition);cursor:pointer;border:2px solid #0000;border-radius:8px;align-items:center;padding:1rem;display:flex}.toc-item:hover{background:var(--light-gray);border-color:var(--primary-color);transform:translate(5px)}body.rtl .toc-item:hover{transform:translate(-5px)}.toc-item i{color:var(--primary-color);width:24px;margin-right:12px;font-size:1.2rem}body.rtl .toc-item i{margin-left:12px;margin-right:0}.toc-item span{color:var(--text-primary);font-weight:500}.content-section{border-radius:var(--border-radius);box-shadow:var(--shadow-card);background:#fff;margin-bottom:3rem;padding:3rem;position:relative;overflow:hidden}.content-section:before{content:"";background:var(--gradient-main);width:4px;height:100%;position:absolute;top:0;left:0}body.rtl .content-section:before{left:auto;right:0}.section-header{border-bottom:2px solid var(--light-gray);align-items:center;margin-bottom:2rem;padding-bottom:1rem;display:flex}.section-icon{background:var(--gradient-main);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;margin-right:1rem;font-size:1.3rem;display:flex}body.rtl .section-icon{margin-left:1rem;margin-right:0}.section-title{color:var(--text-primary);font-size:2rem;font-weight:600}.features-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin:2rem 0;display:grid}.feature-card{background:var(--light-gray);border-radius:var(--border-radius);transition:var(--transition);border:2px solid #0000;padding:1.5rem;position:relative;overflow:hidden}.feature-card:before{content:"";background:var(--gradient-secondary);height:3px;transition:var(--transition);position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.feature-card:hover:before{transform:scaleX(1)}.feature-card:hover{border-color:var(--primary-color);box-shadow:var(--shadow-hover);transform:translateY(-5px)}.feature-icon{color:var(--primary-color);margin-bottom:1rem;font-size:2rem}.feature-title{color:var(--text-primary);margin-bottom:.5rem;font-size:1.2rem;font-weight:600}.feature-description{color:var(--text-secondary);line-height:1.6}.steps-container{gap:2rem;display:grid}.step-card{background:var(--light-gray);border-radius:var(--border-radius);transition:var(--transition);border:2px solid #0000;display:flex;overflow:hidden}.step-card:hover{border-color:var(--primary-color);box-shadow:var(--shadow-hover);transform:translate(10px)}body.rtl .step-card:hover{transform:translate(-10px)}.step-number{background:var(--gradient-main);color:#fff;justify-content:center;align-items:center;width:80px;font-size:1.5rem;font-weight:700;display:flex}.step-content{flex:1;padding:1.5rem}.step-title{color:var(--text-primary);margin-bottom:.5rem;font-size:1.3rem;font-weight:600}.step-description{color:var(--text-secondary);margin-bottom:1rem}.step-details{list-style:none}.step-details li{padding:.25rem 0 .25rem 1.5rem;position:relative}body.rtl .step-details li{padding-left:0;padding-right:1.5rem}.step-details li:before{content:"✓";color:var(--success-color);font-weight:700;position:absolute;left:0}body.rtl .step-details li:before{left:auto;right:0}.code-block{background:var(--dark-color);color:#e2e8f0;border-radius:var(--border-radius);margin:1rem 0;padding:1.5rem;font-family:Fira Code,monospace;font-size:.9rem;position:relative;overflow-x:auto}.code-block:before{content:"CODE";background:var(--primary-color);color:#fff;border-radius:4px;padding:.25rem .5rem;font-size:.7rem;font-weight:600;position:absolute;top:.5rem;right:.5rem}.alert{border-radius:var(--border-radius);border-left:4px solid;margin:1.5rem 0;padding:1.5rem;position:relative}body.rtl .alert{border-left:none;border-right:4px solid}.alert-info{border-color:var(--info-color);color:#1e40af;background:#eff6ff}.alert-warning{border-color:var(--warning-color);color:#92400e;background:#fffbeb}.alert-success{border-color:var(--success-color);color:#166534;background:#f0fdf4}.alert-danger{border-color:var(--danger-color);color:#991b1b;background:#fef2f2}.alert-icon{margin-right:.5rem;font-weight:700}body.rtl .alert-icon{margin-left:.5rem;margin-right:0}.table-wrapper{border-radius:var(--border-radius);box-shadow:var(--shadow-card);margin:1.5rem 0;overflow-x:auto}table{border-collapse:collapse;background:#fff;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border-color);padding:1rem}body.rtl th,body.rtl td{text-align:right}th{background:var(--light-gray);color:var(--text-primary);font-weight:600}tr:hover{background:#2563eb0d}@media (width<=768px){.header h1{font-size:2.5rem}.header .subtitle{font-size:1.1rem}.language-toggle{top:10px;right:10px}body.rtl .language-toggle{left:10px;right:auto}.container{padding:0 15px}.content-section{padding:2rem 1.5rem}.toc{margin:-30px auto 2rem;padding:1.5rem}.toc-list,.features-grid{grid-template-columns:1fr}.step-card{flex-direction:column}.step-number{width:100%;height:60px}.section-header{text-align:center;flex-direction:column}.section-icon{margin-bottom:1rem;margin-right:0}body.rtl .section-icon{margin-bottom:1rem;margin-left:0}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.6s ease-out fadeInUp}@media print{.language-toggle{display:none}.header{-webkit-print-color-adjust:exact;print-color-adjust:exact;background:var(--primary-color)!important}.content-section{break-inside:avoid;margin-bottom:2rem}}.lang-content{display:none}.lang-content.active{display:block}.float{color:#fff;text-align:center;z-index:100;background-color:#25d366;border-radius:50px;width:40px;height:40px;font-size:26px;position:fixed;bottom:100px;right:10px;box-shadow:2px 2px 3px #999}.my-float{margin-top:8px}html[dir=rtl] body{text-align:right;direction:rtl;font-family:Cairo,Inter,-apple-system,BlinkMacSystemFont,sans-serif}html[dir=rtl] .container{direction:rtl}html[dir=rtl] .language-toggle{left:20px;right:auto}html[dir=rtl] .toc-item:hover{transform:translate(-5px)}html[dir=rtl] .toc-item i{margin-left:12px;margin-right:0}html[dir=rtl] .content-section:before{left:auto;right:0}html[dir=rtl] .section-icon{margin-left:1rem;margin-right:0}html[dir=rtl] .step-card:hover{transform:translate(-10px)}html[dir=rtl] .step-details li{padding-left:0;padding-right:1.5rem}html[dir=rtl] .step-details li:before{left:auto;right:0}html[dir=rtl] .alert{border-left:none;border-right:4px solid}html[dir=rtl] .alert-icon{margin-left:.5rem;margin-right:0}html[dir=rtl] th,html[dir=rtl] td{text-align:right}@media (width<=768px){html[dir=rtl] .language-toggle{left:10px;right:auto}html[dir=rtl] .section-icon{margin-bottom:1rem;margin-left:0}}ul,ol{padding-inline:2rem 0}html[dir=rtl] ul,html[dir=rtl] ol{padding-inline-start:1rem;list-style-position:inside}html[dir=rtl] .alert ul,html[dir=rtl] .alert ol{margin-inline-start:1rem;padding-inline-start:0}body.rtl ul,body.rtl ol{padding-inline-start:1rem;list-style-position:inside}body.rtl .alert ul,body.rtl .alert ol{margin-inline-start:1rem;padding-inline-start:0}.float-start{color:#fff;text-align:center;z-index:100;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:50px;justify-content:center;align-items:center;gap:8px;min-width:50px;height:50px;padding:0 15px;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;bottom:150px;right:10px;overflow:hidden;box-shadow:0 4px 15px #667eea66}.float-start:hover{background:linear-gradient(135deg,#764ba2 0%,#667eea 100%);min-width:140px;transform:translateY(-3px);box-shadow:0 6px 20px #667eea99}.start-label{white-space:nowrap;opacity:0;max-width:0;font-size:14px;font-weight:600;transition:all .3s;overflow:hidden}.float-start:hover .start-label{opacity:1;max-width:100px;margin-right:5px}.float-start img{object-fit:contain;width:30px;height:30px;transition:transform .3s}.float-start:hover img{transform:scale(1.1)}body.rtl .float-start{flex-direction:row-reverse;right:auto}body.rtl .float-start:hover .start-label{margin-left:5px;margin-right:0}.start-icon{font-size:20px;animation:2s infinite pulse}.label-en{display:none}body:not(.rtl) .label-en{display:inline}body:not(.rtl) .label-ar{display:none}body.rtl .label-ar{display:inline}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@media (width<=768px){.float-start{min-width:60px;height:60px;padding:10px;bottom:160px}.float-start img{object-fit:contain;width:40px;height:40px}.float-start:hover{min-width:150px}.float{bottom:80px}}