.dark{--dark:#0b0b12;--darker:#060610;--light:#0f101a;--gray-100:#141420;--gray-200:#252736;--gray-700:#cbd5e1;--gray-800:#f1f5f9;--shadow:0 4px 12px rgba(0,0,0,0.2);--shadow-hover:0 10px 25px rgba(0,0,0,0.4)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Tajawal',sans-serif;background:linear-gradient(135deg,#f3f4f9 0%,#f3f4f9 100%);color:var(--gray-800);transition:var(--transition);top:0px !important;position:static !important;min-height:100vh;display:flex;flex-direction:column;top:0px !important;overflow-x:hidden}.dark body{background:linear-gradient(135deg,#020617 0%,#0a0a1a 50%,#020617 100%);color:var(--gray-200);overflow-x:hidden}@media (max-width:992px){.logo-img{height:45px}}@media (max-width:768px){.logo-img{height:40px}}.dark .nav-link,.dark .mobile-menu-btn,.dark .btn-icon,.dark .search-box i,.dark .mobile-search-box i{text-shadow:0 1px 3px rgba(0,0,0,0.5)}.nav-link{color:var(--gray-800);text-decoration:none;font-weight:500;font-size:0.95rem;transition:var(--transition)}.dark .nav-link{color:#f1f5f9}.dark .nav-link:hover,.dark .nav-link.active{color:white}.search-box input{padding:0.6rem 1rem 0.6rem 2.5rem;width:220px;border-radius:12px;border:1px solid var(--gray-200);background:white;color:var(--dark);font-size:0.9rem;transition:var(--transition)}.search-box input::placeholder{color:var(--gray-600)}.dark .search-box input{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.15);color:#ffffff}.dark .search-box input::placeholder{color:#cbd5e1}.search-box i{position:absolute;left:0.8rem;color:var(--gray-600)}.dark .search-box i{color:#cbd5e1}.btn-icon{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:white;color:var(--gray-700);cursor:pointer;border:none;box-shadow:0 2px 6px rgba(0,0,0,0.08);transition:var(--transition)}.dark .btn-icon{background:rgba(255,255,255,0.1);color:#f1f5f9;box-shadow:none}.dark .mobile-menu-btn{color:#ffffff}.dark .mobile-nav a{color:#f1f5f9}.mobile-search-box input{width:100%;padding:0.75rem 2rem 0.75rem 2.5rem;border-radius:12px;border:1px solid rgba(0,0,0,0.1);background:#ffffff;color:var(--dark);font-size:0.95rem}.dark .mobile-search-box input{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.15);color:#ffffff}.mobile-search-box i{position:absolute;left:0.8rem;top:50%;transform:translateY(-50%);color:var(--gray-600)}.dark .mobile-search-box i{color:#cbd5e1}.dark .mobile-search-box input{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.1);color:white}.dark .mobile-search-box i{color:#cbd5e1}.dark .mobile-search-close{color:#cbd5e1}.mobile-search-close{position:absolute;right:0.8rem;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--gray-600);cursor:pointer;font-size:0.9rem}.dark .mobile-search-close{color:#cbd5e1}.tool-page-container{flex:1;padding-top:2rem;padding-bottom:4rem;display:flex;flex-direction:column;align-items:center}@media (max-width:768px){.tool-page-container{padding-top:1.5rem;padding-bottom:3rem}}.tool-header{text-align:center;margin-bottom:2rem;position:relative}.tool-hero-glow{position:absolute;top:-60px;left:50%;transform:translateX(-50%);width:600px;max-width:90vw;height:250px;background:radial-gradient(ellipse at 50% 0%,rgba(67,56,202,0.08) 0%,transparent 70%);pointer-events:none;z-index:-1}.dark .tool-hero-glow{background:radial-gradient(ellipse at 50% 0%,rgba(139,92,246,0.12) 0%,transparent 70%)}.tool-title{font-size:2.5rem;font-weight:800;margin-bottom:0.5rem;background:linear-gradient(90deg,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2;letter-spacing:-0.02em}@media (max-width:768px){.tool-title{font-size:1.8rem}}.dark .tool-title{background:linear-gradient(90deg,#e0e7ff,#c7d2fe,#a5b4fc,#8b5cf6,#ec4899);-webkit-background-clip:text;background-clip:text;color:transparent}.tool-desc{color:var(--gray-700);font-size:1.1rem;line-height:1.7;max-width:600px;margin:0 auto}.dark .tool-desc{color:#e2e8f0}.dashboard-grid{display:grid;grid-template-columns:350px 1fr;gap:2rem;width:100%;max-width:1100px;margin:0 auto}@media (max-width:900px){.dashboard-grid{grid-template-columns:1fr;gap:1.5rem}}.control-panel{background:white;border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);border:1px solid var(--gray-200);display:flex;flex-direction:column;align-items:center;text-align:center}.dark .control-panel{background:rgba(255,255,255,0.03);border-color:rgba(255,255,255,0.05)}.gauge-container{width:250px;height:250px;position:relative;margin:1rem 0}.gauge-svg{width:100%;height:100%;transform:rotate(-90deg)}.gauge-bg{fill:none;stroke:var(--gray-200);stroke-width:10}.dark .gauge-bg{stroke:rgba(255,255,255,0.1)}.gauge-progress{fill:none;stroke:url(#grad);stroke-width:10;stroke-linecap:round;stroke-dasharray:628;stroke-dashoffset:628;transition:stroke-dashoffset 0.5s ease-out}.gauge-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.live-speed{font-size:3rem;font-weight:800;color:var(--dark);font-variant-numeric:tabular-nums}.dark .live-speed{color:#ffffff}.live-unit{color:var(--gray-600);font-size:0.9rem}.dark .live-unit{color:#cbd5e1}.start-btn{padding:1rem 2.5rem;font-size:1.1rem;font-weight:700;border:none;border-radius:50px;background:linear-gradient(90deg,var(--primary),var(--secondary));color:white;cursor:pointer;box-shadow:0 4px 15px rgba(67,56,202,0.3);transition:var(--transition);font-family:'Tajawal',sans-serif;width:100%;margin-top:1rem}.start-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(67,56,202,0.4)}.start-btn:disabled{opacity:0.6;cursor:wait;transform:none}.start-btn.success{background:linear-gradient(90deg,var(--success),#10b981);box-shadow:0 4px 15px rgba(5,150,105,0.3)}.start-btn.error{background:linear-gradient(90deg,#dc2626,#ef4444);box-shadow:0 4px 15px rgba(220,38,38,0.3)}.start-btn.testing{background:linear-gradient(90deg,#059669,#10b981);cursor:wait}.data-panel{display:flex;flex-direction:column;gap:1.5rem}.info-cards{display:grid;grid-template-columns:1fr 1fr;gap:2rem}@media (max-width:768px){.info-cards{grid-template-columns:1fr}}.info-card{background:white;padding:1.5rem;border-radius:var(--radius);border:1px solid var(--gray-200);box-shadow:var(--shadow);position:relative;overflow:hidden}.dark .info-card{background:rgba(255,255,255,0.03);border-color:rgba(255,255,255,0.05)}.info-card::after{content:'';position:absolute;bottom:0;left:0;height:4px;width:0%;background:var(--primary);transition:width 0.3s}.info-card.active::after{width:100%}.card-label{font-size:1rem;color:var(--gray-700);display:flex;align-items:center;gap:0.5rem;margin-bottom:0.5rem;font-weight:600}.dark .card-label{color:#e2e8f0}.card-value{font-size:2.5rem;font-weight:800;color:var(--dark);line-height:1}.dark .card-value{color:#ffffff}.card-unit{font-size:1.2rem;color:var(--gray-700);font-weight:500}.dark .card-unit{color:#cbd5e1}.chart-box{background:white;padding:1.5rem;border-radius:var(--radius);border:1px solid var(--gray-200);box-shadow:var(--shadow);flex:1;display:flex;flex-direction:column;min-height:250px}.dark .chart-box{background:rgba(255,255,255,0.03);border-color:rgba(255,255,255,0.05)}.isp-info{background:white;padding:1rem;border-radius:var(--radius);border:1px solid var(--gray-200);display:flex;align-items:center;gap:1rem;font-size:0.9rem}.dark .isp-info{background:rgba(255,255,255,0.03);border-color:rgba(255,255,255,0.05)}.isp-icon{font-size:1.5rem;color:var(--primary)}.dark .isp-icon{color:#a5b4fc}.dark #ispName{color:#ffffff}.dark #ipLocation{color:#e2e8f0}.progress-bg{height:4px;background:var(--gray-200);border-radius:2px;margin-top:10px;overflow:hidden}.dark .progress-bg{background:rgba(255,255,255,0.2)}.progress-fill{height:100%;width:0%;background:var(--success);transition:width 0.2s}footer{background:var(--light);border-top:1px solid var(--gray-200);padding:3rem 0 1.5rem;margin-top:4rem}@media (max-width:992px){.footer-grid{grid-template-columns:1fr 1fr;gap:2rem}}@media (max-width:576px){.footer-grid{grid-template-columns:1fr;gap:1.5rem}}@media (max-width:768px){.nav-links,.search-box{display:none}.mobile-menu-btn{display:block}}.content-section{width:100%;max-width:900px;margin:2rem auto 0;padding:0 1rem}@media (min-width:768px){.content-section{margin:3rem auto 0}}.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-bottom:1.5rem}@media (min-width:768px){.content-grid{margin-bottom:2rem}}.content-card{background:white;border-radius:var(--radius);padding:1.5rem;border:1px solid var(--gray-200);box-shadow:var(--shadow)}.dark .content-card{background:rgba(255,255,255,0.03);border-color:rgba(255,255,255,0.05)}.content-card h3{color:var(--primary);font-size:1.1rem;margin-bottom:0.75rem;display:flex;align-items:center;gap:0.5rem}.content-card p{color:var(--gray-700);font-size:0.95rem;line-height:1.6}.dark .content-card p{color:#e2e8f0}.content-card ul{list-style:none;padding:0}.content-card li{color:var(--gray-700);font-size:0.95rem;padding:0.5rem 0;padding-right:1.5rem;position:relative}.dark .content-card li{color:#e2e8f0}.content-card li::before{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;right:0;color:var(--success);font-size:0.75rem;top:0.6rem}@media (min-width:768px){.content-card li::before{font-size:0.85rem;top:0.5rem}}.section-title{font-size:1.5rem;font-weight:700;color:var(--dark);margin-bottom:1.5rem;text-align:center}@media (min-width:768px){.section-title{font-size:1.75rem}}.dark .section-title{color:white}.steps-list{counter-reset:step}.step-item{background:white;border-radius:var(--radius);padding:1.25rem;border:1px solid var(--gray-200);margin-bottom:1rem;display:flex;align-items:center;gap:1rem;box-shadow:var(--shadow)}.dark .step-item{background:rgba(255,255,255,0.03);border-color:rgba(255,255,255,0.05)}.step-number{width:36px;height:36px;border-radius:50%;background:linear-gradient(90deg,var(--primary),var(--secondary));color:white;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.step-text{flex:1}.step-text h4{color:var(--dark);font-size:1rem;margin-bottom:0.25rem}.dark .step-text h4{color:#ffffff}.step-text p{color:var(--gray-700);font-size:0.9rem}.dark .step-text p{color:#e2e8f0}.faq-section{margin-top:2rem}.faq-item{background:white;border-radius:var(--radius);padding:1.25rem;border:1px solid var(--gray-200);margin-bottom:1rem;box-shadow:var(--shadow)}.dark .faq-item{background:rgba(255,255,255,0.03);border-color:rgba(255,255,255,0.05)}.faq-question{color:var(--dark);font-weight:600;font-size:1rem;margin-bottom:0.5rem;display:flex;align-items:center;gap:0.5rem}.dark .faq-question{color:#ffffff}.faq-question i{color:var(--primary)}.dark .faq-question i{color:#a5b4fc}.faq-answer{color:var(--gray-700);font-size:0.95rem;line-height:1.6;padding-right:1.5rem}.dark .faq-answer{color:#e2e8f0}@media (max-width:768px){.content-grid{grid-template-columns:1fr}.content-section{margin-top:2rem;padding:0 0.75rem}}.start-btn.testing{background:linear-gradient(90deg,#059669,#10b981);cursor:wait}.start-btn.error{background:linear-gradient(90deg,#dc2626,#ef4444)}@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.6}}.loading-pulse{animation:pulse 1.5s ease-in-out infinite}