.dark{--dark:#0b0b12;--darker:#060610;--light:#0f101a;--gray-100:#141420;--gray-200:#252736;--gray-500:#94a3b8;--gray-600:#e2e8f0;--gray-700:#f1f5f9;--gray-800:#f8fafc;--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;overflow-x:hidden}.dark body{background:linear-gradient(135deg,#020617 0%,#0b0b12 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(0,0,0,0.3)}.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)}.dark .search-box input{background:rgba(255,255,255,0.05);border-color:rgba(255,255,255,0.1);color:white}.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(0,0,0,0.04);transition:var(--transition)}.dark .btn-icon{background:rgba(255,255,255,0.05);color:white;box-shadow:none}.dark .mobile-menu-btn{color:white}.dark .mobile-nav a{color:rgba(255,255,255,0.8)}.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:rgba(255,255,255,0.95);color:var(--dark);font-size:0.95rem}.dark .mobile-search-box input{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.1);color:white}.hero{position:relative;padding:5rem 0 3rem;text-align:center;overflow:hidden}.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 30%,rgba(67,56,202,0.06) 0%,transparent 45%),radial-gradient(circle at 70% 70%,rgba(126,34,206,0.04) 0%,transparent 55%);z-index:-1;pointer-events:none}.dark .hero::before{background:radial-gradient(circle at 30% 30%,rgba(139,92,246,0.12) 0%,transparent 45%),radial-gradient(circle at 70% 70%,rgba(236,72,153,0.07) 0%,transparent 55%)}.hero-content{position:relative;z-index:2;max-width:800px;margin:0 auto}.hero h1{font-size:3.5rem;font-weight:800;line-height:1.15;margin-bottom:1.25rem;background:linear-gradient(90deg,#4338ca,#7e22ce,#be185d);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-0.02em}.dark .hero h1{background:linear-gradient(90deg,#e0e7ff,#c7d2fe,#a5b4fc,#8b5cf6,#ec4899);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{font-size:1.3rem;font-weight:400;color:var(--gray-700);max-width:700px;margin:0 auto;line-height:1.7}.dark .hero p{color:rgba(255,255,255,0.92)}@media (max-width:768px){.hero h1{font-size:2.5rem}.hero p{font-size:1.1rem;padding:0 0.5rem}.hero{padding:3.5rem 0 2rem}}.tool-workspace{background:white;border-radius:var(--radius);overflow:hidden;transition:var(--transition);box-shadow:var(--shadow);padding:1.5rem;border:1px solid var(--gray-200);margin-bottom:5rem}.dark .tool-workspace{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.05)}.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:rgba(67,56,202,0.05)}.dark .upload-zone:hover,.dark .upload-zone.dragover{background:rgba(139,92,246,0.1)}.upload-icon{font-size:3rem;color:var(--primary);margin-bottom:1rem;transition:var(--transition)}.upload-zone:hover .upload-icon{transform:translateY(-4px) scale(1.1)}.upload-text h3{margin-bottom:0.5rem;color:var(--dark);font-size:1.15rem;font-weight:700}.dark .upload-text h3{color:white}.upload-text p{color:var(--gray-600);font-size:0.9rem;margin-bottom:1.5rem}.dark .upload-text p{color:var(--gray-600)}.btn-upload-trigger{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.75rem 2rem;border:none;border-radius:var(--radius);background:linear-gradient(135deg,var(--primary),var(--secondary));color:white;font-weight:700;font-size:1rem;font-family:'Tajawal',sans-serif;cursor:pointer;box-shadow:0 4px 15px rgba(67,56,202,0.3);transition:var(--transition)}.btn-upload-trigger:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(67,56,202,0.4)}.btn-upload-trigger:active{transform:translateY(0)}.editor-area{display:none;flex-direction:column;gap:1.25rem;animation:fadeSlideIn 0.5s ease}@keyframes fadeSlideIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.view-tabs{display:flex;gap:0.25rem;background:var(--gray-100);border-radius:var(--radius);padding:0.25rem}.dark .view-tabs{background:rgba(255,255,255,0.03)}.view-tab{flex:1;padding:0.6rem 1rem;border:none;border-radius:10px;background:transparent;color:var(--gray-500);font-weight:600;font-size:0.9rem;font-family:'Tajawal',sans-serif;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:0.4rem}.dark .view-tab{color:rgba(255,255,255,0.5)}.view-tab.active{background:white;color:var(--primary);box-shadow:0 2px 8px rgba(0,0,0,0.06)}.dark .view-tab.active{background:rgba(255,255,255,0.08);color:white}.view-tab:hover:not(.active){color:var(--gray-700)}.dark .view-tab:hover:not(.active){color:rgba(255,255,255,0.8)}.preview-wrapper{border-radius:var(--radius);border:1px solid var(--gray-200);min-height:280px;max-height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center;position:relative;background-color:#f8f8f8;background-image:linear-gradient(45deg,#eee 25%,transparent 25%),linear-gradient(-45deg,#eee 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eee 75%),linear-gradient(-45deg,transparent 75%,#eee 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}.dark .preview-wrapper{border-color:rgba(255,255,255,0.05);background-color:#1a1a2e;background-image:linear-gradient(45deg,#2a2a3e 25%,transparent 25%),linear-gradient(-45deg,#2a2a3e 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#2a2a3e 75%),linear-gradient(-45deg,transparent 75%,#2a2a3e 75%)}.preview-img{max-width:100%;max-height:520px;object-fit:contain;display:block}.loading-overlay{position:absolute;inset:0;background:rgba(255,255,255,0.85);display:none;align-items:center;justify-content:center;z-index:10;flex-direction:column;gap:0.75rem}.dark .loading-overlay{background:rgba(0,0,0,0.7)}.loading-text{font-size:0.9rem;color:var(--gray-600);font-weight:500}.dark .loading-text{color:rgba(255,255,255,0.7)}.loader{border:4px solid var(--gray-200);border-top:4px solid var(--primary);border-radius:50%;width:40px;height:40px;animation:spin 0.8s linear infinite}.dark .loader{border-color:rgba(255,255,255,0.1);border-top-color:var(--primary)}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.loading-overlay.success{background:rgba(5,150,105,0.15)}.loading-overlay.success .loader{border-color:var(--success);border-top-color:var(--success)}.loading-overlay.success .loading-text{color:var(--success)}.loading-overlay.error{background:rgba(190,24,93,0.15)}.loading-overlay.error .loader{border-color:var(--accent);border-top-color:var(--accent)}.loading-overlay.error .loading-text{color:var(--accent)}.compare-container{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--gray-200);min-height:280px;max-height:520px;display:flex;align-items:center;justify-content:center;background-color:#f8f8f8;background-image:linear-gradient(45deg,#eee 25%,transparent 25%),linear-gradient(-45deg,#eee 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eee 75%),linear-gradient(-45deg,transparent 75%,#eee 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0;user-select:none;touch-action:none}.dark .compare-container{border-color:rgba(255,255,255,0.05);background-color:#1a1a2e;background-image:linear-gradient(45deg,#2a2a3e 25%,transparent 25%),linear-gradient(-45deg,#2a2a3e 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#2a2a3e 75%),linear-gradient(-45deg,transparent 75%,#2a2a3e 75%)}.compare-img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:contain;pointer-events:none}.compare-clip{position:absolute;top:0;right:0;height:100%;overflow:hidden;width:50%;z-index:2}.compare-clip .compare-img{position:absolute;top:0;right:0;height:100%;object-fit:contain;pointer-events:none}.compare-divider{position:absolute;top:0;height:100%;width:3px;background:white;z-index:5;cursor:ew-resize;transform:translateX(50%);box-shadow:0 0 8px rgba(0,0,0,0.15)}.compare-handle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:38px;height:38px;background:white;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,0.2);color:var(--primary);font-size:0.75rem}.dark .compare-handle{background:var(--dark);box-shadow:0 2px 10px rgba(0,0,0,0.5);color:white}.compare-label{position:absolute;top:1rem;z-index:4;padding:0.35rem 0.85rem;border-radius:8px;font-size:0.8rem;font-weight:700;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.compare-label-before{right:1rem;background:rgba(255,255,255,0.85);color:var(--gray-700)}.compare-label-after{left:1rem;background:rgba(67,56,202,0.9);color:white}.dark .compare-label-before{background:rgba(0,0,0,0.6);color:rgba(255,255,255,0.8)}.controls-bar{background:var(--gray-100);border-radius:var(--radius);padding:1.5rem;display:flex;flex-wrap:wrap;align-items:center;gap:1.5rem;justify-content:space-between}.dark .controls-bar{background:rgba(255,255,255,0.03)}.control-section{flex:1;min-width:220px;display:flex;flex-direction:column;gap:0.5rem}.control-label-row{display:flex;justify-content:space-between;font-weight:700;color:var(--dark);font-size:0.95rem}.dark .control-label-row{color:white}.range-slider{width:100%;-webkit-appearance:none;height:6px;background:var(--gray-300);border-radius:5px;outline:none}.dark .range-slider{background:rgba(255,255,255,0.1)}.range-slider::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--primary);cursor:pointer;transition:var(--transition);box-shadow:0 2px 6px rgba(67,56,202,0.3)}.range-slider::-webkit-slider-thumb:hover{transform:scale(1.15);box-shadow:0 3px 10px rgba(67,56,202,0.4)}.range-slider::-moz-range-thumb{width:22px;height:22px;border-radius:50%;border:none;background:var(--primary);cursor:pointer}.format-select{width:100%;padding:0.6rem 0.75rem;border-radius:8px;border:1px solid var(--gray-300);background:white;color:var(--dark);font-size:0.9rem;font-family:'Tajawal',sans-serif;cursor:pointer;transition:var(--transition)}.dark .format-select{background:var(--gray-200);border-color:rgba(255,255,255,0.15);color:white}.dark .format-select option{background-color:var(--gray-200);color:white}.format-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(67,56,202,0.15)}.stats-section{flex:0 0 auto;text-align:left;padding-left:1rem;border-left:1px solid var(--gray-300);min-width:155px}.dark .stats-section{border-left-color:rgba(255,255,255,0.1);text-align:right;padding-left:0;padding-right:1rem;border-left:none;border-right:1px solid rgba(255,255,255,0.1)}.actions-section{flex:0 0 auto;display:flex;flex-direction:column;gap:0.75rem;min-width:200px}@media (max-width:768px){.controls-bar{flex-direction:column;align-items:stretch}.stats-section{border:none;padding:0;text-align:center;border-top:1px solid var(--gray-300);border-bottom:1px solid var(--gray-300);padding:1rem 0}.dark .stats-section{border-color:rgba(255,255,255,0.1)}}.stat-row{display:flex;justify-content:space-between;margin-bottom:0.25rem;font-size:0.85rem}.stat-label{color:var(--gray-600)}.dark .stat-label{color:var(--gray-600)}.stat-value{font-weight:700;color:var(--dark)}.dark .stat-value{color:var(--gray-800)}.savings-badge{display:block;text-align:center;background:rgba(5,150,105,0.1);color:var(--success);padding:0.3rem 0.5rem;border-radius:6px;font-size:0.85rem;font-weight:700;margin-top:0.5rem;transition:var(--transition);min-height:2rem;line-height:1.5}.savings-badge.negative{color:var(--accent);background:rgba(190,24,93,0.1)}.savings-badge.updating{color:var(--gray-500);background:rgba(107,114,128,0.1)}.btn{width:100%;padding:0.75rem;border:none;border-radius:var(--radius);font-weight:700;cursor:pointer;transition:var(--transition);font-family:inherit;display:flex;align-items:center;justify-content:center;gap:0.5rem}.btn-primary{background:var(--primary);color:white;box-shadow:0 4px 12px rgba(67,56,202,0.3)}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 16px rgba(67,56,202,0.35)}.btn-primary:disabled{background:var(--gray-500);cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{background:transparent;border:1px solid var(--gray-300);color:var(--dark)}.dark .btn-secondary{border-color:rgba(255,255,255,0.1);color:white}.btn-secondary:hover{background:var(--gray-100)}.dark .btn-secondary:hover{background:rgba(255,255,255,0.05)}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}.tool-workspace{padding:1rem;margin-bottom:3rem}.upload-zone{padding:2rem 1rem}.controls-bar{padding:1rem;gap:1rem}}.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:var(--gray-700)}.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:var(--gray-700)}.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:white}.step-text p{color:var(--gray-700);font-size:0.9rem}.dark .step-text p{color:var(--gray-700)}.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:white}.faq-question i{color:var(--primary)}.faq-answer{color:var(--gray-700);font-size:0.95rem;line-height:1.6;padding-right:1.5rem}.dark .faq-answer{color:var(--gray-700)}@media (max-width:768px){.content-grid{grid-template-columns:1fr}.content-section{margin-top:2rem;padding:0 0.75rem}}.related-tools-section{max-width:900px;margin:3rem auto 0;padding:0 1rem;animation:fadeInUp 0.8s ease}.related-tools-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}.related-tools-title{font-size:1.5rem;font-weight:700;color:var(--dark);display:flex;align-items:center;gap:0.75rem}.dark .related-tools-title{color:white}.related-tools-title i{color:var(--primary);font-size:1.3rem}.related-tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}@media (max-width:992px){.related-tools-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.related-tools-grid{grid-template-columns:1fr}.related-tools-title{font-size:1.25rem}}.related-tool-card{display:flex;align-items:center;gap:0.85rem;padding:1rem 1.25rem;background:#ffffff;border:1px solid #e5e7eb;border-radius:var(--radius);box-shadow:var(--shadow);cursor:pointer;text-decoration:none;color:inherit;position:relative;overflow:hidden;transition:var(--transition)}.dark .related-tool-card{background:#1a1a2e;border-color:#2d2d44}.related-tool-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,#4338ca,#7e22ce);opacity:0;transition:var(--transition)}.related-tool-card:hover::before{opacity:0.04}.dark .related-tool-card:hover::before{opacity:0.08}.related-tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#a5b4fc}.dark .related-tool-card:hover{border-color:rgba(139,92,246,0.4)}.related-tool-card:active{transform:translateY(-1px)}.related-tool-icon{width:44px;height:44px;min-width:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;background:linear-gradient(135deg,rgba(67,56,202,0.08),rgba(126,34,206,0.08));color:#4338ca;transition:var(--transition)}.dark .related-tool-icon{background:linear-gradient(135deg,rgba(129,140,248,0.12),rgba(196,132,253,0.12));color:#a5b4fc}.related-tool-card:hover .related-tool-icon{background:linear-gradient(135deg,#4338ca,#7e22ce);color:white;transform:scale(1.05)}.related-tool-info{flex:1;min-width:0}.related-tool-name{font-size:0.9rem;font-weight:700;color:#1e1b4b;margin-bottom:0.15rem;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;transition:var(--transition-fast)}.dark .related-tool-name{color:#e2e8f0}.related-tool-card:hover .related-tool-name{color:#4338ca}.dark .related-tool-card:hover .related-tool-name{color:#a5b4fc}.related-tool-desc{font-size:0.78rem;color:#6b7280;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}.dark .related-tool-desc{color:rgba(255,255,255,0.45)}.related-tool-card:hover .related-tool-desc{color:#4b5563}.dark .related-tool-card:hover .related-tool-desc{color:rgba(255,255,255,0.6)}.related-tool-empty{grid-column:1 / -1;text-align:center;padding:2rem;color:var(--gray-500);font-size:0.95rem}