@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap";:root{--primary:#0f172a;--primary-hover:#1e293b;--primary-light:#f1f5f9;--accent:#06b6d4;--accent-hover:#0891b2;--accent-light:#ecfeff;--gold:#d97706;--light-gold:#f59e0b;--gold-light:#fef3c7;--surface:#f8fafc;--surface-card:#fff;--border:#e2e8f0;--border-light:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--info:#3b82f6;--radius-sm:8px;--radius:16px;--radius-lg:24px;--radius-xl:32px;--radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--shadow-accent:0 10px 25px -5px #06b6d466;--transition:all .25s cubic-bezier(.4, 0, .2, 1);--transition-slow:all .4s cubic-bezier(.4, 0, .2, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{color:var(--text-primary);background:var(--surface);font-family:Inter,system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.6;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;transition:var(--transition);text-decoration:none}h1,h2,h3,h4,h5,h6{color:var(--text-primary);letter-spacing:-.02em;font-weight:800;line-height:1.2}h1{font-size:clamp(2.5rem,5vw,4rem)}h2{font-size:clamp(2rem,4vw,3rem)}h3{letter-spacing:-.01em;font-size:clamp(1.25rem,2.5vw,1.75rem)}h4{font-size:1.25rem}.text-gradient{background:linear-gradient(135deg, var(--accent) 0%, #3b82f6 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.text-gradient-gold{background:linear-gradient(135deg, var(--gold) 0%, var(--light-gold) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.container{max-width:1280px;margin:0 auto;padding:0 1.5rem}.section{padding:6rem 0}.section-sm{padding:3rem 0}.glass{-webkit-backdrop-filter:blur(16px);background:#ffffffb3;border:1px solid #fff6}.glass-dark{-webkit-backdrop-filter:blur(16px);background:#0f172ab3;border:1px solid #ffffff1a}.btn{border-radius:var(--radius-full);cursor:pointer;transition:var(--transition);white-space:nowrap;border:2px solid #0000;justify-content:center;align-items:center;gap:.5rem;padding:.875rem 1.75rem;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow)}.btn-primary:hover{background:var(--primary-hover);box-shadow:var(--shadow-lg)}.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-accent)}.btn-accent:hover{background:var(--accent-hover);box-shadow:0 15px 30px -5px #06b6d480}.btn-outline{border-color:var(--border);color:var(--text-primary);background:#fff}.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.btn-outline-white{color:#fff;background:0 0;border-color:#ffffff4d}.btn-outline-white:hover{background:#ffffff1a;border-color:#fff}.btn-lg{padding:1.125rem 2.5rem;font-size:1.125rem}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.card{background:var(--surface-card);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--transition-slow);overflow:hidden}.card:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}.card-body{padding:2rem}.card-header{border-bottom:1px solid var(--border);background:var(--surface);padding:1.5rem 2rem}.navbar{z-index:100;-webkit-backdrop-filter:blur(20px);transition:var(--transition);background:#ffffffd9;border-bottom:1px solid #e2e8f099;padding:1rem 0;position:sticky;top:0}.navbar-inner{justify-content:space-between;align-items:center;gap:2rem;display:flex}.navbar-logo{color:var(--primary);letter-spacing:-.05em;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:900;display:flex}.navbar-logo span{color:var(--accent)}.navbar-nav{align-items:center;gap:.5rem;list-style:none;display:flex}.navbar-nav a{border-radius:var(--radius-full);color:var(--text-secondary);padding:.6rem 1.25rem;font-size:.95rem;font-weight:600}.navbar-nav a:hover,.navbar-nav a.active{color:var(--primary);background:var(--primary-light)}.navbar-actions{align-items:center;gap:1rem;display:flex}.hero{background:var(--primary);color:#fff;padding:8rem 0 6rem;position:relative;overflow:hidden}.hero:before{content:"";filter:blur(60px);z-index:0;background:radial-gradient(circle,#06b6d433 0%,#0000 70%);width:50%;height:70%;position:absolute;top:-20%;left:-10%}.hero:after{content:"";filter:blur(60px);z-index:0;background:radial-gradient(circle,#3b82f633 0%,#0000 70%);width:50%;height:70%;position:absolute;bottom:-20%;right:-10%}.hero-content{z-index:1;text-align:center;max-width:900px;margin:0 auto;position:relative}.hero-badge{color:#fff;border-radius:var(--radius-full);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;align-items:center;gap:.5rem;margin-bottom:2rem;padding:.5rem 1.25rem;font-size:.875rem;font-weight:600;display:inline-flex}.hero h1{color:#fff;margin-bottom:1.5rem;line-height:1.1}.hero p{color:#ffffffb3;max-width:700px;margin:0 auto 3rem;font-size:1.25rem;font-weight:400}.hero-actions{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}.section-label{background:var(--accent-light);color:var(--accent-hover);border-radius:var(--radius-full);letter-spacing:.05em;text-transform:uppercase;margin-bottom:1.5rem;padding:.4rem 1rem;font-size:.875rem;font-weight:700;display:inline-block}.section-header{text-align:center;max-width:700px;margin-bottom:4rem;margin-left:auto;margin-right:auto}.section-title{margin-bottom:1.25rem}.section-desc{color:var(--text-secondary);font-size:1.125rem}.test-card{background:var(--surface-card);border-radius:var(--radius-lg);border:1px solid var(--border);transition:var(--transition-slow);flex-direction:column;display:flex;overflow:hidden}.test-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-8px)}.test-card-cover{background:var(--primary-light);justify-content:center;align-items:center;height:200px;display:flex;position:relative;overflow:hidden}.test-card-cover:after{content:"";background:linear-gradient(#0000,#0000000d);position:absolute;inset:0}.test-card-icon{z-index:1;filter:drop-shadow(0 4px 6px #0000001a);font-size:4rem}.test-card-body{flex-direction:column;flex:1;padding:2rem;display:flex}.test-card-tag{background:var(--primary-light);color:var(--primary);border-radius:var(--radius-full);align-self:flex-start;margin-bottom:1rem;padding:.3rem .8rem;font-size:.75rem;font-weight:700;display:inline-block}.test-card h3{margin-bottom:.75rem;font-size:1.25rem}.test-card p{color:var(--text-secondary);flex:1;margin-bottom:1.5rem;font-size:.95rem}.test-card-meta{color:var(--text-muted);gap:1rem;margin-bottom:1.5rem;font-size:.875rem;font-weight:500;display:flex}.test-card-footer{border-top:1px solid var(--border-light);justify-content:space-between;align-items:center;padding-top:1.5rem;display:flex}.price{color:var(--primary);font-size:1.25rem;font-weight:800}.badge{border-radius:var(--radius-full);align-items:center;gap:.35rem;padding:.35rem 1rem;font-size:.8rem;font-weight:700;display:inline-flex}.badge-success{color:#166534;background:#dcfce7}.badge-warning{color:#92400e;background:#fef3c7}.badge-danger{color:#991b1b;background:#fee2e2}.badge-info{color:#1e40af;background:#dbeafe}.badge-primary{background:var(--primary-light);color:var(--primary)}.form-group{margin-bottom:1.5rem}.form-label{color:var(--primary);margin-bottom:.5rem;font-size:.95rem;font-weight:600;display:block}.form-control{border:2px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text-primary);background:var(--surface);transition:var(--transition);outline:none;padding:.875rem 1.25rem;font-family:inherit;font-size:1rem}.form-control:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px #06b6d426}.dashboard-layout{background:#f8fafc;min-height:100vh;display:flex}.sidebar{background:#fff;border-right:1px solid #e2e8f0;flex-direction:column;flex-shrink:0;width:280px;height:100vh;padding:1.5rem 0;display:flex;position:sticky;top:0;overflow-y:hidden}.sidebar-logo{flex-shrink:0;padding:0 1.5rem 2rem}.sidebar-logo a{color:var(--primary);letter-spacing:-.05em;font-size:1.5rem;font-weight:900;text-decoration:none}.sidebar-logo span{color:var(--accent)}.sidebar-nav{flex:1;margin:0;padding:0 1rem;list-style:none;overflow-y:auto}.sidebar-nav li a{color:#475569;border-radius:8px;align-items:center;gap:.75rem;margin-bottom:.25rem;padding:.75rem 1rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .2s;display:flex}.sidebar-nav li a:hover{color:#0f172a;background:#f1f5f9}.sidebar-nav li a.active{color:#4f46e5;background:#eef2ff}.sidebar-nav li a.active svg{color:#4f46e5}.sidebar-nav li a svg{color:#94a3b8;width:20px;height:20px;transition:color .2s}.sidebar-section-label{text-transform:uppercase;letter-spacing:.05em;color:#94a3b8;padding:1.5rem 1rem .5rem;font-size:.75rem;font-weight:700}.main-content{flex-direction:column;flex:1;min-width:0;display:flex;overflow-x:hidden}.main-topbar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:10;background:#f8fafccc;border-bottom:1px solid #0000;justify-content:space-between;align-items:center;padding:1.5rem 2.5rem;display:flex;position:sticky;top:0}.page-content{flex:1;padding:2rem 2.5rem 3rem}.stat-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;align-items:center;gap:1.25rem;padding:1.5rem;transition:transform .2s,box-shadow .2s;display:flex;box-shadow:0 1px 3px #0000000d}.stat-card:hover{border-color:#cbd5e1;transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000000d}.stat-icon{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.5rem;display:flex}.stat-icon-primary{color:#4f46e5;background:#eef2ff}.stat-icon-accent{color:#06b6d4;background:#ecfeff}.stat-icon-success{color:#059669;background:#ecfdf5}.stat-icon-warning{color:#d97706;background:#fffbeb}.stat-icon-gold{color:#b45309;background:#fef3c7}.stat-value{color:#0f172a;margin-bottom:.2rem;font-size:1.75rem;font-weight:800;line-height:1.2}.stat-label{color:#64748b;text-transform:uppercase;letter-spacing:.025em;font-size:.85rem;font-weight:600}.grid-2{grid-template-columns:repeat(2,1fr);gap:2rem;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:2rem;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:1.5rem;display:grid}.grid-auto{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2rem;display:grid}.blog-card{flex-direction:column;text-decoration:none;display:flex}.blog-card-img{overflow:hidden}.blog-card-img img{transition:transform .5s}.blog-card:hover .blog-card-img img{transform:scale(1.05)}.faq-container{flex-direction:column;gap:1rem;display:flex}.faq-item{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-card);overflow:hidden}.faq-question{color:var(--primary);cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;font-weight:700;transition:background .2s;display:flex}.faq-question:hover{background:var(--surface)}.faq-icon{color:var(--accent);font-size:1.5rem;font-weight:400;transition:transform .3s}.faq-answer{max-height:0;color:var(--text-secondary);background:#fff;transition:max-height .3s,padding .3s;overflow:hidden}.faq-item.active .faq-question{border-bottom:1px solid var(--border-light)}.faq-item.active .faq-icon{transform:rotate(45deg)}.faq-item.active .faq-answer{max-height:500px;padding:1.25rem 1.5rem}@media (width<=1024px){.step-arrow{display:none}}.category-pills{flex-wrap:wrap;gap:.75rem;margin-bottom:3rem;display:flex}.category-pills a{border-radius:var(--radius-full);border:1px solid var(--border);color:var(--text-secondary);transition:var(--transition);background:#fff;padding:.5rem 1.25rem;font-size:.9rem;font-weight:600}.category-pills a:hover,.category-pills a.active{background:var(--primary);color:#fff;border-color:var(--primary)}.featured-card{background:var(--surface-card);border-radius:var(--radius-lg);border:1px solid var(--border);transition:var(--transition-slow);color:inherit;grid-template-columns:1fr 1fr;margin-bottom:2.5rem;text-decoration:none;display:grid;overflow:hidden}.featured-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}.featured-card-img{background:linear-gradient(135deg, var(--primary), var(--accent));justify-content:center;align-items:center;min-height:300px;font-size:6rem;display:flex}.featured-card-body{flex-direction:column;justify-content:center;padding:3rem;display:flex}.list-card{background:var(--surface-card);border-radius:var(--radius-lg);border:1px solid var(--border);transition:var(--transition);color:inherit;align-items:center;gap:1.5rem;margin-bottom:1rem;padding:1.5rem;text-decoration:none;display:flex}.list-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-light);transform:translateY(-2px)}.list-card-icon{border-radius:var(--radius);background:var(--surface);flex-shrink:0;justify-content:center;align-items:center;width:80px;height:80px;font-size:2.5rem;display:flex}.list-card-content{flex:1}.list-card h3{margin-bottom:.25rem;font-size:1.25rem;transition:color .2s}.list-card:hover h3{color:var(--accent)}.list-card-desc{color:var(--text-secondary);margin-bottom:.5rem;font-size:.95rem;line-height:1.4}.list-card-meta{color:var(--text-muted);gap:1rem;font-size:.85rem;font-weight:500;display:flex}.list-card-action{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:.5rem;display:flex}.auth-layout{background:var(--surface);min-height:100vh;display:flex}.auth-banner{background:linear-gradient(135deg, var(--primary), var(--accent));color:#fff;flex-direction:column;flex:1;justify-content:center;padding:4rem;display:flex;position:relative;overflow:hidden}.auth-banner:after{content:"";background:url("data:image/svg+xml;utf8,<svg width=\"40\" height=\"40\" viewBox=\"0 0 40 40\" xmlns=\"http://www.w3.org/2000/svg\"><circle cx=\"20\" cy=\"20\" r=\"1\" fill=\"rgba(255,255,255,0.1)\"/></svg>") 0 0/40px 40px;position:absolute;inset:0}.auth-banner h1{z-index:2;color:#fff;text-shadow:0 2px 20px #00000040;margin-bottom:1rem;font-size:clamp(2rem,4vw,3.5rem);line-height:1.1;position:relative}.auth-banner p{color:#ffffffb8;z-index:2;letter-spacing:.01em;max-width:500px;font-size:1.1rem;line-height:1.7;position:relative}.auth-content{z-index:10;background:#fff;flex-direction:column;flex:1;justify-content:center;width:100%;max-width:600px;padding:4rem;display:flex;box-shadow:-20px 0 50px #0000000d}.auth-logo{color:var(--primary);letter-spacing:-1px;margin-bottom:3rem;font-size:2rem;font-weight:900;text-decoration:none;display:inline-block}.auth-form-header{margin-bottom:2.5rem}.auth-form-header h2{margin-bottom:.5rem;font-size:2rem}.auth-form-header p{color:var(--text-secondary)}.footer{background:var(--primary);color:#fff;padding:5rem 0 2rem}.footer h4{color:#fff;margin-bottom:1.5rem;font-size:1.125rem}.footer a{color:#ffffffb3;transition:var(--transition);margin-bottom:.75rem;display:block}.footer a:hover{color:var(--accent);transform:translate(4px)}.footer p{color:#ffffffb3}.footer-bottom{color:#ffffff80;border-top:1px solid #ffffff1a;justify-content:space-between;align-items:center;margin-top:4rem;padding-top:2rem;font-size:.875rem;display:flex}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-up{animation:.6s cubic-bezier(.16,1,.3,1) forwards fadeInUp}.animate-on-scroll{opacity:0;transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1);transform:translateY(30px)}.animate-on-scroll.is-visible{opacity:1;transform:translateY(0)}.delay-100{transition-delay:.1s}.delay-200{transition-delay:.2s}.delay-300{transition-delay:.3s}.delay-400{transition-delay:.4s}.table-responsive{-webkit-overflow-scrolling:touch;width:100%;overflow-x:auto}.table-responsive table{min-width:700px}.sidebar-toggle{cursor:pointer;color:var(--text-primary);border-radius:var(--radius-sm);transition:var(--transition);background:0 0;border:none;padding:.5rem;font-size:1.5rem;line-height:1;display:none}.sidebar-toggle:hover{background:var(--surface)}.sidebar-overlay{z-index:49;opacity:0;background:#0f172a80;transition:opacity .3s;display:none;position:fixed;inset:0}.sidebar-overlay.active{opacity:1;display:block}.navbar-toggle{cursor:pointer;color:var(--text-primary);border-radius:var(--radius-sm);background:0 0;border:none;padding:.5rem;font-size:1.5rem;line-height:1;display:none}.navbar-mobile-menu{border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);z-index:99;background:#fff;padding:1rem;display:none;position:absolute;top:100%;left:0;right:0}.navbar-mobile-menu.active{display:block}.navbar-mobile-menu a{color:var(--text-secondary);border-radius:var(--radius-sm);padding:.75rem 1rem;font-size:.95rem;font-weight:600;text-decoration:none;display:block}.navbar-mobile-menu a:hover,.navbar-mobile-menu a.active{color:var(--primary);background:var(--primary-light)}.navbar-mobile-menu a.btn,.navbar-mobile-menu a.btn:hover{color:#fff}.navbar-mobile-menu a.btn-outline{color:var(--text-primary)}.navbar-mobile-menu a.btn-outline:hover{color:var(--primary)}.navbar-mobile-menu .mobile-nav-actions{border-top:1px solid var(--border-light);gap:.75rem;margin-top:.5rem;padding:.75rem 1rem 0;display:flex}.filter-bar{border-bottom:1px solid var(--border);background:var(--surface);flex-wrap:wrap;align-items:center;gap:.75rem;padding:1rem 1.25rem;display:flex}.filter-bar .form-control{min-width:0;padding:.5rem .75rem;font-size:.85rem}.filter-bar .filter-group{flex-wrap:wrap;flex:1;align-items:center;gap:.5rem;min-width:200px;display:flex}.filter-bar .filter-actions{align-items:center;gap:.5rem;display:flex}.filter-bar select.form-control{max-width:180px}@media (width<=1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.step-arrow{display:none}.page-content{padding:1.5rem}.main-topbar{padding:1rem 1.5rem}.auth-banner{display:none}.auth-content{max-width:100%;box-shadow:none;padding:2rem}}@media (width<=768px){.grid-2,.grid-3{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.test-detail-grid{grid-template-columns:1fr!important}.test-detail-grid>div:last-child{position:static!important}.hero{padding:5rem 0 3rem}.hero p{font-size:1rem}.hero-actions{flex-direction:column;align-items:center}.hero-actions .btn{width:100%;max-width:320px}.navbar-toggle{justify-content:center;align-items:center;display:flex}.navbar-nav,.navbar-actions{display:none!important}.sidebar-toggle{justify-content:center;align-items:center;display:flex}.sidebar{z-index:50;width:280px;height:100vh;box-shadow:none;transition:left .3s cubic-bezier(.4,0,.2,1);position:fixed;top:0;left:-300px}.sidebar.open{box-shadow:var(--shadow-xl);left:0}.main-content{width:100%;margin-left:0}.page-content{padding:1rem}.main-topbar{padding:.75rem 1rem}.main-content>footer{padding:1rem!important}.main-content>footer>div{text-align:center;flex-direction:column;gap:.5rem!important}.stat-card{gap:1rem;padding:1rem}.stat-icon{width:40px;height:40px;font-size:1.2rem}.stat-value{font-size:1.35rem}.stat-label{font-size:.75rem}.section{padding:3rem 0}.section-sm{padding:2rem 0}.section-header{margin-bottom:2.5rem}.card-body{padding:1.25rem}.card-header{padding:1rem 1.25rem}.featured-card{grid-template-columns:1fr}.featured-card-img{min-height:180px;font-size:4rem}.featured-card-body{padding:1.5rem}.list-card{flex-direction:column;align-items:flex-start;gap:1rem;padding:1.25rem}.list-card-icon{width:56px;height:56px;font-size:1.75rem}.list-card-action{flex-direction:row;justify-content:space-between;align-items:flex-start;width:100%;margin-top:.5rem}.test-card-cover{height:160px}.test-card-body{padding:1.25rem}.test-card-icon{font-size:3rem}.footer{padding:3rem 0 1.5rem}.footer-bottom{text-align:center;flex-direction:column;gap:.5rem}.category-pills{gap:.5rem;margin-bottom:2rem}.category-pills a{padding:.4rem 1rem;font-size:.8rem}.btn{padding:.75rem 1.25rem;font-size:.9rem}.btn-lg{padding:.875rem 1.75rem;font-size:1rem}.form-control{padding:.75rem 1rem;font-size:.9rem}.faq-question{padding:1rem;font-size:.9rem}.faq-item.active .faq-answer{padding:1rem}.container{padding:0 1rem}.interp-grid,.interp-grid form[style*=grid-template-columns]{grid-template-columns:1fr!important}}@media (width<=480px){h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.15rem}h4{font-size:1rem}.hero{padding:4rem 0 2.5rem}.hero-badge{padding:.4rem 1rem;font-size:.75rem}.stat-card{text-align:left;flex-direction:column;align-items:flex-start}.btn-sm{padding:.4rem .75rem;font-size:.8rem}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--surface);border-radius:99px}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:99px;transition:background .2s}::-webkit-scrollbar-thumb:hover{background:var(--primary)}::-webkit-scrollbar-corner{background:0 0}.sidebar::-webkit-scrollbar-track{background:#fff}.sidebar::-webkit-scrollbar-thumb{background:#e2e8f0}.sidebar::-webkit-scrollbar-thumb:hover{background:var(--accent)}*{scrollbar-width:thin;scrollbar-color:#cbd5e1 var(--surface)}.sidebar{scrollbar-color:#e2e8f0 #fff}.scroll-to-top{background:var(--primary);color:#fff;width:48px;height:48px;box-shadow:var(--shadow-lg);cursor:pointer;opacity:0;visibility:hidden;transition:var(--transition);z-index:99;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex;position:fixed;bottom:2rem;right:2rem;transform:translateY(20px)}.scroll-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.scroll-to-top:hover{background:var(--accent);box-shadow:var(--shadow-accent);transform:translateY(-3px)}@media (width<=768px){.scroll-to-top{width:44px;height:44px;bottom:1.25rem;right:1.25rem}}.floating-wa{color:#fff;width:56px;height:56px;box-shadow:var(--shadow-lg);z-index:100;transition:var(--transition);background-color:#25d366;border-radius:50%;justify-content:center;align-items:center;font-size:2rem;text-decoration:none;display:flex;position:fixed;bottom:2rem;left:2rem}.floating-wa:hover{color:#fff;transform:translateY(-4px)scale(1.05);box-shadow:0 15px 25px -5px #25d36666}@media (width<=768px){.floating-wa{width:50px;height:50px;bottom:1.25rem;left:1.25rem}}