:root{--bg-primary:#000000;--bg-card:#0a0a0a;--bg-header:#0a0a0a;--border-color:#1a1a1a;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--color-primary:#3b82f6;--color-primary-hover:#60a5fa;--color-primary-light:rgba(59, 130, 246, 0.15);--color-success:#22c55e;--color-success-light:rgba(34, 197, 94, 0.15);--color-success-hover:#4ade80;--color-danger:#ef4444;--color-danger-light:rgba(239, 68, 68, 0.15);--color-danger-hover:#f87171;--color-warning:#f59e0b;--color-warning-light:rgba(245, 158, 11, 0.15);--color-warning-hover:#fbbf24;--color-info:#06b6d4;--color-info-light:rgba(6, 182, 212, 0.15);--color-info-hover:#22d3ee;--color-gold:#f59e0b;--color-gold-light:rgba(245, 158, 11, 0.15);--shadow-sm:0 1px 3px 0 rgba(0, 0, 0, 0.5), 0 1px 2px -1px rgba(0, 0, 0, 0.5);--shadow-md:0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.5);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);--font-family:'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:'JetBrains Mono', "Courier New", Courier, monospace;--border-radius-sm:6px;--border-radius-md:12px;--border-radius-lg:16px;--transition-fast:0.2s cubic-bezier(0.4, 0, 0.2, 1);--transition-normal:0.3s cubic-bezier(0.4, 0, 0.2, 1);--primary-color:#0ea5e9;--primary-dark:#0284c7;--primary-light:#38bdf8;--secondary-color:#10b981;--secondary-dark:#059669;--secondary-light:#34d399;--accent-color:#f59e0b;--accent-gold:#fbbf24;--primary-green:#2d6a4f;--success-color:#22c55e;--success-bg:#f0fdf4;--success-light:#4ade80;--success-muted:#86efac;--danger-color:#ef4444;--danger-bg:#fef2f2;--danger-light:#f87171;--danger-muted:#fca5a5;--warning-color:#f59e0b;--warning-bg:#fffbeb;--warning-light:#fbbf24;--info-color:#0ea5e9;--info-bg:rgba(14, 165, 233, 0.1);--background-color:#080808;--nav-foot-bg-color:#111;--card-bg:rgba(255, 255, 255, 0.03);--card-bg-hover:rgba(255, 255, 255, 0.05);--bg-light:#f8fafc;--bg-white:#fff;--text-color:#e2eaf1;--text-muted:#e2e8f0;--text-light:#64748b;--text-dim:#718096;--text-dark:#1e293b;--text-medium:#475569;--nav-foot-text-color:#e2eaf1;--white:#fff;--border-color:rgba(255, 255, 255, 0.1);--card-border:rgba(255, 255, 255, 0.08);--border-light:rgba(255, 255, 255, 0.05);--box-shadow-color:rgba(243, 139, 3, 0.8);--gradient-primary:linear-gradient(135deg, #0ea5e9 0%, #10b981 100%);--gradient-primary-soft:linear-gradient(
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ease;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:auto;scroll-padding-top:88px;-webkit-text-size-adjust:100%;font-size:16px}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column;transition:background-color var(--transition-normal),color var(--transition-normal);padding-top:72px}h1,h2,h3,h4,h5,h6{font-weight:600;letter-spacing:-.025em;color:var(--text-primary)}.dashboard-container{max-width:1400px;width:100%;margin:0 auto;padding:24px;flex:1;display:grid;grid-template-columns:repeat(12,1fr);gap:24px}.grid-span-12{grid-column:span 12}.grid-span-8{grid-column:span 8}.grid-span-4{grid-column:span 4}@media (max-width:1024px){.grid-span-8,.grid-span-4{grid-column:span 12}}.card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);overflow:hidden;transition:transform var(--transition-fast),box-shadow var(--transition-fast),border-color var(--transition-fast)}.card:hover{box-shadow:var(--shadow-lg)}.card-header{padding:20px 24px;border-bottom:1px solid var(--border-color);background-color:var(--bg-card)}.card-title{font-size:1.15rem;display:flex;align-items:center;gap:8px}.card-title i{width:20px;height:20px;stroke-width:2px}.card-subtitle{font-size:.85rem;color:var(--text-muted);margin-top:4px}.card-body{padding:24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-family);font-size:.9rem;font-weight:500;padding:10px 18px;border-radius:var(--border-radius-md);border:1px solid #fff0;cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast),transform var(--transition-fast);user-select:none;outline:none}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover)}.btn-secondary{background-color:var(--bg-primary);border-color:var(--border-color);color:var(--text-secondary)}.btn-secondary:hover{background-color:var(--border-color);color:var(--text-primary)}.btn-outline{background-color:#fff0;border-color:var(--border-color);color:var(--text-secondary)}.btn-outline:hover{background-color:var(--bg-primary);border-color:var(--text-muted);color:var(--text-primary)}.btn-icon{padding:10px;border-radius:50%}.btn-icon i{width:18px;height:18px}.btn-small{padding:6px 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var(--transition-fast)}.btn-text:hover{background-color:var(--color-primary-light);color:var(--color-primary-hover)}.text-success{color:var(--color-success)!important}.text-danger{color:var(--color-danger)!important}.text-warning{color:var(--color-warning)!important}.text-primary{color:var(--color-primary)!important}.text-gold{color:var(--color-gold)!important}.text-muted{color:var(--text-muted)!important}.text-center{text-align:center!important}.text-small{font-size:0.8rem!important}.bg-blue{background-color:var(--color-primary-light);color:var(--color-primary)}.bg-green{background-color:var(--color-success-light);color:var(--color-success)}.bg-red{background-color:var(--color-danger-light);color:var(--color-danger)}.bg-purple{background-color:rgb(147 51 234 / .1);color:#9333ea}.bg-gold{background-color:var(--color-gold-light);color:var(--color-gold)}.bg-orange{background-color:var(--color-warning-light);color:var(--color-warning)}.bg-indigo{background-color:rgb(99 102 241 / .1);color:#6366f1}.bg-teal{background-color:rgb(20 184 166 / .1);color:#14b8a6}.bg-cyan{background-color:var(--color-info-light);color:var(--color-info)}.overflow-x{overflow-x:auto}.relative{position:relative}.app-header{background-color:var(--bg-header);border-bottom:1px solid var(--border-color);padding:16px 32px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;backdrop-filter:blur(8px);transition:background-color var(--transition-normal),border-color var(--transition-normal)}.header-logo{display:flex;align-items:center;gap:12px}.logo-icon-bg{width:44px;height:44px;border-radius:var(--border-radius-md);background:linear-gradient(135deg,var(--color-primary),var(--color-info));display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 10px rgb(37 99 235 / .2)}.logo-icon{width:24px;height:24px;color:#ffffff!important}.logo-text h1{font-size:1.3rem;font-weight:700;line-height:1.1;display:flex;align-items:center;gap:6px}.logo-badge{font-size:.75rem;font-weight:500;background-color:var(--color-primary-light);color:var(--color-primary);padding:2px 8px;border-radius:20px;border:1px solid rgb(37 99 235 / .2)}.logo-text p{font-size:.8rem;color:var(--text-muted);margin-top:2px}.header-controls{display:flex;align-items:center;gap:12px}.upload-section{display:grid;grid-template-columns:2fr 1fr;gap:24px}@media (max-width:868px){.upload-section{grid-template-columns:1fr}}.upload-card{display:flex;flex-direction:column;justify-content:center}.upload-dropzone{position:relative;border:2px dashed var(--border-color);border-radius:var(--border-radius-lg);padding:32px;margin:16px;background-color:var(--bg-primary);text-align:center;cursor:pointer;transition:border-color var(--transition-fast),background-color 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print{body{background-color:#ffffff!important;color:#000000!important;font-size:10pt}.app-header,.upload-section,.header-controls,.download-chart-btn,.column-toggle-panel,.toggle-action-bar,.table-footer,.export-actions,.toast-container,footer.app-footer,.filter-dashboard-grid{display:none!important}.dashboard-container{padding:0!important;margin:0!important;gap:0!important;display:block!important}.card{border:none!important;box-shadow:none!important;margin-bottom:24px;page-break-inside:avoid}.card-header{border-bottom:1px solid #000000!important;padding:10px 0!important}.card-body{padding:10px 0!important}.summary-grid{display:grid!important;grid-template-columns:repeat(3,1fr)!important;gap:10px!important;margin-bottom:24px;page-break-inside:avoid}.metric-card{border:1px solid #cccccc!important;padding:10px!important}.metric-icon-bg{display:none!important}.charts-section{display:grid!important;grid-template-columns:repeat(2,1fr)!important;gap:20px!important;page-break-inside:avoid}.chart-container,.chart-container-donut{height:240px!important;padding:0!important}.data-table{border-collapse:collapse!important}.data-table th,.data-table td{border:1px solid #cccccc!important;padding:6px 10px!important}.data-table th{background-color:#f0f0f0!important;color:#000000!important}.data-table tr.row-invalid{background-color:#fbf0f0!important}.data-table tr.row-suspicious{background-color:#fbfbf0!important}.log-table{page-break-before:always}}a{text-decoration:none;color:inherit;transition:var(--transition)}ul,ol{list-style:none}button{cursor:pointer;border:none;background:none;font-family:inherit}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-md)}.section-padding{padding:clamp(48px, 8vw, 100px) 0}.section-header{text-align:center;margin-bottom:clamp(32px, 5vw, 64px)}.section-header h2{font-size:clamp(1.75rem, 4vw, 2.75rem);margin-bottom:var(--space-md);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text}.section-header p{font-size:clamp(0.95rem, 1.5vw, 1.125rem);color:var(--text-muted);max-width:600px;margin:0 auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.navbar{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;background:rgb(17 17 17 / .95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);transition:background 0.3s ease,border-color 0.3s ease}.navbar.nav-open{background:var(--background-color);backdrop-filter:none;-webkit-backdrop-filter:none}.navbar .container{display:flex;align-items:center;justify-content:space-between;height:72px;min-height:72px;position:relative;z-index:1002}.brand-svg{height:56px;width:auto;display:block}.footer .brand-svg{height:88px;width:auto;display:block}.nav-logo{display:flex;align-items:center;gap:var(--space-sm);font-size:1.25rem;font-weight:700;color:var(--white);z-index:1003;position:relative}.nav-logo span{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text}.nav-links{display:flex;align-items:center;gap:var(--space-xl)}.nav-links>a{color:var(--nav-foot-text-color);font-size:.9375rem;font-weight:500;padding:var(--space-sm) 0;position:relative;transition:var(--transition)}.nav-links>a:hover,.nav-links>a:focus-visible{color:var(--primary-color)}.nav-links>a::after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--gradient-primary);transition:var(--transition);border-radius:var(--radius-full)}.nav-links>a:hover::after{width:100%}.nav-tools{position:relative}.nav-tools>a{display:flex;align-items:center;gap:6px;color:var(--nav-foot-text-color);font-size:.9375rem;font-weight:500;padding:var(--space-sm) 0;position:relative;transition:var(--transition)}.nav-tools>a:hover,.nav-tools>a:focus-visible{color:var(--primary-color)}.nav-tools>a::after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--gradient-primary);transition:var(--transition);border-radius:var(--radius-full)}.nav-tools>a:hover::after{width:100%}.nav-tools>a svg{width:12px;height:12px;transition:var(--transition)}.nav-tools:hover>a svg,.nav-tools:focus-within>a svg{transform:rotate(180deg)}.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);width:720px;margin-top:16px;background:rgb(17 17 17 / .97);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-lg);display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg);opacity:0;visibility:hidden;pointer-events:none;transition:opacity 0.25s ease,visibility 0.25s ease,transform 0.25s ease;box-shadow:0 25px 50px rgb(0 0 0 / .5)}.mega-menu::after{content:"";position:absolute;top:-16px;left:0;right:0;height:16px;background:#fff0}.nav-tools:hover .mega-menu,.nav-tools:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:all;transform:translateX(-50%) translateY(0)}.mega-menu::before{content:"";position:absolute;top:-8px;left:50%;width:16px;height:16px;background:rgb(17 17 17 / .97);border:1px solid var(--border-color);border-bottom:none;border-right:none;transform:translateX(-50%) rotate(45deg)}.mega-category h4{font-size:.75rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--primary-color);margin-bottom:var(--space-sm);font-weight:600}.mega-category ul{display:flex;flex-direction:column;gap:2px}.mega-category a{display:flex;align-items:center;gap:var(--space-sm);padding:8px 12px;border-radius:var(--radius-sm);color:var(--text-muted);font-size:.875rem;transition:var(--transition)}.mega-category a:hover{background:var(--card-bg-hover);color:var(--white)}.mega-category a::before,.mega-category a::after{display:none;content:none}.mega-icon{width:20px;height:20px;flex-shrink:0;opacity:.6}.mega-category a:hover .mega-icon{opacity:1}.hamburger{display:none;flex-direction:column;gap:5px;width:28px;padding:4px 0;z-index:1003;position:relative}.hamburger span{display:block;height:2px;width:100%;background:var(--white);border-radius:var(--radius-full);transition:var(--transition)}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.mobile-nav{display:none;position:fixed;top:72px;left:0;width:100%;height:calc(100vh - 72px);height:calc(100dvh - 72px);background:var(--background-color);z-index:998;padding:var(--space-lg);overflow-y:auto;flex-direction:column;gap:var(--space-md);-webkit-overflow-scrolling:touch}.mobile-nav.active{display:flex}.mobile-nav>a{color:var(--text-color);font-size:1.125rem;padding:var(--space-md) 0;border-bottom:1px solid var(--border-light);display:block}.mobile-tools-toggle{display:flex;justify-content:space-between;align-items:center;cursor:pointer;color:var(--text-color);font-size:1.125rem;padding:var(--space-md) 0;border-bottom:1px solid var(--border-light)}.mobile-tools-toggle svg{width:16px;height:16px;transition:var(--transition)}.mobile-tools-toggle.active svg{transform:rotate(180deg)}.mobile-mega{display:none;padding-left:var(--space-md);padding-bottom:var(--space-md)}.mobile-mega.active{display:block}.mobile-mega h4{font-size:.75rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--primary-color);margin:var(--space-md) 0 var(--space-sm);font-weight:600}.mobile-mega a{font-size:.9375rem;padding:var(--space-sm) 0;border:none;color:var(--text-muted);display:block}.footer{background:var(--nav-foot-bg-color);border-top:1px solid var(--border-color);padding:clamp(48px, 6vw, 80px) 0 0}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:clamp(24px, 4vw, 48px);margin-bottom:clamp(32px, 5vw, 48px)}.footer-brand{max-width:320px}.footer-logo{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-lg)}.footer-logo span{font-size:1.25rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text}.footer-brand p{font-size:.875rem;color:var(--text-muted);line-height:1.7;margin-bottom:var(--space-lg)}.footer-social{display:flex;gap:var(--space-sm)}.footer-social a{width:40px;height:40px;border-radius:var(--radius-md);background:var(--card-bg);border:1px solid var(--border-light);display:flex;align-items:center;justify-content:center;transition:var(--transition);color:var(--text-muted)}.footer-social a:hover{background:var(--info-bg);border-color:var(--primary-color);color:var(--primary-color)}.footer-social a svg{width:18px;height:18px}.footer-column h4{font-size:.8125rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--white);margin-bottom:var(--space-lg);font-weight:600}.footer-column ul{display:flex;flex-direction:column;gap:var(--space-sm)}.footer-column a{font-size:.875rem;color:var(--text-muted);transition:var(--transition);padding:2px 0;display:inline-block}.footer-column a:hover{color:var(--primary-light);transform:translateX(4px)}.footer-bottom{border-top:1px solid var(--border-light);padding:var(--space-lg) 0;text-align:center}.footer-bottom p{font-size:.8125rem;color:var(--text-dim)}.fade-in{opacity:1;transform:none;transition:opacity 0.6s ease,transform 0.6s ease}.js-enabled .fade-in{opacity:0;transform:translateY(24px)}.js-enabled .fade-in.visible{opacity:1;transform:translateY(0)}*:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px;border-radius:2px}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}}@media (max-width:1024px){.why-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.footer .brand-svg{height:110px}}@media (max-width:768px){body{padding-top:72px}.nav-links{display:none}.hamburger{display:flex}.brand-svg{height:44px}.footer .brand-svg{height:100px}.why-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{max-width:100%}.footer-bottom{text-align:center}}@media (max-width:480px){body{padding-top:60px}.navbar .container{height:60px;min-height:60px}.mobile-nav{top:60px;height:calc(100vh - 60px);height:calc(100dvh - 60px)}.brand-svg{height:38px}.footer .brand-svg{height:86px}}@media (min-width:769px){.footer-grid{place-items:center}}@media (min-width:1400px){.container{max-width:1320px}}.intro-section,.methodology-section,.faq-section{display:block}.content-card{padding:28px 32px}@media (max-width:640px){.content-card{padding:20px}}.content-card h1{font-size:clamp(1.5rem, 3vw, 2rem);line-height:1.25;margin-bottom:16px;text-align:center}.content-card h2{font-size:1.2rem;margin:32px 0 12px;padding-top:24px;border-top:1px solid var(--border-color)}.content-card>h2:first-of-type{margin-top:0;padding-top:0;border-top:none}.content-card p{color:var(--text-secondary);line-height:1.7;margin-bottom:14px}.content-card a{color:var(--color-primary);text-decoration:underline;text-decoration-color:var(--color-primary-light);text-underline-offset:2px;transition:color var(--transition-fast)}.content-card a:hover{color:var(--color-primary-hover)}.content-card strong{color:var(--text-primary)}.lead-answer{font-size:1.05rem;color:var(--text-primary)!important;line-height:1.7;padding:16px 20px;background-color:var(--color-primary-light);border-left:3px solid var(--color-primary);border-radius:var(--border-radius-sm);margin-bottom:20px}.fact-list,.assumption-list{color:var(--text-secondary);line-height:1.8;padding-left:20px;margin-bottom:16px}.fact-list li,.assumption-list li{margin-bottom:6px}.fact-list li::marker,.assumption-list li::marker{color:var(--color-primary)}.toc-nav{border:1px solid var(--border-color);background-color:var(--bg-primary);border-radius:var(--border-radius-md);padding:18px 20px;margin-top:20px}.toc-nav h2{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin:0 0 10px;padding:0;border:none;font-weight:600}.toc-list{columns:2;column-gap:32px;margin:0;padding-left:18px;list-style:decimal}.toc-list li{break-inside:avoid;margin-bottom:8px;color:var(--text-secondary)}.toc-list a{color:var(--text-secondary);text-decoration:none;border-bottom:1px dashed var(--border-color)}.toc-list a:hover{color:var(--color-primary);border-bottom-color:var(--color-primary)}@media (max-width:640px){.toc-list{columns:1}}.compare-table th,.compare-table td{vertical-align:top;white-space:normal}.compare-table td a{text-decoration:underline}.worked-example{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--border-radius-md);padding:20px 24px;margin:16px 0}.worked-example p{margin-bottom:8px}.worked-example dl{display:grid;grid-template-columns:max-content 1fr;gap:8px 20px;margin:12px 0;font-family:var(--font-mono);font-size:.9rem}.worked-example dt{color:var(--text-muted);font-weight:500}.worked-example dd{color:var(--text-primary)}.worked-example dd strong{color:var(--color-success)}.faq-item{border-bottom:1px solid var(--border-color);padding:16px 0}.faq-item:last-of-type{border-bottom:none}.faq-item summary{cursor:pointer;list-style:none;font-weight:600;font-size:.98rem;color:var(--text-primary);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 0;transition:color var(--transition-fast)}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";font-size:1.2rem;color:var(--color-primary);flex-shrink:0}.faq-item[open] summary::after{content:"\2212"}.faq-item summary:hover{color:var(--color-primary-hover)}.faq-item p{color:var(--text-secondary);line-height:1.7;margin-top:10px;padding-right:8px;margin-bottom:0}.cky-btn-revisit-wrapper.cky-revisit-bottom-left{display:none!important}.cky-btn-revisit-wrapper,.cky-revisit-bottom-left,.cky-btn-revisit{display:none!important}