@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');:root{--bg-base:#080A10;--bg-surface:#101422;--bg-card:#181E32;--bg-input:#1D243C;--bg-input-focus:#262F4E;--primary:#A259FF;--primary-glow:rgba(162,89,255,0.2);--secondary:#00E5C9;--secondary-glow:rgba(0,229,201,0.18);--error:#FF6B6B;--error-glow:rgba(255,107,107,0.15);--success:#2ECC71;--text-primary:#FFFFFF;--text-secondary:#E2E8F0;--text-muted:#A0AEC0;--text-inactive:#64748B;--border-radius-sm:8px;--border-radius-md:12px;--border-radius-lg:16px;--transition-smooth:all 0.25s cubic-bezier(0.4,0,0.2,1);--focus-ring:3px solid var(--secondary);--ghost-border:rgba(226,232,240,0.06);--ghost-border-active:rgba(162,89,255,0.25);}*{box-sizing:border-box;margin:0;padding:0;}body{background-color:var(--bg-base);color:var(--text-secondary);font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;line-height:1.6;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;}*:focus-visible{outline:var(--focus-ring);outline-offset:2px;}::-webkit-scrollbar{width:10px;}::-webkit-scrollbar-track{background:var(--bg-base);}::-webkit-scrollbar-thumb{background:var(--bg-surface);border:2px solid var(--bg-base);border-radius:5px;}::-webkit-scrollbar-thumb:hover{background:var(--bg-input);}h1,h2,h3,h4,.font-display{font-family:'Outfit',sans-serif;font-weight:700;letter-spacing:-0.02em;color:var(--text-primary);}.app-container{display:grid;grid-template-columns:280px 1fr;min-height:100vh;}@media (max-width:1024px){.app-container{grid-template-columns:1fr;}}.sidebar{background-color:var(--bg-surface);padding:2.5rem 1.5rem;display:flex;flex-direction:column;gap:2.5rem;border-right:1px solid var(--ghost-border);}@media (max-width:1024px){.sidebar{border-right:none;border-bottom:1px solid var(--ghost-border);padding:1.5rem;gap:1.5rem;}}.brand-section{display:flex;align-items:center;gap:16px;}a.brand-section{text-decoration:none;color:inherit;cursor:pointer;}a.brand-section:hover{text-decoration:none;}.brand-logo-img{width:56px;height:56px;border-radius:var(--border-radius-md);object-fit:cover;box-shadow:0 4px 16px var(--primary-glow);transition:transform 0.3s cubic-bezier(0.4,0,0.2,1);}.brand-section:hover .brand-logo-img{transform:rotate(10deg) scale(1.08);}.brand-icon{width:42px;height:42px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:var(--border-radius-md);display:grid;place-items:center;color:var(--bg-base);font-size:1.25rem;font-weight:800;font-family:'Outfit',sans-serif;box-shadow:0 4px 14px var(--primary-glow);}.brand-title h1{font-size:1.3rem;color:var(--text-primary);line-height:1.1;}.brand-title span{font-size:0.72rem;color:var(--secondary);letter-spacing:0.15em;text-transform:uppercase;font-weight:600;}.search-container{position:relative;width:100%;}.search-input{width:100%;background-color:var(--bg-input);border:1px solid var(--ghost-border);border-radius:var(--border-radius-md);padding:14px 16px 14px 44px;color:var(--text-primary);font-family:'Inter',sans-serif;font-size:0.92rem;transition:var(--transition-smooth);}.search-input:focus{outline:none;border-color:var(--secondary);background-color:var(--bg-input-focus);box-shadow:0 0 10px var(--secondary-glow);}.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none;}.nav-menu{display:flex;flex-direction:column;gap:6px;list-style:none;}@media (max-width:1024px){.nav-menu{flex-direction:row;flex-wrap:wrap;gap:6px;}}.nav-item{width:100%;}@media (max-width:1024px){.nav-item{width:auto;}}.nav-link{display:flex;align-items:center;gap:12px;padding:12px 14px;color:var(--text-muted);text-decoration:none;font-size:0.95rem;font-weight:500;border-radius:var(--border-radius-sm);transition:var(--transition-smooth);cursor:pointer;border-left:3px solid transparent;}.nav-link:hover,.nav-link.active{color:var(--text-primary);background-color:var(--bg-card);}.nav-link.active{border-left-color:var(--primary);background-color:var(--bg-card);}@media (max-width:1024px){.nav-link.active{border-left-color:transparent;border-bottom:3px solid var(--primary);border-radius:var(--border-radius-sm) var(--border-radius-sm) 0 0;}}.main-workspace{padding:3rem 2.5rem;display:flex;flex-direction:column;gap:3rem;max-width:1140px;margin:0 auto;width:100%;}@media (max-width:768px){.main-workspace{padding:1.5rem 1.25rem;gap:2rem;}}.workspace-header{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;}.workspace-title h2{font-size:2.25rem;background:linear-gradient(135deg,var(--text-primary) 60%,var(--text-muted));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2;}.workspace-title p{color:var(--text-muted);font-size:1.05rem;margin-top:8px;max-width:800px;}.calculators-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:1.5rem;}.calc-card{background-color:var(--bg-surface);border:1px solid var(--ghost-border);border-radius:var(--border-radius-lg);padding:1.8rem;display:flex;flex-direction:column;justify-content:space-between;gap:1.5rem;transition:var(--transition-smooth);text-decoration:none;color:inherit;cursor:pointer;position:relative;overflow:hidden;}.calc-card::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 100% 0%,var(--primary-glow),transparent 60%);opacity:0;transition:var(--transition-smooth);}.calc-card:hover{transform:translateY(-4px);border-color:var(--ghost-border-active);box-shadow:0 12px 30px rgba(0,0,0,0.4);}.calc-card:hover::after{opacity:1;}.calc-card-info{display:flex;flex-direction:column;gap:12px;z-index:1;}.calc-card-icon{width:46px;height:46px;background-color:var(--bg-card);border-radius:var(--border-radius-md);display:grid;place-items:center;font-size:1.35rem;color:var(--primary);transition:var(--transition-smooth);}.calc-card:hover .calc-card-icon{background-color:var(--primary);color:var(--bg-base);box-shadow:0 0 15px var(--primary-glow);}.calc-card-title{font-size:1.2rem;font-weight:600;color:var(--text-primary);}.calc-card-desc{font-size:0.88rem;color:var(--text-muted);line-height:1.45;}.calc-card-action{display:flex;align-items:center;gap:8px;font-size:0.88rem;font-weight:600;color:var(--secondary);z-index:1;}.calc-card-action svg{transition:var(--transition-smooth);}.calc-card:hover .calc-card-action svg{transform:translateX(4px);}.back-button{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background-color:var(--bg-surface);border:1px solid var(--ghost-border);border-radius:var(--border-radius-sm);color:var(--text-muted);text-decoration:none;font-size:0.88rem;font-weight:500;cursor:pointer;transition:var(--transition-smooth);margin-bottom:0.5rem;}.back-button:hover{color:var(--text-primary);background-color:var(--bg-card);border-color:var(--text-muted);}.calc-detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start;}@media (max-width:900px){.calc-detail-layout{grid-template-columns:1fr;gap:1.5rem;}}.calc-inputs-container{background-color:var(--bg-surface);border:1px solid var(--ghost-border);border-radius:var(--border-radius-lg);padding:2.2rem;display:flex;flex-direction:column;gap:1.8rem;}.calc-outputs-container{background-color:var(--bg-card);border:1px solid var(--ghost-border);border-radius:var(--border-radius-lg);padding:2.2rem;display:flex;flex-direction:column;gap:1.8rem;box-shadow:0 10px 35px rgba(0,0,0,0.25);position:sticky;top:2rem;}.input-group{display:flex;flex-direction:column;gap:8px;position:relative;}.input-label-row{display:flex;justify-content:space-between;align-items:center;}.input-label{font-size:0.9rem;font-weight:500;color:var(--text-secondary);}.input-unit{font-size:0.78rem;font-weight:600;color:var(--secondary);text-transform:uppercase;}.input-control-wrapper{position:relative;width:100%;}.input-field{width:100%;background-color:var(--bg-input);border:1px solid var(--ghost-border);border-radius:var(--border-radius-md);padding:15px 18px;color:var(--text-primary);font-family:'Outfit',sans-serif;font-size:1.15rem;font-weight:500;transition:var(--transition-smooth);}.input-field:focus{outline:none;border-color:var(--primary);background-color:var(--bg-input-focus);box-shadow:0 0 10px var(--primary-glow);}.select-field{width:100%;background-color:var(--bg-input);border:1px solid var(--ghost-border);border-radius:var(--border-radius-md);padding:15px 18px;color:var(--text-primary);font-family:'Inter',sans-serif;font-size:0.96rem;font-weight:500;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml;utf8,<svg fill='%239EADB9' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");background-repeat:no-repeat;background-position:right 14px center;transition:var(--transition-smooth);}.select-field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 10px var(--primary-glow);}.output-card-title{font-size:1.3rem;color:var(--text-primary);border-bottom:1px solid var(--ghost-border);padding-bottom:10px;display:flex;justify-content:space-between;align-items:center;}.result-group{background-color:var(--bg-surface);border-radius:var(--border-radius-md);padding:1.25rem;display:flex;flex-direction:column;gap:8px;position:relative;border-left:4px solid var(--secondary);transition:var(--transition-smooth);}.result-label{font-size:0.8rem;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-muted);font-weight:600;}.result-value-row{display:flex;justify-content:space-between;align-items:center;}.result-value{font-family:'Outfit',sans-serif;font-size:1.85rem;font-weight:700;color:var(--text-primary);word-break:break-all;}.result-copy-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:6px;border-radius:4px;display:grid;place-items:center;transition:var(--transition-smooth);}.result-copy-btn:hover{color:var(--secondary);background-color:var(--bg-input);}.visual-container{width:100%;background-color:var(--bg-surface);border-radius:var(--border-radius-md);padding:1.5rem;display:grid;place-items:center;border:1px dashed var(--ghost-border);min-height:200px;}.visual-container svg{max-width:100%;height:auto;}.steps-container{background-color:var(--bg-surface);border-radius:var(--border-radius-md);padding:1.5rem;display:flex;flex-direction:column;gap:12px;}.steps-title{font-size:0.95rem;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:0.05em;}.step-item{font-size:0.9rem;color:var(--text-muted);padding-left:15px;border-left:2px solid var(--ghost-border);line-height:1.6;}.step-math{font-family:'Outfit',sans-serif;color:var(--text-primary);font-size:1.05rem;margin:4px 0;font-weight:500;}.text-error{color:var(--error) !important;}.breadcrumb-container{display:flex;align-items:center;gap:8px;font-size:0.85rem;color:var(--text-muted);list-style:none;margin-bottom:-1rem;}.breadcrumb-item a{color:var(--text-muted);text-decoration:none;transition:var(--transition-smooth);}.breadcrumb-item a:hover{color:var(--secondary);}.breadcrumb-separator{color:var(--text-inactive);}.seo-article-block{margin-top:4rem;border-top:1px solid var(--ghost-border);padding-top:3rem;display:flex;flex-direction:column;gap:2.5rem;}.seo-article-title{font-size:1.8rem;margin-bottom:0.5rem;}.seo-content-grid{display:grid;grid-template-columns:1.8fr 1.2fr;gap:3rem;}@media (max-width:900px){.seo-content-grid{grid-template-columns:1fr;gap:2rem;}}.article-body{display:flex;flex-direction:column;gap:1.5rem;color:var(--text-secondary);}.article-body p{font-size:0.98rem;line-height:1.7;}.article-body h3{font-size:1.35rem;margin-top:1rem;}.formula-card{background-color:var(--bg-surface);border:1px solid var(--ghost-border);border-left:4px solid var(--primary);border-radius:var(--border-radius-md);padding:1.5rem;margin:1rem 0;}.formula-card h4{font-size:1rem;margin-bottom:8px;color:var(--text-primary);}.formula-expr{font-family:'Outfit',sans-serif;font-size:1.4rem;color:var(--secondary);text-align:center;margin:12px 0;font-weight:600;}.faq-section{display:flex;flex-direction:column;gap:1rem;}.faq-card{background-color:var(--bg-surface);border:1px solid var(--ghost-border);border-radius:var(--border-radius-md);overflow:hidden;transition:var(--transition-smooth);}.faq-header-btn{width:100%;background:none;border:none;padding:18px 24px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;text-align:left;color:var(--text-primary);font-size:1rem;font-weight:600;font-family:'Inter',sans-serif;}.faq-header-btn:hover{background-color:var(--bg-card);}.faq-icon{font-size:0.88rem;color:var(--secondary);transition:transform 0.3s ease;}.faq-collapse{max-height:0;overflow:hidden;transition:max-height 0.3s cubic-bezier(0,1,0,1);}.faq-body{padding:0 24px 20px 24px;color:var(--text-muted);font-size:0.94rem;line-height:1.6;}.faq-card.active .faq-icon{transform:rotate(180deg);}.faq-card.active .faq-collapse{max-height:800px;transition:max-height 0.4s cubic-bezier(0.9,0,0.1,1);}.article-list{list-style:none;display:flex;flex-direction:column;gap:10px;padding-left:5px;}.article-list-item{position:relative;padding-left:24px;font-size:0.96rem;}.article-list-item::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:3px;color:var(--secondary);font-size:0.85rem;}.footer{margin-top:auto;background-color:var(--bg-surface);border-top:1px solid var(--ghost-border);padding:2.5rem 2rem;text-align:center;color:var(--text-inactive);font-size:0.88rem;}@keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}.animated-fade{animation:fadeIn 0.35s cubic-bezier(0.25,0.8,0.25,1) forwards;}.toast-notification{position:fixed;bottom:2rem;right:2rem;background-color:var(--secondary);color:var(--bg-base);padding:12px 24px;border-radius:var(--border-radius-sm);font-weight:600;font-size:0.92rem;box-shadow:0 8px 25px var(--secondary-glow);z-index:2000;animation:fadeIn 0.25s cubic-bezier(0.25,0.8,0.25,1) forwards;}.fav-toggle-btn{background:none;border:none;font-size:1.5rem;color:var(--text-inactive);cursor:pointer;padding:8px;display:grid;place-items:center;transition:var(--transition-smooth);border-radius:50%;}.fav-toggle-btn:hover{background-color:rgba(255,255,255,0.05);}.fav-toggle-btn i{transition:transform 0.25s cubic-bezier(0.175,0.885,0.32,1.275),color 0.2s ease;}.fav-toggle-btn:hover i{transform:scale(1.15);color:#FFB800;}@media print{body{background:#FFFFFF !important;color:#000000 !important;}.sidebar,.back-button,.search-container,.footer,.toast-notification,.result-copy-btn{display:none !important;}.app-container{display:block !important;}.main-workspace{padding:0 !important;max-width:100% !important;}.calc-detail-layout{display:block !important;}.calc-inputs-container,.calc-outputs-container{background:#FFFFFF !important;border:1px solid #CCCCCC !important;color:#000000 !important;box-shadow:none !important;margin-bottom:20px !important;page-break-inside:avoid;}.input-field,.select-field{background:#FFFFFF !important;border:1px solid #888888 !important;color:#000000 !important;}.result-group{background:#F0F0F0 !important;border-left:4px solid #000000 !important;color:#000000 !important;}.result-value{color:#000000 !important;}.steps-container{background:#FFFFFF !important;border:1px solid #CCCCCC !important;color:#000000 !important;}.step-math{color:#000000 !important;}.seo-article-block{display:none !important;}}.fraction{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;line-height:1.15;margin:0 6px;font-size:0.95em;}.fraction .numerator{border-bottom:1.5px solid var(--text-primary);padding:0 4px 3px 4px;font-family:'Outfit',sans-serif;color:var(--text-primary);}.fraction .denominator{padding:3px 4px 0 4px;font-family:'Outfit',sans-serif;color:var(--text-primary);}.sqrt{display:inline-flex;align-items:center;vertical-align:middle;margin:0 4px;}.sqrt-sym{font-family:'Outfit',sans-serif;font-size:1.35em;font-weight:300;line-height:1;margin-right:-1px;color:var(--secondary);}.sqrt-content{border-top:1.5px solid var(--secondary);padding-top:1px;padding-left:2px;padding-right:2px;font-family:'Outfit',sans-serif;}sub{font-size:0.72em;vertical-align:sub;bottom:-0.1em;position:relative;color:var(--secondary);}sup{font-size:0.72em;vertical-align:super;top:-0.2em;position:relative;color:var(--text-primary);}.related-calculators{margin-top:3.5rem;border-top:1px solid var(--ghost-border);padding-top:2.5rem;}.related-title{font-size:1.45rem;margin-bottom:1.5rem;background:linear-gradient(135deg,var(--text-primary) 70%,var(--text-muted));-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.25rem;}.related-card{background-color:var(--bg-surface);border:1px solid var(--ghost-border);border-radius:var(--border-radius-md);padding:1.25rem;display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;transition:var(--transition-smooth);cursor:pointer;}.related-card:hover{transform:translateY(-2px);border-color:var(--secondary);background-color:var(--bg-card);box-shadow:0 6px 15px rgba(0,0,0,0.2);}.related-card-icon{font-size:1.4rem;min-width:32px;text-align:center;}.related-card-info{display:flex;flex-direction:column;gap:4px;}.related-card-title{font-size:0.95rem;font-weight:600;color:var(--text-primary);}.related-card-desc{font-size:0.78rem;color:var(--text-muted);line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}.premium-hero{position:relative;padding:4rem 2.5rem;background-color:var(--bg-surface);border-radius:var(--border-radius-lg);border:1px solid var(--ghost-border);margin-bottom:2.5rem;overflow:hidden;display:flex;flex-direction:column;justify-content:center;}@media (max-width:768px){.premium-hero{padding:2.5rem 1.5rem;}}.hero-glow-atmosphere{position:absolute;top:-40%;left:-20%;width:80%;height:180%;background:radial-gradient(circle,rgba(16,185,129,0.08) 0%,rgba(59,130,246,0.05) 50%,transparent 100%);pointer-events:none;z-index:1;}.hero-content{position:relative;z-index:2;max-width:800px;}.hero-title{font-size:2.8rem;line-height:1.15;font-weight:800;margin-bottom:1.2rem;letter-spacing:-0.03em;font-family:'Outfit',sans-serif;}@media (max-width:768px){.hero-title{font-size:2rem;}}.hero-title-accent{background:linear-gradient(135deg,var(--secondary),#10B981);-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.hero-subtitle{font-size:1.1rem;color:var(--text-secondary);line-height:1.6;margin-bottom:2rem;max-width:680px;}.hero-search-wrapper{position:relative;display:flex;gap:12px;max-width:620px;background:rgba(8,10,16,0.6);backdrop-filter:blur(12px);border:1px solid var(--ghost-border);border-radius:var(--border-radius-md);padding:6px;box-shadow:0 8px 32px rgba(0,0,0,0.25);transition:var(--transition-smooth);}.hero-search-wrapper:focus-within{border-color:var(--secondary);box-shadow:0 0 20px rgba(0,229,201,0.15);}.hero-search-icon{position:absolute;left:20px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:1.1rem;}.hero-search-input{flex:1;background:transparent;border:none;padding:12px 12px 12px 42px;color:var(--text-primary);font-family:'Inter',sans-serif;font-size:1rem;}.hero-search-input:focus{outline:none;}.hero-search-btn{background-color:#10B981;color:#003824;border:none;border-radius:var(--border-radius-sm);padding:0 24px;font-weight:700;font-family:'Outfit',sans-serif;cursor:pointer;transition:var(--transition-smooth);}.hero-search-btn:hover{background-color:var(--secondary);box-shadow:0 0 12px var(--secondary-glow);}@media (max-width:480px){.hero-search-wrapper{flex-direction:column;background:transparent;border:none;padding:0;box-shadow:none;}.hero-search-input{background:var(--bg-input);border:1px solid var(--ghost-border);border-radius:var(--border-radius-md);padding-left:44px;}.hero-search-btn{padding:14px;}.hero-search-icon{top:25px;}}.portal-categories-section{margin-bottom:3.5rem;}.section-header{margin-bottom:2rem;}.section-title{font-size:1.8rem;margin-bottom:0.5rem;font-family:'Outfit',sans-serif;}.section-subtitle{color:var(--text-muted);font-size:0.95rem;max-width:600px;}.portal-categories-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;}.category-portal-card{background:rgba(16,20,34,0.45);backdrop-filter:blur(12px);border:1px solid var(--ghost-border);border-radius:var(--border-radius-md);padding:22px;display:flex;gap:16px;cursor:pointer;transition:var(--transition-smooth);position:relative;overflow:hidden;}.category-portal-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(16,185,129,0.04) 0%,rgba(59,130,246,0.02) 100%);opacity:0;transition:var(--transition-smooth);}.category-portal-card:hover{transform:translateY(-4px);border-color:rgba(0,229,201,0.25);box-shadow:0 10px 30px rgba(0,0,0,0.2);}.category-portal-card:hover::before{opacity:1;}.cat-portal-icon{font-size:2.2rem;min-width:48px;height:48px;display:grid;place-items:center;}.cat-portal-details{flex:1;display:flex;flex-direction:column;gap:6px;position:relative;z-index:2;}.cat-portal-title{font-size:1.15rem;font-weight:700;color:var(--text-primary);font-family:'Outfit',sans-serif;}.cat-portal-desc{font-size:0.85rem;color:var(--text-muted);line-height:1.4;}.cat-portal-quicklinks{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;}.tag-link{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.05);color:var(--text-secondary);border-radius:var(--border-radius-sm);padding:4px 8px;font-size:0.72rem;font-weight:500;transition:var(--transition-smooth);text-decoration:none;}.tag-link:hover{background:rgba(0,229,201,0.1);border-color:var(--secondary);color:var(--text-primary);}.technical-pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:4rem;}@media (max-width:768px){.technical-pillars{grid-template-columns:1fr;}}.pillar-card{background:rgba(16,20,34,0.2);border-radius:var(--border-radius-md);padding:24px;border:1px solid rgba(226,232,240,0.02);text-align:center;transition:var(--transition-smooth);}.pillar-card:hover{border-color:rgba(226,232,240,0.08);background:rgba(16,20,34,0.4);}.pillar-icon{font-size:1.8rem;color:var(--secondary);margin-bottom:12px;}.pillar-card h3{font-size:1.15rem;margin-bottom:8px;font-family:'Outfit',sans-serif;}.pillar-card p{font-size:0.85rem;color:var(--text-muted);line-height:1.5;}.predictive-results-dropdown{position:absolute;top:100%;left:0;width:100%;margin-top:8px;background:rgba(16,20,34,0.95);backdrop-filter:blur(20px);border:1px solid rgba(0,229,201,0.25);border-radius:var(--border-radius-md);box-shadow:0 12px 40px rgba(0,0,0,0.5);z-index:999;max-height:320px;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:4px;}.predictive-result-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--border-radius-sm);color:var(--text-secondary);text-decoration:none;transition:var(--transition-smooth);}.predictive-result-item:hover{background:rgba(0,229,201,0.1);color:var(--text-primary);}.predictive-result-icon{font-size:1.3rem;min-width:24px;text-align:center;}.predictive-result-info{display:flex;flex-direction:column;}.predictive-result-title{font-size:0.92rem;font-weight:600;}.predictive-result-desc{font-size:0.75rem;color:var(--text-muted);line-height:1.3;}.ad-wrapper{margin:2rem 0;padding:12px;background:rgba(16,20,34,0.4);border:1px solid var(--ghost-border);border-radius:var(--border-radius-md);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;backdrop-filter:blur(12px);transition:var(--transition-smooth);}.ad-label{font-size:0.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:6px;font-family:'Outfit',sans-serif;font-weight:500;}.ad-spot-horizontal{min-height:90px;width:100%;max-width:728px;display:flex;align-items:center;justify-content:center;}.ad-spot-vertical{min-height:250px;width:100%;max-width:300px;display:flex;align-items:center;justify-content:center;}.calc-card.ad-card{background:rgba(0,229,201,0.015);border-color:rgba(0,229,201,0.08);cursor:default;pointer-events:auto !important;}.calc-card.ad-card:hover{transform:none;box-shadow:none;border-color:rgba(0,229,201,0.15);}@media (max-width:768px){.ad-spot-horizontal{min-height:50px;}}.mobile-header,.mobile-bottom-nav,.mobile-bottom-sheet,.bottom-sheet-backdrop,.mobile-category-bar{display:none;}@media (max-width:1024px){.sidebar{display:none !important;}.app-container{grid-template-columns:1fr !important;padding-bottom:72px;}.main-workspace{padding:1rem 12px 24px 12px !important;}.mobile-header{display:flex;align-items:center;justify-content:space-between;background-color:rgba(16,20,34,0.85);border-bottom:1px solid var(--ghost-border);padding:12px 18px;position:sticky;top:0;z-index:1000;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);}.mobile-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;}.mobile-brand-logo{width:38px;height:38px;border-radius:var(--border-radius-sm);object-fit:cover;box-shadow:0 4px 10px var(--primary-glow);}.mobile-brand-title h1{font-size:1.15rem;line-height:1.1;font-weight:700;font-family:'Outfit',sans-serif;}.mobile-brand-title span{font-size:0.65rem;color:var(--secondary);text-transform:uppercase;letter-spacing:0.1em;font-weight:600;display:block;}.mobile-header-btn{background:rgba(255,255,255,0.04);border:1px solid var(--ghost-border);color:var(--text-secondary);width:38px;height:38px;border-radius:50%;display:grid;place-items:center;cursor:pointer;transition:var(--transition-smooth);}.mobile-header-btn:active{transform:scale(0.92);background:rgba(255,255,255,0.1);}.mobile-category-bar{display:flex;overflow-x:auto;white-space:nowrap;padding:12px 14px;background-color:var(--bg-base);gap:8px;scrollbar-width:none;-webkit-overflow-scrolling:touch;border-bottom:1px solid var(--ghost-border);scroll-snap-type:x mandatory;}.mobile-category-bar::-webkit-scrollbar{display:none;}.category-chip{display:inline-flex;align-items:center;gap:6px;background-color:var(--bg-surface);border:1px solid var(--ghost-border);color:var(--text-secondary);padding:8px 16px;border-radius:20px;font-size:0.8rem;font-weight:500;cursor:pointer;transition:var(--transition-smooth);scroll-snap-align:start;}.category-chip.active{background-color:var(--primary-glow);border-color:var(--primary);color:var(--primary);box-shadow:0 0 10px rgba(16,185,129,0.15);}.category-chip-icon{font-size:0.85rem;}.mobile-bottom-nav{display:flex;position:fixed;bottom:0;left:0;width:100%;height:64px;background-color:rgba(8,10,16,0.88);border-top:1px solid var(--ghost-border);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);z-index:1000;justify-content:space-around;align-items:center;padding:0 8px;}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;color:var(--text-muted);text-decoration:none;font-size:0.65rem;gap:4px;cursor:pointer;flex:1;transition:var(--transition-smooth);height:100%;justify-content:center;}.bottom-nav-item i{font-size:1.15rem;transition:transform 0.25s cubic-bezier(0.175,0.885,0.32,1.275);}.bottom-nav-item.active{color:var(--primary);}.bottom-nav-item.active i{transform:translateY(-2px) scale(1.1);text-shadow:0 0 8px var(--primary-glow);}.bottom-sheet-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,0.65);z-index:1999;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);opacity:0;transition:opacity 0.3s ease;}.mobile-bottom-sheet{position:fixed;bottom:0;left:0;width:100%;height:72vh;background-color:rgba(16,20,34,0.94);border-top:1px solid var(--ghost-border);border-top-left-radius:24px;border-top-right-radius:24px;backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);z-index:2000;box-shadow:0 -10px 40px rgba(0,0,0,0.6);padding:16px 20px 24px 20px;display:flex;flex-direction:column;transform:translateY(100%);transition:transform 0.35s cubic-bezier(0.16,1,0.3,1);}.mobile-bottom-sheet.open{transform:translateY(0);}.bottom-sheet-handle{width:44px;height:4px;background-color:rgba(255,255,255,0.15);border-radius:2px;align-self:center;margin-bottom:18px;cursor:pointer;}.bottom-sheet-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;}.bottom-sheet-header h3{font-size:1.25rem;color:var(--text-primary);font-family:'Outfit',sans-serif;}.bottom-sheet-close{background:rgba(255,255,255,0.05);border:none;color:var(--text-secondary);width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-size:1rem;cursor:pointer;}.bottom-sheet-content{overflow-y:auto;flex:1;padding-bottom:12px;scrollbar-width:none;}.bottom-sheet-content::-webkit-scrollbar{display:none;}.bottom-sheet-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}.bottom-sheet-card{background:rgba(24,30,50,0.4);border:1px solid var(--ghost-border);border-radius:12px;padding:14px 12px;display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;transition:var(--transition-smooth);}.bottom-sheet-card:active{transform:scale(0.96);background:rgba(24,30,50,0.8);border-color:var(--primary);}.bottom-sheet-card-icon{font-size:1.4rem;width:36px;height:36px;background:rgba(255,255,255,0.03);border-radius:8px;display:grid;place-items:center;}.bottom-sheet-card-info{display:flex;flex-direction:column;gap:2px;}.bottom-sheet-card-title{font-size:0.8rem;font-weight:600;color:var(--text-primary);line-height:1.2;}.bottom-sheet-card-count{font-size:0.65rem;color:var(--text-muted);}.calculators-grid{grid-template-columns:1fr !important;gap:12px !important;}.calc-card{padding:16px 14px !important;}.calc-card-title{font-size:1rem !important;}.calc-card-desc{font-size:0.82rem !important;line-height:1.4 !important;}.workspace-header{padding:18px 14px !important;border-radius:var(--border-radius-md) !important;margin-bottom:12px !important;}.workspace-header h2{font-size:1.35rem !important;}.workspace-header p{font-size:0.82rem !important;line-height:1.4 !important;}}