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.icon{font-size:1.1rem}.user-avatar-placeholder{width:32px;height:32px;background:#4299e1;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:var(--interface-font-size);cursor:pointer}.nav-rail-primary,.nav-rail-secondary{display:flex;flex-direction:column;align-items:center;gap:.75rem}@media (max-width: 768px){.navigation-rail{display:flex;flex-direction:row;width:100%;height:72px;position:fixed;bottom:0;left:0;border-right:none;border-top:1px solid var(--border);padding:0 1rem;justify-content:space-between;background:var(--bg-railbar);z-index:1000;box-shadow:0 -2px 10px var(--shadow)}.nav-rail-btn{width:60px;height:60px;min-width:60px;flex-shrink:0}.nav-rail-logo{width:60px;height:60px}.nav-settings-btn,.nav-user-btn,.nav-google-btn{width:60px!important;height:60px!important;min-width:60px!important;flex-shrink:0!important}.nav-user-btn img{width:60px!important;height:60px!important}.nav-google-btn svg{width:32px!important;height:32px!important}.nav-rail-primary,.nav-rail-secondary{flex-direction:row;gap:1rem}.nav-rail-header{display:flex!important;margin-bottom:0;align-items:center}.nav-rail-spacer{display:none}}@media (max-height: 500px) and (orientation: landscape){.navigation-rail{width:72px}.nav-rail-btn,.nav-rail-logo{width:60px;height:60px}.nav-settings-btn,.nav-user-btn,.nav-google-btn,.nav-user-btn img{width:60px!important;height:60px!important}.nav-google-btn svg{width:32px!important;height:32px!important}}@media (max-width: 768px){.app-container{flex-direction:column;height:100vh;padding-bottom:64px}.sidebar{width:100%!important;height:calc(100vh - 64px);border-right:none}.sidebar-resizer{display:none}.sidebar-folder{width:100%!important;max-width:none;height:100%;border-right:none}.sidebar.mobile-view-pages .sidebar-folder,.sidebar.mobile-view-editor .sidebar-folder{display:none!important}.sidebar-page{width:100%!important;max-width:none;height:100%;border-right:none}.sidebar.mobile-view-folders .sidebar-page,.sidebar.mobile-view-editor .sidebar-page{display:none!important}.editor-container{width:100%!important;height:calc(100vh - 64px);position:absolute;top:0;left:0;z-index:200;background:#fff;overflow:visible}.app-container:not(.mobile-view-editor) .editor-container{display:none}.app-container.mobile-view-editor .sidebar{display:none}.toolbar.toolbar-mobile{position:fixed;top:0;left:0;right:0;z-index:300;padding:.5rem;gap:.35rem;flex-wrap:nowrap;overflow:visible;justify-content:flex-start}.editor-wrapper{padding-top:60px}.toolbar-mobile .toolbar-button{min-width:44px;height:44px;font-size:1rem;padding:.5rem;flex-shrink:0}.toolbar-mobile .toolbar-divider{height:32px;margin:0 .25rem}.toolbar-mobile .dropdown-menu{min-width:160px;max-height:60vh;overflow-y:auto;z-index:9999}.toolbar-mobile .dropdown-item{padding:.75rem 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drop-shadow(1px 0 0 rgba(93,58,26,.5)) drop-shadow(2px 3px 6px rgba(255,140,0,.7))}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.hero-title{font-size:3.5rem;font-weight:800;margin-bottom:1.5rem;line-height:1.2;text-shadow:0 4px 10px rgba(0,0,0,.2)}.hero-title .highlight{background:linear-gradient(135deg,#ffe259,#ffab40,#ff8c00 70%,#e67e22);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 -1px 0 rgba(93,58,26,.5)) drop-shadow(0 1px 0 rgba(93,58,26,.5)) drop-shadow(-1px 0 0 rgba(93,58,26,.5)) drop-shadow(1px 0 0 rgba(93,58,26,.5)) drop-shadow(2px 3px 4px 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0}.feature-card{background:linear-gradient(135deg,#f5f7fa,#c3cfe2);padding:2rem;border-radius:16px;box-shadow:0 5px 20px #0000001a;transition:all .3s ease}.feature-card.highlight-card{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:3px solid rgba(255,255,255,.3)}.feature-card.highlight-card .feature-title{color:#fff}.feature-card.highlight-card .feature-description{color:#fffffff2}.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #00000026}.feature-card.highlight-card:hover{box-shadow:0 15px 40px #667eea66;border-color:#ffffff80}.feature-icon{font-size:3rem;margin-bottom:1rem}.feature-title{font-size:1.5rem;font-weight:700;margin-bottom:1rem;color:#667eea}.feature-description{font-size:1rem;line-height:1.6;color:#555}.use-cases-section{max-width:1200px;margin:4rem auto;padding:2rem 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#0006}.cta-note{margin-top:1rem;font-size:.9rem;opacity:.9}.landing-footer{text-align:center;padding:3rem 2rem;background:#0003;color:#fff}.footer-content{max-width:800px;margin:0 auto}.footer-tagline{font-size:1.1rem;margin-bottom:1.5rem;opacity:.95}.footer-links{display:flex;justify-content:center;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1.5rem}.footer-link{color:gold;text-decoration:none;font-weight:600;transition:all .2s ease;padding:.25rem 0;border-bottom:2px solid transparent}.footer-link:hover{border-bottom-color:gold;transform:translateY(-2px)}.footer-separator{color:#ffffff80;font-weight:300}.footer-copyright{font-size:.9rem;opacity:.8;margin-top:1rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media (max-width: 768px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.5rem}.hero-description{font-size:1rem}.core-values{grid-template-columns:repeat(2,1fr);gap:1rem;padding:1.5rem .5rem}.value-item{padding:1rem .5rem}.value-item h3{font-size:.95rem}.value-item p{font-size:.8rem}.features-grid,.use-cases-grid{grid-template-columns:1fr}.btn-primary,.btn-secondary{width:100%}.footer-links{flex-direction:column;gap:.5rem}.footer-separator{display:none}}@media (max-width: 480px){.core-values{grid-template-columns:1fr}.hero-logo{width:80px;height:80px}}:root{--bb-green: #2d4a3e;--bb-green-light: #3a5d4d;--bb-chalk: #f5f0dc;--bb-chalk-dim: #c4bfb0;--bb-wood: #8B4513;--bb-wood-light: #A0522D;--bb-wood-dark: #5D3A1A;--bb-yellow: #FFF8DC;--bb-yellow-accent: #FFE259;--bb-orange: #FF8C00}.landing-blackboard{min-height:100vh;background:linear-gradient(180deg,#2d4a3e,#1a332a);color:var(--bb-chalk);font-family:Georgia,Times New Roman,serif;overflow-x:hidden}.wooden-frame-top,.wooden-frame-bottom{height:20px;background:linear-gradient(90deg,#5d3a1a,#8b4513 20%,sienna,#8b4513 80%,#5d3a1a);box-shadow:inset 0 2px 4px #fff3,inset 0 -2px 4px #0000004d,0 4px 8px #0006}.wooden-frame-top{border-bottom:3px solid #4a2f0f}.wooden-frame-bottom{border-top:3px solid #4a2f0f}.blackboard-hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:3rem 2rem;background:radial-gradient(ellipse at 30% 20%,rgba(58,93,77,.3) 0%,transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(58,93,77,.2) 0%,transparent 50%),linear-gradient(180deg,#2d4a3e,#234536,#1a332a)}.chalk-content{max-width:900px;text-align:center;animation:fadeInUp .8s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.chalk-logo{margin-bottom:2rem}.logo-text{font-size:4rem;font-weight:800;font-family:Georgia,serif;background:linear-gradient(135deg,#ffe259,#ffab40,#ff8c00 70%,#e67e22);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(2px 3px 4px rgba(255,140,0,.6)) drop-shadow(1px 1px 0px 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2.5rem}.chalk-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:3rem}.btn-chalk-primary{padding:1rem 2.5rem;font-size:1.2rem;font-weight:700;font-family:inherit;background:linear-gradient(135deg,#ffe259,#ff8c00);color:#2d1810;border:none;border-radius:50px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #ff8c0066,inset 0 1px #ffffff4d}.btn-chalk-primary:hover{transform:translateY(-3px);box-shadow:0 6px 20px #ff8c0080,inset 0 1px #ffffff4d}.btn-chalk-secondary{padding:1rem 2rem;font-size:1.1rem;font-weight:600;font-family:inherit;background:transparent;color:var(--bb-chalk);border:2px solid var(--bb-chalk-dim);border-radius:50px;cursor:pointer;transition:all .3s ease}.btn-chalk-secondary:hover{background:#f5f0dc1a;border-color:var(--bb-chalk)}.chalk-values{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1.5rem;max-width:800px;margin:0 auto}.value-note{padding:1.5rem 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p{font-size:.85rem;opacity:.9;margin:0}.chalk-dust{position:absolute;width:100px;height:2px;background:linear-gradient(90deg,transparent,rgba(245,240,220,.3),transparent);opacity:.5}.chalk-dust-1{bottom:20%;left:10%;transform:rotate(-5deg)}.chalk-dust-2{top:30%;right:15%;width:80px;transform:rotate(3deg)}.chalk-dust-3{bottom:40%;right:8%;width:60px;transform:rotate(-2deg)}.blackboard-features{padding:4rem 2rem;background:linear-gradient(180deg,#1a332a,#234536,#2d4a3e)}.section-chalk-title{font-size:2.2rem;text-align:center;margin-bottom:3rem;color:var(--bb-chalk)}.chalk-bracket{color:var(--bb-yellow-accent);margin:0 .5rem}.features-chalk-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;max-width:1100px;margin:0 auto 4rem}.feature-chalk-card{background:#ffffff0d;border:1px solid rgba(245,240,220,.2);border-radius:12px;padding:2rem;text-align:center;transition:all .3s ease}.feature-chalk-card:hover{background:#ffffff14;transform:translateY(-5px);box-shadow:0 10px 30px #0000004d}.chalk-card-icon{font-size:3rem;margin-bottom:1rem}.feature-chalk-card h3{font-size:1.4rem;margin-bottom:1rem;color:var(--bb-yellow-accent)}.feature-chalk-card p{font-size:1rem;line-height:1.7;color:var(--bb-chalk-dim)}.feature-chalk-card strong{color:var(--bb-chalk)}.use-cases-chalk{margin-bottom:4rem}.use-cases-chalk-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;max-width:1000px;margin:0 auto}.use-case-chalk{background:#5d3a1a4d;border-left:4px solid var(--bb-yellow-accent);padding:1.5rem;border-radius:0 8px 8px 0}.use-case-emoji{font-size:2rem}.use-case-chalk h4{font-size:1.2rem;margin:.5rem 0;color:var(--bb-chalk)}.use-case-chalk p{font-size:.95rem;color:var(--bb-chalk-dim);margin:.3rem 0;font-style:italic}.use-case-chalk .solution{color:var(--bb-yellow-accent);font-style:normal;font-weight:600;margin-top:.8rem}.final-chalk-cta{text-align:center;padding:3rem 0}.final-chalk-cta h2{font-size:2rem;margin-bottom:2rem;color:var(--bb-chalk)}.btn-chalk-large{padding:1.2rem 3rem;font-size:1.4rem;font-weight:700;font-family:inherit;background:linear-gradient(135deg,#ffe259,#ff8c00);color:#2d1810;border:none;border-radius:50px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 20px #ff8c0080}.btn-chalk-large:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 6px 25px #ff8c0099}.chalk-note{margin-top:1.5rem;font-size:1rem;color:var(--bb-chalk-dim);letter-spacing:1px}.blackboard-footer{background:var(--bb-wood-dark);padding:2rem;text-align:center}.footer-chalk-tagline{font-size:1.1rem;color:var(--bb-chalk);margin-bottom:1rem}.footer-chalk-links{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:1rem}.footer-chalk-links a{color:var(--bb-chalk-dim);text-decoration:none;transition:color .3s ease}.footer-chalk-links a:hover{color:var(--bb-yellow-accent)}.footer-chalk-links span{color:var(--bb-chalk-dim)}.footer-chalk-copyright{font-size:.9rem;color:var(--bb-chalk-dim);opacity:.7}@media (max-width: 768px){.logo-text{font-size:3rem}.chalk-title{font-size:2rem}.chalk-subtitle{font-size:1.4rem;letter-spacing:2px}.chalk-description{font-size:1rem}.chalk-values{grid-template-columns:repeat(2,1fr);gap:1rem}.value-note{padding:1rem .8rem}.section-chalk-title{font-size:1.8rem}.features-chalk-grid{grid-template-columns:1fr}}@media (max-width: 480px){.logo-text{font-size:2.5rem}.chalk-title{font-size:1.6rem}.chalk-values{grid-template-columns:1fr 1fr}.btn-chalk-primary,.btn-chalk-secondary{width:100%}}.legal-page{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:2rem 1rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}.legal-container{max-width:800px;margin:0 auto;background:#fff;border-radius:12px;padding:3rem 2.5rem;box-shadow:0 20px 60px #0000004d;line-height:1.7}.legal-brand{display:flex;align-items:center;gap:.75rem;margin-bottom:1.5rem}.legal-brand-logo{width:48px;height:48px;object-fit:contain;border-radius:8px}.legal-brand-name{font-size:1.75rem;font-weight:700;color:#4f46e5;letter-spacing:-.5px}.legal-container h1{font-size:2.5rem;font-weight:700;color:#1a202c;margin-bottom:.5rem;border-bottom:3px solid #4F46E5;padding-bottom:1rem}.legal-container .last-updated{color:#718096;font-size:.9rem;margin-bottom:2rem;font-style:italic}.legal-container h2{font-size:1.75rem;font-weight:600;color:#2d3748;margin-top:2.5rem;margin-bottom:1rem;border-left:4px solid #4F46E5;padding-left:1rem}.legal-container h3{font-size:1.25rem;font-weight:600;color:#4a5568;margin-top:1.5rem;margin-bottom:.75rem}.legal-section{margin-bottom:2rem}.legal-section p{color:#4a5568;margin-bottom:1rem;font-size:1rem}.legal-section ul{margin:1rem 0;padding-left:1.5rem}.legal-section li{color:#4a5568;margin-bottom:.75rem;line-height:1.6}.legal-section li strong{color:#2d3748;font-weight:600}.legal-container a{color:#4f46e5;text-decoration:none;border-bottom:1px solid transparent;transition:all .2s ease}.legal-container a:hover{color:#6366f1;border-bottom-color:#6366f1}.legal-summary{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;padding:2rem;margin-top:3rem;color:#fff}.legal-summary h2{color:#fff;border-left:4px solid white;margin-top:0}.summary-box p{color:#fff!important;font-size:1.1rem;margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem}.summary-box p strong{color:#fff;font-weight:600}.legal-navigation{display:flex;justify-content:space-between;align-items:center;margin-top:3rem;padding-top:2rem;border-top:2px solid #e2e8f0;gap:1rem;flex-wrap:wrap}.btn-back,.btn-related{padding:.75rem 1.5rem;border-radius:8px;font-weight:500;text-decoration:none;transition:all .2s ease;border:2px solid transparent}.btn-back{background:#f7fafc;color:#4a5568;border-color:#e2e8f0}.btn-back:hover{background:#edf2f7;border-color:#cbd5e0;transform:translate(-2px)}.btn-related{background:#4f46e5;color:#fff}.btn-related:hover{background:#6366f1;transform:translate(2px)}@media (max-width: 768px){.legal-container{padding:2rem 1.5rem}.legal-container h1{font-size:2rem}.legal-container h2{font-size:1.5rem}.legal-container h3{font-size:1.1rem}.legal-navigation{flex-direction:column}.btn-back,.btn-related{width:100%;text-align:center}}.legal-section li:has(strong:first-child){display:flex;align-items:flex-start;gap:.5rem}.legal-section p strong,.legal-section li strong{background:linear-gradient(120deg,#fef3c7,#fef3c7);background-repeat:no-repeat;background-size:100% 40%;background-position:0 85%;padding:0 .2rem}code{background:#f7fafc;padding:.2rem .5rem;border-radius:4px;font-size:.9em;color:#e53e3e;font-family:Courier New,monospace}