.notification{position:fixed;top:20px;right:20px;width:359px;height:88px;background:#f5f5f5;border:1px solid #2a2b2a;border-radius:22.106px;box-shadow:0 4px 12px #00000026;z-index:1000;transform:translate(100%);opacity:0;transition:all .3s cubic-bezier(.4,0,.2,1);font-family:TeX Gyre Heros,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,"Apple Color Emoji",Arial,sans-serif,"Segoe UI Emoji",Segoe UI Symbol}.notification.visible{transform:translate(0);opacity:1}.notification.leaving{transform:translate(100%);opacity:0}.dark .notification{background:#2a2a2a;border-color:#3a3a3a}.notification-content{position:relative;padding:18px 16px;height:100%;box-sizing:border-box}.notification-text{margin:0;padding:0 33px 0 0;font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#2a2b2a;text-decoration:none}.dark .notification-text{color:#fff}.notification-link{text-decoration:underline;text-decoration-skip-ink:none;text-underline-position:from-font;cursor:pointer;color:#2a2b2a;font-weight:400}.dark .notification-link{color:#fff}.notification-link:hover{opacity:.8}.notification-close{position:absolute;top:16px;right:16px;background:none;border:none;color:#2a2b2a;cursor:pointer;padding:0;width:17px;height:17px;display:flex;align-items:center;justify-content:center;transition:all .2s;z-index:1}.dark .notification-close{color:#fff}.notification-close:hover{opacity:.6}.notification-close img{width:100%;height:100%;display:block;filter:none}.dark .notification-close img{filter:brightness(0) invert(1)}@media (max-width: 768px){.notification{top:10px;right:10px;left:10px;width:calc(100vw - 20px);max-width:359px;height:auto;min-height:88px}.notification-content{padding:18px 16px;min-height:52px}.notification-text{font-size:18px;line-height:23px;padding-right:33px}.notification-close{top:16px;right:16px;width:17px;height:17px}}@media (max-width: 480px){.notification{width:calc(100vw - 20px);min-height:80px}.notification-content{padding:16px 14px}.notification-text{font-size:16px;line-height:21px;padding-right:31px}.notification-close{top:14px;right:14px;width:16px;height:16px}}.notification:not(:first-child){margin-top:10px}@keyframes slideInFromRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideOutToRight{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}.lesson-builder-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:2000}.lesson-builder-popup{background:#fff url(/assets/home/lesson-builder-background.webp) center;border-radius:22.106px;width:1511px;max-width:1074px;height:374px;position:relative;box-shadow:0 3.158px 11.843px 3.158px #00000040;display:flex;flex-direction:column;padding:30px 40px;font-family:TeX Gyre Heros,ui-sans-serif,-apple-system,sans-serif;overflow:visible}.popup-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;flex-shrink:0}.popup-title{font-size:40px;font-weight:700;margin:0;color:#2a2b2a;line-height:1.2}.lb-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px 40px;height:100%;min-width:0}.lb-column{display:flex;flex-direction:column;justify-content:space-between;gap:15px;min-width:0}.lb-input-row{display:flex;align-items:center;justify-content:space-between;gap:15px;width:100%;position:relative}.lb-label{font-family:TeX Gyre Heros,sans-serif;font-size:24px;font-weight:400;color:#2a2b2a;flex-shrink:0;width:150px}.lb-field-container{flex:1;position:relative;min-width:0}.lb-field-container .filter-dropdown{width:100%;max-width:100%}.lb-field-container .filter-dropdown-trigger{width:100%;display:flex;justify-content:space-between;align-items:center;padding:0 15px}.lb-field-container .dropdown-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;text-align:left;margin-right:8px}.lb-field-container .filter-dropdown-content{width:100%;min-width:100%;box-sizing:border-box;left:0;transform:none;max-height:350px;overflow-y:auto;overflow-x:hidden}.filters-row{display:flex;flex-wrap:wrap;gap:8px}.lb-field-container .filter-dropdown.is-default .dropdown-label{color:#999}.lb-input{width:100%;height:40px;background:#fff;border:1px solid #2a2b2a;border-radius:23px;padding:0 20px;font-family:TeX Gyre Heros,sans-serif;font-size:16px;color:#2a2b2a;outline:none;box-sizing:border-box}.lb-input::placeholder{color:#999}.lb-input.has-error,.filter-dropdown.has-error .filter-dropdown-trigger{border-color:#f44336;box-shadow:0 0 0 1px #f44336}.lb-helper-text{font-family:TeX Gyre Heros,sans-serif;font-size:15.79px;font-weight:400;line-height:1.2;color:#999;margin:0;position:absolute;top:-25px;left:10px}.lb-helper-text.orange{color:#f26430}.lb-error-text{font-family:TeX Gyre Heros,sans-serif;font-size:14px;font-weight:400;color:#f44336;margin:5px 0 0 10px}.popup-footer{padding:0;display:flex;justify-content:flex-end;align-items:center;height:40px}.cancel-btn{background:transparent;color:#999;border:none;border-radius:14.211px;padding:12px 24px;font-family:TeX Gyre Heros,sans-serif;font-size:15.79px;cursor:pointer}.create-btn{background:#000;color:#fff;border:none;border-radius:14.211px;padding:12px 24px;font-family:TeX Gyre Heros,sans-serif;font-size:15.79px;font-weight:400;cursor:pointer;transition:all .2s ease;max-width:182px;height:30px;display:flex;align-items:center;justify-content:center}.create-btn:disabled{background:#ccc;cursor:not-allowed}.status-message{padding:16px 18px;border-radius:22.106px;margin-bottom:24px;font-size:20px}.status-message.error{background:#ffebee;border:1px solid #f44336;color:#d32f2f}.status-message.success{background:#e8f5e9;border:1px solid #43a047;color:#2e7d32}@media (max-width: 1200px){.lesson-builder-content{padding:40px 60px}}@media (max-width: 768px){.popup-title{font-size:36px}.filters-grid{grid-template-columns:1fr}.lesson-builder-content{padding:30px 20px}}.home-page{width:100%;min-height:100vh;margin:0;padding:0;background:#fff;font-family:TeX Gyre Heros,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;overflow-x:hidden;display:flex;flex-direction:column;justify-content:center;transition:transform .3s ease}.main-container{width:100%;max-width:1440px;padding:0 20px;box-sizing:border-box;display:flex;flex-direction:column;position:relative;margin:0 auto}.hero-content .main-container{height:100%;justify-content:center;align-items:center}.header{position:absolute;top:0;left:0;right:0;width:100%;z-index:100;margin:0;padding:32px 0}.header-content{display:flex;align-items:center;justify-content:space-between;width:100%}.header-logo{position:relative;width:166.203px;height:51.426px;flex-shrink:0}.logo-group{position:relative;width:100%;height:100%;z-index:1}.logo-chiils-img{position:relative;height:100%;width:100%;display:block;z-index:2}.nav-links{display:flex;gap:120px;align-items:center;justify-content:center;flex:1}.nav-link{position:relative;font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#fff;text-decoration:none;white-space:nowrap}.nav-link:hover{text-decoration:underline}.header-buttons{position:relative;display:flex;justify-content:flex-end;align-items:center;gap:15px;flex-shrink:0}.sign-up-btn{background:transparent;border:1px solid white;border-radius:18px;padding:4px 39px;height:33px;width:auto;min-width:156px;font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#fff;cursor:pointer;white-space:nowrap;transition:all .3s ease;margin:0;display:flex;align-items:center;justify-content:center}.sign-up-btn:hover{background:#fff;border-color:#000;color:#000}.sign-in-btn{background:transparent;border:1px solid white;border-radius:18px;padding:4px 32px;height:33px;width:auto;min-width:153px;font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#fff;cursor:pointer;white-space:nowrap;transition:all .3s ease;margin:0;display:flex;align-items:center;justify-content:center}.sign-in-btn:hover{background:#fff;border-color:#000;color:#000}.hero-section{position:relative;width:100%;height:900px;overflow:hidden;margin-top:0;display:flex;flex-direction:column;justify-content:center}.about-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:-1;overflow:hidden}.about-background img{width:100%;height:100%;object-fit:cover}.hero-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;overflow:hidden}.hero-image{width:100%;height:100%;object-fit:cover;object-position:center center;display:block}.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;opacity:.5;z-index:2}.hero-content{position:relative;z-index:3;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center}.hero-title-row{display:grid;flex-direction:column;gap:20px;width:100%;margin-bottom:200px}.hero-title{font-family:TeX Gyre Heros,sans-serif;font-size:40px;font-weight:700;line-height:50px;color:#fff;margin:0;padding:0;text-align:left;width:100%}.hero-subtitle-lines{display:flex;flex-direction:column;gap:0;width:100%;max-width:405px}.hero-subtitle-line{font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#fff;margin:0;text-align:left}.first-lesson-btn{background:#fff;border:1px solid black;border-radius:18px;padding:10px 40px;height:37px;width:325px;font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#000;cursor:pointer;white-space:nowrap;transition:all .3s ease;display:flex;align-items:center;justify-content:center;margin:0;flex-shrink:0}.first-lesson-btn:hover{background:transparent;color:#fff;border-color:#fff}.community-lessons-btn{background:transparent;border:1px solid white;border-radius:18px;padding:10px 40px;height:37px;width:325px;font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;white-space:nowrap;transition:all .3s ease;margin:0;flex-shrink:0}.community-lessons-btn:hover{background:#fff;color:#000;border-color:#000}.hero-buttons{display:flex;flex-direction:column;gap:18px;align-items:flex-end;position:absolute;bottom:35px;right:20px;width:auto}.features-cards-section{position:relative;width:100%;display:flex;flex-direction:column;align-items:center;gap:60px;padding:44px 0;max-width:100%;margin:0;z-index:3;background-image:url(/assets/home/about-hero-background.png);background-size:cover;background-position:center;background-repeat:no-repeat;min-height:1400px;box-sizing:border-box}.video-demo-placeholder{width:100%;height:648px;background:#f5f5f5;border:1px solid rgba(255,255,255,.23);border-radius:22px;display:flex;align-items:center;justify-content:center;margin-top:30px;max-width:100%}.video-demo-text{font-family:TeX Gyre Heros,sans-serif;font-size:40px;color:#a5a5a5;text-align:center}.focus-on-teaching-title{font-family:TeX Gyre Heros,sans-serif;font-size:40px;font-weight:700;line-height:50px;color:#fff;text-align:left;width:100%;padding:60px 0;margin:0}.features-cards-container{display:flex;flex-direction:row;gap:14px;width:100%;align-items:flex-start;flex-wrap:wrap;justify-content:space-between}.feature-card-small{background:#00000080;box-shadow:0 4px 20px #00000040;-webkit-backdrop-filter:blur(0px);backdrop-filter:blur(0px);border:1px solid rgba(255,255,255,.01);border-radius:22.106px;padding:30px;width:calc(33.33% - 10px);min-width:300px;height:420px;box-sizing:border-box;position:relative;display:flex;flex-direction:column;flex:1;transition:transform .3s ease}.feature-card-small:hover{transform:translateY(-20px)}.feature-card-large{background:#00000080;box-shadow:0 4px 20px #00000040;-webkit-backdrop-filter:blur(0px);backdrop-filter:blur(0px);border:1px solid rgba(255,255,255,.01);border-radius:22.106px;padding:30px;width:calc(66.66% - 10px);min-width:300px;height:420px;box-sizing:border-box;position:relative;display:flex;flex-direction:column;justify-content:flex-end;flex:2;transition:transform .3s ease}.feature-card-large:hover{transform:translateY(-20px)}.feature-icon-wrapper{display:flex;align-items:center;justify-content:flex-start;z-index:1;align-self:flex-end}.feature-large-card-icon-wrapper{display:flex;align-items:self-start;justify-content:space-between;z-index:1;align-self:stretch}.feature-icon-img,.feature-icon-img-large{width:105px;height:103px;display:block;object-fit:contain}.feature-card-title{font-family:TeX Gyre Heros,sans-serif;font-size:24px;font-weight:400;line-height:normal;color:#fff;margin:0 0 15px;text-align:left;position:relative;z-index:2}.feature-card-divider{width:100%;height:1px;background:#fff3;margin:0 0 15px;position:relative;z-index:2}.feature-card-text{font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#fff;margin:0;text-align:left;position:relative;z-index:2;flex:1}.feature-card-small .feature-card-text{padding-bottom:20px}.feature-card-large .feature-card-text{padding-right:0;padding-bottom:20px;max-width:100%}.create-first-lesson-btn{background:transparent;border:1px solid white;border-radius:18px;padding:6px 20px;width:320px;height:42px;font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;color:#fff;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;z-index:2;align-self:flex-end}.create-first-lesson-btn:hover{background:#fff;border-color:#000;color:#000}.about-content{max-width:479px;width:100%;position:relative;z-index:3;display:flex;flex-direction:column;align-items:flex-end;flex-shrink:0}.about-content-wrapper{max-width:479px;width:100%;display:flex;flex-direction:column;align-items:flex-start}.section-title{font-family:TeX Gyre Heros,sans-serif;font-size:40px;font-weight:700;line-height:50px;color:#fff;margin:0 0 30px;text-align:left;width:100%;align-self:flex-start}.about-text-container{display:flex;flex-direction:column;width:100%;align-self:flex-start;margin-bottom:30px}.about-text{font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#fff;margin:0 0 20px;text-align:left}.about-text:last-child{margin-bottom:0}.about-content .create-first-lesson{margin-top:0;align-self:flex-start}.tools-section{position:relative;width:100%;padding:80px 0 75px;max-width:100%;margin:0;background:#fff;z-index:2;display:flex;flex-direction:column;gap:40px;box-sizing:border-box;overflow:visible;min-height:1000px}.tools-section-title{font-family:TeX Gyre Heros,sans-serif;font-size:40px;font-weight:700;line-height:50px;color:#2a2b2a;margin:0 0 20px;text-align:left;width:100%}.tools-container{display:flex;flex-direction:column;gap:20px;width:100%}.tool-card-large{background:#fff;border-radius:22.106px;padding:0;width:100%;height:373px;box-shadow:0 4px 20px #00000040;position:relative;display:flex;flex-direction:row;overflow:hidden}.tool-card-large:nth-child(1),.tool-card-large:nth-child(2){background:#fff}.tool-card-large:nth-child(1) .tool-card-content{background-image:url(/assets/home/open-library-background.png);background-size:cover;background-position:center;background-repeat:no-repeat}.tool-card-large:nth-child(2) .tool-card-content{background-image:url(/assets/home/lesson-builder-background.png);background-size:cover;background-position:center;background-repeat:no-repeat}.tool-card-content{flex:0 0 540px;padding:30px;display:flex;flex-direction:column;position:relative;z-index:2}.tool-card-large h3{font-family:TeX Gyre Heros,sans-serif;font-size:24px;font-weight:400;line-height:normal;color:#2a2b2a;margin:0 0 15px;padding-bottom:0;border-bottom:none;position:relative;z-index:2}.tool-card-divider{width:453px;height:1px;background:#000;margin:0 0 15px;position:relative;z-index:2}.tool-card-description{font-family:TeX Gyre Heros,sans-serif;font-size:24px;font-weight:400;line-height:normal;color:#2a2b2a;margin:0;max-width:460px}.tool-card-arrow-btn{width:49px;height:49px;background:#2a2b2a;border:none;border-radius:50%;padding:0;cursor:pointer;z-index:2;display:flex;align-items:center;justify-content:center;transition:all .3s ease;font-family:TeX Gyre Heros,sans-serif;font-size:24px;color:#fff;line-height:1;margin-top:50px;align-self:flex-start}.tool-card-arrow-btn:hover{background:#404040;transform:scale(1.05)}.tool-card-image-placeholder{flex:1;background:#d9d9d9;margin:0;border-radius:0;display:flex;align-items:center;justify-content:center;color:#999;font-family:TeX Gyre Heros,sans-serif;font-size:20px}.video-description{font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#2a2b2a;margin:0;max-width:479px}.pricing-section{position:relative;width:100%;min-height:800px;z-index:2;display:flex;justify-content:center;padding:80px 0;box-sizing:border-box}.pricing-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1}.pricing-background img{width:100%;height:100%;object-fit:cover}.pricing-content{position:relative;z-index:2;width:100%;max-width:1440px;display:flex;flex-direction:column;gap:60px}.pricing-header{position:relative;z-index:2;width:100%;max-width:1440px;display:flex;flex-direction:column;gap:20px}.pricing-title{font-family:TeX Gyre Heros,sans-serif;font-size:40px;font-weight:700;line-height:50px;color:#fff;margin:0}.pricing-text{font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#fff;margin:0}.pricing-cards{display:flex;flex-direction:row;gap:20px;justify-content:space-between;width:100%;flex-wrap:wrap}.pricing-card{width:calc(25% - 15px);min-width:280px;height:439px;border-radius:22.106px;padding:23px;box-sizing:border-box;display:flex;flex-direction:column;position:relative;-webkit-backdrop-filter:blur(0px);backdrop-filter:blur(0px);border:2px solid transparent;transition:border-color .2s;flex-grow:1}.pricing-card:hover{transition:transform .3s ease;transform:translateY(-20px)}.pricing-card:nth-child(1){position:relative;overflow:hidden}.pricing-card:nth-child(1):before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#ffffff80;opacity:.5;z-index:0}.pricing-card:nth-child(1)>*{position:relative;z-index:1}.pricing-card:nth-child(n+2){background:#2a2b2a80;box-shadow:0 4px 20px #00000040}.pricing-card:nth-child(n+1) h3,.pricing-card:nth-child(n+1) .price,.pricing-card:nth-child(n+1) .price span,.pricing-card:nth-child(n+1) .price-features li{color:#fff}.pricing-card:nth-child(n+1) .pricing-divider{background:#fff3}.pricing-card:hover{border-color:#fff}.pricing-card h3{font-family:TeX Gyre Heros,sans-serif;font-size:24px;font-weight:400;margin:0 0 15px}.pricing-divider{width:100%;height:1px;margin-bottom:15px}.recommended-header{display:flex;justify-content:space-between;align-items:center}.recommended{font-family:TeX Gyre Heros,sans-serif;font-size:16px;font-weight:400;line-height:25px;color:#fff;margin:0 0 15px}.price{font-family:TeX Gyre Heros,sans-serif;font-size:80px;font-weight:700;line-height:18.566px;margin:20px 0 30px;display:flex;align-items:baseline;gap:5px}.price span{font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px}.price-features{list-style:none;padding:0;margin:0;flex:1}.price-features li{list-style:none;font-family:TeX Gyre Heros,sans-serif;font-size:16px;font-weight:400;line-height:20px;margin-bottom:10px;position:relative;padding-left:30px}.price-features li:before{content:"";position:absolute;left:0;top:0;width:20px;height:20px;-webkit-mask:url(/assets/home/pop-up/check-mark.svg) no-repeat center;mask:url(/assets/home/pop-up/check-mark.svg) no-repeat center;-webkit-mask-size:contain;mask-size:contain;background-color:#fff}.get-started-btn{height:33px;border-radius:18px;border:none;display:flex;align-items:center;justify-content:center;padding:0 20px;cursor:pointer;margin-top:auto;font-family:TeX Gyre Heros,sans-serif;font-size:20px}.pricing-card:nth-child(n+1) .get-started-btn{background:#fff;border:1px solid black;color:#2a2b2a}.pricing-card:nth-child(n+1) .get-started-btn:hover{background:transparent;color:#fff;border-color:#fff}.btn-icon{width:24px;height:24px}.faq-section{position:relative;width:100%;padding:80px 0;max-width:100%;margin:0 auto;z-index:2}.faq-section-header{display:flex;flex-direction:row;align-items:flex-start;gap:120px;margin-bottom:40px;width:100%}.faq-section-left{flex:0 0 340px;max-width:340px}.faq-section .section-title{color:#2a2b2a;margin:0 0 20px}.faq-intro{font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#2a2b2a;margin:0}.faq-grid{display:flex;flex-direction:column;gap:25px;flex:1;margin-right:0}.faq-card{background:#fff;border:1px solid rgba(255,255,255,.23);border-radius:22.106px;padding:24px;display:flex;gap:20px;min-height:180px;box-shadow:0 4px 20px #00000040;transition:transform .3s ease}.faq-card:hover{transform:translate(-100px)}.faq-profile-image{flex-shrink:0;width:135px;height:135px;border-radius:50%;overflow:hidden}.faq-profile-image img{width:100%;height:100%;object-fit:cover}.faq-content{flex:1}.faq-card h3{font-family:TeX Gyre Heros,sans-serif;font-size:24px;font-weight:400;line-height:normal;color:#2a2b2a;margin:0 0 15px}.faq-answer{background:#f5f5f5;border-radius:22px;padding:20px;min-height:87px}.faq-answer p{font-family:TeX Gyre Heros,sans-serif;font-size:15.79px;font-weight:400;line-height:19.738px;color:#2a2b2a;margin:0}@media (max-width: 768px){.header{flex-direction:column;gap:20px;padding:20px}.nav-links{position:static;transform:none;flex-wrap:wrap;justify-content:center;width:100%;gap:20px}.hero-section{height:600px}.hero-content{padding:0 20px 40px}.hero-title-row{flex-direction:column;gap:20px}.hero-title{font-size:48px;line-height:56px}.hero-subtitle-lines{align-self:flex-start;padding-top:0}.hero-subtitle-line{font-size:20px}.first-lesson-btn{align-self:flex-start}.features-cards-section{padding:20px;left:0;width:100%}.features-cards-container{flex-direction:column;width:100%}.feature-card-small,.feature-card-large{width:100%;min-width:100%;padding:20px}.feature-card-small .feature-card-text,.feature-card-large .feature-card-text{padding-right:0;padding-bottom:20px}.feature-icon-img,.feature-icon-img-large{width:80px;height:auto;max-width:100%}.feature-icon-wrapper{bottom:20px;right:20px}.about-content{align-items:flex-start;width:100%;max-width:100%;margin-top:30px}.about-content-wrapper{max-width:100%}.section-title{font-size:32px;line-height:40px}.pricing-card{width:100%}.faq-grid{margin-left:0}}.cta-section{position:relative;width:100%;min-height:789px;padding:0;margin-top:0;overflow:hidden;z-index:2;display:flex;flex-direction:column}.cta-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1}.cta-background img{width:100%;height:100%;object-fit:cover;object-position:center}.cta-content{position:relative;z-index:2;padding:59px 0 40px;width:100%;height:100%;display:flex;flex-direction:column;box-sizing:border-box;flex-grow:1}.cta-title{font-family:TeX Gyre Heros,sans-serif;font-size:80px;font-weight:700;line-height:85px;color:#fff;margin:0 0 30px;max-width:1187px}.cta-bottom-bar{position:absolute;bottom:0;left:0;width:100%;height:227px;display:flex;justify-content:center;padding:0;box-sizing:border-box;z-index:5}.cta-bottom-bar:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#000;opacity:.52;-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);z-index:-1}.cta-bar-inner{width:100%;max-width:1280px;padding:0 20px;box-sizing:border-box;display:flex;flex-direction:column;align-items:flex-end;justify-content:center;height:100%}.cta-text-group{display:flex;flex-direction:column;align-items:flex-start;gap:5px;width:fit-content}.cta-text-group p{font-family:TeX Gyre Heros,sans-serif;font-size:24px;font-weight:400;line-height:normal;color:#fff;margin:0;text-align:left}.cta-button{background:#fff;border:1px solid black;border-radius:18px;padding:10px 40px;height:38px;font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#2a2b2a;cursor:pointer;white-space:nowrap;transition:all .3s ease;display:flex;align-items:center;justify-content:center;margin-top:20px;width:325px;box-sizing:border-box}.cta-button:hover{background:transparent;color:#fff;border-color:#fff}.compare-plan-btn{background:transparent;border:1px solid black;border-radius:18px;padding:10px 40px;height:38px;font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#000;cursor:pointer;white-space:nowrap;transition:all .3s ease;margin:40px auto 0;display:flex;align-items:center;justify-content:center;width:325px}.compare-plan-btn:hover{background:#fff;border-color:#000}.footer{position:relative;width:100%;z-index:10;background:#fff}@media (max-width: 1200px){.tools-cards-group{flex-direction:column;width:100%}.tool-card{width:100%;max-width:100%}.stay-tuned-card{width:100%;max-width:100%;margin-left:0}.tool-icon-wrapper{bottom:20px;right:20px}.tool-icon-img{width:80px;height:auto;max-width:100%}.pricing-cards{flex-direction:column}.pricing-card{width:100%}.faq-grid{margin-left:0}}@media (max-width: 768px){.header{padding:20px 0}.header-content{flex-direction:column;gap:20px}.nav-links{position:static;transform:none;flex-wrap:wrap;justify-content:center;width:100%;gap:20px}.header-buttons{width:100%;justify-content:center}.hero-section{height:auto;min-height:600px}.hero-content{padding:40px 0}.hero-title-row{flex-direction:column;gap:20px;margin-bottom:20px}.hero-title{font-size:48px;line-height:56px}.hero-subtitle-lines{align-self:flex-start;padding-top:0}.hero-subtitle-line{font-size:20px}.first-lesson-btn{align-self:flex-start;width:100%}.community-lessons-btn{width:100%}.hero-buttons{width:100%;align-items:center;position:relative;bottom:auto;right:auto;margin-top:20px}.features-cards-section{padding:20px 0}.features-cards-container{flex-direction:column;width:100%}.feature-card-small,.feature-card-large{width:100%;min-width:100%;padding:20px}.feature-card-small .feature-card-text,.feature-card-large .feature-card-text{padding-right:0;padding-bottom:20px}.feature-icon-img,.feature-icon-img-large{width:80px;height:auto;max-width:100%}.feature-icon-wrapper{bottom:20px;right:20px}.about-content{align-items:flex-start;width:100%;max-width:100%;margin-top:30px}.about-content-wrapper{max-width:100%}.section-title{font-size:32px;line-height:40px}.pricing-card{width:100%}.pricing-cards{gap:20px}.faq-section-header{flex-direction:column}.faq-section-left{max-width:100%;flex:none}.faq-grid{margin-left:0}.cta-title{font-size:40px;line-height:48px}.cta-bottom-bar{height:auto;padding:40px 0;position:relative}.cta-bar-inner{align-items:center;text-align:center}.cta-text-group{align-items:center}.cta-text-group p{text-align:center}.cta-button{width:100%}}.figma-footer{width:100%;margin-left:0;height:356px;background:#2a2b2a;position:relative;left:0;z-index:1100;overflow:hidden}.footer-background{position:relative;width:100%;height:100%;background:#2a2b2a;display:flex;flex-direction:column;padding:20px;box-sizing:border-box}.footer-bottom-section{position:absolute;left:40px;right:25px;bottom:50px;display:flex;align-items:flex-end;justify-content:space-between;height:89px}.footer-email-container{position:absolute;left:40px;top:33px}.email-pill{background:#f5f5f5;border-radius:18px;padding:8px 29px;height:33px;display:flex;align-items:center;justify-content:center;width:209px}.email-text{font-family:TeX Gyre Heros,sans-serif;font-size:16px;font-weight:400;line-height:20px;color:#2a2b2a}.footer-bottom-links{position:relative;left:auto;top:auto;display:flex;flex-direction:column;gap:13px;align-items:flex-start;justify-content:flex-start;margin-bottom:1px}.copyright-text{font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;color:#fff;text-align:left;white-space:nowrap}.footer-bottom-item{color:#fff;text-decoration:none;font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;transition:color .2s ease;white-space:nowrap;display:block;text-align:left}.footer-bottom-item:hover{color:#f0f0f0}.footer-logo-container{position:relative;left:auto;top:auto;width:312.21px;height:89px;display:flex;align-items:center;justify-content:center;margin-right:0}.footer-logo-svg{width:100%;height:100%;object-fit:contain;display:block}@media (max-width: 768px){.figma-footer{width:100%}}@media (min-width: 1200px){.footer-logo-container{width:280px;height:80px;margin-right:20px}}@media (max-width: 1199px) and (min-width: 1024px){.footer-nav-links{left:250px}.footer-logo-container{width:250px;height:71px;margin-right:15px}.footer-bottom-section{left:15px;right:15px}}@media (max-width: 1023px) and (min-width: 768px){.figma-footer{height:auto;min-height:220px}.footer-background{padding:15px}.footer-email-container{position:relative;left:auto;top:auto;display:flex;justify-content:center;margin-bottom:15px}.footer-bottom-section{position:relative;left:auto;right:auto;bottom:auto;flex-direction:column;align-items:center;gap:15px;height:auto;margin-top:auto}.footer-bottom-links{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:20px}.footer-logo-container{width:200px;height:57px;margin-right:0}.copyright-text,.footer-bottom-item{font-size:18px}.email-text{font-size:15px}}@media (max-width: 767px) and (min-width: 481px){.figma-footer{height:auto;min-height:200px}.footer-background{padding:15px}.footer-email-container{position:relative;left:auto;top:auto;display:flex;justify-content:center;margin-bottom:15px}.footer-bottom-section{position:relative;left:auto;right:auto;bottom:auto;flex-direction:column;align-items:center;gap:12px;height:auto;margin-top:auto}.footer-bottom-links{flex-direction:column;align-items:center;gap:8px}.footer-logo-container{width:150px;height:43px;margin-right:0}.copyright-text,.footer-bottom-item{font-size:16px}.email-text{font-size:14px}.email-pill{width:180px;height:30px;padding:6px 20px}}@media (max-width: 480px){.figma-footer{height:auto;min-height:180px}.footer-background{padding:12px}.footer-email-container{position:relative;left:auto;top:auto;display:flex;justify-content:center;margin-bottom:12px}.footer-bottom-section{position:relative;left:auto;right:auto;bottom:auto;flex-direction:column;align-items:center;gap:10px;height:auto;margin-top:auto}.footer-bottom-links{flex-direction:column;align-items:center;gap:6px}.footer-logo-container{width:120px;height:34px;margin-right:0}.copyright-text,.footer-bottom-item{font-size:14px;text-align:center}.email-text{font-size:12px}.email-pill{width:160px;height:28px;padding:5px 15px}}@media (max-width: 320px){.figma-footer{min-height:160px}.footer-background{padding:10px}.footer-email-container{margin-bottom:10px}.footer-bottom-section{gap:8px}.footer-bottom-links{gap:4px}.footer-logo-container{width:100px;height:28px}.copyright-text,.footer-bottom-item{font-size:12px}.email-text{font-size:11px}.email-pill{width:140px;height:24px;padding:4px 12px}}@media (max-width: 768px) and (orientation: landscape){.figma-footer{min-height:140px}.footer-background{padding:10px}.footer-bottom-section{flex-direction:row;justify-content:space-between;align-items:center;gap:15px}.footer-bottom-links{flex-direction:row;flex-wrap:wrap;gap:15px}.footer-logo-container{width:120px;height:34px}}.compare-popup-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.compare-popup-content{background-color:#fff;border-radius:22px;padding:40px 40px 15px;width:90%;max-width:1100px;max-height:90vh;overflow-y:auto;position:relative;box-shadow:0 4px 20px #00000026}.compare-table-container{display:flex;flex-direction:column;gap:0;position:relative}.column-highlight-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr 1fr;pointer-events:none;z-index:10;padding:0 15px}.overlay-col{height:100%;border-radius:12px;transition:background-color .2s ease}.overlay-col.col-highlighted{border:2px solid black;border-radius:20px}.compare-row{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr 1fr;border-radius:22px;background:#f5f5f5;align-items:center;margin-bottom:10px;padding:15px;border-bottom:1px solid #eee}.compare-row.header-row{background-color:#fff;border-bottom:none;align-items:flex-start}.compare-cell{text-align:center;font-family:TeX Gyre Heros,sans-serif;font-size:16px;color:#222}.font-color-grey{color:#575857}.font-color-orange{color:#f26430}.feature-name{text-align:left;font-weight:700;display:flex;align-items:center;gap:8px;padding-left:20px;position:relative}.feature-description{font-size:12px;color:#f26430;font-weight:400;margin-top:4px;line-height:1.4;max-width:160px}.plan-header{display:flex;flex-direction:column;gap:5px}.plan-name,.plan-price{font-weight:700;font-size:18px}.info-icon{display:inline-flex;justify-content:center;align-items:center;width:20px;height:20px;border-radius:50%;background-color:transparent;border:1px solid black;color:#000;font-size:12px;cursor:help;position:absolute;left:230px;top:50%;transform:translateY(-50%)}.recommended-plan{position:relative}.recommended-badge{position:absolute;top:-25px;left:50%;transform:translate(-50%);background-color:#000;color:#fff;font-size:12px;padding:4px 8px;border-radius:12px;white-space:nowrap}.compare-popup-footer{display:flex;justify-content:center;margin-top:30px;padding-bottom:0}.got-it-btn{background-color:#2a2b2a;color:#fff;border:none;border-radius:18px;padding:8px 32px;font-size:16px;font-weight:400;cursor:pointer;transition:background-color .2s;height:37px;display:flex;align-items:center;justify-content:center}.got-it-btn:hover{background-color:#444}:root{--rt-text: #2a2b2a;--rt-text-muted: #999999;--rt-bg: #ffffff;--rt-bg-subtle: #f7f6f3;--rt-border: #e9e9e7;--rt-accent: #f26430;--rt-accent-contrast: #ffffff;--sidebar-width: 180px}.open-library-page *{max-width:100%}.open-library-page{flex:1;display:flex;flex-direction:column;background:#fff;padding:40px 50px 120px;min-height:100vh;width:100%;max-width:100%;margin-right:auto;box-sizing:border-box;font-family:TeX Gyre Heros,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;color:var(--rt-text);overflow:visible}.open-library-header{margin-bottom:3rem;text-align:left;display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.lesson-builder-button{width:63px;height:40px;background-color:#fff;border-radius:22.106px;border:1px solid #000;cursor:pointer;display:flex;align-items:center;justify-content:flex-end;padding-right:14px;padding-left:14px;transition:width .3s ease,gap .3s ease,background-color .2s ease,transform .2s ease;overflow:hidden;gap:0}.lesson-builder-button:hover{width:195px;background-color:#f9f9f9;transform:translateY(-2px);gap:12px}.lesson-builder-button.expanded{width:195px;background-color:#f9f9f9;gap:12px}.lesson-builder-button svg{width:34px;height:34px;flex-shrink:0;filter:grayscale(100%) brightness(0);animation:rotate360 15s linear infinite}@keyframes rotate360{0%{transform:rotate(0)}6.67%{transform:rotate(360deg)}to{transform:rotate(360deg)}}.button-text{font-family:TeX Gyre Heros,sans-serif;font-size:16px;font-weight:400;color:#000;opacity:0;max-width:0;white-space:nowrap;transition:opacity .3s ease,max-width .3s ease}.lesson-builder-button:hover .button-text,.lesson-builder-button.expanded .button-text{opacity:1;max-width:120px}.open-library-header h1{font-size:48px;font-weight:700;margin-bottom:16px;color:var(--rt-text);line-height:1.2}.header-description{font-family:TeX Gyre Heros,sans-serif;color:#999;font-size:20px;font-weight:400;line-height:25px;margin:0}.open-library-content{width:100%;margin:0;padding:0}.main-content-container{position:relative;width:100%;max-width:100%;margin:0 0 60px;background:var(--rt-bg);border-radius:22px;box-shadow:0 3.158px 11.843px 3.158px #00000040;border:1px solid var(--rt-border);padding:36px 24px;min-height:1189px;box-sizing:border-box;overflow:visible}.search-section{margin-bottom:36px;margin-top:0}.search-header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:10px}.search-input{flex:1;padding:0;font-size:24px;font-family:TeX Gyre Heros,sans-serif;font-weight:400;color:var(--rt-text);border:none;background:transparent;transition:border-color .2s ease;margin-bottom:0;width:100%}.search-input-wrapper{flex:1;max-width:350px;display:flex;align-items:center;gap:12px;position:relative}.search-help-icon{display:inline-flex;justify-content:center;align-items:center;width:20px;height:20px;border-radius:50%;background-color:transparent;font-family:TeX Gyre Heros,sans-serif;border:1px solid black;color:#000;font-size:12px;cursor:help;flex-shrink:0;-webkit-user-select:none;user-select:none}.search-input::placeholder{color:#000}.my-lessons-button{font-family:TeX Gyre Heros,sans-serif;font-size:14px;font-weight:400;padding:8px 16px;background:var(--rt-bg);color:var(--rt-text);border:1px solid var(--rt-border);border-radius:18px;cursor:pointer;transition:all .2s ease;white-space:nowrap;text-align:center;margin-bottom:0;height:33px;min-width:250px;max-width:250px;width:250px}.my-lessons-button:hover{border-color:var(--rt-accent);transform:translateY(-1px)}.my-lessons-button.active{background:var(--rt-accent);color:var(--rt-bg);border-color:var(--rt-accent)}.search-description{margin:0;font-size:20px;color:var(--rt-text-muted);line-height:25px;width:100%;max-width:800px}.search-description.active{font-size:15.79px;color:#f26430;font-weight:400;line-height:1.4;max-width:100%}.filters-section{width:100%;margin:0 0 32px;padding-right:75px}.filters-container{display:flex;flex-direction:row;flex-wrap:wrap;gap:32px;width:100%;align-items:flex-start;justify-content:space-between}.filters-left{display:flex;flex-direction:column;gap:24px;align-items:flex-start}.filters-right{display:flex;flex-direction:column;gap:24px;align-items:flex-end}.filter-group{display:flex;flex-direction:row;align-items:center;gap:12px}.filter-group-label{font-family:TeX Gyre Heros,sans-serif;font-size:24px;font-weight:400;color:#000;width:150px}.filter-dropdown{position:relative;display:inline-block;width:345px;z-index:auto}.filter-dropdown.open{z-index:3000}.filter-dropdown.is-default .filter-dropdown-trigger{color:#999}.filter-dropdown.disabled{cursor:not-allowed}.filter-dropdown.disabled .filter-dropdown-trigger{cursor:not-allowed;background:#fff}.grammar-warning-text{color:#f26430;font-size:15.79px;line-height:1.2;white-space:nowrap;position:absolute;top:-25px;left:170px}.filter-dropdown-trigger{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#fff;border:1px solid #000;border-radius:22.106px;cursor:pointer;height:40px;width:100%;transition:all .2s ease;font-family:TeX Gyre Heros,sans-serif;justify-content:space-between;font-size:16px;color:var(--rt-text);position:relative;z-index:2001}.filter-dropdown.open .filter-dropdown-trigger{border-bottom:1px solid #000;border-radius:22.106px;padding-bottom:8px}.filter-dropdown-trigger:hover{background:#f9f9f9}.dropdown-arrow{display:flex;align-items:center;transition:transform .2s ease;flex-shrink:0}.dropdown-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0;text-align:left;margin-right:12px}.filter-dropdown.open .dropdown-arrow{transform:rotate(180deg)}.filter-dropdown-content{position:absolute;top:50%;left:50%;transform:translate(-50%);margin-top:0;background:#fff;border:1px solid #000000;border-bottom-left-radius:22px;border-bottom-right-radius:22px;border-top:none;box-shadow:none;padding:36px 16px 16px;z-index:2000;width:345px}.filters-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:flex-start;width:100%}.topics-grid{grid-template-columns:repeat(2,1fr);gap:12px}.filter-pill{display:inline-flex;align-items:center;justify-content:center;gap:5px;font-size:15.79px;background:#fff;cursor:pointer;transition:all .2s ease;-webkit-user-select:none;user-select:none}.filter-pill.active,.filter-pill.active .filter-text,.filter-pill.active .filter-icon{color:#999}.filter-icon{display:flex;align-items:center;justify-content:center;width:18px;height:18px;color:inherit}.lessons-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;width:100%;max-width:100%}.lesson-card{width:100%;min-width:0;background:#f5f5f5;border-radius:22px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;cursor:pointer;position:relative;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;display:flex;flex-direction:column}.lesson-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00000026}.lesson-card:focus{outline:2px solid var(--rt-accent);outline-offset:2px}.lesson-card:active{transform:translateY(0)}.lesson-thumbnail{flex-shrink:0;aspect-ratio:16 / 9;overflow:hidden;background:var(--rt-bg-subtle);border-radius:22px 22px 0 0}.thumbnail-image{width:100%;height:100%;object-fit:cover;object-position:center}.lesson-info{flex:0 1 auto;display:flex;flex-direction:column;padding:12px;min-height:0;gap:6px;overflow:hidden;justify-content:flex-start}.lesson-card .lesson-title{font-family:TeX Gyre Heros,sans-serif;font-size:15px;font-weight:700;line-height:18px;color:var(--rt-text);margin:0;padding:0;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}.lesson-meta{display:flex;flex-direction:column;gap:5px;margin-bottom:0;flex:0 0 auto;overflow:hidden;justify-content:flex-start}.lesson-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:0;flex-shrink:0}.tag{display:inline-flex;align-items:center;padding:0;border-radius:0;font-size:10px;font-weight:400;line-height:normal;color:var(--rt-accent);background:transparent;border:none;font-family:TeX Gyre Heros,sans-serif;white-space:nowrap}.tag.language,.tag.level,.tag.grammar{color:var(--rt-accent)}.lesson-topics{display:flex;flex-wrap:wrap;gap:8px}.topic-tag{display:inline-flex;align-items:center;padding:0;border-radius:0;font-size:10px;font-weight:400;line-height:normal;color:var(--rt-accent);background:transparent;border:none;font-family:TeX Gyre Heros,sans-serif;white-space:nowrap}.loading-container,.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;text-align:center;background:var(--rt-bg);border-radius:22px;padding:60px 20px}.loading-spinner{width:32px;height:32px;border:3px solid #e9e9e7;border-top:3px solid var(--rt-accent);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:12px}.loading-container p,.error-container p{color:var(--rt-text-muted);font-size:15px;margin:0}.error-container h2{color:var(--rt-text);margin-bottom:12px;font-size:24px;font-weight:600}.no-results{background:var(--rt-bg);padding:40px;border-radius:22px;text-align:center;box-shadow:0 3.158px 11.843px 3.158px #00000040;border:1px solid var(--rt-border)}.no-results p{color:var(--rt-text-muted);font-size:18px;margin:0}@media (max-width: 1439px) and (min-width: 1200px){.filters-section{padding:20px 0;margin-bottom:28px}.filters-container{padding:0 40px 0 20px}.filter-options-row{gap:24px;justify-content:center;justify-items:center}.filter-options-group{max-width:100%}.language-option,.level-option{width:100px;min-width:100px}.topic-option{min-width:180px;max-width:180px;width:180px}.style-option{width:120px;min-width:120px}.topic-options{width:360px;max-width:360px}.topic-options .topic-option{width:180px;min-width:180px}.my-lessons-button{min-width:180px;max-width:180px;width:180px}}@media (max-width: 1199px) and (min-width: 1024px){.filters-section{padding:16px 0;margin-bottom:24px}.filters-container{padding:0 30px 0 15px}.filter-options-row{gap:20px;justify-content:center;justify-items:center}.filter-options-group{max-width:100%}.language-option,.level-option{width:90px;min-width:90px}.topic-option{min-width:160px;max-width:160px;width:160px}.style-option{width:110px;min-width:110px}.topic-options{width:320px;max-width:320px}.topic-options .topic-option{width:160px;min-width:160px}.lessons-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.lesson-card{width:100%}.my-lessons-button{min-width:160px;max-width:160px;width:160px}}@media (max-width: 1400px) and (min-width: 1200px){.open-library-page{padding:40px 50px 120px}.main-content-container{margin:0;padding:32px 24px}.lessons-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}.lesson-card{width:100%}.lesson-info{padding:10px}.lesson-card .lesson-title{font-size:13px!important;line-height:15px!important}.tag,.topic-tag{font-size:11px}}@media (max-width: 1023px) and (min-width: 769px){.open-library-page{margin-left:0;width:100%;max-width:100vw;padding:20px 20px 100px}.open-library-header h1{font-size:40px}.header-description{font-size:19px;line-height:23px}.search-header{gap:16px}.my-lessons-button{font-size:13px;padding:8px 16px;min-width:220px;max-width:220px;width:220px}.filters-section{padding:20px 0;margin-bottom:28px}.filters-container{padding:0 20px}.filter-titles-row{gap:24px;margin-bottom:14px;grid-template-columns:1fr 1fr 1fr 1fr}.filter-options-row{gap:24px;grid-template-columns:1fr 1fr 1fr 1fr}.filter-option{font-size:13px;padding:7px 14px}.language-option,.level-option{width:120px;min-width:120px;height:30px}.topic-option{min-width:220px;max-width:220px;height:30px;padding:7px 14px;width:220px}.style-option{width:140px;min-width:140px;height:30px}.topic-options{gap:8px;grid-template-columns:1fr 1fr;width:440px;max-width:440px}.topic-options .topic-option{font-size:12px;padding:7px 14px;min-width:220px;width:220px}.filter-options-group{min-height:70px}.main-content-container{margin:0;padding:28px 24px;border-radius:18px}.search-input{font-size:22px;max-width:100%}.search-description{font-size:19px;line-height:23px}.lessons-grid{grid-template-columns:repeat(auto-fit,180px);gap:18px}.lesson-card{width:100%}.lesson-info{padding:8px}.lesson-card .lesson-title{font-size:13px!important;line-height:15px!important}.tag,.topic-tag{font-size:11px}}@media (max-width: 900px){.main-content-container{padding:20px 24px}.lessons-grid{grid-template-columns:repeat(auto-fit,160px);gap:16px}.lesson-card{width:160px}.lesson-info{padding:8px}.lesson-card .lesson-title{font-size:9px!important;line-height:11px!important}}@media (max-width: 768px){.open-library-page{margin-left:0;width:100%;max-width:100vw;padding:16px 16px 80px}.open-library-header h1{font-size:36px}.header-description{font-size:18px;line-height:22px;max-width:100%}.search-header{flex-direction:column;align-items:flex-start;gap:12px}.search-input{width:100%;max-width:100%}.my-lessons-button{font-size:12px;padding:8px 16px;min-width:200px;max-width:200px;width:200px}.filters-section{padding:16px 0;margin-bottom:24px}.filters-container{padding:0 10px}.filter-titles-row{gap:20px;margin-bottom:12px;grid-template-columns:1fr 1fr}.filter-title{font-size:12px}.filter-options-row{gap:16px;grid-template-columns:1fr 1fr}.filter-topic-group,.filter-style-group{grid-column:1 / -1}.filter-option{font-size:12px;padding:6px 12px}.language-option,.level-option{width:110px;min-width:110px;height:28px}.topic-option{min-width:200px;max-width:200px;height:28px;padding:6px 12px;width:200px}.style-option{width:130px;min-width:130px;height:28px}.topic-options{gap:8px;grid-template-columns:1fr;width:200px;max-width:200px}.topic-options .topic-option{font-size:11px;padding:6px 12px;min-width:200px;width:200px}.filter-options-group{min-height:60px}.main-content-container{margin:0;padding:24px 20px;border-radius:16px}.search-input{font-size:20px;max-width:100%}.search-description{font-size:18px;line-height:22px}.lessons-grid{grid-template-columns:repeat(auto-fit,160px);gap:16px}.lesson-card{width:100%}.lesson-info{padding:8px}.lesson-card .lesson-title{font-size:14px!important;line-height:16px!important}.tag,.topic-tag{font-size:11px}}@media (max-width: 600px){.open-library-page{margin-left:0;width:100%;max-width:100vw;padding:12px 12px 80px}.open-library-header h1{font-size:32px}.open-library-content{padding:0}.main-content-container{margin:0;padding:20px 16px;border-radius:16px}.search-header{flex-direction:column;align-items:flex-start;gap:10px}.search-input{width:100%;max-width:100%}.my-lessons-button{font-size:12px;padding:8px 16px;min-width:180px;max-width:180px;width:180px}.filters-section{padding:12px 0;margin-bottom:20px}.filters-container{padding:0 10px}.filter-titles-row{grid-template-columns:1fr;gap:16px;margin-bottom:10px}.filter-options-row{grid-template-columns:1fr;gap:16px}.filter-option{font-size:11px;padding:5px 8px}.language-option,.level-option{width:100px;min-width:100px;height:26px}.topic-option{min-width:180px;max-width:180px;height:26px;padding:5px 10px;width:180px}.style-option{width:120px;min-width:120px;height:26px}.topic-options{gap:6px;grid-template-columns:1fr;width:180px;max-width:180px}.topic-options .topic-option{font-size:10px;padding:5px 10px;min-width:180px;width:180px}.filter-options-group{min-height:50px}.lessons-grid{grid-template-columns:repeat(auto-fit,140px);gap:12px}.lesson-card{width:100%}.lesson-info{padding:6px}.lesson-card .lesson-title{font-size:12px!important;line-height:14px!important}.search-input{font-size:18px;max-width:100%}.search-description{font-size:16px}.tag,.topic-tag{font-size:10px}}@media (max-width: 480px){.open-library-page{max-width:100vw;padding:8px 8px 60px}.open-library-header h1{font-size:28px}.header-description{font-size:16px;line-height:20px}.main-content-container{padding:12px 16px}.search-header{flex-direction:column;align-items:flex-start;gap:8px}.search-input{font-size:16px;width:100%;max-width:100%}.my-lessons-button{font-size:11px;padding:6px 14px;min-width:180px;max-width:180px;width:180px}.search-description{font-size:14px;line-height:20px}.lessons-grid{grid-template-columns:repeat(auto-fit,130px);gap:12px}.lesson-card{width:100%}.lesson-info{padding:5px}.lesson-card .lesson-title{font-size:11px!important;line-height:13px!important}.tag,.topic-tag{font-size:9px}}@media (max-width: 400px){.open-library-page{margin-left:0;width:100%;max-width:100vw;padding:8px 8px 60px}.open-library-header h1{font-size:26px}.main-content-container{margin:0;padding:12px 16px}.search-header{flex-direction:column;align-items:flex-start;gap:8px}.search-input{font-size:16px;width:100%;max-width:100%}.my-lessons-button{font-size:11px;padding:6px 12px;min-width:160px;max-width:160px;width:160px}.search-description{font-size:14px}.lesson-card .lesson-title{font-size:10px!important;line-height:12px!important}.tag,.topic-tag{font-size:8px}.filters-section{padding:8px 0;margin-bottom:16px}.filters-container{padding:0 16px}.filter-titles-row{grid-template-columns:1fr;gap:14px;margin-bottom:8px}.filter-options-row{grid-template-columns:1fr;gap:14px}.filter-option{font-size:10px;padding:4px 6px}.language-option,.level-option{width:90px;min-width:90px;height:24px}.topic-option{min-width:160px;max-width:160px;height:24px;padding:4px 8px;width:160px}.style-option{width:110px;min-width:110px;height:24px}.topic-options{grid-template-columns:1fr;width:160px;max-width:160px}.topic-options .topic-option{font-size:9px;padding:4px 8px;min-width:160px;width:160px}.filter-options-group{min-height:40px}.lessons-grid{grid-template-columns:repeat(auto-fit,120px);gap:10px}.lesson-card{width:100%}.lesson-info{padding:4px}}@media (max-width: 320px){.open-library-page{padding:4px 4px 60px}.main-content-container{padding:8px 12px}.filters-container{padding:0 8px}.lessons-grid{gap:8px}.lesson-card{width:100%}.lesson-info{padding:3px}.lesson-card .lesson-title{font-size:9px!important;line-height:11px!important}.tag,.topic-tag{font-size:7px}}@media (min-width: 1200px) and (max-width: 1439px){.open-library-page{max-width:1400px;padding:40px 50px 120px}.main-content-container{padding:40px 32px}.filter-options-row{gap:16px;grid-template-columns:1fr 1fr 2fr 1fr}.lessons-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}.lesson-card{width:100%}.lesson-card .lesson-title{font-size:15px;line-height:18px}.tag,.topic-tag{font-size:12px}}@media (min-width: 1440px){.open-library-page{max-width:1600px;padding:40px 50px 120px}.main-content-container{margin:0;padding:40px 36px}.filter-options-row{gap:20px;grid-template-columns:1fr 1fr 2fr 1fr}.lessons-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:24px}.lesson-card{width:100%}.lesson-info{padding:16px 16px 4px}.lesson-card .lesson-title{font-size:15px;line-height:18px}.tag,.topic-tag{font-size:13px}}@media (min-width: 1920px){.open-library-page{max-width:1800px;padding:40px 50px 120px}.main-content-container{padding:40px}.filter-options-row{gap:24px;grid-template-columns:1fr 1fr 2fr 1fr}.lessons-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:32px}.lesson-card{width:100%}.lesson-info{padding:18px 18px 6px}.lesson-card .lesson-title{font-size:15px;line-height:18px}.tag,.topic-tag{font-size:14px}}:root{--color-orange: #f26430;--color-green: #5c8001;--color-red: #f26430;--color-neutral-100: #f5f5f5;--color-white: #ffffff;--color-text: #2a2b2a;--color-text-muted: #666666;--border-radius-large: 22px;--border-radius-medium: 14px;--border-radius-small: 13px;--shadow-card: 0px 3px 12px 3px rgba(0, 0, 0, .25);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;--font-family-heros: "TeX Gyre Heros", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, sans-serif}.lesson-page{font-family:var(--font-family);line-height:1.6;color:var(--color-text);background-color:var(--color-white);min-height:100vh}.page-title{width:100%;max-width:none;margin:0;padding:24px 20px}.page-title-text{font-family:var(--font-family-heros);font-size:64px;font-weight:600;line-height:1.3;color:var(--color-text);margin:0;white-space:normal;overflow-wrap:anywhere;word-break:break-word;-webkit-hyphens:auto;hyphens:auto}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:32px;max-width:1400px;margin:0 auto;padding:32px 20px;align-items:stretch}.main-content{display:flex;flex-direction:column;gap:32px}.lesson-header{margin-bottom:0;text-align:left}.lesson-title{font-family:var(--font-family-heros);font-size:32px;font-weight:600;margin:0 0 16px;padding:4px 0;color:var(--color-text);line-height:1.3;letter-spacing:-.02em;text-align:left;position:relative}.video-section{width:100%;max-width:100%;margin:0}.video-embed{width:100%;border-radius:var(--border-radius-large);overflow:hidden;box-shadow:var(--shadow-card);background:var(--color-white);position:relative;aspect-ratio:16 / 9}.video-embed iframe,.video-embed #yt-player{position:absolute;top:0;left:0;width:100%!important;height:100%!important;border:none;display:block}.all-exercises-container{padding:20px}.exercises-section{background:var(--color-white);padding:24px;border-radius:var(--border-radius-large);box-shadow:var(--shadow-card);margin-bottom:32px}.exercises-section:has(.answers-header){margin-bottom:0}.exercises-section h2{font-family:var(--font-family-heros);font-size:24px;font-weight:400;margin-bottom:20px;color:#2a2b2a;line-height:1}.exercise-description{font-size:15.79px;color:var(--color-text);margin-bottom:16px;line-height:1.25}.exercise-questions{display:flex;flex-direction:column;margin-bottom:20px}.question{background:transparent;padding:16px;border-radius:var(--border-radius-medium);border:1px solid transparent;transition:background-color .15s ease}.question:hover{background:transparent}.question p{margin:0;font-size:15.79px;color:var(--color-text);font-weight:400;line-height:1.25}.vocabulary-card{background:var(--color-neutral-100);padding:16px;border-radius:var(--border-radius-small);margin-bottom:12px}.vocab-content h3{font-size:15px;font-weight:700;margin:0 0 8px;color:var(--color-text);line-height:1.2}.time-code{margin:8px 0}.time-link{color:var(--color-orange);cursor:pointer;text-decoration:none;font-size:15.79px;font-weight:400}.time-link:hover{text-decoration:underline}.vocab-content .quote{font-style:italic;color:var(--color-text);margin:8px 0;font-size:15.79px}.vocab-content .explanation{color:var(--color-text);margin:8px 0;font-size:15.79px}.vocab-content .example{color:var(--color-text);margin:8px 0 0;font-size:15.79px}.vocabulary-column{position:sticky;top:16px;align-self:start}.vocabulary-sidebar{background:var(--color-white);border-radius:var(--border-radius-large);box-shadow:var(--shadow-card);padding:24px;height:fit-content;position:relative;max-height:calc(100vh - 32px);overflow:auto;margin-top:0}.vocabulary-sidebar h2{font-size:22px;font-weight:400;margin-bottom:16px;color:var(--color-text);line-height:1}.vocabulary-list{display:flex;flex-direction:column;gap:12px}.vocab-sidebar-card{background:var(--color-neutral-100);padding:16px;border-radius:var(--border-radius-small)}.vocab-sidebar-content h3{font-size:15px;font-weight:700;margin:0 0 8px;color:var(--color-text);line-height:1.2}.vocab-sidebar-content .time-link{color:var(--color-orange);cursor:pointer;text-decoration:none;font-size:15.79px;font-weight:400}.vocab-sidebar-content .time-link:hover{text-decoration:underline}.vocab-sidebar-content .quote{font-style:italic;color:var(--color-text);margin:8px 0;font-size:15.79px}.vocab-sidebar-content .explanation{color:var(--color-text);margin:8px 0;font-size:15.79px}.vocab-sidebar-content .example{color:var(--color-text);margin:8px 0 0;font-size:15.79px}.exercise-tip{font-size:15.79px;color:var(--color-text);font-weight:400;line-height:1.4;margin:12px 0 16px;background:transparent;border:none;padding:0;display:block}.tip-icon{display:none}.exercise-tip p{margin:0;color:var(--color-text);font-weight:400;font-size:15.79px;line-height:1.4}.exercise-divider{height:1px;background:#e9e9e7;margin:20px 0}.answers-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.answers-toggle-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--color-orange);color:var(--color-white);border:none;padding:8px 16px;border-radius:var(--border-radius-small);cursor:pointer;font:inherit;font-size:14px;font-weight:600;transition:all .2s ease}.answers-toggle-btn:hover{background:#e55a2b;transform:translateY(-1px)}.answers-toggle-btn:active{transform:translateY(0)}.answers-content{margin-top:16px}.quizlet-instructions{font-family:var(--font-family-heros);font-size:15.79px;line-height:19.738px;color:var(--color-text);font-weight:400;margin-bottom:16px}.quizlet-questions{border:1px solid #e9e9e7;border-radius:var(--border-radius-medium);background:var(--color-neutral-100);padding:16px;gap:12px}.quizlet-questions .question{padding:0;border:none}.quizlet-questions .question+.question{border-top:1px solid #e0e0de;padding-top:12px}.answers-subsection{margin-bottom:24px}.answers-subsection:last-child{margin-bottom:0}.answers-subsection h3{font-size:18px;font-weight:600;color:var(--color-text);margin-bottom:12px;line-height:1.2}.answer-block{background:var(--color-neutral-100);padding:16px;border-radius:var(--border-radius-medium);margin-bottom:12px;border:1px solid #e9e9e7}.answer-block:last-child{margin-bottom:0}.answer-type{font-size:14px;color:var(--color-text);margin:0 0 8px;font-weight:500}.answer-list{padding-left:20px;margin:0}.answer-list li{font-size:15.79px;color:var(--color-text);margin-bottom:4px;line-height:1.4}.answer-list li:last-child{margin-bottom:0}.exercise-questions input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;border:2px solid #d1d5db;border-radius:0;background-color:#fff;cursor:pointer;position:relative;flex-shrink:0;margin:0;vertical-align:middle;transition:all .2s ease}.exercise-questions input[type=checkbox]:checked{background-color:var(--color-orange);border-color:var(--color-orange)}.exercise-questions input[type=checkbox]:hover{border-color:var(--color-orange)}.exercise-questions input[type=checkbox]:focus{outline:none;box-shadow:0 0 0 2px #f2643033}.checkbox-list input[type=checkbox]{width:20px;height:20px;aspect-ratio:1 / 1;box-sizing:border-box}.question .checkbox-list input[type=checkbox]{width:20px;height:20px;min-width:20px;max-width:20px;min-height:20px;max-height:20px;flex:0 0 20px;display:inline-block;box-sizing:border-box;padding:0;margin:0;transform:none;line-height:0;background-origin:border-box;background-clip:padding-box;background-size:100% 100%;-webkit-appearance:none;-moz-appearance:none;appearance:none}.question .checkbox-list input[type=checkbox]:before,.question .checkbox-list input[type=checkbox]:after{content:none!important;display:none!important;width:0!important;height:0!important}.question .checkbox-list .checkbox-label{position:relative}.question .checkbox-list .checkbox-label input[type=checkbox]{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:20px;height:20px;margin:0;padding:0;opacity:0;position:static;flex:0 0 20px}.question .checkbox-list .checkbox-label .checkbox-text{min-width:0}.question .checkbox-list .checkbox-label .checkbox-box{width:20px!important;height:20px!important;min-width:20px!important;max-width:20px!important;min-height:20px!important;max-height:20px!important;box-sizing:border-box;border:2px solid #d1d5db;background:#fff;display:inline-block;flex:0 0 20px}.question .checkbox-list .checkbox-label input[type=checkbox]:checked+.checkbox-box{background-color:var(--color-orange);border-color:var(--color-orange)}.question .checkbox-list .checkbox-label input[type=checkbox]:focus-visible+.checkbox-box{outline:none;box-shadow:0 0 0 3px #f2643059}.instruction-text{margin:4px 0 6px;font-size:15.79px;color:var(--color-text);line-height:1.4}.checkbox-list{display:flex;flex-direction:column;gap:8px;width:100%;margin-top:4px;align-items:flex-start;padding-left:0;margin-left:0;background:transparent}.checkbox-label{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font:inherit;font-size:inherit;margin:0;padding:0;justify-content:flex-start;white-space:nowrap}.checkbox-text{display:inline-block;white-space:nowrap;text-align:left;line-height:1.2;font-size:15.79px;color:var(--color-text)}.fill-blank-question{background:transparent;border:none;margin:0}.fill-blank-sentence{font-family:var(--font-family-heros);font-size:15.79px;color:#2a2b2a;font-weight:400;line-height:19.738px;margin-bottom:15px;background:var(--color-neutral-100);border-radius:14.211px;padding:12px 16px;width:100%;min-height:43.84px;display:flex;align-items:center}.fill-blank-blank{display:inline-block;min-width:80px;height:32px;border:2px solid #e9e9e7;border-radius:6px;background:var(--color-white);margin:0 4px;padding:4px 8px;font-size:15.79px;color:var(--color-text);text-align:center;vertical-align:middle}.fill-blank-blank.filled{background:var(--color-orange);color:var(--color-white);border-color:var(--color-orange);font-weight:600}.fill-blank-blank.incorrect{background:#f8d7da;color:#721c24;border-color:#f5c6cb}.word-options-container{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding:16px;background:var(--color-neutral-100);border-radius:var(--border-radius-medium);border:1px solid #e9e9e7}.word-option{padding:8px 12px;border:2px solid #e9e9e7;border-radius:6px;background:var(--color-white);color:var(--color-text);cursor:pointer;font-size:14px;font-weight:500;transition:all .2s ease;-webkit-user-select:none;user-select:none}.word-option:hover{border-color:var(--color-orange);background:#fff5f2}.word-option.selected{background:var(--color-orange);color:var(--color-white);border-color:var(--color-orange)}.word-option.used{background:#f8f9fa;color:#6c757d;border-color:#dee2e6;cursor:not-allowed;text-decoration:line-through;opacity:.6}.word-option.incorrect{background:#f8d7da;color:#721c24;border-color:#f5c6cb}.fill-blank-instruction,.grammar-instruction{font-size:15.79px;color:var(--color-text);font-weight:400;line-height:1.4;margin:12px 0 16px}.grammar-question{background:transparent;border:none;margin:0}.grammar-sentence{font-family:var(--font-family-heros);font-size:15.79px;color:#2a2b2a;font-weight:400;line-height:19.738px;margin-bottom:15px;background:var(--color-neutral-100);border-radius:14.211px;padding:12px 16px;width:100%;min-height:43.84px;display:flex;align-items:center;flex-wrap:wrap;gap:4px}.grammar-input{background:transparent;border:none;border-bottom:2px solid #2a2b2a;padding:4px 14px;font-size:15.79px;color:var(--color-text);font-family:var(--font-family-heros);min-width:60px;width:auto;text-align:center;outline:none;transition:border-color .2s ease,width .2s ease;border-radius:0}.grammar-input:focus{border-bottom-color:var(--color-orange)}.grammar-input.correct{border-bottom-color:#28a745;color:#28a745;font-weight:600}.grammar-input.incorrect{border-bottom-color:#f26430;color:#f26430;font-weight:600}.grammar-full-input{background:transparent;border:none;border-bottom:2px solid #2a2b2a;padding:8px 14px;font-size:15.79px;color:var(--color-text);font-family:var(--font-family-heros);width:100%;outline:none;transition:border-color .2s ease;margin-bottom:10px;border-radius:0}.grammar-full-input:focus{border-bottom-color:var(--color-orange)}.grammar-full-input.correct{border-bottom-color:#28a745;color:#28a745;font-weight:600}.grammar-full-input.incorrect{border-bottom-color:#f26430;color:#f26430;font-weight:600}.true-false-instruction{font-size:15.79px;color:var(--color-text);font-weight:400;line-height:1.4;margin:12px 0 16px}.true-false-question{background:transparent;border:none;margin:0}.true-false-sentence{font-family:var(--font-family-heros);font-size:15.79px;color:#2a2b2a;font-weight:400;line-height:19.738px;margin-bottom:15px;background:var(--color-neutral-100);border-radius:14.211px;padding:12px 16px;width:100%;min-height:43.84px;display:flex;align-items:center}.true-false-buttons{display:flex;gap:10px;margin-top:5px;margin-bottom:10px;align-items:center}.exercise-check-button,.true-false-btn{padding:10px 20px;border-radius:var(--border-radius-small);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:6px;font-family:inherit}.true-false-btn{border:1px solid #000000;background:#fff;color:#2a2b2a}.true-false-btn:hover{background:#f5f5f5;transform:translateY(-1px)}.true-false-btn:active{transform:translateY(0)}.true-false-btn:focus-visible{outline:none;box-shadow:0 0 0 3px #f2643059}.true-false-btn.selected{background:#000;color:#fff;border-color:#000}.true-false-btn.correct{background-color:#28a745;border-color:#28a745;color:#fff}.true-false-btn.incorrect{background-color:#f26430;border-color:#f26430;color:#fff}.word-list-container{font-family:var(--font-family-heros);font-size:15.79px;line-height:19.738px;font-weight:400;color:#f26430;margin:16px 0 20px;padding:0;background:transparent;border:none;border-radius:0}.word-list-item{font-size:inherit;color:inherit;font-weight:inherit}.fill-blank-input{background:transparent;border:none;border-bottom:2px solid #2a2b2a;padding:4px 14px;font-size:15.79px;color:var(--color-text);font-family:var(--font-family-heros);min-width:60px;width:auto;text-align:center;outline:none;transition:border-color .2s ease,width .2s ease;border-radius:0}.fill-blank-input:focus{border-bottom-color:var(--color-orange)}.fill-blank-input.correct{border-bottom-color:#28a745;color:#28a745;font-weight:600}.fill-blank-input.incorrect{border-bottom-color:#f26430;color:#f26430;font-weight:600}.exercise-check-button{background:var(--color-orange);color:var(--color-white);border:none;padding:10px 20px;border-radius:var(--border-radius-small);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;margin-top:20px;align-self:flex-end}.exercise-check-button:hover{background:#e55a2b;transform:translateY(-1px)}.exercise-check-button:active{transform:translateY(0)}.exercise-check-button:disabled{background:#ccc;cursor:not-allowed;transform:none}.loading-container,.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;text-align:center}.loading-spinner{width:32px;height:32px;border:3px solid #e9e9e7;border-top:3px solid var(--color-text);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:12px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-container p,.error-container p{color:var(--color-text-muted);font-size:15.79px}.error-container h2{color:var(--color-text);margin-bottom:12px}@media (max-width: 1024px){.lesson-layout{grid-template-columns:1fr;gap:24px;padding:24px 16px}.main-content{margin-left:0}.page-title{margin-left:0;padding-left:16px;max-width:calc(100% - 32px)}.vocabulary-column{order:-1;top:8px}.vocabulary-sidebar{position:relative;max-height:calc(100vh - 16px);overflow:auto;margin-top:0}}@media (max-width: 768px){.lesson-layout{padding:16px}.page-title{padding:16px 16px 6px}.page-title-text{font-size:48px;line-height:1.25}.lesson-title{font-size:28px;font-weight:600;line-height:1.3;padding:4px 0;margin:0 0 12px}.video-embed iframe{min-height:288px;max-height:432px}.all-exercises-container{padding:20px}.exercises-section{padding:16px}.vocabulary-sidebar{padding:16px;margin-top:0}.question{padding:12px}.answers-header{flex-direction:column;align-items:flex-start;gap:12px}.answers-toggle-btn{align-self:flex-end}}@media (max-width: 480px){.lesson-title{font-size:24px;font-weight:600;line-height:1.3;padding:4px 0;margin:0 0 12px}.page-title-text{font-size:40px}.exercises-section h2,.vocabulary-sidebar h2{font-size:20px}.exercise-description,.question p,.vocab-content h3,.vocab-sidebar-content h3{font-size:14px}}@media (min-width: 1400px){.lesson-layout{max-width:none;width:100%;margin-left:0;margin-right:auto;padding-left:0;padding-right:24px;grid-template-columns:minmax(0,1fr) 380px;gap:50px}.page-title{margin-left:50px;margin-right:auto;padding-left:0}.page-title{margin-left:50px;margin-right:auto;padding-left:0;max-width:calc(100% - 74px)}.lesson-layout>.main-content,.main-content{margin-left:50px;width:auto}.vocabulary-sidebar{max-width:420px}.all-exercises-container{padding-left:0;padding-right:0}}@media (min-width: 1025px) and (max-width: 1399px){.lesson-layout{margin-left:0;margin-right:auto;padding-left:0;padding-right:24px;grid-template-columns:minmax(0,1fr) 380px;gap:50px}.lesson-layout>.main-content,.main-content{margin-left:50px;width:auto}.page-title{margin-left:50px;margin-right:auto;padding-left:0;max-width:calc(100% - 74px)}.page-title{margin-left:50px;margin-right:auto;padding-left:0}.all-exercises-container{padding-left:0;padding-right:0}}.figma-sidebar{width:var(--sidebar-width);height:100vh;background:#f5f5f5;position:fixed;left:0;top:0;z-index:1000;flex-shrink:0}.sidebar-logo{position:absolute;left:0;top:0;width:120.067px;height:37.149px;padding-top:29px;padding-left:18px;padding-right:18px;box-sizing:content-box}.logo-container{position:relative;width:100%;height:100%;overflow:visible}.logo-img{position:absolute;left:0;top:0;width:120.067px;height:37.149px;display:block;max-width:none;object-fit:contain}.sidebar-nav{position:absolute;left:0;top:100px;display:flex;flex-direction:column;padding-left:18px;padding-right:18px;width:100%;box-sizing:border-box}.nav-item{text-decoration:none;color:#2a2b2a;font-family:TeX Gyre Heros,sans-serif;font-size:20px;font-weight:400;line-height:25px;transition:all .2s ease;padding:8px 0;white-space:nowrap}.nav-item:hover{color:#1a1a1a;font-weight:500}.nav-item.active{color:#1a1a1a;font-weight:600}@media (max-width: 768px){.figma-sidebar{width:100%;height:auto;position:relative;padding:16px 0;display:block}.sidebar-logo{position:relative;left:auto;top:auto;width:120px;height:37px;padding-top:16px;padding-left:0;padding-right:0;margin:0 auto 16px;text-align:center;box-sizing:content-box;display:block}.logo-container{position:relative;width:100%;height:100%;overflow:hidden;display:block}.logo-img{position:relative;left:auto;top:auto;width:120px;height:37px;display:block;margin:0 auto}.sidebar-nav{position:relative;left:auto;top:auto;flex-direction:row;gap:24px;padding:0 16px;overflow-x:auto;justify-content:center}.nav-item{font-size:16px;min-width:80px;text-align:center}}@media (max-width: 480px){.sidebar-nav{gap:16px;padding:0 8px}.nav-item{font-size:14px;min-width:60px}.sidebar-logo{padding-top:12px;margin:0 auto 12px}.logo-img{width:100px;height:31px;margin:0 auto}}@media (prefers-color-scheme: dark){.figma-sidebar{background:#2a2a2a}.logo-text,.nav-item{color:#fff}.nav-item:hover,.nav-item.active{color:#f0f0f0}}.terms-page{font-family:TeX Gyre Heros,sans-serif;background-color:#fff;color:#2a2b2a;max-width:900px;margin:0 auto;padding:72px 24px 120px;line-height:1.7}.terms-header{text-align:center;margin-bottom:56px}.terms-title{font-size:36px;font-weight:700;letter-spacing:.05em;margin-bottom:16px}.terms-updated{font-size:16px;color:#5a5a59}.terms-updated strong{color:#2a2b2a;font-weight:700}.terms-section{margin-bottom:40px}.terms-section h2{font-size:22px;font-weight:700;margin-bottom:16px;text-transform:uppercase}.terms-section p{margin-bottom:16px;font-size:16px}.terms-section p:last-child{margin-bottom:0}.terms-section address{font-style:normal;line-height:1.8;margin-top:16px}.terms-section strong{font-weight:700}.terms-page a{color:#f26430;text-decoration:none;font-weight:600}.terms-page a:hover,.terms-page a:focus{text-decoration:underline}@media (max-width: 768px){.terms-page{padding:48px 20px 80px}.terms-title{font-size:28px}.terms-section h2{font-size:20px}}@media (max-width: 480px){.terms-page{padding:36px 16px 64px}.terms-header{text-align:left}.terms-title{font-size:24px;letter-spacing:.02em}.terms-updated{font-size:14px}.terms-section h2{font-size:18px}}.policy-section ul{margin:16px 0 16px 20px;padding:0;list-style:disc}.policy-page{font-family:TeX Gyre Heros,sans-serif;background-color:#fff;color:#2a2b2a;max-width:900px;margin:0 auto;padding:72px 24px 120px;line-height:1.7}.policy-header{text-align:center;margin-bottom:56px}.policy-title{font-size:36px;font-weight:700;letter-spacing:.05em;margin-bottom:16px;text-transform:uppercase}.policy-updated{font-size:16px;color:#5a5a59}.policy-updated strong{color:#2a2b2a;font-weight:700}.policy-intro{font-size:16px;margin-bottom:20px}.policy-list{margin:0 0 20px 20px;padding:0;list-style:disc}.policy-section{margin-top:40px}.policy-section h2{font-size:22px;font-weight:700;margin-bottom:16px;text-transform:uppercase}.policy-section h3{font-size:18px;font-weight:600;margin-bottom:12px;margin-top:24px}.policy-section p{margin-bottom:16px;font-size:16px}.policy-section ul,.policy-section ol{margin:16px 0 16px 20px;padding:0}.policy-section li{margin-bottom:12px;font-size:16px}.policy-section address{font-style:normal;line-height:1.8;margin-top:16px}.policy-page a{color:#f26430;text-decoration:none;font-weight:600}.policy-page a:hover,.policy-page a:focus{text-decoration:underline}@media (max-width: 768px){.policy-page{padding:48px 20px 80px}.policy-title{font-size:28px}.policy-section h2{font-size:20px}}@media (max-width: 480px){.policy-page{padding:36px 16px 64px}.policy-header{text-align:left}.policy-title{font-size:24px;letter-spacing:.02em}.policy-updated{font-size:14px}.policy-section h2{font-size:18px}}:root{--sidebar-width: 180px}.app{width:100%;min-height:100vh;background:#fff;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,"Apple Color Emoji",Arial,sans-serif,"Segoe UI Emoji",Segoe UI Symbol;display:flex;flex-direction:column;position:relative}.dark .app{background:#191919}.main-content{flex:1;display:flex;flex-direction:column;background:#fff;margin-left:var(--sidebar-width);padding-bottom:100px;min-height:100vh;scrollbar-width:thin;scrollbar-color:#e9e9e7 transparent;position:relative;z-index:1}.main-content.no-sidebar{width:100%;margin-left:0;padding:0}.main-content.auth-layout{flex:none;overflow:hidden;display:flex;align-items:center;justify-content:center;height:100vh}.main-content.standalone{min-height:100vh;overflow-y:auto;display:block;padding:0;background:#fff;flex:1 1 auto}.main-content::-webkit-scrollbar{width:8px}.main-content::-webkit-scrollbar-track{background:transparent}.main-content::-webkit-scrollbar-thumb{background:#e9e9e7;border-radius:4px}.main-content::-webkit-scrollbar-thumb:hover{background:#d9d9d7}.dark .main-content{background:#191919;scrollbar-color:#3a3a3a transparent}.dark .main-content::-webkit-scrollbar-thumb{background:#3a3a3a}.dark .main-content::-webkit-scrollbar-thumb:hover{background:#4a4a4a}.sidebar{width:var(--sidebar-width);background:#f5f5f5;border-right:1px solid #e9e9e7;display:flex;flex-direction:column;height:100vh;position:relative}.dark .sidebar{background:#202020;border-right-color:#2a2a2a}.sidebar-header{padding:12px 14px;border-bottom:1px solid #e9e9e7;min-height:45px;display:flex;align-items:center}.dark .sidebar-header{border-bottom-color:#2a2a2a}.sidebar-logo{display:flex;align-items:center;gap:8px;font-weight:600;font-size:14px;color:#37352f}.dark .sidebar-logo{color:#fff}.logo-icon{width:20px;height:20px;background:#37352f;color:#fff;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600}.dark .logo-icon{background:#fff;color:#37352f}.logo-text{font-weight:600}.sidebar-content{flex:1;padding:8px 0;overflow-y:auto}.sidebar-section{margin-bottom:24px}.sidebar-section-title{font-size:12px;font-weight:600;color:#787774;text-transform:uppercase;letter-spacing:.6px;padding:6px 12px;margin-bottom:6px}.dark .sidebar-section-title{color:#9b9a97}.sidebar-item{display:flex;align-items:center;gap:6px;padding:4px 12px;margin:2px 6px;border-radius:4px;cursor:pointer;font-size:20px;line-height:25px;color:#2a2b2a;transition:background-color .1s;min-height:33px;font-family:TeX Gyre Heros,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif}.dark .sidebar-item{color:#fff}.sidebar-item:hover{background:#f1f1ef}.dark .sidebar-item:hover{background:#2a2a2a}.sidebar-item.active{background:#e9e9e7;font-weight:500}.dark .sidebar-item.active{background:#2a2a2a}.sidebar-item-icon{width:14px;height:14px;display:flex;align-items:center;justify-content:center;font-size:12px}.sidebar-footer{padding:12px 14px;border-top:1px solid #e9e9e7;background:#f7f6f3}.dark .sidebar-footer{border-top-color:#2a2a2a;background:#202020}.user-info{display:flex;align-items:center;gap:8px}.user-avatar{width:24px;height:24px;background:#37352f;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600}.dark .user-avatar{background:#fff;color:#37352f}.user-details{flex:1;min-width:0}.user-name{font-size:12px;font-weight:500;color:#37352f;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dark .user-name{color:#fff}.user-email{font-size:11px;color:#787774;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dark .user-email{color:#9b9a97}@media (max-width: 768px){.main-content{margin-left:0;padding-bottom:100px;min-height:100vh}.sidebar{width:200px}}@media (max-width: 600px){.app{flex-direction:column}.main-content{margin-left:0;padding-bottom:100px;min-height:100vh}.sidebar{width:100%;height:auto;border-right:none;border-bottom:1px solid #e9e9e7}.dark .sidebar{border-bottom-color:#2a2a2a}.sidebar-content{display:flex;overflow-x:auto;padding:8px}.sidebar-section{margin-bottom:0;margin-right:16px;min-width:120px}.sidebar-item{white-space:nowrap}}.notification-container{position:fixed;top:0;right:0;z-index:1000;pointer-events:none}.notification-container>*{pointer-events:auto}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}body{margin:0;min-width:320px;min-height:100vh;background:#fff;color:#37352f}body.dark{background:#191919;color:#fff}#root{width:100%;min-height:100vh;height:auto;margin:0;padding:0}*{box-sizing:border-box}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600}p{margin:0}button{border-radius:6px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;color:#fff;cursor:pointer;transition:border-color .25s}button:hover{border-color:#000}input,textarea,select{font-family:inherit;font-size:14px;border:1px solid #e9e9e7;border-radius:4px;padding:8px 12px;background:#fff;color:#37352f;transition:border-color .15s,box-shadow .15s;width:100%}input:focus,textarea:focus,select:focus{outline:none;border-color:#37352f}.dark input,.dark textarea,.dark select{background:#2a2a2a;border-color:#3a3a3a;color:#fff}.dark input:focus,.dark textarea:focus,.dark select:focus{border-color:#fff;box-shadow:0 0 0 1px #fff}label{font-weight:500;margin-bottom:6px;display:block;font-size:14px;color:#37352f}.dark label{color:#fff}.form-group{margin-bottom:16px}.error{color:#e74c3c;font-size:14px;margin-top:4px}.success{color:#27ae60;font-size:14px;margin-top:4px}
