.demo-app{min-height:100vh;background:#f6f3fb}.demo-shell{width:min(1440px,calc(100% - 48px));margin-inline:auto}.demo-header{height:84px;justify-content:space-between}.demo-header,.demo-header-right{display:flex;align-items:center;gap:20px}.demo-header-right span{padding:8px 12px;border-radius:100px;background:#e0f5e8;color:#287d56;font-size:10px;font-weight:900;letter-spacing:.1em}.demo-header-right a{font-size:12px;font-weight:850}.demo-header-right a:hover{color:#e56039}.demo-layout{display:grid;grid-template-columns:360px minmax(0,1fr);gap:22px;align-items:start;padding-bottom:60px}.demo-main,.demo-sidebar{border-radius:24px;background:#fff;box-shadow:0 15px 40px #2420440c}.demo-sidebar{padding:29px}.demo-eyebrow{font-size:10px;letter-spacing:.12em;font-weight:900;color:#cd6241}.demo-sidebar h1{margin:22px 0 13px;font-size:clamp(2.5rem,3.1vw,3.7rem);line-height:1.03}.demo-sidebar h1 em{color:#e56039}.demo-sidebar>p{margin:0;color:#686577;font-size:13px;line-height:1.65}.demo-progress{margin:26px 0 30px;padding:18px;border-radius:15px;background:#f2effa}.demo-progress>div:first-child{display:flex;justify-content:space-between;align-items:center;font-size:10px;font-weight:900;letter-spacing:.08em}.demo-progress strong{font-size:17px;letter-spacing:0}.demo-progress-track{height:8px;margin-top:12px;border-radius:100px;background:#ddd7ef;overflow:hidden}.demo-progress-track span{display:block;height:100%;border-radius:100px;background:#7655d7;transition:width .2s}.demo-progress small{display:block;margin-top:7px;color:#928b9d;font-size:10px}.demo-list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.demo-list-header span{font-size:10px;font-weight:900;letter-spacing:.1em}.demo-list-header small{color:#9992a3;font-size:10px}.demo-lesson-list{display:grid;gap:10px}.demo-lesson-choice{display:flex;align-items:center;gap:12px;width:100%;padding:9px;border:1px solid #e7e3ee;border-radius:14px;background:#fff;color:#1c1b3a;text-align:left;cursor:pointer}.demo-lesson-choice:hover{border-color:#ae9be9;background:#faf8ff}.demo-lesson-choice.is-active{border-color:#7a65db;background:#f7f3ff;box-shadow:0 0 0 2px #7a65db1b}.demo-thumb{position:relative;display:block;width:54px;height:70px;flex:0 0 54px;border-radius:8px;overflow:hidden;background:#ddd}.demo-thumb img{object-fit:cover}.demo-lesson-copy{display:grid;gap:4px;min-width:0;flex:1}.demo-lesson-choice small{color:#ae6751;font-size:9px;font-weight:900;letter-spacing:.08em}.demo-lesson-choice strong{font-size:13px;line-height:1.2}.demo-lesson-choice em{color:#807b90;font-size:10px;font-style:normal}.demo-lesson-choice>b{align-self:center;color:#8a7db3;font-size:17px}.demo-sidebar .demo-sidebar-note{margin-top:22px;color:#9892a0;font-size:11px}.demo-main{min-height:790px;overflow:hidden}.demo-main-top{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:19px 29px;border-bottom:1px solid #eeeaf2}.demo-free,.demo-subject{font-size:10px;font-weight:900;letter-spacing:.1em}.demo-subject{color:#b35c46}.demo-free{padding:7px 11px;border-radius:100px;background:#e5f6e9;color:#328257}.demo-content{display:grid;grid-template-columns:minmax(230px,320px) minmax(0,1fr);gap:37px;padding:30px}.demo-player-column{align-self:start;padding:10px 10px 0;border-radius:22px;background:#1c1b3a;box-shadow:0 18px 37px #1c1b3a35}.demo-player-column video{display:block;width:100%;aspect-ratio:9/16;max-height:520px;object-fit:cover;border-radius:14px;background:#111}.demo-player-foot{display:flex;justify-content:space-between;gap:7px;padding:15px 5px;color:#dad9ea;font-size:10px;font-weight:750}.demo-detail-column{min-width:0}.demo-theme{display:inline-block;padding:8px 12px;border-radius:100px;background:#fff0d7;color:#96531c;font-size:10px;font-weight:850}.demo-detail-column h2{margin:17px 0 14px;font-size:clamp(2.25rem,3.2vw,3.6rem);line-height:1.04}.demo-detail-column>p{margin:0 0 24px;color:#6c6778;font-size:14px;line-height:1.65}.demo-words{margin-bottom:28px}.demo-words h3{display:flex;align-items:center;justify-content:space-between;margin:0 0 10px;font-size:18px;letter-spacing:-.04em}.demo-words h3 span{color:#e56039}.demo-words details{padding:11px 0;border-bottom:1px solid #eeeaf2}.demo-words summary{display:flex;justify-content:space-between;cursor:pointer;list-style:none;font-size:13px;font-weight:800}.demo-words summary span{color:#e56039;font-size:18px}.demo-words details[open] summary span{transform:rotate(45deg)}.demo-words details p{margin:9px 0 2px;color:#797487;font-size:12px;line-height:1.5}.demo-question{padding:20px;border-radius:17px;background:#f3f0fb}.demo-question>span{color:#8263bc;font-size:10px;font-weight:900;letter-spacing:.1em}.demo-question h3{margin:12px 0 16px;font-size:20px;line-height:1.2;letter-spacing:-.035em}.demo-question>div{display:grid;gap:7px}.demo-question button{display:flex;align-items:center;gap:9px;min-height:44px;padding:8px 10px;border:1px solid #e1dbea;border-radius:10px;background:#fff;color:#1c1b3a;text-align:left;font-size:11px;font-weight:750;cursor:pointer}.demo-question button:hover{border-color:#9b87d5}.demo-question button b{display:grid;place-items:center;width:23px;height:23px;flex:0 0 23px;border-radius:7px;background:#ece7f7;color:#6e5f96;font-size:10px}.demo-question button.is-correct{border-color:#56bc8a;background:#e9f9ee}.demo-question button.is-wrong{border-color:#f29a7c;background:#fff1ea}.demo-question>p{min-height:30px;margin:12px 0 0;color:#676078;font-size:11px;line-height:1.5}.demo-success{margin-top:14px;padding:11px 13px;border-radius:10px;background:#e7f8ee;color:#207c4c;font-size:11px;font-weight:800}@media(max-width:1130px){.demo-layout{grid-template-columns:310px minmax(0,1fr)}.demo-sidebar{padding:22px}.demo-content{gap:22px;padding:22px;grid-template-columns:minmax(210px,280px) minmax(0,1fr)}.demo-player-column video{max-height:485px}}@media(max-width:920px){.demo-layout{grid-template-columns:1fr}.demo-sidebar h1{max-width:650px}.demo-lesson-list{grid-template-columns:repeat(3,1fr)}.demo-lesson-choice{align-items:flex-start}.demo-thumb{width:46px;height:60px;flex-basis:46px}.demo-lesson-choice>b{display:none}.demo-main{min-height:0}}@media(max-width:650px){.demo-shell{width:min(100% - 28px,1440px)}.demo-header{height:75px}.demo-header-right span{display:none}.demo-header-right a{font-size:11px}.demo-layout{gap:14px}.demo-sidebar{padding:22px}.demo-sidebar h1{font-size:2.7rem}.demo-lesson-list{grid-template-columns:1fr}.demo-thumb{width:54px;height:67px;flex-basis:54px}.demo-lesson-choice>b{display:block}.demo-main-top{padding:17px 20px}.demo-content{grid-template-columns:1fr;padding:20px}.demo-player-column{width:min(100%,330px);margin:auto}.demo-detail-column h2{font-size:2.65rem}}.catalogue-subjects{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.catalogue-subjects button{border:1px solid #ddd;border-radius:16px;padding:8px 12px;cursor:pointer}.catalogue-subjects button[aria-pressed=true]{background:#7460ca;color:white}.catalogue-subjects button:disabled{opacity:.45;cursor:default}.demo-sidebar section h2{font-size:18px;margin:18px 0}.demo-sidebar select{padding:10px;border-radius:10px}.family-profile{max-width:600px;margin:0 auto;padding:40px 24px}.family-profile h1{font-size:clamp(26px,5vw,38px);margin-bottom:20px}.family-profile fieldset{border:1px solid #ded8ee;border-radius:18px;padding:20px;margin:24px 0;background:white}.family-profile legend{font-weight:700;padding:0 8px}.family-profile label{display:block;font-weight:600;margin:16px 0 6px}.family-profile input,.family-profile select{width:100%;padding:12px;border:1px solid #aaa0bc;border-radius:10px;font:inherit}.family-profile p{margin:14px 0;line-height:1.5}.family-actions{display:flex;gap:12px;justify-content:flex-end}.demo-header>button,.family-actions button{border:0;border-radius:12px;padding:12px 18px;background:#6651b8;color:white;font:inherit;cursor:pointer}.family-actions button:disabled{opacity:.45;cursor:default}.lesson-formats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:20px 0}.lesson-formats button{display:flex;flex-direction:column;gap:8px;text-align:left;padding:16px;border:2px solid #ded6ee;border-radius:16px;background:white;color:#25213a}.lesson-formats button.next-part{background:#fff1ae}.lesson-formats button[aria-pressed=true]{border-color:#6a3caa}.lesson-video{max-width:320px;margin:20px auto}.parent-questions{margin:24px 0}.demo-sidebar [role=search]{display:grid;gap:10px;margin:20px 0;color:#1c1b3a}.demo-sidebar [role=search] input,.demo-sidebar [role=search] select{width:100%;padding:12px;border:1px solid #9d91b6;border-radius:12px;background:white;color:#1c1b3a;font:inherit}.search-level{display:inline-block;border-radius:12px;padding:3px 8px;background:#fff1ae;color:#1c1b3a}.demo-lesson-copy small,.demo-lesson-copy strong{white-space:normal;overflow-wrap:anywhere}.course-topic-draft{max-width:680px;margin:32px auto;padding:24px;color:#1c1b3a;background:#fffcf7}.course-topic-draft form,.course-topic-draft label{display:grid;gap:12px}.course-topic-draft input,.course-topic-draft select{padding:12px;border:1px solid #9d91b6;border-radius:12px;color:#1c1b3a;background:white;font:inherit}.course-topic-draft button{padding:12px 18px;margin-block:8px;background:#7655d7;color:white;border-radius:12px;border:0;font:inherit;cursor:pointer}.search-suggestions{padding:0;list-style:none;display:grid;gap:8px}.search-suggestions button{text-align:left;padding:10px;color:#1c1b3a;background:#f6f3fb;border-radius:12px;border:1px solid #ded6ee;font:inherit;cursor:pointer}.welcome-flow{min-height:calc(100svh - 48px);width:min(100%,700px);background:#f6f3fb;color:#1c1b3a;border-radius:32px;padding:clamp(20px,5vw,40px);margin:24px auto}.welcome-progress{display:flex;align-items:center;gap:16px}.welcome-progress progress{flex:1;min-width:0;accent-color:#7655d7}.welcome-flow h1{font-size:clamp(2rem,5vw,3rem);font-weight:900;letter-spacing:-.04em;line-height:1.15}.welcome-flow form{display:flex;flex-direction:column;min-height:70svh}.welcome-step{flex:1;animation:welcome-appear .22s ease-out}.welcome-intro{font-size:1.25rem;line-height:1.6;color:#6c6778}.welcome-mascot{display:block;max-width:100%;object-fit:contain;margin:24px auto}.welcome-flow fieldset{border:0;padding:16px 0;display:grid;gap:12px}.welcome-flow input{width:100%;box-sizing:border-box;padding:20px;border:2px solid #e4ddef;border-radius:20px;font:inherit;font-size:1.125rem;color:#1c1b3a;background:white}.welcome-flow button{font:inherit;cursor:pointer}.welcome-progress button{padding:12px;border:0;background:transparent;color:#7655d7}.welcome-levels{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px}.welcome-levels button{padding:24px 20px;min-height:116px;display:grid;gap:12px;text-align:left;border:2px solid transparent;border-radius:24px;background:#fff0b1;color:#1c1b3a}.welcome-levels strong{font-size:1.75rem}.welcome-levels button[aria-pressed=true]{background:#7655d7;color:white}.welcome-actions{display:flex;gap:12px;position:sticky;bottom:0;padding-block:20px;background:#f6f3fb}.welcome-next{flex:1;border:0;border-radius:22px;padding:20px;background:#7655d7;color:white;font-weight:700!important}.welcome-flow button:disabled{opacity:.4;cursor:default}.welcome-flow :focus-visible{outline:3px solid #7655d7;outline-offset:3px}@keyframes welcome-appear{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.welcome-step{animation:none}}