:root{--ink:#102d35;--muted:#637579;--line:#d9e1dc;--paper:#f5f7f1;--white:#fff;--cream:#eef2e7;--mint:#c8e5d8;--teal:#0d766d;--orange:#ed704b;--blue:#436c8a;--shadow:0 18px 45px rgba(16,45,53,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:16px/1.5 Arial,"Noto Sans",sans-serif;background:var(--paper)}button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--orange);outline-offset:3px}.hidden{display:none!important}
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.quiz-panel{margin-top:24px;background:#e5efea;border-radius:15px;border:1px solid #cddcd3;padding:27px}.quiz-top{display:flex;align-items:center;justify-content:space-between;gap:20px}.quiz-top span{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--teal)}.quiz-progress{height:7px;background:#cedcd4;border-radius:20px;margin-top:13px;overflow:hidden}.quiz-progress i{display:block;height:100%;background:var(--teal);border-radius:20px;transition:width .25s}.question-card{display:grid;grid-template-columns:minmax(220px,42%) minmax(0,1fr);gap:25px;margin-top:21px}.symbol-stage{min-height:300px;background:var(--white);border:1px solid #d9e4dc;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:24px;position:relative}.symbol-stage:before,.symbol-stage:after{content:"";position:absolute;width:12px;height:12px;border-color:#c6d9ce}.symbol-stage:before{top:15px;left:15px;border-top:1px solid;border-left:1px solid}.symbol-stage:after{bottom:15px;right:15px;border-bottom:1px solid;border-right:1px solid}.symbol-stage .tag-svg{width:min(250px,80%);height:200px}.source-sign{max-width:185px;max-height:180px;object-fit:contain;mix-blend-mode:multiply;image-rendering:auto}.symbol-stage small{color:#82918e;font-size:11px;letter-spacing:.13em;font-weight:800;margin-top:15px}.question-work{display:flex;flex-direction:column}.question-kind{display:inline-flex;align-self:flex-start;border-radius:50px;background:#d6e4dc;color:#356861;font-size:11px;font-weight:800;letter-spacing:.08em;padding:6px 10px;text-transform:uppercase}.question-work h3{font:normal 32px/1.18 Georgia,serif;margin:14px 0 9px}.question-work p{color:#58716d;margin:0 0 18px;font-size:14px}.answer-box{width:100%;min-height:112px;resize:vertical;border:1px solid #b7cbc3;border-radius:9px;padding:14px;background:#fff;color:var(--ink);line-height:1.5}.answer-box:focus{border-color:var(--teal)}.answer-actions{display:flex;align-items:center;gap:14px;margin-top:13px}.answer-actions small{color:#738b84;font-size:12px}.feedback{border-top:1px solid #c5d8cd;padding-top:20px;margin-top:24px}.feedback-head{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.score-badge{background:var(--ink);color:#fff;border-radius:7px;padding:7px 12px;font-weight:900}.feedback h4{font-size:18px;margin:0}.feedback>p{color:#4d6d64;margin:9px 0 0}.criteria-list{display:flex;flex-wrap:wrap;gap:7px;margin:15px 0}.criteria-list span{padding:6px 9px;font-size:12px;font-weight:700;border-radius:6px;background:#fff}.criteria-list .yes{color:#207765;border:1px solid #afcec1}.criteria-list .no{color:#a4543d;border:1px solid #e6bcad}.feedback-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.text-button{border:0;background:none;color:var(--teal);text-decoration:underline;font-weight:700;padding:8px 0}.round-summary{text-align:center;padding:25px 10px}.round-summary strong{font:normal 78px Georgia,serif;display:block;line-height:1;color:var(--teal)}.round-summary h2{margin:12px 0}.round-summary p{max-width:530px;margin:10px auto 25px;color:#607a72}.summary-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.section-header{margin-bottom:36px}.section-header h1{font-size:clamp(48px,5vw,72px)}.section-header>p:last-child{margin-top:19px}.letters-controls{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:21px}.letters-controls input{width:min(100%,350px);background:#fff;border:1px solid var(--line);border-radius:8px;padding:13px 15px;color:var(--ink)}.filter-set{display:flex;gap:5px;background:#e8eee8;padding:4px;border-radius:8px}.filter-set button{border:0;background:transparent;border-radius:6px;padding:9px 10px;color:#5e7772;font-size:12px;font-weight:800}.filter-set button.active{background:#fff;color:var(--ink);box-shadow:0 1px 5px #cfd9d0}.letter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.letter-card{border:1px solid var(--line);background:#fff;display:grid;grid-template-columns:64px 1fr;gap:16px;text-align:left;border-radius:10px;padding:18px;transition:.2s}.letter-card:hover{border-color:#a0c6ba;transform:translateY(-2px);box-shadow:var(--shadow)}.letter-glyph{font:normal 53px/.95 Georgia,serif;color:var(--teal)}.letter-card h3{margin:0 0 4px;font-size:15px}.letter-card p{margin:0;color:#68807b;font-size:12px;line-height:1.45}.letter-card .multi-tag{display:inline-block;margin-top:7px;color:#bd663e;font-weight:800;font-size:10px;letter-spacing:.08em}.letter-details{grid-column:1/-1;padding-top:12px;border-top:1px solid var(--line);display:none;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.letter-card.open .letter-details{display:grid}.letter-details div{background:#f4f7f3;padding:10px;border-radius:6px}.letter-details span{display:block;color:#8a9a96;font-size:10px;text-transform:uppercase;letter-spacing:.1em;font-weight:800}.letter-details strong{display:block;font-size:12px;margin-top:3px;font-weight:700}.source-note{margin-top:25px;background:#e7eee7;border-left:4px solid var(--teal);padding:19px 22px;border-radius:0 8px 8px 0}.source-note strong{font-size:15px}.source-note p{color:#566e68;margin:5px 0 0;font-size:14px}.atlas-legend{display:flex;gap:20px;flex-wrap:wrap;margin:-10px 0 24px;font-size:12px;color:#728680;font-weight:700}.legend-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px}.legend-dot.teal{background:var(--teal)}.legend-dot.orange{background:var(--orange)}.legend-dot.blue{background:var(--blue)}.atlas-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.atlas-card{background:#fff;border:1px solid var(--line);border-radius:11px;display:grid;grid-template-columns:130px 1fr;min-height:177px;overflow:hidden}.atlas-visual{background:#f2f6f1;border-right:1px solid var(--line);display:grid;place-items:center;padding:18px}.atlas-visual img{width:100%;max-height:115px;object-fit:contain;mix-blend-mode:multiply}.atlas-copy{padding:18px}.atlas-copy small{color:var(--teal);font-size:10px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.atlas-copy h3{margin:5px 0 6px;font:normal 21px/1.16 Georgia,serif}.atlas-copy p{margin:0;color:#6b7e79;font-size:12px}.atlas-copy button{background:none;border:0;padding:0;color:var(--teal);font-size:12px;font-weight:800;margin-top:13px}.source-dialog{border:1px solid var(--line);border-radius:13px;padding:29px;background:#fff;max-width:min(940px,94vw);box-shadow:0 30px 80px #102d3540}.source-dialog::backdrop{background:#0b262ac0}.dialog-close{border:0;background:#edf3ed;border-radius:50%;width:35px;height:35px;font-size:24px;position:absolute;right:19px;top:17px}.source-dialog h2{margin:8px 0 20px}.source-dialog img{display:block;width:100%;max-height:68vh;object-fit:contain;border:1px solid var(--line)}.source-dialog p:not(.overline){color:#637873;font-size:13px}.source-dialog a{color:var(--teal);font-weight:800;font-size:13px}
.cards-toolbar{display:flex;align-items:center;gap:12px;justify-content:center;margin:15px 0}.cards-toolbar span{font-weight:900;min-width:75px;text-align:center}.icon-button{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:20px}.ghost-button.compact{padding:9px 13px;margin-left:20px}.flash-card{width:min(100%,750px);min-height:400px;margin:0 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;background:#fff;border:1px solid #b8cfc3;border-radius:16px;box-shadow:var(--shadow);text-align:center;color:var(--ink);position:relative;transition:transform .2s}.flash-card:hover{transform:translateY(-3px)}.flash-card:before{content:"21.208 / КАРТОЧКА";position:absolute;top:22px;left:25px;color:var(--teal);letter-spacing:.15em;font-size:10px;font-weight:900}.flash-card .card-big{font:normal clamp(55px,8vw,104px) Georgia,serif;letter-spacing:-.04em}.flash-card img{height:155px;max-width:180px;object-fit:contain;mix-blend-mode:multiply}.flash-card .card-answer{max-width:560px;font:normal clamp(23px,3vw,36px)/1.25 Georgia,serif}.flash-card .card-meta{font-size:11px;letter-spacing:.13em;color:var(--teal);font-weight:900;margin-top:21px}.card-instruction{text-align:center;color:#849793;font-size:13px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.stat{padding:22px 25px;background:#fff;border:1px solid var(--line);border-radius:10px}.stat span{display:block;color:var(--teal);font-size:11px;font-weight:900;letter-spacing:.13em}.stat strong{display:block;font:normal 47px Georgia,serif;margin-top:10px}.progress-head{display:flex;align-items:center;justify-content:space-between;margin:37px 0 15px}.progress-head span{font-size:12px;font-weight:800;color:var(--teal)}.plan-list{display:grid;gap:10px}.plan-item{border:1px solid var(--line);border-radius:10px;background:#fff;padding:20px 22px;display:grid;grid-template-columns:34px 75px minmax(0,1fr) auto;gap:16px;align-items:center}.plan-item input{accent-color:var(--teal);width:22px;height:22px}.plan-time{font:normal 24px Georgia,serif;color:var(--teal)}.plan-item h3{margin:0;font-size:16px}.plan-item p{margin:4px 0 0;color:#72847e;font-size:13px}.plan-item .plan-range{font-size:11px;letter-spacing:.1em;color:#90a19a;font-weight:800}.plan-item.done{background:#eef6ef}.progress-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:21px}.source-link{font-size:13px;font-weight:800;color:var(--teal)}.footer{border-top:1px solid var(--line);padding:22px 0 30px;display:flex;justify-content:space-between;gap:20px;color:#80938e;font-size:10px}.footer a{text-decoration:underline}
.atlas-visual svg{width:100%;max-height:115px}.flash-card svg{width:min(240px,85%);height:170px}.confusions{margin-top:32px}.confusions h2{font-size:25px;margin:0 0 15px}.confusion-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.confusion-grid>div{background:#fff;border:1px solid var(--line);border-radius:8px;padding:17px}.confusion-grid strong{font:normal 23px Georgia,serif;color:var(--teal)}.confusion-grid p{font-size:12px;color:#637a74;line-height:1.55;margin:7px 0 0}
@media(max-width:1100px){.app-shell{grid-template-columns:215px minmax(0,1fr)}.sidebar{padding-left:16px;padding-right:16px}.main{padding:0 35px}.hero-grid{grid-template-columns:1fr 150px}.hero-stamp{width:145px;height:145px}.hero-stamp strong{font-size:28px}.atlas-card{grid-template-columns:110px 1fr}.atlas-copy h3{font-size:19px}.quick-hint{display:none}}
@media(max-width:1000px){.atlas-grid,.question-card{grid-template-columns:1fr}.symbol-stage{min-height:235px}.symbol-stage .tag-svg{height:180px}}
@media(max-width:800px){.app-shell{display:block}.sidebar{position:sticky;top:0;width:100%;height:auto;padding:10px 17px;display:block}.brand{display:none}.sidebar-kicker,.sidebar-bottom{display:none}.nav{display:flex;overflow:auto;gap:3px;scrollbar-width:none}.nav-item{white-space:nowrap;padding:9px 10px;font-size:11px}.nav-icon{display:none}.nav-arrow{display:none}.main{padding:0 24px}.topbar{min-height:54px}.save-status{display:none}.view{padding-top:37px}.hero-grid{grid-template-columns:1fr}.hero-stamp{display:none}.section-header h1,h1{font-size:clamp(42px,10vw,67px)}.hero-copy{font-size:15px}.quick-start{padding:22px}.rule-strip{align-items:flex-start;flex-wrap:wrap}.rule-num{min-width:100%}.inline-link{margin-left:0}.question-card{grid-template-columns:1fr}.symbol-stage{min-height:235px}.letter-grid,.atlas-grid{grid-template-columns:1fr}.footer{flex-direction:column}}
@media(max-width:530px){.main{padding:0 17px}.topbar .eyebrow{font-size:9px}.quick-head{align-items:flex-start;flex-direction:column}.round-size{width:100%;justify-content:space-between}.round-size button{flex:1}.quick-actions{align-items:stretch;flex-direction:column}.quick-actions button{justify-content:center}.question-work h3{font-size:26px}.quiz-panel{padding:17px}.letters-controls{flex-direction:column;align-items:stretch}.letters-controls input{width:100%}.filter-set{overflow:auto}.filter-set button{white-space:nowrap}.atlas-card{grid-template-columns:103px 1fr;min-height:160px}.atlas-copy{padding:13px}.atlas-copy h3{font-size:17px}.atlas-copy p{font-size:11px}.letter-card{grid-template-columns:48px 1fr}.letter-glyph{font-size:45px}.letter-details{grid-template-columns:1fr}.confusion-grid{grid-template-columns:1fr}.stats-grid{gap:7px}.stat{padding:16px 12px}.stat span{font-size:9px}.stat strong{font-size:35px}.plan-item{grid-template-columns:25px 50px 1fr;gap:9px;padding:15px}.plan-range{display:none}.flash-card{min-height:340px}.footer{font-size:9px}}