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solid var(--accent);max-width:46rem;margin:2em 0;padding:26px 28px}.homework h2{margin:0 0 10px;font-size:1.4rem}.homework .task{font-family:var(--font-read);color:var(--ink);font-size:1.1rem;line-height:1.65}.homework ul.checks{margin:16px 0;padding:0;list-style:none}.homework ul.checks li{margin:8px 0}.homework ul.checks label{cursor:pointer;color:var(--ink-2);align-items:flex-start;gap:12px;display:flex}.homework ul.checks input{width:18px;height:18px;accent-color:var(--ok);flex:none;margin-top:3px}.homework textarea{border-radius:var(--radius-m);border:1px solid var(--line);background:var(--bg);width:100%;min-height:96px;color:var(--ink);font:inherit;resize:vertical;padding:12px 14px}.rubric{color:var(--ink-2);margin-top:12px;font-size:.92rem}.rubric summary{cursor:pointer;color:var(--accent);font-weight:500}.steps{counter-reset:step;max-width:var(--measure);font-family:var(--font-read);margin:1.8em 0;padding:0;list-style:none}.steps>li{counter-increment:step;margin:0;padding:0 0 22px 52px;position:relative}.steps>li:before{content:counter(step);border:1px solid var(--accent);width:32px;height:32px;color:var(--accent);font:500 .88rem/30px var(--font-ui);text-align:center;background:var(--bg);border-radius:50%;position:absolute;top:0;left:0}.steps>li:after{content:"";background:var(--line);width:1px;position:absolute;top:38px;bottom:6px;left:16px}.steps>li:last-child:after{display:none}kbd.k{border:1px solid var(--line);border-bottom:2px solid var(--muted);border-radius:var(--radius-s);background:var(--surface);min-width:1.6em;font-family:var(--font-ui);text-align:center;color:var(--ink);padding:.06em .5em;font-size:.8em;font-weight:500;display:inline-block}.term{border-bottom:1px dashed var(--dusk);cursor:help;position:relative}.term-pop{z-index:30;border-radius:var(--radius-m);background:var(--raised);max-width:320px;color:var(--ink);border:1px solid var(--line);font:400 .88rem/1.5 var(--font-ui);box-shadow:var(--shadow);padding:10px 14px;position:absolute}.listen{font-family:var(--font-ui);border-radius:var(--radius-m);border:1px solid var(--line);background:var(--surface);max-width:var(--measure);align-items:flex-start;gap:16px;margin:1.6em 0;padding:16px 18px;display:flex}.listen .disc{background:radial-gradient(circle, var(--bg) 0 14%, var(--dusk) 15% 17%, var(--raised) 18% 100%);border:1px solid var(--line);border-radius:50%;flex:none;width:46px;height:46px}.listen .who{font-weight:600}.listen .what{color:var(--ink-2);font-size:.94rem}.listen .links{flex-wrap:wrap;gap:14px;margin-top:8px;font-size:.86rem;display:flex}.listen .links a{color:var(--dusk)}.listen .focus{color:var(--ink-2);margin-top:8px;font-size:.94rem}.grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;display:grid}.card{border-radius:var(--radius-m);background:var(--surface);border:1px solid var(--line);color:var(--ink);padding:20px;text-decoration:none;display:block}a.card:hover{border-color:var(--accent)}.card h3{margin:0 0 6px;font-size:1.05rem;font-weight:500}.card p{color:var(--muted);margin:0;font-size:.92rem}.progress-bar{background:var(--line);border-radius:99px;height:3px;overflow:hidden}.progress-bar>i{background:var(--accent);width:0;height:100%;transition:width .5s;display:block}dialog.search{border:1px solid var(--line);border-radius:var(--radius-l);background:var(--surface);width:min(720px,94vw);max-height:80vh;color:var(--ink);box-shadow:var(--shadow);margin-top:10vh;padding:0}dialog.search::backdrop{backdrop-filter:blur(3px);background:#040a0e99}.search-inner{padding:18px}.search-close{position:absolute;top:10px;right:10px}.toast{background:var(--raised);color:var(--ink);border:1px solid var(--line);border-radius:var(--radius-m);z-index:90;box-shadow:var(--shadow);padding:11px 18px;font-size:.92rem;position:fixed;bottom:22px;left:50%;transform:translate(-50%)}[hidden]{display:none!important}input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=time],select,textarea{color-scheme:inherit}.anno{--gutter:0px}.anno.has-pins{--gutter:40px;padding:0 var(--gutter)}@media (width<=560px){.anno.has-pins{--gutter:30px}}.figure-frame img{border-radius:var(--radius-m);display:block}.pinlayer{z-index:3}.pinbadge{color:#fbfbfa;box-sizing:content-box;width:24px;height:24px;font:600 .8rem/1 var(--font-ui,system-ui);background:#1d1c1a;border:2px solid #fbfbfa;border-radius:50%;place-items:center;margin:-2px 0 0 -2px;display:grid;position:absolute;box-shadow:0 0 0 1px #1d1c1a8c,0 1px 4px #00000040}.legend .num{color:#fbfbfa;width:24px;height:24px;box-shadow:0 0 0 1px var(--line);box-sizing:border-box;background:#1d1c1a;border:2px solid #fbfbfa;border-radius:50%;flex:none;place-items:center;margin-top:1px;font-size:.8rem;font-weight:600;display:grid}.legend li span b{color:inherit;width:auto;height:auto;font-weight:600;font-size:inherit;background:0 0;border-radius:0;margin:0;display:inline}.figure-frame{isolation:isolate}:root:not([data-theme=light]) img.tone-ui{filter:invert()hue-rotate(180deg)contrast(.92);mix-blend-mode:lighten;background:var(--surface-2)}:root:not([data-theme=light]) img.tone-dim{filter:brightness(.82)contrast(1.05)}:root:not([data-theme=light]) .lightbox{background:var(--surface-2)}:root:not([data-theme=light]) .lightbox img.tone-ui{mix-blend-mode:lighten}.level-page{max-width:46rem;margin:0 auto}.level-page .lesson-meta{flex-wrap:wrap;gap:8px;margin:0 0 28px;display:flex}.level-page .goals{border:1px solid var(--line);border-radius:var(--radius-l);background:var(--surface);margin:0 0 12px;padding:20px 22px;display:block}.level-page .goals h2{margin:0 0 8px;font-size:1.05rem;font-weight:600}.level-page section{margin-top:56px!important}.level-page section h2{font-size:1.5rem}@media (width<=520px){.header-tools{gap:0}.header-tools .icon-btn,.search-btn{width:36px;height:40px}.acct>summary{padding:0 10px}.brand{gap:8px;margin-right:0}.prose table{max-width:100%;display:block;overflow-x:auto}}.fm-l{color:var(--ink-2);gap:4px;margin:14px 0;font-size:.92rem;display:grid}.fm-l input,.fm-l select,.fm-l textarea,.fm-t input,.fm-t select{font:inherit;border:1px solid var(--line);border-radius:var(--radius-m);background:var(--surface);color:var(--ink);width:100%;min-width:0;padding:9px 10px}.fm-chk{border-bottom:1px solid var(--line-soft);align-items:flex-start;gap:10px;padding:10px 2px;line-height:1.45;display:flex}.fm-chk input{accent-color:var(--accent);margin-top:.32em}.fm-l textarea{resize:vertical;line-height:1.5}.fm-l input:focus,.fm-l select:focus,.fm-l textarea:focus{outline:2px solid var(--accent);outline-offset:1px}.fm-chk a{text-decoration:none}.fm-tw{overflow-x:auto}.fm-t{border-collapse:collapse;width:100%}.fm-t th,.fm-t td{text-align:left;padding:4px;font-weight:500}.fm-wc[data-ok="1"],.fm-words[data-ok="1"]{color:var(--ok)}.fm-wc[data-ok="0"],.fm-words[data-ok="0"]{color:var(--warn)}.fm-saved{color:var(--muted);min-height:1.4em}.fm-saved[data-ok="0"]{color:var(--danger)}.fm-saved[data-progress]:after{content:" · отмечено " attr(data-progress)}.fm-rub{border-radius:var(--radius-l);background:var(--accent-soft);margin:14px 0;padding:12px}.ab-tabs{flex-wrap:wrap;gap:6px;margin:12px 0;display:flex}.ab-tabs button{font:inherit;border-radius:var(--radius-m);border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;padding:8px 14px}.ab-tabs button[aria-selected=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}#sheetbar{flex-wrap:wrap;align-items:flex-end;gap:12px;display:flex}