/* Familingua — стили. Начало: макет 2026-09-20 */
:root{
  --bg:#EEF0EA; --paper:#FFFFFF; --ink:#1B2030; --ink-2:#5A6172; --ink-3:#9AA1B0;
  --line:#DDE1D9; --accent:#2B4CE0; --accent-ink:#FFFFFF; --sun:#F2B632; --sun-ink:#3A2A00;
  --ok:#2F9E63; --bad:#D9463B; --soft:#EEF1FF; --ad:#FFF4D6;
  --shadow:0 20px 60px rgba(27,32,48,.18);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#101319; --paper:#181C25; --ink:#EEF0F4; --ink-2:#AAB1C0; --ink-3:#6E7585;
    --line:#2A3040; --accent:#5F7CFF; --accent-ink:#0E1330; --soft:#20263A; --ad:#2E2A1C;
    --shadow:0 20px 60px rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"]{
  --bg:#101319; --paper:#181C25; --ink:#EEF0F4; --ink-2:#AAB1C0; --ink-3:#6E7585;
  --line:#2A3040; --accent:#5F7CFF; --accent-ink:#0E1330; --soft:#20263A; --ad:#2E2A1C;
  --shadow:0 20px 60px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Manrope,system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.45}
h1,h2,h3{font-family:Unbounded,Manrope,sans-serif;text-wrap:balance;margin:0;line-height:1.15}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;padding:0}
button:focus-visible{outline:3px solid var(--sun);outline-offset:2px}

/* весь экран — «телефон»; на широком окне просто колонка 520px по центру */
.phone{width:100%;height:100dvh;background:var(--paper);position:relative;display:flex;flex-direction:column;max-width:520px;margin:0 auto}
.screen{display:none;flex:1;flex-direction:column;overflow:hidden}
.screen.on{display:flex}
.body{flex:1;overflow-y:auto;padding:calc(12px + env(safe-area-inset-top)) 22px 24px;display:flex;flex-direction:column;gap:16px}
.body::-webkit-scrollbar{width:0}
.body.mid{justify-content:center}
.body.mid .spacer{flex:3}
.body.mid .spacer:first-of-type{flex:2}

.ad{background:var(--ad);color:var(--sun-ink);font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:space-between;padding:8px 22px;border-top:1px solid var(--line)}
:root[data-theme="dark"] .ad, :root:not([data-theme="light"]) .ad{color:var(--sun)}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]) .ad{color:var(--sun-ink)}}
.ad small{font-weight:500;opacity:.7;letter-spacing:.06em;text-transform:uppercase;font-size:10px}
.ad.top{border-top:0;border-bottom:1px solid var(--line)}

.eyebrow{font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--ink-3)}
.title{font-size:24px}
.sub{color:var(--ink-2);margin:0}
.big{width:100%;padding:16px;border-radius:16px;background:var(--accent);color:var(--accent-ink);font-weight:800;font-size:16px;text-align:center}
.ghost{width:100%;padding:14px;border-radius:16px;border:1.5px solid var(--line);font-weight:700;text-align:center;color:var(--ink-2)}
.row{display:flex;gap:10px;align-items:center}
.grow{flex:1}

.lang{display:flex;gap:14px;align-items:center;padding:18px;border-radius:20px;border:1.5px solid var(--line);width:100%;text-align:left}
@media (hover:hover){.lang:hover{border-color:var(--accent)}}
.lang .flag{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:28px;background:var(--soft)}
.lang b{display:block;font-size:17px}
.lang span{color:var(--ink-2);font-size:13px}

.bar{height:6px;background:var(--line);border-radius:3px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:3px;transition:width .4s}
.prompt{font-family:Unbounded,sans-serif;font-size:28px;font-weight:700;text-align:center;margin:-75px 0 85px}
.prompt small{display:block;font-family:Manrope;font-weight:500;font-size:14px;color:var(--ink-2);margin-top:8px}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
.opt{padding:18px 12px;border-radius:16px;border:1.5px solid var(--line);font-weight:700;font-size:16px;text-align:center;transition:transform .35s,opacity .35s,border-color .15s,background .15s}
@media (hover:hover){.opt:hover{border-color:var(--accent)}}
.opt.fly{transform:translateY(-140px) scale(.6);opacity:0}
.opt.wrong{animation:shake .4s;border-color:var(--bad);color:var(--bad)}
.opt.right{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,transparent)}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.sentence{font-size:24px;font-weight:600;text-align:center;line-height:1.5;margin:10px 0 0}
.slot{display:inline-block;min-width:90px;border-bottom:2.5px solid var(--accent);padding:0 6px;color:var(--accent);font-weight:800}
@media (prefers-reduced-motion:reduce){.opt{transition:none}.opt.wrong{animation:none}.bar i{transition:none}}

.level-card{background:var(--accent);color:var(--accent-ink);border-radius:24px;padding:26px 22px;text-align:center}
.level-card .lv{font-family:Unbounded;font-size:56px;font-weight:700;line-height:1}
.level-card p{margin:10px 0 0;opacity:.85}
.ladder{display:flex;gap:4px;margin-top:14px}
.ladder i{flex:1;height:8px;border-radius:4px;background:rgba(255,255,255,.3)}
.ladder i.done{background:var(--sun)}

.card{border:1.5px solid var(--line);border-radius:20px;padding:16px}
.fam{background:var(--soft);border:0}
.fam h3{font-size:14px;margin-bottom:10px}
.member{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:14px}
.ava{width:34px;height:34px;border-radius:50%;background:var(--sun);color:var(--sun-ink);font-weight:800;display:grid;place-items:center;font-size:13px}
.member .m{flex:1}
.member .m span{display:block;color:var(--ink-2);font-size:12px}
.pill{font-size:11px;font-weight:800;padding:4px 9px;border-radius:99px;background:var(--paper);letter-spacing:.04em}
.pill.lv{background:var(--accent);color:var(--accent-ink)}
.pill.ok{background:var(--ok);color:#fff}
.pill.free{background:var(--sun);color:var(--sun-ink)}
.pill.pro{background:var(--ink);color:var(--paper)}

.topics{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.topic{border:1.5px solid var(--line);border-radius:18px;padding:14px;text-align:left;display:flex;flex-direction:column;gap:6px;min-height:96px}
@media (hover:hover){.topic:hover{border-color:var(--accent)}}
.topic .ic{font-size:22px}
.topic b{font-size:14px}
.topic span{font-size:12px;color:var(--ink-2)}

.lesson{display:flex;gap:12px;align-items:center;padding:14px;border-radius:16px;border:1.5px solid var(--line);width:100%;text-align:left}
.lesson .n{width:36px;height:36px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-weight:800;font-family:Unbounded;font-size:13px}
.lesson b{display:block;font-size:14px}
.lesson span{font-size:12px;color:var(--ink-2)}
.lesson.locked{opacity:.6}
.lvtabs{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px}
.lvtabs button{padding:8px 14px;border-radius:99px;border:1.5px solid var(--line);font-weight:800;font-size:13px;white-space:nowrap}
.lvtabs button.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}

.tab{display:flex;border-top:1px solid var(--line);padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:var(--paper)}
.tab button{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;font-weight:700;color:var(--ink-3)}
.tab button.on{color:var(--accent)}
.tab button i{font-style:normal;font-size:20px}

.done-ring{width:120px;height:120px;border-radius:50%;margin:20px auto 0;display:grid;place-items:center;background:conic-gradient(var(--ok) 0 88%,var(--line) 88% 100%)}
.done-ring b{width:96px;height:96px;border-radius:50%;background:var(--paper);display:grid;place-items:center;font-family:Unbounded;font-size:26px}
.stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;text-align:center}
.stats div{background:var(--soft);border-radius:14px;padding:12px 6px}
.stats b{display:block;font-family:Unbounded;font-size:20px}
.stats span{font-size:11px;color:var(--ink-2);text-transform:uppercase;letter-spacing:.06em}

.pro-hero{background:var(--ink);color:var(--paper);border-radius:24px;padding:24px 20px}
.pro-hero h2{font-size:22px;margin-bottom:6px}
.pro-hero p{margin:0;opacity:.8;font-size:14px}
.feat{display:flex;gap:12px;align-items:flex-start;font-size:14px}
.feat i{font-style:normal;width:28px;height:28px;border-radius:9px;background:var(--soft);display:grid;place-items:center;flex:none}
.feat b{display:block}
.feat span{color:var(--ink-2);font-size:13px}
.price{border:2px solid var(--accent);border-radius:18px;padding:14px 16px;display:flex;justify-content:space-between;align-items:center}
.price b{font-size:17px}
.price span{color:var(--ink-2);font-size:12px;display:block}
.price .p{font-family:Unbounded;font-size:20px}
.price.dim{border-color:var(--line)}

.widget{background:var(--ink);color:var(--paper);border-radius:22px;padding:16px 18px}
.widget .w{font-family:Unbounded;font-size:22px}
.widget .t{opacity:.7;font-size:13px}
.widget .tag{font-size:10px;letter-spacing:.1em;text-transform:uppercase;opacity:.5;margin-bottom:6px}
.back{color:var(--ink-2);font-weight:700;font-size:14px;align-self:flex-start;text-align:left}
.toggle{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.sw{width:44px;height:26px;border-radius:13px;background:var(--accent);position:relative}
.sw::after{content:"";position:absolute;right:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff}
.sw.off{background:var(--line)}.sw.off::after{right:auto;left:3px}
.due{background:var(--accent);color:var(--accent-ink);border-radius:24px;padding:22px 20px;display:flex;align-items:center;gap:16px}
.due .n{font-family:Unbounded;font-size:44px;font-weight:700;line-height:1}
.due .t{flex:1}
.due .t b{display:block;font-size:15px}
.due .t span{opacity:.8;font-size:13px}
.due button{background:var(--paper);color:var(--accent);font-weight:800;padding:12px 16px;border-radius:14px;white-space:nowrap}
.mode{display:flex;gap:12px;align-items:center;padding:14px;border-radius:16px;border:1.5px solid var(--line);width:100%;text-align:left}
.mode i{font-style:normal;width:40px;height:40px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-size:20px;flex:none}
.mode b{display:block;font-size:14px}
.mode span{font-size:12px;color:var(--ink-2)}
.str{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.str:last-child{border:0}
.str .w{flex:1}
.str .w span{display:block;font-size:12px;color:var(--ink-2)}
.dots{display:flex;gap:3px}
.dots i{width:14px;height:6px;border-radius:3px;background:var(--line)}
.dots i.f{background:var(--ok)}
.dots.weak i.f{background:var(--bad)}
.dots.mid i.f{background:var(--sun)}
.rcard{border:1.5px solid var(--line);border-radius:24px;padding:36px 20px;text-align:center;min-height:220px;display:flex;flex-direction:column;justify-content:center;gap:8px;transition:transform .35s,opacity .35s}
.rcard .w{font-family:Unbounded;font-size:30px;font-weight:700}
.rcard .tr{color:var(--ink-2);font-size:15px;display:none}
.rcard.open .tr{display:block}
.rcard .ex{font-size:13px;color:var(--ink-3);display:none}
.rcard.open .ex{display:block}
.rcard.left{transform:translateX(-140%) rotate(-8deg);opacity:0}
.rcard.right{transform:translateX(140%) rotate(8deg);opacity:0}
.swipes{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.swipes button{padding:16px;border-radius:16px;font-weight:800;font-size:15px}
.swipes .no{background:color-mix(in srgb,var(--bad) 12%,transparent);color:var(--bad)}
.swipes .yes{background:color-mix(in srgb,var(--ok) 14%,transparent);color:var(--ok)}
.tab button{font-size:10px}
.spk{width:96px;height:96px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-size:40px;display:grid;place-items:center;margin:0 auto 6px;box-shadow:0 10px 30px color-mix(in srgb,var(--accent) 40%,transparent)}
.spk:active{transform:scale(.95)}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.chip{padding:10px 14px;border-radius:12px;border:1.5px solid var(--line);font-weight:700;font-size:15px}
.chip.used{opacity:.25;pointer-events:none}
.built{min-height:52px;border-bottom:2px solid var(--line);display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;padding:6px 0;margin-bottom:14px}
.built .chip{background:var(--soft);border-color:transparent;cursor:pointer}
.built.bad .chip{background:color-mix(in srgb,var(--bad) 12%,transparent)}
.built.ok{border-color:var(--ok)}.built.bad{border-color:var(--bad)}
.bubble{background:var(--soft);border-radius:18px 18px 18px 4px;padding:14px 16px;font-size:16px;font-weight:600;max-width:85%;align-self:flex-start}
.bubble small{display:block;font-weight:500;color:var(--ink-2);font-size:12px;margin-top:4px}
.who{font-size:11px;color:var(--ink-3);margin-bottom:4px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.replies{display:flex;flex-direction:column;gap:8px}
.replies .opt{text-align:left;border-radius:18px 18px 4px 18px;font-size:15px;padding:14px 16px}
.spk{width:96px;height:96px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-size:40px;display:grid;place-items:center;margin:0 auto 6px;box-shadow:0 10px 30px color-mix(in srgb,var(--accent) 40%,transparent)}
.spk:active{transform:scale(.95)}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.chip{padding:10px 14px;border-radius:12px;border:1.5px solid var(--line);font-weight:700;font-size:15px}
.chip.used{opacity:.25;pointer-events:none}
.built{min-height:52px;border-bottom:2px solid var(--line);display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;padding:6px 0;margin-bottom:14px}
.built .chip{background:var(--soft);border-color:transparent;cursor:pointer}
.built.bad .chip{background:color-mix(in srgb,var(--bad) 12%,transparent)}
.built.ok{border-color:var(--ok)}.built.bad{border-color:var(--bad)}
.bubble{background:var(--soft);border-radius:18px 18px 18px 4px;padding:14px 16px;font-size:16px;font-weight:600;max-width:85%;align-self:flex-start}
.bubble small{display:block;font-weight:500;color:var(--ink-2);font-size:12px;margin-top:4px}
.who{font-size:11px;color:var(--ink-3);margin-bottom:4px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.replies{display:flex;flex-direction:column;gap:8px}
.replies .opt{text-align:left;border-radius:18px 18px 4px 18px;font-size:15px;padding:14px 16px}
.wcard{border:1.5px solid var(--line);border-radius:24px;padding:28px 20px;text-align:center;background:var(--soft)}
.wcard .w{font-family:Unbounded;font-size:28px;font-weight:700}
.wcard .tr{font-size:17px;color:var(--ink-2);margin-top:6px}
.wcard .ex{margin-top:18px;font-size:15px;font-weight:600}
.wcard .extr{font-size:13px;color:var(--ink-3)}
.wcard .spk{width:56px;height:56px;font-size:24px;margin:14px auto 0}
.toast{position:absolute;left:22px;right:22px;top:70px;background:var(--ink);color:var(--paper);padding:12px 16px;border-radius:14px;font-size:13px;font-weight:600;box-shadow:var(--shadow);display:none;z-index:5}
.toast.on{display:block}

/* грамматика */
.gpage{border:1.5px solid var(--line);border-radius:20px;padding:18px;font-size:15px;line-height:1.55}
.gpage h3{font-size:16px;margin-bottom:8px}
.gpage table{width:100%;border-collapse:collapse;margin:12px 0;font-size:14px}
.gpage td{padding:8px 10px;border:1px solid var(--line);vertical-align:top}
.gpage td:first-child{background:var(--soft);font-weight:700;width:38%}
.gpage .exl{margin-top:12px;padding-left:12px;border-left:3px solid var(--sun);font-size:14px}
.gpage .exl div{margin:4px 0}
.gdots{display:flex;gap:6px;justify-content:center}
.gdots i{width:8px;height:8px;border-radius:50%;background:var(--line)}
.gdots i.on{background:var(--accent)}
.gtopic{display:flex;gap:12px;align-items:center;padding:14px;border-radius:16px;border:1.5px solid var(--line);width:100%;text-align:left}
.gtopic .n{width:36px;height:36px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-weight:800;font-family:Unbounded;font-size:13px}
.gtopic b{display:block;font-size:14px}.gtopic span{font-size:12px;color:var(--ink-2)}
.gtopic.soon{opacity:.45}
textarea.free{width:100%;min-height:120px;border:1.5px solid var(--line);border-radius:16px;padding:14px;font:inherit;font-size:15px;background:var(--paper);color:var(--ink);resize:none}
.aiout{background:var(--soft);border-radius:16px;padding:14px;font-size:14px;line-height:1.5}
.aiout b{color:var(--bad)}.aiout i{color:var(--ok);font-style:normal;font-weight:700}

/* темы оформления (как в GymGantel): light по умолчанию, dark, warm, night, auto = по системе */
:root[data-theme="dark"]{--bg:#101319;--paper:#181C25;--ink:#EEF0F4;--ink-2:#AAB1C0;--ink-3:#6E7585;--line:#2A3040;--accent:#5F7CFF;--accent-ink:#0E1330;--soft:#20263A;--ad:#2E2A1C;--shadow:0 20px 60px rgba(0,0,0,.5)}
:root[data-theme="warm"]{--bg:#F1EAE0;--paper:#FBF7F1;--ink:#2A221B;--ink-2:#6B5E52;--ink-3:#A3968A;--line:#E3D9CC;--accent:#C4623A;--accent-ink:#FFFFFF;--sun:#E0A93A;--soft:#F6E9DC;--ad:#F8ECD6;--ok:#4E9A5E}
:root[data-theme="night"]{--bg:#0B1220;--paper:#111A2E;--ink:#E6ECFA;--ink-2:#9FB0D0;--ink-3:#5E6F92;--line:#22304D;--accent:#3DDCB4;--accent-ink:#06261D;--sun:#F2C94C;--soft:#182640;--ad:#26301C;--shadow:0 20px 60px rgba(0,0,0,.6)}
:root[data-theme="light"]{--bg:#EEF0EA;--paper:#FFFFFF;--ink:#1B2030;--ink-2:#5A6172;--ink-3:#9AA1B0;--line:#DDE1D9;--accent:#2B4CE0;--accent-ink:#FFFFFF;--soft:#EEF1FF;--ad:#FFF4D6}
.theme-chips{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.theme-chip{border:1.5px solid var(--line);border-radius:14px;padding:8px 4px 6px;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:11px;font-weight:700;color:var(--ink-2)}
.theme-chip.active{border-color:var(--accent);color:var(--ink)}
.theme-chip .sw{width:100%;height:22px;border-radius:8px;display:flex;overflow:hidden}
.theme-chip .sw i{flex:1;display:block}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{padding:8px 12px;border-radius:99px;border:1.5px solid var(--line);font-weight:800;font-size:13px}
.seg button.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* задание vs подсказка: задание — крупно и тёмным, перевод — курсив серым с пометкой */
.target{font-family:Unbounded,sans-serif;font-size:22px;font-weight:700;color:var(--accent);text-align:center;line-height:1.35;margin:4px 0 14px}
.hintline{font-style:italic;color:var(--ink-2);font-size:14px;text-align:center}
.hintline::before{content:"перевод · ";font-style:normal;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.hintline.plain::before{content:""}
.built{border-bottom:2px solid var(--line)}

/* перевод — своим цветом; всё в уроке крупнее */
:root{--tr:#B4562C}
:root[data-theme="dark"],:root[data-theme="night"]{--tr:#F2B632}
:root[data-theme="warm"]{--tr:#2B6CB0}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]):not([data-theme="warm"]){--tr:#F2B632}}
.hintline{color:var(--tr);font-size:17px;font-weight:600}
.hintline::before{color:var(--tr);opacity:.7}
.hintline.plain{color:var(--ink-2);font-weight:500;font-size:15px}
.sentence{font-size:26px}
.target{font-size:24px}
.opt{font-size:18px;padding:19px 12px}
.chip{font-size:17px;padding:11px 15px}
.bubble{font-size:18px}
.bubble small{font-size:16px;color:var(--tr);font-weight:600}
.who{font-size:12px}
#lkind,#tstep,#lstep{font-size:12px}
.prompt{font-size:32px}
.prompt small{font-size:17px;color:var(--tr);font-weight:600}
.wcard .w{font-size:30px}.wcard .tr{font-size:19px;color:var(--tr);font-weight:600}.wcard .ex{font-size:17px}.wcard .extr{font-size:15px;color:var(--tr)}
.rcard .tr{color:var(--tr);font-weight:600;font-size:17px}

/* «почему так» — пояснение после ответа, A0–A1 */
.note{margin-top:14px;padding:12px 14px;border-radius:14px;background:var(--soft);font-size:15px;line-height:1.5;color:var(--ink);border-left:3px solid var(--sun)}
.note b{color:var(--ink-2);font-size:12px;letter-spacing:.06em;text-transform:uppercase;display:block;margin-bottom:2px}

/* поля ввода, шторка (как в GymGantel) */
.inp{padding:12px 14px;border-radius:14px;border:1.5px solid var(--line);background:var(--paper);color:var(--ink);font-size:16px;font-family:inherit;min-width:0}
.inp:focus{outline:none;border-color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:22px;padding:6px 8px;border-radius:12px;border:1.5px solid var(--line)}
.chip.on{border-color:var(--accent);background:var(--soft)}
.sheet-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:flex-end;z-index:50}
.sheet-overlay.on{display:flex}
.sheet{width:100%;max-width:520px;margin:0 auto;background:var(--paper);border-radius:22px 22px 0 0;padding:18px 18px calc(18px + env(safe-area-inset-bottom));max-height:85vh;overflow:auto}
/* пустые слоты — сколько слов ещё поставить */
.built .slot{height:36px;border-radius:12px;border:1.5px dashed var(--line);background:transparent}
.built .slot:first-child{border-color:var(--accent)}

/* шапка урока: «Назад» — заметная круглая кнопка (как у Duolingo/Busuu), «предыдущее» — обводкой, тема — цветной чип */
.lhead .back{width:38px;height:38px;border-radius:50%;background:var(--soft);color:var(--accent);display:grid;place-items:center;font-size:20px;font-weight:800;line-height:1;flex:none;padding:0}
.lhead .step{font-size:13px;font-weight:800;color:var(--ink-2);font-variant-numeric:tabular-nums}
.lsub .prev{font-size:13px;font-weight:700;color:var(--ink-2);padding:6px 12px;border-radius:999px;border:1.5px solid var(--line)}
.lsub .ltopic{font-size:12px;font-weight:800;letter-spacing:.04em;color:var(--accent);background:var(--soft);padding:6px 12px;border-radius:999px;max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* «почему так»: кнопка «Продолжить» и полоска-таймер */
.note .go{display:block;width:100%;margin-top:10px;padding:11px;border-radius:12px;background:var(--accent);color:var(--accent-ink);font-weight:800;font-size:15px;text-align:center}
.note .tm{height:3px;border-radius:2px;background:var(--line);margin-top:8px;overflow:hidden}
.note .tm i{display:block;height:100%;background:var(--accent);width:100%;transform-origin:left}