/* ENGLISH-CENTER.RU — спокойный, воздушный интерфейс: чёрные «пилюли», лаймовый акцент, мягкое стекло, пастельные плитки */
:root{
  color-scheme:light;
  --bg:#f6f7fb;--card:#fff;--ink:#0c1020;--ink2:#5a6377;--ink3:#8a93a6;
  --edge:rgba(15,23,42,.08);--edge2:rgba(15,23,42,.16);--tint:rgba(15,23,42,.045);
  --lime:#ffc857;--lime-d:#e0a41f;--lime-l:#fff3d6;
  --blue:#3b5bff;--good:#13a679;--good-l:#dcf7ec;--bad:#e5484d;--bad-l:#fde8e9;
  --glass:rgba(255,255,255,.72);
  --sh1:0 1px 2px rgba(15,23,42,.05),0 4px 14px rgba(15,23,42,.05);
  --sh2:0 2px 4px rgba(15,23,42,.05),0 16px 40px rgba(24,34,80,.12);
  --r:22px;
  --lvbg:#dcfce7;--lvfg:#15803d;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  color-scheme:dark;
  --bg:#090c14;--card:#121827;--ink:#eef1f8;--ink2:#a2abbe;--ink3:#6f7890;
  --edge:rgba(255,255,255,.09);--edge2:rgba(255,255,255,.18);--tint:rgba(255,255,255,.06);
  --lime-l:rgba(255,200,87,.15);--good-l:rgba(19,166,121,.2);--bad-l:rgba(229,72,77,.2);
  --glass:rgba(18,24,39,.72);
  --sh1:0 1px 2px rgba(0,0,0,.3);--sh2:0 20px 50px rgba(0,0,0,.45);
}}
.lv-pre-a1{--lvbg:#ffe1ec;--lvfg:#be185d}.lv-a1{--lvbg:#dcfce7;--lvfg:#15803d}.lv-a2{--lvbg:#cffafe;--lvfg:#0e7490}
.lv-b1{--lvbg:#dbeafe;--lvfg:#1d4ed8}.lv-b2{--lvbg:#ede9fe;--lvfg:#6d28d9}.lv-c1{--lvbg:#ffedd5;--lvfg:#c2410c}.lv-c2{--lvbg:#e5e7eb;--lvfg:#111827}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) [class*=lv-]{--lvbg:color-mix(in srgb,var(--lvfg) 22%,transparent);--lvfg:color-mix(in srgb,var(--lvfg) 40%,#fff)}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;position:relative;min-height:100vh;color:var(--ink);background:var(--bg);
  font:17px/1.65 system-ui,-apple-system,"SF Pro Text","Segoe UI Variable Text","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  letter-spacing:-.006em;-webkit-font-smoothing:antialiased;font-optical-sizing:auto}
body::before{content:"";position:absolute;inset:0 0 auto 0;height:760px;z-index:-1;pointer-events:none;
  background:radial-gradient(620px 320px at 12% -2%,rgba(255,200,87,.40),transparent 70%),radial-gradient(760px 380px at 88% 2%,rgba(129,140,248,.26),transparent 70%),radial-gradient(520px 300px at 55% 12%,rgba(255,170,140,.16),transparent 72%)}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) body::before{opacity:.55}}
a{color:var(--ink);text-decoration-color:var(--edge2);text-underline-offset:4px;text-decoration-thickness:1.5px}a:hover{text-decoration-color:var(--ink)}
h1,h2,h3{font-weight:760;letter-spacing:-.035em;line-height:1.08;margin:0;text-wrap:balance}
h1{font-size:clamp(2.1rem,5.4vw,3.6rem);margin:.15em 0 .45em;letter-spacing:-.045em}
h2{font-size:clamp(1.5rem,3.2vw,2.1rem);margin:2.3em 0 .65em}
h3{font-size:1.2rem;margin:1.6em 0 .4em;letter-spacing:-.02em;font-weight:700}
p{margin:.7em 0}
::selection{background:var(--lime);color:#111}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--card);padding:8px 12px;z-index:99;border-radius:10px}
.muted{color:var(--ink2)}.note{color:var(--ink2);font-size:.92rem}
.lead{font-size:clamp(1.08rem,2vw,1.3rem);color:var(--ink2);max-width:34em;line-height:1.55}
.good{color:var(--good);font-weight:650}
.bad-msg{background:var(--bad-l);padding:12px 16px;border-radius:14px;font-weight:550}
.ok-msg{background:var(--good-l);padding:12px 16px;border-radius:14px;font-weight:550}

/* ---------- плавающая шапка ---------- */
.top{position:sticky;top:12px;z-index:30;margin:12px auto 0;max-width:1440px;padding:0 14px}
.top-in{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 10px 8px 14px;border-radius:999px;background:var(--glass);
  -webkit-backdrop-filter:saturate(1.6) blur(18px);backdrop-filter:saturate(1.6) blur(18px);border:1px solid var(--edge);box-shadow:var(--sh1)}
.brand{flex:none;display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:780;letter-spacing:-.02em}
.brand-mark{background:var(--ink);color:var(--lime);border-radius:11px;padding:3px 8px;font-size:.88rem;letter-spacing:0}
.brand-t small{color:var(--ink3);font-weight:700}
.nav{display:flex;gap:2px;flex:1;justify-content:center;min-width:0}
.nav a{padding:7px 9px;border-radius:999px;text-decoration:none;color:var(--ink2);font-weight:550;font-size:.88rem;min-height:38px;display:inline-flex;align-items:center;white-space:nowrap;transition:background .15s,color .15s}
.nav a:hover{background:var(--tint);color:var(--ink)}
.nav a.on{background:var(--ink);color:var(--bg)}
.search input{border:1px solid var(--edge);border-radius:999px;padding:8px 16px;font:inherit;font-size:.9rem;width:130px;background:var(--tint);color:var(--ink);transition:width .2s,background .2s}
.search input:focus{width:160px;background:var(--card)}
.search input::placeholder{color:var(--ink3)}
.search.big input{width:100%;font-size:1.1rem;padding:14px 22px;background:var(--card);box-shadow:var(--sh1)}
.menu-btn{display:none;border:1px solid var(--edge);background:var(--card);border-radius:999px;font-size:1.15rem;min-width:44px;min-height:44px;cursor:pointer;color:var(--ink)}

/* ---------- каркас ---------- */
.layout{max-width:1200px;margin:0 auto;padding:0 20px}
.layout.has-side{display:grid;grid-template-columns:230px minmax(0,1fr);gap:40px}
.main{padding:26px 0 64px;min-width:0}
.side{padding:28px 0;font-size:.94rem}
.side a{display:block;padding:6px 12px;border-radius:12px;text-decoration:none;color:var(--ink2);font-weight:550;transition:background .15s}
.side a:hover{background:var(--tint);color:var(--ink)}.side a.on{background:var(--ink);color:var(--bg)}
.side h3{margin:1.2em 0 .4em 12px;font-size:.8rem;color:var(--ink3);letter-spacing:.02em;font-weight:650}
.side ul,.side ol{list-style:none;padding:0;margin:0}.side li{margin:1px 0}
.crumbs{font-size:.88rem;color:var(--ink3);margin-bottom:10px}.crumbs a{color:var(--ink3);text-decoration:none}.crumbs a:hover{color:var(--ink)}
.foot{margin-top:56px;border-top:1px solid var(--edge);background:var(--card)}
.foot-in{max-width:1200px;margin:0 auto;padding:36px 20px;display:grid;gap:12px;font-size:.92rem;color:var(--ink2)}
.foot b{color:var(--ink)}.foot a{color:var(--ink2)}.foot .muted{color:var(--ink3)}

/* ---------- кнопки ---------- */
.btn,button.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ink);color:var(--bg);border:1px solid transparent;border-radius:999px;padding:10px 22px;font:inherit;font-weight:650;text-decoration:none;cursor:pointer;min-height:46px;letter-spacing:-.01em;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(15,23,42,.22);color:var(--bg)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn.ghost{background:var(--card);color:var(--ink);border-color:var(--edge2)}.btn.ghost:hover{box-shadow:var(--sh1);background:var(--card);color:var(--ink);border-color:var(--ink)}
.btn.big{padding:14px 30px;font-size:1.05rem;min-height:56px}
.btn.small{padding:4px 14px;min-height:36px;font-size:.88rem}
.linkbtn{background:none;border:0;color:var(--ink2);text-decoration:underline;text-decoration-color:var(--edge2);font:inherit;cursor:pointer;padding:8px 4px;min-height:36px;font-weight:550}
.linkbtn:hover{color:var(--ink)}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:14px 0}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

/* ---------- главная ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:56px;align-items:center;padding:44px 0 20px}
.hero h1{max-width:11em;font-size:clamp(2.3rem,5vw,3.7rem)}
.hero .cta{background:none;border:0;padding:0;margin:1.6em 0 1.4em;display:flex;gap:12px;flex-wrap:wrap}
.hero .cta .btn:not(.ghost){background:var(--lime);color:#111;border-color:rgba(0,0,0,.06)}
.hero .cta .btn:not(.ghost):hover{background:#ffd47a;color:#111;box-shadow:0 10px 26px rgba(224,164,31,.38)}
.hero-stat{display:flex;gap:26px;flex-wrap:wrap;margin:0;color:var(--ink2);font-weight:500}
.hero-stat b{font-size:1.25rem;color:var(--ink);font-weight:760;margin-right:4px;letter-spacing:-.03em}
.hero-r{position:relative;background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--edge);border-radius:32px;padding:34px 26px 24px;box-shadow:var(--sh2)}
.hero-r .practice{margin:0}.hero-r .qcard{border:0;box-shadow:none;padding:4px 0;background:none}
.try{position:absolute;top:-15px;left:26px;margin:0;background:var(--ink);color:var(--bg);border-radius:999px;padding:4px 16px;font-weight:650;font-size:.84rem}
.try::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--lime);margin-right:8px;vertical-align:1px}

.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:16px 0}
.bento .tile{position:relative;display:flex;flex-direction:column;gap:6px;justify-content:flex-end;min-height:190px;padding:24px;border-radius:28px;text-decoration:none;color:#0c1020;background:var(--tn,#eef);overflow:hidden;transition:transform .2s,box-shadow .2s}
.bento .tile.wide{grid-column:span 2}
.bento .tile b{font-size:1.4rem;line-height:1.15;font-weight:740;letter-spacing:-.03em;max-width:12em}
.bento .tile small{font-size:.95rem;line-height:1.45;color:rgba(12,16,32,.66);max-width:24em}
.bento .tile::after{content:"↗";position:absolute;top:20px;right:20px;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.7);display:grid;place-items:center;font-size:1rem;transition:transform .2s,background .2s}
.bento .tile:hover{transform:translateY(-4px);box-shadow:var(--sh2);color:#0c1020}.bento .tile:hover::after{transform:rotate(45deg);background:#fff}
.tone-lilac{--tn:#e6e0ff}.tone-rose{--tn:#ffd9e8}.tone-sky{--tn:#d7e9ff}.tone-mint{--tn:#d3f5e4}.tone-peach{--tn:#ffe2d1}.tone-lime{--tn:var(--lime)}
.bento .tone-ink{--tn:#0c1020;color:#fff}.bento .tone-ink small{color:rgba(255,255,255,.7)}.bento .tone-ink:hover{color:#fff}.bento .tone-ink::after{background:rgba(255,255,255,.14);color:#fff}
@media (prefers-color-scheme:dark){
:root:not([data-theme=light]) .tone-lilac{--tn:#2a2550}:root:not([data-theme=light]) .tone-rose{--tn:#4a2036}:root:not([data-theme=light]) .tone-sky{--tn:#1b3354}:root:not([data-theme=light]) .tone-mint{--tn:#17392d}:root:not([data-theme=light]) .tone-peach{--tn:#4a2c1f}
:root:not([data-theme=light]) .bento .tone-lilac,:root:not([data-theme=light]) .bento .tone-sky,:root:not([data-theme=light]) .bento .tone-mint,:root:not([data-theme=light]) .bento .tone-peach{color:#fff}
:root:not([data-theme=light]) .bento .tone-lilac small,:root:not([data-theme=light]) .bento .tone-sky small,:root:not([data-theme=light]) .bento .tone-mint small,:root:not([data-theme=light]) .bento .tone-peach small{color:rgba(255,255,255,.7)}
:root:not([data-theme=light]) .bento .tone-ink{--tn:#1d2438}}

.cards{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));margin:14px 0}
.cards.cols3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.cards.cols4{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.card{position:relative;display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--edge);border-radius:var(--r);padding:20px;text-decoration:none;color:var(--ink);box-shadow:var(--sh1);transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:var(--edge2);color:var(--ink)}
.card b{font-size:1.08rem;line-height:1.25;font-weight:700;letter-spacing:-.02em}
.card small{color:var(--ink2);line-height:1.45;font-size:.92rem}
.card-b{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:4px}
.card-n{margin-top:auto;padding-top:10px;color:var(--ink3);font-weight:600;font-size:.86rem}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--lvbg);color:var(--lvfg);border-radius:999px;padding:1px 10px;font-size:.76rem;font-weight:700;line-height:1.6}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.soft{background:var(--tint);color:var(--ink2)}.badge.soft::before{display:none}
.chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.chip{display:inline-flex;align-items:center;padding:5px 16px;border-radius:999px;border:1px solid var(--edge2);background:var(--card);color:var(--ink);text-decoration:none;font:inherit;font-weight:600;font-size:.92rem;cursor:pointer;min-height:40px;transition:background .15s}
.chip:hover{background:var(--tint)}.chip.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.lvls{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.lvl{display:flex;flex-direction:column;background:var(--lvbg);color:var(--lvfg);border-radius:22px;padding:16px 18px;text-decoration:none;transition:transform .2s,box-shadow .2s}
.lvl:hover{transform:translateY(-3px);box-shadow:var(--sh2);color:var(--lvfg)}
.lvl b{font-size:1.7rem;letter-spacing:-.04em;font-weight:780;line-height:1.15}.lvl small{font-size:.82rem;line-height:1.35;opacity:.85}
.cta{background:var(--lime);border-radius:var(--r);padding:20px 22px;margin:22px 0;color:#111}
.empty{text-align:center;padding:44px 12px}
.checks,.checks2{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));padding:0;list-style:none}
.checks li,.checks2 li{background:var(--card);border:1px solid var(--edge);border-radius:18px;padding:16px 16px 16px 50px;position:relative;box-shadow:var(--sh1)}
.checks li::before,.checks2 li::before{content:"✓";position:absolute;left:16px;top:16px;width:24px;height:24px;border-radius:50%;background:var(--lime);color:#111;font-size:.78rem;display:grid;place-items:center;font-weight:800}

/* ---------- тема ---------- */
.topic{max-width:56em}
.topic>header .meta{display:flex;gap:6px;flex-wrap:wrap;align-items:center;color:var(--ink2);font-size:.9rem;margin:6px 0 4px}
.theory{background:var(--card);border:1px solid var(--edge);border-radius:var(--r);padding:8px 28px 24px;margin:20px 0;box-shadow:var(--sh1)}
.theory p,.theory li{max-width:44em}.theory h2{margin-top:1em}.theory>:first-child{margin-top:.9em}
.words{columns:2;gap:28px}.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.tablewrap{overflow-x:auto;margin:16px 0;border:1px solid var(--edge);border-radius:18px;background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{padding:10px 16px;border-bottom:1px solid var(--edge);text-align:left;vertical-align:top}
th{background:var(--tint);font-weight:650;color:var(--ink2);font-size:.86rem}tr:last-child td{border-bottom:0}
.tasks{padding-left:1.1em}.ins{color:var(--ink2);margin:0 0 6px;font-weight:550;font-size:.95rem}
.meta{color:var(--ink2);font-size:.9rem}
.results{list-style:none;padding:0}.results li{padding:14px 0;border-bottom:1px solid var(--edge)}
.pager{display:flex;gap:8px;margin:14px 0}
.eyebrow{font-weight:650;color:var(--ink2);margin:0}

/* ---------- практика ---------- */
.practice{margin:22px 0}
.stage{max-width:780px}
.pbar{display:flex;align-items:center;gap:14px;margin-bottom:12px;font-weight:650;font-size:.92rem;color:var(--ink2)}
.ptrack{flex:1;height:8px;background:var(--tint);border-radius:999px;overflow:hidden}
.ptrack i{display:block;height:100%;background:var(--ink);border-radius:999px;transition:width .3s}
.timer{margin-left:auto;font-weight:760;color:var(--bad);font-size:1.3rem;font-variant-numeric:tabular-nums}
.qcard{background:var(--card);border:1px solid var(--edge);border-radius:28px;padding:26px;box-shadow:var(--sh2)}
.q{font-size:clamp(1.25rem,2.6vw,1.6rem);line-height:1.4;margin:.3em 0 .9em;font-weight:680;letter-spacing:-.03em}
.passage{background:var(--tint);margin:0 0 14px;padding:14px 18px;border-radius:16px;color:var(--ink2)}
.opts{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.opt{display:flex;align-items:center;gap:12px;text-align:left;background:var(--card);border:1px solid var(--edge2);border-radius:18px;padding:13px 16px;font:inherit;font-size:1.08rem;font-weight:600;cursor:pointer;min-height:58px;color:var(--ink);transition:transform .12s,border-color .15s,background .15s,box-shadow .15s}
.opt:hover:not(:disabled){border-color:var(--ink);background:var(--lime-l);transform:translateY(-1px);box-shadow:var(--sh1)}
.opt:active:not(:disabled){transform:scale(.985)}
.opt .k{background:var(--tint);color:var(--ink2);border-radius:8px;min-width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700}
.opt.right{background:var(--good-l)!important;border-color:var(--good)!important}.opt.right .k{background:var(--good);color:#fff}
.opt.wrong{background:var(--bad-l)!important;border-color:var(--bad)!important}.opt.wrong .k{background:var(--bad);color:#fff}
.opt:disabled{cursor:default;color:var(--ink)}.opt:disabled:not(.right):not(.wrong){opacity:.5}
input.ans{font:inherit;font-size:1.12rem;font-weight:600;padding:8px 14px;border:1px solid var(--edge2);border-bottom:2px solid var(--ink);border-radius:12px 12px 4px 4px;min-width:9em;max-width:100%;margin:0 4px;background:var(--lime-l);color:var(--ink)}
input.ans.right{background:var(--good-l);border-color:var(--good)}input.ans.wrong{background:var(--bad-l);border-color:var(--bad)}
.vis{display:flex;align-items:center;gap:14px;margin:6px 0 12px}
.swatch{display:inline-block;width:88px;height:88px;border-radius:24px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.1),var(--sh1)}
.dots{display:inline-flex;flex-wrap:wrap;gap:7px;max-width:280px}.dots i{width:24px;height:24px;border-radius:50%;background:var(--lime);box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}
.speak{border:1px solid var(--edge2);background:var(--card);border-radius:50%;width:50px;height:50px;font-size:1.25rem;cursor:pointer;transition:transform .15s,box-shadow .15s}
.speak:hover{box-shadow:var(--sh1);transform:scale(1.05)}
.seq-line{min-height:62px;border:1.5px dashed var(--edge2);border-radius:18px;padding:9px;display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;background:var(--tint)}
.seq-line.right{background:var(--good-l);border:1.5px solid var(--good)}.seq-line.wrong{background:var(--bad-l);border:1.5px solid var(--bad)}
.seq-bank{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px}
.tok{background:var(--card);border:1px solid var(--edge2);color:var(--ink);border-radius:14px;padding:8px 16px;font:inherit;font-size:1.05rem;font-weight:600;cursor:pointer;min-height:46px;box-shadow:var(--sh1);transition:transform .12s}
.tok:hover:not(:disabled){transform:translateY(-1px);border-color:var(--ink)}
.match{display:grid;grid-template-columns:1fr 1fr;gap:14px}.col{display:grid;gap:10px;align-content:start}
.col .tile{min-height:52px;padding:10px 14px;border-radius:16px;background:var(--card);border:1px solid var(--edge2);font:inherit;font-size:1.05rem;font-weight:600;cursor:pointer;color:var(--ink);text-align:center;transition:border-color .15s,background .15s}
.col .tile:hover:not(:disabled){border-color:var(--ink)}
.col .tile.sel{background:var(--lime-l);border-color:var(--ink)}
.col .tile.right{background:var(--good-l);border-color:var(--good)}.col .tile.wrong{background:var(--bad-l);border-color:var(--bad)}
.col .tile:disabled{cursor:default;color:var(--ink)}
.grp-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;border:1.5px solid transparent;border-radius:16px;padding:8px;margin-bottom:6px}
.grp-row.missing{border-color:var(--bad)}.grp-row.right{background:var(--good-l)}.grp-row.wrong{background:var(--bad-l)}
.grp-it{font-weight:650;min-width:7em}.grp-btns{display:flex;gap:6px;flex-wrap:wrap}
.fb{margin-top:18px;padding:14px 18px;border-radius:20px}
.fb.good{background:var(--good-l)}.fb.bad{background:var(--bad-l)}
.fb b{font-size:1.08rem}.fb .right{font-weight:700;margin-top:4px}.fb .why{margin-top:6px;color:var(--ink2)}
.fb-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-top:6px;font-size:.88rem}
.fb-row a{color:var(--ink2)}
.nextbox{margin-top:16px;text-align:right}
.summary{background:var(--card);border:1px solid var(--edge);border-radius:32px;padding:34px 24px;text-align:center;box-shadow:var(--sh2)}
.bigscore{font-size:clamp(3rem,10vw,4.6rem);font-weight:780;margin:.05em 0;letter-spacing:-.05em;line-height:1.05}
.summary .row{justify-content:center}
.intro{padding:6px 0}
.memgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.memcard{aspect-ratio:1.2;border-radius:20px;border:0;background:var(--ink);color:var(--lime);font:inherit;font-size:1.05rem;font-weight:700;cursor:pointer;padding:4px;min-height:68px;transition:transform .15s}
.memcard:hover{transform:translateY(-2px)}
.memcard.open{background:var(--card);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}.memcard.done{background:var(--good-l);color:var(--ink);box-shadow:none}

/* ---------- прогресс ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin:14px 0}
.stats>div{background:var(--card);border:1px solid var(--edge);border-radius:24px;padding:18px 20px;box-shadow:var(--sh1)}
.stats>div:nth-child(1){background:var(--lime);color:#111;border-color:transparent}.stats>div:nth-child(1) span{color:rgba(0,0,0,.6)}
.stats b{display:block;font-size:2.2rem;font-weight:760;letter-spacing:-.05em;line-height:1.1}.stats span{color:var(--ink2);font-size:.9rem;font-weight:550}
.daybars{display:flex;gap:7px;align-items:flex-end;height:150px;background:var(--card);border:1px solid var(--edge);border-radius:24px;padding:16px;box-shadow:var(--sh1)}
.daybar{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center}
.daybar i{display:block;width:100%;background:var(--ink);border-radius:8px 8px 3px 3px;min-height:3px}.daybar small{font-size:.7rem;color:var(--ink3);margin-top:4px}

/* ---------- формы и админка ---------- */
.form{display:grid;gap:14px;max-width:580px}.form label{display:grid;gap:6px;font-weight:600}
.form input:not([type=checkbox]),.form select,.form textarea,.builder input,.builder select,td input{font:inherit;padding:10px 14px;border:1px solid var(--edge2);border-radius:14px;background:var(--card);color:var(--ink);max-width:100%}
.form .chk,label.chk{display:flex;gap:8px;align-items:center;font-weight:500}
fieldset{border:1px solid var(--edge);border-radius:20px;padding:16px;display:grid;gap:12px;background:var(--card)}
.inline{display:inline}
.code{background:#0c1020;color:#e9edff;padding:18px;border-radius:18px;overflow:auto;font-size:.82rem;white-space:pre-wrap;word-break:break-word}
.builder{background:var(--card);border:1px solid var(--edge);border-radius:var(--r);padding:22px;display:grid;gap:14px;max-width:780px;box-shadow:var(--sh1)}
body.admin .main{max-width:1100px;margin:0 auto;padding:26px 20px 56px}
.admin-nav{display:flex;gap:4px;flex-wrap:wrap;align-items:center;flex:1}
.admin-nav a{padding:7px 12px;border-radius:999px;text-decoration:none;font-weight:600;color:var(--ink2)}.admin-nav a:hover{background:var(--tint);color:var(--ink)}

/* ---------- печать ---------- */
.sheet{background:#fff;color:#000;padding:20px;border:1px solid var(--edge);border-radius:16px;margin:16px 0}
.sheet ol{padding-left:1.3em}.sheet li{margin:.7em 0;break-inside:avoid}
.name-line{border-bottom:1px solid #000;display:inline-block;min-width:14em}
.keys{font-size:.9rem}.keysheet{break-before:page}
@media print{
  body{background:#fff!important;color:#000;font-size:12pt}body::before{display:none}
  .top,.foot,.side,.crumbs,.noprint,.skip,.menu-btn{display:none!important}
  .layout,.layout.has-side{display:block;max-width:none;padding:0}.main{padding:0}
  .sheet{border:0;padding:0;margin:0 0 16px}.sheet.keysheet{break-before:page}
  a{color:#000;text-decoration:none}
}

/* ---------- адаптив ---------- */
@media(max-width:1420px){
  .top-in{border-radius:28px}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .nav{display:none;order:5;width:100%;flex-direction:column;gap:2px;padding:6px 0 8px;justify-content:flex-start}.menu-open .nav{display:flex}
  .nav a{min-height:48px;justify-content:flex-start;font-size:1rem}
  .brand{flex:1 1 auto}.search{order:4}
}
@media(max-width:1000px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .hero{grid-template-columns:1fr;gap:44px;padding-top:28px}
  .layout.has-side{grid-template-columns:1fr;gap:0}.side{order:2;padding:0 0 20px}
  .two,.words{grid-template-columns:1fr;columns:1}
  .search{width:100%;order:6}.search input,.search input:focus{width:100%}
}
@media(max-width:600px){
  body{font-size:16px}
  .top{padding:0 10px}.layout{padding:0 16px}
  .qcard{padding:18px;border-radius:24px}.theory{padding:2px 18px 16px}
  .memgrid{grid-template-columns:repeat(3,1fr)}
  .bento{grid-template-columns:1fr}.bento .tile.wide{grid-column:auto}.bento .tile{min-height:150px}
  .match{gap:8px}.opts{grid-template-columns:1fr}.hero .cta{flex-direction:column}.btn.big{width:100%}
  .hero-r{padding:30px 16px 18px;border-radius:26px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Режим «Крупно для класса» (кабинет учителя) */
body.demo .practice{font-size:1.35rem}
body.demo .practice .q,body.demo .practice .prompt{font-size:2rem;line-height:1.3}
body.demo .practice .opts button,body.demo .practice .opt{font-size:1.5rem;padding:20px 22px;min-height:72px}
body.demo .noprint{font-size:.9rem}
body.demo .practice .btn{font-size:1.2rem;padding:16px 26px}

/* Детский режим: крупные кнопки, мягкие цвета, без таймеров */
body.kids .practice{font-size:1.15rem}
body.kids .practice .q,body.kids .practice .prompt{font-size:1.7rem;line-height:1.3}
body.kids .opts{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}
body.kids .opts button,body.kids .opts .opt{font-size:2.6rem;min-height:104px;border-radius:26px;border:2px solid rgba(12,16,32,.08);background:#fff;box-shadow:0 6px 0 rgba(12,16,32,.06);transition:transform .12s,box-shadow .12s}
body.kids .opts button:hover{transform:translateY(-2px);box-shadow:0 8px 0 rgba(12,16,32,.08)}
body.kids .opts button:active{transform:translateY(3px);box-shadow:0 2px 0 rgba(12,16,32,.08)}
body.kids .match button,body.kids .match .m-item{min-height:64px;font-size:1.45rem;border-radius:22px}
body.kids .speak{width:84px;height:84px;font-size:2.4rem;border-radius:50%;background:var(--lime);border:0;box-shadow:0 6px 0 var(--lime-d)}
body.kids .speak:active{transform:translateY(3px);box-shadow:0 2px 0 var(--lime-d)}
.side h3 a{display:inline;padding:0;background:none;color:inherit;font-weight:inherit}.side h3 a:hover{background:none;color:var(--ink)}
.side li a small{color:var(--ink3);font-weight:500;margin-left:4px}.side a.on small{color:inherit;opacity:.7}
.side h3{margin-top:1.4em}.has-side .main h2[id]{scroll-margin-top:96px}
.side details.grp{margin:6px 0;border-bottom:1px solid var(--line,rgba(0,0,0,.08));padding-bottom:6px}
.side details.grp>summary{cursor:pointer;list-style:none;padding:8px 12px;border-radius:12px;font-weight:700;font-size:.9rem;color:var(--ink)}
.side details.grp>summary::-webkit-details-marker{display:none}
.side details.grp>summary::before{content:"▸";display:inline-block;width:1.1em;color:var(--ink3);transition:transform .15s}
.side details.grp[open]>summary::before{transform:rotate(90deg)}
.side details.grp>summary:hover{background:var(--tint)}.side details.grp>summary small{color:var(--ink3);font-weight:500}
.side .side-all{margin:0 0 6px}.side .side-all a{font-weight:700}
.step-n{display:inline-grid;place-items:center;min-width:1.7em;height:1.7em;margin-right:6px;border-radius:50%;background:var(--lime);color:#0c1020;font-size:.8em;font-weight:760}
.roombox{margin:10px 0;padding:10px 14px;border:1px dashed var(--line,rgba(0,0,0,.2));border-radius:14px}.roombox summary{cursor:pointer;font-weight:650}
.roombox input{padding:6px 10px;border-radius:10px;border:1px solid var(--line,#ccc)}
.codegrid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.codeslip{border:1px dashed #999;border-radius:10px;padding:10px;text-align:center;break-inside:avoid}
.codeslip b{display:block;font-size:1.5rem;letter-spacing:.12em;margin-top:4px}.codeslip small{font-size:.7rem;color:var(--ink3);word-break:break-all}.codeslip.used{opacity:.45}.codeslip i{font-size:.75rem}
.roomsend{margin:14px 0;padding:12px 14px;border-radius:14px;background:var(--tint)}
@media(max-width:700px){.codegrid{grid-template-columns:repeat(2,1fr)}}
.achs{list-style:none;padding:0;margin:8px 0;display:flex;flex-wrap:wrap;gap:8px}.achs li{padding:7px 14px;border-radius:999px;background:var(--tint);color:var(--ink3);font-size:.92rem}
.achs li.on{background:var(--lime);color:#0c1020;font-weight:650}.nextstep{margin:10px 0;font-weight:600}
/* встраивание */
body.embed{background:var(--bg);color:var(--ink)}.embed-in{max-width:none;padding:14px 16px}.embed-in h1{font-size:1.35rem;margin:0 0 6px}.embed-in .practice{margin:10px 0}.embed-foot{font-size:.8rem;color:var(--ink3);margin:8px 0 0;text-align:right}
.embed-back{position:fixed;inset:0;z-index:200;background:rgba(10,14,28,.55);display:flex;align-items:flex-start;justify-content:center;overflow:auto;padding:24px 12px}
.embed-dlg{position:relative;background:var(--card);color:var(--ink);border-radius:28px;max-width:720px;width:100%;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.embed-dlg h2{margin:0 0 6px}.embed-dlg h3{margin:18px 0 8px;font-size:1rem}
.embed-x{position:absolute;top:16px;right:18px;width:38px;height:38px;border-radius:50%;border:1px solid var(--edge2);background:var(--card);color:var(--ink);font-size:1.4rem;cursor:pointer}
.embed-sizes{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.embed-opt{display:flex;flex-direction:column;gap:3px;text-align:left;padding:10px 12px;border-radius:16px;border:1px solid var(--edge2);background:var(--card);color:var(--ink);font:inherit;cursor:pointer}
.embed-opt small{color:var(--ink3);font-size:.76rem}.embed-opt.on{border-color:var(--ink);box-shadow:0 0 0 2px var(--lime)}
.embed-themes{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.embed-theme{display:inline-flex;align-items:center;gap:8px;padding:6px 12px 6px 6px;border-radius:999px;border:1px solid var(--edge2);background:var(--card);color:var(--ink);font:inherit;cursor:pointer}
.embed-theme i{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;border:2px solid}.embed-theme s{width:12px;height:12px;border-radius:50%}
.embed-cols{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:12px}.embed-cols label{display:inline-flex;align-items:center;gap:8px;font-size:.9rem}.embed-cols input{width:40px;height:32px;padding:0;border:1px solid var(--edge2);border-radius:8px;background:none;cursor:pointer}
.embed-code{width:100%;box-sizing:border-box;font:.82rem/1.45 ui-monospace,Menlo,monospace;background:#14172b;color:#e6e9f5;border:0;border-radius:16px;padding:14px;resize:vertical}
.embed-prev{width:100%;border:1px solid var(--edge2);border-radius:16px;background:var(--bg)}
body.embed-open{overflow:hidden}
@media(max-width:640px){.embed-sizes{grid-template-columns:repeat(2,1fr)}.embed-dlg{padding:20px 16px}}
@media print{.embed-back{display:none!important}}
.print-foot{display:none}
@page{size:A4;margin:14mm}
@media print{.print-foot{display:block;margin-top:14px;font-size:9pt;color:#555}.tasks li,.keys li{break-inside:avoid}}
body.embed::before,body.embed::after{display:none!important;background:none!important}body.embed{background:var(--bg)!important}
/* доступность */
html.a11y-large{font-size:120%}
html.a11y-contrast{--bg:#fff;--card:#fff;--ink:#000;--ink2:#111;--ink3:#222;--edge:#000;--edge2:#000;--lime:#ffd000;--tint:rgba(0,0,0,.08)}
html.a11y-contrast a{text-decoration:underline}html.a11y-contrast .qcard,html.a11y-contrast .card,html.a11y-contrast .tile{border:2px solid #000}
html.a11y-calm *,html.a11y-calm *::before,html.a11y-calm *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
html.a11y-nosound .speak{display:none!important}
.a11y{position:fixed;left:14px;bottom:14px;z-index:90}
.a11y-btn{width:46px;height:46px;border-radius:50%;border:1px solid var(--edge2);background:var(--card);color:var(--ink);font-weight:700;font-size:1rem;font-family:inherit;cursor:pointer;box-shadow:0 6px 18px rgba(15,23,42,.18)}
.a11y-pop{position:absolute;left:0;bottom:56px;width:250px;padding:14px 16px;border-radius:18px;background:var(--card);color:var(--ink);border:1px solid var(--edge2);box-shadow:0 16px 40px rgba(15,23,42,.25);display:grid;gap:8px}
.a11y-pop[hidden]{display:none}.a11y-pop label{display:flex;gap:8px;align-items:center;font-size:.95rem;cursor:pointer}
.a11y-pop input{width:20px;height:20px}
/* достижения */
.ach{margin:28px 0}.ach-head{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.ach-head h2{margin:0 0 4px}
.ach-ring{--p:0;position:relative;width:96px;height:96px;border-radius:50%;background:conic-gradient(var(--lime) calc(var(--p)*1%),var(--tint) 0);display:grid;place-items:center;flex:none}
.ach-ring::before{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--card)}.ach-ring b{position:relative;font-size:1.15rem;letter-spacing:-.02em}
.ach-cat{margin:1.6em 0 .6em;font-size:1rem;color:var(--ink2)}
.ach-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px}
.ach-card{--c1:#e0b48a;--c2:#b97a45;position:relative;display:flex;flex-direction:column;gap:4px;padding:16px 14px 14px;border-radius:22px;background:var(--card);border:1px solid var(--edge);text-align:center;align-items:center}
.ach-card.tier-s{--c1:#e4e8f0;--c2:#9aa6bd}.ach-card.tier-g{--c1:#ffe08a;--c2:#e0a41f}.ach-card.tier-v{--c1:#d8ccff;--c2:#7c5cff}
.ach-medal{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;font-size:2rem;background:radial-gradient(circle at 30% 25%,var(--c1),var(--c2));box-shadow:inset 0 -6px 12px rgba(0,0,0,.15),0 6px 16px rgba(15,23,42,.18);margin-bottom:6px;filter:grayscale(1) opacity(.45);transition:transform .2s}
.ach-card.got{border-color:var(--c2);box-shadow:0 8px 24px rgba(15,23,42,.1)}.ach-card.got .ach-medal{filter:none}.ach-card.got:hover .ach-medal{transform:rotate(-6deg) scale(1.06)}
.ach-card b{font-size:1rem;line-height:1.2}.ach-card small{color:var(--ink3);font-size:.82rem;line-height:1.35}
.ach-card:not(.got) b{color:var(--ink2)}.ach-card em{font-style:normal;font-size:.76rem;font-weight:700;color:var(--ink);background:var(--lime-l);padding:2px 10px;border-radius:999px;margin-top:4px}
.ach-bar{width:100%;height:6px;border-radius:99px;background:var(--tint);overflow:hidden;margin-top:6px}.ach-bar i{display:block;height:100%;background:var(--c2);border-radius:99px}
.ach-n{font-size:.74rem;color:var(--ink3)}
.ach-toasts{position:fixed;right:16px;bottom:16px;z-index:300;display:grid;gap:8px}
.ach-toast{--c2:#b97a45;display:flex;gap:12px;align-items:center;padding:12px 18px 12px 12px;border-radius:20px;background:var(--card);color:var(--ink);border:1px solid var(--c2);box-shadow:0 14px 36px rgba(15,23,42,.28);animation:achIn .4s ease;transition:opacity .4s,transform .4s}
.ach-toast.tier-s{--c2:#9aa6bd}.ach-toast.tier-g{--c2:#e0a41f}.ach-toast.tier-v{--c2:#7c5cff}.ach-toast.out{opacity:0;transform:translateY(10px)}
.ach-toast .ach-ico{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-size:1.5rem;background:var(--lime-l)}.ach-toast small{display:block;font-size:.72rem;color:var(--ink3)}
@keyframes achIn{from{opacity:0;transform:translateY(14px) scale(.96)}to{opacity:1;transform:none}}
.qr-line{display:flex;align-items:center;gap:14px;margin-top:18px;font-size:.9rem;break-inside:avoid}.qr-line p{margin:0}
/* Режим малыша: мягкая обратная связь, без красного */
body.preschool .fb.bad{background:#fff6e0;border-color:#f3d58a}
body.preschool .fb.bad b{color:#8a5a00}
body.preschool .timer{display:none}
.open-text{width:100%;min-height:150px;padding:14px;border:1.5px solid rgba(12,16,32,.15);border-radius:16px;font:inherit;line-height:1.5;resize:vertical;background:#fff}
.open-text:focus{outline:3px solid #6d8cff55;border-color:#6d8cff}
.open-crit{list-style:none;padding:0;display:grid;gap:8px}
.open-crit label{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border-radius:12px;background:#fff;border:1px solid rgba(12,16,32,.08);cursor:pointer}
.open-crit input{margin-top:4px;width:18px;height:18px}
.open-score{font-weight:700;margin:14px 0}
.open-models li{margin:8px 0;padding:10px 12px;background:#f1f6ff;border-radius:12px}
@media print{.open-text{border:1px solid #999}}
.pron-box{background:#fff;border:1px solid rgba(12,16,32,.08);border-radius:20px;padding:18px 20px;margin:18px 0}
.pair-stage .opts{display:flex;gap:12px;margin:14px 0;flex-wrap:wrap}
.pair-stage .opts button{font-size:1.4rem;padding:14px 28px;border-radius:16px;border:2px solid rgba(12,16,32,.1);background:#fff;cursor:pointer;font-weight:700}
.pair-stage .opts button.good{background:#dcf7e8;border-color:#16a36a}
.pair-stage .opts button.bad{background:#fde4e4;border-color:#e04848}
.rec-consent{display:flex;gap:10px;align-items:flex-start;margin:10px 0}
.rec-word{padding:10px 12px;border:1.5px solid rgba(12,16,32,.15);border-radius:12px;font:inherit;width:12rem}
.table-wrap{overflow-x:auto}