/* CHSB_PRO v2 — ink-indigo hero, highlighter-yellow identity, electric-blue action; soft bento cards */
:root{
  --bg:#f4f5fb; --bg-2:#eceef8; --card:#ffffff; --ink:#0d1330; --text:#232a45; --muted:#6a7290; --line:#e3e6f2; --line-2:#d5d9ea;
  --brand:#3d5afe; --brand-2:#2a43d6; --brand-soft:#eaeeff; --on-brand:#ffffff;
  --hi:#ffd23f; --hi-soft:#fff6d1; --on-hi:#0d1330;
  --ok:#14995b; --ok-soft:#e2f6ec; --bad:#e5484d; --bad-soft:#fdebec; --warn:#b26a00; --warn-soft:#fff2db;
  --gold:#f2b705; --silver:#9aa3b8; --bronze:#c97a3d;
  --hero:#0d1330; --hero-text:#ffffff; --hero-muted:#aab3d6;
  --shadow:0 1px 2px rgba(13,19,48,.04),0 8px 24px -12px rgba(13,19,48,.12);
  --shadow-lg:0 2px 4px rgba(13,19,48,.04),0 24px 48px -20px rgba(13,19,48,.25);
  --glass:rgba(255,255,255,.78);
  --f-display:"Unbounded","Segoe UI",system-ui,sans-serif;
  --f-body:"Onest","Segoe UI",system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --r:20px; --r-sm:12px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#080b1a; --bg-2:#0e1328; --card:#11172f; --ink:#f1f3ff; --text:#d9ddf0; --muted:#8f97b8; --line:#1e2645; --line-2:#2a3358;
  --brand:#7088ff; --brand-2:#8a9cff; --brand-soft:#1a2350; --on-brand:#080b1a;
  --hi:#ffd23f; --hi-soft:#33290b; --on-hi:#0d1330;
  --ok:#4fd18f; --ok-soft:#10301f; --bad:#ff7a7f; --bad-soft:#371a1f; --warn:#ffc266; --warn-soft:#352812;
  --gold:#f5c542; --silver:#aeb6cb; --bronze:#e0935a;
  --hero:#121a3d; --hero-text:#ffffff; --hero-muted:#a7b0d6;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -12px rgba(0,0,0,.5); --shadow-lg:0 24px 48px -20px rgba(0,0,0,.6);
  --glass:rgba(10,14,32,.72); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#080b1a; --bg-2:#0e1328; --card:#11172f; --ink:#f1f3ff; --text:#d9ddf0; --muted:#8f97b8; --line:#1e2645; --line-2:#2a3358;
  --brand:#7088ff; --brand-2:#8a9cff; --brand-soft:#1a2350; --on-brand:#080b1a;
  --hi:#ffd23f; --hi-soft:#33290b; --on-hi:#0d1330;
  --ok:#4fd18f; --ok-soft:#10301f; --bad:#ff7a7f; --bad-soft:#371a1f; --warn:#ffc266; --warn-soft:#352812;
  --gold:#f5c542; --silver:#aeb6cb; --bronze:#e0935a;
  --hero:#121a3d; --hero-text:#ffffff; --hero-muted:#a7b0d6;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -12px rgba(0,0,0,.5); --shadow-lg:0 24px 48px -20px rgba(0,0,0,.6);
  --glass:rgba(10,14,32,.72); color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-padding-top:150px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--f-body);-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(1200px 500px at 85% -10%,var(--brand-soft),transparent 60%),radial-gradient(900px 400px at -10% 10%,var(--hi-soft),transparent 55%);background-repeat:no-repeat}
a{color:var(--brand)}
h1,h2,h3{font-family:var(--f-display);color:var(--ink);line-height:1.12;text-wrap:balance;margin:0;letter-spacing:-.02em}
h1{font-size:clamp(28px,4.6vw,48px);font-weight:700}
h2{font-size:clamp(20px,2.6vw,26px);font-weight:700}
h3{font-size:16.5px;font-weight:600;letter-spacing:-.01em}
.wrap{max-width:1140px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
main.wrap{padding-block:26px 70px;min-height:60vh}
.loading{padding:60px 0;color:var(--muted)}
.muted{color:var(--muted)}
.num{font-variant-numeric:tabular-nums}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2.5px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:var(--hi);color:var(--on-hi)}

/* ---------- Header (glass) ---------- */
.top{position:sticky;top:0;z-index:30;background:var(--glass);backdrop-filter:saturate(1.6) blur(16px);-webkit-backdrop-filter:saturate(1.6) blur(16px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.top-in{max-width:1140px;margin:0 auto;display:flex;align-items:center;gap:14px;padding-block:10px;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.logo{font-family:var(--f-display);font-weight:800;font-size:19px;text-decoration:none;display:flex;align-items:center;gap:8px;color:var(--ink);letter-spacing:-.01em}
.logo-mark{width:32px;height:32px;border-radius:10px;background:#0d1330;border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;flex:none}
.logo-mark svg{width:18px;height:18px}
.logo-b{background:var(--hi);color:var(--on-hi);padding:1px 6px;border-radius:7px;margin-left:1px}
.nav{display:flex;gap:2px;margin-left:auto;background:var(--bg-2);border:1px solid var(--line);padding:4px;border-radius:14px}
.nav a{display:flex;align-items:center;gap:7px;color:var(--muted);text-decoration:none;padding:7px 13px;border-radius:10px;font-weight:600;font-size:14px;transition:color .15s,background .15s}
.nav a svg{width:17px;height:17px;flex:none}
.nav a:hover{color:var(--ink)}
.nav a.on{color:var(--ink);background:var(--card);box-shadow:var(--shadow)}
.theme-btn{flex:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--card);display:grid;place-items:center;cursor:pointer;color:var(--ink)}
.theme-btn svg{width:18px;height:18px}
.banner{background:var(--warn-soft);color:var(--warn);font-size:13.5px;border-bottom:1px solid var(--line)}
.banner .wrap{padding-block:8px}

/* ---------- Buttons & forms ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1.5px solid var(--brand);background:var(--brand);color:var(--on-brand);
  font-weight:700;border-radius:999px;padding:11px 20px;cursor:pointer;text-decoration:none;font-size:15px;white-space:nowrap;transition:transform .12s,box-shadow .2s,background .2s}
.btn:hover{background:var(--brand-2);border-color:var(--brand-2);box-shadow:0 8px 20px -8px var(--brand)}
.btn:active{transform:scale(.97)}
.btn.hi{background:var(--hi);border-color:var(--hi);color:var(--on-hi)}
.btn.hi:hover{box-shadow:0 8px 24px -8px var(--hi)}
.btn.ghost{background:transparent;color:var(--brand)}
.btn.ghost:hover{background:var(--brand-soft);box-shadow:none}
.btn.glass{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);color:#fff}
.btn.glass:hover{background:rgba(255,255,255,.16);box-shadow:none}
.btn.danger{background:transparent;border-color:var(--bad);color:var(--bad)}
.btn.danger:hover{background:var(--bad-soft);box-shadow:none}
.btn.sm{padding:7px 14px;font-size:13.5px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn .arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(3px)}
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:13px;font-weight:600;color:var(--muted)}
.input,select.input,textarea.input{width:100%;padding:11px 14px;border:1.5px solid var(--line-2);border-radius:var(--r-sm);background:var(--card);min-width:0;transition:border-color .15s,box-shadow .15s}
textarea.input{resize:vertical;min-height:80px;line-height:1.45}
.input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 4px var(--brand-soft)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.err{color:var(--bad);font-size:14px}

/* ---------- Surfaces ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.section{display:grid;gap:18px;margin-top:44px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:12px;flex-wrap:wrap}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);display:inline-flex;align-items:center;gap:8px}
.eyebrow::before{content:"";width:18px;height:2px;background:currentColor;border-radius:2px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:99px;font-size:12.5px;font-weight:600;background:var(--brand-soft);color:var(--brand);white-space:nowrap}
.chip.hi{background:var(--hi-soft);color:var(--warn)}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.bad{background:var(--bad-soft);color:var(--bad)}
.chip.mute{background:var(--bg-2);color:var(--muted)}

/* ---------- Hero (bento) ---------- */
.bento{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:14px}
.hero{position:relative;overflow:hidden;background:var(--hero);color:var(--hero-text);border-radius:28px;padding:clamp(24px,4vw,44px);isolation:isolate;min-height:360px;display:flex;flex-direction:column;justify-content:space-between;gap:28px}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(520px 320px at 92% 8%,rgba(61,90,254,.55),transparent 65%),radial-gradient(380px 260px at 70% 110%,rgba(255,210,63,.35),transparent 70%);}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:32px 32px;
  mask-image:radial-gradient(ellipse at 80% 20%,#000 20%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 80% 20%,#000 20%,transparent 70%)}
.hero h1{color:#fff;font-size:clamp(30px,4.8vw,54px)}
.hero h1 mark{background:var(--hi);color:var(--on-hi);padding:0 .18em;border-radius:.18em;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.hero p{font-size:17px;color:var(--hero-muted);max-width:50ch;margin:16px 0 26px}
.hero .badge{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#dfe5ff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:6px 12px;border-radius:99px}
.hero .badge i{width:8px;height:8px;border-radius:50%;background:#4fd18f;box-shadow:0 0 0 4px rgba(79,209,143,.25)}
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;justify-content:space-between;gap:16px;box-shadow:var(--shadow);min-width:0}
.stat .ico{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand)}
.stat .ico svg{width:20px;height:20px}
.stat:nth-child(2) .ico{background:var(--hi-soft);color:var(--warn)}
.stat:nth-child(3) .ico{background:var(--ok-soft);color:var(--ok)}
.stat:nth-child(4) .ico{background:var(--bad-soft);color:var(--bad)}
.stat b{display:block;font-family:var(--f-display);font-size:34px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1}
.stat span{font-size:13.5px;color:var(--muted)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;counter-reset:s}
.step{position:relative;padding:22px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);counter-increment:s}
.step::before{content:counter(s);font-family:var(--f-display);font-weight:700;font-size:14px;width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--ink);color:var(--card);margin-bottom:14px}
.step p{margin:6px 0 0;color:var(--muted);font-size:14.5px}

/* ---------- Grade tiles ---------- */
.grades{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.grade{--c:var(--brand);position:relative;display:flex;flex-direction:column;justify-content:space-between;min-height:150px;padding:18px;border-radius:var(--r);text-decoration:none;color:var(--text);overflow:hidden;isolation:isolate;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .2s cubic-bezier(.2,.8,.2,1),box-shadow .2s,border-color .2s}
.grade::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(160px 120px at 100% 0%,color-mix(in srgb,var(--c) 26%,transparent),transparent 70%)}
.grade:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--c) 45%,var(--line))}
.grade .g{font-family:var(--f-display);font-weight:800;font-size:58px;line-height:.9;color:var(--c);font-variant-numeric:tabular-nums;letter-spacing:-.04em}
.grade .lbl{font-size:13px;font-weight:600;color:var(--ink);margin-top:6px}
.grade .c{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12.5px;color:var(--muted)}
.grade .c .go{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--bg-2);color:var(--ink);transition:background .2s,color .2s}
.grade:hover .go{background:var(--c);color:#fff}
.grade.has .c b{color:var(--ok)}

/* ---------- Tabs ---------- */
.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tab{border:1px solid var(--line);background:var(--card);padding:8px 15px;border-radius:99px;cursor:pointer;font-weight:600;font-size:14px;color:var(--muted);display:inline-flex;gap:8px;align-items:center;transition:all .15s}
.tab:hover{color:var(--ink);border-color:var(--line-2)}
.tab .dot{width:9px;height:9px;border-radius:50%}
.tab.on{border-color:var(--ink);background:var(--ink);color:var(--card)}
.tab .n{font-variant-numeric:tabular-nums;font-size:12px;padding:1px 7px;border-radius:99px;background:var(--bg-2);color:var(--muted)}
.tab.on .n{background:rgba(255,255,255,.18);color:inherit}

/* ---------- Grade page header ---------- */
.page-head{position:relative;overflow:hidden;border-radius:28px;padding:clamp(22px,4vw,36px);background:var(--hero);color:#fff;isolation:isolate;display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap}
.page-head::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(420px 260px at 95% 0%,color-mix(in srgb,var(--c,#3d5afe) 70%,transparent),transparent 70%)}
.page-head h1{color:#fff}
.page-head a.back{color:#c3cbef;text-decoration:none;font-size:14px;font-weight:600}
.page-head .big{font-family:var(--f-display);font-weight:800;font-size:clamp(64px,10vw,110px);line-height:.8;color:var(--c,#3d5afe);letter-spacing:-.05em;filter:brightness(1.25)}

/* ---------- Test cards ---------- */
.tests{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:14px}
.test{display:flex;flex-direction:column;gap:12px;transition:transform .2s,box-shadow .2s}
.test:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.test-meta{display:flex;gap:6px;flex-wrap:wrap}
.test p{margin:0;font-size:14.5px;color:var(--muted)}
.test .foot-row{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line)}
.quarter{display:flex;align-items:center;gap:12px;margin:26px 0 12px}
.quarter::after{content:"";flex:1;height:1px;background:var(--line)}
.empty{padding:40px 24px;text-align:center;color:var(--muted);border:1.5px dashed var(--line-2);border-radius:var(--r);background:var(--card)}

/* ---------- Quiz ---------- */
.qhead{display:grid;gap:12px}
.qbar{position:sticky;top:calc(env(safe-area-inset-top,0px) + 64px);z-index:10;margin:18px 0;background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:18px;padding:12px 16px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;box-shadow:var(--shadow)}
.qbar .count{font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
.track{flex:1 1 120px;height:8px;border-radius:99px;background:var(--bg-2);overflow:hidden}
.track i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),#7c8cff);border-radius:99px;transition:width .35s cubic-bezier(.2,.8,.2,1);width:0}
.timer{font-family:var(--f-mono);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;padding:5px 12px;border-radius:10px;background:var(--ink);color:var(--card)}
.timer.low{background:var(--bad);color:#fff;animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.7}}
.dots{display:flex;flex-wrap:wrap;gap:5px;width:100%}
.dots a{width:28px;height:28px;display:grid;place-items:center;border-radius:9px;font-size:11.5px;font-weight:600;text-decoration:none;color:var(--muted);background:var(--card);border:1px solid var(--line);font-variant-numeric:tabular-nums;transition:all .15s}
.dots a.on{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.dots a.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.dots a.bad{background:var(--bad);border-color:var(--bad);color:#fff}
.q{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:14px;display:grid;gap:14px;box-shadow:var(--shadow)}
.q-top{display:flex;align-items:center;gap:10px}
.q-n{font-family:var(--f-display);font-weight:700;font-size:15px;color:var(--ink);min-width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--bg-2);font-variant-numeric:tabular-nums}
.lv{display:inline-grid;place-items:center;min-width:26px;height:26px;padding:0 6px;border-radius:8px;font:700 12px var(--f-display);color:#fff}
.lv.B{background:#14995b}.lv.Q{background:#3d5afe}.lv.M{background:#d97706}
.q-pts{margin-left:auto;font-size:12.5px;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums;background:var(--bg-2);padding:3px 10px;border-radius:99px}
.q-text{max-width:74ch;overflow-wrap:anywhere;font-size:16.5px;color:var(--ink)}
.q-text table{border-collapse:separate;border-spacing:0;margin:10px 0;width:100%;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.q-text td,.q-text th{border-bottom:1px solid var(--line);padding:8px 12px;text-align:left}
.q-text tr:last-child td{border-bottom:none}
.q-text th{background:var(--bg-2);font-size:13px}
.tblwrap{overflow-x:auto}
.q-img{max-width:100%;max-height:340px;width:auto;height:auto;border-radius:14px;border:1px solid var(--line);background:#fff;display:block;padding:6px}
.opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.opts.wide{grid-template-columns:1fr}
.opt{display:flex;align-items:center;gap:12px;text-align:left;background:var(--card);border:1.5px solid var(--line-2);border-radius:14px;padding:11px 14px;cursor:pointer;min-width:0;color:var(--text);transition:border-color .15s,background .15s,transform .1s}
.opt:hover{border-color:var(--brand);background:var(--brand-soft)}
.opt:active{transform:scale(.99)}
.opt .L{flex:none;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font:700 13px var(--f-display);background:var(--bg-2);color:var(--muted);transition:all .15s}
.opt .v{min-width:0;overflow-wrap:anywhere}
.opt.sel{border-color:var(--brand);background:var(--brand-soft)}
.opt.sel .L{background:var(--brand);color:var(--on-brand)}
.done .opt{cursor:default}
.done .opt:hover{background:var(--card);border-color:var(--line-2)}
.done .opt.right,.done .opt.right:hover{border-color:var(--ok);background:var(--ok-soft)}
.done .opt.right .L{background:var(--ok);color:#fff}
.done .opt.wrong,.done .opt.wrong:hover{border-color:var(--bad);background:var(--bad-soft)}
.done .opt.wrong .L{background:var(--bad);color:#fff}
.sol{border-radius:14px;padding:12px 16px;font-size:14.5px;background:var(--ok-soft);border:1px solid color-mix(in srgb,var(--ok) 30%,transparent)}
.sol b{color:var(--ok)}
.q.miss .sol{background:var(--bad-soft);border-color:color-mix(in srgb,var(--bad) 30%,transparent)}
.q.miss .sol b{color:var(--bad)}
.confirm{background:var(--warn-soft);border:1px solid color-mix(in srgb,var(--warn) 40%,transparent);color:var(--text);border-radius:16px;padding:12px 16px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}

/* ---------- Result ---------- */
.result{position:relative;overflow:hidden;background:var(--hero);color:#fff;border:none;display:grid;grid-template-columns:auto minmax(0,1fr);gap:24px;align-items:center;isolation:isolate}
.result::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(400px 260px at 100% 0%,rgba(61,90,254,.5),transparent 70%),radial-gradient(300px 200px at 0% 100%,rgba(255,210,63,.22),transparent 70%)}
.result h2{color:#fff}
.result .eyebrow{color:var(--hi)}
.result .muted{color:#b5bde0}
.ring{position:relative;width:150px;height:150px}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:12}
.ring .bgc{stroke:rgba(255,255,255,.12)}
.ring .fgc{stroke:var(--hi);stroke-linecap:round;transition:stroke-dashoffset 1.2s cubic-bezier(.2,.8,.2,1)}
.ring .lbl{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.ring .lbl b{font-family:var(--f-display);font-size:34px;line-height:1}
.ring .lbl small{color:#b5bde0;font-size:12px}
.score-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}
.score-grid div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:10px 14px}
.score-grid small{display:block;color:#b5bde0;font-size:11.5px;text-transform:uppercase;letter-spacing:.08em}
.score-grid strong{font-family:var(--f-display);font-size:26px;color:#fff;font-variant-numeric:tabular-nums}
.bigmark{font-family:var(--f-display);font-weight:800}
.bigmark.g5{color:var(--ok)}.bigmark.g4{color:var(--brand)}.bigmark.g3{color:var(--warn)}.bigmark.g2{color:var(--bad)}
.result .bigmark.g5{color:#4fd18f}.result .bigmark.g4{color:#8fa2ff}.result .bigmark.g3{color:#ffc266}.result .bigmark.g2{color:#ff8a8e}

/* ---------- Leaderboard ---------- */
.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.tablewrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
table.board{width:100%;border-collapse:collapse;font-size:14.5px;min-width:660px}
.board th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:14px;border-bottom:1px solid var(--line);font-weight:700;white-space:nowrap;background:var(--bg-2)}
.board td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.board tbody tr{transition:background .12s}
.board tbody tr:hover td{background:var(--bg-2)}
.board tr:last-child td{border-bottom:none}
.board td.r,.board th.r{text-align:right;font-variant-numeric:tabular-nums}
.board tr.me td{background:var(--hi-soft)}
.rank{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:10px;font:700 13px var(--f-display);font-variant-numeric:tabular-nums;color:var(--muted);background:var(--bg-2)}
.rank.r1{background:linear-gradient(135deg,#ffd76a,var(--gold));color:#3b2a00}
.rank.r2{background:linear-gradient(135deg,#dfe4ee,var(--silver));color:#22283a}
.rank.r3{background:linear-gradient(135deg,#f0b484,var(--bronze));color:#3a1c06}
.who b{display:block;color:var(--ink)}
.who small{color:var(--muted)}
.pctbar{display:flex;align-items:center;gap:10px;justify-content:flex-end}
.pctbar i{display:block;width:80px;height:6px;border-radius:9px;background:var(--bg-2);overflow:hidden}
.pctbar i::before{content:"";display:block;height:100%;width:var(--w);background:linear-gradient(90deg,var(--brand),#7c8cff);border-radius:9px}
.podium{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:end}
.pod{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;display:grid;gap:6px;min-width:0;box-shadow:var(--shadow)}
.pod:nth-child(1){order:2;padding-top:30px;border-color:color-mix(in srgb,var(--gold) 50%,var(--line));background:linear-gradient(180deg,color-mix(in srgb,var(--gold) 14%,var(--card)),var(--card))}
.pod:nth-child(2){order:1}
.pod:nth-child(3){order:3}
.pod .rank{width:38px;height:38px;font-size:15px}
.pod b{color:var(--ink);overflow-wrap:anywhere}
.pod .sc{font-family:var(--f-display);font-size:24px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}

/* ---------- Admin ---------- */
.admin-grid{display:grid;gap:14px}
.qedit{display:grid;gap:12px;border:1px solid var(--line);border-radius:var(--r);padding:18px;background:var(--card);box-shadow:var(--shadow)}
.qedit-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.optedit{display:grid;grid-template-columns:auto auto minmax(0,1fr);gap:10px;align-items:center}
.optedit input[type=radio]{width:18px;height:18px;accent-color:var(--ok)}
.thumb{max-height:140px;border-radius:10px;border:1px solid var(--line);background:#fff}
.preview-box{background:var(--bg-2);border:1px dashed var(--line-2);border-radius:12px;padding:12px 14px;font-size:14.5px}
code,.mono{font-family:var(--f-mono);font-size:.88em}
.help{font-size:13.5px;color:var(--muted);line-height:1.55}
.savebar{position:sticky;bottom:calc(12px + env(safe-area-inset-bottom,0px));background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}

.foot{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding-block:22px 34px;font-size:13.5px;color:var(--muted);border-top:1px solid var(--line)}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(24px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--card);padding:11px 20px;border-radius:999px;font-weight:600;z-index:60;box-shadow:var(--shadow-lg);max-width:calc(100% - 32px);animation:toastIn .25s cubic-bezier(.2,.8,.2,1)}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,10px)}}
.fade-in{animation:fadeUp .35s cubic-bezier(.2,.8,.2,1) both}
@keyframes fadeUp{from{opacity:.0001;transform:translateY(8px)}}

/* ---------- Responsive: bottom tab bar on phones ---------- */
@media (max-width:860px){
  .bento{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
}
@media (max-width:700px){
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))}
  .top{backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--card)}
  .stat{padding:16px;gap:10px}
  .stat b{font-size:28px}
  .nav{position:fixed;left:0;right:0;bottom:0;margin:0;border-radius:0;border:none;border-top:1px solid var(--line);background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    padding:6px max(10px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(10px,env(safe-area-inset-left,0px));justify-content:space-around;z-index:40}
  .nav a{flex-direction:column;gap:3px;font-size:11px;padding:6px 10px;flex:1;text-align:center}
  .nav a svg{width:22px;height:22px}
  .nav a.on{background:transparent;box-shadow:none;color:var(--brand)}
  .theme-btn{margin-left:auto}
  .opts{grid-template-columns:1fr}
  .podium{grid-template-columns:1fr}
  .pod:nth-child(n){order:0}
  .q{padding:16px}
  .result{grid-template-columns:1fr;justify-items:start}
  .hero{min-height:0}
  .toast{bottom:calc(90px + env(safe-area-inset-bottom,0px))}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
@media print{.top,.nav,.qbar,.foot,#banner,.btn{display:none!important}body{background:#fff}}

/* Formulas (MathJax SVG) */
.math{white-space:nowrap}
mjx-container{font-size:108%!important}
mjx-container[display="true"]{margin:.4em 0!important;overflow-x:auto;overflow-y:hidden;max-width:100%}
.opt mjx-container{font-size:104%!important}

/* Share sheet */
.btn.icon{padding:7px 10px}
.btn.icon svg{margin:0}
.share-back{position:fixed;inset:0;z-index:70;background:rgba(8,11,26,.55);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:grid;place-items:center;padding:16px max(16px,env(safe-area-inset-right,0px)) calc(16px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));animation:toastIn .2s ease}
.share-card{width:min(440px,100%);background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px;display:grid;gap:16px;box-shadow:var(--shadow-lg)}
.share-x{width:36px;height:36px;border-radius:12px;border:1px solid var(--line);background:var(--bg-2);font-size:22px;line-height:1;cursor:pointer;color:var(--ink);flex:none}
.share-text{margin:0;color:var(--muted);font-size:14.5px}
.share-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.share-app{display:grid;justify-items:center;gap:6px;padding:10px 4px;border-radius:14px;text-decoration:none;color:var(--text);font-size:12.5px;font-weight:600;background:none;border:none;cursor:pointer;transition:background .15s}
.share-app:hover{background:var(--bg-2)}
.share-app span{width:48px;height:48px;border-radius:50%;display:grid;place-items:center}
.share-link{display:flex;gap:8px}
.share-link .input{flex:1;min-width:0;font-size:13.5px;padding:9px 12px}
@media (max-width:700px){.share-back{align-items:end}.share-card{border-radius:24px 24px 18px 18px}}

/* Back button + author badge */
.back-btn{display:inline-flex;align-items:center;gap:4px;height:40px;padding:0 12px 0 8px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--ink);font-weight:600;font-size:14px;cursor:pointer;flex:none;transition:background .15s}
.back-btn:hover{background:var(--bg-2)}
.back-btn svg{width:20px;height:20px}
.hero .badge.author{color:#fff;background:rgba(255,210,63,.14);border-color:rgba(255,210,63,.4);font-weight:700;padding:4px 12px 4px 4px}
.hero .badge .av{width:24px;height:24px;border-radius:50%;background:var(--hi);color:var(--on-hi);display:grid;place-items:center;font:800 10.5px var(--f-display)}
@media (max-width:700px){.back-btn span{display:none}.back-btn{padding:0 8px}}

/* Academic year picker */
.year-pick{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 6px 0 10px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--ink);flex:none;cursor:pointer}
.year-pick svg{width:17px;height:17px;flex:none}
.year-pick select{border:none;background:transparent;font:600 14px var(--f-body);color:var(--ink);padding:0 2px;cursor:pointer;outline:none;font-variant-numeric:tabular-nums}
.year-pick:focus-within{outline:2.5px solid var(--brand);outline-offset:2px}
.year-banner{background:var(--brand-soft);color:var(--ink)}
@media (max-width:700px){.year-pick{margin-left:auto}.theme-btn{margin-left:0}.year-pick select{font-size:13px}}

/* Quarter selector */
.quarters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.qcard{position:relative;display:flex;align-items:center;gap:12px;text-align:left;padding:14px 16px;border-radius:18px;border:1.5px solid var(--line);background:var(--card);color:var(--text);cursor:pointer;box-shadow:var(--shadow);transition:border-color .15s,transform .15s;min-width:0}
.qcard:hover{transform:translateY(-2px);border-color:var(--line-2)}
.qcard .qn{flex:none;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font:800 20px var(--f-display);background:var(--bg-2);color:var(--ink)}
.qcard .ql{display:grid;min-width:0}
.qcard .ql b{color:var(--ink);font-size:15px}
.qcard .ql small{color:var(--muted);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qcard.on{border-color:var(--brand);background:var(--brand-soft)}
.qcard.on .qn{background:var(--brand);color:var(--on-brand)}
.qcard.empty-q:not(.on) .qn{opacity:.55}
.qnow{position:absolute;top:8px;right:10px;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ok);background:var(--ok-soft);padding:2px 7px;border-radius:99px}
@media (max-width:760px){.quarters{grid-template-columns:repeat(2,minmax(0,1fr))}.qcard{padding:12px}.qcard .qn{width:38px;height:38px;font-size:17px}}
@media (max-width:480px){
  .top-in{gap:8px}
  .back-btn:not([hidden]) + .logo > span:last-child{display:none}
  .year-pick{padding:0 4px 0 8px}
  .year-pick select{max-width:118px}
}
@media (max-width:760px){.qnow{top:-9px;right:10px;box-shadow:0 0 0 2px var(--bg)}.qcard .ql small{white-space:normal}}

/* Language picker */
.lang-pick{display:inline-flex;align-items:center;gap:4px;height:40px;padding:0 4px 0 9px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--ink);flex:none;cursor:pointer}
.lang-pick svg{width:16px;height:16px;flex:none}
.lang-pick select{border:none;background:transparent;font:700 13.5px var(--f-body);color:var(--ink);cursor:pointer;outline:none;padding:0}
.lang-pick:focus-within{outline:2.5px solid var(--brand);outline-offset:2px}
.year-pick{margin-left:auto}
.nav + .year-pick{margin-left:0}

/* Teacher CTA */
.teacher-cta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:linear-gradient(120deg,var(--brand-soft),var(--card) 60%)}
.tc-ico{width:56px;height:56px;border-radius:16px;background:var(--brand);color:var(--on-brand);display:grid;place-items:center;flex:none}
.tc-ico svg{width:28px;height:28px}
.class-card{display:grid;gap:12px}
.code-box{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--bg-2);border:1px dashed var(--line-2);border-radius:14px;padding:10px 14px}
.code-box small{color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:11.5px}
.code-box b{font-size:24px;letter-spacing:.18em;color:var(--ink)}
.hard-q{display:grid;gap:8px}
.clamp{max-height:7.5em;overflow:hidden;-webkit-mask-image:linear-gradient(#000 70%,transparent);mask-image:linear-gradient(#000 70%,transparent)}

/* Mistakes */
.mis-stats{display:grid;grid-template-columns:repeat(2,minmax(0,180px)) 1fr;gap:12px;align-items:center;margin-top:12px}
.mis-stats .stat{padding:14px 16px}
.mis-stats .stat b{font-size:30px}
.mis-bar{height:12px;border-radius:99px;background:var(--bg-2);overflow:hidden}
.mis-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--ok),#7be0a8);border-radius:99px;transition:width .5s}
.mis-item{margin-bottom:6px;transition:opacity .35s,transform .35s}
.mis-item .mis-from{font-size:13px;color:var(--muted);margin:0 0 6px 4px}
.mis-item.fixed .q{border-color:var(--ok)}
.mis-item.leaving{opacity:0;transform:translateX(30px)}
@media (max-width:700px){.mis-stats{grid-template-columns:1fr 1fr}.mis-bar{grid-column:1/-1}}

/* Certificate modal */
.cert-card{width:min(860px,100%)}
.cert-prev{background:var(--bg-2);border-radius:14px;padding:10px;min-height:120px;display:grid;place-items:center}
.cert-prev img{width:100%;height:auto;border-radius:8px;box-shadow:var(--shadow)}
.btn svg{flex:none}

@media (max-width:700px){
  .lang-pick{padding:0 2px 0 7px}
  .lang-pick svg{display:none}
  .nav a span{font-size:10.5px}
  .nav a{padding:6px 4px}
}
@media (max-width:480px){
  .logo > span:last-child{font-size:16px}
}
@media (max-width:700px){.nav + .year-pick{margin-left:auto}}
@media (max-width:480px){
  .top-in{gap:6px}
  .theme-btn{width:36px;height:36px;border-radius:11px}
  .year-pick,.lang-pick{height:36px;border-radius:11px}
  .year-pick select{max-width:92px;font-size:12.5px}
  .year-pick svg{display:none}
  .year-pick{padding:0 2px 0 8px}
  .logo{gap:6px}
  .logo-mark{width:30px;height:30px}
}

/* School combobox */
.combo{position:relative}
.combo-list{position:absolute;z-index:25;left:0;right:0;top:calc(100% - 18px);margin:0;padding:6px;list-style:none;background:var(--card);border:1px solid var(--line-2);border-radius:14px;box-shadow:var(--shadow-lg);max-height:300px;overflow:auto}
.combo-list li{padding:9px 12px;border-radius:10px;cursor:pointer;display:grid;gap:1px}
.combo-list li b{font-weight:600;color:var(--ink);font-size:14.5px}
.combo-list li small{color:var(--muted);font-size:12.5px}
.combo-list li.act,.combo-list li:hover{background:var(--brand-soft)}
.combo-list li.none{color:var(--muted);cursor:default}
.input.bad{border-color:var(--bad);box-shadow:0 0 0 4px var(--bad-soft)}
.input:disabled{opacity:.6;cursor:not-allowed}
@media (max-width:700px){.combo{grid-column:auto!important}}

/* ---------- v3: mavzular, nishonlar, maktab, jonli sinovlar ---------- */
.ext-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr));gap:16px;align-items:start}
.topics{display:grid;gap:12px}
.tp-list{display:grid;gap:10px;margin-top:8px}
.tp-row{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(60px,1fr) 46px;gap:12px;align-items:center}
.tp-name{display:grid;min-width:0}.tp-name b{font-weight:600;line-height:1.3}.tp-name small{color:var(--muted);font-size:12.5px}
.tp-bar{height:8px;border-radius:9px;background:var(--bg-2);overflow:hidden}
.tp-bar i{display:block;height:100%;border-radius:9px;background:linear-gradient(90deg,var(--brand),#7c8cff);transition:width .6s ease}
.tp-p{text-align:right;font-size:14.5px}
@media (max-width:480px){.tp-row{grid-template-columns:minmax(0,1fr) 46px}.tp-bar{grid-column:1/-1;grid-row:2}}
.streak{display:flex;gap:12px;align-items:center;margin:12px 0 4px;padding:12px 14px;border-radius:var(--r-sm);background:var(--hi-soft)}
.streak .fire{font-size:26px}.streak b{display:block;color:var(--ink)}
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:10px;margin-top:12px}
.badge-i{display:grid;justify-items:center;text-align:center;gap:2px;padding:12px 8px;border-radius:var(--r-sm);border:1px dashed var(--line-2);opacity:.45;filter:grayscale(1)}
.badge-i.on{opacity:1;filter:none;border-style:solid;border-color:var(--line);background:var(--bg-2)}
.badge-i .bi{font-size:28px;line-height:1.2}.badge-i b{font-size:13.5px;color:var(--ink)}.badge-i small{font-size:11.5px;color:var(--muted);line-height:1.3}
.new-badges{display:grid;gap:10px;border-color:var(--ok)}
.more-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:14px}
.card.more{display:grid;gap:4px;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}
.card.more:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.card.more .mi{font-size:30px}.card.more b{font-family:var(--f-display);font-size:17px;color:var(--ink)}.card.more small{color:var(--muted)}
.sc-link{text-decoration:none;color:inherit;padding:6px 8px;margin:0 -8px;border-radius:10px}.sc-link:hover{background:var(--bg-2)}
.settings-box{border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px}.settings-box summary{cursor:pointer}
.contest-banner{display:flex;gap:14px;align-items:center;padding:16px 18px;border-radius:var(--r);background:var(--hero);color:var(--hero-text);text-decoration:none;box-shadow:var(--shadow-lg)}
.contest-banner small{color:var(--hero-muted)}.contest-banner b{color:#fff}.contest-banner .cb-ico{font-size:30px}
.contest-banner.live{background:linear-gradient(120deg,#c2185b,#3d5afe)}
.contest-card{display:grid;gap:8px;text-decoration:none;color:inherit}.contest-card h3{margin:0}
.contest-card.live{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.contest-card.done{opacity:.8}
.cd{font-size:20px;color:var(--ink);letter-spacing:.04em}.cd.big{font-size:clamp(26px,5vw,38px)}
.contest-head{display:flex;gap:20px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.contest-head.live{border-color:var(--brand)}
.contest-head h1{font-size:clamp(24px,4vw,34px);margin:0}
.c-action{display:grid;gap:8px;justify-items:center;text-align:center}
.pulse{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--bad);margin-right:6px;animation:pulse 1.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(229,72,77,.6)}70%{box-shadow:0 0 0 8px rgba(229,72,77,0)}100%{box-shadow:0 0 0 0 rgba(229,72,77,0)}}
@media (max-width:700px){.c-action{justify-items:start;text-align:left}.contest-banner{flex-wrap:wrap}}
.form-grid > .field{align-content:start}
.stat b small{font-size:.55em;color:var(--muted);font-weight:600}
/* ---------- xalqaro imtihonlar ---------- */
.ex-card{position:relative;overflow:hidden}
.ex-card .ex-logo{font-family:var(--f-display);font-weight:800;font-size:22px;color:#fff;background:var(--c);border-radius:12px;padding:6px 12px;justify-self:start}
.ex-me{display:grid;gap:10px}
.ex-score{display:flex;align-items:baseline;gap:8px}.ex-score b{font-family:var(--f-display);font-size:clamp(34px,6vw,48px);color:var(--ink);line-height:1}.ex-score small{color:var(--muted)}
.al-scale{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin-top:8px}
.al-scale span{display:grid;justify-items:center;padding:8px 4px;border-radius:10px;background:var(--bg-2)}.al-scale b{font-family:var(--f-display);color:var(--ink)}.al-scale small{color:var(--muted);font-size:11.5px}
.ex-val{font-family:var(--f-display);font-size:17px}.ex-val.hi{color:var(--ok)}
.ex-est{display:grid;gap:2px;padding:10px 14px;border-radius:var(--r-sm);background:var(--brand-soft);color:var(--ink);font-weight:700;font-size:17px}.ex-est small{font-weight:500;color:var(--muted);font-size:12.5px}
@media (max-width:480px){.al-scale{grid-template-columns:repeat(3,1fr)}}
.section > *{min-width:0}
/* ---------- imtihon mavzulari (darslar) ---------- */
.ls-part{position:relative;overflow:hidden}
.ls-part .ls-ico{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:color-mix(in srgb,var(--c) 16%,transparent);color:var(--c);font-size:24px;font-weight:800}
.ls-bar{display:block;height:6px;border-radius:99px;background:var(--line);overflow:hidden;margin-top:8px}
.ls-bar i{display:block;height:100%;background:var(--ok);border-radius:99px;transition:width .4s}
.ls-prog{margin-top:18px;display:grid;gap:4px}
.ls-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:8px}
.ls-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--card);color:inherit;text-decoration:none;transition:border-color .15s,transform .15s}
.ls-item:hover{border-color:var(--ink);transform:translateY(-1px)}
.ls-num{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--bg2,rgba(127,127,127,.12));font-weight:700;font-variant-numeric:tabular-nums}
.ls-item.ok .ls-num{background:var(--ok);color:#fff}
.ls-t{display:grid;gap:2px;min-width:0;flex:1}.ls-t small{color:var(--muted)}
.ls-go{color:var(--muted);flex:none}
.lesson{max-width:820px;margin:14px auto 0;display:grid;gap:18px}
.ls-head{display:grid;gap:8px;padding-bottom:14px;border-bottom:3px solid var(--c)}
.ls-head h1{margin:0;font-size:clamp(26px,4.4vw,40px)}
.ls-body{font-size:16.5px;line-height:1.7;display:grid;gap:12px;min-width:0}
.ls-body>*{min-width:0;margin:0}
.ls-body h3{margin-top:12px;font-size:20px}
.ls-body ul{padding-left:22px;display:grid;gap:6px}
.ls-body .tblwrap{overflow-x:auto}
.ls-body table{border-collapse:collapse;width:100%;font-size:15px}
.ls-body th,.ls-body td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.ls-body th{background:rgba(127,127,127,.08)}
.ls-tip,.ls-trap,.ls-ex{border-radius:12px;padding:12px 14px 12px 44px;position:relative}
.ls-tip{background:rgba(43,138,62,.1);border:1px solid rgba(43,138,62,.35)}
.ls-tip::before{content:"💡";position:absolute;left:14px;top:11px}
.ls-trap{background:rgba(224,49,49,.08);border:1px solid rgba(224,49,49,.35)}
.ls-trap::before{content:"⚠️";position:absolute;left:14px;top:11px}
.ls-ex{background:rgba(127,127,127,.08);border-left:4px solid var(--c,#888);padding-left:16px;font-style:italic}
.ls-math{overflow-x:auto;text-align:center}
.ls-foot{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:16px}
.ls-foot .btn.sm{max-width:100%;white-space:normal;text-align:left}
.ls-body mjx-container:not([display="true"]){display:inline-block;max-width:100%;overflow-x:auto;overflow-y:hidden;vertical-align:middle}
.ls-group{margin:22px 0 0;font-size:18px}.ls-group+.ls-list{margin-top:10px}
/* ---------- javoblar varaqasi (mock testlar) ---------- */
.sheet-banner{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin:14px 0;border:2px solid var(--brand,#3b5bdb)}
.sheet-mod{grid-column:1/-1;margin:14px 0 0;font-size:19px}
#qs.sheet{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:10px}
#qs.sheet .q{padding:12px 14px;gap:8px;margin:0}
#qs.sheet .q-text{font-size:14.5px}
#qs.sheet .q-pts,#qs.sheet .q-top .lv{display:none}
#qs.sheet .opts{display:flex;gap:8px;flex-wrap:wrap}
#qs.sheet .opt{width:48px;height:44px;padding:0;justify-content:center}
#qs.sheet .opt .L{margin:0}
#qs.sheet .q.done .sol,#qs.sheet .q.done{grid-column:1/-1}
#qs.sheet .q.done:not(.miss){grid-column:auto}
.num-in{display:grid;gap:6px}
.num-in .input{max-width:240px;font-variant-numeric:tabular-nums}
.num-in .input.right{border-color:var(--ok);background:rgba(43,138,62,.08)}
.num-in .input.wrong{border-color:#e03131;background:rgba(224,49,49,.07)}
.num-key{font-size:14px;color:var(--muted)}
/* uzun formulalar telefonda sahifani kengaytirmasligi uchun */
.q-text,.sol,.opt .v{min-width:0;max-width:100%}
.q-text mjx-container[display="true"],.sol mjx-container[display="true"]{overflow-x:auto;overflow-y:hidden;max-width:100%;padding:2px 0}
.q-text mjx-container:not([display="true"]),.sol mjx-container:not([display="true"]),.opt .v mjx-container{display:inline-block;max-width:100%;overflow-x:auto;overflow-y:hidden;vertical-align:middle}
.q-text .tblwrap,.sol .tblwrap{overflow-x:auto;max-width:100%}
.q{min-width:0}

/* ---------- Hero 2: ma'lumotlarga asoslangan bosh blok ---------- */
.hero2{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);align-items:stretch}
.hero2 .hero{min-height:420px;gap:22px}
.hero2 .hero p{margin:14px 0 22px}
.hero-grades{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-top:18px;border-top:1px solid rgba(255,255,255,.1)}
.hero-grades>span{font-size:13px;font-weight:600;color:var(--hero-muted)}
.hero-grades>div{display:flex;gap:8px;flex-wrap:wrap}
.hero-grades a{position:relative;display:grid;place-items:center;width:46px;height:46px;border-radius:14px;text-decoration:none;color:#fff;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);transition:transform .15s,background .15s,border-color .15s}
.hero-grades a b{font:700 17px/1 var(--f-display)}
.hero-grades a small{position:absolute;top:-7px;right:-7px;min-width:20px;height:20px;padding:0 5px;border-radius:99px;display:grid;place-items:center;
  font-size:10.5px;font-weight:700;background:var(--c);color:#fff;box-shadow:0 0 0 2px var(--hero)}
.hero-grades a:hover{transform:translateY(-2px);background:color-mix(in srgb,var(--c) 35%,transparent);border-color:var(--c)}

.hpanel{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:16px;min-width:0}
.pulse-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.hpanel .hlive{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--ok);background:var(--ok-soft);padding:4px 10px;border-radius:99px}
.hpanel .hlive i{width:7px;height:7px;border-radius:50%;background:var(--ok);animation:livePulse 1.8s ease-out infinite}
@keyframes livePulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--ok) 60%,transparent)}100%{box-shadow:0 0 0 8px transparent}}
.pulse-big{display:flex;align-items:flex-end;gap:12px}
.pulse-big b{font:800 clamp(44px,5vw,58px)/.9 var(--f-display);color:var(--ink);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.pulse-big span{font-size:13.5px;color:var(--muted);line-height:1.35;padding-bottom:4px}
.pulse-big em{font-style:normal;font-weight:700;color:var(--brand)}
.pbars{display:grid;gap:9px}
.pbar{display:grid;grid-template-columns:minmax(84px,auto) 1fr auto;align-items:center;gap:10px;font-size:13px}
.pbar span{color:var(--text);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pbar i{height:8px;border-radius:99px;background:var(--bg-2);overflow:hidden}
.pbar u{display:block;height:100%;width:var(--w);border-radius:inherit;background:var(--c);animation:barIn .9s cubic-bezier(.2,.8,.2,1) both}
@keyframes barIn{from{width:0}}
.pbar b{font-variant-numeric:tabular-nums;color:var(--ink);min-width:2.5ch;text-align:right}
.pkpi{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.pkpi>div{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:12px;display:grid;gap:4px;min-width:0}
.pkpi .ico{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);margin-bottom:4px}
.pkpi>div:nth-child(2) .ico{background:var(--ok-soft);color:var(--ok)}
.pkpi>div:nth-child(3) .ico{background:var(--hi-soft);color:var(--warn)}
.pkpi .ico svg{width:16px;height:16px}
.pkpi b{font:700 22px/1 var(--f-display);color:var(--ink);font-variant-numeric:tabular-nums}
.pkpi small{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hleader{margin-top:auto;display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:16px;text-decoration:none;color:var(--ink);
  background:linear-gradient(120deg,var(--hi-soft),var(--brand-soft));border:1px solid var(--line);transition:transform .15s}
.hleader:hover{transform:translateY(-2px)}
.hleader .cup{font-size:24px;line-height:1}
.hleader .who{display:grid;min-width:0;flex:1}
.hleader .who small{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.hleader .who b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hleader .pct{font:800 20px var(--f-display)}
@media (max-width:860px){.hero2{grid-template-columns:1fr}.hero2 .hero{min-height:0}}
@media (max-width:560px){.hero-grades{flex-direction:column;align-items:stretch}.hero-grades>div{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}.hero-grades a{width:auto;height:42px}}
@media (max-width:420px){.pkpi b{font-size:19px}.hpanel{padding:18px}}

/* ---------- Telegram kanal ---------- */
.tg-btn{color:#229ed9;text-decoration:none}
.tg-btn[hidden]{display:none}
.tg-btn svg{width:20px;height:20px}
.tg-card{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:18px 22px;border-radius:var(--r);text-decoration:none;color:#fff;position:relative;overflow:hidden;isolation:isolate;
  background:linear-gradient(115deg,#1d8fd0 0%,#229ed9 45%,#3ec5f0 100%);box-shadow:0 14px 34px -18px #229ed9;transition:transform .15s,box-shadow .15s}
.tg-card::after{content:"";position:absolute;right:-40px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.12);z-index:-1}
.tg-card:hover{transform:translateY(-2px);box-shadow:0 20px 40px -18px #229ed9}
.tg-ico{width:52px;height:52px;border-radius:16px;background:rgba(255,255,255,.18);display:grid;place-items:center;flex:none}
.tg-ico svg{width:28px;height:28px}
.tg-txt{display:grid;gap:4px;min-width:0;flex:1 1 260px}
.tg-txt b{font:700 17px/1.2 var(--f-display)}
.tg-txt b em{font-style:normal;font-weight:600;opacity:.85;font-size:.85em}
.tg-txt small{font-size:13.5px;line-height:1.45;opacity:.92}
.tg-join{background:#fff;border-color:#fff;color:#1679b3}
.tg-card:hover .tg-join{background:#fff;border-color:#fff;box-shadow:none}
@media (max-width:560px){.tg-join{width:100%}}
@media (max-width:1279px){#tg-head{display:none!important}}

/* ---------- Ilovani o'rnatish sahifasi ---------- */
.inst{display:grid;gap:14px;max-width:880px;margin:0 auto}
.inst-hero{position:relative;overflow:hidden;isolation:isolate;background:var(--hero);color:#fff;border-radius:28px;padding:clamp(24px,5vw,44px);display:grid;justify-items:center;text-align:center;gap:14px}
.inst-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(420px 260px at 85% 0%,rgba(61,90,254,.55),transparent 65%),radial-gradient(360px 240px at 10% 110%,rgba(255,210,63,.3),transparent 70%)}
.inst-hero img{border-radius:24px;box-shadow:0 0 0 1px rgba(255,255,255,.18),0 18px 40px -16px rgba(0,0,0,.6)}
.inst-hero h1{color:#fff;font-size:clamp(26px,4.4vw,40px)}
.inst-hero p{color:var(--hero-muted);max-width:52ch;margin:0;font-size:16px}
.inst-feat{list-style:none;padding:0;margin:4px 0 0;display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.inst-feat li{font-size:13px;font-weight:600;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:6px 12px;border-radius:99px}
.inst-warn{background:var(--warn-soft);color:var(--warn);font-weight:600;font-size:14.5px}
.inst-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.inst-os ol{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:12px}
.inst-os li{display:flex;gap:12px;align-items:flex-start}
.inst-os li span{flex:none;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;font:700 13px var(--f-display);background:var(--brand-soft);color:var(--brand)}
.inst-os li p{margin:3px 0 0;font-size:14.5px;line-height:1.45}
.inst-os.cur{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.inst-share{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.inst-share>div:first-child{display:grid;gap:4px;min-width:0}
.inst-share code{font-size:13.5px;color:var(--brand);word-break:break-all}
@media (min-width:701px) and (max-width:1180px){.nav a{font-size:0;gap:0;padding:8px 11px}.nav a svg{width:18px;height:18px}}
@media (min-width:701px) and (max-width:900px){.logo{font-size:0;gap:0}.logo>*:not(.logo-mark){display:none}.top-in{gap:10px}}

/* ---------- Natija varaqasi va sinf hisoboti ---------- */
#rep-ov{position:fixed;inset:0;z-index:200;background:rgba(8,11,26,.72);backdrop-filter:blur(4px);display:flex;flex-direction:column;align-items:center;padding:14px;gap:8px;overflow:hidden}
.rep-bar{width:min(860px,100%);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;color:#fff}
.rep-acts{display:flex;gap:8px;flex-wrap:wrap}
.rep-bar .btn.ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.rep-hint{width:min(860px,100%);margin:0;color:#c9d0ee}
.rep-scroll{width:min(860px,100%);overflow:auto;flex:1;border-radius:16px}
body.rep-open{overflow:hidden}
.rep{background:#fff;color:#1b2140;padding:28px;border-radius:16px;font-size:13.5px;line-height:1.45;--ink:#0d1330;--muted:#5e6685;--line:#e3e6f2;--card:#fff;--bg:#f6f7fb;--bg-2:#eceef8;--text:#1b2140}
.rep h3{font:700 15px var(--f-display);color:#0d1330;margin:20px 0 8px}
.rep-h{display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid #0d1330;padding-bottom:10px;margin-bottom:14px;color:#5e6685}
.rep-h>div{display:flex;align-items:center;gap:12px}
.rep-logo{font:800 18px var(--f-display);color:#0d1330}
.rep-logo span{background:#ffd23f;padding:0 4px;border-radius:4px}
.rep-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:8px 18px;margin-bottom:12px}
.rep-info>div{display:grid}
.rep-info small,.rep-sum small{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#7a829f}
.rep-info em{font-style:normal;color:#5e6685;font-size:12.5px}
.rep-sum{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px}
.rep-sum>div{border:1px solid #e3e6f2;border-radius:12px;padding:10px 12px;display:grid;gap:2px;background:#f8f9fd}
.rep-sum b{font:700 22px var(--f-display);color:#0d1330}
.rep-sum span{font-size:12px;color:#5e6685}
.rep-sum .g5{color:#14995b}.rep-sum .g4{color:#3d5afe}.rep-sum .g3{color:#b26a00}.rep-sum .g2{color:#e5484d}
.rep-t{width:100%;border-collapse:collapse;font-size:13px}
.rep-t th{text-align:left;font-size:11.5px;color:#5e6685;font-weight:700;border-bottom:1.5px solid #cfd4e6;padding:6px 8px}
.rep-t td{border-bottom:1px solid #eceef6;padding:6px 8px;vertical-align:top}
.rep-t tfoot td{font-weight:700;border-top:1.5px solid #cfd4e6;border-bottom:none}
.rep-t .r{text-align:right}.rep-t .c{text-align:center}
.rep-t .ok{color:#14995b;font-weight:700}.rep-t .bad{color:#e5484d;font-weight:700}
.rep-q tr.y td:nth-child(6){color:#14995b;font-weight:800}
.rep-q tr.n td:nth-child(6){color:#e5484d;font-weight:800}
.rep-q tr.n{background:#fff6f6}
.rep-q .tp{max-width:300px;font-size:12.5px;color:#3a4160}
.rep-weak{margin:0;padding-left:18px;columns:2;column-gap:24px}
.rep-f{margin-top:18px;padding-top:8px;border-top:1px solid #e3e6f2;color:#8a91ac;font-size:11.5px;text-align:center}
.rep .lv{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:6px;font:700 11px var(--f-display);color:#fff}
.rep .lv.B{background:#14995b}.rep .lv.Q{background:#3d5afe}.rep .lv.M{background:#d97706}
.rep-class .noprint,.rep-class select{display:none!important}
.rep-class .cl-head h2{display:none}
@media (max-width:600px){.rep{padding:16px}.rep-weak{columns:1}.rep-q .tp{display:none}.rep-q th:nth-child(3){display:none}}

.cl-lv{margin:22px 0 6px}
.cl-head{justify-content:space-between;gap:10px}
.cl-head select{max-width:320px}
.cl-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}
.cl-card{display:grid;gap:6px;padding:16px}
.cl-card small{color:var(--muted);font-size:12.5px}
.cl-p{font:800 22px var(--f-display);color:var(--ink)}
.cl-bar{display:block;height:8px;border-radius:99px;background:var(--bg-2);overflow:hidden}
.cl-bar u{display:block;height:100%;border-radius:inherit;background:#14995b}
.lv-Q .cl-bar u{background:#3d5afe}.lv-M .cl-bar u{background:#d97706}.cl-tot .cl-bar u{background:#7048e8}
.cl-note{margin:12px 0 0;padding:12px 14px;border-radius:14px;background:var(--hi-soft);color:var(--ink);font-size:14px}
.cl-grid{display:grid;grid-template-columns:minmax(220px,1fr) minmax(0,2.2fr);gap:12px;margin-top:12px;align-items:start}
.cl-dist{display:grid;grid-template-columns:34px 1fr 30px;align-items:center;gap:10px;margin-bottom:10px}
.cl-dist i{height:10px;border-radius:99px;background:var(--bg-2);overflow:hidden}
.cl-dist u{display:block;height:100%;border-radius:inherit;background:var(--brand)}
.cl-dist u.g5{background:#14995b}.cl-dist u.g4{background:#3d5afe}.cl-dist u.g3{background:#e0a100}.cl-dist u.g2{background:#e5484d}
.cl-dist span{text-align:right;font-weight:700;font-variant-numeric:tabular-nums}
.cl-t td small{font-size:11.5px}
@media (max-width:860px){.cl-grid{grid-template-columns:1fr}}

@media print{
  body.printing>*:not(#rep-ov){display:none!important}
  body.printing #rep-ov{position:static;background:none;backdrop-filter:none;padding:0;display:block;overflow:visible}
  body.printing .rep-bar,body.printing .rep-hint{display:none!important}
  body.printing .rep-scroll{overflow:visible;width:100%}
  body.printing .rep{padding:0;border-radius:0}
  body.printing .rep-t tr{break-inside:avoid}
  @page{margin:12mm}
}
.rep-q td.ans{font-size:12.5px;max-width:170px}
.rep-q td.ans .math,.rep-q td.ans mjx-container{font-size:100%!important}

/* ---------- Reyting: ko'rsatkich va doira ---------- */
.bd-ctl{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end}
.seg{display:inline-flex;flex-wrap:wrap;gap:2px;background:var(--bg-2);border:1px solid var(--line);padding:3px;border-radius:12px}
.seg button{border:0;background:transparent;color:var(--muted);font:600 13.5px var(--f-body);padding:7px 12px;border-radius:9px;cursor:pointer}
.seg button.on{background:var(--card);color:var(--ink);box-shadow:var(--shadow)}
.seg button:disabled{opacity:.4;cursor:not-allowed}
.bd-me{margin-top:14px;display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:16px;background:linear-gradient(120deg,var(--brand-soft),var(--card));border:1px solid var(--line)}
.bd-me>div{display:grid;flex:1;min-width:0}
.bd-me small{color:var(--muted)}
.bd-lv th.on{color:var(--brand)}
.bd-lv td.lvc{white-space:nowrap}
.bd-lv td.lvc.on{background:color-mix(in srgb,var(--brand-soft) 60%,transparent)}
.bd-lv td.lvc small{font-size:11.5px}
@media (max-width:640px){table.board.bd-lv{min-width:0}.bd-lv th,.bd-lv td{padding:10px 8px}.bd-lv th.lvh:not(.on),.bd-lv td.lvc:not(.on){display:none}.bd-lv td.lvc.on{background:none}.bd-st th:nth-child(3),.bd-st td:nth-child(3),.bd-st th:last-child,.bd-st td:last-child{display:none}.bd-lv .pctbar i{display:none}}
.board.bd-lv tr.me td{background:var(--hi-soft)!important}

/* ---------- Testlar PDF ---------- */
.pd-b{padding-inline:10px}
.quarter .pd-qacts{margin-left:auto;gap:6px}
@media (max-width:640px){.quarter{flex-wrap:wrap}.quarter .pd-qacts{margin-left:0}}
.pd-sig{color:#ffd23f;font-weight:700;font-size:14px}
.pd-ctl{display:flex;flex-wrap:wrap;gap:14px 22px;align-items:flex-end;margin:18px 0 12px}
.pd-ctl .field{margin:0;display:grid;gap:6px}
.pd-ctl .field label{font-size:12.5px;font-weight:700;color:var(--muted)}
.pd-ctl select{min-width:200px}
.pd-acts{gap:8px;margin:6px 0 12px;align-items:center}
.pd-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px}
.pd-item{display:flex;align-items:center;gap:10px;padding:12px 14px;cursor:pointer;margin:0}
.pd-item input{width:18px;height:18px;accent-color:var(--brand);flex:none}
.pd-item .dot{width:10px;height:10px;border-radius:50%;flex:none}
.pd-it{display:grid;min-width:0;flex:1}
.pd-it b{line-height:1.3}
.pd-it small{color:var(--muted)}
.pd-chk{display:inline-flex;align-items:center;gap:6px;color:#fff;font-size:13.5px;padding:0 4px;cursor:pointer}
.pd-chk input{accent-color:#ffd23f;width:16px;height:16px}
#rep-pdf:disabled{opacity:.55;cursor:progress}
.pd-paper{display:grid;gap:22px;background:transparent!important;padding:0!important}
.pd-doc{width:100%;border-collapse:collapse;background:#fff;color:#0d1330;border-radius:16px;overflow:hidden;font-size:14.5px;line-height:1.5}
.pd-doc>thead td,.pd-doc>tfoot td,.pd-doc>tbody>tr>td{padding:0 28px}
.pd-run{display:flex;justify-content:space-between;align-items:center;gap:12px;color:#4a5274;font-size:13px;font-weight:600}
.pd-top{border-bottom:1.5px solid #0d1330;padding:14px 0 8px;margin-bottom:12px}
.pd-top>span{font-weight:700;color:#0d1330}
.pd-bot{border-top:1px solid #cfd4e6;padding:8px 0 14px;margin-top:10px}
.pd-head{display:grid;gap:4px;margin-bottom:10px}
.pd-kind{font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#5e6685}
.pd-head h1{font-size:22px;margin:0;color:#0d1330}
.pd-meta{color:#5e6685;font-size:13px}
.pd-fill{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:8px;font-size:13px}
.pd-fill span{display:flex;align-items:flex-end;gap:6px;flex:1 1 auto}
.pd-fill span:first-child{flex-basis:100%}
.pd-fill i,.pd-num i{display:inline-block;flex:1;min-width:60px;border-bottom:1px solid #8a91ac;height:1.2em}
.pd-fill i.s{min-width:70px}
.pd-q{padding:9px 0;border-top:1px dashed #dde1ee;break-inside:avoid;page-break-inside:avoid}
.pd-qh{display:flex;gap:8px;align-items:flex-start}
.pd-n{min-width:24px;font-weight:800}
.pd-qh .lv{width:20px;height:20px;min-width:20px;padding:0;border-radius:6px;font-size:11px;margin-top:2px}
.pd-qt{flex:1;min-width:0}
.pd-qt .tblwrap{overflow:visible}
.pd-qt table{border-collapse:collapse;margin:6px 0}
.pd-qt th,.pd-qt td{border:1px solid #b8bed3;padding:3px 8px;text-align:center}
.pd-pts{font-size:11.5px;color:#7a829f;white-space:nowrap;margin-top:3px}
.pd-img{padding:6px 0 2px 32px}
.pd-img img{max-width:min(100%,360px);max-height:230px;display:block}
.pd-opts{list-style:none;margin:6px 0 0;padding:0 0 0 32px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px 14px}
.pd-opts.wide{grid-template-columns:repeat(2,minmax(0,1fr))}
.pd-opts li{display:flex;gap:6px;min-width:0}
.pd-num{display:flex;align-items:flex-end;gap:8px;padding:8px 0 0 32px;max-width:340px}
.pd-key{padding:6px 0}
.pd-key h2{font-size:17px;margin:4px 0 10px}
.pd-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:6px}
.pd-grid span{display:flex;align-items:center;gap:6px;border:1px solid #dde1ee;border-radius:8px;padding:4px 8px}
.pd-grid small.lv{width:16px;height:16px;min-width:16px;padding:0;font-size:9.5px;border-radius:4px}
.pd-grid em{font-style:normal;font-weight:800;margin-left:auto}
.pd-sols{margin-top:12px;font-size:13px}
.pd-sols p{margin:0 0 6px;break-inside:avoid}
.pd-doc mjx-container{font-size:105%!important}
@media (max-width:640px){.pd-doc>thead td,.pd-doc>tfoot td,.pd-doc>tbody>tr>td{padding:0 14px}.pd-opts{grid-template-columns:repeat(2,minmax(0,1fr))}.pd-opts.wide{grid-template-columns:1fr}.pd-img,.pd-opts,.pd-num{padding-left:0}.pd-chk{font-size:12.5px}}
@media print{
  body.pd-printing .pd-paper{display:block}
  body.pd-printing .pd-doc{border-radius:0;font-size:12.5pt;overflow:visible}
  body.pd-printing .pd-doc>thead td,body.pd-printing .pd-doc>tfoot td,body.pd-printing .pd-doc>tbody>tr>td{padding:0}
  body.pd-printing .pd-doc>thead{display:table-header-group}
  body.pd-printing .pd-doc>tfoot{display:table-footer-group}
  body.pd-printing .pd-break{break-before:page;page-break-before:always}
  body.pd-printing tr.pd-keyrow{break-before:page;page-break-before:always}
  body.pd-printing .pd-doc tr{break-inside:avoid;page-break-inside:avoid}
  body.pd-printing .lv{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  body.pd-printing .pd-opts{grid-template-columns:repeat(4,minmax(0,1fr))}
  body.pd-printing .pd-opts.wide{grid-template-columns:repeat(2,minmax(0,1fr))}
  body.pd-printing .pd-img,body.pd-printing .pd-opts,body.pd-printing .pd-num{padding-left:32px}
}
@media (max-width:700px){.pd-acts #pd-go{position:fixed;left:16px;right:16px;bottom:calc(78px + env(safe-area-inset-bottom));z-index:30;box-shadow:0 8px 24px rgba(13,19,48,.25)}.pd-list{padding-bottom:70px}}

/* ---------- Test haqida fikrlar ---------- */
.fb-stars{display:inline-flex;gap:1px;font-size:16px;line-height:1;letter-spacing:0}
.fb-stars i{font-style:normal;color:var(--line)}
.fb-stars i.on{color:#f5b301}
.fb-card{width:min(520px,100%);max-height:calc(100dvh - 32px);overflow:auto;gap:14px}
.fb-rate{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.fb-rate button{border:0;background:none;font-size:38px;line-height:1;color:var(--line);cursor:pointer;padding:2px;transition:transform .12s,color .12s}
.fb-rate button.on{color:#f5b301}
.fb-rate button:hover{transform:scale(1.12)}
.fb-rate button:focus-visible{outline:2px solid var(--brand);border-radius:8px}
.fb-rl{margin-left:8px;font-weight:700;color:var(--ink)}
.fb-tags{display:grid;gap:8px}
.fb-tags>div,.fbA-tags{display:flex;flex-wrap:wrap;gap:6px}
.fb-tag{border:1px solid var(--line);background:var(--bg-2);color:var(--text);border-radius:99px;padding:6px 12px;font:600 13px var(--f-body);cursor:pointer}
.fb-tag.on{background:var(--brand);border-color:var(--brand);color:#fff}
.fb-tag b{margin-left:4px;opacity:.75}
.fb-card textarea{resize:vertical;min-height:84px;font:inherit}
.fb-cnt{justify-self:end;font-size:12px}
.fb-consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text);cursor:pointer}
.fb-consent input{width:18px;height:18px;margin-top:1px;accent-color:var(--brand);flex:none}
.fb-who{font-size:12.5px;color:var(--muted);margin-top:-6px;padding-left:28px}
.fb-inline{display:flex;align-items:center;gap:14px;margin-top:14px;padding:16px 18px;border:1.5px dashed var(--brand)}
.fb-inline.done{border-style:solid;border-color:var(--line)}
.fb-ico{font-size:28px;flex:none}
.fb-in-t{display:grid;gap:4px;flex:1;min-width:0}
.fb-in-t small{color:var(--muted)}
@media (max-width:560px){.fb-inline{flex-wrap:wrap}.fb-inline .btn{width:100%}.fb-rate button{font-size:34px}}
.fb-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px}
.fb-q{margin:0;display:grid;gap:12px;align-content:start;position:relative}
.fb-q blockquote{margin:0;font-size:15px;line-height:1.55;color:var(--text);position:relative;padding-left:18px}
.fb-q blockquote::before{content:"“";position:absolute;left:-2px;top:-10px;font:800 40px/1 var(--f-display);color:var(--brand);opacity:.35}
.fb-q figcaption{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:12px;margin-top:auto}
.fb-av{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:#fff;font:800 16px var(--f-display);flex:none}
.fb-wh{display:grid;min-width:0}
.fb-wh small{color:var(--muted);font-size:12.5px}
/* admin */
.fbA-top{display:grid;grid-template-columns:minmax(180px,.8fr) minmax(220px,1.2fr) minmax(240px,1.6fr);gap:12px}
.fbA-sum{display:grid;gap:4px;align-content:center}
.fbA-sum small{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.fbA-sum>b{font:800 34px var(--f-display);color:var(--ink)}
.fbA-dist{display:grid;gap:6px}
.fbA-dist div{display:grid;grid-template-columns:34px 1fr 34px;align-items:center;gap:8px;font-size:13px}
.fbA-dist i{height:8px;border-radius:99px;background:var(--bg-2);overflow:hidden}
.fbA-dist u{display:block;height:100%;background:#f5b301;border-radius:inherit}
.fbA-dist b{text-align:right}
.fbA-tags{align-content:center}
.fbA-ctl{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 6px;align-items:center}
.fbA-ctl .input{width:auto;min-width:150px;padding:8px 12px}
.fbA-ctl #fb-q{flex:1 1 220px}
.fbA-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px}
.fbA-it{display:grid;gap:10px;align-content:start}
.fbA-it.feat{border-color:#f5b301;box-shadow:0 0 0 2px rgba(245,179,1,.25)}
.fbA-tx{margin:0;white-space:pre-wrap;word-break:break-word}
.fbA-tg{display:flex;flex-wrap:wrap;gap:4px}
.fbA-who{display:grid;gap:2px}
.fbA-who small{font-size:12.5px}
@media (max-width:860px){.fbA-top{grid-template-columns:1fr}}

/* ---------- Natijalar dinamikasi (grafik) ---------- */
:root{--lvB:#14995b;--lvQ:#3d5afe;--lvM:#d97706}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--lvB:#22a566;--lvQ:#5f7bff;--lvM:#d97706}}
:root[data-theme="dark"]{--lvB:#22a566;--lvQ:#5f7bff;--lvM:#d97706}
.pg{display:grid;gap:14px;min-width:0}
.pg-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.pg-head h3{margin:0 0 2px}
.pg-head .input{width:auto;padding:8px 12px}
.pg-seg button{display:inline-flex;align-items:center;gap:6px}
.pg-key{display:inline-block;width:14px;height:3px;border-radius:2px;background:var(--c)}
.pg-key.dash{background:repeating-linear-gradient(90deg,var(--c) 0 4px,transparent 4px 7px)}
.pg-legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--text)}
.pg-legend:empty{display:none}
.pg-legend span{display:inline-flex;align-items:center;gap:6px}
.pg-chart{position:relative;min-width:0;outline:none;border-radius:12px}
.pg-chart:focus-visible{box-shadow:0 0 0 2px var(--brand)}
.pg-chart svg{display:block;overflow:visible;touch-action:pan-y}
.pg-grid{stroke:var(--line);stroke-width:1}
.pg-ax{fill:var(--muted);font:500 11.5px var(--f-body)}
.pg-end{fill:var(--muted);font:500 12px var(--f-body)}
.pg-ev{fill:var(--ink);font-weight:700}
.pg-cross{stroke:var(--line-2);stroke-width:1.5}
.pg-sel{fill:var(--brand-soft,rgba(61,90,254,.08));transition:opacity .15s}
.pg-hit{cursor:pointer}
.pg-tip{position:absolute;top:6px;z-index:3;min-width:150px;background:var(--card);border:1px solid var(--line-2);border-radius:12px;padding:10px 12px;box-shadow:var(--shadow-lg);display:grid;gap:4px;pointer-events:none;font-size:13px}
.pg-tip>b{color:var(--ink)}
.pg-tip>small{color:var(--muted);margin-top:-3px}
.pg-tr-row{display:grid;grid-template-columns:14px 42px 1fr;align-items:center;gap:6px}
.pg-tr-row b{color:var(--ink);font-variant-numeric:tabular-nums}
.pg-tr-row span{color:var(--muted)}
.pg-one{margin:0;padding:12px 14px;border-radius:12px;background:var(--bg-2)}
.pg-cmp{display:grid;gap:10px;border-top:1px solid var(--line);padding-top:14px}
.pg-cmp-h{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:baseline}
.pg-bars{display:grid;gap:10px}
.pg-bar{display:grid;grid-template-columns:120px 1fr;gap:12px;align-items:center}
.pg-bl{font-size:13.5px;font-weight:600;color:var(--text)}
.pg-tracks{display:grid;gap:4px}
.pg-tr{display:grid;grid-template-columns:1fr 44px;gap:8px;align-items:center}
.pg-tr i{display:block;height:10px;border-radius:0 4px 4px 0;min-width:2px}
.pg-tr.avg i{height:6px;background:var(--line-2)}
.pg-tr b{font-size:13px;color:var(--ink);text-align:right;font-variant-numeric:tabular-nums}
.pg-tr.avg b{font-weight:500;color:var(--muted)}
.pg-note{margin:0;font-size:14px;color:var(--text)}
.pg-note:empty{display:none}
.pg-tbl summary{cursor:pointer;color:var(--brand);font-weight:600;font-size:13.5px}
.pg-tbl .tablewrap{margin-top:8px}
.pg-sb{padding:3px 8px;font-size:12px;margin-left:6px}
.pg-modal-card{width:min(760px,100%);max-height:calc(100dvh - 32px);overflow:auto}
.pg-modal-card .pg{border:0;box-shadow:none;padding:0}
@media (max-width:560px){.pg-bar{grid-template-columns:1fr;gap:4px}.pg-seg{width:100%}.pg-seg button{padding:7px 9px;font-size:12.5px}}

/* ---------- Yechim ostidagi qo'shimchalar: formula havolasi + xato xabari ---------- */
.sol-x{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}
.sol-fm{font-weight:600;font-size:13.5px;color:var(--brand);text-decoration:none}
.sol-fm:hover{text-decoration:underline}
.sol-rep{margin-left:auto;border:0;background:none;color:var(--muted);font:600 13px var(--f-body);cursor:pointer;padding:4px 0}
.sol-rep:hover{color:var(--bad,#e5484d)}
.sol-rep:disabled{color:var(--ok,#14995b);cursor:default}
.qr-prev{max-height:140px;overflow:auto;padding:10px 12px;border-radius:12px;background:var(--bg-2);font-size:14px}
.qrA-list{display:grid;gap:12px}
.qrA{display:grid;gap:10px}
.qrA.done{opacity:.6}
.qrA-q{padding:10px 12px;border-radius:12px;background:var(--bg-2);font-size:14px;max-height:180px;overflow:auto}
.qrA-items{margin:0;padding-left:18px;display:grid;gap:6px;font-size:14px}

/* ---------- Formulalar daftari ---------- */
.fm-ctl{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:18px 0 14px}
.fm-ctl .input{flex:1 1 220px;width:auto;padding:9px 12px}
.fm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:14px;align-items:start}
.fm-card{display:grid;gap:10px;scroll-margin-top:90px}
.fm-card.focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft,rgba(61,90,254,.15))}
.fm-h{display:flex;justify-content:space-between;align-items:center;gap:8px}
.fm-h h3{margin:0}
.fm-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.fm-list li{display:grid;gap:2px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.fm-list li:last-child{border-bottom:0;padding-bottom:0}
.fm-f{font-size:16px;color:var(--ink);overflow-x:auto;overflow-y:hidden}
.fm-d{font-size:13px;color:var(--muted)}
.fm-n{margin:0;padding:10px 12px;border-radius:12px;background:var(--hi-soft);font-size:13.5px;color:var(--text)}
@media print{.fm-ctl,.noprint{display:none!important}.fm-grid{display:block}.fm-card{break-inside:avoid;margin-bottom:10px;box-shadow:none}}

/* ---------- O'zbekiston xaritasi ---------- */
:root{--mp0:#dbe3ff;--mp1:#a9b9ff;--mp2:#7088ff;--mp3:#3d5afe;--mp4:#1f33b8;--mp-lbl:#0d1330;--mp-lbl-inv:#ffffff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--mp0:#1d2a66;--mp1:#2c45a8;--mp2:#3d5afe;--mp3:#7088ff;--mp4:#b3c0ff;--mp-lbl:#f1f3ff;--mp-lbl-inv:#0d1330}}
:root[data-theme="dark"]{--mp0:#1d2a66;--mp1:#2c45a8;--mp2:#3d5afe;--mp3:#7088ff;--mp4:#b3c0ff;--mp-lbl:#f1f3ff;--mp-lbl-inv:#0d1330}
.mp{display:grid;gap:14px}
.mp-ctl{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.mp-ctl .input{width:auto;padding:8px 12px}
.mp-body{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,1fr);gap:18px;align-items:start}
.mp-map{position:relative;min-width:0}
.mp-map svg{width:100%;height:auto;display:block}
.mp-r{stroke:var(--card);stroke-width:1.6;cursor:pointer;transition:filter .15s,stroke .15s;outline:none}
.mp-r.nd{fill:var(--bg-2);stroke:var(--line-2)}
.mp-r.b0,.mp-leg i.b0,.mp-bar i.b0{fill:var(--mp0);background:var(--mp0)}
.mp-r.b1,.mp-leg i.b1,.mp-bar i.b1{fill:var(--mp1);background:var(--mp1)}
.mp-r.b2,.mp-leg i.b2,.mp-bar i.b2{fill:var(--mp2);background:var(--mp2)}
.mp-r.b3,.mp-leg i.b3,.mp-bar i.b3{fill:var(--mp3);background:var(--mp3)}
.mp-r.b4,.mp-leg i.b4,.mp-bar i.b4{fill:var(--mp4);background:var(--mp4)}
.mp-r:hover,.mp-r:focus-visible{filter:brightness(1.08);stroke:var(--ink);stroke-width:2}
.mp-r.on{stroke:var(--hi,#ffd23f);stroke-width:3}
.mp-water{fill:#cfe3f5;stroke:none;pointer-events:none}
:root[data-theme="dark"] .mp-water{fill:#16284a}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .mp-water{fill:#16284a}}
.mp-lbl{font:700 15px var(--f-body);fill:var(--mp-lbl);text-anchor:middle;pointer-events:none}
.mp-lbl.inv{fill:var(--mp-lbl-inv)}
.mp-tip{position:absolute;z-index:3;background:var(--card);border:1px solid var(--line-2);border-radius:12px;padding:8px 12px;box-shadow:var(--shadow-lg);display:grid;gap:2px;font-size:13px;pointer-events:none;min-width:140px}
.mp-tip b{color:var(--ink)}
.mp-tip span{color:var(--muted)}
.mp-leg{display:grid;gap:6px;margin-top:8px}
.mp-leg small{font-size:12px;color:var(--muted);font-weight:600}
.mp-leg span{display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px;font-size:12px;color:var(--muted)}
.mp-leg i{display:inline-block;width:22px;height:10px;border-radius:3px}
.mp-leg i.nd{background:var(--bg-2);border:1px solid var(--line-2)}
.mp-leg em{font-style:normal;margin-right:8px}
.mp-credit{display:block;margin-top:4px;font-size:11px;color:var(--muted);opacity:.8}
.mp-side{min-width:0;display:grid;gap:8px;align-content:start}
.mp-rank{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:4px}
.mp-rank button{width:100%;display:grid;grid-template-columns:22px minmax(0,1.4fr) minmax(50px,1fr) 42px;gap:8px;align-items:center;padding:7px 8px;border:0;border-radius:10px;background:none;color:var(--text);font:inherit;font-size:13.5px;text-align:left;cursor:pointer}
.mp-rank button:hover{background:var(--bg-2)}
.mp-n{color:var(--muted);font-weight:700;text-align:center}
.mp-rn{display:grid;min-width:0}
.mp-rn small{color:var(--muted);font-size:11.5px}
.mp-bar{height:8px;border-radius:99px;background:var(--bg-2);overflow:hidden}
.mp-bar i{display:block;height:100%;border-radius:0 4px 4px 0}
.mp-rank b{text-align:right;color:var(--ink);font-variant-numeric:tabular-nums}
.mp-pick{display:grid;gap:10px}
.mp-pick h3{margin:0}
.mp-pick h4{margin:6px 0 0;font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.mp-kpi{display:grid}
.mp-kpi b{font:800 34px var(--f-display);color:var(--ink)}
.mp-kpi span{color:var(--muted);font-size:13px}
.mp-ol{margin:0;padding-left:20px;display:grid;gap:6px}
.mp-ol li{font-size:13.5px}
.mp-ol li{display:list-item}
.mp-ol li span{display:inline-grid;vertical-align:top;max-width:calc(100% - 50px)}
.mp-ol li small{color:var(--muted);font-size:12px}
.mp-ol li em{float:right;font-style:normal;font-weight:700;color:var(--ink)}
@media (max-width:860px){.mp-body{grid-template-columns:1fr}.mp-lbl{font-size:24px}}

.teacher-cta>div:not(.tc-ico){flex:1 1 240px!important}
@media (max-width:560px){.teacher-cta .btn{width:100%;justify-content:center}}

/* ---------- Muallif (panel ichida, kichik) ---------- */
.hauthor2{margin-top:auto;display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:16px;background:var(--bg-2);border:1px solid var(--line)}
.hauthor2 img{width:56px;height:56px;border-radius:50%;object-fit:cover;object-position:50% 50%;flex:none;border:2px solid var(--card);box-shadow:0 0 0 2px var(--brand)}
.hauthor2 span{display:grid;min-width:0}
.hauthor2 b{font:700 14.5px/1.25 var(--f-display);color:var(--ink)}
.hauthor2 small{font-size:12.5px;color:var(--muted)}
.hpanel .hauthor2 + .hleader{margin-top:0}
/* PDF: keng jadval va formulalar sahifadan chiqib ketmasin */
.pd-doc{table-layout:fixed}
.pd-qt{overflow-wrap:break-word}
.pd-qt table{max-width:100%;font-size:.9em}
.pd-qt th,.pd-qt td{padding:2px 5px;overflow-wrap:break-word}
.pd-qt mjx-container[display="true"]{max-width:100%;overflow:hidden}
.pd-opts li{overflow-wrap:anywhere}
.pd-opts li span{min-width:0}
@media print{body.pd-printing .pd-opts mjx-container{max-width:100%}}
.pd-opts.one{grid-template-columns:1fr}
@media print{body.pd-printing .pd-opts.one{grid-template-columns:1fr}}

/* ---------- Panel tepasidagi yangilik yozuvi (yugurib turadi) ---------- */
.pulse-head{gap:10px}
.hnews{display:inline-flex;align-items:center;gap:6px;max-width:200px;min-width:0;padding:4px 4px 4px 4px;border-radius:99px;background:#fff4cc;border:1px solid #ffd23f;color:#5c4400;text-decoration:none;font-size:12px;font-weight:700;overflow:hidden;animation:hnGlow 2.4s ease-in-out infinite}
.hnews b{flex:none;background:#e5484d;color:#fff;font-size:10.5px;letter-spacing:.02em;padding:2px 7px;border-radius:99px;animation:hnBlink 1.2s steps(2,start) infinite}
.hn-track{position:relative;overflow:hidden;min-width:0;flex:1;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10px,#000 calc(100% - 10px),transparent);mask-image:linear-gradient(90deg,transparent,#000 10px,#000 calc(100% - 10px),transparent)}
.hn-run{display:inline-flex;white-space:nowrap;animation:hnRun 14s linear infinite}
.hn-run span{padding-right:28px}
.hnews:hover .hn-run{animation-play-state:paused}
.hnews:hover{border-color:#e0a100}
.hnews:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
@keyframes hnRun{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes hnGlow{0%,100%{box-shadow:0 0 0 0 rgba(255,210,63,.0)}50%{box-shadow:0 0 0 5px rgba(255,210,63,.35)}}
@keyframes hnBlink{0%{opacity:1}100%{opacity:.55}}
:root[data-theme="dark"] .hnews{background:#33290b;color:#ffe08a}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .hnews{background:#33290b;color:#ffe08a}}
@media (prefers-reduced-motion:reduce){.hnews,.hnews b,.hn-run{animation:none}.hn-track{-webkit-mask-image:none;mask-image:none}.hn-run span+span{display:none}.hn-run{white-space:normal}}
@media (max-width:420px){.hnews{max-width:160px}}
.pulse-head .eyebrow{white-space:nowrap}
.pulse-head .hnews{flex:0 1 200px}
@media (max-width:560px){.pulse-head{flex-wrap:wrap}.pulse-head .hnews{flex:1 1 100%;max-width:none;order:2}}


/* ---------- Ingliz tili: so'z tarjimasi (lug'at) ---------- */
.wt-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;margin:12px 0;padding:10px 14px;border-radius:14px;background:var(--brand-soft);color:var(--ink);font-size:13.5px;font-weight:600}
.wt-sw{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-weight:600;color:var(--brand)}
.wt-sw input{width:18px;height:18px;accent-color:var(--brand)}
#qs .q-text{cursor:text}
#qs.wt-on .opt{outline:2px dashed color-mix(in srgb,var(--brand) 45%,transparent);outline-offset:-3px;cursor:help}
.wtip{position:absolute;z-index:200;max-width:min(320px,calc(100vw - 16px));display:grid;gap:2px;padding:9px 13px;border-radius:12px;background:#0d1330;color:#fff;box-shadow:0 12px 30px -10px rgba(0,0,0,.5);font-size:14px;line-height:1.35;animation:wtIn .14s ease-out}
.wtip b{color:#ffd23f;font:700 15px/1.2 var(--f-display)}
.wtip i{opacity:.7}
.wtip::after{content:"";position:absolute;left:var(--ax,50%);bottom:-6px;width:12px;height:12px;background:inherit;transform:translateX(-50%) rotate(45deg);border-radius:2px}
.wtip.below::after{bottom:auto;top:-6px}
@keyframes wtIn{from{opacity:0;transform:translateY(4px)}}

/* ---------- Muallif telefoni (takliflar uchun) ---------- */
.hauthor2 .au-tel{margin-top:6px;display:inline-flex;align-items:center;gap:8px;padding:6px 12px 6px 6px;border-radius:12px;background:var(--ok-soft);color:var(--ok);text-decoration:none;justify-self:start;border:1px solid color-mix(in srgb,var(--ok) 35%,transparent);transition:transform .15s}
.hauthor2 .au-tel:hover{transform:translateY(-1px)}
.hauthor2 .au-tel svg{width:28px;height:28px;padding:6px;border-radius:9px;background:var(--ok);color:#fff;flex:none}
.hauthor2 .au-tel>span{display:grid;line-height:1.15}
.hauthor2 .au-tel em{font-style:normal;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;opacity:.85}
.hauthor2 .au-tel>span{font:800 16px/1.15 var(--f-display);color:var(--ink);white-space:nowrap}
.hauthor2 .au-tel>span em{color:var(--ok)}
::highlight(wt-word){background-color:#ffd23f;color:#1b1f33}
.wt-mark{position:absolute;z-index:150;pointer-events:none;border-radius:6px;background:rgba(255,210,63,.55);box-shadow:0 0 0 2px #ffd23f}
#qs .q-text,#qs .opt .v{cursor:help}
.hauthor2 .au-school{margin-top:6px;display:flex;align-items:center;gap:7px;font:700 13px/1.3 var(--f-display);color:var(--brand)}
.hauthor2 .au-school svg{width:18px;height:18px;flex:none}
.hleader.hcontact .who b{white-space:normal;line-height:1.3;font-size:14.5px}
.hleader.hcontact .pct{font-size:22px}

/* Lug'at oynasi: talaffuz va sinonimlar */
.wtip{gap:4px;min-width:170px}
.wtip .wt-h{display:flex;align-items:center;justify-content:space-between;gap:10px}
.wtip .wt-say{border:0;background:rgba(255,255,255,.14);color:#fff;border-radius:8px;width:30px;height:28px;cursor:pointer;font-size:15px;line-height:1;display:grid;place-items:center}
.wtip .wt-say:hover{background:#ffd23f;color:#1b1f33}
.wtip .wt-ipa{font-size:13px;color:#aab6ff;font-family:"Segoe UI","Noto Sans",Arial,sans-serif}
.wtip .wt-ipa span{color:#c9f2d6;margin-left:4px}
.wtip .wt-tr{font-size:14.5px}
.wtip .wt-syn{font-size:12.5px;color:#dbe3ff;border-top:1px solid rgba(255,255,255,.15);padding-top:5px;margin-top:2px}
.wtip .wt-syn em{font-style:normal;color:#ffd23f;font-weight:700}