@charset "UTF-8";
/* dars.css — dars sahifasining yangi qobig'i (2026-10-15, o'qituvchi so'rovi).
   Ixcham sarlavha + tablar, «O‘qituvchi uchun» paneli, materiallar kartalari,
   o'quvchi rejimi (yashirish/tinglash/bilaman, progress) va SINF REJIMI.
   Hamma qoida `body.dk` ostida — dars.js ishlamasa sahifa avvalgidek qoladi.
   Ulanishi: materials/build_vocab.py (DARS_VER). O'zgarsa DARS_VER ni oshiring. */

/* ---------------------------------------------------------- ixcham sarlavha */
body.dk header{padding:16px 18px 20px}
body.dk header .kicker{font-size:10.5px}
body.dk header h1{font-size:clamp(23px,2.7vw,34px);margin-top:5px;line-height:1.12}
body.dk header .uznomi{font-size:14px;margin-top:3px}
body.dk header .lead{display:none}
body.dk .qachon{flex-wrap:nowrap;overflow-x:auto;justify-content:safe center;gap:6px;
  margin-top:10px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
body.dk .qachon::-webkit-scrollbar{display:none}
body.dk .qachon span{flex:0 0 auto;white-space:nowrap;padding:3px 11px;font-size:12px}
body.dk header+main{padding-top:14px}
body.dk .dlnote{display:none}

/* ------------------------------------------------------------ yuqori qator */
.dk-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 10px}
.dk-btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);
  border-radius:999px;background:var(--velvet);color:var(--strong);cursor:pointer;
  font:600 13.5px/1 Manrope,"Segoe UI",system-ui,sans-serif;padding:9px 15px;
  transition:border-color .15s,background .15s,color .15s,transform .15s;text-decoration:none;
  white-space:nowrap}
.dk-btn:hover{border-color:var(--orange)}
.dk-btn[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:#fff}
.dk-btn.dk-pri{background:var(--orange);border-color:var(--orange);color:#fff;
  box-shadow:0 4px 14px rgba(226,96,60,.28);font-size:14.5px;padding:11px 20px}
.dk-btn.dk-pri:hover{transform:translateY(-1px);background:#d4532f}
.dk-btn .dk-car{transition:transform .18s;font-size:15px;line-height:1;color:var(--gold)}
.dk-btn[aria-expanded="true"] .dk-car{transform:rotate(180deg)}
.dk-top .dk-sp{flex:1}

/* «O‘qituvchi uchun» paneli */
.dk-tch{border:1px solid var(--line);border-radius:14px;background:var(--panel);
  padding:14px 16px;margin:0 0 12px}
.dk-tch[hidden]{display:none}
.dk-tch .plan{border:0;padding:0;margin:0 0 10px}
.dk-tch .dk-cw{color:var(--soft);font-size:calc(13.5px * var(--fs));line-height:1.6;margin:0 0 10px}
.dk-tch .dk-cw b{color:var(--gold)}
.dk-tch .dk-tacts{display:flex;gap:8px;flex-wrap:wrap}

/* ------------------------------------------------ progress + uyga vazifa */
.dk-info{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:10px;margin:0 0 12px}
.dk-info.dk-one{grid-template-columns:1fr}
.dk-prog{display:flex;align-items:center;gap:8px 12px;flex-wrap:wrap;border:1px solid var(--line);
  border-radius:14px;background:var(--velvet);padding:10px 14px;font-size:13px;color:var(--soft)}
.dk-prog[hidden],.dk-hw[hidden]{display:none}
.dk-prog .dk-pl{font-weight:700;color:var(--strong)}
.dk-prog .dk-pbar{flex:0 0 90px;height:9px;border-radius:99px;background:var(--hair);overflow:hidden}
.dk-prog .dk-pbar i{display:block;height:100%;width:0;border-radius:99px;
  background:linear-gradient(90deg,var(--teal),var(--gold));transition:width .4s}
.dk-prog .dk-pct{font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums}
.dk-prog .dk-ps{white-space:nowrap;font-variant-numeric:tabular-nums}
.dk-prog .dk-ps::before{content:"·";margin-right:10px;color:var(--dim)}
.dk-prog .dk-ps.ok{color:#1f8a4c;font-weight:700}
.dk-hw{display:flex;gap:11px;align-items:flex-start;border:1px solid rgba(226,96,60,.35);
  border-radius:14px;background:linear-gradient(135deg,rgba(226,96,60,.09),rgba(226,96,60,.03));
  padding:10px 14px}
.dk-hw .dk-hwi{font-size:20px;line-height:1.2}
.dk-hw b{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--chiptx)}
.dk-hw p{margin-top:2px;color:var(--strong);font-size:calc(14px * var(--fs));line-height:1.45;font-weight:600}

/* ------------------------------------------------------------------ tablar */
.dk-tabs{position:sticky;top:var(--dk-top,0px);z-index:20;display:flex;gap:6px;
  margin:0 -16px 14px;padding:9px 16px;background:rgba(251,248,243,.94);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--hair);overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  /* Telegram to'liq ekranida tepadagi bo'shliq (tg.js) ham fon bilan yopiladi */
  box-shadow:0 calc(-.5 * var(--dk-top,0px)) 0 calc(.5 * var(--dk-top,0px)) #FBF8F3}
.dk-tabs::-webkit-scrollbar{display:none}
.dk-tab{flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;border:1px solid transparent;
  border-radius:12px;background:none;color:var(--soft);cursor:pointer;
  font:600 14.5px/1 Manrope,"Segoe UI",system-ui,sans-serif;padding:10px 14px;
  transition:background .15s,color .15s,border-color .15s}
.dk-tab:hover{background:var(--hover);color:var(--strong)}
.dk-tab .dk-ti{font-size:16px}
.dk-tab .dk-tn{font-size:11.5px;font-weight:700;color:var(--dim);background:var(--hair);
  border-radius:99px;padding:3px 7px}
.dk-tab.on{background:var(--gold);color:#fff;border-color:var(--gold);
  box-shadow:0 4px 12px rgba(11,110,95,.22)}
.dk-tab.on .dk-tn{background:rgba(255,255,255,.2);color:#fff}
@media (max-width:1099.98px){ .dk-tabs{padding-left:58px} }   /* suzuvchi ☰ ostida qolmasin */
html.sz-over .dk-tabs{padding-left:58px}
.dk-pane[hidden]{display:none}
.dk-pane{animation:dkIn .22s ease-out}
@keyframes dkIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* Tab ichidagi bo'limlar ochiq — sarlavha endi tugma emas, oddiy sarlavha */
.pan.dk-fix>summary{cursor:default;pointer-events:none}
.pan.dk-fix>summary::after{display:none}
.pan.dk-fix>summary:hover{background:none}
.dk-pane .oyinlar{margin-top:0}

/* Mundarija (TOC) — tablar ro'yxati */
.toc a.dk-tocs{padding-left:24px;font-size:12.5px;font-weight:500}

/* ------------------------------------------------ So'zlar: o'quvchi rejimi */
.dk-wtools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:-2px 0 12px;
  padding-bottom:12px;border-bottom:1px solid var(--hair)}
.dk-wtools .dk-scrv{cursor:pointer;padding-top:0;padding-bottom:0;padding-right:10px;font:inherit;font-size:14px;align-self:stretch;min-height:34px}       /* ▶ Aylantirish tezligi (2026-10-21) */
.dk-scrs{display:flex}.dk-scrg{display:flex;align-items:stretch;gap:8px}
.dk-scrg .dk-scrx{display:none;padding:0 12px}
.dk-scrg.dk-float{position:fixed;z-index:34;left:50%;transform:translateX(-50%);bottom:calc(18px + env(safe-area-inset-bottom,0px));
  padding:8px;border-radius:999px;background:var(--velvet);border:1px solid var(--line);box-shadow:0 10px 30px rgba(11,48,42,.22);
  animation:dkScrIn .2s ease-out}
.dk-scrg.dk-float .dk-scrx,.dk-scrg.dk-float .dk-scrf{display:inline-flex}
.dk-scrg .dk-scrf{display:none;padding:0 12px;font-weight:800}.dk-scrg .dk-scrf:disabled{opacity:.4;cursor:default;border-color:var(--line)}
.dk-scrg.dk-float{max-width:calc(100vw - 16px);box-sizing:border-box}.dk-scrg.dk-float .dk-scrv{min-width:0;flex:1 1 auto}
@keyframes dkScrIn{from{opacity:0;transform:translate(-50%,10px)}}
@media (max-width:760px){.dk-scrg.dk-float{bottom:calc(84px + env(safe-area-inset-bottom,0px))}}
@media (max-width:480px){.dk-scrg.dk-float .dk-scrf{display:none}}   /* telefonda joy yo'q — A tugmasi tepada */   /* ↑ Aylantirish suzuvchi paneli (2026-10-23) */
.dk-wtools .dk-wk{margin-left:auto;font-size:13px;color:var(--dim);font-variant-numeric:tabular-nums}
.dk-wtools .dk-wk b{color:#1f8a4c}
ol.wl li{position:relative;transition:background .2s}
ol.wl li>div{flex:1;min-width:0}
ol.wl li.dk-cur{background:rgba(226,96,60,.09);border-radius:10px;box-shadow:0 0 0 2px rgba(226,96,60,.25)}
ol.wl li.dk-known .w{color:#1f8a4c}
ol.wl li.dk-known .i{color:#1f8a4c;font-weight:700}
.dk-know{flex:0 0 auto;align-self:center;border:1px solid var(--line);border-radius:999px;
  background:none;color:var(--dim);cursor:pointer;font:600 12px/1 Manrope,"Segoe UI",system-ui,sans-serif;
  padding:7px 11px;white-space:nowrap;transition:all .15s}
.dk-know:hover{border-color:#1f8a4c;color:#1f8a4c}
.dk-know[aria-pressed="true"]{background:#1f8a4c;border-color:#1f8a4c;color:#fff}
/* o'zbekchani yashirish: so'z joyida ••• chiqadi, bosilsa bittasi ochiladi */
body.dk-hideuz ol.wl .uz:not(.dk-show),body.dk-hideuz .dk-wuz:not(.dk-show){position:relative;
  color:transparent!important;cursor:pointer;border-radius:6px;background:var(--hair);
  user-select:none;min-width:3.2em;display:inline-block}
body.dk-hideuz ol.wl .uz:not(.dk-show)::after,body.dk-hideuz .dk-wuz:not(.dk-show)::after{
  content:"•••";position:absolute;inset:0;display:grid;place-items:center;color:var(--gold);
  letter-spacing:.2em;font-weight:700}
body.dk-hideuz ol.wl .uz.dk-show{background:rgba(31,138,76,.1);border-radius:6px;padding:0 4px}

/* Matn: «o'qidim» tugmasi */
.dk-read{display:flex;justify-content:flex-end;margin:-4px 0 14px}

/* ---------------------------------------------------- materiallar kartalari */
.dk-mats{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.dk-mat{display:flex;flex-direction:column;gap:10px;border:1px solid var(--line);border-radius:16px;
  background:var(--velvet);padding:16px;box-shadow:0 2px 10px rgba(11,60,50,.05);
  transition:border-color .15s,transform .15s}
.dk-mat:hover{border-color:rgba(226,96,60,.55);transform:translateY(-1px)}
.dk-mhd{display:flex;gap:12px;align-items:flex-start}
.dk-mi{flex:0 0 46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:23px;
  background:rgba(11,110,95,.09)}
.dk-mat[data-ext="PPTX"] .dk-mi{background:rgba(226,96,60,.12)}
.dk-mat[data-ext="DOCX"] .dk-mi{background:rgba(43,87,154,.12)}
.dk-mt b{display:block;font-size:15px;color:var(--strong);line-height:1.3}
.dk-mt em{display:block;font-style:normal;font-size:12.5px;color:var(--dim);margin-top:3px;line-height:1.4}
.dk-mmeta{display:inline-block;margin-top:6px;font-size:11px;font-weight:700;letter-spacing:.06em;
  color:var(--gold);background:var(--hair);border-radius:99px;padding:3px 9px}
.dk-macts{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto}
.dk-macts .dk-btn{padding:8px 11px;font-size:12.5px}
.dk-macts .dk-get{background:var(--gold);border-color:var(--gold);color:#fff}
.dk-macts .dk-get:hover{background:#095a4e}
.dk-matnote{color:var(--dim);font-size:12.5px;margin:12px 2px 0}

/* PDF ko'ruvchi oyna */
.dk-modal{position:fixed;inset:0;z-index:200;background:rgba(11,33,29,.62);display:flex;
  align-items:stretch;justify-content:center;padding:calc(var(--dk-top,0px) + 18px) 18px 18px}
.dk-modal[hidden]{display:none}
.dk-mbox{display:flex;flex-direction:column;width:100%;max-width:1200px;background:var(--velvet);
  border-radius:16px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.dk-mbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 12px;
  border-bottom:1px solid var(--line)}
.dk-mbar b{flex:1;min-width:140px;font-size:15px;color:var(--strong);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.dk-mbar .dk-btn{padding:8px 12px;font-size:12.5px}
.dk-mbox iframe{flex:1;width:100%;border:0;background:#525659}
.dk-mhint{padding:8px 14px;font-size:12.5px;color:var(--dim);border-top:1px solid var(--hair)}
.dk-mhint[hidden]{display:none}

/* ==================================================== SINF REJIMI (panel) */
body.dk-clsopen{overflow:hidden}
.dk-cls{position:fixed;inset:0;z-index:150;display:flex;flex-direction:column;
  background:linear-gradient(180deg,#FBF8F3,#F1F6F3);color:var(--ivory);
  padding-top:var(--dk-top,0px)}
.dk-cls[hidden]{display:none}
.dk-cbar{flex:0 0 auto;display:flex;align-items:center;gap:clamp(6px,.8vw,14px);flex-wrap:wrap;
  padding:clamp(8px,.9vw,14px) clamp(10px,1.4vw,24px);
  background:linear-gradient(160deg,#0B6E5F 0%,#0A5347 58%,#093F37 100%);color:#fff;
  font-size:clamp(14px,1.05vw,22px)}
.dk-cbar button{border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:#fff;
  border-radius:12px;cursor:pointer;font:600 1em/1 Manrope,"Segoe UI",system-ui,sans-serif;
  padding:.55em .8em;white-space:nowrap;transition:background .15s,border-color .15s}
.dk-cbar button:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.6)}
.dk-cbar button:disabled{opacity:.35;cursor:default}
.dk-cstep{display:flex;align-items:center;gap:.5em}
.dk-cstep .dk-cn{font-weight:800;font-size:1.25em;min-width:7.5em;text-align:center}
.dk-cstep .dk-cn small{font-weight:600;opacity:.7;font-size:.75em;margin-right:.35em}
.dk-chips{display:flex;gap:.35em;flex-wrap:wrap}
.dk-chips button{font-size:.8em;padding:.5em .75em;opacity:.8}
.dk-chips button.on{background:#E2603C;border-color:#E2603C;opacity:1}
.dk-cbar .dk-sp{flex:1}
.dk-timer{display:flex;align-items:center;gap:.35em}
.dk-timer .dk-tt{font-variant-numeric:tabular-nums;font-weight:800;font-size:1.3em;min-width:3.4em;
  text-align:center;letter-spacing:.02em}
.dk-timer.run .dk-tt{color:#FFD9C9}
/* Dars xaritasi bo'yicha teskari sanoq (dars.js + /oyin/dars-taymer.js) */
.dk-timer.dk-cd .dk-tstage{display:inline-flex;align-items:center;gap:.3em;max-width:min(19em,34vw);
  font-size:.82em;font-weight:600;overflow:hidden}
.dk-timer.dk-cd .dk-tstage span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.dk-timer.over .dk-tt{color:#FF8A75;animation:dkOver 1s steps(2,start) infinite}
.dk-timer.over .dk-tstage{border-color:#FF8A75;background:rgba(255,138,117,.18)}
@keyframes dkOver{50%{opacity:.55}}
.dk-tlist{position:absolute;z-index:7;width:min(440px,calc(100vw - 16px));max-height:min(70vh,560px);overflow:auto;
  background:#fff;border-radius:16px;box-shadow:0 18px 50px rgba(0,0,0,.3);padding:6px;
  font-size:clamp(14px,1vw,20px)}
.dk-tlist[hidden]{display:none}
.dk-tlist button{display:grid;grid-template-columns:2em 1fr;gap:0 .5em;width:100%;text-align:left;border:0;
  background:none;border-radius:10px;padding:.55em .6em;cursor:pointer;color:#10302A;font:600 1em/1.25 Manrope,"Segoe UI",system-ui,sans-serif}
.dk-tlist button:hover{background:#F3F8F5}
.dk-tlist button.on{background:#0B6E5F;color:#fff}
.dk-tlist button span{grid-row:1/span 2;font-weight:800;color:#E2603C;align-self:center}
.dk-tlist button.on span{color:#FFD9C9}
.dk-tlist button small{font-weight:500;opacity:.7;font-size:.8em}
@media (prefers-reduced-motion:reduce){ .dk-timer.over .dk-tt{animation:none} }
.dk-cbar .dk-pickb{background:#E2603C;border-color:#E2603C}
.dk-cbar .dk-pickb:hover{background:#f0714c}
.dk-stage{flex:1;overflow:auto;padding:clamp(12px,2vw,40px) clamp(12px,3vw,64px);
  -webkit-overflow-scrolling:touch}
.dk-stage>*{max-width:min(1700px,100%);margin-left:auto;margin-right:auto}
/* 2026-10-19 (o'qituvchi): telefonda/planshetda bo'limlar qatori YASHIRILMAYDI — alohida
   to'liq qator, sig'masa yonga suriladi (avval faqat tepadagi xira ‹ › bilan o'tilardi) */
@media (max-width:900px){
  .dk-chips{flex:1 0 100%;order:99;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;gap:6px;padding:2px 0}
  .dk-chips::-webkit-scrollbar{display:none}
  .dk-chips button{flex:0 0 auto;font-size:12.5px;padding:.5em .8em;opacity:.95;white-space:nowrap}
  /* ☰ qo'shildi (2026-10-21) — ✕ yangi qatorga tushmasin; «1/5» chiplarda baribir ko'rinadi */
  .dk-cstep .dk-cn{min-width:0}
  .dk-cstep .dk-cn small{display:none}
}

/* Taqdimot qadami: slayd ekranga sig'adi */
.dk-stage .pbody.dk-slides{padding:0}
.dk-stage .dk-slides .sv img{width:100%;height:calc(100vh - var(--dk-top,0px) - clamp(190px,17vw,270px));
  min-height:240px;aspect-ratio:auto;object-fit:contain}
.dk-stage .dk-slides .svbar{justify-content:center;font-size:clamp(15px,1.1vw,24px)}
.dk-stage .dk-slides .svbar button{font-size:1em}
.dk-stage .dk-slides .svsp{margin-left:0}
.dk-stage .dk-slides .svth img{height:clamp(40px,3.4vw,64px);width:auto;aspect-ratio:16/9}

/* So'zlar qadami: bitta katta karta */
.dk-wcard{max-width:min(1300px,100%)!important;min-height:calc(100vh - var(--dk-top,0px) - clamp(130px,11vw,200px));
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  gap:clamp(8px,1.4vh,22px)}
.dk-wem{font-size:calc(clamp(64px,9vw,190px) * var(--dk-k,1));line-height:1}
.dk-ww{display:flex;align-items:center;justify-content:center;gap:.35em;flex-wrap:wrap;
  font-size:calc(clamp(40px,6vw,128px) * var(--dk-k,1));line-height:1.05}
.dk-ww b{font-weight:800;color:var(--strong);letter-spacing:-.01em}
.dk-ww .say{width:clamp(44px,4.4vw,92px);height:clamp(44px,4.4vw,92px);margin:0;vertical-align:middle;border-width:2px}
.dk-ww .say svg{width:52%;height:52%}
.dk-wuz{font-size:calc(clamp(24px,3vw,64px) * var(--dk-k,1));color:var(--gold);font-weight:700;padding:0 .3em}
.dk-wex{font-size:calc(clamp(18px,1.9vw,40px) * var(--dk-k,1));color:var(--soft);max-width:34em;line-height:1.45}
.dk-wex b{color:var(--strong)}
.dk-wsec{font-size:clamp(12px,.9vw,18px);letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.dk-wnav{display:flex;align-items:center;gap:1em;margin-top:clamp(6px,2vh,30px);font-size:clamp(16px,1.3vw,28px)}
.dk-wnav button{border:1px solid var(--line);background:var(--velvet);color:var(--strong);border-radius:14px;
  cursor:pointer;font:700 1em/1 Manrope,"Segoe UI",system-ui,sans-serif;padding:.6em 1.1em}
.dk-wnav button:hover{border-color:var(--orange);color:var(--orange)}
.dk-wnav span{font-variant-numeric:tabular-nums;color:var(--dim);min-width:5em}
.dk-wnav .dk-know{font-size:.8em;padding:.6em 1em}
/* animatsiya faqat so'z qismida — tugmalar qimirlamaydi (2026-10-19, o'qituvchi) */
.dk-wcard.dk-pop > :not(.dk-wnav){animation:dkPop .28s ease-out}
/* Tugmalar QOTIB turadi (2026-10-19, o'qituvchi: «Sinov»dagidek — matn uzun/qisqaligi
   ←, →, bilaman, avto, Sinov joyini o'zgartirmasin): kontent yuqori-pastdan auto margin bilan
   o'rtada, navigatsiya kartaning eng pastida; hisoblagich kengligi qat'iy. */
.dk-wcard > :first-child{margin-top:auto}
.dk-wcard > .dk-wnav{margin-top:auto;padding-top:clamp(10px,2vh,30px)}
.dk-wnav span{display:inline-block;width:5.5em;min-width:5.5em;text-align:center}
@keyframes dkPop{from{opacity:.2;transform:translateX(var(--dk-dx,24px))}to{opacity:1;transform:none}}

/* Matn va Mashqlar qadami: o'lcham --fs orqali (JS ekranga moslaydi) */
.dk-stage .story{margin:0 auto}
.dk-stage .pan{margin-bottom:clamp(12px,1.4vw,26px)}
.dk-stage .story p,.dk-stage ol.ex li{line-height:1.7}

/* O'yinlar qadami */
.dk-games{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));
  gap:clamp(12px,1.4vw,26px)}
.dk-games a{display:flex;flex-direction:column;justify-content:center;gap:.4em;
  min-height:clamp(120px,14vw,260px);border-radius:22px;padding:1em 1.2em;color:#fff;
  font-size:clamp(20px,2vw,44px);background:linear-gradient(150deg,#0E8A76,#0B6E5F);
  box-shadow:0 10px 30px rgba(11,60,50,.2);transition:transform .15s}
.dk-games a:nth-child(2){background:linear-gradient(150deg,#E2603C,#C24A28)}
.dk-games a:nth-child(3){background:linear-gradient(150deg,#2E6FA8,#1F4F7A)}
.dk-games a:hover{transform:translateY(-3px)}
.dk-games a b{font-weight:800}
.dk-games a em{font-style:normal;opacity:.85;font-size:.5em}
.dk-endhw{margin-top:clamp(16px,2.4vw,44px);border:2px dashed rgba(226,96,60,.45);border-radius:22px;
  padding:clamp(14px,1.6vw,30px);text-align:center;background:rgba(226,96,60,.06)}
.dk-endhw b{display:block;font-size:clamp(13px,1vw,20px);letter-spacing:.16em;text-transform:uppercase;
  color:var(--chiptx)}
.dk-endhw p{margin-top:.3em;font-size:clamp(22px,2.4vw,52px);font-weight:700;color:var(--strong);line-height:1.3}
.dk-empty{text-align:center;color:var(--dim);font-size:clamp(16px,1.4vw,28px);padding:10vh 0}

/* Tasodifiy o'quvchi */
.dk-pick{position:absolute;inset:0;z-index:5;display:flex;align-items:center;justify-content:center;
  background:rgba(9,40,35,.97);padding:20px}
.dk-pick[hidden]{display:none}
.dk-pbox{width:min(1400px,100%);text-align:center;color:#fff;font-size:clamp(15px,1.15vw,24px)}
.dk-pcls{display:flex;gap:.5em;justify-content:center;flex-wrap:wrap;margin-bottom:1.2em}
.dk-pcls button,.dk-pacts button{border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);
  color:#fff;border-radius:14px;cursor:pointer;font:700 1em/1 Manrope,"Segoe UI",system-ui,sans-serif;
  padding:.7em 1.2em}
.dk-pcls button.on{background:#E2603C;border-color:#E2603C}
.dk-pname{min-height:1.3em;font-family:"Cormorant Garamond",Georgia,serif;font-weight:600;
  font-size:clamp(46px,8vw,190px);line-height:1.1;letter-spacing:.01em;word-break:break-word}
.dk-pname.spin{opacity:.55;filter:blur(1px)}
.dk-pname.won{animation:dkWin .6s cubic-bezier(.2,1.4,.4,1)}
@keyframes dkWin{0%{transform:scale(.6);opacity:0}100%{transform:none;opacity:1}}
.dk-pmeta{margin-top:.8em;opacity:.75}
.dk-pacts{display:flex;gap:.6em;justify-content:center;flex-wrap:wrap;margin-top:1.4em}
.dk-pacts .dk-pgo{background:#E2603C;border-color:#E2603C;font-size:1.25em}

@media (max-width:640px){
  .dk-info{grid-template-columns:1fr}
  .dk-prog .dk-pbar{flex-basis:70px}
  .dk-tab{padding:9px 11px;font-size:13.5px}
  .dk-btn.dk-pri{padding:10px 15px;font-size:13.5px}
  .dk-mats{grid-template-columns:1fr}
  .dk-modal{padding:calc(var(--dk-top,0px) + 8px) 8px 8px}
  .dk-know{padding:7px 10px;font-size:13px}
  .dk-know .dk-kt{display:none}
  .dk-wnav .dk-know .dk-kt{display:inline}
}
@media (prefers-reduced-motion:reduce){
  .dk-pane,.dk-wcard.dk-pop > *,.dk-pname.won{animation:none}
}
@media print{
  .dk-top,.dk-info,.dk-tabs,.dk-wtools,.dk-know,.dk-cls,.dk-modal{display:none!important}
  .dk-pane[hidden]{display:block!important}
}

/* Sinf rejimi — TELEFON (2026-10-17, o'qituvchi: «mobile view unprofessional»).
   Panel uch toza qatorga: [‹ qadam ›  ✕] / [⏱ bosqich · vaqt ▶ ⏭ ↺] / [🎵 musiqa  🎯 Sinov].
   So'z kartasi tepadan boshlanadi; pastki tugmalar 3 ustunli to'r. */
@media (max-width:640px){
  .dk-cbar{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:8px;padding:10px 12px;font-size:14px}
  .dk-cbar button{padding:.5em .65em;border-radius:10px}
  .dk-cbar .dk-sp{display:none}
  .dk-cbar .dk-chips{grid-column:1 / -1;grid-row:4}
  .dk-cstep > button{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.65)}
  .dk-cstep{grid-column:1 / 3;grid-row:1;min-width:0;gap:.4em}
  .dk-cstep .dk-cn{flex:1;min-width:0;font-size:1.15em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .dk-cbar > button:last-child{grid-column:3;grid-row:1}
  .dk-timer{grid-column:1 / -1;grid-row:2;min-width:0;gap:6px}
  .dk-timer.dk-cd .dk-tstage{flex:1;min-width:0;max-width:none;justify-content:flex-start}
  .dk-timer .dk-tt{font-size:1.25em;min-width:3em}
  .dk-cbar .fm-s{grid-column:1;grid-row:3;justify-self:start}
  .dk-cbar .dk-pickb{grid-column:2 / -1;grid-row:3;justify-self:end}
  .dk-stage{padding:14px 12px 24px}
  .dk-stage .dk-slides .sv img{height:auto;max-height:calc(100vh - var(--dk-top,0px) - 250px);object-fit:contain}
  .dk-wcard{min-height:0;justify-content:flex-start;padding-top:2vh;gap:12px}
  .dk-wem{font-size:72px}
  .dk-ww{font-size:clamp(30px,9vw,44px)}
  .dk-ww .say{width:44px;height:44px}
  .dk-wuz{font-size:22px}
  .dk-wex{font-size:17px}
  .dk-wnav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;width:100%;max-width:420px;
    margin-top:10px;font-size:15px}
  .dk-wnav > button,.dk-wnav .dk-know{width:100%;padding:.7em .4em;font-size:14px;white-space:nowrap}
  .dk-wnav span{min-width:0;width:auto;align-self:center;text-align:center}
  .dk-wcard > :first-child,.dk-wcard > .dk-wnav{margin-top:0}
  .dk-wcard > .dk-wnav{margin-top:10px;padding-top:0}
}

/* Dars sahifasi — TELEFON (mobil QC, 2026-10-17).
   Sarlavhadagi sana chiplari kesilib turmasin — o'raladi; bo'lim sarlavhasi
   «belgi | sarlavha / izoh» to'ri (izoh sarlavha yonida 3 qatorga siqilardi);
   O'yinlar kartasidagi izoh 10px edi. */
@media (max-width:640px){
  body.dk .qachon{flex-wrap:wrap;overflow:visible;justify-content:center}
  body.dk .pan>summary{display:grid;grid-template-columns:auto minmax(0,1fr) auto;column-gap:10px;row-gap:2px;
    align-items:center;padding:13px 14px}
  body.dk .pan>summary>.pi{grid-column:1;grid-row:1 / span 2}
  body.dk .pan>summary>b{grid-column:2;grid-row:1;line-height:1.15}
  body.dk .pan>summary>em{grid-column:2;grid-row:2;line-height:1.35}
  body.dk .pan>summary::after{grid-column:3;grid-row:1 / span 2;margin-left:0}
  .dk-games a{min-height:96px;font-size:22px}
  .dk-games a em{font-size:13px}
  .dk-endhw p{font-size:20px}
}

/* klaviatura / pult fokusi — panelda ko'rinsin (QC 2, 2026-10-16) */
.dk-cls button:focus-visible{outline:3px solid #E2603C;outline-offset:3px}
.dk-cbar button:focus-visible{outline-color:#FFD9A8;outline-offset:2px}
.dk-cbar [hidden]{display:none!important}

/* ===== TUGMALAR YON USTUNDA (2026-10-19, o'qituvchi: smart panel keng — o'rtada turib
   bosilsa ko'rinishni to'sadi). Kompyuter/panelda So'zlar va Sinov tugmalari o'ng chetda tik
   ustun: eng tepada katta «→», keyin hisob, «←», qolganlari. «⇄» ustunni chapga o'tkazadi
   (html.dk-navl, localStorage «dk-navside»). Telefonda avvalgidek pastda. ===== */
@media (min-width:761px){
  :root{--dk-navw:clamp(84px,5.4vw,118px);--dk-navx:clamp(10px,1.1vw,22px)}
  .dk-stage:has(> .dk-wcard),.dk-stage:has(> .sq){padding-right:calc(var(--dk-navw) + var(--dk-navx) * 2)}
  html.dk-navl .dk-stage:has(> .dk-wcard),html.dk-navl .dk-stage:has(> .sq){
    padding-right:clamp(12px,3vw,64px);padding-left:calc(var(--dk-navw) + var(--dk-navx) * 2)}
  .dk-wcard > :nth-last-child(2){margin-bottom:auto}
  .dk-wcard > .dk-wnav{position:fixed;z-index:30;right:var(--dk-navx);left:auto;width:var(--dk-navw);
    top:calc(50% + var(--dk-top,0px) / 2);transform:translateY(-50%);margin:0;padding:0;
    flex-direction:column;align-items:stretch;gap:clamp(8px,1.3vh,16px);font-size:clamp(16px,1.25vw,26px)}
  html.dk-navl .dk-wcard > .dk-wnav{right:auto;left:var(--dk-navx)}
  .dk-wnav > button,.dk-wnav .dk-know{width:100%;text-align:center;white-space:nowrap}
  .dk-wnav > button[data-d="1"]{order:1;font-size:1.7em;padding:.55em 0;background:#E2603C;border-color:#E2603C;color:#fff}
  .dk-wnav > button[data-d="1"]:hover{color:#fff;filter:brightness(1.08)}
  .dk-wnav > span{order:2;width:auto;min-width:0}
  .dk-wnav > button[data-d="-1"]{order:3;font-size:1.3em;padding:.5em 0}
  .dk-wnav .dk-know{order:4;font-size:.8em;padding:.7em .3em}
  .dk-wnav .dk-side{order:9;font-size:.75em;opacity:.75}
}
.dk-ic{display:none;font-style:normal}
/* tugma ichidagi matn hisoblagich («.dk-wnav span») uslubini olmasin */
.dk-wnav button .dk-tx{color:inherit;min-width:0;width:auto;text-align:inherit}
.dk-ic svg{display:block;width:1.2em;height:1.2em;margin:0 auto}
@media (min-width:761px){
  /* ikonkalar (2026-10-19): matn yashirin, tugmalar bir xil o'lchamda */
  .dk-wnav .dk-tx{display:none}
  .dk-wnav .dk-ic{display:block}
  .dk-wnav > button[data-d="1"] .dk-ic svg{width:1.05em;height:1.05em}
  .dk-wnav > button[data-d="-1"] .dk-ic svg{width:1em;height:1em}
  .dk-wnav .dk-know{font-size:1.05em;padding:.55em 0}
  .dk-wnav .dk-side{font-size:.75em;padding:.6em 0}
  .dk-wnav .dk-quizb{color:#E2603C}
}
/* «💡 bilaman» effekti (2026-10-19) */
.dk-wnav .dk-kn{display:block;font-size:.7em;color:#B07A00;margin-top:2px;cursor:pointer;text-decoration:underline dotted}
.dk-bulb[aria-pressed="true"]{background:#F5B83D!important;border-color:#E09A12!important;color:#5A3A00!important;
  box-shadow:0 0 0 4px rgba(245,184,61,.25),0 0 22px rgba(245,184,61,.55)}
.dk-wcard.dk-knew::after{content:"💡 Bilaman!";position:fixed;left:50%;top:46%;transform:translate(-50%,-50%);
  z-index:40;pointer-events:none;font:800 clamp(28px,4vw,72px)/1 Manrope,"Segoe UI",system-ui,sans-serif;color:#1f8a4c;
  background:rgba(255,255,255,.92);padding:.35em .7em;border-radius:24px;box-shadow:0 18px 50px rgba(11,48,42,.18);
  animation:dkKnew .65s ease-out forwards}
.dk-wcard{position:relative}
@keyframes dkKnew{0%{opacity:0;transform:translate(-50%,-50%) scale(.6)}25%{opacity:1;transform:translate(-50%,-50%) scale(1.06)}
  75%{opacity:1;transform:translate(-50%,-50%) scale(1)}100%{opacity:0;transform:translate(-50%,-62%) scale(.96)}}
@media (prefers-reduced-motion:reduce){.dk-wcard.dk-knew::after{animation:none;opacity:0}}
@media (max-width:760px){
  .dk-side{display:none!important}
  /* TELEFON (2026-10-19, o'qituvchi): tugmalar ham ikonka va ekran PASTIGA QOTIRILGAN —
     yozuv uzun/qisqaligidan qat'i nazar joyi o'zgarmaydi. Bitta qator: ← hisob → ✓ 🔊 🎯 */
  .dk-wnav .dk-tx{display:none}
  .dk-wnav .dk-ic{display:block}
  .dk-wcard > .dk-wnav{position:fixed;z-index:30;left:10px;right:10px;bottom:calc(84px + env(safe-area-inset-bottom,0px));border-radius:20px;width:auto;max-width:none;margin:0;box-sizing:border-box;
    display:grid;grid-template-columns:1fr auto 1.35fr 1fr 1fr 1fr;align-items:center;gap:6px;
    padding:8px;font-size:18px;
    background:rgba(248,246,241,.97);border:1px solid rgba(11,110,95,.16);box-shadow:0 10px 30px rgba(11,48,42,.16)}
  .dk-wcard > .dk-wnav > button,.dk-wcard > .dk-wnav .dk-know{width:100%;padding:.6em 0;font-size:18px;border-radius:12px}
  .dk-wcard > .dk-wnav > span{font-size:13px;padding:0 2px;white-space:nowrap}
  .dk-wnav > button[data-d="1"]{background:#E2603C;border-color:#E2603C;color:#fff}
  .dk-wnav .dk-quizb{color:#E2603C}
  .dk-stage:has(> .dk-wcard){padding-bottom:calc(180px + env(safe-area-inset-bottom,0px))}
}
/* ☰ (2026-10-21): ~1160–1200px da ✕ yangi qatorga tushardi — qadam nomi o'z kengligida */
@media (max-width:1240px){ .dk-cstep .dk-cn{min-width:0} .dk-cstep .dk-cn small{display:none} }
.dk-cstep .dk-menu{padding-left:.5em;padding-right:.5em}