/* Солонгос хэл 1A–6B */
:root{
  --pri:#3557d6;--pri2:#2643b0;--pri-soft:#e8edfd;--red:#e8424f;--ok:#1fa971;--ok-soft:#e3f6ee;--bad:#e5484d;--bad-soft:#fde9ea;--warn:#e79b16;--warn-soft:#fff3dc;
  --bg:#f4f6fb;--card:#fff;--ink:#18203a;--mut:#69718a;--line:#e3e7f0;--shadow:0 1px 2px rgba(20,30,60,.05),0 6px 22px rgba(20,30,60,.06);
  --r:16px;--fs:16px;--ko:"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR","Noto Sans CJK KR",sans-serif;
}
[data-theme=dark]{--bg:#0f1424;--card:#171e33;--ink:#e8ebf5;--mut:#98a0b8;--line:#28314b;--pri-soft:#1f2a52;--ok-soft:#123326;--bad-soft:#3a1719;--warn-soft:#3a2c10;--shadow:0 1px 2px rgba(0,0,0,.3)}
[data-fs=s]{--fs:14.5px}[data-fs=l]{--fs:18px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:400 var(--fs)/1.5 system-ui,-apple-system,"Segoe UI",Roboto,var(--ko);background:var(--bg);color:var(--ink);-webkit-tap-highlight-color:transparent}
a{color:var(--pri);text-decoration:none}
h1{font-size:1.55em;margin:.2em 0 .4em;letter-spacing:-.01em}h2{font-size:1.25em;margin:.4em 0}h3{font-size:1.05em;margin:0 0 .6em}h4{margin:.2em 0 .5em}
.ko{font-family:var(--ko)}.mn{color:var(--mut)}
.mut{color:var(--mut)}.small{font-size:.88em}.tiny{font-size:.76em}.center{text-align:center}.grow{flex:1;min-width:0}.mt{margin-top:12px}.hidden{display:none!important}
.row{display:flex;align-items:center}.row.between{justify-content:space-between}.row.center{justify-content:center}.row.end{justify-content:flex-end}.gap{gap:10px}.wrap{flex-wrap:wrap}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
@media(max-width:600px){.grid3{grid-template-columns:1fr 1fr}}

/* Layout */
.layout{display:flex;min-height:100vh}
.nav{position:fixed;left:0;top:0;bottom:0;width:230px;background:var(--card);border-right:1px solid var(--line);padding:18px 12px;display:flex;flex-direction:column;gap:4px;z-index:20}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);padding:4px 10px 18px;font-size:1.1em}
.logo{width:36px;height:36px;border-radius:11px;background:var(--pri);color:#fff;display:grid;place-items:center;font-family:var(--ko);font-weight:900;font-size:1.15em;flex:none}
.nav-i{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;color:var(--ink);font-weight:600}
.nav-i:hover{background:var(--bg)}.nav-i.on{background:var(--pri-soft);color:var(--pri)}.ni{font-size:1.25em;width:26px;text-align:center}
.main{flex:1;margin-left:230px;min-width:0}
.top{position:sticky;top:0;z-index:15;display:flex;align-items:center;gap:10px;padding:10px 20px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid transparent}
.top-t{flex:1;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-stats{display:flex;gap:6px}.brand.m{display:none;padding:0}
.chip{display:inline-flex;align-items:center;gap:4px;padding:5px 10px;border-radius:99px;background:var(--card);border:1px solid var(--line);font-weight:700;font-size:.85em;color:var(--ink)}
.chip.fire{color:#e26a12}.chip.dim{opacity:.5}.chip.xp{color:#c58a00}
.content{max-width:980px;margin:0 auto;padding:16px 20px 100px}.content.narrow{max-width:720px}.layout.full .content{max-width:1200px}
@media(max-width:860px){
  .nav{top:auto;width:auto;right:0;flex-direction:row;padding:6px 4px calc(6px + env(safe-area-inset-bottom));border-right:0;border-top:1px solid var(--line);justify-content:space-around}
  .nav .brand{display:none}.nav-i{flex-direction:column;gap:0;padding:6px 4px;font-size:.7em;flex:1;text-align:center}.ni{font-size:1.5em;width:auto}
  .main{margin-left:0}.brand.m{display:flex}.top{padding:8px 12px}.content{padding:12px 14px 110px}
}

/* Cards, buttons, inputs */
.card{background:var(--card);border-radius:var(--r);padding:18px;box-shadow:var(--shadow);margin-bottom:14px;border:1px solid var(--line)}
.card.inner{box-shadow:none;background:var(--bg)}
.card.empty{text-align:center;padding:40px 20px}.big{font-size:3em;line-height:1.2}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 18px;border-radius:12px;border:0;background:var(--pri);color:#fff;font:inherit;font-weight:700;cursor:pointer;box-shadow:0 3px 0 var(--pri2);transition:transform .06s,filter .15s;text-align:center}
.btn:hover{filter:brightness(1.06)}.btn:active{transform:translateY(2px);box-shadow:0 1px 0 var(--pri2)}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:var(--card);color:var(--ink);border:1.5px solid var(--line);box-shadow:0 2px 0 var(--line)}
.btn.white{background:#fff;color:var(--pri);box-shadow:none}.btn.warn{background:var(--bad);box-shadow:0 3px 0 #a92a2f}
.btn.okb{background:var(--ok);box-shadow:0 3px 0 #13784f}.btn.badb{background:var(--bad);box-shadow:0 3px 0 #a92a2f}
.btn.sm{padding:7px 12px;font-size:.88em}.btn.big{padding:15px 20px;font-size:1.05em}.btn.block{display:flex;width:100%}
.link{background:none;border:0;color:var(--pri);font:inherit;cursor:pointer;padding:0;font-weight:600}
.icon-btn{background:none;border:0;font-size:1.25em;cursor:pointer;color:var(--ink);width:38px;height:38px;border-radius:10px;display:grid;place-items:center;flex:none}.icon-btn:hover{background:var(--line)}
.inp{width:100%;padding:12px 13px;border:1.5px solid var(--line);border-radius:12px;font:inherit;background:var(--card);color:var(--ink);margin:4px 0}
.inp:focus{outline:none;border-color:var(--pri);box-shadow:0 0 0 3px var(--pri-soft)}
.inp.sel{width:auto}textarea.inp{resize:vertical;font-family:var(--ko)}
.lbl{display:block;font-weight:600;font-size:.9em;margin-top:10px}.hint{font-size:.82em;color:var(--mut);margin:4px 0}
.toggle{display:flex;align-items:center;gap:8px;cursor:pointer;margin:6px 0;font-weight:500}.toggle input{width:20px;height:20px;accent-color:var(--pri)}
.err-msg{color:var(--bad);font-weight:600;min-height:1.2em;margin:6px 0}
.badge{display:inline-block;padding:2px 8px;border-radius:99px;font-size:.74em;font-weight:700;background:var(--line);color:var(--mut);margin-left:6px;vertical-align:middle;white-space:nowrap}
.badge.ok{background:var(--ok-soft);color:var(--ok)}.badge.warn{background:var(--warn-soft);color:var(--warn)}.badge.free{background:#fff0d6;color:#b86e00}.badge.blue{background:var(--pri-soft);color:var(--pri)}.badge.bad{background:var(--bad-soft);color:var(--bad)}
.bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden;margin:8px 0}.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--ok),#3cc98f);border-radius:99px;transition:width .4s}.bar.thin{height:5px;margin:6px 0 0}
.note{background:var(--warn-soft);border-radius:12px;padding:12px 14px;margin:10px 0;font-size:.92em}
.note-card{display:flex;align-items:center;gap:12px;background:var(--pri-soft);border-color:transparent}.ok-card{display:flex;gap:14px;align-items:center;background:var(--ok-soft)}.err-card{background:var(--bad-soft)}
.tabs{display:flex;gap:6px;margin:6px 0 14px;flex-wrap:wrap}.tabs.scroll{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.tab{padding:8px 14px;border-radius:99px;background:var(--card);border:1px solid var(--line);color:var(--ink);font-weight:600;white-space:nowrap;font-size:.92em}.tab.on{background:var(--ink);color:var(--card);border-color:var(--ink)}
.chip-btn{padding:8px 13px;border-radius:12px;border:1.5px solid var(--line);background:var(--card);color:var(--ink);font:inherit;font-family:var(--ko);font-weight:600;cursor:pointer;box-shadow:0 2px 0 var(--line)}
.chip-btn:active{transform:translateY(2px);box-shadow:none}.chip-btn.locked{opacity:.55}
.spinner{width:34px;height:34px;border:4px solid var(--line);border-top-color:var(--pri);border-radius:50%;animation:spin .8s linear infinite}.spinner.sm{width:20px;height:20px;border-width:3px}
.loading{display:grid;place-items:center;padding:60px}@keyframes spin{to{transform:rotate(360deg)}}
.splash{display:grid;place-items:center;min-height:100vh}
.logo-big{width:84px;height:84px;border-radius:24px;background:var(--pri);color:#fff;display:grid;place-items:center;font:900 2.6em var(--ko);box-shadow:0 10px 30px rgba(53,87,214,.35)}
.hp{position:absolute;left:-9999px;width:1px;height:1px}
.sec-h{margin:22px 0 10px}

/* Auth */
.auth{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:40px;max-width:1000px;margin:0 auto;padding:30px 20px}
.auth-art h1{font-size:2.2em;margin:16px 0 4px}.auth-feat{list-style:none;padding:0;margin:20px 0}.auth-feat li{padding:7px 0;font-weight:500}
.auth-card{padding:28px}.auth-card h2{margin-top:0}.auth-switch{text-align:center;margin-top:14px}.big-inp{font-size:1.6em;letter-spacing:.3em}
@media(max-width:760px){.auth{grid-template-columns:1fr;gap:10px;padding-top:24px}.auth-art{text-align:center}.auth-art .logo-big{margin:0 auto}.auth-feat{display:none}}

/* Home */
.greet{display:flex;justify-content:space-between;align-items:center;gap:12px}
.ring{position:relative;width:88px;height:88px;flex:none}.ring-t{position:absolute;inset:0;display:grid;place-content:center;text-align:center;line-height:1.1}.ring-t b{font-size:.95em}.ring-t small{font-size:.62em;color:var(--mut)}
.hero{display:flex;gap:16px;align-items:center;background:linear-gradient(135deg,var(--lc,var(--pri)),color-mix(in srgb,var(--lc,var(--pri)) 60%,#000));color:#fff;border:0}
.hero h2{margin:4px 0}.hero .mut{color:rgba(255,255,255,.85)}.hero .bar{background:rgba(255,255,255,.25)}.hero .bar i{background:#fff}.hero-l{flex:1}.hero small{opacity:.85;font-weight:600;text-transform:uppercase;letter-spacing:.06em;font-size:.72em}
.book-cover{width:56px;height:74px;border-radius:8px 12px 12px 8px;background:var(--lc,var(--pri));color:#fff;display:grid;place-content:center;text-align:center;box-shadow:inset 6px 0 0 rgba(0,0,0,.15),0 4px 10px rgba(0,0,0,.12);flex:none}
.book-cover b{font-size:1.25em}.book-cover small{font-size:.5em;opacity:.85;font-family:var(--ko)}.book-cover.big{width:84px;height:112px}.book-cover.big b{font-size:1.8em}
.hero .book-cover{background:rgba(255,255,255,.18)}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:6px}
.q-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 6px;text-align:center;color:var(--ink);font-weight:600;font-size:.85em;box-shadow:var(--shadow)}.q-item span{display:block;font-size:1.6em}
.level{margin-bottom:18px}.level-h{display:flex;align-items:center;gap:10px;margin-bottom:8px}.level-h h3{margin:0}
.lv-dot{width:28px;height:28px;border-radius:9px;color:#fff;display:grid;place-items:center;font-weight:800}
.book-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.book-card{display:flex;gap:14px;align-items:center;color:var(--ink);margin:0;transition:transform .12s}.book-card:hover{transform:translateY(-2px)}
.book-card.locked .book-cover{filter:saturate(.5)}
.book-info{flex:1;min-width:0}
@media(max-width:600px){.book-grid{grid-template-columns:1fr}.quick{grid-template-columns:repeat(4,1fr);gap:6px}.q-item{font-size:.72em;padding:10px 2px}}
.book-head{display:flex;gap:18px;align-items:center}.book-head h1{margin:0}
.acc{margin:8px 0;font-weight:600;font-size:.92em}.acc.ok{color:var(--ok)}.acc.lock{color:var(--mut)}
.lesson-list{display:flex;flex-direction:column;gap:10px}
.lesson-row{display:flex;align-items:center;gap:14px;color:var(--ink);margin:0;padding:14px 16px}.lesson-row.locked{opacity:.7}
.l-no{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:1.1em;flex:none;background:conic-gradient(var(--ok) calc(var(--p)*1%),var(--line) 0);position:relative}
.l-no::before{content:"";position:absolute;inset:4px;border-radius:50%;background:var(--card)}.l-no{isolation:isolate}.l-no::before{z-index:-1}
.l-ko{font-family:var(--ko);font-weight:700}.l-st{font-weight:700;color:var(--mut)}
.page-jumps{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.track-grid{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}

/* Plans */
.plans{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.plan{position:relative;display:flex;flex-direction:column;gap:6px;margin:0}.plan.best{border:2px solid var(--pri)}
.plan .price{font-size:1.5em;font-weight:800;margin:4px 0 8px}.plan .price small{font-size:.5em;color:var(--mut);font-weight:600}.plan .btn{margin-top:auto}
.ribbon{position:absolute;top:-10px;right:12px;background:var(--red);color:#fff;font-size:.72em;font-weight:800;padding:3px 9px;border-radius:99px}
.ent-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.ent{background:var(--ok-soft);border-radius:12px;padding:12px;color:var(--ink);display:flex;flex-direction:column}.ent b{font-size:1.3em}.ent.warn{background:var(--warn-soft)}.ent span{font-weight:700;color:var(--ok)}

/* Modal, toast */
.modal-wrap{position:fixed;inset:0;background:rgba(10,15,30,.5);display:grid;place-items:center;z-index:100;padding:16px;animation:fade .15s}
.modal-wrap.out{opacity:0;transition:opacity .18s}
.modal{background:var(--card);border-radius:20px;width:100%;max-width:480px;max-height:92vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3);animation:pop .18s}
.modal.wide{max-width:860px}.modal-h{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 6px}.modal-h h3{margin:0}
.modal-b{padding:6px 18px 18px;overflow:auto}
@media(max-width:600px){.modal-wrap{place-items:end center;padding:0}.modal{border-radius:20px 20px 0 0;max-height:94vh}}
@keyframes fade{from{opacity:0}}@keyframes pop{from{transform:scale(.96);opacity:0}}
#toasts{position:fixed;left:50%;top:14px;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:var(--ink);color:var(--card);padding:10px 16px;border-radius:12px;font-weight:600;box-shadow:0 8px 24px rgba(0,0,0,.2);animation:pop .2s;max-width:90vw}
.toast.ok{background:var(--ok);color:#fff}.toast.bad{background:var(--bad);color:#fff}.toast.out{opacity:0;transform:translateY(-8px);transition:.4s}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:300}
body.offline::before{content:"📴 Оффлайн горим";position:fixed;bottom:76px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--card);padding:6px 14px;border-radius:99px;font-size:.8em;z-index:50}

/* Lesson */
.lesson-head{display:flex;gap:16px;align-items:flex-start}
.l-badge{background:var(--pri);color:#fff;font:800 1.1em var(--ko);padding:12px 14px;border-radius:14px;flex:none}
.goals{margin:8px 0;padding-left:20px}.goals li{margin:3px 0}
.media-btns{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.m-btn{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 8px;display:flex;flex-direction:column;align-items:center;gap:2px;font:inherit;font-weight:700;color:var(--ink);cursor:pointer;box-shadow:var(--shadow)}
.m-btn span{font-size:1.5em}.m-btn small{color:var(--mut);font-weight:500;font-size:.75em}
.sec-path{display:flex;flex-direction:column;gap:10px}
.sec-node{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px 16px;color:var(--ink);box-shadow:var(--shadow);animation:slide .3s both;animation-delay:calc(var(--i)*25ms)}
.sec-node:hover{border-color:var(--pri)}@keyframes slide{from{opacity:0;transform:translateY(6px)}}
.sec-ic{width:44px;height:44px;border-radius:14px;background:var(--pri-soft);display:grid;place-items:center;font-size:1.35em;flex:none;font-family:var(--ko);font-weight:800}
.sec-ic.big{width:54px;height:54px;font-size:1.7em}
.sec-node.done .sec-ic{background:var(--ok-soft)}.sec-node.weak .sec-ic{background:var(--warn-soft)}
.sec-t{flex:1;display:flex;flex-direction:column}.sec-t small{color:var(--mut)}.sec-st{font-weight:800;color:var(--mut)}
.sec-head{display:flex;gap:14px;align-items:center;margin-bottom:12px}.sec-head h1{margin:0;font-family:var(--ko)}
.sec-nav{display:flex;justify-content:space-between;margin-top:20px}
.prose{white-space:pre-line;line-height:1.65}
.ko-line{display:flex;align-items:center;gap:8px;padding:9px 0;border-bottom:1px dashed var(--line)}.ko-line:last-child{border:0}.ko-line .ko{font-size:1.08em;font-weight:600}
.say{background:var(--pri-soft);border:0;border-radius:10px;width:36px;height:36px;cursor:pointer;flex:none;font-size:1em}
.word-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.word{background:var(--bg);border-radius:12px;padding:12px;cursor:pointer;border:1.5px solid transparent;transition:.12s}.word:hover{border-color:var(--pri)}
.w-ko{font:700 1.2em var(--ko)}.w-mn{color:var(--mut);font-size:.9em}.w-ex{font:.8em var(--ko);color:var(--mut);margin-top:4px}
.gram .pattern,.pattern{font:800 1.5em var(--ko);color:var(--pri);margin-bottom:6px}
.meaning{font-weight:700;margin-bottom:10px}
.forms{width:100%;border-collapse:collapse;margin:10px 0}.forms td{padding:8px;border-bottom:1px solid var(--line)}.forms td:first-child{color:var(--mut);font-size:.9em}
.dialog .dl{display:flex;gap:8px;align-items:flex-end;margin:10px 0}.dialog .dl.b{flex-direction:row-reverse}
.dialog .sp{font-size:.75em;color:var(--mut);width:52px;flex:none;text-align:center;font-family:var(--ko)}
.bub{background:var(--bg);padding:10px 14px;border-radius:16px 16px 16px 4px;max-width:75%}.dl.b .bub{background:var(--pri-soft);border-radius:16px 16px 4px 16px}
.bub .ko{font-size:1.05em}.bub .mn{font-size:.85em}.hide-mn .mn{display:none}
.passage p{line-height:1.9}.passage .mn{display:block;font-size:.88em;margin-top:2px}.passage.hide-mn .mn{display:none}
.culture{border-left:4px solid var(--red)}
.steps li{margin:6px 0}
.jamo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(76px,1fr));gap:8px}
.jamo{background:var(--bg);border:1.5px solid var(--line);border-radius:12px;padding:10px 4px;cursor:pointer;display:flex;flex-direction:column;align-items:center;font:inherit;color:var(--ink)}.jamo b{font:800 1.7em var(--ko)}
.tracks{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.tp{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:8px 12px;box-shadow:var(--shadow)}
.tp.playing{border-color:var(--pri)}
.tp-btn{width:42px;height:42px;border-radius:50%;border:0;background:var(--pri);color:#fff;font-size:1em;cursor:pointer;flex:none}
.tp-mid{flex:1;min-width:0}.tp-label{font-size:.82em;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tp-track{height:6px;background:var(--line);border-radius:99px;margin:5px 0;cursor:pointer}.tp-fill{height:100%;background:var(--pri);border-radius:99px;width:0}
.tp-time{font-size:.72em;color:var(--mut)}.tp-rate{border:0;background:var(--bg);border-radius:8px;padding:6px 8px;font:inherit;font-size:.78em;font-weight:700;cursor:pointer;color:var(--ink)}
.tp-host{margin-top:8px}

/* Exercises */
.ex-card{padding:16px}
.ex-prog{height:12px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:16px}.ex-prog i{display:block;height:100%;width:0;background:linear-gradient(90deg,#3cc98f,var(--ok));transition:width .35s;border-radius:99px}
.ex-item{animation:slide .25s}
.ex-i{font-size:.85em;font-weight:700;color:var(--pri);margin-bottom:6px}
.ex-q{font:600 1.2em var(--ko);margin-bottom:14px;line-height:1.55}.ex-q .mut{font-family:system-ui;font-weight:500}
.blank{display:inline-block;min-width:52px;border-bottom:3px solid var(--pri);text-align:center;color:var(--pri);margin:0 3px}
.ex-media{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.opts{display:flex;flex-direction:column;gap:10px}.opts.grid2{display:grid;grid-template-columns:1fr 1fr}
.opt{display:flex;align-items:center;gap:10px;text-align:left;padding:14px;border:2px solid var(--line);border-radius:14px;background:var(--card);color:var(--ink);font:500 1.02em var(--ko);cursor:pointer;box-shadow:0 3px 0 var(--line);transition:.1s}
.opt:hover{border-color:#b7c3ec}.opt:active{transform:translateY(2px);box-shadow:none}.opt.big{justify-content:center;font-size:1.15em;padding:20px}
.opt .kbd{width:24px;height:24px;border-radius:7px;border:1.5px solid var(--line);display:grid;place-items:center;font-size:.72em;color:var(--mut);flex:none;font-family:system-ui}
.opt.right{border-color:var(--ok);background:var(--ok-soft);box-shadow:0 3px 0 var(--ok)}.opt.wrong{border-color:var(--bad);background:var(--bad-soft);box-shadow:0 3px 0 var(--bad)}
.opt.sel{border-color:var(--pri);background:var(--pri-soft)}.opt.m{justify-content:center;text-align:center;margin-bottom:8px;width:100%}
.answered .opt:not(.right):not(.wrong){opacity:.55}
.match{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.shake{animation:shake .35s}@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.inp.right{border-color:var(--ok);background:var(--ok-soft)}.inp.wrong{border-color:var(--bad);background:var(--bad-soft)}.ko-inp{font-family:var(--ko);font-size:1.1em}
.bank{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0;min-height:44px}
.order-line{min-height:58px;border-bottom:2px solid var(--line);display:flex;flex-wrap:wrap;gap:8px;padding:8px 0;margin-bottom:6px}
.order-line.empty::after{content:"Доорх үгсийг дарж өгүүлбэр бүтээнэ үү";color:var(--mut);font-size:.88em;align-self:center}
.order-line.right{border-color:var(--ok)}.order-line.wrong{border-color:var(--bad)}
.big-ko{font:800 1.9em var(--ko);text-align:center;margin:8px 0}.big-mn{font-size:1.5em;font-weight:700;text-align:center}
.speak-res{text-align:center;margin:10px 0;min-height:1.4em}.btn.mic.rec{background:var(--red);animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.7}}
.model{background:var(--ok-soft);border-radius:12px;padding:12px;margin:10px 0}
.fb-host{position:sticky;bottom:0}
.fb{display:flex;align-items:center;gap:12px;justify-content:space-between;margin:16px -16px -16px;padding:16px;border-radius:0 0 var(--r) var(--r);animation:up .2s}
.fb.ok{background:var(--ok-soft);color:#11633a}.fb.bad{background:var(--bad-soft);color:#9b2226}[data-theme=dark] .fb.ok{color:#7fe0b0}[data-theme=dark] .fb.bad{color:#ffaaa8}
.fb-t{flex:1}.fb .ko{font-weight:700}@keyframes up{from{transform:translateY(10px);opacity:0}}
@media(max-width:860px){.fb-host{bottom:70px}}
.ex-done{text-align:center;padding:10px}.ex-done .score{font-size:2em;font-weight:800;margin:6px 0}.ex-done .score small{font-size:.5em;color:var(--mut)}
.ex-done .row{margin-top:16px}
.set-h{margin:16px 0 8px}
.fc{height:260px;perspective:900px;cursor:pointer;position:relative;margin-bottom:10px}
.fc>div{position:absolute;inset:0;backface-visibility:hidden;border-radius:18px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;transition:transform .45s;background:var(--bg);border:2px solid var(--line);padding:16px;text-align:center}
.fc .fc-back{transform:rotateY(180deg);background:var(--pri-soft)}.fc.flip .fc-front{transform:rotateY(180deg)}.fc.flip .fc-back{transform:rotateY(360deg)}

/* Page viewer */
.pv-stage{position:relative;overflow:hidden;background:#fff;border-radius:10px;min-height:300px;display:flex;justify-content:center;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.pv-img{max-width:100%;max-height:72vh;object-fit:contain;pointer-events:none;transition:opacity .15s}
.pv-stage.ld .pv-img{opacity:.35}.pv-stage.zoom{overflow:auto;max-height:76vh;display:block}.pv-stage.zoom .pv-img{max-width:none;max-height:none;width:180%}
.pv-wm{position:absolute;inset:0;display:flex;flex-wrap:wrap;align-content:space-around;justify-content:space-around;pointer-events:none;transform:rotate(-24deg) scale(1.3);opacity:.09;color:#000;font-size:13px;font-weight:700;gap:40px}
.pv-bar{display:flex;justify-content:space-between;align-items:center;margin-top:10px}.pv-cnt{font-weight:700}

/* Review, dict, board */
.rv-card{display:flex;align-items:center;gap:14px;color:var(--ink)}.rv-ic{font-size:2em}
.srs-card{text-align:center;padding:30px;cursor:pointer;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}
.srs-back{border-top:1px dashed var(--line);padding-top:12px;width:100%}
.quick-top{margin-bottom:10px}.quick-timer{font-size:2.2em;font-weight:900;color:var(--pri)}.quick-timer.low{color:var(--bad)}.quick-score{font-size:2.2em;font-weight:900;color:var(--ok)}
.dict{background:var(--card);border-radius:var(--r);border:1px solid var(--line);margin-top:10px;padding:6px 14px}
.dict-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);cursor:pointer}.dict-row .ko{font-weight:700;font-size:1.08em}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-bottom:14px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow);color:var(--ink);display:flex;flex-direction:column}.stat b{font-size:1.4em}.stat small{color:var(--mut)}
.chart{display:flex;align-items:flex-end;gap:3px;height:130px;margin:10px 0}
.chart .col{flex:1;height:100%;display:flex;align-items:flex-end}.chart .col i{display:block;width:100%;background:var(--pri);border-radius:4px 4px 0 0;min-height:3px}.chart .col.zero i{background:var(--line)}
.skill{display:grid;grid-template-columns:130px 1fr 48px;align-items:center;gap:10px;color:var(--ink);font-size:.92em}.skill b{text-align:right}
.wr{border-top:1px solid var(--line);padding:10px 0}.wr summary{cursor:pointer;font-weight:600}
.privacy-card{display:flex;align-items:center;gap:12px}
.my-rank{background:var(--pri-soft);border-radius:12px;padding:10px 14px;margin-bottom:12px;font-weight:600}
.board{padding:6px}.b-row{display:flex;align-items:center;gap:12px;padding:10px;border-radius:12px}.b-row.me{background:var(--pri-soft)}
.b-rank{width:30px;text-align:center;font-weight:800;color:var(--mut)}.b-row.top .b-rank{font-size:1.4em}
.b-av{width:36px;height:36px;border-radius:50%;background:var(--pri);color:#fff;display:grid;place-items:center;font-weight:800;flex:none}.b-av.anon{background:var(--mut)}
.b-name{font-weight:600}.b-xp{color:#c58a00}
.profile{display:flex;align-items:center;gap:14px}.avatar{width:54px;height:54px;border-radius:16px;background:var(--pri);color:#fff;display:grid;place-items:center;font-size:1.5em;font-weight:900}
.card.focus{outline:3px solid var(--pri)}
.dev{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
details summary{cursor:pointer}

/* Admin */
.tbl-wrap{overflow-x:auto;background:var(--card);border-radius:12px;border:1px solid var(--line)}
.tbl{width:100%;border-collapse:collapse;font-size:.9em}.tbl th{text-align:left;padding:10px;background:var(--bg);font-size:.82em;color:var(--mut);white-space:nowrap}.tbl td{padding:10px;border-top:1px solid var(--line);vertical-align:top}
.tbl tr.dim{opacity:.5}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.settings-grid .card{margin:0}
@media(max-width:900px){.settings-grid{grid-template-columns:1fr}}
code{background:var(--bg);padding:2px 6px;border-radius:6px;font-size:.88em;word-break:break-all}.secret{display:block;font-size:1.1em;padding:8px;margin:6px 0}
.wr-body{background:var(--bg);padding:10px;border-radius:10px;margin:8px 0}
.fld{margin-bottom:4px}
@media print{.nav,.top{display:none}.main{margin:0}}

@media(max-width:600px){.hero-r{display:none}.book-head{gap:12px}.book-head .book-cover.big{width:60px;height:80px}.book-head .book-cover.big b{font-size:1.3em}.book-head h1{font-size:1.25em}.greet h1{font-size:1.3em}}
.book-cover{overflow:hidden;padding:4px}.book-cover small{display:block;line-height:1.15;word-break:keep-all}