/* ===== OctoLearn — далайн гүн, наймалжны ягаан ===== */
:root{
  --ink:#0E2A47; --ink-2:#3B5570; --muted:#6B8299;
  --foam:#EAF4F3; --paper:#FFFFFF; --line:#D5E6E4;
  --octo:#F0567A; --octo-d:#C73A5E;
  --sea:#14A39A;  --sea-d:#0D7C75;
  --sun:#FFC940;  --sun-d:#D9A21E;
  --red:#E5484D;  --green:#2FB36B;
  --en:#2F6FE0; --zh:#E0452F; --ko:#7A4DE0;
  --r-lg:22px; --r:14px; --r-sm:10px;
  --font:'Nunito', 'Segoe UI', system-ui, -apple-system, 'Noto Sans', Arial, sans-serif;
  --cjk:'Noto Sans CJK SC','Noto Sans KR','Microsoft YaHei','Malgun Gothic','PingFang SC',sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--foam);line-height:1.55;font-size:16px;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--sea-d)}
h1,h2,h3{line-height:1.2;margin:0 0 .4em;font-weight:900;letter-spacing:-.01em}
h1{font-size:clamp(1.6rem,3.5vw,2.2rem)} h2{font-size:1.25rem} h3{font-size:1.1rem}
p{margin:0 0 .8em}
code{background:#E3EFEE;padding:.1em .4em;border-radius:6px;font-size:.9em}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}
.main{flex:1;padding-top:28px;padding-bottom:60px}
.muted{color:var(--muted)} .small{font-size:.86rem} .center{text-align:center}
:focus-visible{outline:3px solid var(--sun);outline-offset:2px}

/* ---- Topbar ---- */
.topbar{background:var(--ink);color:#fff;position:sticky;top:0;z-index:50}
.topbar-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-size:1.35rem;font-weight:800}
.brand b{color:var(--octo);font-weight:900}
.brand-icon{font-size:1.7rem;display:inline-block;transform:rotate(-8deg)}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav a{color:#CFE0EE;text-decoration:none;font-weight:700;padding:8px 12px;border-radius:999px}
.nav a:hover,.nav a.active{color:#fff;background:rgba(255,255,255,.1)}
.nav a.btn{color:#fff}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer}
.chip{display:inline-flex;align-items:center;gap:4px;font-weight:800;padding:5px 11px;border-radius:999px;font-size:.9rem}
.chip-streak{background:rgba(255,140,50,.18);color:#FFB27A}
.chip-xp{background:rgba(255,201,64,.18);color:var(--sun)}
.nav-user{display:flex!important;align-items:center;gap:8px}
.avatar{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--octo);color:#fff;font-weight:900;font-size:.9rem;flex-shrink:0}
.avatar.xl{width:72px;height:72px;font-size:2rem}
.adminbar{background:#163B5F}
.adminbar .container{display:flex;gap:4px;overflow-x:auto}
.adminbar a{color:#CFE0EE;text-decoration:none;font-weight:700;padding:10px 14px;white-space:nowrap;border-bottom:3px solid transparent}
.adminbar a.active{color:#fff;border-color:var(--octo)}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-weight:800;cursor:pointer;
  background:var(--octo);color:#fff;border:0;border-radius:var(--r);padding:11px 20px;text-decoration:none;
  box-shadow:0 4px 0 var(--octo-d);transition:transform .08s, box-shadow .08s;white-space:nowrap}
.btn:hover{filter:brightness(1.05)}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--octo-d)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-sm{padding:7px 14px;font-size:.9rem;border-radius:var(--r-sm);box-shadow:0 3px 0 var(--octo-d)}
.btn-lg{padding:15px 28px;font-size:1.1rem}
.btn-block{width:100%}
.btn-ghost{background:var(--paper);color:var(--ink);box-shadow:0 3px 0 var(--line);border:2px solid var(--line)}
.btn-ghost:active{box-shadow:0 0 0 var(--line)}
.btn-sea{background:var(--sea);box-shadow:0 3px 0 var(--sea-d)}
.btn-light{background:#fff;color:var(--ink);box-shadow:0 4px 0 rgba(0,0,0,.18)}
.btn-danger{background:#fff;color:var(--red);border:2px solid #F6C9CB;box-shadow:0 3px 0 #F6C9CB}

/* ---- Alerts / tags ---- */
.alert{padding:12px 16px;border-radius:var(--r);margin-bottom:14px;font-weight:700;border:2px solid}
.alert-success{background:#E4F7EC;border-color:#B6E6C9;color:#1B7A45}
.alert-error{background:#FDECEC;border-color:#F6C9CB;color:#B0262B}
.alert-info{background:#E6F0FC;border-color:#C3D8F5;color:#1F4E8C}
.tag{display:inline-block;background:#E0ECEB;color:var(--ink-2);font-weight:800;font-size:.78rem;padding:3px 9px;border-radius:999px}
.tag.ok{background:#DFF5E8;color:#1B7A45}
.score-pill{display:inline-block;background:#FFF3CF;color:#8A6300;font-weight:800;font-size:.8rem;padding:3px 9px;border-radius:999px}
.back{display:inline-block;font-weight:800;text-decoration:none;color:var(--ink-2);margin-bottom:12px}

/* ---- Hero ---- */
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;padding:24px 0 40px}
.hero h1{font-size:clamp(2.2rem,6vw,4rem);line-height:1.02;letter-spacing:-.03em}
.hero p{font-size:1.15rem;color:var(--ink-2);max-width:34em}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.hero-art{position:relative;height:340px}
.octo{position:absolute;left:50%;top:55%;transform:translate(-50%,-50%);font-size:9rem;filter:drop-shadow(0 16px 0 rgba(14,42,71,.08))}
.bubble{position:absolute;background:#fff;border:3px solid var(--ink);border-radius:20px;padding:10px 18px;font-weight:900;font-size:1.3rem;box-shadow:0 5px 0 var(--ink)}
.bubble::after{content:"";position:absolute;bottom:-12px;left:26px;width:16px;height:16px;background:#fff;border-right:3px solid var(--ink);border-bottom:3px solid var(--ink);transform:rotate(45deg)}
.bubble.b1{left:0;top:18px;color:var(--en)}
.bubble.b2{right:4%;top:0;color:var(--zh);font-family:var(--cjk)}
.bubble.b3{right:0;bottom:30px;color:var(--ko);font-family:var(--cjk)}
@media (prefers-reduced-motion:no-preference){
  .octo{animation:bob 4s ease-in-out infinite}
  @keyframes bob{50%{transform:translate(-50%,-56%) rotate(4deg)}}
}
.how{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.how-step{background:var(--paper);border-radius:var(--r-lg);padding:20px;border:2px solid var(--line)}
.how-step span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;font-weight:900;margin-bottom:10px}
.how-step p{color:var(--ink-2);margin:0;font-size:.95rem}

/* ---- Dashboard ---- */
.dash{margin-bottom:12px}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:18px 0 24px}
.stat{background:var(--paper);border:2px solid var(--line);border-radius:var(--r-lg);padding:16px 18px;display:flex;flex-direction:column}
.stat b{font-size:1.9rem;font-weight:900;line-height:1.1}
.stat small{color:var(--muted);font-weight:700}
.stat-icon{font-size:1.4rem}
.stat .meter{margin-top:8px}
.meter{height:10px;background:#DCEAE8;border-radius:999px;overflow:hidden;flex:1}
.meter>div{height:100%;background:var(--sea);border-radius:999px;min-width:0;transition:width .5s}
.section-title{margin-top:10px}

/* ---- Language cards ---- */
.lang-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.lang-card{--c:var(--sea);display:flex;flex-direction:column;background:var(--paper);border-radius:var(--r-lg);padding:22px;text-decoration:none;color:var(--ink);
  border:2px solid var(--line);box-shadow:0 6px 0 var(--line);transition:transform .12s}
.lang-card:hover{transform:translateY(-3px)}
.lang-en{--c:var(--en)} .lang-zh{--c:var(--zh)} .lang-ko{--c:var(--ko)}
.lang-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.lang-flag{font-size:2.4rem;line-height:1}
.lang-flag.big{font-size:3.4rem}
.lang-native{font-family:var(--cjk);font-weight:900;font-size:1.5rem;color:var(--c)}
.lang-card p{color:var(--ink-2);font-size:.95rem;flex:1}
.lang-foot{display:flex;align-items:center;gap:10px;font-weight:700;font-size:.85rem;color:var(--muted)}
.lang-card .meter>div{background:var(--c)}

/* ---- Language page / path ---- */
.lang-banner{background:var(--c,var(--sea));color:#fff;border-radius:var(--r-lg);padding:20px 24px;margin-bottom:28px}
.lang-banner .back{color:rgba(255,255,255,.85)}
.lang-banner-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.lang-banner-row>div{flex:1;min-width:200px}
.lang-banner h1{margin:0}
.lang-banner h1 small{font-family:var(--cjk);opacity:.8;font-size:.65em;margin-left:6px}
.lang-banner p{margin:0;opacity:.9;font-weight:700}
.path{list-style:none;padding:0;margin:0;position:relative;max-width:720px}
.path::before{content:"";position:absolute;left:31px;top:20px;bottom:20px;width:6px;background:#D2E4E2;border-radius:3px}
.path-node{position:relative;display:flex;gap:18px;margin-bottom:18px}
.node-dot{position:relative;z-index:1;flex-shrink:0;width:68px;height:68px;border-radius:50%;display:grid;place-items:center;
  font-weight:900;font-size:1.4rem;background:#fff;border:4px solid var(--line);color:var(--muted)}
.open .node-dot{background:var(--octo);border-color:var(--octo-d);color:#fff;box-shadow:0 5px 0 var(--octo-d)}
.done .node-dot{background:var(--sea);border-color:var(--sea-d);color:#fff;box-shadow:0 5px 0 var(--sea-d)}
.locked .node-dot{font-size:1.2rem;background:#F1F6F5}
.node-card{flex:1;background:var(--paper);border:2px solid var(--line);border-radius:var(--r-lg);padding:14px 18px}
.locked .node-card{opacity:.7}
.node-top{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:6px;font-size:.85rem;font-weight:700}
.node-card p{color:var(--ink-2);margin-bottom:10px}
.node-actions{display:flex;gap:10px;flex-wrap:wrap}

/* ---- Lesson ---- */
.lesson-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.notes{background:#FFF8E1;border:2px solid #F5E1A4;border-radius:var(--r-lg);padding:16px 20px;margin-bottom:26px}
.notes h2{font-size:1rem;margin-bottom:6px}
.notes p{margin:0;color:#5C4A12}
.flash-wrap{max-width:560px;margin:0 auto 34px}
.flashcard{perspective:1200px;cursor:pointer;height:300px;outline:none}
.fc-inner{position:relative;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}
.flashcard.flipped .fc-inner{transform:rotateY(180deg)}
.fc-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:26px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center}
.fc-front{background:var(--paper);border:3px solid var(--ink);box-shadow:0 8px 0 var(--ink)}
.fc-back{background:var(--ink);color:#fff;transform:rotateY(180deg);box-shadow:0 8px 0 #06182B}
.fc-word{font-family:var(--font),var(--cjk);font-size:clamp(2.2rem,8vw,3.6rem);font-weight:900;line-height:1.1}
.fc-pron{color:var(--sea-d);font-weight:800;font-size:1.2rem;margin-top:8px}
.fc-hint{position:absolute;bottom:16px;color:var(--muted);font-size:.85rem;font-weight:700}
.fc-meaning{font-size:clamp(1.6rem,6vw,2.4rem);font-weight:900;color:var(--sun)}
.fc-example{margin-top:14px;font-size:1.1rem;font-weight:700}
.fc-example-mn{color:#A9C0D4;font-size:.95rem;margin-top:4px}
.fc-controls{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:22px;flex-wrap:wrap}
.fc-count{font-weight:900;color:var(--ink-2);min-width:60px;text-align:center}
@media (prefers-reduced-motion:reduce){.fc-inner{transition:none}}

.speak-btn{background:#E0F3F1;border:0;border-radius:50%;width:38px;height:38px;cursor:pointer;font-size:1.05rem;flex-shrink:0}
.speak-btn:hover{background:#C8EAE6}
.speak-btn.sm{width:28px;height:28px;font-size:.8rem;vertical-align:middle}

/* ---- Tables / panels / forms ---- */
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;background:var(--paper);border-radius:var(--r);overflow:hidden}
.table th{text-align:left;font-size:.82rem;color:var(--muted);font-weight:800;padding:10px 12px;border-bottom:2px solid var(--line)}
.table td{padding:10px 12px;border-bottom:1px solid #E8F1F0;vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.w-word{font-family:var(--font),var(--cjk);font-weight:900;font-size:1.15rem;white-space:nowrap}
.actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.actions form,form.inline{display:inline;margin:0}
.panel{background:var(--paper);border:2px solid var(--line);border-radius:var(--r-lg);padding:20px;margin-bottom:20px}
.panel .table{border-radius:0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.two-col.wide-left{grid-template-columns:1.6fr 1fr}
.form{display:flex;flex-direction:column;gap:12px}
.form label{display:flex;flex-direction:column;gap:5px;font-weight:800;font-size:.9rem}
.form input,.form select,.form textarea,.search input,select{font:inherit;font-weight:600;padding:10px 12px;border:2px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--ink);width:100%}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--sea);outline:none}
.form label.check{flex-direction:row;align-items:center;gap:8px;font-weight:700}
.form label.check input{width:auto}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.page-head{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.tabs a{padding:8px 14px;border-radius:999px;background:var(--paper);border:2px solid var(--line);text-decoration:none;color:var(--ink-2);font-weight:800}
.tabs a.active{background:var(--ink);border-color:var(--ink);color:#fff}
.search{display:flex;gap:8px}

/* ---- Auth ---- */
.auth-body{align-items:center;justify-content:center;padding:30px 16px}
.auth-card{max-width:420px;margin:10px auto;background:var(--paper);border:2px solid var(--line);border-radius:26px;padding:30px;box-shadow:0 8px 0 var(--line)}
.auth-card.wide{max-width:520px}
.auth-card h1{text-align:center}
.auth-logo{text-align:center;font-size:3.2rem;line-height:1}
.auth-alt{text-align:center;margin:16px 0 0;font-weight:700}

/* ---- Quiz ---- */
.quiz{max-width:680px;margin:0 auto}
.quiz-top{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.quiz-close{text-decoration:none;color:var(--muted);font-size:1.5rem;font-weight:900}
.progress{flex:1;height:16px;background:#D6E6E4;border-radius:999px;overflow:hidden}
.progress-bar{height:100%;width:0;background:var(--sea);border-radius:999px;transition:width .35s}
.q-count{font-weight:900;color:var(--ink-2);min-width:44px;text-align:right}
.quiz-title{font-size:1rem;color:var(--muted);margin-bottom:18px}
.q-prompt{text-align:center;margin-bottom:22px}
.q-label{font-weight:800;color:var(--ink-2);margin-bottom:12px;font-size:1.1rem}
.q-word{font-family:var(--font),var(--cjk);font-size:clamp(2.2rem,8vw,3.4rem);font-weight:900;display:flex;align-items:center;justify-content:center;gap:12px}
.q-pron{color:var(--sea-d);font-weight:800}
.q-meaning{font-size:clamp(1.6rem,6vw,2.4rem);font-weight:900;color:var(--octo-d)}
.listen-big{width:110px;height:110px;border-radius:50%;border:0;background:var(--sea);color:#fff;font-size:2.8rem;cursor:pointer;box-shadow:0 6px 0 var(--sea-d)}
.listen-big:active{transform:translateY(4px);box-shadow:0 2px 0 var(--sea-d)}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.opt{display:flex;align-items:center;gap:12px;text-align:left;font:inherit;font-weight:800;font-size:1.1rem;background:var(--paper);color:var(--ink);
  border:2px solid var(--line);border-radius:var(--r);padding:14px 16px;cursor:pointer;box-shadow:0 4px 0 var(--line);min-height:64px}
.opt:hover:not(:disabled){border-color:var(--sea)}
.opt:disabled{cursor:default}
.opt-num{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:8px;border:2px solid var(--line);font-size:.8rem;color:var(--muted);flex-shrink:0}
.opt-text{font-family:var(--font),var(--cjk)}
.opt.correct{background:#E4F7EC;border-color:var(--green);box-shadow:0 4px 0 var(--green)}
.opt.wrong{background:#FDECEC;border-color:var(--red);box-shadow:0 4px 0 var(--red)}
.quiz-feedback{margin-top:22px;border-radius:var(--r-lg);padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-weight:800;font-size:1.05rem}
.quiz-feedback[hidden]{display:none}
.quiz-feedback.ok{background:#E4F7EC;color:#1B7A45}
.quiz-feedback.bad{background:#FDECEC;color:#9E2227}
.quiz-feedback.bad .btn{background:var(--red);box-shadow:0 4px 0 #A92B30}
.quiz-feedback.ok .btn{background:var(--green);box-shadow:0 4px 0 #1F8A4F}
.result{text-align:center;padding:10px 0}
.result-emoji{font-size:4.5rem;line-height:1}
.result-score{font-size:4rem;font-weight:900;line-height:1;margin:10px 0}
.result-xp{display:inline-block;background:#FFF3CF;color:#8A6300;font-weight:900;padding:8px 16px;border-radius:999px;margin:8px 0 18px}
.result-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.mistakes{text-align:left;background:var(--paper);border:2px solid var(--line);border-radius:var(--r-lg);padding:14px 18px;margin-top:10px}
.mistakes h3{font-size:1rem}
.mistakes li{margin:4px 0}

/* ---- Leaderboard / profile ---- */
.board{list-style:none;padding:0;margin:0;max-width:720px}
.board li{display:flex;align-items:center;gap:14px;background:var(--paper);border:2px solid var(--line);border-radius:var(--r);padding:12px 16px;margin-bottom:10px}
.board li.me{border-color:var(--octo);background:#FFF1F4}
.board .rank{width:34px;text-align:center;font-weight:900;font-size:1.2rem}
.board-name{flex:1;font-weight:800}
.profile-head{display:flex;align-items:center;gap:18px}
.profile-head h1{margin:0}
.week-chart{display:flex;align-items:flex-end;gap:10px;height:150px;margin:10px 0 26px}
.wc-col{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end;gap:4px}
.wc-bar{width:100%;max-width:38px;background:var(--octo);border-radius:8px 8px 3px 3px}
.wc-val{font-size:.75rem;font-weight:800;color:var(--muted)}
.wc-lbl{font-size:.8rem;font-weight:800;color:var(--ink-2)}
.lang-progress{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-weight:700}
.lang-progress span{width:150px}
.activity{list-style:none;padding:0;margin:0 0 20px}
.activity li{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:8px 0;border-bottom:1px solid #E8F1F0}
.activity li span:first-child{flex:1;font-weight:700}

.empty{text-align:center;padding:40px 20px;color:var(--ink-2)}
.empty-icon{font-size:3.5rem}
.footer{background:var(--ink);color:#9FB6CC;padding:22px 0;font-size:.9rem}
.footer-inner{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(120px);background:var(--ink);color:#fff;padding:12px 20px;border-radius:999px;font-weight:700;transition:transform .3s;z-index:100;max-width:90vw}
.toast.show{transform:translateX(-50%) translateY(0)}

/* ---- Responsive ---- */
@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .hero-art{height:260px}
  .octo{font-size:7rem}
  .how{grid-template-columns:1fr 1fr}
  .two-col,.two-col.wide-left{grid-template-columns:1fr}
}
@media (max-width:760px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--ink);flex-direction:column;align-items:stretch;padding:10px 16px 16px;gap:4px}
  .nav-open .nav{display:flex}
  .chip{align-self:flex-start}
  .opts{grid-template-columns:1fr}
  .how{grid-template-columns:1fr}
  .node-dot{width:54px;height:54px;font-size:1.1rem}
  .path::before{left:24px}
  .form-row{grid-template-columns:1fr}
  .lang-progress span{width:110px}
}

/* ---- Installer ---- */
.installer{max-width:620px}
.inst-h{font-size:1.05rem;margin:18px 0 8px;padding-top:14px;border-top:2px solid var(--line)}
.checks{list-style:none;padding:0;margin:0 0 10px}
.checks li{display:flex;gap:10px;padding:7px 0;font-weight:700}
.checks li>span{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;flex-shrink:0;color:#fff;font-size:.8rem}
.checks li.ok>span{background:var(--green)} .checks li.bad>span{background:var(--red)}
.checks small{display:block;font-weight:600;color:var(--muted)}
.config-box{width:100%;font-family:Consolas,Menlo,monospace;font-size:.82rem;padding:12px;border:2px solid var(--line);border-radius:var(--r-sm);background:#F7FBFA;margin-bottom:12px}
.guide,.adv{background:#F2F9F8;border:2px solid var(--line);border-radius:var(--r);padding:12px 16px;margin:6px 0 14px}
.guide summary,.adv summary{cursor:pointer;font-weight:800}
.guide ol{margin:10px 0 0;padding-left:22px}
.guide li{margin:6px 0;font-size:.93rem}
.adv{margin:0}
.adv .form-row{margin-top:10px}
.pw-wrap{position:relative;display:block}
.pw-wrap input{padding-right:48px}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:0;font-size:1.1rem;cursor:pointer;padding:6px}
.form label small{font-weight:600}
.next-steps{padding-left:22px;margin:0 0 16px}
.next-steps li{margin:6px 0}
.table select{width:auto;min-width:110px;padding:6px 8px}
.tag{white-space:nowrap}
.toast{visibility:hidden;opacity:0;transition:transform .3s,opacity .3s,visibility .3s}
.toast.show{visibility:visible;opacity:1}

/* ---- Лого ---- */
.logo-img{display:inline-block;object-fit:contain}
.brand .logo-img{width:38px;height:38px;border-radius:8px;transform:none}
.auth-logo .logo-img{width:72px;height:72px}
.hero-logo.logo-img{width:180px;height:180px}
.footer-brand{display:inline-flex;align-items:center;gap:6px}
.footer-logo.logo-img{width:20px;height:20px}
.logo-current{display:flex;align-items:center;gap:14px;background:#F2F9F8;border:2px solid var(--line);border-radius:var(--r);padding:10px 14px}
.logo-current img{width:56px;height:56px;object-fit:contain}
.emoji-pick{display:flex;flex-wrap:wrap;gap:6px}
.emoji-pick button{font-size:1.4rem;background:#fff;border:2px solid var(--line);border-radius:10px;width:46px;height:46px;cursor:pointer}
.emoji-pick button:hover{border-color:var(--sea)}
.preview-bar{background:var(--ink);border-radius:var(--r);padding:16px 18px;margin:8px 0 10px}

/* ---- Түвшний бүлэг ---- */
.level-group{background:var(--paper);border:2px solid var(--line);border-radius:var(--r-lg);margin-bottom:14px;max-width:760px}
.level-group>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:16px 20px}
.level-group>summary::-webkit-details-marker{display:none}
.level-group>summary::before{content:"▸";font-weight:900;color:var(--muted);transition:transform .2s}
.level-group[open]>summary::before{transform:rotate(90deg)}
.lg-title{font-weight:900;font-size:1.25rem}
.lg-meta{color:var(--muted);font-weight:700;font-size:.9rem}
.lg-meter{max-width:160px;min-width:80px}
.lg-meter>span{display:block;height:100%;background:var(--sea);border-radius:999px}
.tag.cur{background:#FFE3EA;color:var(--octo-d)}
.level-group .path{padding:4px 18px 8px}
.level-group .path::before{left:49px}
.level-group .node-card{background:#FAFDFC}
@media (max-width:760px){.level-group .path::before{left:42px}.level-group .path{padding:4px 12px 8px}}
.csv-sample{background:#F2F9F8;border:2px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;font-size:.85rem;overflow-x:auto}
.form label.check span{font-weight:600}

/* ---- Төлбөртэй эрх ---- */
.btn-sun{background:var(--sun);color:var(--ink);box-shadow:0 3px 0 var(--sun-d)}
.nav a.btn-sun{color:var(--ink)}
.chip-premium{background:rgba(255,201,64,.2);text-decoration:none;padding:5px 9px}
.upsell{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:#FFF6DA;border:2px solid #F5E1A4;border-radius:var(--r-lg);padding:12px 18px;margin:0 0 20px;font-weight:700;color:#5C4A12;max-width:1120px}
.path-node.premium .node-dot{background:#FFF6DA;border-color:#F5E1A4;font-size:1.3rem}
.path-node.premium .node-card{opacity:.85}
.tag.prem{background:#FFF3CF;color:#8A6300}
.plan-card{position:relative}
.plan-card.is-premium{border-color:#F5E1A4;background:linear-gradient(160deg,#FFFBEE,#fff 60%)}
.plan-badge{display:inline-block;background:var(--ink);color:var(--sun);font-weight:900;border-radius:999px;padding:5px 14px;margin-bottom:12px}
.plan-badge.free{background:#E0ECEB;color:var(--ink-2)}
.plan-left{font-size:1.1rem}
.plan-left b{font-size:2.2rem;color:var(--octo)}
.plan-list{list-style:none;padding:0;margin:10px 0 18px}
.plan-list li{padding:4px 0;font-weight:700}
.plan-list li.no{color:var(--muted)}
.promo-form{border-top:2px solid var(--line);padding-top:16px;margin-top:10px}
.code-input{font-family:Consolas,Menlo,monospace!important;letter-spacing:.08em;text-transform:uppercase;font-size:1.1rem!important}
.price-tag{display:inline-block;background:var(--ink);color:var(--sun);font-weight:900;font-size:1.2rem;border-radius:var(--r);padding:8px 16px;margin-bottom:12px}
.pay-info{background:#F2F9F8;border:2px dashed var(--line);border-radius:var(--r);padding:14px 16px;font-weight:700;margin-bottom:14px;white-space:normal}
.tip-box{background:#F2F9F8;border:2px solid var(--line);border-radius:var(--r);padding:12px 14px;margin-top:14px}
.cron-cmd{display:block;margin-top:6px;word-break:break-all}
.new-codes{border-color:var(--green)}
.code-box{font-size:1rem;letter-spacing:.06em}
.users-layout{display:flex;flex-direction:column;gap:0}
.users-layout>div{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.prem-cell{min-width:190px}
.prem-form{display:flex!important;gap:4px;margin-top:6px}
.prem-form select{min-width:0!important;font-size:.82rem;padding:4px 6px}

/* ---- Мэдэгдэл ---- */
.bell{position:relative}
.bell>summary{list-style:none;cursor:pointer;font-size:1.25rem;padding:6px 8px;border-radius:999px;position:relative}
.bell>summary::-webkit-details-marker{display:none}
.bell>summary:hover{background:rgba(255,255,255,.1)}
.bell-badge{position:absolute;top:0;right:-2px;background:var(--octo);color:#fff;font-size:.68rem;font-weight:900;border-radius:999px;min-width:18px;height:18px;display:grid;place-items:center;padding:0 4px;border:2px solid var(--ink)}
.bell-panel{position:absolute;right:0;top:calc(100% + 8px);width:340px;max-width:90vw;background:#fff;color:var(--ink);border-radius:var(--r-lg);box-shadow:0 12px 40px rgba(14,42,71,.25);border:2px solid var(--line);z-index:60;overflow:hidden}
.bell-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:2px solid var(--line)}
.bell-readall{background:none;border:0;color:var(--sea-d);font:inherit;font-weight:800;font-size:.85rem;cursor:pointer}
.bell-item{display:block;padding:10px 16px;border-bottom:1px solid #E8F1F0;text-decoration:none!important;color:var(--ink)!important;background:none!important;border-radius:0!important}
.bell-item b{display:block;font-size:.92rem}
.bell-item span{display:block;font-size:.85rem;color:var(--ink-2);font-weight:600}
.bell-item.unread{background:#FFF1F4!important}
.bell-all{display:block;text-align:center;padding:10px;font-weight:800;color:var(--sea-d)!important;background:none!important}
.bell-empty{padding:14px 16px;margin:0}
.notif-list{list-style:none;padding:0;margin:0}
.notif-list li a{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border-radius:var(--r);text-decoration:none;color:var(--ink)}
.notif-list li a:hover{background:#F2F9F8}
.notif-list li.unread a{background:#FFF1F4}
.notif-list li span{color:var(--ink-2);font-weight:600}
.native-notif{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;background:#E6F0FC;border-radius:var(--r);padding:10px 14px;margin-bottom:12px;font-weight:700;font-size:.92rem}
.native-notif[hidden]{display:none}
.reminder-pop{position:fixed;right:20px;bottom:20px;z-index:90;width:380px;max-width:calc(100vw - 40px);background:#fff;border:3px solid var(--ink);border-radius:22px;box-shadow:0 8px 0 var(--ink),0 20px 50px rgba(14,42,71,.25);padding:18px 18px 16px;display:grid;grid-template-columns:auto 1fr;gap:6px 14px;align-items:start}
.reminder-pop .rp-icon{grid-row:span 2;font-size:2.4rem;line-height:1}
.reminder-pop .rp-logo.logo-img{width:44px;height:44px}
.reminder-pop .rp-text b{display:block;font-size:1.05rem;margin-right:20px}
.reminder-pop .rp-text span{display:block;color:var(--ink-2);font-weight:600;font-size:.93rem}
.reminder-pop .btn{justify-self:start;margin-top:6px}
.rp-close{position:absolute;top:8px;right:10px;background:none;border:0;font-size:1.1rem;cursor:pointer;color:var(--muted)}
.reminder-pop.hide{display:none}
@media (prefers-reduced-motion:no-preference){.reminder-pop{animation:rpIn .5s cubic-bezier(.2,1.4,.4,1)}@keyframes rpIn{from{transform:translateY(40px);opacity:0}}}
@media (max-width:760px){
  .bell-panel{position:static;width:100%;margin-top:8px;box-shadow:none}
  .users-layout>div{grid-template-columns:1fr}
}
.table code{white-space:nowrap}

/* ---- Хэлний таб ---- */
.lang-banner{padding-bottom:0}
.lang-tabs{display:flex;gap:4px;margin-top:16px;overflow-x:auto;scrollbar-width:none}
.lang-tabs a{color:rgba(255,255,255,.85);text-decoration:none;font-weight:800;padding:10px 16px;border-radius:14px 14px 0 0;white-space:nowrap}
.lang-tabs a:hover{background:rgba(255,255,255,.12);color:#fff}
.lang-tabs a.active{background:var(--foam);color:var(--ink)}

/* ---- Дүрэм / ярианы жагсаалт ---- */
.unit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.unit-card{display:flex;gap:14px;align-items:flex-start;background:var(--paper);border:2px solid var(--line);border-radius:var(--r-lg);padding:16px;text-decoration:none;color:var(--ink);box-shadow:0 4px 0 var(--line);transition:transform .12s}
.unit-card:hover{transform:translateY(-2px)}
.unit-card.locked{opacity:.75}
.unit-num{flex-shrink:0;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:900;background:var(--octo);color:#fff;box-shadow:0 3px 0 var(--octo-d)}
.unit-card.done .unit-num{background:var(--sea);box-shadow:0 3px 0 var(--sea-d)}
.unit-card.locked .unit-num{background:#FFF6DA;box-shadow:none}
.unit-body{display:flex;flex-direction:column;gap:3px;min-width:0}
.unit-body b{font-size:1.05rem}

/* ---- Дүрмийн хуудас ---- */
.g-section h2{font-size:1.1rem}
.g-table td{font-size:1rem}
.examples{list-style:none;padding:0;margin:0}
.examples li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid #E8F1F0}
.examples li:last-child{border-bottom:0}
.examples li>div{display:flex;flex-direction:column}
.ex-text{font-family:var(--font),var(--cjk);font-size:1.12rem}
.ex-pron{color:var(--sea-d);font-weight:700;font-size:.9rem}
.exercise{scroll-margin-top:80px;border-color:var(--octo)}
.unit-quiz{max-width:640px}
.uq-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.uq-q{font-family:var(--font),var(--cjk);font-size:1.25rem;color:var(--ink);margin-bottom:14px}
.uq-tr{font-weight:800;font-size:1.1rem;margin:4px 0 14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}

/* ---- Өгүүлбэр угсрах ---- */
.ord-answer{min-height:60px;border:2px dashed var(--line);border-radius:var(--r);padding:10px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px;background:#FAFDFC}
.ord-answer.ok{border-color:var(--green);background:#E4F7EC}
.ord-answer.bad{border-color:var(--red);background:#FDECEC}
.ord-pool{display:flex;flex-wrap:wrap;gap:8px;min-height:48px}
.tok{font:inherit;font-family:var(--font),var(--cjk);font-weight:800;font-size:1.08rem;background:#fff;color:var(--ink);border:2px solid var(--line);border-radius:12px;padding:8px 14px;cursor:pointer;box-shadow:0 3px 0 var(--line)}
.tok:hover{border-color:var(--sea)}
.tok.picked{background:var(--ink);color:#fff;border-color:var(--ink);box-shadow:0 3px 0 #06182B}
.ord-actions{display:flex;justify-content:space-between;margin-top:14px;gap:10px}

/* ---- Харилцан яриа ---- */
.dlg-tools{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding-bottom:14px;border-bottom:2px solid var(--line);margin-bottom:16px}
.toggle{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.92rem}
.toggle select{width:auto;padding:5px 8px}
.chat{display:flex;flex-direction:column;gap:12px}
.msg{display:flex;flex-direction:column;max-width:78%}
.msg-a{align-self:flex-start}
.msg-b{align-self:flex-end;align-items:flex-end}
.msg-who{font-size:.78rem;font-weight:800;color:var(--muted);margin:0 10px 3px}
.bubble-msg{position:relative;border-radius:18px;padding:12px 16px 12px 46px;display:flex;flex-direction:column;gap:2px;border:2px solid transparent;transition:box-shadow .2s}
.bubble-msg .speak-btn{position:absolute;left:10px;top:12px}
.msg-a .bubble-msg{background:#fff;border-color:var(--line);border-top-left-radius:4px}
.msg-b .bubble-msg{background:#E0F3F1;border-top-right-radius:4px}
.msg-text{font-family:var(--font),var(--cjk);font-weight:800;font-size:1.12rem}
.msg-pron{color:var(--sea-d);font-weight:700;font-size:.88rem}
.msg-tr{color:var(--ink-2);font-size:.92rem}
.msg-hidden{display:none;color:var(--octo-d);font-weight:800;font-size:.92rem}
.hide-tr .msg-tr,.hide-pron .msg-pron{display:none}
.msg.mine:not(.revealed) .msg-text,.msg.mine:not(.revealed) .msg-pron,.msg.mine:not(.revealed) .speak-btn{display:none}
.msg.mine:not(.revealed) .msg-hidden{display:block}
.msg.mine:not(.revealed) .bubble-msg{background:#FFF1F4;border:2px dashed var(--octo);cursor:pointer}
.msg.now .bubble-msg{box-shadow:0 0 0 4px rgba(255,201,64,.6)}

/* ---- Тоглоом ---- */
.game-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.game-card{display:flex;flex-direction:column;gap:8px;align-items:flex-start;background:var(--paper);border:2px solid var(--line);border-radius:var(--r-lg);padding:22px;text-decoration:none;color:var(--ink);box-shadow:0 6px 0 var(--line);transition:transform .12s}
.game-card:hover{transform:translateY(-3px)}
.game-card b{font-size:1.2rem}
.game-card span:not(.btn):not(.game-icon){color:var(--ink-2);font-size:.93rem;flex:1}
.game-icon{font-size:2.6rem;line-height:1}
.game-wrap{max-width:760px;margin:0 auto}
.game-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.game-stats{font-weight:900;background:var(--ink);color:var(--sun);border-radius:999px;padding:6px 14px;min-height:34px}
.game-stats:empty{display:none}
.game-board{background:var(--paper);border:2px solid var(--line);border-radius:var(--r-lg);padding:20px}
.mgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.mcard{aspect-ratio:4/3;border:0;border-radius:14px;background:var(--ink);color:transparent;font:inherit;font-weight:800;cursor:pointer;padding:6px;box-shadow:0 4px 0 #06182B;transition:transform .15s,background .15s;position:relative}
.mcard::after{content:"🐙";position:absolute;inset:0;display:grid;place-items:center;font-size:1.6rem;color:#fff}
.mcard span{font-family:var(--font),var(--cjk);font-size:.95rem;line-height:1.2}
.mcard.up,.mcard.done{background:#fff;color:var(--ink);box-shadow:0 4px 0 var(--line);border:2px solid var(--line)}
.mcard.up::after,.mcard.done::after{content:none}
.mcard.is-word.up span,.mcard.is-word.done span{font-size:1.15rem}
.mcard.done{background:#E4F7EC;border-color:var(--green);color:#1B7A45;cursor:default}
.mcard.miss{background:#FDECEC;border-color:var(--red)}
.speed-bar{height:10px;background:#E0ECEB;border-radius:999px;overflow:hidden;margin-bottom:18px}
.speed-bar>div{height:100%;width:100%;background:linear-gradient(90deg,var(--octo),var(--sun));transition:width 1s linear}
.speed-q{text-align:center;margin-bottom:16px}
@media (max-width:760px){.mgrid{grid-template-columns:repeat(3,1fr)}.msg{max-width:92%}}
.lang-extra{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px;font-size:.82rem;font-weight:800;color:var(--ink-2)}
.listen-stage{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:20px}
.tf-card{text-align:center;padding:24px 16px;border-radius:var(--r-lg);border:3px solid var(--line);margin-bottom:18px;transition:background .15s,border-color .15s}
.tf-card.ok{background:#E4F7EC;border-color:var(--green)}
.tf-card.bad{background:#FDECEC;border-color:var(--red)}
.tf-eq{font-size:1.6rem;font-weight:900;color:var(--muted);margin:4px 0}
.tf-btns{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tf-btns small{opacity:.7;font-size:.75rem}
.tf-no{background:var(--red);box-shadow:0 4px 0 #A92B30}
.tf-yes{background:var(--green);box-shadow:0 4px 0 #1F8A4F}
.miss-word{display:flex;justify-content:center;flex-wrap:wrap;gap:4px;font-family:var(--font),var(--cjk);font-size:clamp(2rem,7vw,3rem);font-weight:900;margin:14px 0 22px}
.miss-slot{display:inline-grid;place-items:center;min-width:1.1em;border-bottom:4px solid var(--octo);color:var(--octo)}
.miss-slot.ok{color:var(--green);border-color:var(--green)}
.miss-slot.bad{color:var(--red);border-color:var(--red)}
.miss-opts{grid-template-columns:repeat(4,1fr)}
.miss-opts .opt{justify-content:center;font-size:1.6rem;min-height:70px}
@media (max-width:760px){.miss-opts{grid-template-columns:repeat(2,1fr)}}