/* THB Fluency */
:root{
  --brand:#8A0304; --brand-d:#6a0203; --brand-t:#f6ecec;
  --ink:#1d1a19; --ink-2:#5c5654; --line:#e6e1de; --bg:#faf8f6; --card:#fff;
  --good:#1f7a4d; --good-t:#e7f4ec; --bad:#b3261e; --bad-t:#fbeaea; --warn:#8a5a00; --warn-t:#fdf3df;
  --r:12px; --sh:0 1px 2px rgba(0,0,0,.04),0 4px 16px rgba(0,0,0,.04);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "Hind Siliguri",system-ui,sans-serif}
a{color:var(--brand)}
img{max-width:100%}
code{font-size:.88em;background:#f1ece9;padding:.05em .35em;border-radius:4px}
[lang=ja]{font-family:"Noto Sans JP","Hind Siliguri",sans-serif}
[lang=ko]{font-family:"Noto Sans KR","Hind Siliguri",sans-serif}
[lang=zh]{font-family:"Noto Sans SC","Hind Siliguri",sans-serif}
[lang=ar]{font-family:"Noto Naskh Arabic","Hind Siliguri",sans-serif}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
.main{padding:24px 16px 48px;min-height:70vh}
.muted{color:var(--ink-2)} .small{font-size:.88rem} .center{text-align:center} .nowrap{white-space:nowrap}
h1{font-size:1.7rem;line-height:1.3;margin:.2em 0 .5em}
h2{font-size:1.25rem} h3{font-size:1.05rem;margin:.2em 0}
.section-title{margin:1.6em 0 .7em;font-size:1.15rem}

/* top bar */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:58px;gap:12px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink)}
.brand-mark{background:var(--brand);color:#fff;font-weight:700;font-size:.8rem;letter-spacing:.06em;padding:4px 7px;border-radius:6px}
.brand-name{font-weight:700;font-size:1.1rem}
.nav{display:flex;align-items:center;gap:14px;font-size:.95rem;overflow-x:auto}
.nav a{text-decoration:none;color:var(--ink);white-space:nowrap}
.nav a.muted{color:var(--ink-2)}

/* buttons & forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--brand);color:#fff;border:1px solid var(--brand);border-radius:10px;padding:.6em 1.15em;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;line-height:1.3}
.btn:hover{background:var(--brand-d)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-ghost{background:#fff;color:var(--brand)} .btn-ghost:hover{background:var(--brand-t)}
.btn-danger{background:#fff;color:var(--bad);border-color:#e3b5b2}
.btn-sm{padding:.35em .8em;font-size:.88rem;border-radius:8px}
.btn-lg{padding:.8em 1.5em;font-size:1.05rem}
.btn-block{width:100%}
.nav .btn{color:#fff}
.linkish{background:none;border:0;color:var(--ink-2);text-decoration:underline;cursor:pointer;font:inherit;font-size:.88rem}
.form{display:flex;flex-direction:column;gap:14px}
.form label{display:flex;flex-direction:column;gap:5px;font-weight:500;font-size:.95rem}
input,select,textarea{font:inherit;font-weight:400;padding:.6em .75em;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-t);border-color:var(--brand)}
textarea.mono{font-size:.92rem;line-height:1.6}
.inline-form{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:10px 0}
.inline-form select,.inline-form input{width:auto;min-width:160px;flex:1}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--sh);margin:14px 0}
.narrow{max-width:460px;margin:24px auto}
.compact{gap:8px}
.flash{padding:12px 14px;border-radius:10px;margin:0 0 16px;background:var(--good-t);color:var(--good)}
.flash-err{background:var(--bad-t);color:var(--bad)} .flash-warn{background:var(--warn-t);color:var(--warn)}
.flash ul{margin:.4em 0 0;padding-left:1.2em}
.ok-line{color:var(--good)}
.tag{display:inline-block;font-size:.78rem;padding:1px 8px;border-radius:99px;background:#efe9e6;color:var(--ink-2)}
.tag-live,.tag-published{background:var(--good-t);color:var(--good)}
.tag-review,.tag-warn{background:var(--warn-t);color:var(--warn)}

/* home */
.hero{padding:28px 0 8px;max-width:680px}
.eyebrow{color:var(--brand);font-weight:600;margin:0}
.hero h1{font-size:2.1rem}
.lead{font-size:1.08rem;color:var(--ink-2)}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.lang-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.lang-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:2px}
.lang-native{font-size:1.45rem;font-weight:600;color:var(--brand)}
.lang-native.sm{font-size:1.1rem} .lang-native.lg{font-size:2.2rem}
.lang-bn{font-weight:600} .lang-exam{font-size:.82rem;color:var(--ink-2);flex:1;margin-bottom:6px}
.lang-card .tag{align-self:flex-start}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:32px}
.feature{border-top:3px solid var(--brand);padding-top:10px}
.feature p{color:var(--ink-2);margin:.3em 0 0}

/* dashboard */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0}
.stats.wide{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;display:flex;flex-direction:column}
.stat-n{font-size:1.6rem;font-weight:700;color:var(--brand);line-height:1.2}
.stat-l{font-size:.85rem;color:var(--ink-2)}
.course-list{display:flex;flex-direction:column;gap:12px}
.course-row{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--sh)}
.course-head{display:flex;gap:10px;align-items:baseline}
.bar{height:8px;background:#efe9e6;border-radius:99px;margin:10px 0 4px;overflow:hidden}
.bar span{display:block;height:100%;background:var(--brand);border-radius:99px}
.row-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.row-actions.center{justify-content:center}
.service-link{display:inline-block;margin-top:10px;font-size:.9rem}
.service-box{display:flex;flex-direction:column;gap:2px;margin-top:24px;padding:16px;border-radius:var(--r);background:var(--brand-t);text-decoration:none;color:var(--ink)}
.service-box span{color:var(--brand);font-size:.92rem}

/* course */
.course-hero{text-align:center;padding:8px 0}
.course-hero h1{margin:0}
.unit{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:14px}
.unit-no{font-size:.8rem;color:var(--brand);font-weight:600;letter-spacing:.03em}
.unit-head p{margin:.2em 0 .6em}
.lesson-list{list-style:none;margin:0;padding:0}
.lesson-item{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-top:1px solid var(--line)}
.dot{flex:0 0 34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;background:#efe9e6;color:var(--ink-2)}
.lesson-item.open .dot{background:var(--brand);color:#fff}
.lesson-item.done .dot{background:var(--good);color:#fff}
.lesson-item.locked{opacity:.55}
.li-body{display:flex;flex-direction:column}
.li-body a{font-weight:600;text-decoration:none}
.li-meta{font-size:.85rem;color:var(--ink-2)}

/* player */
.lesson-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
.back{text-decoration:none}
.player{max-width:680px;margin:0 auto}
.goal{background:var(--brand-t);border-radius:10px;padding:10px 14px}
.vocab{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.vcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px}
.vtop{display:flex;justify-content:space-between;align-items:center;gap:8px}
.native.big{font-size:1.35rem;font-weight:500}
.vroman{font-size:.88rem;color:var(--ink-2)}
.vmeaning{font-weight:600}
.play-group{display:inline-flex;gap:4px;flex-shrink:0;vertical-align:middle}
.play{border:1px solid var(--line);background:#fff;border-radius:50%;width:34px;height:34px;cursor:pointer;color:var(--brand);font-size:.85rem}
.play:hover{background:var(--brand-t)}
.play.big{width:72px;height:72px;font-size:1.6rem;background:var(--brand);color:#fff;border:0}
.rule{background:#fff;border-left:4px solid var(--brand);padding:6px 16px;border-radius:0 10px 10px 0;margin:18px 0}
.examples{list-style:none;padding:0;margin:0}
.examples li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin-bottom:8px}
.examples .native{font-size:1.1rem}
.tip{background:var(--warn-t);border-radius:10px;padding:12px 14px;margin:18px 0}
.learn-foot{display:flex;flex-direction:column;align-items:center;gap:10px;margin:28px 0 8px}
.pbar{height:10px;background:#efe9e6;border-radius:99px;overflow:hidden;margin-bottom:18px}
.pbar span{display:block;height:100%;background:var(--good);transition:width .3s}
.retry-note{color:var(--warn);font-weight:600;margin:0 0 6px}
.q-label{color:var(--ink-2);margin:0;font-size:.92rem}
.q{font-size:1.3rem;margin:.3em 0 .8em}
.listen-big{display:flex;gap:12px;align-items:center;justify-content:center;margin:18px 0}
.options{display:flex;flex-direction:column;gap:10px}
.opt{text-align:left;background:#fff;border:2px solid var(--line);border-radius:12px;padding:12px 14px;font:inherit;font-size:1.05rem;cursor:pointer;color:var(--ink)}
.opt:hover:not(:disabled){border-color:#cbbfbb}
.opt.sel{border-color:var(--brand);background:var(--brand-t)}
.opt.right{border-color:var(--good);background:var(--good-t)}
.opt.wrong{border-color:var(--bad);background:var(--bad-t)}
.opt:disabled{cursor:default}
.match{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mcol{display:flex;flex-direction:column;gap:10px}
.mcol .opt{text-align:center}
.arr-line{min-height:58px;border-bottom:2px solid var(--line);padding:8px 0;display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.arr-line.right{border-color:var(--good)} .arr-line.wrong{border-color:var(--bad)}
.arr-bank{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.chip{background:#fff;border:2px solid var(--line);border-bottom-width:4px;border-radius:10px;padding:8px 12px;font:inherit;font-size:1.05rem;cursor:pointer;color:var(--ink)}
.chip.used{visibility:hidden}
.heard{min-height:1.6em;color:var(--ink-2)}
.ex-foot{position:sticky;bottom:0;margin:22px -16px 0;padding:14px 16px;background:var(--bg);border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.ex-foot.good{background:var(--good-t);color:var(--good)}
.ex-foot.bad{background:var(--bad-t);color:var(--bad)}
.ex-foot.skip{background:#efe9e6}
.ex-foot > .btn:only-child{margin-left:auto}
.mic{min-width:130px}
.result{text-align:center;padding:24px 0}
.score{font-size:3.4rem;font-weight:700;color:var(--brand);line-height:1}
.earned{font-weight:600;color:var(--good)}

/* review & admin */
.review-list{list-style:none;padding:0}
.review-list li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:8px;display:flex;flex-direction:column;gap:4px}
.admin-nav{display:flex;gap:8px;margin-bottom:14px}
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;background:#fff;font-size:.93rem}
.table th,.table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.table th{font-weight:600;color:var(--ink-2);font-size:.85rem}
.lang-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.lang-tabs a{padding:5px 12px;border-radius:99px;border:1px solid var(--line);text-decoration:none;color:var(--ink);background:#fff;font-size:.92rem}
.lang-tabs a.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.report{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:10px}
.report p{margin:.3em 0}
.editor{display:grid;grid-template-columns:1fr 300px;gap:20px;align-items:start}
.help{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;position:sticky;top:72px;max-height:calc(100vh - 90px);overflow:auto}
.help dt{font-weight:600;margin-top:8px} .help dd{margin:2px 0 0}
.audio-list{padding-left:1.3em} .audio-list li{margin-bottom:3px}
.grid2{display:grid;grid-template-columns:1fr 120px;gap:12px}
.filters input{min-width:200px}

/* footer */
.footer{border-top:1px solid var(--line);background:#fff;padding:18px 0;font-size:.88rem;color:var(--ink-2)}
.footer-in{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.footer a{color:var(--ink-2)}

@media (max-width:720px){
  h1{font-size:1.45rem} .hero h1{font-size:1.65rem}
  .editor{grid-template-columns:1fr} .help{position:static;max-height:none}
  .stats{grid-template-columns:repeat(3,1fr)} .stat{padding:10px} .stat-n{font-size:1.3rem}
  .nav{gap:10px;font-size:.9rem}
  .match .opt{font-size:.95rem;padding:10px 8px}
}

/* v2 — অনুবাদ ও দোভাষী */
.pair{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:8px;margin:10px 0}
.pair-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pair-tag{font-size:.78rem;font-weight:600;color:var(--brand);background:var(--brand-t);border-radius:6px;padding:1px 8px;min-width:52px;text-align:center}
.big{font-size:1.2rem}
.source-box{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:0 12px 12px 0;padding:12px 14px;margin:10px 0;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.hidden-text{display:none}
.answer{margin-top:6px;font-size:1.05rem}
.model-box{background:var(--good-t);border-radius:12px;padding:10px 14px;margin:14px 0}
.model-box ul{margin:4px 0;padding-left:1.2em}
.self{margin-top:10px}
.gloss-add{font-size:.82rem;margin-top:4px;padding:0}
.player audio{width:100%;margin:8px 0}
.path-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.path-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;border-top:4px solid var(--brand)}
.path-card p{color:var(--ink-2);margin:.3em 0 0;font-size:.93rem}
.path-card .lvl{font-size:.8rem;color:var(--brand);font-weight:600}
.sub-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;margin-bottom:12px}
.sub-head{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;align-items:baseline}
.sub-grid{display:grid;grid-template-columns:110px 1fr;gap:4px 12px;margin:8px 0;font-size:.95rem}
.sub-grid dt{color:var(--ink-2)} .sub-grid dd{margin:0}
.score-badge{font-weight:700;color:var(--brand);font-size:1.3rem}
.rubric-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:6px 0;border-bottom:1px solid var(--line)}
.rubric-row select{width:auto}
.feedback{background:var(--brand-t);border-radius:10px;padding:10px 12px;margin-top:8px}
.tag-pending{background:var(--warn-t);color:var(--warn)} .tag-reviewed{background:var(--good-t);color:var(--good)}

/* ---------- v6: বয়স বিভাগ, ছয় দক্ষতা, শিশু মোড, হাতে লেখা, প্যাকেজ ---------- */
.tag-good{background:var(--good-t);color:var(--good)} .tag-bad{background:var(--bad-t);color:var(--bad)}
.track-tabs{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:6px 0 14px}
.track-tabs a{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:99px;border:1px solid var(--line);background:#fff;text-decoration:none;color:var(--ink);font-weight:600}
.track-tabs a small{color:var(--ink-2);font-weight:400}
.track-tabs a.on{background:var(--brand);color:#fff;border-color:var(--brand)} .track-tabs a.on small{color:#fbe3e3}
.skill-strip{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:6px 0 12px;padding:0}
.skill-strip span{background:#fff;border:1px solid var(--line);border-radius:99px;padding:2px 10px;font-size:.85rem}
.skill-row{display:flex;align-items:center;gap:10px;margin:0 0 8px}
.skill-chip{display:inline-block;font-size:.8rem;font-weight:600;padding:2px 10px;border-radius:99px;background:var(--brand-t);color:var(--brand)}
.skill-writing{background:#eef3ff;color:#2f4fb3} .skill-listening{background:#e9f7f1;color:#16714d} .skill-speaking{background:#fff2e2;color:#9a5300}
.skill-translation{background:#f3ecff;color:#6438b3} .skill-interpretation{background:#e6f6fa;color:#0b6f86}
.kid-host .host svg{width:64px;height:64px;flex:none;animation:bob 2.6s ease-in-out infinite}
.bubble{position:relative;background:#fff;border:2px solid var(--line);border-radius:16px;padding:8px 12px;font-size:.98rem;line-height:1.45}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.vpic{font-size:2.6rem;line-height:1;text-align:center;margin-bottom:4px}
.big-word{font-size:1.8rem}
.pic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:12px;margin:12px 0}
.pic-card{aspect-ratio:1/0.9;border:2px solid var(--line);border-bottom-width:6px;border-radius:20px;background:#fff;cursor:pointer;display:grid;place-items:center;transition:transform .1s}
.pic-card .pic-emo{font-size:clamp(2.6rem,12vw,3.6rem);line-height:1;font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif}
.pic-card.sel{border-color:var(--brand);background:var(--brand-t)}
.pic-card.right{border-color:var(--good);background:var(--good-t);animation:jump .5s}
.pic-card.wrong{border-color:var(--bad);background:var(--bad-t);animation:shake .35s}
.balloons .pic-card{border-radius:50% 50% 46% 46%/56% 56% 44% 44%;animation:floaty 3.2s ease-in-out infinite;animation-delay:calc(var(--i) * -.7s)}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-10px) rotate(2deg)}}
@keyframes jump{30%{transform:translateY(-12px) scale(1.06)}60%{transform:translateY(0) scale(.98)}}
@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.trace-wrap{margin:8px 0}
.trace-canvas{display:block;width:100%;background:#fff;border:2px solid var(--line);border-radius:18px;touch-action:none;cursor:crosshair}
.trace-tools{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.trace-btn{border:1px solid var(--line);background:#fff;border-radius:10px;padding:6px 12px;font:inherit;font-size:.9rem;cursor:pointer}
.trace-btn.trace-check{background:var(--brand);color:#fff;border-color:var(--brand)}
.trace-btn:disabled{opacity:.5}
.trace-msg{min-height:1.5em;margin:8px 0 0;font-weight:600}
.trace-msg.good{color:var(--good)} .trace-msg.bad{color:var(--bad)}
.confetti{position:relative;height:0;width:100%}
.confetti i{position:absolute;left:50%;top:0;width:8px;height:8px;border-radius:2px;animation:fly 1s ease-out forwards}
@keyframes fly{to{transform:translate(var(--dx),var(--dy)) rotate(260deg);opacity:0}}
.kid-say{display:flex;align-items:center;gap:8px;font-weight:700}
.foot-char svg{width:52px;height:52px}
.kid-finish{display:flex;flex-direction:column;align-items:center;gap:6px}
.kid-finish svg.big{width:140px;height:140px;animation:bob 2s ease-in-out infinite}
/* শিশু মোড */
body.kids{background:#eaf4ff;background-image:radial-gradient(#d3e6fa 2px,transparent 2.5px);background-size:26px 26px}
body.kids .unit,body.kids .card,body.kids .vcard,body.kids .opt{border-radius:22px;border-width:2px}
body.kids .unit-head h3{font-size:1.25rem}
body.kids .btn{border-radius:16px;font-size:1.05rem}
body.kids .q{font-size:1.5rem}
body.kids .lesson-item .dot{background:#FFC93C;color:#2B2140}
.buddy-hero{display:flex;align-items:center;gap:12px;background:var(--brand);color:#fff;border-radius:26px;padding:14px 16px;margin:10px 0}
.buddy-hero .buddy-svg svg{width:96px;height:96px;flex:none;animation:bob 2.6s ease-in-out infinite}
.buddy-hero .bubble{color:var(--ink);display:flex;flex-direction:column}
.buddy-pick{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 12px}
.buddy-btn{display:flex;flex-direction:column;align-items:center;border:2px solid var(--line);background:#fff;border-radius:14px;padding:4px 6px;font:inherit;font-size:.78rem;cursor:pointer}
.buddy-btn .bsvg svg{width:42px;height:42px}
.buddy-btn.on{border-color:var(--brand);background:var(--brand-t)}
/* বয়স বাছাই */
.age-pick{border:0;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.age-pick legend{font-weight:600;margin-bottom:6px}
.age-opt{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:#fff;cursor:pointer}
.age-opt > span{display:flex;flex-wrap:wrap;gap:0 8px;align-items:baseline}
.age-opt > span .small:last-child{flex-basis:100%;color:var(--ink-2)}
.age-emo{font-size:1.4rem}
.age-card{padding:10px 16px}
.small-n{font-size:1rem!important;line-height:1.35}
/* প্যাকেজ */
.price-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:6px;box-shadow:var(--sh)}
.price-card.hot{border:2px solid var(--brand)}
.price-card h3{margin:0;font-size:1.1rem}
.price-badge{position:absolute;top:-11px;right:14px;background:var(--brand);color:#fff;font-size:.75rem;font-weight:700;padding:2px 10px;border-radius:99px}
.price{font-size:1.7rem;font-weight:700;color:var(--brand);margin:4px 0}
.price span{font-size:.9rem;color:var(--ink-2);font-weight:400}
.feat{margin:4px 0 10px;padding-left:1.2em;flex:1}
.feat li{margin:3px 0}
.steps{padding-left:1.3em} .steps li{margin:4px 0}
.pay-list{list-style:none;padding:12px 14px;background:var(--brand-t);border-radius:12px;margin:10px 0}
.pay-list li{margin:4px 0}
.pay-row{display:flex;flex-direction:column;gap:6px;margin-bottom:10px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.checks{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.check{display:inline-flex!important;flex-direction:row!important;align-items:center;gap:6px}
@media (prefers-reduced-motion:reduce){.balloons .pic-card,.kid-host .host svg,.buddy-hero .buddy-svg svg,.kid-finish svg.big{animation:none}}
.combo{display:inline-block;margin:0 0 6px;padding:2px 10px;border-radius:99px;background:#FFD43B;color:#3A0A0B;font-size:.85rem;font-weight:700;animation:pop .4s cubic-bezier(.3,1.6,.5,1)}
@keyframes pop{0%{transform:scale(.4)}100%{transform:scale(1)}}

.pic-card{overflow:hidden;padding:6px}
.pic-card .pic-emo.multi,.vpic.multi{font-size:clamp(1rem,4.6vw,1.35rem);line-height:1.25;letter-spacing:1px;max-width:100%;word-break:break-all;text-align:center}

.pic-card.count{border-radius:20px!important;animation:none!important;aspect-ratio:auto;min-height:96px}
.pic-emo.multi{display:flex;flex-wrap:wrap;justify-content:center;gap:2px 4px;font-size:clamp(1.1rem,5vw,1.45rem)!important;line-height:1.2;word-break:normal}
.vpic.multi{font-size:clamp(1.4rem,7vw,2rem)!important}

/* ---------- v7: সার্টিফিকেট কোর্স ---------- */
.pre{white-space:pre-line}
.cert-hero{background:linear-gradient(135deg,var(--brand),var(--brand-d));color:#fff;border-radius:18px;padding:22px;margin-bottom:14px}
.cert-hero .eyebrow{color:#fff;opacity:.85}.cert-hero .lead{color:#fff;opacity:.92}
.cert-hero h1{margin:.1em 0 .3em}
.ccards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px}
.ccard{display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;color:inherit;text-decoration:none;box-shadow:var(--sh)}
.ccard:hover{border-color:var(--brand)}
.ccard p{margin:0}
.cc-top{display:flex;gap:10px;align-items:center}
.cc-top b{display:block;font-size:1.1rem;line-height:1.3}.cc-top small{color:var(--ink-2);font-size:.8rem}
.cc-ic{font-size:1.7rem;width:48px;height:48px;flex:none;display:grid;place-items:center;border-radius:12px;background:var(--brand-t)}
.cc-meta{display:flex;flex-wrap:wrap;gap:6px}
.cc-meta span{font-size:.8rem;background:#f1ece9;border-radius:99px;padding:2px 9px}
.cc-meta.light span{background:rgba(255,255,255,.16)}
.meter{position:relative;height:6px;background:var(--line);border-radius:99px;margin:6px 0}
.meter span{display:block;height:100%;background:var(--brand);border-radius:99px}
.meter i{position:absolute;top:-4px;width:2px;height:14px;background:var(--warn)}
.list{display:flex;flex-direction:column;gap:8px}
.enroll{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;border-left:6px solid var(--warn)}
.enroll p{margin:4px 0 0}
.grid.two-col{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.ticks{list-style:none;padding:0}.ticks li{padding-left:1.5em;position:relative;margin:4px 0}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--good);font-weight:700}
.trail{list-style:none;margin:0;padding:6px 0;position:relative}
.trail::before{content:"";position:absolute;left:19px;top:24px;bottom:28px;width:3px;background:repeating-linear-gradient(var(--line) 0 8px,transparent 8px 13px)}
.stn{position:relative;display:flex;gap:12px;margin:0 0 10px}
.stn .dot{flex:none;width:40px;height:40px;margin-top:4px;border-radius:50%;display:grid;place-items:center;background:var(--card);border:2.5px solid var(--line);color:var(--ink-2);font-weight:700;z-index:1}
.stn.open .dot{border-color:var(--brand);color:var(--brand)}
.stn.done .dot{background:var(--brand);border-color:var(--brand);color:#fff}
.stn-card{flex:1;min-width:0;display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 14px;color:inherit;text-decoration:none}
a.stn-card:hover{border-color:var(--brand)}
.stn.locked .stn-card{opacity:.6}
.stn-t{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.4}
.stn-t small{font-size:.78rem;color:var(--brand);font-weight:600}.stn-t small.muted{color:var(--ink-2);font-weight:400}
.stn-s{flex:none;font-weight:700;font-size:.85rem;color:var(--brand)}
.mod-steps{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px;position:sticky;top:58px;background:var(--bg);padding:8px 0;z-index:3}
.mod-steps a{text-decoration:none;border:1px solid var(--line);background:var(--card);border-radius:99px;padding:4px 12px;font-size:.9rem;color:var(--ink)}
.mod-part{scroll-margin-top:120px;margin-bottom:24px}
.disc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:10px}
.disc-h{display:flex;align-items:center;gap:10px}.disc-h h3{flex:1}
.disc-n{flex:none;width:28px;height:28px;border-radius:50%;background:var(--brand-t);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:.85rem}
.disc p{margin:8px 0 0;line-height:1.8}
.tnote{background:#fffdf8;border:1px solid var(--line);border-left:6px solid var(--warn);border-radius:12px;padding:10px 14px;margin:10px 0}
.tnote.good{border-left-color:var(--good)}.tnote.bad{border-left-color:var(--bad)}
.tnote summary{cursor:pointer;font-weight:600}
.qbox{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:0 0 12px;background:var(--card)}
.qbox legend{font-weight:600;padding:0 6px}
.qbox .opt{display:flex;gap:8px;align-items:flex-start;margin:6px 0;cursor:pointer}
.qbox .opt.right{border-color:var(--good);background:var(--good-t)}.qbox .opt.wrong{border-color:var(--bad);background:var(--bad-t)}
.opt.right{border-color:var(--good)!important;background:var(--good-t)!important}.opt.wrong{border-color:var(--bad)!important;background:var(--bad-t)!important}
.result-mini{border-left:6px solid var(--good)}.result-mini.bad{border-left-color:var(--bad)}
.chk{display:flex;gap:8px;align-items:flex-start;margin:6px 0}
.match-sel label{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:center;margin:6px 0}
.match-sel select.right{border-color:var(--good);background:var(--good-t)}.match-sel select.wrong{border-color:var(--bad);background:var(--bad-t)}
dl.spot{display:grid;grid-template-columns:70px 1fr;gap:6px 10px;background:#f6f2ef;border-radius:10px;padding:10px 12px}
dl.spot dt{color:var(--ink-2)}dl.spot dd{margin:0}
.practice textarea{width:100%}
.certificate{background:#FFFDF8;color:#2A1A16;border-radius:6px;padding:12px;margin:14px auto;max-width:820px;box-shadow:0 6px 24px rgba(40,20,10,.15)}
.ct-in{border:2px solid #8A0304;outline:1px solid #C9A25A;outline-offset:-8px;padding:32px 24px 24px;text-align:center}
.ct-brand{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:1.1rem}
.ct-brand b{background:#8A0304;color:#fff;padding:2px 7px;border-radius:5px;font-size:.78rem;letter-spacing:.08em}
.ct-kind{margin:12px 0 2px;letter-spacing:.2em;font-size:.82rem;color:#8A0304;font-weight:700}
.ct-pre{margin:10px 0 0;color:#6B5A50}
.ct-name{font-size:clamp(1.6rem,5vw,2.4rem);font-weight:700;margin:6px auto 0;border-bottom:1px solid #C9A25A;display:inline-block;padding:0 20px 4px;min-width:60%}
.ct-course{font-size:clamp(1.2rem,4vw,1.6rem);font-weight:700;color:#8A0304;margin-top:6px}
.ct-en{font-size:.9rem;color:#6B5A50}
.ct-meta{display:flex;justify-content:center;gap:32px;margin:18px 0 4px;flex-wrap:wrap}
.ct-meta span{display:flex;flex-direction:column;font-weight:600}.ct-meta small{font-size:.72rem;color:#8A7A70;font-weight:400}
.ct-foot{display:grid;grid-template-columns:1fr auto 1fr;align-items:end;gap:10px;margin-top:24px}
.ct-foot > div{display:flex;flex-direction:column;align-items:center;font-size:.82rem}
.ct-foot > .ct-seal{width:70px;height:70px;border-radius:50%;display:grid;place-items:center;background:#8A0304;color:#fff;font-weight:700;box-shadow:0 0 0 4px #FFFDF8,0 0 0 6px #C9A25A}
.ct-sign{width:80%;height:28px;border-bottom:1px solid #2A1A16}
.ct-ver b{font-family:ui-monospace,Menlo,monospace;font-size:.8rem;word-break:break-all}.ct-ver small{font-size:.7rem;color:#8A7A70;word-break:break-all}
@media print{.topbar,.footer,.no-print,.flash{display:none!important}.main{padding:0}.certificate{box-shadow:none;margin:0}}

/* ---------- v8: পশ রং — আইভরি, অক্সব্লাড মেরুন, অ্যান্টিক সোনালি ---------- */
:root{
  --brand:#8A0304; --brand-d:#5E0203; --brand-t:#F3E3DC;
  --ink:#1E1512; --ink-2:#6E6056; --line:#E2D5C1; --bg:#F6F1E8; --card:#FFFCF6;
  --good:#2E6A4F; --good-t:#E4EFE7; --bad:#9F2A24; --bad-t:#F7E4E0; --warn:#8A6A2E; --warn-t:#F3E9D6;
  --gold:#A6824A; --hair:#C9AE7C;
  --sh:0 1px 1px rgba(60,35,20,.04),0 6px 20px rgba(60,35,20,.06);
}
h1,h2,h3,.section-title,.brand-name,.ct-name,.ct-course{font-family:"Noto Serif Bengali","Hind Siliguri",Georgia,serif;font-weight:600}
.topbar{background:rgba(246,241,232,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--hair)}
.brand-mark{background:linear-gradient(135deg,#8A0304,#5E0203);color:#F6E7C8;box-shadow:inset 0 0 0 1px rgba(214,180,120,.55)}
.btn{background:linear-gradient(180deg,#9B1517,#8A0304);border-color:#7A0203;box-shadow:inset 0 0 0 1px rgba(214,180,120,.35),0 2px 6px rgba(138,3,4,.2)}
.btn:hover{background:linear-gradient(180deg,#A31A1C,#7A0203)}
.btn-ghost{background:var(--card);color:var(--brand);border-color:var(--hair);box-shadow:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.card,.ccard,.stn-card,.disc,.qbox{background:var(--card);border-color:var(--line)}
.cert-hero{background:radial-gradient(120% 140% at 100% 0%,#A3141A 0%,#8A0304 38%,#4E0102 100%);color:#F8EEDC;box-shadow:0 10px 30px rgba(90,10,10,.25)}
.cert-hero .eyebrow{color:#E2C690}
.cc-ic{background:#F3E9D6}
.cc-meta span{background:#EEE6D8}
.cc-meta.light span{background:rgba(226,198,144,.14);color:#F6E7C8;border:1px solid rgba(226,198,144,.3)}
.meter span{background:linear-gradient(90deg,#8A0304,#A6824A)}
.stn.done .dot{border-color:var(--gold);color:#F6E7C8}
.stn.open .dot{border-color:var(--gold)}
.trail::before{background:repeating-linear-gradient(var(--hair) 0 6px,transparent 6px 12px)}
.tnote{background:#FFFBF3;border-left-color:var(--gold)}
.mod-steps{background:var(--bg)}
.mod-steps a{background:var(--card);border-color:var(--line)}
.footer{border-top:1px solid var(--hair)}
a.age-link{text-decoration:none;color:inherit;border-top-color:var(--brand)}
a.age-link h3{color:var(--brand)} a.age-link p{color:var(--ink-2)}
a.age-link:hover{border-color:var(--hair);box-shadow:0 0 0 1px var(--hair),var(--sh)}
/* কপি-পেস্ট বন্ধের সতর্কতা */
[data-guard] .source-box,[data-guard] .prompt,[data-guard] legend,[data-guard] .disc,[data-guard] dl.spot,[data-guard] .opt{-webkit-user-select:none;user-select:none}
[data-guard] textarea,[data-guard] input{-webkit-user-select:text;user-select:text}
.paste-warn{display:none;margin:6px 0 0;padding:8px 12px;border-radius:10px;background:var(--bad-t);color:var(--bad);font-weight:600;font-size:.92rem;border-left:4px solid var(--bad)}
.paste-warn.show{display:block;animation:pw .25s ease-out}
@keyframes pw{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.paste-shake{animation:pshake .35s}
@keyframes pshake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.ct-brand{display:block;font-family:"Noto Serif Bengali",Georgia,serif;font-size:1.45rem;font-weight:700;color:#8A0304}
.ct-init{font-size:.8rem;color:#6B5A50;letter-spacing:.04em;margin-top:2px}
.dict-panel{border-left:6px solid var(--gold)}
.dict-panel.miss{border-left-color:var(--brand);background:#FFFBF3}
.dict-links{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 6px}
.dict-links a{text-decoration:none}
/* স্তর ও ভুলের ব্যাখ্যা */
.lv{display:inline-block;font-size:.72rem;font-weight:700;padding:1px 8px;border-radius:99px;vertical-align:middle}
.lv1{background:var(--good-t);color:var(--good)}.lv2{background:#F3E9D6;color:#6E5528}.lv3{background:var(--brand-t);color:var(--brand)}
.fix p{margin:3px 0}.fx-bad{color:var(--bad);font-weight:700}.fx-ok{color:var(--good);font-weight:700}
.errs{background:#FFFBF3;border:1px dashed var(--hair);border-radius:12px;padding:10px 14px;margin:12px 0}
.err{padding:8px 0;border-top:1px solid var(--line)}.err:first-of-type{border-top:0}.err p{margin:3px 0}
.err-bad s{color:var(--bad)}.err-fix{color:var(--good)}
.lvsum .row-actions{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.lvchip{display:inline-block;padding:3px 10px;border-radius:99px;font-weight:600;font-size:.85rem}
.lvchip.lv1{background:var(--good-t);color:var(--good)}.lvchip.lv2{background:#F3E9D6}.lvchip.lv3{background:var(--brand-t);color:var(--brand)}
.lvchip.full{box-shadow:inset 0 0 0 1.5px currentColor}
.ntag{font-size:.8rem;font-weight:700;color:var(--brand);border-bottom:2px solid var(--gold)}
.newsline{font-family:"Noto Serif Bengali","Hind Siliguri",serif;font-size:1.08rem}
dl.terms{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;background:#EEE6D8;border-radius:10px;padding:10px 12px}
dl.terms dt{font-weight:600}dl.terms dd{margin:0}
.whatsnew{border-left:6px solid var(--gold);background:#FFFBF3}
.whatsnew ul{margin:6px 0 10px;padding-left:1.2em}
.wn-tag{background:var(--brand);color:#fff;font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:99px}
.whatsnew .row-actions{display:flex;flex-wrap:wrap;gap:8px}
/* প্রথম পাতার মূলমন্ত্র */
.motto{position:relative;overflow:hidden;margin:-24px -16px 8px;padding:56px 24px 50px;text-align:center;color:#FFF6E6;
  background:radial-gradient(120% 140% at 100% 0%,#A3141A 0%,#8A0304 40%,#4E0102 100%)}
.motto::before,.motto::after{content:"";position:absolute;border-radius:50%;border:22px solid rgba(214,180,120,.10)}
.motto::before{width:260px;height:260px;right:-90px;top:-110px}.motto::after{width:200px;height:200px;left:-80px;bottom:-110px}
.motto-h{position:relative;margin:0 auto;max-width:16ch;font-family:"Noto Serif Bengali","Hind Siliguri",serif;font-weight:700;
  font-size:clamp(2rem,6.5vw,3.4rem);line-height:1.25;color:#FFF6E6;text-wrap:balance}
.motto-sub{position:relative;display:inline-block;margin:18px auto 0;padding:8px 18px;border-top:1px solid rgba(226,198,144,.6);border-bottom:1px solid rgba(226,198,144,.6);
  color:#E9CE96;font-family:"Noto Serif Bengali","Hind Siliguri",serif;font-weight:600;font-size:clamp(1.02rem,2.6vw,1.3rem);letter-spacing:.01em}
.hero-h{font-size:1.6rem;line-height:1.35;margin:.2em 0 .5em}
@media (max-width:560px){.motto{padding:40px 18px 36px}.hero-h{font-size:1.3rem}}
.motto-h{max-width:none}.motto-h .nw{display:inline-block;white-space:nowrap}
@media (max-width:420px){.brand-name{display:none}}
.daily{background:linear-gradient(#FFFBF3,transparent);border-top:3px solid var(--gold);padding-top:4px;margin-top:10px}
/* ভাষা জগৎ ও বিশেষজ্ঞ */
.res-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px;margin:8px 0}
.res{display:flex;flex-direction:column;gap:3px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 14px;text-decoration:none;color:var(--ink);box-shadow:var(--sh)}
.res:hover{border-color:var(--hair)}.res b{color:var(--brand);font-weight:600}.res small{color:var(--ink-2);line-height:1.5}
.xbadge{display:inline-block;background:#E4EFE7;color:var(--good);border:1px solid #BFD8C8;border-radius:99px;padding:2px 10px;font-size:.82rem;font-weight:600;margin:2px 0}
.xp-timer{position:sticky;top:64px;z-index:4;background:var(--brand);color:#fff;display:inline-block;padding:4px 14px;border-radius:99px;font-weight:600}
.xp-timer.over{background:var(--bad)}
/* v16 — আজকের চ্যালেঞ্জ, মাস্টারি কোর্স, কনটেন্ট কারখানা */
.grid3{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-bottom:18px}
.linkcard{display:block;color:inherit;text-decoration:none;transition:border-color .15s,transform .15s}
.linkcard:hover{border-color:var(--brand);transform:translateY(-2px)}
.linkcard h3{margin:.3em 0}
.hero-mini{border-top:4px solid var(--brand)}
.hero-mini h1{margin-top:0}
.qbox.dq legend{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.qt{font-weight:600;color:var(--brand)}
.srctag{font-size:.75rem;color:var(--ink-2);background:var(--brand-t);border-radius:99px;padding:1px 8px;font-weight:400}
.dprompt{font-size:1.2rem;font-weight:600;margin:.4em 0 .6em;line-height:1.5}
.dprompt.bnp{font-family:'Noto Serif Bengali',serif}
.ord-ans{min-height:52px;border:2px dashed var(--line);border-radius:12px;padding:8px;display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.ord-bank{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}
.ord.need .ord-ans{border-color:var(--bad);background:var(--bad-t)}
.fx-why{font-weight:700;color:#7a4a00}.fx-ok{font-weight:700;color:var(--good)}
.srcrow{border-bottom:1px solid var(--line);padding:10px 0}
.srcrow input[type=text],.srcrow input:not([type]){width:100%}
.wn-auto{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
/* v17 — গ্রামার পথ, ঘরে বসে শেখা */
mark.gm{background:#FBE7C6;color:inherit;border-bottom:2px solid #C98A1B;border-radius:3px;padding:0 2px;cursor:help}
.gline{border-top:1px dashed var(--line);margin-top:8px;padding-top:6px}
.gline ul,.gl ul,.gnote ul{margin:4px 0 0;padding-left:18px}
.formula{display:flex;gap:10px;align-items:flex-start;background:var(--brand-t);border-radius:10px;padding:10px 14px;font-weight:600;margin-top:10px}
.formula span{flex:none;background:var(--brand);color:#fff;border-radius:6px;padding:0 8px;font-size:.8rem;line-height:1.8}
.gform{font-weight:700;font-size:1.1rem;white-space:nowrap;color:var(--brand)}
.glines{display:grid;gap:10px;margin-bottom:18px}
.gl{margin:0}.gl-t{font-size:1.15rem;font-weight:600;margin:0}.gl-b{margin:4px 0}
.mk-miss{background:#F8D7D3;text-decoration:underline wavy #B42318;border-radius:3px;padding:0 2px}
.mk-extra{background:#FCEFC7;text-decoration:line-through;border-radius:3px;padding:0 2px}
.gnote{margin-top:4px;font-size:.92rem}.gnote summary{cursor:pointer;color:var(--brand);font-weight:600}
.gl-all summary{cursor:pointer;font-weight:700}.gl-item{border-bottom:1px solid var(--line);padding:8px 0}
.gram-head h1{margin:.2em 0}
/* v18 — আর্যহি ও আহির: পরীর দেশের গাইড */
.gd-av svg{width:100%;height:100%;display:block}
.gd-btn{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;align-items:center;gap:0;border:0;border-radius:99px;padding:5px 14px 5px 5px;background:linear-gradient(135deg,#8A0304,#B5179E);color:#fff;font:inherit;font-weight:700;box-shadow:0 8px 24px rgba(90,10,60,.35);cursor:pointer}
.gd-btn .gd-av{width:40px;height:40px;background:#fff;border-radius:50%;border:2px solid #FFD6F0;margin-right:-8px;overflow:hidden}
.gd-btn .gd-l{margin-left:14px}.gd-btn::after{content:"✨";position:absolute;top:-8px;left:-4px;font-size:1rem;animation:gdTw 2s infinite}
@keyframes gdTw{50%{opacity:.3;transform:scale(.8)}}
.gd-btn.on{opacity:.9}
.gd-panel{position:fixed;right:16px;bottom:80px;z-index:61;width:min(380px,calc(100vw - 32px));max-height:min(620px,calc(100vh - 110px));display:flex;flex-direction:column;background:#fff;border-radius:18px;box-shadow:0 18px 50px rgba(40,10,40,.3);overflow:hidden;border:1px solid #F1D7E8}
.gd-panel[hidden]{display:none}
.gd-head{display:flex;align-items:center;gap:6px;padding:10px 12px;background:linear-gradient(135deg,#FFF0FA,#F3E8FF);border-bottom:1px solid #F1D7E8}
.gd-head .gd-av{width:44px;height:44px;flex:none}.gd-head div{flex:1;line-height:1.25}.gd-head small{display:block;color:#7A5B74;font-size:.78rem}
.gd-x{border:0;background:none;font-size:1.6rem;cursor:pointer;color:#7A5B74}
.gd-log{flex:1;overflow:auto;padding:10px 12px;display:flex;flex-direction:column;gap:8px;background:radial-gradient(circle at 90% 10%,#FFF5FC 0,#fff 60%)}
.gd-msg{display:flex;gap:6px;align-items:flex-start}.gd-msg .gd-av.sm{width:32px;height:32px;flex:none}
.gd-b{background:#F7F1F6;border-radius:4px 14px 14px 14px;padding:7px 11px;font-size:.93rem;max-width:85%}
.gd-b p{margin:2px 0}.gd-b a{font-weight:600}
.gd-ahir .gd-b{background:#EEF4FF}.gd-me{justify-content:flex-end}.gd-me .gd-b{background:var(--brand);color:#fff;border-radius:14px 4px 14px 14px}
.gd-wait{color:#9A6A8C;font-size:.9rem;padding-left:38px}
.gd-chips{display:flex;gap:6px;overflow-x:auto;padding:8px 12px;border-top:1px solid #F1D7E8;scrollbar-width:thin}
.gd-chip{flex:none;border:1px solid #E7C9DD;background:#FFF7FC;border-radius:99px;padding:4px 10px;font:inherit;font-size:.82rem;cursor:pointer;color:#6B2C5A}
.gd-form{display:flex;gap:6px;padding:8px 12px;border-top:1px solid #F1D7E8}
.gd-form input{flex:1;min-width:0;border:1.5px solid #E7C9DD;border-radius:99px;padding:8px 12px;font:inherit}
.gd-send{border:0;background:var(--brand);color:#fff;border-radius:50%;width:38px;height:38px;cursor:pointer}
.gd-hi{position:fixed;right:16px;bottom:76px;z-index:60;max-width:260px;background:#fff;border:1px solid #F1D7E8;border-radius:14px;padding:10px 12px;font-size:.9rem;box-shadow:0 10px 30px rgba(40,10,40,.2);cursor:pointer;animation:gdUp .4s}
@keyframes gdUp{from{transform:translateY(10px);opacity:0}}
.fz-hero{background:linear-gradient(160deg,#FFF0FA 0,#F3E8FF 55%,#E8F4FF 100%);border-top:4px solid #B5179E;position:relative;overflow:hidden}
.fz-hero::before{content:"✨ 🧚 ✨";position:absolute;right:14px;top:10px;opacity:.6}
.fz-pair{display:flex;gap:4px}.fz-char{display:inline-block;width:84px;height:84px}.fz-char svg{width:100%;height:100%}
.fz-talk{display:flex;gap:10px;align-items:flex-start;background:linear-gradient(135deg,#FFF7FC,#F5F0FF)}
.fz-talk .fz-char{flex:none;width:72px;height:72px}.fz-talk .bubble{background:#fff;border-radius:4px 14px 14px 14px;padding:10px 12px;border:1px solid #F1D7E8}
.fz-trail .stn-t small.muted{font-weight:400;color:var(--ink-2);margin-top:2px}
.sib{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center}
@media (max-width:560px){.sib{grid-template-columns:1fr}.gd-btn .gd-l{display:none}}
/* v19 — মোটো ব্যান্ড (সব পাতায়) ও স্পষ্ট লেখা */
.motto-band{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:4px 10px;padding:6px 16px;background:linear-gradient(90deg,#5E0203,#8A0304 50%,#5E0203);color:#FFF6E6;text-align:center;font-family:"Noto Serif Bengali","Hind Siliguri",serif;font-size:.92rem;line-height:1.35}
.motto-band .mb-1{font-weight:700}.motto-band .mb-2{color:#E9CE96;font-weight:600}.motto-band .mb-dot{color:#E9CE96;font-size:.75rem}
@media (max-width:560px){.motto-band{font-size:.8rem;padding:5px 10px}.motto-band .mb-dot{display:none}.motto-band span{width:100%}}
/* গাইড: সবসময় নিজস্ব স্পষ্ট রং */
.gd-panel,.gd-panel .gd-b,.gd-head b,.gd-form input,.gd-hi{color:#2B2140}
.gd-panel .gd-b b{color:#6B2C5A}.gd-panel .gd-ahir .gd-b b{color:#2C4A8A}
.gd-panel .gd-me .gd-b{color:#fff}.gd-panel .gd-b a{color:#8A0304}
.gd-form input{background:#fff}.gd-form input::placeholder{color:#8E7A88}
.gd-wait{color:#7A4A6C}
.fz-hero,.fz-hero h1,.fz-hero h2,.fz-hero p,.fz-hero .lead{color:#2B2140}
.fz-talk,.fz-talk .bubble{color:#2B2140}
.gd-chip{color:#6B2C5A}
/* v20 — বড়দের কোর্স, লাইভ আড্ডাঘর, AI সঙ্গী */
.chatbox{display:flex;flex-direction:column;gap:8px;padding:12px}
.chat-log{height:min(60vh,520px);overflow:auto;display:flex;flex-direction:column;gap:8px;padding:6px;background:#FBF8F5;border-radius:12px;border:1px solid var(--line)}
.cm{align-self:flex-start;max-width:85%;background:#fff;border:1px solid var(--line);border-radius:4px 14px 14px 14px;padding:7px 11px;color:#2B2140}
.cm.mine{align-self:flex-end;background:#FCEFEF;border-color:#EBCACA;border-radius:14px 4px 14px 14px}
.cm p{margin:2px 0;font-size:1.02rem}.cm-h{font-size:.82rem}.cm-h small{color:#8A7B76}
.cm-badge{background:#E4EFE7;color:#1F6B3A;border-radius:99px;padding:0 7px;font-size:.72rem;font-weight:600}
.cm-act{display:flex;gap:6px}.cm-act button{border:0;background:none;color:#8A7B76;font:inherit;font-size:.76rem;cursor:pointer;padding:0}
.chat-form{display:flex;gap:6px}.chat-form input{flex:1;min-width:0;border:1.5px solid var(--line);border-radius:99px;padding:9px 14px;font:inherit}
.tfix{margin-top:4px;padding:5px 8px;border-radius:8px;font-size:.88rem}.tfix.bad{background:#FFF3E0;color:#6A3D00}.tfix.good{background:#E4EFE7;color:#1F6B3A}
.speak-out p{margin:2px 0}
/* v21 — শিশুদের গল্পের কোর্স */
.story-line{display:flex;gap:10px;align-items:flex-start}
.sl-who{flex:none;width:70px;text-align:center;font-size:.8rem}.sl-who .fz-char{width:60px;height:60px}
.sl-body{flex:1;min-width:0}
.nocopy{user-select:none;-webkit-user-select:none}
.kids-drill .opt{font-size:1.1rem}
/* v22 — মেরুন ও সাদা: পরিষ্কার সাদা পটভূমি, মেরুন রং, বড় মোটো */
.motto{background:linear-gradient(160deg,#8A0304 0%,#6A0203 100%)!important;color:#fff!important}
.motto-h{color:#fff!important;font-size:clamp(2.1rem,8.5vw,3.6rem)!important;line-height:1.2!important;text-shadow:0 2px 10px rgba(0,0,0,.18)}
.motto-sub{color:#fff!important;border-color:rgba(255,255,255,.55)!important;font-size:clamp(1.15rem,4.4vw,1.6rem)!important;font-weight:700!important;padding:10px 20px!important}
.motto::before,.motto::after{border-color:rgba(255,255,255,.08)!important}
.motto-band{background:#8A0304!important;color:#fff!important;font-size:1rem!important;font-weight:700;padding:8px 16px!important}
.motto-band .mb-2,.motto-band .mb-dot{color:#fff!important;opacity:.92}
@media (max-width:560px){.motto-band{font-size:.88rem!important}}
:root{--bg:#FFFFFF;--card:#FFFFFF;--line:#EAD7D7;--brand-t:#FBEDED;--gold:#8A0304;--hair:#D9B3B3;--warn-t:#FBF1E8}
body{background:#fff}
.card{border-color:#EAD7D7}
.btn{background:#8A0304;color:#fff}.btn-ghost{background:#fff;color:#8A0304;border:1.5px solid #8A0304}
header,.site-header,.topbar,.whatsnew,.hero-mini,.card{background:#fff!important}
.whatsnew{border:1.5px solid #EAD7D7!important;border-left:5px solid #8A0304!important}
footer,.site-footer{background:#8A0304;color:#fff}footer a,.site-footer a{color:#fff}
footer.footer{background:#8A0304!important;border-top:0!important}footer.footer,footer.footer *{color:#fff!important}