/* Coco Tech Lab & Le Club Français dashboards: shared layout, two themes */
:root{--bg:#f7f5ff;--card:#fff;--ink:#140d26;--muted:#6b6487;--line:rgba(20,13,38,.1);--line2:rgba(20,13,38,.14);--accent:#7c5cff;--accent2:#21d4b4;--top:#140d26;--topInk:#fff;--good:#2fbf71;--bad:#ff5d7a;--warn:#f0a93b;--head:'Space Grotesk',Inter,Cairo,sans-serif;--soft:#efeaff}
body[data-track=french]{--bg:#fbf6ef;--ink:#2a1218;--muted:#7b6260;--line:rgba(62,15,27,.1);--line2:rgba(62,15,27,.15);--accent:#8a1c33;--accent2:#c9a227;--top:#3e0f1b;--soft:#f6e7dc;--head:'Playfair Display',Georgia,Cairo,serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Cairo,system-ui,sans-serif;line-height:1.55;min-height:100vh}
html[lang=ar] body{font-family:Cairo,Inter,system-ui,sans-serif}
h1,h2,h3{font-family:var(--head);line-height:1.2;margin:0 0 6px}
html[lang=ar] h1,html[lang=ar] h2,html[lang=ar] h3{font-family:Cairo,sans-serif}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
[hidden]{display:none!important}
.muted{color:var(--muted)} .small{font-size:.85rem} .center{text-align:center;justify-content:center} .grow{flex:1;min-width:0}
.row{display:flex;align-items:center} .row.gap{gap:10px} .row.wrap,.wrap{flex-wrap:wrap} .between{justify-content:space-between;gap:10px} .col{flex-direction:column;align-items:stretch}
/* top bar */
.top{background:var(--top);color:var(--topInk);position:sticky;top:0;z-index:20}
.top .in{max-width:1180px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;min-width:0}
.brand img{width:36px;height:36px;border-radius:10px;object-fit:cover;background:#fff}
.brand b{display:block;font-family:var(--head);font-size:1.02rem;white-space:nowrap}
.brand small{display:block;opacity:.7;font-size:.72rem;white-space:nowrap}
.top .sp{flex:1}
.who{display:flex;flex-direction:column;align-items:flex-end;line-height:1.15;font-size:.85rem}
.who small{opacity:.7;font-size:.72rem}
.tbtn{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#fff;border-radius:10px;padding:7px 11px;cursor:pointer;font-size:.82rem;text-decoration:none;white-space:nowrap}
.tbtn:hover{background:rgba(255,255,255,.2)}
/* layout */
.app{max-width:1180px;margin:0 auto;padding:18px 16px 60px;display:grid;grid-template-columns:220px 1fr;gap:22px;align-items:start}
.app.solo{grid-template-columns:1fr}
.tabs{position:sticky;top:76px;display:flex;flex-direction:column;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:8px}
.tabs button{display:flex;align-items:center;gap:10px;border:0;background:none;padding:10px 12px;border-radius:12px;cursor:pointer;font-weight:600;text-align:start}
.tabs button span{font-size:1.15rem}
.tabs button:hover{background:var(--soft)}
.tabs button.on{background:var(--accent);color:#fff}
main{min-width:0}
@media(max-width:860px){
  .app{grid-template-columns:1fr;padding-top:10px;gap:12px}
  .tabs{top:56px;flex-direction:row;overflow-x:auto;padding:6px;border-radius:14px;z-index:10;scrollbar-width:none}
  .tabs::-webkit-scrollbar{display:none}
  .tabs button{flex:none;padding:8px 11px;font-size:.85rem;gap:6px}
  .who{display:none}
  .brand small{display:none}
}
/* building blocks */
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:18px;margin-bottom:14px;box-shadow:0 10px 30px -24px rgba(20,13,38,.35)}
.head{margin:4px 0 14px}
.head h2{font-size:1.45rem}
.head p{margin:2px 0 0}
.sec{margin:18px 0 8px;font-size:1.05rem} .sec small{color:var(--muted);font-weight:600}
.kick{display:inline-block;font:700 .72rem var(--head);letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:4px}
html[lang=ar] .kick{letter-spacing:0;font-family:Cairo,sans-serif;font-size:.8rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1.5px solid transparent;border-radius:12px;padding:10px 16px;font-weight:700;cursor:pointer;text-decoration:none;transition:transform .12s,box-shadow .12s;font-size:.93rem}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.6;cursor:wait}
.btn.main{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px var(--accent)}
.btn.dark{background:var(--ink);color:#fff}
.btn.ghost{background:var(--card);border-color:var(--line2)}
.btn.bad{background:#fff0f3;border-color:#ffc2cd;color:#b3203d}
.btn.sm{padding:6px 11px;font-size:.84rem;border-radius:10px}
.btn.wide{width:100%}
.btn.file{position:relative;overflow:hidden}
.link{background:none;border:0;padding:4px 0;cursor:pointer;color:var(--accent);font-weight:700}
.link.danger{color:#c0304b}
.pill{display:inline-flex;align-items:center;gap:4px;background:var(--soft);border-radius:999px;padding:3px 10px;font-size:.78rem;font-weight:700;white-space:nowrap;text-decoration:none}
.pill.good{background:#dcfbe9;color:#167445} .pill.bad{background:#ffe3e8;color:#a3213b} .pill.warn{background:#fff1d6;color:#8a5a00}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}
.chips button{border:1.5px solid var(--line2);background:var(--card);border-radius:999px;padding:6px 12px;cursor:pointer;font-weight:600;font-size:.86rem}
.chips button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.note{background:#fff6dc;border:1px solid #f3dc9b;border-radius:12px;padding:10px 12px;font-size:.9rem}
.msg{font-weight:600;margin:10px 0 0;min-height:1.2em}
.okc{color:#178a4f} .noc{color:#c0304b} .mid{color:#b07800}
.empty{text-align:center;padding:40px 18px;background:var(--card);border:1.5px dashed var(--line2);border-radius:20px}
.empty span{font-size:2.6rem;display:block}
.empty p{color:var(--muted);max-width:420px;margin:8px auto 14px}
.loading{text-align:center;font-size:2.4rem;padding:50px;animation:bob 1s ease-in-out infinite alternate}
@keyframes bob{to{transform:translateY(-8px)}}
.big{font-size:2rem;line-height:1}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
@media(max-width:620px){.grid2{grid-template-columns:1fr}}
/* forms */
.form{display:flex;flex-direction:column;gap:12px}
.form label{display:flex;flex-direction:column;gap:5px;font-weight:600;font-size:.9rem}
.form label.short{max-width:240px}
input,select,textarea{border:1.5px solid var(--line2);border-radius:12px;padding:10px 12px;background:#fff;width:100%;font-size:.95rem}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
textarea.mono,.editor,.code,.console{font-family:ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace}
.form.inline{flex-direction:row;flex-wrap:wrap;align-items:center}
.form.inline input{flex:1;min-width:160px;width:auto}
.err{color:#c0304b;font-weight:600;margin:0;min-height:1em}
input[type=radio],input[type=checkbox]{width:auto}
input[type=range]{padding:0;border:0;accent-color:var(--accent)}
fieldset{border:1.5px solid var(--line2);border-radius:14px;padding:10px 14px;margin:0}
legend{font-weight:700;padding:0 6px}
.pay label{flex-direction:row;align-items:center;gap:8px;font-weight:600;padding:4px 0}
.search{max-width:220px}
/* auth */
.auth{display:grid;grid-template-columns:1.1fr 1fr;gap:26px;align-items:center;max-width:980px;margin:10px auto}
.auth-side h1{font-size:clamp(1.6rem,3.4vw,2.4rem)}
.auth-side ul{list-style:none;padding:0;margin:16px 0;display:grid;gap:10px}
.auth-side li{display:flex;gap:10px;align-items:center;font-weight:600;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px 12px}
.auth-side li span{font-size:1.3rem}
.mascot{font-size:3rem;display:block;margin-bottom:6px}
.seg{display:grid;grid-template-columns:1fr 1fr;background:var(--soft);border-radius:12px;padding:4px;margin-bottom:14px}
.seg button{border:0;background:none;border-radius:9px;padding:9px;font-weight:700;cursor:pointer}
.seg button.on{background:var(--card);box-shadow:0 4px 12px -6px rgba(0,0,0,.25)}
@media(max-width:760px){.auth{grid-template-columns:1fr}.auth-side ul{display:none}}
/* home */
.hello h1{font-size:1.7rem}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-bottom:14px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px;display:flex;flex-direction:column}
.stat i{font-style:normal;font-size:1.5rem}
.stat b{font:800 1.7rem var(--head);line-height:1.1}
.stat span{color:var(--muted);font-size:.82rem;font-weight:600}
.stat.fire{background:linear-gradient(135deg,#fff3e2,#ffe1ec);border-color:#ffd2b5}
body[data-track=french] .stat.fire{background:linear-gradient(135deg,#fff4e0,#f8e3d3)}
.live{display:flex;align-items:center;gap:14px;flex-wrap:wrap;background:linear-gradient(120deg,var(--soft),var(--card))}
.next{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.next b{display:block;font-size:1.05rem}
.daily .opts{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.daily .opts button{border:1.5px solid var(--line2);background:#fff;border-radius:12px;padding:9px 14px;cursor:pointer;font-weight:700}
.daily .opts button.ok{background:#dcfbe9;border-color:var(--good)} .daily .opts button.no{background:#ffe3e8;border-color:var(--bad)}
.daily.done{display:flex;gap:14px;align-items:center}
.hero-join{text-align:center;padding:34px 20px}
.badges{display:flex;flex-wrap:wrap;gap:8px}
.badge{display:flex;align-items:center;gap:6px;border:1.5px dashed var(--line2);border-radius:999px;padding:5px 11px;font-size:.8rem;font-weight:700;color:var(--muted);filter:grayscale(1);opacity:.6}
.badge i{font-style:normal;font-size:1.05rem}
.badge.got{filter:none;opacity:1;border-style:solid;border-color:var(--accent2);color:var(--ink);background:var(--soft)}
.code{background:#140d26;color:#e9e4ff;border-radius:14px;padding:12px 14px;white-space:pre-wrap;word-break:break-word;direction:ltr;text-align:left;font-size:.9rem;margin:10px 0;overflow-x:auto}
.code.prose{font-family:inherit;background:var(--soft);color:var(--ink);direction:auto;text-align:start}
/* skill map */
.map{position:relative;display:flex;flex-direction:column;gap:14px;padding:10px 0 10px;max-width:560px;margin:0 auto}
.map::before{content:'';position:absolute;inset:20px auto 20px 50%;border-left:4px dotted var(--line2);transform:translateX(-2px)}
.node{position:relative;display:flex;align-items:center;gap:12px;width:calc(50% + 32px);border:0;background:none;padding:0;cursor:pointer;text-align:start}
.node{flex-direction:row-reverse;text-align:end}
.node.r{align-self:flex-end;flex-direction:row;text-align:start}
.node .dot{flex:none;width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-size:1.6rem;background:#fff;border:4px solid var(--line2);box-shadow:0 10px 22px -14px rgba(0,0,0,.5);transition:transform .15s;z-index:1}
.node:hover .dot{transform:scale(1.07)}
.node .lbl{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:8px 12px;min-width:0;flex:1}
.node .lbl b{display:block;font-size:.92rem} .node .lbl small{color:var(--muted);font-size:.76rem}
.node.s-done .dot{background:linear-gradient(135deg,#ffe28a,#ffc64a);border-color:#f0a93b}
.node.s-wait .dot{border-color:var(--warn)}
.node.s-next .dot{border-color:var(--accent);animation:pulse 1.6s infinite}
.node.finish{align-self:center;width:auto;flex-direction:column;cursor:default}
.node.finish .dot{background:var(--ink);border-color:var(--accent2)}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 55%,transparent)}100%{box-shadow:0 0 0 16px transparent}}
/* lists */
.list{display:flex;flex-direction:column;gap:8px}
.item{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px 14px;text-align:start;cursor:default;width:100%}
button.item,label.item{cursor:pointer}
button.item:hover{border-color:var(--accent)}
.item .ic{font-size:1.4rem;flex:none}
.item b{display:block} .item small{display:block;color:var(--muted);font-size:.8rem}
.item.col{align-items:stretch;gap:8px}
.mini-stats{font-weight:700;font-size:.88rem;align-items:center}
.lvl{display:flex;align-items:center;gap:6px;font-size:.85rem;font-weight:600}
.lvl select{width:auto;padding:4px 8px;border-radius:8px}
.stamp-row{display:inline-flex;gap:3px}
.stamp-row .st{border:1.5px dashed var(--line2);background:#fff;border-radius:50%;width:32px;height:32px;cursor:pointer;filter:grayscale(1);opacity:.55;padding:0}
.stamp-row .st.got{filter:none;opacity:1;border:2px solid var(--accent);background:var(--soft)}
.switch{position:relative;flex:none}
.switch input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.switch i{display:block;width:44px;height:26px;border-radius:99px;background:var(--line2);transition:.2s;position:relative}
.switch i::after{content:'';position:absolute;top:3px;inset-inline-start:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:.2s}
.switch input:checked+i{background:var(--good)}
.switch input:checked+i::after{inset-inline-start:21px}
.switch input:focus-visible+i{outline:2px solid var(--accent);outline-offset:2px}
.share{display:flex;flex-direction:column;gap:10px}
.share code{background:var(--soft);padding:8px 10px;border-radius:10px;font-size:.82rem;word-break:break-all}
/* task */
.task .body{background:var(--soft);border-radius:14px;padding:12px 14px;margin:10px 0}
.graded{border:2px solid var(--good);background:#effcf4;border-radius:16px;padding:12px 14px;margin:10px 0}
.graded p{margin:6px 0 0}
.ide{border-radius:16px;overflow:hidden;border:1px solid #2b2147;margin:12px 0;background:#140d26}
.ide-bar{display:flex;align-items:center;gap:10px;padding:8px 10px;background:#22163d;color:#cfc6ff;font-weight:700;font-size:.85rem}
.editor{display:block;width:100%;min-height:220px;background:#140d26;color:#f1edff;border:0;border-radius:0;padding:14px;font-size:.92rem;line-height:1.6;resize:vertical;tab-size:4;text-align:left}
.editor:focus{outline:none}
.console{background:#0b0718;color:#7ff3c6;margin:0;padding:12px 14px;min-height:56px;white-space:pre-wrap;word-break:break-word;font-size:.88rem;text-align:left;direction:ltr;border-radius:0}
.grid2 .console{border-radius:12px}
.quiz{display:flex;flex-direction:column;gap:12px;margin-top:10px}
.opt{display:flex!important;flex-direction:row!important;align-items:center;gap:8px;padding:6px 4px;cursor:pointer;font-weight:500}
.fr-say{font:600 1.3rem var(--head);margin:10px 0;direction:ltr;text-align:center}
.rec{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:10px}
.rec audio{max-width:100%}
.rec-on{background:#e0244a!important;color:#fff!important;animation:pulse 1.2s infinite}
/* French */
.passport{background:linear-gradient(160deg,#3e0f1b,#6b1a2e);border-radius:22px;padding:16px;color:#f8e9d8;margin-bottom:14px;box-shadow:0 18px 40px -26px #3e0f1b}
.pp-cover{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.pp-cover span{font-size:2rem}
.pp-cover small{display:block;letter-spacing:.14em;font-size:.68rem;opacity:.75}
.pp-cover b{font:700 1.2rem 'Playfair Display',Georgia,serif}
.pp-pages{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;background:#fbf1e4;border-radius:16px;padding:14px;color:#3e0f1b}
.stamp{aspect-ratio:1;border:2.5px dashed rgba(62,15,27,.25);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:6px;transform:rotate(var(--r));opacity:.55}
.stamp .em{font-size:1.5rem;line-height:1}
.stamp b{font:700 .9rem 'Playfair Display',Georgia,serif}
.stamp small{font-size:.62rem;font-weight:700;opacity:.75}
.stamp i{font-size:.6rem;font-style:normal;opacity:.8}
.stamp.got{opacity:1;border:3px double #8a1c33;color:#8a1c33;background:rgba(138,28,51,.06)}
.stamp.cur{opacity:1;border-color:#c9a227;border-style:solid}
@media(max-width:420px){.pp-pages{gap:6px;padding:10px}.stamp b{font-size:.78rem}.stamp small{display:none}}
.flash{min-height:150px;border-radius:20px;background:var(--soft);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;margin:12px 0;padding:16px;text-align:center;transition:transform .3s}
.flash b{font:700 1.6rem var(--head);direction:ltr}
.flash span{color:var(--muted);font-weight:600}
.flash.flip{background:#fff;border:2px solid var(--accent2)}
.five{display:flex;flex-direction:column;gap:10px}
.boxes{display:inline-flex;gap:3px;flex:none}
.boxes i{width:8px;height:16px;border-radius:3px;background:var(--line2)}
.boxes i.on{background:var(--accent2)}
.phrase .msg{display:block;font-size:.88rem;margin-top:4px}
.tip{background:#fff8e6;border-color:#f3dc9b}
.gauge{width:100%;max-width:220px;color:var(--ink)}
.gauge-wrap{flex:none;width:200px;text-align:center}
.gauge-wrap.big{width:260px}
.gauge-wrap.big .gauge{max-width:260px}
.delf{display:flex;gap:20px;flex-wrap:wrap;align-items:center}
.bars{flex:1;min-width:240px;display:flex;flex-direction:column;gap:10px}
.bar{display:grid;grid-template-columns:1fr auto;gap:4px 10px;align-items:center;font-weight:600;font-size:.9rem}
.bar small{color:var(--muted)}
.bar .track{grid-column:1/-1;height:10px;background:var(--line);border-radius:99px;overflow:hidden;order:3}
.bar .track i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:99px}
.heat{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;margin-bottom:14px}
.tile{border-radius:18px;padding:14px;color:#fff;background:hsl(var(--h),68%,42%);display:flex;flex-direction:column}
.tile b{font:800 1.3rem var(--head)} .tile span{font-size:1.6rem;font-weight:800} .tile small{opacity:.9;font-size:.76rem}
/* teacher */
.kanban{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:start}
.kanban .col{background:var(--soft);border-radius:18px;padding:10px;min-height:200px;display:flex;flex-direction:column;gap:8px;transition:outline .1s}
.kanban .col.over{outline:3px dashed var(--accent)}
.kanban h3{font-size:.95rem;margin:4px 4px 2px} .kanban h3 small{color:var(--muted)}
.kcard{display:flex;flex-direction:column;gap:3px;text-align:start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px 12px;cursor:pointer;width:100%}
.kcard:hover{border-color:var(--accent)}
.kcard small{color:var(--muted);font-size:.78rem}
.kcard .row{flex-wrap:wrap;margin-top:4px}
@media(max-width:760px){.kanban{grid-template-columns:1fr}}
.sliders{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.sliders label{flex-direction:column}
.sliders output{font-weight:800;color:var(--accent)}
.radar{max-width:100%;height:auto;color:var(--ink)}
.rank{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.rank li{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px 16px}
.rank li.me{border:2px solid var(--accent);background:var(--soft)}
.rank .pos{width:32px;font-size:1.3rem;font-weight:800;text-align:center}
.rank b{flex:1} .rank .pts{font-weight:800}
.bank{display:flex;flex-direction:column;gap:6px;background:var(--soft);border-radius:14px;padding:12px}
.bank div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.bank span{color:var(--muted);font-size:.82rem;min-width:110px}
.price{font:800 1.8rem var(--head);margin:0 0 8px} .price small{font-size:.9rem;color:var(--muted)}
.child h4{margin:14px 0 6px}
.cert-mini{display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.verify{max-width:520px;margin:30px auto;text-align:center;padding:34px}
.verify.ok{border:2px solid var(--good)} .verify.bad{border:2px solid var(--bad)}
.pf-hero{text-align:center;padding:20px 0}
.pf .btn{margin-top:6px}
/* modal + toast */
dialog#modal{border:0;border-radius:22px;padding:20px;max-width:min(520px,calc(100vw - 24px));width:100%;background:var(--card);color:var(--ink);box-shadow:0 30px 80px -30px rgba(0,0,0,.6)}
dialog#modal.wide{max-width:min(760px,calc(100vw - 24px))}
dialog#modal::backdrop{background:rgba(15,10,30,.55);backdrop-filter:blur(2px)}
dialog#modal audio{width:100%;margin:8px 0}
#toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%,30px);background:var(--ink);color:#fff;padding:11px 18px;border-radius:14px;font-weight:600;opacity:0;pointer-events:none;transition:.25s;z-index:100;max-width:calc(100vw - 32px);text-align:center}
#toast.show{opacity:1;transform:translate(-50%,0)} #toast.bad{background:#b3203d}
/* certificate */
.certificate{position:relative;border:10px double var(--accent);border-radius:12px;padding:28px 22px;text-align:center;background:linear-gradient(180deg,#fff,var(--soft));margin-bottom:14px}
.certificate h1{font-size:1.8rem;margin:6px 0} .certificate h2{font-size:1.9rem;color:var(--accent);margin:8px 0} .certificate h3{font-size:1.2rem}
.certificate p{margin:4px 0;color:var(--muted)}
.cert-logo{display:block;margin:0 auto 6px;width:60px;height:60px;border-radius:14px;object-fit:cover}
.cert-foot{display:flex;justify-content:space-between;align-items:flex-end;margin-top:20px;gap:12px;text-align:start}
.cert-foot small{display:block;color:var(--muted);font-size:.72rem}
.qr{text-align:center} .qr svg{width:92px;height:92px;display:block;margin:0 auto 2px}
@media print{
  body *{visibility:hidden}
  #certPrint,#certPrint *{visibility:visible}
  #certPrint{position:fixed;inset:0;margin:0;border-radius:0}
  dialog#modal{box-shadow:none}
  .noprint{display:none}
}
/* small-screen and detail fixes */
.card.row{flex-wrap:wrap}
.head select{width:auto;max-width:280px}
.radar{overflow:visible}
@media(max-width:560px){
  #backLink{display:none}
  .stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .stat{padding:10px;border-radius:14px}
  .stat b{font-size:1.3rem} .stat span{font-size:.72rem} .stat i{font-size:1.2rem}
  .card{padding:14px;border-radius:18px}
  .gauge-wrap,.gauge-wrap.big{width:100%}
  .gauge-wrap .gauge{margin:0 auto;display:block}
}
/* ===== the fun layer ===== */
@keyframes up{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes pop{0%{transform:scale(.92)}60%{transform:scale(1.04)}100%{transform:scale(1)}}
main.enter>*{animation:up .45s cubic-bezier(.2,.8,.2,1) both}
main.enter>*:nth-child(2){animation-delay:.05s} main.enter>*:nth-child(3){animation-delay:.1s} main.enter>*:nth-child(4){animation-delay:.15s} main.enter>*:nth-child(5){animation-delay:.2s} main.enter>*:nth-child(n+6){animation-delay:.25s}
.card,.stat,.item,.kcard{transition:transform .18s,box-shadow .18s,border-color .18s}
.stat:hover,.card.next:hover,.cert-mini:hover{transform:translateY(-3px);box-shadow:0 16px 30px -22px rgba(20,13,38,.5)}
.nb{display:inline-grid;place-items:center;min-width:19px;height:19px;padding:0 5px;border-radius:99px;background:#ff3d6b;color:#fff;font:800 .7rem Inter,sans-serif;font-style:normal;margin-inline-start:auto}
.tabs button .nb{margin-inline-start:auto}
.tabs button.on .nb{background:#fff;color:var(--accent)}
.bell{position:relative;font-size:1rem;padding:6px 10px}
.bell .nb{position:absolute;top:-6px;inset-inline-end:-6px;margin:0;animation:pop .4s}
.hello{display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.xp{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:10px 14px 10px 10px;position:relative}
.xp svg{width:72px;height:72px;transform:rotate(-90deg)}
.xp-bg{fill:none;stroke:var(--line);stroke-width:8}
.xp-fg{fill:none;stroke:url(#none) var(--accent);stroke:var(--accent);stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset 1.2s cubic-bezier(.2,.8,.2,1)}
.xp-in{position:absolute;width:72px;height:72px;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}
html[dir=rtl] .xp{padding:10px 10px 10px 14px}
.xp-in small{font-size:.6rem;color:var(--muted);font-weight:700;text-transform:uppercase}
.xp-in b{font:800 1.5rem var(--head)}
.xp-cap{font-weight:800;font-size:.92rem;display:flex;flex-direction:column}
.xp-cap small{color:var(--muted);font-weight:600;font-size:.74rem}
.coco-tip{display:flex;align-items:flex-start;gap:10px;border:0;background:none;padding:0;margin-top:10px;cursor:pointer;text-align:start;max-width:560px}
.coco-face{font-size:1.9rem;line-height:1;animation:bob 1.4s ease-in-out infinite alternate}
.bub{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:9px 13px;font-size:.9rem;font-weight:600;box-shadow:0 8px 20px -16px rgba(0,0,0,.4)}
.bub::before{content:'';position:absolute;top:12px;inset-inline-start:-7px;width:12px;height:12px;background:var(--card);border-inline-start:1px solid var(--line);border-bottom:1px solid var(--line);transform:rotate(45deg)}
html[dir=rtl] .bub::before{transform:rotate(-45deg)}
.coco-tip.pop .bub{animation:pop .35s}
.strip .cells{display:grid;grid-template-columns:repeat(21,1fr);gap:4px;margin-top:10px}
.strip .cells i{aspect-ratio:1;border-radius:5px;background:var(--line)}
.strip .cells i.lv1{background:color-mix(in srgb,var(--accent2) 45%,#fff)} .strip .cells i.lv2{background:var(--accent2)} .strip .cells i.lv3{background:var(--accent)}
.strip .cells i.today{outline:2px solid var(--ink);outline-offset:1px}
.announce{display:flex;align-items:center;gap:10px;background:linear-gradient(100deg,var(--accent),color-mix(in srgb,var(--accent) 55%,var(--accent2)));color:#fff;border-radius:18px;padding:10px 12px;margin-bottom:14px;overflow:hidden}
.ann-k{font-weight:800;white-space:nowrap;animation:pop 1.6s infinite}
.ann-list{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;flex:1}
.ann-list::-webkit-scrollbar{display:none}
.ann{flex:none;display:flex;flex-direction:column;align-items:flex-start;gap:2px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:12px;padding:7px 12px;cursor:pointer;text-align:start}
.ann:hover{background:rgba(255,255,255,.26)}
.ann small{opacity:.9;font-size:.76rem}
.ann .pill{font-size:.68rem;padding:1px 7px}
/* chat */
.chat-wrap{display:grid;grid-template-columns:1fr;gap:12px}
.chat-wrap.with-inbox{grid-template-columns:260px 1fr}
@media(max-width:760px){.chat-wrap.with-inbox{grid-template-columns:1fr}.inbox{max-height:220px}}
.inbox{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:6px;display:flex;flex-direction:column;gap:2px;max-height:620px;overflow:auto}
.ib{display:flex;align-items:center;gap:10px;border:0;background:none;border-radius:12px;padding:9px;cursor:pointer;text-align:start;width:100%}
.ib:hover{background:var(--soft)} .ib.on{background:var(--soft);box-shadow:inset 3px 0 0 var(--accent)}
html[dir=rtl] .ib.on{box-shadow:inset -3px 0 0 var(--accent)}
.ib b{display:block;font-size:.9rem} .ib small{display:block;color:var(--muted);font-size:.76rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.av{flex:none;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:800}
.chat{background:var(--card);border:1px solid var(--line);border-radius:20px;display:flex;flex-direction:column;min-height:460px;overflow:hidden}
.chat>.chips{padding:10px 12px 0;margin:0}
.chat-h{padding:12px 16px;border-bottom:1px solid var(--line);display:flex;align-items:baseline;gap:8px}
.bubbles{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:6px;max-height:56vh;background:radial-gradient(circle at 10% 10%,var(--soft),transparent 40%)}
.chat-empty{margin:auto}
.day{align-self:center;font-size:.72rem;color:var(--muted);background:var(--soft);border-radius:99px;padding:2px 10px;margin:6px 0}
.bub-row{display:flex}
.bub-row.me{justify-content:flex-end}
.bubble{max-width:78%;background:var(--soft);border-radius:16px 16px 16px 4px;padding:8px 12px;animation:up .25s both}
html[dir=rtl] .bubble{border-radius:16px 16px 4px 16px}
.bub-row.me .bubble{background:var(--accent);color:#fff;border-radius:16px 16px 4px 16px}
html[dir=rtl] .bub-row.me .bubble{border-radius:16px 16px 16px 4px}
.bubble.r-teacher:not(.private){border:1.5px solid color-mix(in srgb,var(--accent) 35%,transparent)}
.bubble.private{background:#fff6dc;color:var(--ink);border:1.5px dashed #e0b84c}
.bub-row.me .bubble.private{background:#fff0c2;color:var(--ink)}
.bubble p{margin:0;white-space:pre-wrap;word-break:break-word}
.bubble .from{display:block;font-size:.72rem;font-weight:700;opacity:.75;margin-bottom:2px}
.bubble time{display:block;font-size:.66rem;opacity:.65;text-align:end;margin-top:2px}
.composer{border-top:1px solid var(--line);padding:10px;display:flex;flex-direction:column;gap:8px}
.composer textarea{resize:none;min-height:44px;border-radius:14px}
.composer .btn{flex:none;width:48px;height:44px;padding:0;font-size:1.1rem}
html[dir=rtl] .composer .btn{transform:scaleX(-1)}
.quick{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
.quick button{flex:none;border:1px solid var(--line2);background:var(--bg);border-radius:99px;padding:4px 10px;font-size:.8rem;cursor:pointer}
.priv{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:700;color:#8a5a00}
/* course manager */
.seg3{display:inline-flex;background:var(--soft);border-radius:12px;padding:3px;gap:2px}
.seg3 button{border:0;background:none;border-radius:9px;padding:6px 10px;cursor:pointer;font-weight:700;font-size:.82rem;white-space:nowrap}
.seg3 button.on{background:var(--card);box-shadow:0 3px 10px -5px rgba(0,0,0,.35)}
.cm.s-hidden{opacity:.65;background:repeating-linear-gradient(135deg,var(--card) 0 12px,var(--bg) 12px 24px)}
.cm.s-soon{border-color:#f3dc9b}
.switch-l{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.88rem;cursor:pointer}
.note-in{padding:7px 10px;font-size:.86rem;min-width:180px}
@media(prefers-reduced-motion:reduce){main.enter>*,.bubble,.coco-face,.ann-k,.node.s-next .dot{animation:none!important}}
.cm-bar{margin-bottom:6px}.cm-bar .chips{margin:0}
/* ===== Tech Lab: bright AI look ===== */
body[data-track=tech]{background:radial-gradient(900px 500px at 100% 0,rgba(124,92,255,.12),transparent 60%),radial-gradient(800px 500px at 0 100%,rgba(33,212,180,.1),transparent 60%),radial-gradient(rgba(124,92,255,.12) 1px,transparent 1px) 0 0/22px 22px,#f7f5ff;background-attachment:fixed}
body[data-track=tech] .top{background:linear-gradient(100deg,#170f3a,#2a1a6e 50%,#0d4a4a);background-size:200% 100%;animation:tAur 14s ease-in-out infinite alternate}
@keyframes tAur{to{background-position:100% 0}}
body[data-track=tech] .tabs button.on{background:linear-gradient(90deg,#7c5cff,#21d4b4);box-shadow:0 10px 22px -12px #7c5cff}
body[data-track=tech] .btn.main{background:linear-gradient(90deg,#7c5cff,#5a8cff 50%,#21d4b4);background-size:200% 100%;transition:background-position .4s,transform .12s}
body[data-track=tech] .btn.main:hover{background-position:100% 0}
body[data-track=tech] .stat.fire{background:linear-gradient(135deg,#efeaff,#dffaf5);border-color:#cfc3ff}
body[data-track=tech] .hello h1{background:linear-gradient(90deg,#140d26,#7c5cff 60%,#21d4b4);-webkit-background-clip:text;background-clip:text;color:transparent}
body[data-track=tech] .card:hover{box-shadow:0 18px 40px -26px rgba(124,92,255,.7)}
.auth-vid{position:relative;width:min(240px,70%);aspect-ratio:9/16;border-radius:28px;padding:8px;background:linear-gradient(145deg,#7c5cff,#21d4b4);box-shadow:0 0 60px -10px rgba(124,92,255,.8),0 30px 60px -30px #000;margin-bottom:16px;animation:bob 3s ease-in-out infinite alternate}
.auth-vid video{width:100%;height:100%;object-fit:cover;border-radius:22px;display:block;background:#000}
.auth-vid span{position:absolute;top:18px;inset-inline-start:18px;background:rgba(0,0,0,.55);color:#fff;border-radius:99px;padding:3px 10px;font:800 .7rem Inter,sans-serif;display:flex;align-items:center;gap:6px}
.auth-vid span i{width:7px;height:7px;border-radius:50%;background:#ff3d6b}
@media(max-width:760px){.auth-vid{width:160px;margin:0 auto 12px}.auth-side{text-align:center}}
@media(prefers-reduced-motion:reduce){body[data-track=tech] .top,.auth-vid{animation:none}}
/* add a course / Coco questions */
.add-course summary{cursor:pointer;font-weight:800;list-style:none;display:flex;align-items:center;gap:8px}
.add-course summary::-webkit-details-marker{display:none}
.add-course[open] summary{margin-bottom:12px}
.grid3.tight{grid-template-columns:120px 1fr 1fr}
@media(max-width:620px){.grid3.tight{grid-template-columns:1fr 1fr}}
.faq-q .fq{font-weight:700;font-size:1.02rem;margin:0 0 10px}
details.item summary{cursor:pointer}