/* ===== Study theme (Lernprofil): helles Papier, Petrol als Akzent, Textmarker-Gelb für „Wissen“. Dunkel per System-Einstellung. ===== */
[data-theme=study]{
  color-scheme:light;
  --bg:#F5F4EF; --side:#EFEEE7; --card:#FFFFFF; --card2:#F8F7F3; --card3:#EEEDE6;
  --line:#E4E2D9; --line2:#D3D0C4;
  --text:#1C2027; --muted:#5D636E; --faint:#979CA5;
  --acc:#0E6B6B; --acc2:#0A5757; --acc-ink:#FFFFFF; --acc-soft:rgba(14,107,107,.08); --acc-line:rgba(14,107,107,.32);
  --good:#2F7D4F; --know:#E2A41C;
  --bad:#B83D36; --bad-soft:rgba(184,61,54,.08); --warn:#A86A12; --warn-soft:rgba(206,140,30,.13);
  --info:#2E66AE; --violet:#6E54B8;
  --codebg:#1E232B; --codefg:#E4E7EC;
  --r:12px; --r-sm:8px;
  --shadow:0 1px 2px rgba(30,30,20,.04), 0 6px 20px rgba(30,30,20,.05);
}
@media (prefers-color-scheme:dark){
  [data-theme=study]{
    color-scheme:dark;
    --bg:#121417; --side:#15181B; --card:#1B1F24; --card2:#20252B; --card3:#272D34;
    --line:#2A3037; --line2:#38414B;
    --text:#E6E8EB; --muted:#9BA3AD; --faint:#69727D;
    --acc:#4FBFB5; --acc2:#6FD3C9; --acc-ink:#062220; --acc-soft:rgba(79,191,181,.11); --acc-line:rgba(79,191,181,.38);
    --good:#5CC48A; --know:#E8B53E;
    --bad:#EF6B63; --bad-soft:rgba(239,107,99,.12); --warn:#E6AE4E; --warn-soft:rgba(230,174,78,.13);
    --info:#6EA3F0; --violet:#A893F0;
    --codebg:#0E1114; --codefg:#DDE3EA;
    --shadow:none;
  }
}
[data-theme=study] body{background:var(--bg);font-size:15.5px}
[data-theme=study] h1{font-size:30px;font-weight:650;letter-spacing:-.02em}
[data-theme=study] h2{font-size:19px}
[data-theme=study] .card{box-shadow:var(--shadow)}
[data-theme=study] .logo{background:var(--acc);color:var(--acc-ink);border-radius:9px}
[data-theme=study] .btn:hover{border-color:var(--line2);background:var(--card3)}
[data-theme=study] .btn.pri:hover{background:var(--acc2);border-color:var(--acc2)}
[data-theme=study] .btn.ghost:hover{background:var(--card3)}
[data-theme=study] .opt{background:var(--card)}
[data-theme=study] .opt:hover:not(:disabled){border-color:var(--acc-line);background:var(--card2)}
[data-theme=study] .opt.ok{border-color:var(--good);background:color-mix(in srgb,var(--good) 10%,transparent);animation:none}
[data-theme=study] .why{border-left-color:var(--good)}
[data-theme=study] .why.bad{border-left-color:var(--bad)}
[data-theme=study] code{background:var(--card3);color:var(--text)}
[data-theme=study] .codeq{background:var(--codebg);color:var(--codefg);border-color:transparent}
[data-theme=study] .lesson-main pre,[data-theme=study] .body pre{background:var(--codebg);color:var(--codefg);border-radius:10px;padding:12px 14px;overflow-x:auto;font:13px/1.6 var(--f-mono);margin:10px 0}
[data-theme=study] .lesson-main pre code,[data-theme=study] .body pre code{background:none;color:inherit;padding:0;font-size:inherit}
[data-theme=study] .body ul,[data-theme=study] .body ol{padding-left:20px;margin:8px 0}
[data-theme=study] .body li+li{margin-top:4px}
[data-theme=study] .dt{background:var(--card)}
[data-theme=study] .callout{background:var(--acc-soft)}
[data-theme=study] .toast{box-shadow:0 10px 30px rgba(20,20,10,.14)}
[data-theme=study] .side.open{box-shadow:0 0 0 100vmax rgba(20,22,26,.4)}
[data-theme=study] .modal-back{background:rgba(20,22,26,.42)}
[data-theme=study] .m1{--m:#C98A1E} [data-theme=study] .m2{--m:#B3A024} [data-theme=study] .m3{--m:#5E9E4A} [data-theme=study] .m4{--m:var(--acc)}
[data-theme=study] .xpfloat{display:none}

/* shell */
[data-theme=study] .side{background:var(--side);gap:14px}
[data-theme=study] .nav .lbl{padding:14px 10px 4px;font-size:10.5px;color:var(--faint)}
[data-theme=study] .nav button{color:var(--muted);font-size:14.5px;padding:7px 10px}
[data-theme=study] .nav button:hover{background:var(--card3)}
[data-theme=study] .nav button.on{background:var(--card);color:var(--text);font-weight:600;box-shadow:var(--shadow);border:1px solid var(--line)}
[data-theme=study] .nav button.on .ni{color:var(--acc)}
[data-theme=study] .nav .badge{background:var(--acc);color:var(--acc-ink)}
[data-theme=study] .nav .badge.warn{background:var(--warn-soft);color:var(--warn)}
[data-theme=study] .me{background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;padding:12px 4px 0}
[data-theme=study] .avatar{background:var(--acc-soft);color:var(--acc);border-color:var(--acc-line)}
@media (max-width:860px){
  [data-theme=study] .topbar{background:color-mix(in srgb,var(--bg) 92%,transparent)}
  [data-theme=study] .bottom-nav{background:color-mix(in srgb,var(--card) 96%,transparent)}
}
.bottom-nav .ni{position:relative}
.bdot{position:absolute;top:-1px;right:-6px;width:7px;height:7px;border-radius:50%;background:var(--acc)}

/* building blocks */
.ccode{display:inline-flex;align-items:center;font:600 11px/1 var(--f-mono);letter-spacing:.02em;padding:4px 7px;border-radius:6px;white-space:nowrap;color:color-mix(in srgb,var(--c) 72%,var(--text));background:color-mix(in srgb,var(--c) 11%,transparent);border:1px solid color-mix(in srgb,var(--c) 32%,transparent)}
.pbar{height:6px;border-radius:6px;background:var(--card3);overflow:hidden}
.pbar>i{display:block;height:100%;border-radius:6px;background:var(--acc);transition:width .5s}
.list{display:flex;flex-direction:column;padding:4px 0}
.card.list{padding:4px 6px}
.lrow,.crow,.trow{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:none;border:0;border-radius:9px;padding:10px 10px;color:inherit;cursor:pointer}
.trow{cursor:default}
.lrow+.lrow,.crow+.crow,.trow+.trow{border-top:1px solid var(--line);border-radius:0}
.lrow:hover,.crow:hover{background:var(--card2)}
.lrow-main{flex:1;min-width:0}
.lrow-t{font-weight:500;line-height:1.35}
.lrow small,.crow small,.trow small{color:var(--muted);font-size:12.5px}
.lrow .go{color:var(--acc);font-size:13px;font-weight:600;white-space:nowrap}
.lrow .kn{font:500 12px var(--f-mono);color:var(--muted);min-width:42px;text-align:right}
.lrow.test{border-top:1px dashed var(--line2) !important;margin-top:4px}
.ldot{flex:none;width:20px;height:20px;border-radius:50%;border:1.5px solid var(--line2);display:grid;place-items:center;font:700 11px/1 var(--f-body);font-style:normal;color:var(--muted)}
.ldot.read{border-color:var(--acc);background:linear-gradient(90deg,var(--acc-soft) 50%,transparent 50%)}
.ldot.done{border-color:var(--acc);background:var(--acc);color:var(--acc-ink)}
.linkbtn{background:none;border:0;padding:0;color:var(--acc);cursor:pointer;font:inherit}

/* Heute */
.today-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap}
.today-head h1{margin-top:6px}
.today-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:16px}
.rv-card{display:flex;flex-direction:column;gap:12px;border-left:4px solid var(--acc)}
.rv-card.calm{border-left-color:var(--line2)}
.rv-num{display:flex;align-items:center;gap:14px}
.rv-num b{font:650 46px/1 var(--f-display);color:var(--text);letter-spacing:-.03em}
.rv-num span{color:var(--muted);font-size:14px;line-height:1.35}
.wk-card{display:flex;flex-direction:column;gap:12px}
.wk{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;align-items:end}
.wk-d{display:flex;flex-direction:column;align-items:center;gap:6px}
.wk-col{height:84px;width:100%;max-width:26px;background:var(--card3);border-radius:6px;display:flex;align-items:flex-end;overflow:hidden}
.wk-col i{display:block;width:100%;background:var(--acc);border-radius:6px}
.wk-d.today small{color:var(--text);font-weight:600}
.wk-d.future .wk-col{opacity:.45}
.crow-t{flex:1;min-width:0}
.crow-t>div{font-weight:500}
.crow-m{width:130px;display:flex;flex-direction:column;gap:4px}

/* Kurse */
.cgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.ccard{display:flex;flex-direction:column;gap:14px;text-align:left;cursor:pointer;color:inherit;border-top:3px solid var(--c);transition:transform .15s,box-shadow .15s}
.ccard:hover{transform:translateY(-2px)}
.ccard h3{font-size:17px}
.ccard small{line-height:1.35}

/* Kursseite */
.chead{display:flex;flex-direction:column;gap:8px}
.airule{border:1px solid var(--line2);border-left:4px solid var(--warn);background:var(--card);border-radius:var(--r);padding:12px 16px;display:flex;flex-direction:column;gap:6px}
.airule p{font-size:14.5px;max-width:80ch}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px;display:flex;flex-direction:column;gap:6px;box-shadow:var(--shadow)}
.kpi b{font:650 24px/1.1 var(--f-display)}
.kpi span{color:var(--muted);font-size:13px}
.chap{display:flex;flex-direction:column;gap:6px;padding:16px 12px}
.chap-h{padding:0 8px 6px}
.chap-h h3{margin-top:4px}

/* Lektion */
.lhead{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;flex-wrap:wrap}
.lstate{display:flex;align-items:center;gap:10px;font-weight:600}
.lend{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-top:18px;border-style:dashed}

/* Wiederholen */
.fchips{gap:6px}
.fchips .chip b{font:600 11px var(--f-mono);color:var(--acc)}
.rv-start{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.trow-k{width:150px;display:flex;align-items:center;gap:8px}
.trow-k .pbar{flex:1}
.rv-page{max-width:760px;margin:0 auto;width:100%}
.rv-head{display:flex;flex-direction:column;gap:10px}
.rv-head .pbar{height:4px}
.rv-card-q,.rv-card-f{gap:16px;padding:20px}
.rv-card-q .check-q{font-size:17px;font-weight:500}
.rvf-face{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:18px;display:flex;flex-direction:column;gap:8px}
.rvf-front{font:600 19px/1.4 var(--f-display)}
.rvf-face.back{background:var(--acc-soft);border-color:var(--acc-line)}
.rvf-grade{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.rvf-grade .btn{padding:12px}
.rvf-grade .btn small{font:11px var(--f-mono);opacity:.6}
.rvf-grade .yes{border-color:var(--good);color:var(--good)}
.rvf-grade .no{border-color:var(--bad);color:var(--bad)}
.result{align-items:flex-start;gap:14px}
.result .result-big small{font-size:.45em;color:var(--muted)}

@media (max-width:860px){
  .today-grid{grid-template-columns:minmax(0,1fr)}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .crow{flex-wrap:wrap}
  .crow-t{flex-basis:calc(100% - 90px)}
  .crow-m{flex:1;width:auto;min-width:120px}
  .trow{flex-wrap:wrap}
  .trow-k{width:auto;flex:1}
  .lrow .kn{display:none}
  [data-theme=study] h1{font-size:25px}
  .rv-num b{font-size:40px}
}

[data-theme=study] .lesson-main .dt th,[data-theme=study] .lesson-main .dt td{white-space:normal;text-align:left;vertical-align:top}
[data-theme=study] .lesson-main #blocks>div{min-width:0;overflow-x:auto}
@media (max-width:600px){
  .lrow{flex-wrap:wrap;row-gap:6px}
  .lrow-main{flex:1 1 60%}
  .lrow>.chip{order:4;margin-left:32px}
  .lrow>.go{order:5;margin-left:auto}
}
[data-theme=study] .sr-c button.chosen{border-color:var(--acc);color:var(--text);background:var(--acc-soft);font-weight:600}
/* Prüfung üben */
.prep-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:16px;align-items:start}
.prep-ready{display:flex;flex-direction:column;gap:14px;border-left:4px solid var(--know)}
.prep-ready .rv-num b{font-size:40px}
.plist{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:4px;font-size:14.5px}
.wdots{font-size:10px;letter-spacing:1px;color:var(--know);white-space:nowrap;min-width:34px}
.trow.chk{cursor:pointer}
.trow.chk input{width:18px;height:18px;accent-color:var(--acc);flex:none}
.trow.chk.on .lrow-main>div{color:var(--muted);text-decoration:line-through}
.ptask{display:flex;flex-direction:column;gap:10px;border-left:4px solid var(--line2)}
.ptask.ok{border-left-color:var(--good)} .ptask.again{border-left-color:var(--warn)}
.ptask details{border-top:1px dashed var(--line2);padding-top:10px}
.ptask summary{cursor:pointer;color:var(--acc);font-weight:600;font-size:14px}
.ptask-s{margin-top:10px;background:var(--card2);border-radius:10px;padding:12px 14px}
.ptask .body,.rvf-face .body{max-width:none;overflow-x:auto}
.ptask .btn.yes{border-color:var(--good);color:var(--good)}
.prep-cta{display:flex;justify-content:space-between;align-items:center;gap:14px;text-align:left;cursor:pointer;color:inherit;border-left:4px solid var(--know)}
.prep-pct{text-align:right;display:flex;flex-direction:column}
.prep-pct b{font:650 26px var(--f-display)}
.rvf-face table,.ptask table{margin:6px 0}
@media (max-width:860px){.prep-top{grid-template-columns:minmax(0,1fr)}.trow .wdots{display:none}}
[data-theme=study] .rvf-face pre,[data-theme=study] .ptask pre{background:var(--codebg);color:var(--codefg);border-radius:10px;padding:12px 14px;overflow-x:auto;font:13px/1.6 var(--f-mono);margin:8px 0}
[data-theme=study] .rvf-face pre code,[data-theme=study] .ptask pre code{background:none;color:inherit;padding:0}
.rvf-face ul,.rvf-face ol{padding-left:20px;margin:6px 0}
.rvf-front{font:600 17px/1.45 var(--f-body)}
/* Skript */
.sk-head{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;flex-wrap:wrap}
.sk-wrap{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:start}
.sk-toc{position:sticky;top:20px;max-height:calc(100vh - 40px);overflow:auto;padding:14px}
.sk-toc ol{list-style:none;margin:0;padding:0}
.sk-toc>details>ol>li{margin-top:10px}
.sk-toc>details>ol>li>a{font-weight:600;font-size:13.5px}
.sk-toc ol ol li a{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);padding:3px 0}
.sk-toc a{color:var(--text);text-decoration:none}
.sk-toc a:hover{color:var(--acc)}
.sk-toc .ldot{width:14px;height:14px;font-size:8px}
.sk-body{display:flex;flex-direction:column;gap:30px;min-width:0}
.sk-ch{display:flex;flex-direction:column;gap:18px}
.sk-chh{border-bottom:2px solid var(--line2);padding-bottom:8px}
.sk-chh h2{font-size:24px;margin-top:4px}
.sk-l{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow);scroll-margin-top:16px}
.sk-l h3{font-size:20px}
.sk-l h4{font:600 16px var(--f-display);margin:8px 0 0}
.sk-l .body,.sk-l .sk-lead{max-width:72ch;line-height:1.65}
.sk-l .body p+p{margin-top:10px}
.sk-lead{font-size:16.5px;color:var(--text)}
.sk-keys{background:var(--acc-soft);border-radius:10px;padding:12px 16px}
.sk-keys ul{margin:6px 0 0;padding-left:18px;display:flex;flex-direction:column;gap:4px}
.sk-html{overflow-x:auto}
.sk-check{border:1px dashed var(--line2);border-radius:10px;padding:10px 14px;font-size:14px}
.sk-check summary{cursor:pointer;color:var(--acc);font-weight:500}
.sk-check ol{margin:8px 0;padding-left:22px}
.sk-check li.ok{font-weight:600;color:var(--good)}
.sk-widget{font-size:13.5px}
.sk-foot{border-top:1px solid var(--line);padding-top:12px;margin-top:4px}
.sk-end{display:block;height:1px}
.sk-gloss{display:grid;grid-template-columns:minmax(150px,240px) minmax(0,1fr);gap:8px 18px;margin:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.sk-gloss dt{font-weight:600}
.sk-gloss dd{margin:0;color:var(--muted)}
.kinfo summary{cursor:pointer}
.pformat summary{cursor:pointer}
.print-only{display:none}
@media (max-width:980px){
  .sk-wrap{grid-template-columns:minmax(0,1fr)}
  .sk-toc{position:static;max-height:none}
  .sk-toc details:not([open])~*{display:none}
  .sk-l{padding:16px}
  .sk-gloss{grid-template-columns:minmax(0,1fr)}
  .sk-gloss dd{margin-bottom:8px}
}
@media print{
  .side,.topbar,.bottom-nav,.toasts,.no-print,#sync{display:none !important}
  .app{display:block}
  .main{padding:0}
  body{background:#fff;color:#000;font-size:11pt}
  .print-only{display:block}
  .sk-wrap{display:block}
  .sk-l{box-shadow:none;border:0;border-bottom:1px solid #ccc;border-radius:0;padding:10px 0;break-inside:auto}
  .sk-ch{break-before:page}
  .sk-check{border:0;padding:0}
  .lesson-main pre,.body pre{white-space:pre-wrap}
}
.example,.sk-ex{border-left:4px solid var(--know);background:color-mix(in srgb,var(--know) 7%,var(--card))}
.sk-ex{border-radius:10px;padding:12px 16px;display:flex;flex-direction:column;gap:6px}
.example h3{margin:4px 0 6px}
.text-deep .eyebrow{color:var(--acc)}
.hintbox{border:1px solid color-mix(in srgb,var(--know) 45%,var(--line));background:color-mix(in srgb,var(--know) 6%,var(--card));border-radius:10px;padding:0}
.hintbox>details>summary,details.hintbox>summary{cursor:pointer;padding:10px 14px;font-weight:600;font-size:14.5px;list-style:none}
.hintbox summary::-webkit-details-marker{display:none}
.hintbox details[open]>summary,details.hintbox[open]>summary{border-bottom:1px dashed var(--line2)}
.hintbox .body{padding:10px 14px 12px;font-size:14.5px}
@media print{details.hintbox>.body{display:block}}

/* Startseite: ein klarer nächster Schritt, der Rest eingeklappt */
.hero-card{display:flex;flex-direction:column;gap:12px;padding:22px;border-left:4px solid var(--acc);background:linear-gradient(135deg,var(--acc-soft),transparent 60%),var(--card)}
.hero-card h2{font-size:22px;line-height:1.25}
.hero-card .row{gap:12px;align-items:center}
.btn.big{padding:12px 20px;font-size:15.5px}
.hero-steps{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px;line-height:1.45}
.hero-steps b{font-weight:600}
.dash-more{border-top:1px solid var(--line);padding-top:6px}
.dash-more>summary{cursor:pointer;list-style:none;padding:10px 0;color:var(--muted);font-weight:500}
.dash-more>summary::-webkit-details-marker{display:none}
.dash-more>summary::before{content:"▸";display:inline-block;margin-right:8px;transition:transform .15s}
.dash-more[open]>summary::before{transform:rotate(90deg)}
.dash-more>.col{gap:18px;padding-top:6px}