:root{font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:#172033;background:#f5f7fb;--blue:#215fae;--line:#e3e7ef;--muted:#667085}*{box-sizing:border-box}html{min-height:100%;background:#f5f7fb}body{margin:0;min-height:100%;-webkit-text-size-adjust:100%}.top{height:62px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100% - 1180px)/2));position:sticky;top:0;z-index:20}.brand{font-weight:800;color:#173b6c;text-decoration:none}.top nav{display:flex;gap:16px;align-items:center;font-size:14px}.top nav a{color:#47536a;text-decoration:none}.top form{margin:0}.linkbtn{border:0;background:none;padding:0;color:#47536a}main{max-width:1180px;margin:0 auto;padding:28px 18px calc(70px + env(safe-area-inset-bottom))}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 4px 16px rgba(21,39,70,.05);margin-bottom:20px}.hero{padding:8px 2px 22px}.hero h1{font-size:clamp(30px,5vw,48px);margin:.1em 0}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:800;color:#66758f}.unitgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.unitgrid .card{margin:0}.unithead,.trainhead{display:flex;justify-content:space-between;align-items:center;gap:12px}.pill{display:inline-block;background:#e7f0ff;color:#174c8f;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800}.small,small{font-size:12px;color:#738098}.muted{color:var(--muted)}.bar,.progress{height:8px;background:#e9edf4;border-radius:999px;overflow:hidden}.bar span,.progress span{display:block;height:100%;background:#2d6bc1;border-radius:999px}.button,button{display:inline-flex;justify-content:center;align-items:center;border:1px solid #cbd3df;border-radius:11px;background:#fff;padding:10px 14px;color:#172033;text-decoration:none;font-weight:700;cursor:pointer;min-height:42px}.primary{background:var(--blue);color:#fff;border-color:var(--blue)}.quiet{background:#f7f9fc}.unit .button{margin-top:6px}.unitdetail{display:grid;grid-template-columns:1.2fr 1fr;gap:22px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.stats div{background:#f6f8fc;border-radius:12px;padding:13px;text-align:center}.stats b{display:block;font-size:22px}.stats span{font-size:11px;color:#6d7788}.actions{grid-column:1/-1;display:flex;gap:10px}.actions form{margin:0}.list .row,.row{display:flex;gap:10px;align-items:flex-start;border-bottom:1px solid #eef1f5;padding:10px 0}.row small{display:block;margin-top:3px}.level{width:10px;height:10px;border-radius:50%;margin-top:5px;background:#d9dee8;flex:0 0 auto}.level.l1{background:#e09c3a}.level.l2{background:#d4b92f}.level.l3,.level.l4{background:#4aa765}.meaning{font-size:20px;font-weight:700;color:#1f4f8f;margin-top:18px}.answerform label,.auth label,.formgrid label,.itemedit label{display:grid;gap:6px;font-size:13px;font-weight:700}.answerform input,.auth input,.formgrid input,.itemedit input{font:inherit;padding:13px;border:1px solid #bfc9d8;border-radius:10px;background:#fff;min-height:48px}.answerform input:focus,.auth input:focus,.formgrid input:focus,.itemedit input:focus{outline:3px solid rgba(33,95,174,.14);border-color:#4e7fbd}.answerform{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}.minoractions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.minoractions form{margin:0}.hint{padding:10px 14px;background:#fff5d9;border-radius:10px;margin-top:12px}.feedback{padding:16px;border-radius:12px;margin:14px 0}.feedback.good{background:#e9f7ed}.feedback.bad{background:#fff0ed}.done{text-align:center;max-width:520px;margin:30px auto}.bigcheck{font-size:60px;color:#2f9a54}.auth{max-width:440px;margin:50px auto}.auth form{display:grid;gap:14px}.flash{padding:12px 15px;border-radius:10px;margin-bottom:14px}.flash.error{background:#ffe8e5;color:#862b22}.flash.ok{background:#e9f7ed;color:#256c3b}.back{color:#51627d;text-decoration:none}.tabs{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:12px}.tabs a{padding:7px 10px;border-radius:10px;background:#fff;border:1px solid #dfe4ec;text-decoration:none;color:#4b596f}.tabs a.active{background:var(--blue);color:#fff}.itemedit{display:grid;grid-template-columns:minmax(260px,1.5fr) 1fr 180px auto auto;gap:12px;align-items:end;padding:14px}.itemedit small{display:block;margin-top:4px;max-height:38px;overflow:hidden}.check{display:flex!important;align-items:center;gap:6px!important}.check input{width:auto}.formgrid{display:grid;grid-template-columns:repeat(3,1fr) auto;gap:10px;align-items:end}.meter{width:100%;height:8px;border:0;border-radius:999px;overflow:hidden;background:#e9edf4;appearance:none;-webkit-appearance:none}.meter::-webkit-progress-bar{background:#e9edf4;border-radius:999px}.meter::-webkit-progress-value{background:#2d6bc1;border-radius:999px}.meter::-moz-progress-bar{background:#2d6bc1;border-radius:999px}

/* Persistente Runden in der Unit */
.modecards{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.modecard{border:1px solid #e0e6ef;border-radius:14px;padding:15px;background:#fbfcfe}.modecard-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}.modecard-head div{display:grid;gap:2px}.modecard-head span{font-size:12px;color:#758198}.roundprogress{font-size:13px!important;font-weight:800!important;color:#174c8f!important;background:#e7f0ff;border-radius:999px;padding:5px 9px}.modeactions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.modeactions form{margin:0}.resume-note{margin:9px 0 0}

/* Lernbildschirm */
.training-shell{max-width:1180px;margin:0 auto}.training-grid{display:grid;grid-template-columns:1fr;gap:18px}.trainer{max-width:780px;width:100%;margin:0 auto}.trainmeta{display:flex;align-items:center;gap:8px}.mode-label{font-size:13px;color:#657289;font-weight:700}.tasktype{margin:17px 0 7px}.prompt{font-size:clamp(19px,2.7vw,27px);line-height:1.52;background:#f7f9fc;border:1px solid #edf0f5;border-radius:14px;padding:18px;white-space:pre-wrap;margin:0 0 12px;overflow-wrap:anywhere}.context-pane{display:none}.context-details{margin:2px 0 14px;border:1px solid #e5e9f0;border-radius:11px;background:#fff}.context-details summary{padding:11px 13px;cursor:pointer;font-weight:700;color:#53647d;font-size:13px}.details-context,.full-context{padding:0 13px 13px;line-height:1.55;color:#4a566a;white-space:pre-wrap;overflow-wrap:anywhere}.answer-zone{margin-top:12px}.nextform{display:flex}.nextform .primary{min-width:140px}.training-shell.keyboard-visible .context-details{display:none}

/* Breite Tablets im Querformat / Desktop: Kontext und Aufgabe nebeneinander. */
@media (min-width:1050px) and (orientation:landscape){.training-grid{grid-template-columns:minmax(320px,.9fr) minmax(500px,1.1fr);align-items:start}.context-pane{display:block;position:sticky;top:82px;max-height:calc(100dvh - 110px);overflow:auto;margin:0}.context-details{display:none}.trainer{max-width:none;margin:0}.full-context{padding:0;font-size:15px}}

/* Tablet Hochformat: bewusst großzügig einspaltig, auch mit Tastatur. */
@media (min-width:700px) and (max-width:1049px){main{padding-left:28px;padding-right:28px}.trainer{max-width:820px;padding:26px}.prompt{padding:22px;font-size:24px}.answerform input{font-size:19px}.answerform button{min-width:120px}.context-details summary{font-size:14px}}

/* Smartphone */
@media (max-width:699px){.top{height:54px;padding:0 14px}.top nav{gap:10px}.top nav span,.top nav a{display:none}main{padding:14px 10px calc(34px + env(safe-area-inset-bottom))}.card{padding:15px;border-radius:14px}.unitdetail{grid-template-columns:1fr;gap:15px}.stats{grid-template-columns:repeat(2,1fr)}.modecards{grid-template-columns:1fr}.modeactions{display:grid;grid-template-columns:1fr auto}.modeactions button{width:100%}.actions{flex-direction:column}.actions button{width:100%}.itemedit{grid-template-columns:1fr}.formgrid{grid-template-columns:1fr}.trainer{border-left:0;border-right:0;margin:0;border-radius:14px;padding:14px}.trainhead{align-items:center}.prompt{font-size:19px;line-height:1.45;padding:14px;margin-bottom:9px;max-height:34dvh;overflow:auto}.meaning{font-size:18px;margin-top:13px}.tasktype{margin-top:13px}.answerform{grid-template-columns:1fr}.answerform input{font-size:18px;min-height:50px}.answerform .primary{width:100%;min-height:48px}.minoractions{display:grid;grid-template-columns:1fr 1fr}.minoractions form,.minoractions button{width:100%}.answer-zone{position:sticky;bottom:0;z-index:12;background:rgba(255,255,255,.98);margin:10px -7px -7px;padding:10px 7px calc(7px + env(safe-area-inset-bottom));border-top:1px solid #eef1f5}.context-details{margin-bottom:8px}.training-shell.keyboard-visible .prompt{max-height:22dvh}.training-shell.keyboard-visible .tasktype,.training-shell.keyboard-visible .meaning{display:none}.training-shell.keyboard-visible .trainer{padding-top:10px}.training-shell.keyboard-visible .minoractions{display:none}.nextform .primary{width:100%}}

/* Sehr niedrige Smartphone-Resthöhe bei geöffneter Tastatur. */
@media (max-width:699px) and (max-height:560px){main{padding-top:7px}.top{height:46px}.prompt{max-height:18dvh;font-size:17px;padding:10px}.tasktype{display:none}.trainer{padding:10px}.trainhead{font-size:13px}.meter{height:6px}.context-details{display:none}.answer-zone{margin-top:6px;padding-top:7px}}