/* An Moodle/Boost (mebis) angelehnt: helle Navigationsleiste, Fragenkästen mit Infospalte, Testnavigation. */
:root {
  --primary: #0f6cbf; --primary-dark: #0a4b85; --text: #1d2125; --muted: #6a737b; --border: #dee2e6;
  --bg: #f5f6f7; --card: #fff; --que-info: #f8f9fa; --que-form: #e7f3f5; --ok: #357a32; --bad: #ca3120;
  --warn: #f0ad4e; --partial: #f0ad4e;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.5 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--primary); }
.navbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; background: #fff; border-bottom: 1px solid var(--border);
  padding: .5rem 1rem; position: sticky; top: 0; z-index: 10; }
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
.brand span { color: var(--primary); }
.navbar nav { display: flex; align-items: center; gap: 1rem; }
.who { color: var(--muted); font-size: .9rem; }
.page { max-width: 1200px; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.6rem; margin: .5rem 0 1rem; }
h2 { font-size: 1.2rem; margin: 0 0 .75rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: .5rem; padding: 1rem 1.25rem; margin-bottom: 1rem; }
.card.narrow { max-width: 520px; margin: 2rem auto; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 820px) { .grid2 { grid-template-columns: 1fr; } }
label { display: block; margin: .6rem 0 .2rem; font-weight: 500; }
label.check { font-weight: 400; display: flex; gap: .5rem; align-items: center; }
input[type=text], input:not([type]), input[type=password], input[type=number], input[type=datetime-local], select, textarea {
  width: 100%; font: inherit; font-size: 16px; padding: .45rem .6rem; border: 1px solid #8f959e; border-radius: .3rem; background: #fff; }
textarea { resize: vertical; }
input.tiny { width: 4.5rem; display: inline-block; }
input.short { width: 7rem; }
.code-input { font-size: 1.6rem !important; letter-spacing: .3em; text-transform: uppercase; text-align: center; }
.btn { display: inline-block; font: inherit; padding: .45rem .9rem; min-height: 44px; border-radius: .3rem; border: 1px solid #ced4da;
  background: #ced4da; color: var(--text); cursor: pointer; text-decoration: none; margin: .5rem .25rem .25rem 0; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn.small { min-height: 32px; padding: .2rem .5rem; font-size: .85rem; margin: 0; }
button.link { background: none; border: 0; color: var(--primary); cursor: pointer; font: inherit; padding: 0; text-decoration: underline; }
form.inline { display: inline; }
.row { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.alert { padding: .75rem 1rem; border-radius: .3rem; background: #cfe2f3; border: 1px solid #a6c8e8; margin-bottom: 1rem; }
.alert.error { background: #f6d1cd; border-color: #e9a29a; }
.alert.success { background: #d7e6d6; border-color: #a9cba6; }
.muted { color: var(--muted); } .small { font-size: .85rem; } .mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
.crumbs { font-size: .9rem; color: var(--muted); margin: 0; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { background: #f1f3f5; font-weight: 600; }
.table .num { text-align: right; white-space: nowrap; }
.table tr.stale td { background: #fff3cd; }
.scroll-x { overflow-x: auto; }
.status { padding: .1rem .5rem; border-radius: 1rem; font-size: .85rem; background: #e9ecef; }
.s-offen { background: #d7e6d6; } .s-deaktiviert, .s-beendet { background: #e9ecef; } .s-geplant { background: #cfe2f3; } .s-geschlossen { background: #f6d1cd; }
.needs { color: var(--bad); font-size: .8rem; }
.cell-needsgrading a { color: var(--bad); }
.qtype { font-size: .8rem; background: #e9ecef; padding: .05rem .4rem; border-radius: .2rem; }
.badge { font-size: .8rem; background: var(--warn); color: #000; padding: .1rem .5rem; border-radius: .3rem; vertical-align: middle; }
.formgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.formgrid > div:last-child { grid-column: 1 / -1; }
@media (max-width: 820px) { .formgrid { grid-template-columns: 1fr; } }
.codebox { text-align: center; }
.code-big { font-size: 3rem; letter-spacing: .25em; font-weight: 700; }
.qr { width: 220px; height: 220px; }
.facts { padding-left: 1.2rem; }

/* ---------- Testversuch (Moodle-Optik) ---------- */
.attempt-layout { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 1rem; align-items: start; }
@media (max-width: 900px) { .attempt-layout { grid-template-columns: 1fr; } .attempt-side { order: -1; position: static !important; } }
.attempt-side { position: sticky; top: 4rem; }
.block { background: #fff; border: 1px solid var(--border); border-radius: .5rem; padding: .75rem; margin-bottom: 1rem; }
.block h4 { margin: 0 0 .5rem; font-size: 1rem; }
.qnbuttons { display: flex; flex-wrap: wrap; gap: .35rem; }
.qnbutton { width: 2.4rem; height: 2.8rem; display: flex; align-items: flex-start; justify-content: center; padding-top: .35rem;
  border: 1px solid #8f959e; border-radius: .2rem; text-decoration: none; color: var(--text); background: #fff; position: relative; font-size: .9rem; }
.qnbutton::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: .7rem; background: #fff; border-top: 1px solid #ddd; }
.qnbutton.answersaved::after { background: #8f959e; }
.savestate { margin-top: .5rem; font-size: .8rem; color: var(--muted); }
.timer { font-size: 1.05rem; }
.timer .label { display: block; font-size: .85rem; color: var(--muted); }
#timer-value { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 1.4rem; }
.timer.timeleft-warn #timer-value { color: var(--bad); }
.que { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: .75rem; margin-bottom: 1.25rem; }
@media (max-width: 640px) { .que { grid-template-columns: 1fr; } }
.que .info { background: var(--que-info); border: 1px solid var(--border); border-radius: .3rem; padding: .5rem; font-size: .85rem; align-self: start; }
.que .info .no { margin: 0 0 .3rem; font-size: 1rem; font-weight: 400; } .que .info .qno { font-weight: 700; font-size: 1.3rem; }
.que .content { min-width: 0; }
.que .formulation { background: var(--que-form); border: 1px solid #b8dce2; border-radius: .3rem; padding: .9rem 1rem; }
.que.description .formulation { background: #fff; border-color: var(--border); }
.qtext { margin-bottom: .75rem; } .qtext img { max-width: 100%; height: auto; }
.prompt { margin-bottom: .3rem; }
.opt { display: flex; gap: .5rem; align-items: flex-start; font-weight: 400; padding: .35rem .25rem; margin: 0; min-height: 44px; }
.opt input { width: 1.25rem; height: 1.25rem; margin-top: .15rem; flex: none; }
.opt .num { min-width: 1.4rem; }
.ablock input { display: inline-block; width: auto; min-width: 14rem; margin-left: .5rem; }
.jwinf-frame { width: 100%; height: 640px; border: 1px solid var(--border); background: #fff; border-radius: .3rem; }
.jwinf-bar { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; margin-bottom: .5rem; font-size: .9rem; }
.submitbtns { text-align: right; margin: 1rem 0; }
.confirm { background: #fff; border: 2px solid var(--primary); border-radius: .5rem; padding: 1rem; margin: 1rem 0; text-align: right; }
.warn-banner { position: fixed; left: 50%; top: 4.5rem; transform: translateX(-50%); background: var(--bad); color: #fff; padding: .75rem 1.25rem;
  border-radius: .4rem; font-weight: 700; z-index: 20; box-shadow: 0 4px 16px rgba(0,0,0,.25); }
.offline-banner { position: fixed; left: 0; right: 0; bottom: 0; background: var(--warn); color: #000; padding: .6rem 1rem; text-align: center; z-index: 20; }

/* ---------- Bewertung ---------- */
.review-opts { list-style: none; padding: 0; }
.review-opts li { padding: .3rem .4rem; border-radius: .2rem; display: flex; gap: .5rem; }
.review-opts li.right { background: #e6f1e5; } .review-opts li.chosen.wrong, .review-opts li.chosen:not(.right) { background: #fbe3e0; }
.review-opts .frac { margin-left: auto; color: var(--muted); font-size: .85rem; }
.rightanswer { background: #fcefdc; border: 1px solid #f7dcb4; padding: .5rem .75rem; border-radius: .3rem; }
.essay-resp { white-space: pre-wrap; background: #fff; border: 1px solid var(--border); padding: .75rem; border-radius: .3rem; min-height: 4rem; }
.gradebox { display: grid; grid-template-columns: 10rem 1fr auto; gap: .75rem; align-items: end; margin-top: .75rem; }
@media (max-width: 640px) { .gradebox { grid-template-columns: 1fr; } }
.summary { max-width: 640px; margin-bottom: 1.25rem; background: #fff; }
.summary th { width: 10rem; }

/* ---------- Beamer ---------- */
body.beamer { text-align: center; background: #fff; padding: 2rem; }
.qr-big { width: min(60vh, 80vw); height: min(60vh, 80vw); }
.code-huge { font-size: 12vh; letter-spacing: .3em; font-weight: 700; }
.review-opts li p, .opt .otext p { margin: 0; }
.resume { margin-top: 1.25rem; } .resume summary { cursor: pointer; color: var(--primary); }
fieldset { border: 1px solid var(--border); border-radius: .4rem; padding: .5rem 1rem 1rem; margin: 0 0 1rem; }
legend { font-weight: 600; padding: 0 .4rem; }
.answer-row { border-top: 1px dashed var(--border); padding-top: .4rem; margin-top: .4rem; }
.inline-label { display: inline-block; margin: 0 .25rem 0 0; font-weight: 500; }
.nowrap { white-space: nowrap; }
.pick { max-height: 22rem; overflow-y: auto; border: 1px solid var(--border); border-radius: .3rem; padding: .25rem .5rem; }
.ok { color: var(--ok); font-weight: 700; } .bad { color: var(--bad); font-weight: 700; }
/* Erweiterte Fragetypen */
table.match td { padding: .35rem .5rem; vertical-align: middle; } table.match td.stem { width: 55%; }
table.match select { min-width: 10rem; }
select.gap, select.cloze { display: inline-block; width: auto; min-width: 6rem; padding: .2rem .4rem; margin: .1rem .2rem; }
input.cloze { display: inline-block; width: auto; padding: .2rem .4rem; margin: .1rem .2rem; }
.cloze-v { display: block; margin: .3rem 0; } .cloze-h { display: inline-flex; flex-wrap: wrap; gap: .75rem; }
.drop { display: inline-block; min-width: 6rem; min-height: 2rem; padding: .2rem .6rem; margin: .1rem .2rem; vertical-align: middle;
  border: 2px dashed #8f959e; border-radius: .3rem; background: #fff; cursor: pointer; }
.palette { margin-top: .75rem; display: flex; flex-direction: column; gap: .4rem; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip { padding: .35rem .7rem; border-radius: .3rem; border: 1px solid #8f959e; background: #fff; cursor: pointer; min-height: 44px;
  display: inline-flex; align-items: center; user-select: none; -webkit-user-select: none; }
.chip.picked { outline: 3px solid var(--primary); } .chip.used { opacity: .35; cursor: default; }
.group1.chip, .group1.drop { background: #fff; } .group2.chip, .group2.drop { background: #dcdcff; }
.group3.chip, .group3.drop { background: #d8ecd8; } .group4.chip, .group4.drop { background: #ffe5cc; }
.review-rows td.ok { color: var(--ok); } .review-rows td.bad { color: var(--bad); }
.blockpick { display: flex; flex-wrap: wrap; gap: .5rem; }
.block-choice { border: 1px solid var(--border); border-radius: .3rem; padding: .25rem .5rem; background: #fff; }
.block-choice img { height: 32px; max-width: 160px; }
textarea.code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; line-height: 1.4; white-space: pre; }