:root {
  --ink: #242824;
  --muted: #667169;
  --paper: #f6f6f0;
  --surface: #fffefa;
  --line: #d8d2c7;
  --moss: #5f7d58;
  --moss-soft: #dfeadd;
  --rose: #b96561;
  --rose-soft: #f3dddd;
  --amber: #b8873d;
  --amber-soft: #f4ead6;
  --sky: #d9e9ee;
  --shadow: 0 18px 45px rgba(36, 40, 36, 0.10);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Aptos", "Segoe UI", sans-serif;
  background:
    linear-gradient(120deg, rgba(217, 233, 238, 0.7), transparent 38%),
    linear-gradient(230deg, rgba(244, 234, 214, 0.8), transparent 45%),
    var(--paper);
}

.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: end; justify-content: space-between; gap: 24px;
  padding: 18px clamp(20px, 4vw, 48px);
  background: rgba(246, 246, 240, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.eyebrow { margin: 0 0 4px; color: var(--moss); font-size: 12px; font-weight: 800; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(22px, 3vw, 32px); }
h2 { margin: 0 0 6px; font-size: 22px; }
h3 { margin: 0 0 10px; font-size: 16px; }

.nav { display: flex; flex-wrap: wrap; gap: 8px; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 700; padding: 10px 12px; border: 1px solid transparent; border-radius: 8px; }
.nav a.active { background: var(--ink); color: var(--surface); }
.nav a:hover { border-color: var(--line); background: var(--surface); }

.shell { padding: clamp(18px, 3vw, 36px); max-width: 1100px; margin: 0 auto; }
.page-head { margin-bottom: 18px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.right { text-align: right; }
.back { color: var(--moss); text-decoration: none; font-weight: 700; font-size: 13px; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.liste { list-style: none; margin: 0; padding: 0; }
.liste li { border-bottom: 1px solid var(--line); }
.liste li:last-child { border-bottom: none; }
.liste a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 4px; color: var(--ink); text-decoration: none; font-weight: 600; }
.liste a:hover { background: var(--moss-soft); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 14px; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }

.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge.ok { background: var(--moss-soft); color: var(--moss); }
.badge.teil { background: var(--amber-soft); color: var(--amber); }
.badge.offen { background: var(--paper); color: var(--muted); border: 1px solid var(--line); }
.badge.fehler { background: var(--rose-soft); color: var(--rose); }

label { display: block; font-weight: 700; font-size: 13px; margin-bottom: 4px; }
input[type=text], input[type=password], select, textarea {
  width: 100%; padding: 10px 12px; font: inherit;
  border: 1px solid var(--line); border-radius: 8px; background: var(--surface);
}
textarea { resize: vertical; }
.feld { margin-bottom: 14px; }
.reihe { display: flex; gap: 14px; flex-wrap: wrap; align-items: end; }
.reihe > * { flex: 1 1 200px; }

button, .knopf {
  padding: 11px 18px; font: inherit; font-weight: 700; cursor: pointer;
  border: 1px solid var(--ink); border-radius: 8px;
  background: var(--ink); color: var(--surface); text-decoration: none;
  display: inline-block;
}
button.leise, .knopf.leise { background: var(--surface); color: var(--ink); }
button:disabled { opacity: 0.5; cursor: progress; }

/* --- Aufgabenseite ------------------------------------------------------- */
.aufgabe-text { white-space: pre-wrap; line-height: 1.55; }
.editor {
  width: 100%; min-height: 320px; padding: 14px;
  font-family: "Cascadia Code", "Consolas", monospace; font-size: 14px; line-height: 1.5;
  border: 1px solid var(--line); border-radius: 10px; background: var(--surface);
  tab-size: 4; resize: vertical;
}
.beispiel { font-family: "Cascadia Code", "Consolas", monospace; font-size: 13px; }
.faelle { list-style: none; margin: 12px 0 0; padding: 0; }
.faelle li { padding: 8px 10px; border-radius: 8px; margin-bottom: 6px; font-family: "Cascadia Code", "Consolas", monospace; font-size: 13px; }
.faelle li.ok { background: var(--moss-soft); }
.faelle li.nein { background: var(--rose-soft); }
.fehlerkasten { background: var(--rose-soft); border-radius: 8px; padding: 12px; white-space: pre-wrap; font-family: "Cascadia Code", "Consolas", monospace; font-size: 13px; }
.statuszeile { margin: 12px 0 0; font-weight: 700; }
.balken { height: 8px; border-radius: 999px; background: var(--line); overflow: hidden; margin-top: 6px; }
.balken > span { display: block; height: 100%; background: var(--moss); }
pre { margin: 0; white-space: pre-wrap; font-family: "Cascadia Code", "Consolas", monospace; font-size: 13px; }
.hinweiskasten { background: var(--amber-soft); border-radius: 8px; padding: 12px 14px; font-size: 14px; }

/* --- Konten und Anmeldung ------------------------------------------------ */
.schmal { max-width: 460px; }
.nav-form { display: flex; align-items: center; gap: 8px; }
.nav-form .muted { white-space: nowrap; }
form.inline { display: inline-block; margin-left: 6px; }
.nowrap { white-space: nowrap; }
button.small, .knopf.small { padding: 6px 10px; font-size: 12px; }
code.gross {
  font-family: "Cascadia Code", "Consolas", monospace; font-size: 16px;
  letter-spacing: 1px; background: var(--paper); padding: 3px 8px; border-radius: 6px;
}

/* Die Zugangsdaten-Karte soll sich sauber ausdrucken lassen — der Rest der
   Seite (Formulare, Kontenliste) gehört nicht auf den Zettel. */
@media print {
  .topbar, .card:not(.druckbar), .back, button { display: none !important; }
  .druckbar { border: none; box-shadow: none; padding: 0; }
}
.haken { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; }
.haken input { width: auto; }

/* --- Gesamtmatrix -------------------------------------------------------- */
/* Viele Aufgaben passen nicht in die Seitenbreite — die Tabelle scrollt für
   sich, die Seite bleibt ruhig. */
.breit { overflow-x: auto; }
.matrix { min-width: max-content; }
.matrix th.drehen { height: 120px; padding: 0 2px; vertical-align: bottom; }
.matrix th.drehen > span {
  writing-mode: vertical-rl; transform: rotate(180deg);
  white-space: nowrap; max-height: 112px; overflow: hidden; text-transform: none;
}
.matrix td.zelle { text-align: center; font-variant-numeric: tabular-nums; min-width: 34px; }
.matrix td.zelle.ok { background: var(--moss-soft); font-weight: 700; }
.matrix td.zelle.teil { background: var(--amber-soft); }
.matrix td.zelle.fehler { background: var(--rose-soft); }
.matrix td.zelle.offen { color: var(--muted); }
.legende {
  display: inline-block; width: 11px; height: 11px; border-radius: 3px;
  margin: 0 4px 0 12px; vertical-align: middle; border: 1px solid var(--line);
}
.legende.ok { background: var(--moss-soft); }
.legende.teil { background: var(--amber-soft); }
.legende.fehler { background: var(--rose-soft); }
.legende.offen { background: var(--surface); }