:root {
  --creme: #FCF5E9;
  --papier: #FFFFFF;
  --navy: #14294D;
  --grau: #5B6577;
  --gelb: #FFE14D;
  --gelb-hell: #FFF0A3;
  --beige: #D9C3A0;
  --linie: #E8DCC5;
  --richtig: #3E8E6B;
  --nochmal: #C9822B;
  --nochmal-text: #8A5410;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--creme);
  color: var(--navy);
  font-family: Verdana, Arial, Helvetica, sans-serif;
  font-size: 20px;
  line-height: 1.6;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}

button { font-family: inherit; color: inherit; touch-action: manipulation; -webkit-appearance: none; appearance: none; }
[hidden] { display: none !important; }

.wrap { width: 100%; max-width: 720px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }

/* Fortschrittsbalken */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 6px; background: var(--linie); z-index: 20; }
.progress-bar { height: 100%; width: 0; background: var(--gelb); transition: width .35s ease; }

/* Kopfzeile */
.topbar { position: relative; padding-top: calc(6px + env(safe-area-inset-top)); }
.topbar-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 56px; }
.crumb { color: var(--grau); font-size: 17px; text-align: right; }
.textbtn {
  min-height: 48px; padding: 0 4px; background: none; border: 0; font-size: 18px;
  color: var(--navy); text-decoration: underline; text-underline-offset: 4px; cursor: pointer;
}

.main { padding-top: 24px; padding-bottom: calc(150px + env(safe-area-inset-bottom)); outline: none; }
body.is-start .main { padding-top: calc(32px + env(safe-area-inset-top)); padding-bottom: 48px; }

h1 { font-size: 34px; line-height: 1.25; margin: 0 0 12px; font-weight: 700; }
h2 { font-size: 26px; line-height: 1.35; margin: 0 0 12px; font-weight: 700; }
p { margin: 0 0 14px; }
.lead { font-size: 22px; color: var(--navy); }
.muted { color: var(--grau); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 56px; padding: 0 30px; border-radius: 999px; border: 2px solid var(--navy);
  font-size: 20px; font-weight: 700; line-height: 1.2; cursor: pointer; background: var(--papier); color: var(--navy);
}
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--navy); color: var(--creme); }
.btn-marker { background: var(--gelb); color: var(--navy); }
.btn-ghost { background: var(--papier); }
.btn[aria-pressed="true"] { background: var(--gelb-hell); }
.btnrow { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 20px; }
.btn:focus-visible, .tok:focus-visible, .opt:focus-visible, .stufe:focus-visible, .textbtn:focus-visible, .row:focus-visible {
  outline: 3px solid var(--navy); outline-offset: 3px;
}

/* Navigation unten */
.nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 15; background: var(--creme);
  border-top: 1px solid var(--linie); padding-top: 12px; padding-bottom: calc(12px + env(safe-area-inset-bottom));
}
.nav-in { display: flex; justify-content: space-between; gap: 14px; }
.nav .btn { flex: 1 1 0; max-width: 340px; }

/* Startbildschirm */
.start-head { text-align: center; margin-bottom: 28px; }
.start-head img { width: 200px; height: 200px; object-fit: contain; display: block; margin: 0 auto 8px; }
.start-head p { max-width: 520px; margin-left: auto; margin-right: auto; }
.stufen { display: grid; gap: 14px; }
.stufe {
  display: flex; align-items: center; gap: 18px; width: 100%; min-height: 88px; padding: 14px 20px;
  background: var(--papier); border: 2px solid var(--beige); border-radius: 22px; text-align: left; cursor: pointer;
}
.stufe:active { transform: scale(.99); }
.stufe .nr {
  flex: 0 0 56px; height: 56px; display: grid; place-items: center; border-radius: 50%;
  background: var(--gelb); font-weight: 700; font-size: 22px;
}
.stufe .nr.klein { font-size: 15px; }
.stufe .txt { flex: 1; }
.stufe .t { display: block; font-size: 22px; font-weight: 700; line-height: 1.3; }
.stufe .u { display: block; font-size: 17px; color: var(--grau); line-height: 1.4; }
.stufe .st { font-size: 17px; color: var(--grau); text-align: right; min-width: 92px; }
.stufe.fertig { border-color: var(--richtig); }
.schritte { margin: 36px 0 8px; padding: 22px 24px; background: var(--papier); border: 2px solid var(--linie); border-radius: 22px; }
.schritte h2 { font-size: 22px; }
.schritte ol { margin: 0; padding-left: 28px; }
.schritte li { margin-bottom: 6px; font-size: 19px; }
.reset { text-align: center; margin-top: 18px; }

/* Aufgabenkopf */
.kopf { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.kopf img { width: 96px; height: 96px; object-fit: contain; flex: 0 0 96px; }
.kopf h1 { font-size: 28px; margin: 0 0 4px; }
.kopf p { margin: 0; color: var(--grau); font-size: 18px; line-height: 1.5; }
.badge {
  display: inline-block; margin-left: 8px; padding: 2px 12px; border-radius: 999px; font-size: 15px;
  background: var(--papier); border: 2px solid var(--richtig); color: var(--richtig); vertical-align: middle; font-weight: 700;
}

/* Textkarte und Wörter */
.karte { background: var(--papier); border: 2px solid var(--beige); border-radius: 22px; padding: 18px 16px; }
.satz { padding: 6px 0 10px; }
.satz + .satz { border-top: 1px solid var(--linie); padding-top: 12px; }
.worte { font-size: 26px; line-height: 1.3; }
.tok {
  display: inline-flex; align-items: center; min-height: 48px; margin: 3px 1px; padding: 6px 9px;
  font-size: 26px; line-height: 1.3; font-family: inherit; color: var(--navy);
  background: transparent; border: 2px solid transparent; border-bottom-color: var(--linie);
  border-radius: 10px; cursor: pointer; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none;
}
.tok[aria-pressed="true"] { background: var(--gelb); border-color: var(--gelb); font-weight: 700; }
.tok.ok::after {
  content: ""; display: inline-block; width: 8px; height: 15px; margin: 0 4px 4px 10px;
  border-right: 3px solid var(--richtig); border-bottom: 3px solid var(--richtig); transform: rotate(45deg);
}
.tok.missing { border: 3px solid var(--nochmal); border-radius: 999px; padding-left: 12px; padding-right: 12px; }
.tok.extra { background: var(--gelb-hell); border-color: var(--gelb-hell); text-decoration: line-through; text-decoration-color: var(--nochmal); text-decoration-thickness: 2px; }
.streich .tok { pointer-events: none; }
.streich .tok:not([aria-pressed="true"]) { color: transparent; border-bottom-color: var(--beige); background: transparent; }
.satzinfo { margin: 6px 4px 0; font-size: 18px; line-height: 1.5; }
.satzinfo p { margin: 0 0 4px; }
.satzinfo .fehlt { color: var(--nochmal-text); }
.satzinfo .weg { color: var(--grau); }
.satzinfo .viel { color: var(--grau); }
.notiz { margin: 14px 4px 0; font-size: 18px; color: var(--grau); }
.feedback {
  margin-top: 18px; padding: 16px 20px; background: var(--papier); border-radius: 16px;
  border: 2px solid var(--linie); border-left: 8px solid var(--beige); font-size: 20px;
}
.feedback strong { display: block; margin-bottom: 2px; }
.feedback.gut { border-left-color: var(--richtig); }
.feedback.nochmal { border-left-color: var(--nochmal); }
.textblock { font-size: 23px; line-height: 1.7; margin: 0; }

/* Fragen */
.frage { margin: 22px 0 14px; }
.optionen { display: grid; gap: 12px; }
.opt {
  display: flex; align-items: center; gap: 14px; width: 100%; min-height: 72px; padding: 14px 20px;
  background: var(--papier); border: 2px solid var(--beige); border-radius: 18px; font-size: 22px; line-height: 1.4;
  text-align: left; cursor: pointer;
}
.opt:active { transform: scale(.99); }
.opt .kreis { flex: 0 0 28px; height: 28px; border-radius: 50%; border: 2px solid var(--navy); background: var(--papier); }
.opt[aria-pressed="true"] { border: 3px solid var(--navy); background: var(--gelb-hell); padding: 13px 19px; }
.opt[aria-pressed="true"] .kreis { background: var(--navy); box-shadow: inset 0 0 0 5px var(--gelb-hell); }
.opt.richtig { border: 3px solid var(--richtig); background: var(--papier); padding: 13px 19px; }
.opt.nochmal { border: 3px solid var(--nochmal); padding: 13px 19px; }

/* Ampel */
.ampel { display: grid; gap: 14px; margin-top: 8px; }
.amp {
  display: flex; align-items: center; gap: 18px; width: 100%; min-height: 84px; padding: 14px 20px;
  background: var(--papier); border: 2px solid var(--beige); border-radius: 20px; font-size: 22px; text-align: left; cursor: pointer;
}
.amp .punkt { flex: 0 0 36px; height: 36px; border-radius: 50%; border: 3px solid var(--navy); }
.amp b { display: block; font-size: 24px; line-height: 1.3; }
.amp span.s { display: block; font-size: 19px; color: var(--grau); }
.amp[aria-pressed="true"] { border: 4px solid var(--navy); background: var(--gelb-hell); padding: 12px 18px; }

/* Abschluss */
.fertig-kopf { text-align: center; margin-bottom: 22px; }
.fertig-kopf img { width: 200px; height: 200px; object-fit: contain; display: block; margin: 0 auto 8px; }
.liste { display: grid; gap: 10px; margin: 20px 0 8px; }
.row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; min-height: 60px; padding: 10px 20px;
  background: var(--papier); border: 2px solid var(--linie); border-radius: 16px; font-size: 19px; text-align: left; cursor: pointer;
}
.row .z { font-size: 17px; color: var(--grau); white-space: nowrap; }
.row.ok .z { color: var(--richtig); font-weight: 700; }
.einschaetzung { margin-top: 18px; padding: 16px 20px; background: var(--papier); border: 2px solid var(--linie); border-radius: 16px; display: flex; align-items: center; gap: 14px; }
.einschaetzung .punkt { flex: 0 0 28px; height: 28px; border-radius: 50%; border: 3px solid var(--navy); }

/* Dialog */
.modal { position: fixed; inset: 0; z-index: 30; background: rgba(20, 41, 77, .45); display: grid; place-items: center; padding: 20px; }
.modal-box { width: 100%; max-width: 480px; background: var(--creme); border: 2px solid var(--navy); border-radius: 24px; padding: 26px; }
.modal-box h2 { font-size: 24px; }

@media (max-width: 560px) {
  body { font-size: 18px; }
  .worte, .tok { font-size: 23px; }
  .stufe .st { display: none; }
  h1 { font-size: 28px; }
  .kopf img { width: 72px; height: 72px; flex-basis: 72px; }
}

@media (prefers-reduced-motion: reduce) {
  .progress-bar { transition: none; }
  .btn:active, .opt:active, .stufe:active { transform: none; }
}

@media print {
  .nav, .progress, .topbar, .modal { display: none !important; }
  body { background: #fff; }
}