:root{
  --bg:#0b1020;--card:#151b2f;--text:#e6e8ef;--muted:#a8b0c2;--accent:#82b0ff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;
  background: radial-gradient(1400px 900px at 20% -10%, #1b2240 0%, var(--bg) 60%);
  color:var(--text);
  min-height:100svh;
  display:grid;place-items:center;
}
.wrap{width:min(900px,100%);padding:28px}
.card{
  background:var(--card);border-radius:20px;padding:28px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04), 0 14px 36px rgba(0,0,0,.4);
  transition: transform .08s ease;
}
.word{
  font-size: clamp(3rem, 12vw, 8rem);
  font-weight:900;letter-spacing:.6px;margin:0 0 18px;text-align:center;
}
.word.hidden{ display:none !important; }
input{
  width:100%;padding:18px 20px;border-radius:14px;border:1px solid transparent;
  background:#0f1430;color:var(--text);font-size:1.6rem;outline:none;
}
input::placeholder{font-size:1.2rem;color:#9aa3bd}
input:focus{border-color:rgba(130,176,255,.7);box-shadow:0 0 0 5px rgba(130,176,255,.25)}
.info{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:14px;color:var(--muted);font-size:1.05rem}
.phase{margin-top:6px}
.muted{color:var(--muted)}
.error{
  margin-top:12px;padding:12px 14px;border-radius:12px;background:#3b1220;color:#ffd9df;border:1px solid #64223a;
  font-size:1.1rem
}
/* Toggle */
.switch{display:flex;align-items:center;gap:.5rem;user-select:none;cursor:pointer}
.switch input{width:1.25rem;height:1.25rem}
/* Feedback bei korrekter Eingabe */
body.ok .card{outline:4px solid rgba(130,176,255,.35)}
/* Shake/Bad bei Fehler */
.shake{animation: shake .25s}
.bad{outline:4px solid rgba(255,80,80,.35)}
@keyframes shake{
  0%,100%{transform: translateX(0)}
  20%{transform: translateX(-6px)}
  60%{transform: translateX(6px)}
}