/* Sudoku – Spielstile */

.board-wrap { display: flex; gap: 24px; flex-wrap: wrap; margin: 10px 0 30px; }

.board {
  --cell: 46px;
  display: grid;
  grid-template-columns: repeat(9, var(--cell));
  grid-template-rows: repeat(9, var(--cell));
  gap: 1px;
  background: var(--line);
  border: 3px solid var(--turkis);
  border-radius: 10px;
  padding: 1px;
  user-select: none;
}
.board .cell {
  width: var(--cell);
  height: var(--cell);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg2);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}
.board .cell.given { color: var(--turkis); font-weight: 800; background: var(--panel); }
.board .cell.selected { background: var(--panel2); box-shadow: inset 0 0 0 2px var(--neon); }
.board .cell.error { color: var(--red); background: rgba(255,95,109,.15); }
.board .cell.correct { color: var(--green); }
.board .cell.highlight { background: rgba(167,139,250,.15); }
.board .cell.br { border-right: 2px solid var(--neon); }
.board .cell.bb { border-bottom: 2px solid var(--neon); }

.board .cell.notes { font-size: 0; padding: 2px; display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(3, 1fr); gap: 0; }
.board .cell.notes .note { font-size: 0.62rem; color: var(--muted); display: flex; align-items: center; justify-content: center; }

/* Numpad */
.numpad { display: grid; grid-template-columns: repeat(5, 46px); gap: 6px; margin: 10px 0; }
.numpad button { height: 42px; font-size: 1.1rem; font-weight: 700; background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 9px; cursor: pointer; }
.numpad button:hover { border-color: var(--turkis); }

.side { flex: 1; min-width: 230px; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: flex-end; }

/* Result */
.result-page { max-width: 520px; margin: 10px auto 40px; text-align: center; }
.result-page h2 { font-size: 1.6rem; }

.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--panel2); border: 1px solid var(--turkis);
  color: var(--text); padding: 12px 20px; border-radius: 12px;
  font-weight: 600; z-index: 70; box-shadow: 0 8px 24px rgba(0,0,0,.4);
  opacity: 0; pointer-events: none; transition: opacity .25s ease;
}
.toast.show { opacity: 1; }

.assist-badge { display: none; color: var(--gold); font-size: .85rem; }
.assist-badge.on { display: block; }
#errWrap.danger { color: var(--red); font-weight: 800; }

/* Kompakte Mobile-Stattenzeile (ganz oben) */
.mobile-stats {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.mobile-stats .mobile-stat {
  flex: 1;
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 6px;
}
.mobile-stats .num { font-size: 1.15rem; font-weight: 800; color: var(--turkis); display: block; }
.mobile-stats .lbl { font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }

/* Spielfeld – oben, mobil volle Breite */
.board-wrap-mobile { display: flex; justify-content: center; margin: 0 0 14px; }
.board-mobile {
  --cell: 40px;
  max-width: 100%;
}

/* Numpad – unten, immer sichtbar */
.numpad-mobile {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  max-width: 340px;
  margin: 0 auto 12px;
  padding: 0 8px;
}
.numpad-mobile button {
  height: 48px;
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  touch-action: manipulation;
}
.numpad-mobile button:hover, .numpad-mobile button:active { border-color: var(--turkis); }

/* Toolbar mobil – schmale Knöpfe unter Numpad */
.toolbar-mobile {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 560px) {
  .board, .board-mobile {
    width: 100%;
    max-width: 420px;
    grid-template-columns: repeat(9, minmax(0, 1fr));
    grid-template-rows: none;
  }
  .board .cell {
    width: auto;
    height: auto;
    aspect-ratio: 1 / 1;
    min-width: 0;
    font-size: clamp(.8rem, 3.4vw, 1.15rem);
  }
  .board .cell.notes { font-size: 0; }
  .numpad { grid-template-columns: repeat(5, 34px); }
}
@media (max-width: 380px) {
  .numpad-mobile button { height: 44px; font-size: 1.1rem; }
}