.game-root { min-height: 40rem; }

.bulls-guesses,
.bulls-best {
  display: inline-block;
  min-width: 2.5rem;
  font-variant-numeric: tabular-nums;
  text-align: left;
}

.bulls-stage {
  display: flex;
  justify-content: center;
}

.bulls-card {
  --bulls-key: 3rem;
  --bulls-gap: 0.4rem;
  width: min(100%, 24rem);
  padding: 0.9rem 0.85rem 1rem;
  border: 2px solid var(--gold);
  border-radius: 16px;
  background: var(--bg-elevated);
  color: var(--text);
}

.bulls-slots {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  height: 4rem;
}

.bulls-slot {
  box-sizing: border-box;
  width: 3.1rem;
  height: 4rem;
  border: 2px solid var(--gold);
  border-radius: 10px;
  background: var(--bg);
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.85rem;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--text);
  user-select: none;
}

.bulls-slot.is-next { border-color: var(--text); }

.bulls-slot.is-win { border-color: var(--gold); background: var(--bg-elevated); }

.bulls-note {
  height: 4.2em;
  margin: 0.55rem 0 0.75rem;
  overflow: hidden;
  text-align: center;
  line-height: 1.4;
  font-size: 0.98rem;
  color: var(--text);
}

.bulls-note.is-good { font-weight: 700; }

.bulls-pad {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--bulls-gap);
}

.bulls-key {
  box-sizing: border-box;
  height: var(--bulls-key);
  margin: 0;
  padding: 0 0.2rem;
  border: 2px solid var(--gold);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(0.95rem, 3.4vw, 1.25rem);
  line-height: 1;
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
}

.bulls-key-zero { grid-column: 2; }

.bulls-key:hover:not(:disabled) {
  background: var(--bg-elevated);
  border-color: var(--text);
}

.bulls-key:disabled {
  opacity: 0.4;
  cursor: default;
}

.bulls-actions {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--bulls-gap);
}

.bulls-key-go {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.bulls-key-go:hover:not(:disabled) {
  background: var(--primary-hover);
  border-color: var(--gold);
}

.bulls-logwrap {
  display: flex;
  flex-direction: column;
  height: calc(5 * var(--bulls-key) + 4 * var(--bulls-gap));
  margin-top: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
}

.bulls-loghead,
.bulls-row {
  display: grid;
  grid-template-columns: 1.6rem minmax(5.4rem, 6.4rem) minmax(0, 1fr);
  column-gap: 0.4rem;
  align-items: center;
  padding: 0 0.6rem;
}

.bulls-loghead {
  flex: 0 0 1.7rem;
  height: 1.7rem;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.bulls-logscroll {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
}

.bulls-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 0.75rem;
  text-align: center;
  line-height: 1.4;
  color: var(--text-muted);
  pointer-events: none;
}

.bulls-logwrap.has-rows .bulls-empty { display: none; }

.bulls-log {
  height: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-y: auto;
  scrollbar-gutter: stable;
}

.bulls-row {
  height: 2.75rem;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}

.bulls-row-n {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: right;
}

.bulls-row-code {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.bulls-row-score {
  font-size: 0.92rem;
  line-height: 1.15;
}

.bulls-row.is-solved .bulls-row-code,
.bulls-row.is-solved .bulls-row-score { font-weight: 700; }

@media (min-width: 800px) {
  .bulls-card { width: min(100%, 46rem); }

  .bulls-body {
    display: grid;
    grid-template-columns: minmax(0, 16.5rem) minmax(0, 1fr);
    column-gap: 1.1rem;
    align-items: start;
  }

  .bulls-logwrap { margin-top: 0; }
}