.combine {
  background: var(--board);
  border-radius: calc(var(--radius) + 4px);
  padding: 18px 14px 6px;
}
.target { text-align: center; color: var(--muted); font-size: 1rem; }
.target b { display: block; color: var(--text); font-size: 2.6rem; line-height: 1.1; font-weight: 700; }
.nums {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 18px 0 14px;
  min-height: 74px;
}
.num {
  min-width: 68px;
  height: 74px;
  padding: 0 10px;
  border: 0;
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 1.6rem;
  font-weight: 700;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: background-color .2s ease, transform .2s ease;
}
.num.picked { background: var(--tile-home); color: var(--tile-home-text); transform: translateY(-3px); }
.num.fresh { animation: pop .25s ease; }
.ops { display: flex; justify-content: center; gap: 10px; }
.op {
  width: 56px;
  height: 52px;
  border: 0;
  border-radius: 14px;
  background: var(--tile);
  color: var(--tile-text);
  font: inherit;
  font-size: 1.5rem;
  font-weight: 700;
  cursor: pointer;
}
.op[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); }
.solution { text-align: center; font-weight: 600; margin: 4px 0 0; }
@keyframes pop { from { transform: scale(.6); opacity: 0; } }
@media (max-width: 380px) { .num { min-width: 60px; height: 66px; font-size: 1.4rem; } }