/* NumberDrop control panel refinement */
.addition-stage {
  padding: 18px;
}

.addition-board {
  border: 3px solid rgba(255, 216, 111, 0.98);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(14, 31, 50, 0.98), rgba(5, 12, 24, 0.98));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.12),
    inset 0 -44px 80px rgba(255, 190, 72, 0.06),
    0 0 0 5px rgba(4, 12, 24, 0.9),
    0 0 0 10px rgba(114, 246, 255, 0.36),
    0 0 32px rgba(114, 246, 255, 0.18),
    0 24px 48px rgba(0, 0, 0, 0.46);
}

.addition-cell {
  border-color: rgba(141, 199, 244, 0.18);
  background: rgba(16, 32, 52, 0.84);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.addition-cell--answer {
  color: #241200;
  background: linear-gradient(#ffe488, #ffb53f);
  border-color: rgba(255, 242, 191, 0.72);
  box-shadow:
    0 0 18px rgba(255, 211, 77, 0.24),
    inset 0 1px rgba(255, 255, 255, 0.6);
}

.addition-cell--answer.addition-cell--targeted {
  outline-offset: -4px;
  outline: 2px solid rgba(255, 255, 255, 0.92);
  box-shadow:
    0 0 24px rgba(255, 211, 77, 0.4),
    inset 0 1px rgba(255, 255, 255, 0.72);
}

.addition-cell--tile {
  color: #04111f;
  background: linear-gradient(#8fdbff, #16c7ff);
  border-color: rgba(178, 237, 255, 0.72);
  box-shadow:
    0 0 22px rgba(22, 199, 255, 0.32),
    inset 0 1px rgba(255, 255, 255, 0.52);
}

.addition-panel.game-console {
  padding: 18px;
  border-color: #72f6ff26;
  background: linear-gradient(180deg, #081527f2, #040b15f2);
  box-shadow: inset 0 0 0 1px #ffffff08, 0 16px 32px #00000038;
}

.game-console > * + * {
  margin-top: 12px;
  padding-top: 12px;
}

.game-console__head {
  gap: 10px;
}

.addition-problem {
  max-width: 100%;
  font-size: clamp(1.65rem, 4.8vw, 2.15rem);
  line-height: 1.18;
  letter-spacing: 0;
}

.addition-status {
  max-width: 24ch;
  margin: 0;
  color: #b6c8dd;
  font-size: clamp(1.05rem, 3vw, 1.22rem);
  line-height: 1.35;
}

.game-console__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 4px;
}

.game-console__actions .primary-button,
.game-console__actions .secondary-button {
  min-height: 52px;
  padding: 10px 12px;
  font-size: 1.2rem;
  font-weight: 700;
}

.mathetris-settings {
  gap: 10px;
}

.mathetris-filter {
  grid-template-columns: 72px 1fr;
  gap: 10px;
}

.mathetris-filter__label {
  color: #a7bad2;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
}

.mathetris-filter__options {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.mathetris-filter[aria-label="Number size"] .mathetris-filter__options {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mathetris-filter[aria-label="Drop speed"] .mathetris-filter__options {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mathetris-chip {
  min-width: 0;
  min-height: 44px;
  padding: 7px 8px;
  border-radius: 10px;
  font-size: 1.12rem;
  font-weight: 800;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.stats-row li {
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.98rem;
  line-height: 1.2;
  white-space: nowrap;
}

.stats-row li:last-child {
  grid-column: 1 / -1;
  width: max-content;
  max-width: 100%;
}

.game-console__pad {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.game-control-button {
  min-height: 50px;
  border-radius: 10px;
  font-size: 1.32rem;
}

.game-control-button--wide {
  grid-column: 1 / -1;
  min-height: 54px;
  font-size: 1.15rem;
}

.game-console button:focus-visible {
  outline: 3px solid #dff5ff;
  outline-offset: 2px;
}

@media (width <= 720px) {
  .addition-panel.game-console {
    padding: 16px;
  }

  .addition-status {
    max-width: none;
  }

  .mathetris-filter {
    grid-template-columns: 68px 1fr;
  }

  .game-console__actions .primary-button,
  .game-console__actions .secondary-button {
    font-size: 1.18rem;
  }
}