.main-layout {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  max-width: 900px;
}

.board {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-board);
}

.board-title {
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  font-weight: 600;
}

.rows-container {
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-sm);
  align-items: center;
}

.guess-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all var(--transition-base);
  position: relative;
  width: fit-content;
}

.guess-row.active {
  border-color: var(--border-default);
  background: var(--bg-subtle);
}

.row-num {
  font-size: var(--text-xs);
  color: var(--text-muted);
  width: 16px;
  text-align: center;
  flex-shrink: 0;
  font-weight: 600;
}

.pegs {
  display: flex;
  gap: var(--space-sm);
}

.feedback {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
  width: 24px;
  flex-shrink: 0;
}

.fb-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: transparent;
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.fb-dot.green {
  background: var(--color-correct);
  border-color: var(--color-correct);
}

.fb-dot.white {
  background: var(--color-misplaced);
  border-color: var(--color-misplaced);
}

.side-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  min-width: 240px;
}

.palette {
  --palette-ball-size: var(--ball-md);
  --palette-row-width: 196px;
  display: flex;
  flex-wrap: wrap;
  width: var(--palette-row-width);
  max-width: 100%;
  gap: 12px;
  justify-content: center;
  margin-inline: auto;
  margin-top: var(--space-sm);
}

.palette .ball {
  --ball-size: var(--palette-ball-size);
}

@media (max-width: 640px) {
  .palette {
    --palette-ball-size: 36px;
    --palette-row-width: 180px;
  }
}

.secret-row {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin: var(--space-md) 0;
}

.selected-count {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: center;
  margin-top: var(--space-md);
}

/* ---- Ball ---- */
.ball {
  border-radius: var(--radius-full);
  flex-shrink: 0;
  position: relative;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  border: 2px solid transparent;
  touch-action: manipulation;
  width: var(--ball-size, var(--ball-md));
  height: var(--ball-size, var(--ball-md));
  background: var(--ball-bg);
}

.ball--empty {
  background: var(--bg-subtle);
  border: 2px dashed var(--border-subtle);
  cursor: default;
}

.ball--used {
  opacity: 0.2;
  cursor: not-allowed;
  pointer-events: none;
}

/* Cursor/Focus ring */
.ball--focused {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}

@media (hover: hover) {
  .ball:not(.ball--empty):not(.ball--used):hover {
    transform: scale(1.1);
  }
}

.ball:not(.ball--empty):not(.ball--used):active {
  transform: scale(0.95);
}

.active-arrow {
  position: absolute;
  left: -8px;
  font-size: var(--text-xs);
  color: var(--text-primary);
  pointer-events: none;
  opacity: 0.8;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .main-layout {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }

  .board {
    width: 100%;
    max-width: 380px;
    padding: var(--space-md);
  }

  .side-panel {
    width: 100%;
    max-width: 380px;
    min-width: unset;
  }

  .ball {
    --ball-size: var(--ball-md);
  }

  .pegs .ball {
    --ball-size: 32px;
  }

  .guess-row {
    gap: var(--space-sm);
    padding: 8px;
  }
}

@media (max-width: 360px) {
  .palette {
    --palette-ball-size: 32px;
    --palette-row-width: 164px;
  }

  .pegs .ball {
    --ball-size: 28px;
  }

  .guess-row {
    gap: 6px;
    padding: 6px;
  }
}