.tool-round-icon .ri-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
}
.tool-round-icon .ri-field label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: #666;
}
.tool-round-icon .ri-color-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.tool-round-icon input[type=color] {
  width: 44px;
  height: 36px;
  padding: 0;
  border: 1px solid #ddd;
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}
.tool-round-icon input[type=text],
.tool-round-icon select {
  width: 100%;
}
.tool-round-icon .ri-color-row input[type=text] {
  flex: 1;
}
.tool-round-icon input[type=range] {
  width: 100%;
}
.tool-round-icon .ri-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
  margin: 18px 0 8px;
  padding-top: 12px;
  border-top: 1px dashed #eee;
}
.tool-round-icon .ri-actions label {
  font-size: 13px;
  color: #666;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 140px;
}
.tool-round-icon .ri-preview-wrap {
  margin-top: 16px;
}
.tool-round-icon .ri-preview-label {
  font-size: 14px;
  color: #555;
  margin-bottom: 8px;
}
.tool-round-icon .ri-preview-box {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  background:
    linear-gradient(45deg, #eee 25%, transparent 25%) 0 0 / 16px 16px,
    linear-gradient(-45deg, #eee 25%, transparent 25%) 0 8px / 16px 16px,
    linear-gradient(45deg, transparent 75%, #eee 75%) 8px -8px / 16px 16px,
    linear-gradient(-45deg, transparent 75%, #eee 75%) -8px 0 / 16px 16px,
    #fff;
  border: 1px solid #e5e5e5;
  border-radius: 6px;
  padding: 24px;
}
.tool-round-icon #ri-canvas {
  max-width: 100%;
  height: auto;
  box-shadow: 0 2px 10px rgba(0,0,0,.08);
}
.tool-round-icon .ri-hint {
  margin: 10px 0 0;
  font-size: 12px;
  color: #999;
  line-height: 1.5;
}
.tool-round-icon .tool-msg {
  margin-top: 8px;
  min-height: 1.2em;
  font-size: 13px;
  color: #2e7d32;
}
@media (max-width: 640px) {
  .tool-round-icon .ri-grid {
    grid-template-columns: 1fr;
  }
}