.image-workbench {
  display: grid;
  gap: 16px;
}

.image-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 16px;
  align-items: start;
}

.image-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.image-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.image-dropzone {
  min-height: 148px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 28px;
  border: 2px dashed var(--border);
  border-radius: 8px;
  background: var(--code-bg);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.image-dropzone:hover,
.image-dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.image-dropzone p {
  margin: 0;
  font-weight: 600;
  color: var(--text-secondary);
}

.image-dropzone span {
  font-size: 13px;
  color: var(--text-muted);
}

.preview-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.preview-box,
.result-preview {
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background:
    linear-gradient(45deg, rgba(0, 0, 0, 0.035) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(0, 0, 0, 0.035) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(0, 0, 0, 0.035) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(0, 0, 0, 0.035) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  overflow: hidden;
}

.preview-box img,
.result-preview img {
  max-width: 100%;
  max-height: 420px;
  display: block;
  object-fit: contain;
}

.crop-stage {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--code-bg);
  overflow: hidden;
  touch-action: none;
}

.crop-stage img {
  max-width: 100%;
  max-height: 540px;
  display: block;
  object-fit: contain;
  user-select: none;
}

.crop-overlay {
  position: absolute;
  display: none;
  border: 2px solid var(--accent);
  background: rgba(37, 99, 235, 0.14);
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.35);
  cursor: move;
  touch-action: none;
}

.crop-overlay.is-visible {
  display: block;
}

.crop-handle {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--accent);
}

.crop-handle[data-handle="nw"] { left: -8px; top: -8px; cursor: nwse-resize; }
.crop-handle[data-handle="n"] { left: calc(50% - 7px); top: -8px; cursor: ns-resize; }
.crop-handle[data-handle="ne"] { right: -8px; top: -8px; cursor: nesw-resize; }
.crop-handle[data-handle="e"] { right: -8px; top: calc(50% - 7px); cursor: ew-resize; }
.crop-handle[data-handle="se"] { right: -8px; bottom: -8px; cursor: nwse-resize; }
.crop-handle[data-handle="s"] { left: calc(50% - 7px); bottom: -8px; cursor: ns-resize; }
.crop-handle[data-handle="sw"] { left: -8px; bottom: -8px; cursor: nesw-resize; }
.crop-handle[data-handle="w"] { left: -8px; top: calc(50% - 7px); cursor: ew-resize; }

.control-stack {
  display: grid;
  gap: 12px;
}

.control-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label,
.check-field {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
}

.field input,
.field select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  background: var(--surface);
  color: var(--text-primary);
  font: inherit;
}

.check-field {
  display: flex;
  align-items: center;
  gap: 8px;
}

.preset-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.preset-row .btn {
  justify-content: center;
  min-width: 0;
  padding-inline: 8px;
}

.range-value {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--text-muted);
}

.image-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.image-actions .btn {
  flex: 1 1 120px;
  justify-content: center;
}

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

.metric {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  background: var(--code-bg);
  min-width: 0;
}

.metric-label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.metric-value {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

@media (max-width: 900px) {
  .image-grid,
  .preview-pair,
  .metric-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .image-panel {
    padding: 14px;
  }

  .control-row,
  .preset-row {
    grid-template-columns: 1fr;
  }

  .preview-box,
  .result-preview {
    min-height: 210px;
  }

  .crop-stage {
    min-height: 260px;
  }
}