/*
 * image-color-adjust.css — per-tool styles for the dropzone, canvas preview and
 * adjustment sliders. Tokens only; no inline styles (CSP: style-src 'self').
 */

.ica { display: flex; flex-direction: column; gap: var(--space-5); }

/* ---- Drop zone (label wrapping a visually hidden file input) ------------- */
.ica-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--neutral-50);
  cursor: pointer;
  transition: border-color .15s ease, background-color .15s ease;
}
.ica-dropzone:hover { border-color: var(--blue-600); background: var(--blue-50); }
.ica-dropzone.is-dragover { border-color: var(--blue-600); background: var(--blue-100); }
.ica-dropzone:focus-within { outline: 2px solid var(--blue-600); outline-offset: 2px; }
.ica-dropzone-icon { color: var(--text-muted); }
.ica-dropzone-title { font: 600 15px/1.4 var(--font-sans); color: var(--text-primary); }
.ica-dropzone-hint { font: 400 13px/1.4 var(--font-sans); color: var(--text-secondary); }

.ica-file-input {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Editor layout ------------------------------------------------------- */
.ica-editor { display: flex; flex-direction: column; gap: var(--space-5); }

/* Checkered preview surface so transparency / opacity reads clearly. */
.ica-preview {
  margin: 0;
  padding: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background-color: var(--neutral-50);
  background-image:
    linear-gradient(45deg, var(--neutral-100) 25%, transparent 25%),
    linear-gradient(-45deg, var(--neutral-100) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--neutral-100) 75%),
    linear-gradient(-45deg, transparent 75%, var(--neutral-100) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
.ica-canvas {
  display: block;
  max-width: 100%;
  max-height: 420px;
  height: auto;
  border-radius: var(--radius-sm);
}

.ica-meta { font: 400 13px/1.4 var(--font-sans); color: var(--text-secondary); margin: 0; }

/* ---- Controls ------------------------------------------------------------ */
.ica-controls {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: var(--surface, var(--neutral-50));
}
.ica-controls-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.ica-controls-title {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  font: 600 15px/1.2 var(--font-sans);
  color: var(--text-primary);
}

.ica-sliders {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4) var(--space-5);
}
.ica-slider { display: flex; flex-direction: column; gap: var(--space-2); }
.ica-slider-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.ica-slider-label {
  flex: 1 1 auto;
  font: 500 13px/1.3 var(--font-sans);
  color: var(--text-primary);
}
.ica-slider-val {
  min-width: 3.5em;
  text-align: right;
  font: 600 13px/1.3 var(--font-sans);
  color: var(--text-secondary);
}
.ica-slider-reset {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1);
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color .12s ease, background-color .12s ease;
}
.ica-slider-reset:hover { color: var(--blue-600); background: var(--blue-50); }
.ica-slider-reset:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 1px; }

/* Range input — themed track/thumb. */
.ica-range {
  width: 100%;
  height: 22px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--blue-600);
}
.ica-range:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 2px; }

/* ---- Export -------------------------------------------------------------- */
.ica-export { display: flex; flex-direction: column; gap: var(--space-4); }
.ica-export-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: flex-end;
}
.ica-field-inline { margin: 0; min-width: 180px; }
.ica-field-inline .ica-range { margin-top: var(--space-2); }