/*
 * image-censor.css — per-tool styles: drop zone, control row, the drawing
 * canvas and its checkered backdrop. Tokens only; no inline styles (CSP).
 */

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

/* Drop zone — a label wrapping the visually hidden native file input. */
.ic-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;
}
.ic-dropzone:hover { border-color: var(--blue-600); background: var(--blue-50); }
.ic-dropzone.is-dragover { border-color: var(--blue-600); background: var(--blue-100); }
.ic-dropzone:focus-within { outline: 2px solid var(--blue-600); outline-offset: 2px; }
.ic-dropzone-icon { color: var(--text-muted); }
.ic-dropzone-title { font: 600 15px/1.4 var(--font-sans); color: var(--text-primary); }
.ic-dropzone-hint { font: 400 13px/1.4 var(--font-sans); color: var(--text-secondary); }

.ic-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;
}

/* Toolbar — style + strength controls above the canvas. */
.ic-toolbar { display: flex; flex-direction: column; gap: var(--space-4); }
.ic-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: var(--space-4);
  align-items: start;
}
@media (max-width: 560px) {
  .ic-controls { grid-template-columns: 1fr; }
}
.ic-strength-value {
  font: 600 13px/1 var(--font-mono, var(--font-sans));
  color: var(--text-secondary);
  margin-left: var(--space-2);
}
.ic-range { width: 100%; accent-color: var(--blue-600); cursor: pointer; }
#ic-strength-field.is-disabled { opacity: .5; }
#ic-strength-field.is-disabled .ic-range { cursor: not-allowed; }
.ic-canvas-hint { margin: 0; }

/* Stage + canvas — checkered so transparent images read clearly. */
.ic-stage { display: flex; flex-direction: column; gap: var(--space-2); }
.ic-canvas-wrap {
  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;
  overflow: auto;
}
.ic-canvas {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  cursor: crosshair;
  touch-action: none;   /* let pointer drags draw instead of scrolling on touch */
  -webkit-user-select: none;
  user-select: none;
}
.ic-canvas:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 2px; }
.ic-status {
  margin: 0;
  min-height: 1.25em;
  font: 400 13px/1.4 var(--font-sans);
  color: var(--text-secondary);
}