/*
 * signature-maker.css — per-tool styles: control rows, colour swatches and the
 * signature pad with its checkered (transparent) backdrop. Tokens only; no
 * inline styles (CSP).
 */

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

/* Control rows shared by both tabs. */
.sig-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}
@media (max-width: 560px) {
  .sig-controls { grid-template-columns: 1fr; }
}

.sig-range { width: 100%; accent-color: var(--blue-600); cursor: pointer; }
.sig-value {
  font: 600 13px/1 var(--font-mono, var(--font-sans));
  color: var(--text-secondary);
  margin-left: var(--space-2);
}

/* Native colour picker — sized and framed to match other inputs. */
.sig-color {
  width: 100%;
  height: 40px;
  padding: var(--space-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  cursor: pointer;
}
.sig-color:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 2px; }

.sig-tip { margin: 0; }
.sig-bg-field { margin: 0; }

/* Stage + pad — checkered so a transparent signature reads clearly. */
.sig-stage { display: flex; flex-direction: column; gap: var(--space-2); }
.sig-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;
}
.sig-canvas {
  display: block;
  width: 100%;
  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;
}
.sig-canvas:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 2px; }

.sig-status {
  margin: 0;
  min-height: 1.25em;
  font: 400 13px/1.4 var(--font-sans);
  color: var(--text-secondary);
}