/*
 * image-resizer.css — per-tool styles: drop zone, dimension row, checkered
 * preview. Tokens only; no inline styles (CSP: style-src 'self').
 */

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

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

/* Native file input, kept accessible but visually collapsed inside the label. */
.ir-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;
}

/* Controls */
.ir-controls { display: flex; flex-direction: column; gap: var(--space-4); }
.ir-presets { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* Width / lock / height row */
.ir-dims-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
}
.ir-dims-row .field { flex: 1 1 0; margin: 0; }
.ir-lock {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  margin-bottom: 1px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--neutral-50);
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background-color .15s ease;
}
.ir-lock:hover { border-color: var(--blue-600); color: var(--blue-600); }
.ir-lock:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 2px; }
.ir-lock[aria-pressed="true"] {
  border-color: var(--blue-600);
  color: var(--blue-600);
  background: var(--blue-50);
}
.ir-lock-check { margin-top: var(--space-2); }

.ir-quality-label { display: flex; justify-content: space-between; align-items: baseline; }
.ir-quality-value { color: var(--text-secondary); font-weight: 600; }

/* Preview surface — checkered so transparent images read clearly. */
.ir-preview {
  margin: 0 0 var(--space-4);
  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;
}
.ir-preview img {
  display: block;
  max-width: 100%;
  max-height: 360px;
  height: auto;
  border-radius: var(--radius-sm);
}

@media (max-width: 480px) {
  .ir-dims-row { flex-wrap: wrap; }
  .ir-lock { order: 3; }
}