/*
 * qr-code-decoder.css — per-tool styles: upload dropzone, image preview surface,
 * and nested EMVCo/PromptPay rows. Tokens only; no inline styles (CSP: style-src 'self').
 */

/* Click / drag / paste dropzone. */
.qr-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-6);
  text-align: center;
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-sunken, var(--neutral-50));
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color .15s ease, background-color .15s ease;
}
.qr-drop:hover,
.qr-drop:focus-visible {
  border-color: var(--blue-600);
  background: var(--neutral-100);
  outline: none;
}
.qr-drop.is-drag {
  border-color: var(--blue-600);
  background: var(--blue-100);
}
.qr-drop-icon { color: var(--text-muted); }
.qr-drop-title { font: 600 15px/1.4 var(--font-sans); color: var(--text-primary); }
.qr-drop-hint { font: 400 13px/1.4 var(--font-sans); color: var(--text-muted); }

/* Image preview surface — checkered so transparent PNGs read clearly. */
.qr-preview {
  margin: var(--space-4) 0 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;
}
.qr-preview img {
  display: block;
  max-width: 100%;
  max-height: 280px;
  height: auto;
  border-radius: var(--radius-sm);
}

/* Nested EMVCo sub-fields are indented under their template row. */
.qr-emv-sub td:first-child {
  padding-left: var(--space-6);
  color: var(--text-secondary);
}