.visually-hidden-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;
}

.drop-zone {
  margin-top: 8px;
  padding: 28px 20px;
  border: 2px dashed var(--md-sys-color-outline);
  border-radius: var(--md-sys-shape-corner-large);
  background: color-mix(in srgb, var(--md-sys-color-primary-container) 35%, white);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, transform 0.04s ease, box-shadow 0.15s ease;
}

.drop-zone:hover,
.drop-zone:focus {
  border-color: var(--md-sys-color-primary);
  background: color-mix(in srgb, var(--md-sys-color-primary-container) 65%, white);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--md-sys-color-primary) 16%, transparent);
  outline: none;
}

.drop-zone.is-dragover {
  border-color: var(--md-sys-color-primary);
  background: color-mix(in srgb, var(--md-sys-color-primary-container) 80%, white);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--md-sys-color-primary) 18%, transparent);
}

.drop-zone__icon {
  display: inline-block;
  font-size: 2rem;
  margin-bottom: 8px;
  color: var(--md-sys-color-primary);
}

.drop-zone__title {
  margin: 0 0 4px;
  font-weight: 700;
  color: var(--md-sys-color-on-surface);
}

.drop-zone__desc {
  margin: 0;
  font-size: 0.875rem;
  color: var(--md-sys-color-on-surface-variant);
}

.input-help {
  margin-top: 14px;
  margin-bottom: 22px;
}

select,
input[type="range"] {
  width: 100%;
}

select {
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  font: inherit;
  font-size: 0.9375rem;
  padding: 12px 14px;
  outline: none;
}

select:focus {
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--md-sys-color-primary) 22%, transparent);
}

.result-header h2 {
  margin-bottom: 0;
}

.control-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin: 18px 0;
}

.control-field {
  display: block;
}

.range-value {
  display: inline-block;
  margin-top: 6px;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.8125rem;
}

.canvas-wrap {
  overflow: auto;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  padding: 12px;
  touch-action: none;
}

#edit-canvas {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 8px;
  cursor: crosshair;
  touch-action: none;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding-top: 14px;
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

.faq-item:first-child {
  padding-top: 0;
  border-top: none;
}

.faq-item h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--md-sys-color-on-surface);
}

.faq-item p {
  margin: 0;
}

@media (max-width: 600px) {
  .control-grid {
    grid-template-columns: 1fr;
  }

  .tool-actions--edit {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .tool-actions--edit .btn {
    flex: unset;
    width: 100%;
    white-space: nowrap;
    font-size: 0.8rem;
  }}