.u-container {
  width: min(100%, var(--nf-max-width));
  margin-inline: auto;
}

.u-content-width {
  width: min(100%, var(--nf-content-width));
}

.u-hidden {
  display: none !important;
}

.u-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.u-accent-text {
  color: var(--nf-accent-1);
}

.u-muted {
  color: var(--nf-text-300);
}

.u-glow {
  box-shadow: var(--nf-shadow-soft), var(--nf-shadow-glow-cyan);
}

.nf-admin-toggle-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.nf-admin-toggle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--nf-border-soft, rgba(122, 92, 255, 0.18));
  border-radius: 0.75rem;
  background: var(--nf-surface-1, rgba(18, 14, 40, 0.6));
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}
.nf-admin-toggle:hover {
  border-color: var(--nf-accent-1, #7a5cff);
  background: var(--nf-surface-2, rgba(32, 24, 62, 0.75));
}
.nf-admin-toggle input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--nf-accent-1, #7a5cff);
  cursor: pointer;
}
.nf-admin-toggle span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--nf-text-100, #f4f4ff);
}

.nf-admin-img-field {
  gap: 0.6rem !important;
}
.nf-admin-img-preview-wrap {
  width: 100%;
  min-height: 96px;
  border-radius: 0.75rem;
  border: 1px dashed var(--nf-border-soft, rgba(122, 92, 255, 0.25));
  background: var(--nf-surface-1, rgba(18, 14, 40, 0.6));
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nf-admin-img-preview {
  max-width: 100%;
  max-height: 240px;
  object-fit: cover;
  border-radius: 0.5rem;
}
.nf-admin-img-upload {
  font-size: 0.8rem;
  color: var(--nf-text-200, #c4c4e0);
}
.nf-admin-img-upload::file-selector-button {
  padding: 0.45rem 0.85rem;
  margin-right: 0.75rem;
  border: none;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, var(--nf-accent-1, #7a5cff), var(--nf-accent-2, #ff4fd8));
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s ease;
}
.nf-admin-img-upload::file-selector-button:hover {
  opacity: 0.88;
}

.nf-admin-copy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 1rem;
}
@media (max-width: 640px) {
  .nf-admin-copy-grid { grid-template-columns: 1fr; }
}