.container { position: relative; }

.editor {
  width: 900px;
  max-width: 100%;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.preview-panel {
  position: absolute;
   left: calc(50% + 475px);
  top: 0;
  width: 420px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.upload-section { margin-bottom: 32px; }

.preview-group { margin-bottom: 16px; }
.preview-group small {
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
  display: block;
}

#front-preview, #back-preview {
  margin-top: 12px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.btn { width: 100%; margin-top: 10px; padding: 16px; }

.color-picker-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.color-picker-row input[type="color"] {
  width: 40px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  vertical-align: middle;
  cursor: pointer;
  padding: 0;
  background: none;
}

.color-picker-row .swatch {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  display: inline-block;
}