/* ===== 扫描做旧（tab 视图）特有样式 ===== */
.scan-container {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 16px;
  align-items: start;
}

.scan-main { min-width: 0; }
.scan-side { min-width: 0; }

.scan-preview-wrap {
  min-height: 420px;
  position: relative;
  justify-content: center;
  align-items: flex-start;
  display: flex;
}

/* 预览 Canvas：按原始分辨率绘制，CSS 缩放到容器宽度 */
.preview-canvas {
  display: block;
  width: 100%;
  height: auto;
  background: #fff;
  user-select: none;
  -webkit-user-drag: none;
}

/* 上传区（覆盖在预览区之上，未上传时显示） */
.scan-preview-wrap .upload-zone {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0;
  border: none;
}

/* 覆盖层（文字块 / 印章拖拽） */
#scanOverlayLayer {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
#scanOverlayLayer .draggable {
  position: absolute;
  pointer-events: auto;
  cursor: move;
  touch-action: none;
  user-select: none;
  -webkit-user-drag: none;
}
#scanOverlayLayer .placed-text {
  display: flex;
  align-items: flex-start;
  line-height: 1.2;
}
#scanOverlayLayer .placed-text canvas {
  display: block;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}
#scanOverlayLayer .placed-stamp {
  border: 1px dashed rgba(22,119,255,.4);
  border-radius: 2px;
}
#scanOverlayLayer .placed-stamp img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
}

/* 滑块 */
.slider-row { margin-bottom: 10px; }
.slider-row label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 4px;
}
.slider-row label span {
  color: var(--primary);
  font-weight: 500;
  min-width: 30px;
  text-align: right;
}
.slider-row input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
  cursor: pointer;
}

/* 写字表单 */
.font-status {
  font-size: 12px;
  color: var(--text-3);
  margin: 4px 0 8px;
}
.font-status.ok { color: var(--success); }
#scanTextContent {
  width: 100%;
  height: 48px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  resize: vertical;
  outline: none;
  font-family: inherit;
  box-sizing: border-box;
}
#scanTextContent:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(22,119,255,.14);
}
.scan-side input[type="number"], .scan-side input[type="color"] {
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
.scan-side input[type="color"] { padding: 3px; cursor: pointer; }
.scan-side input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(22,119,255,.14);
}
.scan-side label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-2);
}
.scan-side input[type="file"] { font-size: 12px; padding: 6px 0; border: none; height: auto; }

/* 文字层列表 */
.text-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.text-row {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 6px 10px;
  font-size: 13px;
}
.text-row .t-preview {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-2);
}
.text-row .t-del {
  cursor: pointer;
  color: var(--error);
  border: none;
  background: none;
  font-size: 15px;
  padding: 2px 6px;
}

/* 响应式 */
@media (max-width: 900px) {
  .scan-container { grid-template-columns: 1fr; }
}