/* ========== 模板预览弹窗 ========== */
.tpl-preview-dialog {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 12px 48px rgba(0,0,0,.25);
  z-index: 10000;
  width: min(90vw, 800px);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}
.tpl-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.tpl-preview-header h2 {
  margin: 0;
  font-size: 16px;
  color: var(--text);
}
.tpl-preview-close {
  width: 32px; height: 32px;
  border: none; border-radius: 50%;
  background: var(--bg);
  font-size: 16px;
  cursor: pointer;
  color: var(--text-light);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.tpl-preview-close:hover { background: var(--border); }
.tpl-preview-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}
.tpl-preview-body h1 { font-size: 1.4em; margin-top: 0; }
.tpl-preview-body h2 { font-size: 1.2em; }
.tpl-preview-body pre { background: var(--bg); padding: 12px; border-radius: 6px; overflow-x: auto; }
.tpl-preview-body code { font-size: 13px; }