/* 语音转文字 · 文件识别模式专属样式（作用域 st- 前缀，避免污染全局） */
.st-tabs { margin-bottom: 12px; }
.st-tabs .tab.active { background: var(--primary, #2f6df0); color: #fff; border-color: var(--primary, #2f6df0); }

.st-drop {
  border: 2px dashed #c7d2e6;
  border-radius: 10px;
  padding: 26px 16px;
  text-align: center;
  color: #5a6b85;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  background: #f7f9fd;
}
.st-drop.drag { border-color: var(--primary, #2f6df0); background: #eef4ff; color: var(--primary, #2f6df0); }
.st-drop .st-drop-ic { font-size: 26px; display: block; margin-bottom: 6px; }
.st-link { color: var(--primary, #2f6df0); text-decoration: underline; cursor: pointer; }

.st-progress {
  height: 10px;
  background: #e7ecf5;
  border-radius: 6px;
  overflow: hidden;
  margin: 4px 0 2px;
}
.st-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #2f6df0, #5b8cff);
  transition: width .15s linear;
}
.st-progress-bar.error { background: linear-gradient(90deg, #e60012, #ff6b6b); }
.st-pct { min-width: 42px; display: inline-block; }

/* 停止 / 取消按钮：红色危险操作 */
.btn-danger { background: var(--error, #e60012); border-color: var(--error, #e60012); color: #fff; }
.btn-danger:hover { filter: brightness(0.93); }
.btn-danger:disabled { opacity: .5; cursor: not-allowed; }

/* 文件识别状态：错误文本 */
.st-err { color: var(--error, #e60012); font-weight: 600; }

/* 准确率上限提示（指向离线识别软件下载页） */
.st-acc-hint {
  color: #b3541e;
  background: #fff6ee;
  border: 1px solid #ffd9b8;
  border-radius: 6px;
  padding: 6px 10px;
  margin-top: 8px;
}
.st-acc-hint .st-link { color: #c2480f; }