/* ============ 媒体工具箱页面样式（深色风格与主站一致） ============ */

/* 主内容滚动容器 */
.main-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* 分类 Tab */
.tab-bar {
  display: flex;
  gap: 6px;
  padding: 8px 20px 0;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  color: var(--muted);
  padding: 8px 16px;
  font-size: 13px;
  cursor: pointer;
}
.tab-btn:hover { color: var(--text); opacity: 1; }
.tab-btn.active {
  background: var(--bg);
  color: var(--text);
  border-color: var(--border);
  position: relative;
  top: 1px;
}

.tool-panel { display: flex; flex-direction: column; gap: 14px; }
.tool-panel[hidden] { display: none; }

/* 卡片 */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card h4 { font-size: 14px; color: var(--text); }

/* 拖拽区 */
.dropzone {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 22px 16px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  transition: all .15s;
  background: var(--bg);
}
.dropzone p { margin: 2px 0; }
.dropzone .dz-sub { font-size: 11px; opacity: .75; }
.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  color: var(--text);
  background: rgba(79, 140, 255, .06);
}

/* 媒体预览 */
.media-preview {
  width: 100%;
  max-width: 760px;
  max-height: 420px;
  background: #000;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.waveform {
  width: 100%;
  height: 100px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: block;
}

/* 行式控件 */
.row-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 13px;
}
.row-group label { color: var(--muted); font-size: 12px; }
.row-group input[type="number"] {
  width: 110px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 7px 10px;
  font-size: 13px;
  outline: none;
}
.row-group input:focus, .mid-select:focus, .small-select:focus { border-color: var(--accent); }

.btn-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.inline-label { color: var(--muted); font-size: 12px; }
.small-select { width: 150px; }
.mid-select { width: 220px; flex-shrink: 0; }
.small-select, .mid-select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 7px 8px;
  font-size: 13px;
  outline: none;
}

/* 文件列表 */
.file-list { display: flex; flex-direction: column; gap: 6px; }
.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 13px;
}
.file-item .file-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item .file-sub { color: var(--muted); font-size: 11px; flex-shrink: 0; }
.file-item button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--danger);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 12px;
  flex-shrink: 0;
  cursor: pointer;
}
.file-item button:hover { border-color: var(--danger); opacity: 1; }

/* PDF 预览 */
.pdf-preview-area { display: flex; flex-direction: column; gap: 8px; align-items: center; }
.pdf-preview-area[hidden] { display: none; }
#pdfCanvas {
  max-width: 100%;
  background: #fff;
  border-radius: 6px;
  border: 1px solid var(--border);
}

/* 文本框与预览容器 */
#textEditor, #aiResult {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.6;
  outline: none;
  font-family: "SF Mono", Menlo, Consolas, monospace;
  resize: vertical;
}
#textEditor:focus, #aiResult:focus { border-color: var(--accent); }

.docx-preview {
  background: #fff;
  color: #222;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  max-height: 420px;
  overflow-y: auto;
  min-height: 60px;
  font-size: 14px;
}
.docx-preview .muted-text { color: var(--muted); }

.meta-line { font-size: 12px; color: var(--muted); }
.muted-text { color: var(--muted); font-size: 12px; }
.hint-text { font-size: 11px; color: var(--muted); line-height: 1.6; }
.media-tip { margin-top: 4px; }

/* 状态与错误 */
.msg-line { font-size: 12px; min-height: 18px; color: var(--accent); }
.msg-line.err { color: var(--danger); }
.msg-line.ok { color: #53d18c; }