/**
 * styles/drive.css —— 云盘页面专属样式（v7.0 从 drive.html 内联 <style> 剥离）
 * 依赖 common.css 的设计变量（--primary/--text/--danger-solid 等），必须与之同载。
 * 独立成文件后可被浏览器/SW 单独缓存，HTML 体积下降约 5KB。
 */
    /* ============ 云盘专属样式（复用 common.css 设计变量） ============ */
    .drive-wrap { max-width: 980px; margin: 0 auto; padding: 96px 20px 64px; }

    .drive-head {
      display: flex; justify-content: space-between; align-items: flex-end;
      gap: 16px; flex-wrap: wrap; margin-bottom: 18px;
    }
    .drive-head h1 { font-size: 26px; margin: 0 0 6px; }
    .drive-sub { margin: 0; color: var(--text-mute); font-size: 13px; }
    .drive-actions { display: flex; gap: 10px; flex-wrap: wrap; }

    .btn {
      border: 1px solid var(--border); background: var(--card-bg); color: var(--text);
      border-radius: var(--radius-pill); padding: 9px 18px; font-size: 14px; cursor: pointer;
      transition: all .18s var(--ease); display: inline-flex; align-items: center; gap: 6px;
    }
    .btn:hover { border-color: var(--primary); color: var(--primary-text); }
    .btn:active { transform: scale(.97); }
    .btn-primary {
      background: var(--primary); border-color: var(--primary); color: #fff;
    }
    .btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }
    .btn-danger { color: var(--danger-solid); border-color: var(--danger-solid); background: transparent; }
    .btn-danger:hover { background: var(--danger-bg); color: var(--danger-text); border-color: var(--danger-solid); }
    .btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

    .drive-stats {
      display: flex; gap: 22px; flex-wrap: wrap; padding: 12px 18px; margin-bottom: 16px;
      background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px;
      font-size: 13px; color: var(--text-light); box-shadow: var(--card-shadow);
    }
    .drive-stats b { color: var(--text); font-weight: 600; }

    .dropzone {
      border: 2px dashed var(--border); border-radius: 16px; padding: 34px 20px;
      text-align: center; color: var(--text-mute); margin-bottom: 18px;
      transition: all .2s var(--ease); background: var(--card-bg); cursor: pointer;
    }
    .dropzone p { margin: 0 0 6px; font-size: 15px; }
    .dropzone .dz-hint { font-size: 12px; opacity: .8; }
    .dropzone.dragover {
      border-color: var(--primary); background: rgba(var(--primary-rgb), .06);
      color: var(--primary-text); transform: scale(1.005);
    }

    .panel {
      background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px;
      box-shadow: var(--card-shadow); overflow: hidden; margin-bottom: 18px;
    }
    .panel-title {
      padding: 13px 18px; font-size: 14px; font-weight: 600;
      border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center;
    }
    .panel-title .muted { font-weight: 400; font-size: 12px; color: var(--text-mute); }
    /* 上传面板：标题+摘要靠左，队列级按钮右对齐（不影响其他面板的 space-between） */
    #uploadPanel .panel-title { justify-content: flex-start; }
    .up-global-btns { display: inline-flex; gap: 10px; margin-left: auto; }

    /* 上传队列 */
    .up-item { padding: 12px 18px; border-bottom: 1px solid var(--border); }
    .up-item:last-child { border-bottom: none; }
    /* v7.3 队列分组头（注意：禁用 up-item 类，守护 step12「100 个 .up-item」断言） */
    .up-group-head {
      display: flex; align-items: center; gap: 8px;
      padding: 9px 18px; font-size: 12px; font-weight: 600; color: var(--text-mute);
      background: rgba(var(--primary-rgb), .04); border-bottom: 1px solid var(--border);
      position: sticky; top: 0; z-index: 1;
    }
    .up-group-count { font-weight: 400; opacity: .8; }
    .up-group-act { margin-left: auto; }
    .up-row { display: flex; align-items: center; gap: 10px; font-size: 13px; }
    .up-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .up-status { font-size: 12px; color: var(--text-mute); white-space: nowrap; }
    .up-status.ok { color: var(--success); }
    .up-status.err { color: var(--danger-solid); }
    .up-bar {
      height: 6px; border-radius: 3px; background: var(--border);
      margin-top: 8px; overflow: hidden;
    }
    .up-bar > i {
      display: block; height: 100%; width: 0; border-radius: 3px;
      background: var(--grad-brand); transition: width .2s var(--ease);
    }
    .up-item.done .up-bar > i { background: var(--success); }
    .up-item.failed .up-bar > i { background: var(--danger-solid); }
    .up-item.paused .up-bar > i { background: var(--text-mute); }
    .up-retry {
      border: none; background: none; color: var(--primary-text); cursor: pointer;
      font-size: 12px; padding: 2px 6px; text-decoration: underline;
    }
    .up-pause {
      border: none; background: none; color: var(--text-mute); cursor: pointer;
      font-size: 12px; padding: 2px 6px; text-decoration: underline;
    }
    .up-pause:hover { color: var(--primary-text); }
    .up-cancel {
      border: none; background: none; color: var(--text-mute); cursor: pointer;
      font-size: 12px; padding: 2px 6px; line-height: 1;
    }
    .up-cancel:hover { color: var(--danger-solid); }

    /* 文件表格 */
    .file-table { width: 100%; border-collapse: collapse; font-size: 14px; }
    .file-table th {
      text-align: left; padding: 11px 18px; font-size: 12px; font-weight: 600;
      color: var(--text-mute); border-bottom: 1px solid var(--border); background: rgba(var(--primary-rgb), .03);
    }
    .file-table td { padding: 12px 18px; border-bottom: 1px solid var(--border); vertical-align: middle; }
    .file-table tr:last-child td { border-bottom: none; }
    .file-table tbody tr { transition: background .15s var(--ease); }
    .file-table tbody tr:hover { background: rgba(var(--primary-rgb), .04); }
    .f-name { display: flex; align-items: center; gap: 10px; min-width: 0; }
    .f-icon { font-size: 20px; flex-shrink: 0; }
    .f-name a {
      color: var(--text); text-decoration: none; font-weight: 500;
      overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 380px;
    }
    .f-name a:hover { color: var(--primary-text); text-decoration: underline; }
    .f-size, .f-time { color: var(--text-mute); font-size: 13px; white-space: nowrap; }
    .f-ops { white-space: nowrap; text-align: right; }
    .f-ops button {
      border: none; background: none; cursor: pointer; font-size: 13px;
      padding: 5px 9px; border-radius: 8px; transition: all .15s var(--ease);
    }
    .f-ops .dl { color: var(--primary-text); }
    .f-ops .dl:hover { background: rgba(var(--primary-rgb), .1); }
    .f-ops .del { color: var(--danger-solid); }
    .f-ops .del:hover { background: var(--danger-bg); }
    .f-ops .rn { color: var(--text-mute); }
    .f-ops .rn:hover { background: rgba(var(--primary-rgb), .1); color: var(--primary-text); }
    .f-ops button:disabled { opacity: .5; cursor: not-allowed; }

    /* v7.3 文件列表工具条：搜索 + 排序（纯客户端，操作 lastFiles） */
    .list-tools { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
    .file-search {
      width: 150px; padding: 6px 12px; font-size: 12px; color: var(--text);
      background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-pill);
      outline: none; transition: border-color .15s var(--ease), width .2s var(--ease);
    }
    .file-search:focus { border-color: var(--primary); width: 190px; }
    .sort-btns { display: inline-flex; align-items: center; gap: 2px; }
    .sort-btn {
      border: none; background: none; cursor: pointer; font-size: 12px; color: var(--text-mute);
      padding: 4px 8px; border-radius: 8px; transition: all .15s var(--ease);
    }
    .sort-btn:hover { color: var(--primary-text); background: rgba(var(--primary-rgb), .08); }
    .sort-btn.active { color: var(--primary-text); background: rgba(var(--primary-rgb), .12); font-weight: 600; }
    .sort-dir {
      border: none; background: none; cursor: pointer; font-size: 12px; color: var(--text-mute);
      padding: 4px 6px; border-radius: 8px;
    }
    .sort-dir:hover { color: var(--primary-text); background: rgba(var(--primary-rgb), .08); }

    .state-box { padding: 46px 20px; text-align: center; color: var(--text-mute); }
    .state-box .emo { font-size: 40px; display: block; margin-bottom: 10px; }
    .state-box p { margin: 0 0 4px; font-size: 14px; }
    .state-box .sub { font-size: 12px; opacity: .8; }

    /* 模态（PIN / 删除确认） */
    .modal-mask {
      position: fixed; inset: 0; background: rgba(15, 15, 26, .55);
      display: none; align-items: center; justify-content: center; z-index: 1000; padding: 20px;
      backdrop-filter: blur(3px);
    }
    .modal-mask.show { display: flex; }
    .modal {
      background: var(--card-bg); border-radius: 18px; padding: 26px; width: 100%;
      max-width: 380px; box-shadow: 0 18px 60px rgba(0,0,0,.25);
      animation: modalIn .22s var(--ease-spring);
    }
    @keyframes modalIn { from { opacity: 0; transform: translateY(14px) scale(.97); } to { opacity: 1; transform: none; } }
    .modal h3 { margin: 0 0 6px; font-size: 17px; }
    .modal .m-desc { margin: 0 0 16px; font-size: 13px; color: var(--text-mute); line-height: 1.6; }
    .modal input[type="password"], .modal input[type="text"] {
      width: 100%; box-sizing: border-box; border: 1px solid var(--border); border-radius: 10px;
      padding: 11px 14px; font-size: 15px; letter-spacing: 2px; background: var(--bg); color: var(--text);
      margin-bottom: 14px; outline: none; transition: border-color .15s var(--ease);
    }
    .modal input:focus { border-color: var(--primary); }
    .modal-btns { display: flex; gap: 10px; justify-content: flex-end; }
    .modal .warn-file {
      font-weight: 600; color: var(--danger-text); background: var(--danger-bg);
      padding: 2px 8px; border-radius: 6px; word-break: break-all;
    }

    /* v8.0 面包屑导航 */
    .crumbs {
      display: flex; flex-wrap: wrap; align-items: center; gap: 2px;
      padding: 0 0 12px; font-size: 13px;
    }
    .crumb {
      border: none; background: transparent; color: var(--text-light); cursor: pointer;
      padding: 5px 10px; border-radius: 8px; font-size: 13px; max-width: 200px;
      overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
      transition: background .15s var(--ease), color .15s var(--ease);
    }
    .crumb:hover { background: rgba(var(--primary-rgb), .1); color: var(--primary-text); }
    .crumb.current { color: var(--text); font-weight: 600; cursor: default; }
    .crumb.current:hover { background: transparent; }
    .crumb-sep { color: var(--text-mute); user-select: none; }

    /* v8.0 子目录 chips 网格 */
    .dir-grid {
      display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
      gap: 10px; padding: 0 0 14px;
    }
    .dir-chip {
      display: flex; align-items: center; gap: 10px; padding: 12px 14px;
      background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
      cursor: pointer; text-align: left; font-size: 13px; color: var(--text);
      transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
    }
    .dir-chip:hover {
      transform: translateY(-2px); border-color: rgba(var(--primary-rgb), .4);
      box-shadow: 0 8px 20px rgba(var(--primary-rgb), .12);
    }
    .dir-chip .dir-ic { font-size: 20px; flex-shrink: 0; }
    .dir-chip .dir-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }

    /* v8.0 批量操作条 */
    .batch-bar {
      display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
      padding: 10px 14px; margin-bottom: 12px; border-radius: 12px;
      background: rgba(var(--primary-rgb), .07); border: 1px solid rgba(var(--primary-rgb), .22);
      font-size: 13px;
    }
    .batch-all { display: flex; align-items: center; gap: 6px; cursor: pointer; color: var(--text-light); }
    .batch-count { font-weight: 600; color: var(--primary-text); margin-right: auto; }
    .btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 999px; }

    /* v8.0 表格多选列 */
    .td-check { width: 36px; text-align: center; }
    .td-check input, .row-chk { width: 16px; height: 16px; cursor: pointer; accent-color: var(--primary); }

    /* v8.0 预览按钮（操作列） */
    .f-ops .pv { color: var(--text-mute); }
    .f-ops .pv:hover { background: rgba(var(--primary-rgb), .1); color: var(--primary-text); }

    /* v8.0 在线预览模态 */
    .modal-preview { max-width: 720px; max-height: 86vh; display: flex; flex-direction: column; }
    .preview-body {
      overflow: auto; min-height: 120px; max-height: 62vh; border-radius: 12px;
      background: var(--bg); border: 1px solid var(--border); margin-bottom: 16px;
      display: flex; align-items: center; justify-content: center;
    }
    .preview-body img { max-width: 100%; max-height: 60vh; display: block; border-radius: 8px; }
    .preview-body .preview-media { width: 100%; max-height: 60vh; display: block; }
    .preview-body .preview-code {
      width: 100%; margin: 0; padding: 14px; font-size: 12.5px; line-height: 1.6;
      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
      white-space: pre-wrap; word-break: break-all; color: var(--text); text-align: left;
    }
    .preview-body .preview-tip { margin: 0; padding: 28px 16px; color: var(--text-mute); font-size: 13px; }
    .modal-preview .modal-btns a.btn { text-decoration: none; display: inline-flex; align-items: center; }

    @media (max-width: 640px) {
      .drive-wrap { padding-top: 84px; }
      .f-time { display: none; }
      .f-name a { max-width: 180px; }
      .drive-head { align-items: flex-start; }
      .list-tools { width: 100%; margin-top: 8px; }
      .file-search { flex: 1; width: auto; }
      .file-search:focus { width: auto; }
      .up-group-head { padding: 9px 14px; }
      .dir-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
      .batch-bar { gap: 8px; }
      .modal-preview { max-height: 90vh; }
    }