/* mindmap5.3 · css/manager-content.css —— 工具型资料列表与文件导入状态 */
/* 两行工具带；窄中心栏由 ResizeObserver 切为三行，避免影响固定菜单的定位。 */
.rm-content-header { flex: none; display: grid; gap: 8px; padding: 12px var(--manager-content-pad); }
.rm-heading-row, .rm-heading-main, .rm-heading-meta, .rm-page-actions, .rm-search-toolbar, .rm-toolbar-controls, .rm-compact-meta { display: flex; align-items: center; gap: 8px; min-width: 0; }
.rm-heading-row { min-height: 40px; }
.rm-heading-main { flex: 0 1 auto; }
.rm-heading-main h1 { min-width: 0; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ui-text); font-size: 22px; line-height: 1.4; font-weight: var(--ui-weight-strong); letter-spacing: -.025em; }
.rm-collection-back, .rm-heading-star { flex: none; border: 0; background: transparent; padding: 6px; }
.rm-heading-star.is-pinned { color: var(--ui-pinned); }
.rm-heading-star.is-pinned svg { fill: currentColor; }
.rm-heading-meta { gap: 6px; color: var(--ui-muted); font-size: var(--ui-font-caption); }
.rm-result-count, .rm-page-actions, .rm-toolbar-controls { flex: none; white-space: nowrap; }
.rm-page-actions { gap: 4px; margin-left: auto; }
.rm-page-actions .rm-btn, .rm-toolbar-controls .rm-btn { font-size: var(--ui-font-label); }
.rm-search-toolbar { min-height: 36px; }
#reading-manager .rm-toolbar-controls select { min-height: 36px; padding: 5px 8px; font-size: var(--ui-font-label); }
.rm-selection-toggle { border: 0; background: transparent; color: var(--ui-muted); white-space: nowrap; }
.rm-selection-count { white-space: nowrap; font-size: var(--ui-font-caption); }
.rm-toolbar-controls.is-selecting, .rm-compact-meta.is-selecting { background: var(--ui-accent-soft); border-radius: var(--ui-button-radius); padding: 0 6px; }
.rm-btn.rm-report-badge { display: inline-flex; min-width: 0; min-height: 28px; padding: 3px 7px; border: 0; background: var(--ui-accent-soft); color: var(--ui-accent); font-size: var(--ui-font-caption); white-space: nowrap; }
.rm-report-badge > span:first-child { overflow: hidden; text-overflow: ellipsis; }
.rm-report-suffix { flex: none; }
.rm-btn.rm-report-badge[data-severity="warning"], .rm-btn.rm-report-badge[data-severity="error"] { color: var(--ui-danger); }
.rm-content-header.is-compact { gap: 4px; }
.is-compact .rm-heading-main { flex: 1; gap: 4px; }
.is-compact .rm-heading-main h1 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; white-space: normal; overflow-wrap: anywhere; font-size: 18px; }
.is-compact .rm-heading-row .rm-btn { padding: 6px 8px; }
.is-compact .rm-heading-row, .is-compact .rm-search-toolbar, .rm-compact-meta { min-height: var(--ui-touch-target); }
.is-compact .rm-unified-search { height: var(--ui-touch-target); }
.is-compact .rm-btn { min-height: var(--ui-touch-target); min-width: var(--ui-touch-target); }
.is-compact .rm-icon-btn { min-width: var(--ui-touch-target); }
.rm-filter-trigger { flex: none; min-width: var(--ui-touch-target); }
.rm-compact-meta { justify-content: space-between; gap: 4px; }
.rm-compact-meta .rm-heading-meta { flex: 1; gap: 4px; font-size: 10px; }
.rm-compact-meta .rm-result-count { font-size: 10px; }
.rm-compact-meta .rm-btn { font-size: 10px; padding: 4px; }
.rm-compact-meta .rm-selection-toggle { padding: 4px 8px; min-width: var(--ui-touch-target); font-size: var(--ui-font-caption); }
.rm-heading-main h1, .rm-row-title, .rm-row-meta, .rm-row-date, .rm-result-count, .rm-collection-link, .rm-report-details, .rm-copy-name { -webkit-user-select: text; user-select: text; -webkit-touch-callout: default; }
.rm-filter-dialog { width: min(420px, calc(100vw - 24px)); }
.rm-filter-fields { display: grid; gap: 16px; margin-top: 20px; }
.rm-filter-field { display: grid; gap: 6px; font-size: var(--ui-font-label); }
.rm-filter-field .rm-display-switch { margin: 0; width: fit-content; }
.rm-report-details { overflow-wrap: anywhere; }
.rm-report-details ul { max-height: 50dvh; overflow: auto; padding-left: 20px; }
.rm-report-details li { margin: 12px 0; }
.rm-report-details p { margin: 4px 0; }
.rm-copy-name { width: 100%; min-height: 100px; padding: 12px; background: var(--ui-input-bg); color: var(--ui-text); border: 1px solid var(--ui-border); border-radius: var(--ui-input-radius); font: inherit; }
.rm-segment { display: flex; gap: 4px; }
.rm-segment button { border: 1px solid var(--ui-border); border-radius: var(--ui-button-radius); background: transparent; padding: var(--ui-button-padding); color: var(--ui-text); }
.rm-list-area { position: relative; padding: 0 var(--manager-content-pad) 28px; scrollbar-gutter: stable; }
.rm-list { list-style: none; padding: 0; margin: 0; }
.rm-column-labels { display: grid; grid-template-columns: minmax(0, 1fr) 98px 78px; gap: var(--ui-row-gap); padding: 3px 0 3px 46px; border-bottom: 1px solid var(--ui-border); color: var(--ui-muted); font-size: 10px; }
.rm-column-labels > :not(:first-child) { text-align: center; }
.rm-row { box-sizing: border-box; position: relative; display: grid; grid-template-columns: 36px minmax(0, 1fr) 98px 78px; gap: var(--ui-row-gap); align-items: center; min-height: var(--ui-row-h); padding: var(--ui-row-padding); border-bottom: 1px solid var(--ui-border); transition: background var(--ui-motion-fast); }
.rm-row:hover { background: var(--ui-row-hover-bg); }
.rm-row.is-new, .rm-row.is-selected { background: var(--ui-accent-soft); }
.rm-format { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; box-sizing: border-box; display: inline-flex; justify-content: center; align-items: center; width: 34px; height: 36px; padding: 4px 2px; border: 1px solid var(--ui-border); border-radius: var(--ui-pill-radius); color: var(--ui-accent); background: var(--ui-accent-soft); font-size: 8px; }
.rm-format[data-kind="collection"] { border-left: 3px solid var(--ui-accent); }
.rm-format[data-kind="document"] { background: var(--ui-bg); }
.rm-format .rm-icon { width: 21px; height: 21px; }
.rm-row-main { min-width: 0; flex: 1; }
.rm-row-title { text-align: left; display: block; width: 100%; padding: 0; border: 0; color: var(--ui-text); background: transparent; font-size: var(--ui-font-control); line-height: 1.6; font-weight: var(--ui-weight-medium); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rm-row-title:hover:not(:disabled) { color: var(--ui-accent); }
.rm-row-meta { display: flex; flex-wrap: wrap; gap: 2px 8px; align-items: center; margin-top: 4px; color: var(--ui-muted); font-size: 10px; line-height: 1.6; overflow-wrap: anywhere; }
.rm-row-actions { display: flex; gap: 2px; align-items: center; justify-content: flex-end; padding-right: 4px; }
.rm-row-actions .rm-btn { min-height: 30px; min-width: 30px; width: 30px; padding: 5px; border: 0; background: transparent; color: var(--ui-muted); }
.rm-row-actions .rm-icon { width: 16px; height: 16px; }
.rm-row-actions .is-pinned { color: var(--ui-pinned); }
.rm-row-actions .is-pinned svg { fill: currentColor; }
.rm-row-date { color: var(--ui-muted); font-size: 10px; line-height: 1.6; font-variant-numeric: tabular-nums; text-align: center; }
.rm-row-date-mobile { display: none; }
.rm-row-check { display: grid; place-items: center; min-height: 44px; cursor: pointer; }
.rm-row-actions > .rm-btn { background: transparent; border-color: transparent; }
.rm-row-actions .rm-btn:hover:not(:disabled), .rm-row-actions .rm-btn[aria-expanded="true"] { background: var(--ui-hover-bg); color: var(--ui-hover-text); }
.rm-load-more { margin: 22px auto; display: flex; }
.rm-dropzone { border: 1px dashed var(--ui-accent); border-radius: var(--ui-panel-radius); margin: 32px auto; background: var(--ui-hover-bg); }
.rm-dropzone > .rm-btn:last-child { margin-top: 12px; }
.rm-drop-overlay { position: absolute; inset: 8px; min-height: 160px; display: grid; place-items: center; text-align: center; padding: 24px; border: 2px dashed var(--ui-accent); border-radius: var(--ui-panel-radius); background: var(--ui-panel); color: var(--ui-accent); z-index: 6; pointer-events: none; }
.rm-import-progress, .rm-inline-error { padding: 12px 30px; border-bottom: 1px solid var(--ui-border); overflow-wrap: anywhere; }
.rm-import-progress { display: flex; align-items: center; gap: 12px; }
.rm-import-progress progress { width: 90px; accent-color: var(--ui-accent); }
.rm-inline-error { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--ui-danger); }
.rm-unified-search { display: flex; flex: 1; min-width: 0; height: 36px; align-items: center; gap: 7px; padding-left: 12px; border: 1px solid var(--ui-border); border-radius: var(--ui-input-radius); background: var(--ui-panel); }
.rm-unified-search:focus-within { border-color: var(--ui-accent); outline: var(--ui-focus-width) solid var(--ui-accent); outline-offset: var(--ui-focus-offset); box-shadow: var(--ui-focus); }
#reading-manager form.rm-unified-search input[type=search] { flex: 1; min-width: 0; width: 80px; max-width: none; min-height: 0; height: 100%; padding: 8px 10px; border: 0; border-radius: 0; box-shadow: none; background: transparent; font-size: var(--ui-font-label); }
#reading-manager form.rm-unified-search input[type=search]:focus-visible { outline: none; }
#reading-manager .rm-unified-search select { flex: none; width: 96px; min-height: 0; height: 100%; border: 0; border-left: 1px solid var(--ui-border); border-radius: 0 var(--ui-input-radius) var(--ui-input-radius) 0; background: transparent; font-size: var(--ui-font-caption); }
.rm-unified-search > .rm-icon { width: 15px; height: 15px; color: var(--ui-muted); }
.rm-display-switch { gap: 2px; margin-left: auto; flex: none; padding: 2px; border: 1px solid var(--ui-border); border-radius: var(--ui-input-radius); background: var(--ui-bg); }
.rm-display-switch button { min-width: 30px; min-height: 28px; padding: 4px; border: 0; }
.rm-display-switch .rm-icon { width: 17px; height: 17px; }
.rm-display-switch button[aria-pressed="true"] { background: var(--ui-panel); color: var(--ui-accent); box-shadow: 0 1px 3px color-mix(in srgb, var(--ui-text) 6%, transparent); }
.rm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); align-content: start; gap: 15px; padding-top: 3px; }
.rm-grid .rm-row { position: relative; grid-template-columns: minmax(0, 1fr) 70px; grid-template-rows: 100px auto auto; gap: 0; align-items: start; min-height: 195px; padding: 0 13px 10px; border: 1px solid var(--ui-border); border-radius: var(--ui-section-radius); background: var(--ui-panel); overflow: hidden; }
.rm-grid .rm-row.is-selected { border-color: var(--ui-accent); background: var(--ui-accent-soft); }
.rm-grid .rm-row > .rm-format { display: none; }
.rm-grid .rm-row > .rm-row-check { position: absolute; top: 0; left: 0; width: 44px; z-index: 1; }
.rm-grid .rm-row-main { grid-column: 1 / -1; padding-top: 10px; }
.rm-grid .rm-row-title { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; font-size: var(--ui-font-label); min-height: 36px; line-height: 1.5; }
.rm-grid .rm-row-meta { margin-top: 5px; }
.rm-grid .rm-row-date { text-align: left; padding-top: 9px; align-self: center; }
.rm-grid .rm-row-actions { padding: 3px 0 0; align-self: end; }
.rm-structure-preview { position: relative; height: 100px; grid-column: 1 / -1; margin: 0 -13px; background: var(--ui-bg); border-bottom: 1px solid var(--ui-border); display: grid; place-items: center; color: var(--ui-accent); }
.rm-structure-preview svg { width: 100%; height: 100%; padding: 10px; box-sizing: border-box; }
/* 图内颜色只由目标快照主题决定；外层仍跟随当前管理器主题。 */
.rm-structure-preview[data-map-theme="light"] { --preview-surface: #ffffff; --preview-border: #e3e7ed; --preview-tech-surface: #ffffff; }
.rm-structure-preview[data-map-theme="dark"] { --preview-surface: #202833; --preview-border: #34404f; --preview-tech-surface: #0d162c; }
.rm-preview-node { fill: var(--preview-tech-surface, var(--reader-library-bg)); stroke: currentColor; stroke-width: 1; }
.rm-preview-node.is-root { fill: currentColor; }
.rm-structure-preview:is([data-map-style="elegant"], [data-map-style="ink"], [data-map-style="compact"], [data-map-style^="ribbon"]) .rm-preview-node { fill: var(--preview-surface, var(--ui-panel)); stroke: var(--preview-border, var(--ui-border)); }
.rm-structure-preview:is([data-map-style="elegant"], [data-map-style="ink"], [data-map-style="compact"], [data-map-style^="ribbon"]) .rm-preview-node.is-root { fill: color-mix(in srgb, currentColor 8%, var(--preview-surface, var(--ui-panel))); }
.rm-preview-accent { stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; }
.rm-preview-link { fill: none; stroke: currentColor; stroke-width: 1; opacity: .5; }
.rm-preview-caption { color: var(--ui-muted); font-size: 10px; text-align: center; padding: 0 14px; }
.rm-structure-preview svg + .rm-preview-caption { position: absolute; bottom: 3px; font-size: 9px; }
@media (max-width: 900px) {
  #reading-manager { --manager-content-pad: 12px; }
  .rm-column-labels { display: none; }
  .rm-list-area { padding: 0 16px 16px; }
  .rm-row { grid-template-columns: 28px minmax(0, 1fr) 44px; gap: 6px; min-height: 72px; padding: var(--ui-row-padding); }
  .rm-row:has(.rm-row-check) { grid-template-columns: 44px minmax(0, 1fr) 44px; }
  .rm-format { width: 28px; }
  .rm-row-main { min-width: 0; }
  /* 保留原列表字号和扩展触摸区域，压缩仅发生在头部。 */
  #reading-manager .rm-row-title { min-height: var(--ui-touch-target); margin: -10px 0 -7px; padding: 10px 0 7px; white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; font-size: var(--ui-font-label); line-height: 1.55; }
  .rm-row-actions { margin-left: auto; }
  .rm-row-date, .rm-row-preview-action { display: none; }
  .rm-row-date-mobile { display: inline; }
  .rm-row-actions { padding: 0; }
  .rm-row-actions .rm-btn { width: var(--ui-touch-target); min-width: var(--ui-touch-target); }
  .rm-display-switch button { min-width: var(--ui-touch-target); }
  .rm-import-progress, .rm-inline-error { padding: 10px 12px; flex-wrap: wrap; }
  .rm-dropzone { margin-top: 20px; padding: 32px 16px; }
  .rm-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .rm-grid .rm-row { grid-template-columns: minmax(0, 1fr); grid-template-rows: 80px auto auto; min-height: 183px; padding: 0 10px 8px; }
  .rm-grid .rm-row:has(.rm-row-check) { grid-template-columns: minmax(0, 1fr); }
  .rm-grid .rm-structure-preview { margin: 0 -10px; height: 80px; }
  .rm-grid .rm-row-actions { grid-column: 1; }
  .rm-grid .rm-row-meta { font-size: 9px; }
}