/* nb-* 基础组件（Neobrutalism）。
 * 统一交互范式：hover 抬起（位移 + 阴影增大），active 压平（位移归零 + 无阴影）。 */
.nb-btn {
  display: inline-block;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  padding: 8px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.nb-btn:hover:not(:disabled) {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow);
}

.nb-btn:active:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.nb-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.nb-btn--primary {
  background: var(--c-blue);
}

.nb-btn--yellow {
  background: var(--c-yellow);
}

.nb-input {
  border: var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font: inherit;
  background: var(--paper);
}

.nb-input:focus {
  outline: none;
  box-shadow: var(--shadow-sm);
}

.nb-badge {
  display: inline-block;
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 1px 8px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.nb-badge--book { background: var(--c-yellow); }
.nb-badge--note { background: var(--c-green); }
.nb-badge--image { background: var(--c-pink); }
.nb-badge--group { background: var(--c-blue); }
.nb-badge--attachment { background: var(--c-orange); }
.nb-badge--ria { background: var(--c-teal); }
.nb-badge--flashcard { background: var(--c-flash); }
.nb-badge--task { background: var(--c-purple); }

.nb-card {
  background: var(--paper);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.nb-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow);
}

.nb-card__thumb {
  height: 120px;
  border-bottom: var(--border);
  display: grid;
  place-items: center;
  font-size: 32px;
  font-weight: 800;
}

.nb-card__thumb--book { background: var(--c-yellow); }
.nb-card__thumb--note { background: var(--c-green); }
.nb-card__thumb--image { background: var(--c-pink); }
.nb-card__thumb--group { background: var(--c-blue); }
.nb-card__thumb--attachment { background: var(--c-orange); }
.nb-card__thumb--ria { background: var(--c-teal); }
.nb-card__thumb--flashcard { background: var(--c-flash); }

.review-intervals {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.today-due-title {
  margin-top: 28px;
}
.nb-card__thumb--task { background: var(--c-purple); }

.nb-card__body {
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.nb-card__title {
  font-size: 15px;
  font-weight: 700;
}

.nb-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nb-tabs__item {
  border: var(--border);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 6px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.nb-tabs__item--active {
  background: var(--c-yellow);
  box-shadow: var(--shadow-sm);
}

/* modal（<dialog>），使用留 M1 */
.nb-modal {
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0;
  max-width: 520px;
  width: calc(100% - 32px);
}

.nb-modal::backdrop {
  background: rgba(17, 17, 17, 0.45);
}

.nb-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: var(--border);
  background: var(--c-yellow);
  font-weight: 700;
}

.nb-modal__body {
  padding: 16px;
}

/* 卡片缩略图内图片（M2 起有真实 thumb） */
.nb-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 详情表（块详情 modal / 页面共用） */
.detail-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 14px;
}

.detail-table th,
.detail-table td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 2px solid var(--c-gray);
}

.detail-table th {
  width: 72px;
  white-space: nowrap;
  color: var(--muted);
  font-weight: 400;
}

/* 图片详情大图 */
.nb-image-full {
  display: block;
  max-width: 100%;
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin: 12px 0;
}

/* 详情导航（prev/首页/next） */
.detail-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

/* 上传错误提示 */
.upload-error {
  background: var(--c-pink);
  border: var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-weight: 700;
}

/* 上传进度条 */
.upload-progress {
  width: 100%;
  height: 18px;
  appearance: none;
  -webkit-appearance: none;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--paper);
}

.upload-progress::-webkit-progress-bar {
  background: var(--paper);
}

.upload-progress::-webkit-progress-value {
  background: var(--c-green);
}

.upload-progress::-moz-progress-bar {
  background: var(--c-green);
}

/* ---------- 笔记编辑器（M3/M6.5） ---------- */
body[data-page="note-editor"] .container,
body[data-page="block-detail"] .container {
  max-width: 1400px;
}
.editor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 20px;
  align-items: start;
}

.editor-pane {
  padding: 0;
  overflow: visible; /* EditorJS 的块把手/工具条定位在内容左侧，不可裁剪 */
}

.editor-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: var(--border);
  background: var(--c-green);
}

.editor-title {
  font-size: 16px;
  font-weight: 800;
}

.org-editor-holder {
  padding: 16px 16px 16px 56px; /* 左侧留出 EditorJS 块把手空间 */
  min-height: 55vh;
}

.save-status {
  display: inline-block;
  margin: 8px 14px;
  padding: 6px 10px;
  border: 2px solid var(--ink);
  background: var(--c-green);
  font-weight: 700;
}

.save-status--error {
  background: var(--c-pink);
}

.org-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.org-header__stars {
  color: var(--muted);
  font-family: var(--font-mono);
  user-select: none;
}

.org-header__text {
  flex: 1;
  font-weight: 800;
  outline: none;
}

.org-header--l1 .org-header__text { font-size: 26px; }
.org-header--l2 .org-header__text { font-size: 21px; }
.org-header--l3 .org-header__text { font-size: 18px; }

.org-header__tags {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.side-pane {
  padding: 12px;
}

.outline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.outline__item--l1 { font-weight: 800; }
.outline__item--l2 { padding-left: 16px; }
.outline__item--l3 { padding-left: 32px; }

.outline__link {
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
  padding: 2px 0;
  text-align: left;
}

.outline__link:hover {
  text-decoration: underline;
}

#source-panel {
  max-height: 60vh;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  border: var(--border);
  border-radius: var(--radius);
  padding: 10px;
  background: var(--paper);
  margin: 8px 0;
}

.new-menu {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

@media (max-width: 900px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }
}

/* ---------- 阅读器沉浸页（M4） ---------- */
.reader-topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--paper);
  border-bottom: var(--border);
}

.reader-title {
  flex: 1;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reader-progress {
  font-family: var(--font-mono);
  font-weight: 700;
  background: var(--c-yellow);
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 1px 10px;
}

.reader-body {
  position: relative;
  display: flex;
}

.reader-holder {
  flex: 1;
  height: calc(100vh - 61px);
  background: var(--paper);
  border: var(--border);
  border-radius: var(--radius);
  margin: 12px;
  overflow: hidden;
}

.toc-panel {
  position: absolute;
  left: 12px;
  top: 12px;
  bottom: 12px;
  width: 280px;
  z-index: var(--z-drawer);
  background: var(--paper);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: auto;
  padding: 10px;
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc-list--d1 {
  padding-left: 14px;
}

.toc-list--d2 {
  padding-left: 28px;
}

.toc-panel a {
  display: block;
  padding: 4px 6px;
  border-bottom: 1px solid var(--c-gray);
}

.toc-panel a:hover {
  background: var(--c-yellow);
}

/* ---------- 块组合：批量/标签/拖拽（M5） ---------- */
.bulk-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  background: var(--c-yellow);
  padding: 8px 12px;
  margin-bottom: 12px;
  font-weight: 700;
}

/* display:flex 会覆盖 hidden 属性的 UA 样式，必须显式关掉（否则「已选 0 项」常驻） */
.bulk-bar[hidden] {
  display: none;
}

.tag-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.tag-chip {
  cursor: pointer;
  text-decoration: none;
  padding: 3px 10px;
}

.tag-chip--active {
  background: var(--c-yellow);
  outline: 2px solid var(--ink);
}

.card-check {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 2;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 2px;
  opacity: 0;
  transition: opacity 0.1s;
}

.nb-card {
  position: relative;
}

.nb-card:hover .card-check,
.card-check input:checked + * {
  opacity: 1;
}

.nb-card:has(.card-check input:checked) {
  outline: 3px solid var(--c-blue);
}

.nb-card--droppable {
  /* 平时与普通卡片一致；拖拽悬停时由 .nb-card--drop-hover 高亮 */
}

.nb-card--drop-hover {
  background: var(--c-green);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow);
}

.tags-form {
  display: flex;
  gap: 8px;
  margin: 10px 0;
}

.tags-form .nb-input {
  flex: 1;
}

.grid-blocks--nested {
  margin-top: 8px;
}

/* 搜索结果 */
.search-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.search-notes__link {
  display: block;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-sm);
  padding: 10px 14px;
}

.search-notes__link:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow);
}

.search-notes__snippet {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

/* 反链 / 未解析链接（M6） */
.network-panel,
#unresolved-panel {
  margin-top: 14px;
  border-top: 2px solid var(--c-gray);
  padding-top: 10px;
}

.backlinks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.backlinks__link {
  display: block;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 8px 10px;
}

.backlinks__link:hover {
  background: var(--c-green);
}

.unresolved-item {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 6px 10px;
  background: var(--c-pink);
}

.unresolved-desc {
  font-weight: 700;
}

/* 任务独立编辑页（U2） */
.task-edit-page {
  max-width: 760px;
  margin: 0 auto;
}

.task-form--page {
  padding: 20px 24px 24px;
}

.task-form--page .nb-input {
  width: 100%; /* 输入框撑满栏宽（默认贴边且窄） */
}

.field-label {
  display: block;
  font-weight: 700;
  margin-bottom: 4px;
}

.task-times {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 720px) {
  .task-times {
    grid-template-columns: 1fr;
  }
}

textarea.nb-input {
  resize: vertical;
  min-height: 60px;
}

/* OrgLink 编辑块（U3） */
.org-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 4px 0;
}

.org-link input {
  border: var(--border);
  border-radius: var(--radius);
  padding: 6px 10px;
  font: inherit;
  background: var(--paper);
}

/* ---------- 知识图谱（G1/G2） ---------- */
.grid-tabs-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

body[data-page="graph"] .container {
  max-width: none;
  padding: 16px 20px 20px;
}

.graph-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.graph-kind-tabs {
  display: inline-flex;
  flex-wrap: wrap;
}

.graph-meta {
  color: var(--muted);
  font-size: 13px;
  margin-left: auto;
}

#graph-canvas {
  display: block;
  width: 100%;
  height: calc(100vh - 215px);
  min-height: 480px;
  background: var(--paper);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  cursor: grab;
  touch-action: none;
}

#graph-canvas.dragging {
  cursor: grabbing;
}

.graph-hint {
  margin-top: 8px;
}

/* ---------- RIA 便签（M6.9，css+js 表现层） ---------- */
.ria-edit-page {
  max-width: 1180px;
  margin: 0 auto;
}

.ria-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  align-items: start;
  margin-top: 14px;
}

.ria-preview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
  margin-top: 14px;
}

@media (max-width: 900px) {
  .ria-layout,
  .ria-preview {
    grid-template-columns: 1fr;
  }
}

.ria-sticky {
  position: relative;
  background: var(--sticky-bg, #fff);
  padding: 22px 14px 14px;
  border-radius: 2px;
  box-shadow: 0 8px 14px rgba(17, 17, 17, 0.16);
  transform: rotate(var(--tilt, 0deg));
  min-height: 150px;
}

.ria-sticky::before {
  /* 顶部胶带 */
  content: "";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  width: 72px;
  height: 20px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(17, 17, 17, 0.12);
}

.ria-sticky--i {
  --sticky-bg: #FFF3B0;
  --tilt: -1.2deg;
}

.ria-sticky--a1 {
  --sticky-bg: #D9F2D0;
  --tilt: 0.9deg;
}

.ria-sticky--a2 {
  --sticky-bg: #CFE4FA;
  --tilt: -0.6deg;
}

.ria-sticky__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--paper);
  font-weight: 900;
  margin-right: 8px;
  vertical-align: middle;
}

.ria-sticky__title {
  vertical-align: middle;
}

.ria-sticky__editor,
.ria-sticky__text {
  display: block;
  width: 100%;
  margin-top: 10px;
  background: transparent;
  border: none;
  font: inherit;
  line-height: 1.7;
  overflow: hidden;
}

.ria-sticky__editor {
  min-height: 190px;
  resize: none;
  outline: none;
}

.ria-sticky__count {
  display: block;
  text-align: right;
  font-size: 11px;
  color: rgba(17, 17, 17, 0.45);
}

.ria-save-row {
  margin-top: 20px;
}

/* ---------- 分组编辑器（M6.10） ---------- */
.organize-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.organize-head h2 {
  margin: 0;
}

.organize-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

@media (max-width: 900px) {
  .organize-layout {
    grid-template-columns: 1fr;
  }
}

.organize-pane {
  padding: 18px 20px;
}

.organize-pane h3 {
  margin-bottom: 12px;
}

.organize-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 6px;
  border-bottom: 1px dashed rgba(17, 17, 17, 0.16);
}

.organize-row:last-child {
  border-bottom: none;
}

.organize-row .nb-btn {
  flex-shrink: 0;
}

.organize-row-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
}

.organize-search {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.organize-search .nb-input {
  flex: 1;
  min-width: 0;
}

/* ---------- 日历 / 今日（M6.13） ---------- */
.cal-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.cal-weekday {
  text-align: center;
  font-weight: 900;
  padding: 4px 0;
}

.cal-weekday--sun {
  color: #D64545;
}

.cal-day {
  min-height: 96px;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cal-day--dim {
  opacity: 0.4;
  background: transparent;
  box-shadow: none;
}

.cal-day--today {
  background: #FFF3B0;
  box-shadow: var(--shadow-sm);
}

.cal-daynum {
  font-weight: 900;
  font-size: 13px;
}

.cal-chip {
  display: block;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
  font: inherit;
  font-size: 11px;
  background: var(--c-purple);
  border: 1px solid #111;
  border-radius: 4px;
  padding: 2px 5px;
  cursor: pointer;
}

.cal-chip:hover {
  transform: translate(-1px, -1px);
  box-shadow: 2px 2px 0 #111;
}

.cal-year-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.cal-mini h4 {
  margin: 0 0 6px;
}

.cal-mini-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.cal-mini-head {
  font-size: 9px;
  font-weight: 700;
  text-align: center;
  color: var(--muted);
}

.cal-mini-day {
  font-size: 10px;
  text-align: center;
  padding: 2px 0;
  border-radius: 3px;
}

.cal-mini-day--dim {
  opacity: 0.35;
}

.cal-mini-day--has {
  background: var(--c-purple);
  font-weight: 900;
  cursor: default;
}

.cal-mini-day--today {
  outline: 2px solid #111;
}

/* 今日时间线：中央竖线，条目左右交替，卡片复用首页 _card_block */
.today-timeline {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 0;
}

.today-timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: #111;
  transform: translateX(-50%);
  border-radius: 2px;
}

.today-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 56px minmax(0, 1fr);
  align-items: center;
  margin-bottom: 20px;
}

.today-node {
  width: 18px;
  height: 18px;
  background: var(--c-purple);
  border: var(--border);
  border-radius: 50%;
  justify-self: center;
  position: relative;
  z-index: 1;
}

.today-cell--meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 卡片限宽 440 且贴向时间线（cell 保持 stretch，用 margin 对齐） */
.today-cell--card .nb-card {
  width: min(100%, 440px);
}

.today-entry--left .today-cell--card .nb-card {
  margin-right: auto; /* 贴 cell 左缘（即时间线） */
}

.today-entry--right .today-cell--card .nb-card {
  margin-left: auto;
}

.today-entry--left .today-cell--meta {
  justify-content: flex-end;
  padding-right: 18px;
}

.today-entry--right .today-cell--meta {
  justify-content: flex-start;
  padding-left: 18px;
}

.today-time {
  font-weight: 900;
  font-size: 15px;
  white-space: nowrap;
}

.today-empty {
  text-align: center;
  padding: 60px 0;
}