/* 体验增强样式：脏状态、搜索模式、移动端保存、快捷键帮助 */

.note-sidebar-item.is-dirty::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 6px;
  border-radius: 50%;
  background: #f59e0b;
  vertical-align: middle;
}

.note-sidebar-search {
  display: flex;
  align-items: stretch;
  gap: 6px;
}

.note-sidebar-search__input {
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
  height: 34px;
  box-sizing: border-box;
}

.note-sidebar-search__mode {
  flex: 0 0 auto;
  align-self: stretch;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 34px;
  padding: 0 6px;
  box-sizing: border-box;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: rgba(0, 0, 0, 0.03);
  font: inherit;
  font-size: var(--font-size-xs, 12px);
  line-height: 1;
  cursor: pointer;
  color: inherit;
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.note-sidebar-search__mode:hover {
  background: rgba(0, 0, 0, 0.06);
}

.note-sidebar-search__mode:focus-visible {
  outline: none;
  border-color: rgba(59, 130, 246, 0.55);
  box-shadow: var(--focus-ring, 0 0 0 2px rgba(59, 130, 246, 0.35));
}

.dark .note-sidebar-search__mode {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: #e6e6e6;
}

.dark .note-sidebar-search__mode:hover {
  background: rgba(255, 255, 255, 0.1);
}

.note-sidebar-search__mode.is-body-mode {
  background: rgba(9, 105, 218, 0.12);
  border-color: rgba(9, 105, 218, 0.35);
  color: #0969da;
}

.note-sidebar-search__mode.is-active-sort {
  background: rgba(9, 105, 218, 0.12);
  border-color: rgba(9, 105, 218, 0.35);
  color: #0969da;
}

.dark .note-sidebar-search__mode.is-body-mode {
  background: rgba(88, 166, 255, 0.15);
  border-color: rgba(88, 166, 255, 0.4);
  color: #58a6ff;
}

.dark .note-sidebar-search__mode.is-active-sort {
  background: rgba(88, 166, 255, 0.15);
  border-color: rgba(88, 166, 255, 0.4);
  color: #58a6ff;
}

#noteTitleSaveBtn.is-dirty-highlight {
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.45);
}

.note-save-status[data-state='dirty']::before {
  background: #f59e0b !important;
}

/* 编辑区：标题固定、正文独立滚动（桌面端）；纸质主题标题区透明以透出纹理 */
.grain-paper .note-editor-header,
.linen-paper .note-editor-header,
.recycled-paper .note-editor-header,
.newspaper-paper .note-editor-header,
.marble-paper .note-editor-header,
.graph-paper .note-editor-header,
.dotted-paper .note-editor-header {
  background: transparent;
  box-shadow: none;
}

@media (min-width: 769px) {
  .grain-paper .note-editor-header,
  .linen-paper .note-editor-header,
  .recycled-paper .note-editor-header,
  .newspaper-paper .note-editor-header,
  .marble-paper .note-editor-header,
  .graph-paper .note-editor-header,
  .dotted-paper .note-editor-header {
    background: color-mix(in srgb, var(--dough-white) 82%, transparent);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-shadow: 0 1px 0 color-mix(in srgb, var(--c-border-primary) 45%, transparent);
  }
}

@media (max-width: 768px) {
  #noteTitleSaveBtn {
    position: sticky;
    bottom: 0;
    z-index: 5;
  }

  .note-md-body {
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
}

.shortcuts-help p {
  margin: 0.35em 0;
  text-align: left;
}

.shortcuts-help kbd {
  display: inline-block;
  min-width: 1.5em;
  padding: 2px 6px;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  background: rgba(0, 0, 0, 0.04);
  font-size: 12px;
}

/* ---------- 管理后台（与主应用 design-tokens + btn 统一） ---------- */

.admin-page-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-body, 16px);
  line-height: var(--line-height-body, 1.5);
  color: var(--c-text-primary);
  background: var(--c-bg-body);
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--navbar-height, 40px);
  background: var(--navbar-surface);
  border-bottom: 1px solid var(--navbar-surface-border);
  box-shadow: var(--shadow-sm);
}

.admin-topbar__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-4, 16px);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-2, 8px);
}

.admin-topbar__brand {
  font-size: var(--font-size-ui, 14px);
  font-weight: 600;
  color: var(--brand-heading-color);
  letter-spacing: 0.02em;
}

.admin-topbar__sep {
  color: var(--navbar-fg-muted);
  opacity: 0.6;
  user-select: none;
}

.admin-topbar__title {
  font-size: var(--font-size-sm, 13px);
  color: var(--navbar-fg-muted);
}

.admin-page {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-6, 24px) var(--space-4, 16px) var(--space-8, 32px);
}

.admin-panel {
  background: var(--surface-elevated);
  border: 1px solid var(--c-border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-5, 20px);
}

.admin-panel__header {
  margin-bottom: var(--space-4, 16px);
}

.admin-panel__title {
  margin: 0 0 var(--space-1, 4px);
  font-size: var(--font-size-md, 18px);
  font-weight: 600;
  color: var(--c-text-primary);
}

.admin-panel__status {
  margin: 0;
  font-size: var(--font-size-sm, 13px);
  color: var(--c-text-secondary);
}

.admin-panel__status.is-error {
  color: var(--c-danger);
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-3, 12px);
  margin-bottom: var(--space-5, 20px);
}

.admin-stat-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1, 4px);
  padding: var(--space-3, 12px) var(--space-3-5, 14px);
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border-primary);
  background: var(--surface-subtle);
}

.admin-stat-card__label {
  font-size: var(--font-size-xs, 12px);
  color: var(--c-text-secondary);
}

.admin-stat-card__value {
  font-size: var(--font-size-xl, 22px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--c-text-primary);
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2, 8px);
  padding-top: var(--space-4, 16px);
  border-top: 1px solid var(--c-border-primary);
}

.admin-actions .btn {
  min-height: 36px;
  padding: 0 var(--space-4, 16px);
  font-size: var(--font-size-sm, 13px);
  border-radius: var(--radius-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 480px) {
  .admin-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-actions .btn {
    width: 100%;
  }
}

@media (prefers-color-scheme: dark) {
  .admin-page-body:not(.force-light) {
    --c-text-primary: #e6e8ec;
    --c-text-secondary: #9aa3b2;
    --c-border-primary: rgba(255, 255, 255, 0.12);
    --c-bg-body: #0f1419;
    --surface-elevated: #161b22;
    --surface-subtle: #1c2128;
  }
}