* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  font-family: var(--font-sans);
  font-size: var(--text-md);
  color: var(--color-text);
  background:
    radial-gradient(1000px 680px at 88% -18%, rgba(var(--accent-magenta-rgb), 0.11), transparent 58%),
    radial-gradient(820px 580px at 8% -14%, rgba(var(--accent-cyan-rgb), 0.1), transparent 56%),
    var(--color-bg);
}

a {
  color: inherit;
}

.app-shell {
  position: relative;
  isolation: isolate;
  height: 100vh;
  display: grid;
  grid-template-rows: 58px 1fr;
}

.app-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.015;
  background-image: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.4) 0.4px, transparent 0.7px);
  background-size: 220px 220px;
}

.workspace,
.modal-backdrop,
.toast-stack,
.ai-loader-wrap {
  position: relative;
  z-index: 1;
}

.topbar {
  position: relative;
  z-index: 20;
  height: 58px;
  border-bottom: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  background: linear-gradient(
      155deg,
      rgba(255, 255, 255, calc(var(--panel-alpha) + 0.02)),
      rgba(255, 255, 255, calc(var(--panel-alpha) - 0.01))
    ),
    var(--color-surface-1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  gap: var(--space-3);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.05), var(--shadow-soft);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
}

.brand .badge {
  margin-left: 4px;
}

.kpi-label {
  font-size: 10px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
}

.notes-kpi-value {
  font-size: var(--text-xl);
  line-height: 1;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.topbar-actions-main,
.topbar-actions-extra {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.topbar-main-menu-panel {
  width: min(300px, 84vw);
}

.topbar-main-menu-panel .dropdown-item {
  width: 100%;
  justify-content: flex-start;
}

.topbar-main-menu-themes {
  display: grid;
  gap: 6px;
  padding-top: 4px;
}

.topbar-main-menu-themes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding-left: 8px;
  border-left: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
}

.panel-icon {
  width: 18px;
  height: 18px;
}

.panel-icon rect {
  fill: rgba(255, 255, 255, 0.1);
  stroke: rgba(255, 255, 255, 0.35);
  stroke-width: 1;
}

.panel-icon--left rect:first-child,
.panel-icon--center rect:nth-child(2) {
  fill: rgba(var(--accent-cyan-rgb), 0.55);
  stroke: rgba(var(--accent-cyan-rgb), 0.92);
}

.btn,
.input,
.textarea,
.select {
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, var(--panel-alpha));
  color: var(--color-text);
  transition:
    background var(--motion-base) var(--ease-standard),
    border-color var(--motion-base) var(--ease-standard),
    opacity var(--motion-fast) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard),
    transform var(--motion-fast) var(--ease-standard);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 12px;
  height: 38px;
  min-height: 38px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 550;
  line-height: 1;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-icon {
  width: 38px;
  height: 38px;
  min-width: 38px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.actions-inline {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.btn:hover,
.btn:active {
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.03));
  border-color: rgba(var(--accent-cyan-rgb), 0.46);
  box-shadow: 0 0 0 1px rgba(var(--accent-cyan-rgb), 0.22);
}

.btn:focus-visible,
.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible,
.tab:focus-visible,
.tree-summary:focus-visible,
.note-item:focus-visible,
.folder-item:focus-visible,
.resize-handle:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus), 0 0 0 1px rgba(var(--accent-cyan-rgb), 0.35);
  border-color: var(--accent-cyan);
}

.btn-primary {
  background: var(--btn-primary-bg, linear-gradient(140deg, rgba(var(--accent-cyan-rgb), 0.92), rgba(var(--accent-violet-rgb), 0.86)));
  color: var(--btn-primary-text, #09121d);
  border-color: var(--btn-primary-border, rgba(var(--accent-cyan-rgb), 0.48));
  font-weight: 700;
  box-shadow: none;
}

.btn-primary:hover,
.btn-primary:active {
  background: var(--btn-primary-bg-hover, linear-gradient(140deg, rgba(var(--accent-cyan-rgb), 0.98), rgba(var(--accent-violet-rgb), 0.9)));
  border-color: var(--btn-primary-hover-border, rgba(var(--accent-cyan-rgb), 0.62));
  box-shadow: 0 0 0 1px rgba(var(--accent-cyan-rgb), 0.22);
  transform: translateY(-1px);
}

.btn-danger {
  color: var(--color-danger);
}

.input,
.textarea,
.select {
  width: 100%;
  padding: 10px 12px;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.9;
}

.textarea {
  resize: vertical;
  min-height: 74px;
}

.tag-editor {
  width: 100%;
  min-height: 40px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 5px 8px;
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, var(--panel-alpha));
  transition:
    background var(--motion-base) var(--ease-standard),
    border-color var(--motion-base) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard);
}

.tag-editor:focus-within {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-focus), 0 0 0 1px rgba(var(--accent-cyan-rgb), 0.35);
}

.tag-editor__list {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-editor__chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  max-width: 100%;
  padding: 3px 7px 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(var(--accent-cyan-rgb), 0.38);
  background: linear-gradient(140deg, rgba(var(--accent-cyan-rgb), 0.2), rgba(var(--accent-violet-rgb), 0.16));
  color: var(--color-text);
  font-size: 12px;
  line-height: 1.2;
}

.tag-editor__chip-text {
  white-space: nowrap;
}

.tag-editor__chip-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  min-width: 16px;
  border: 0;
  border-radius: 50%;
  padding: 0;
  background: rgba(255, 255, 255, 0.14);
  color: inherit;
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
}

.tag-editor__chip-remove:hover {
  background: rgba(255, 255, 255, 0.24);
}

.tag-editor__input {
  flex: 1;
  min-width: 160px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  line-height: 1.2;
  padding: 4px 2px;
}

.tag-editor__input::placeholder {
  color: var(--color-text-muted);
}

.workspace {
  position: relative;
  height: calc(100vh - 58px);
  display: grid;
  grid-template-columns: var(--left-panel, 280px) var(--left-handle, 8px) var(--center-panel, 340px) var(--center-handle, 8px) minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) 8px;
}

#left-panel {
  grid-column: 1;
  grid-row: 1;
}

#left-resize-handle {
  grid-column: 2;
  grid-row: 1;
}

#notes-panel {
  grid-column: 3;
  grid-row: 1;
}

#center-resize-handle {
  grid-column: 4;
  grid-row: 1;
}

#editor-panel {
  grid-column: 5;
  grid-row: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  padding-bottom: 0;
}

#workspace-bottom-chrome {
  grid-column: 1 / -1;
  grid-row: 2;
  background: linear-gradient(180deg, rgba(var(--accent-cyan-rgb), 0.06), rgba(var(--accent-violet-rgb), 0.06));
  border-top: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
}

#editor-panel-content {
  flex: 1;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel {
  overflow: auto;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, calc(var(--panel-alpha) + 0.014)), rgba(255, 255, 255, var(--panel-alpha))),
    var(--color-surface-1);
  border-right: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  padding: var(--space-4);
}

.dashboard-card {
  border-radius: 0;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -1px 0 rgba(255, 255, 255, 0.02),
    0 8px 18px rgba(0, 0, 0, 0.22);
}

.panel.center {
  background:
    linear-gradient(155deg, rgba(255, 255, 255, calc(var(--panel-alpha) + 0.02)), rgba(255, 255, 255, calc(var(--panel-alpha) - 0.008))),
    var(--color-surface-2);
}

.panel.right {
  border-right: 0;
}

.panel.hidden {
  display: none;
}

.settings-ai-shell {
  height: auto;
  min-height: 100vh;
  grid-template-rows: auto auto;
}

.settings-ai-main {
  overflow: visible;
  height: auto;
  min-height: 0;
}

.settings-ai-shell .panel.right.settings-ai-main {
  overflow: visible;
  height: auto;
  min-height: 0;
}

.resize-handle {
  background: linear-gradient(180deg, rgba(var(--accent-cyan-rgb), 0.06), rgba(var(--accent-violet-rgb), 0.06));
  border-right: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-left: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  cursor: col-resize;
  transition: background var(--motion-fast) var(--ease-standard), box-shadow var(--motion-fast) var(--ease-standard);
}

.resize-handle:hover {
  background: linear-gradient(180deg, rgba(var(--accent-cyan-rgb), 0.14), rgba(var(--accent-magenta-rgb), 0.14));
  box-shadow: inset 0 0 0 1px rgba(var(--accent-cyan-rgb), 0.35);
}

.resize-handle.hidden {
  display: none;
}

.section-title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-md);
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.stack {
  display: grid;
  gap: var(--space-2);
}

.row {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  min-width: 0;
}

.editor-actions .btn {
  min-height: 38px;
}

.editor-actions .btn.active {
  border-color: rgba(var(--accent-cyan-rgb), 0.52);
  background: rgba(var(--accent-cyan-rgb), 0.16);
}
.editor-actions__spacer {
  margin-left: auto;
}

.editor-ai-dropdown .editor-ai-menu {
  top: auto;
  bottom: calc(100% + 8px);
  right: auto;
  left: 0;
  width: 220px;
}

.note-item,
.folder-item {
  display: block;
  padding: var(--space-3);
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, var(--panel-alpha));
  text-decoration: none;
  overflow: hidden;
  min-width: 0;
  transition:
    background var(--motion-base) var(--ease-standard),
    border-color var(--motion-base) var(--ease-standard),
    box-shadow var(--motion-base) var(--ease-standard),
    transform var(--motion-fast) var(--ease-standard);
}

.note-item > strong {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  font-weight: 650;
}

.tree-row {
  display: flex;
  align-items: center;
  gap: 2px;
}

.tree-toggle {
  width: 30px;
  height: 30px;
  min-width: 30px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tree-toggle-space {
  width: 30px;
  min-width: 30px;
}

.tree-children {
  display: grid;
  gap: 4px;
  border-left: 1px dashed rgba(255, 255, 255, calc(var(--stroke-alpha) + 0.05));
  margin-left: 4px;
  padding-left: 2px;
}

.tree-node {
  margin: 0;
}

.tree-summary {
  list-style: disclosure-closed;
  cursor: pointer;
  color: var(--color-text-muted);
  margin: 0;
  padding: 0;
  border-radius: var(--radius-sm);
}

.tree-node[open] > .tree-summary {
  list-style: disclosure-open;
}

.tree-summary::-webkit-details-marker {
  color: var(--color-text-muted);
}

.tree-summary .folder-item,
.tree-leaf .folder-item {
  margin-top: 1px;
  padding: 7px 10px;
}

.tree-folder-name {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  font-weight: 600;
  font-size: var(--text-sm);
}

.folder-entry {
  display: flex;
  align-items: center;
  gap: 6px;
}

.folder-entry-actions {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.folder-entry .folder-item {
  flex: 1;
  min-width: 0;
}

.folder-item.is-rename-locked {
  cursor: default;
}

.folder-name-label {
  display: inline-flex;
  align-items: center;
  min-height: 1.35rem;
  min-width: 1.5ch;
  line-height: 1.2;
}

.folder-name-icon {
  flex: 0 0 auto;
  line-height: 1;
}

.folder-name-label.is-editing {
  background: rgba(var(--accent-cyan-rgb), 0.12);
  border-radius: 6px;
  outline: 1px solid rgba(var(--accent-cyan-rgb), 0.38);
  padding: 2px 6px;
  cursor: text;
}

.folder-name-label.is-editing:empty::before {
  content: " ";
}

.folder-name-inline-input {
  width: 100%;
  min-width: 6ch;
  border: 0;
  outline: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  line-height: inherit;
  padding: 0;
}

.folder-edit-trigger,
.folder-delete-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  min-width: 24px;
  margin-left: auto;
  border: 0;
  padding: 0;
  background: transparent;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  color: var(--color-text-muted);
  transition: opacity var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard);
  cursor: pointer;
}

.folder-edit-trigger:hover,
.folder-delete-trigger:hover {
  color: var(--color-text);
}

.folder-delete-trigger:hover {
  color: var(--color-danger);
}

.folder-delete-form {
  margin: 0;
}

.folder-entry.is-active:hover :is(.folder-edit-trigger, .folder-delete-trigger),
.folder-entry.editing :is(.folder-edit-trigger, .folder-delete-trigger) {
  opacity: 1;
  pointer-events: auto;
}

.note-item:hover,
.folder-item:hover {
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.03));
  border-color: rgba(var(--accent-cyan-rgb), 0.42);
  box-shadow: 0 0 0 1px rgba(var(--accent-cyan-rgb), 0.18);
}

.note-item.active,
.folder-item.active {
  border-color: rgba(var(--accent-cyan-rgb), 0.66);
  background:
    linear-gradient(150deg, rgba(var(--accent-cyan-rgb), 0.22), rgba(var(--accent-violet-rgb), 0.12)),
    rgba(255, 255, 255, calc(var(--panel-alpha) + 0.03));
  box-shadow: 0 0 0 1px rgba(var(--accent-cyan-rgb), 0.24);
}

.note-meta {
  display: block;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.note-tags-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 7px;
}

.note-tags-inline .tag {
  font-size: 11px;
  padding: 2px 7px;
}

.notes-filter-row {
  position: relative;
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: var(--space-2);
}

.notes-tag-filter {
  min-width: 0;
  width: 28%;
  max-width: 28%;
  position: static;
}

.notes-filter-row > #note-search.input {
  min-width: 0;
  width: 100%;
  max-width: 100%;
  flex: 1 1 auto;
}

.notes-tag-select-trigger {
  width: 100%;
  justify-content: flex-start;
}

.notes-tag-filter-input {
  min-width: 0;
  margin-bottom: 6px;
}

.notes-tag-select-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 55;
  display: none;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: var(--radius-md);
  background: var(--color-surface-1);
  box-shadow: var(--shadow-md);
}

.notes-filter-row .notes-tag-select-dropdown {
  left: 0;
  right: 0;
}

.notes-tag-filter.is-open .notes-tag-select-dropdown {
  display: block;
}

.notes-tag-filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 96px;
  overflow: auto;
}

.notes-tag-option {
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.02));
  color: var(--color-text);
  font-size: 12px;
  padding: 2px 8px;
  cursor: pointer;
}

.notes-tag-option.is-active {
  border-color: rgba(var(--accent-cyan-rgb), 0.48);
  background: rgba(var(--accent-cyan-rgb), 0.2);
}

.notes-kpi-card {
  display: grid;
  gap: var(--space-2);
  border: 1px solid rgba(255, 255, 255, calc(var(--stroke-alpha) + 0.03));
  border-radius: var(--radius-md);
  padding: 10px 12px;
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.02));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

.notes-kpi-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-2);
}

.segmented-meter {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--seg-gap);
}

.segmented-meter__segment {
  height: var(--seg-height);
  border-radius: var(--seg-radius);
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.05));
  border: 1px solid rgba(255, 255, 255, calc(var(--stroke-alpha) + 0.03));
}

.segmented-meter__segment.is-on {
  background: linear-gradient(120deg, rgba(var(--accent-cyan-rgb), 0.95), rgba(var(--accent-magenta-rgb), 0.8));
  border-color: rgba(var(--accent-cyan-rgb), 0.45);
  box-shadow: 0 0 8px rgba(var(--accent-cyan-rgb), 0.24);
}

.muted {
  color: var(--color-text-muted);
}

.editor-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  padding: 2px 0 6px;
}

.editor {
  min-height: 0;
  height: auto;
  flex: 1;
  font-family: var(--font-mono);
  resize: horizontal;
}

.editor-edit-mode {
  flex: 1;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.editor-preview-mode {
  flex: 1;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.editor-edit-form {
  flex: 1;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.editor-top-block {
  flex: 0 0 auto;
}

.editor-center-block {
  flex: 1 1 auto;
  min-height: 0;
}

.editor-main-row {
  min-height: 0;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  padding-bottom: 0;
}

.editor-format-toolbar {
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
}

.editor-format-btn {
  height: 32px;
  min-height: 32px;
  padding: 0 10px;
  font-size: 13px;
  font-weight: 600;
}

.editor-main-row .editor {
  flex: 1;
  min-height: 0;
  height: auto;
  width: 100%;
}

.editor-actions--sticky {
  flex: 0 0 auto;
  margin: 0 0 var(--space-2) 0;
  padding: 0;
  background: transparent;
  border-top: 0;
  align-self: stretch;
}

#markdown-preview {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

.preview {
  padding: var(--space-4);
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.01));
}

.preview :where(h1, h2, h3, h4, h5, h6),
.markdown-preview :where(h1, h2, h3, h4, h5, h6) {
  line-height: 1.25;
  margin: 0 0 0.55em;
}

.preview p,
.markdown-preview p {
  margin: 0 0 0.8em;
}

.preview pre,
.markdown-preview pre {
  margin: 0.9em 0;
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-left: 4px solid var(--accent-cyan);
  border-radius: 10px;
  background: #0b1220;
  color: #dbe8ff;
  padding: 12px 14px;
  line-height: 1.55;
}

.preview pre code,
.markdown-preview pre code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: inherit;
  background: transparent;
  padding: 0;
}

.preview code,
.markdown-preview code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: rgba(var(--accent-cyan-rgb), 0.18);
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: 6px;
  padding: 2px 6px;
}

.preview blockquote,
.markdown-preview blockquote {
  margin: 0.9em 0;
  padding: 10px 14px;
  border-left: 4px solid var(--accent-magenta);
  background: linear-gradient(90deg, rgba(var(--accent-magenta-rgb), 0.14), transparent);
  border-radius: 0 10px 10px 0;
  color: var(--color-text-muted);
}

.preview table,
.markdown-preview table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.01));
}

.preview th,
.preview td,
.markdown-preview th,
.markdown-preview td {
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  padding: 8px 10px;
  vertical-align: top;
  text-align: left;
}

.preview thead th,
.markdown-preview thead th {
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.03));
  font-weight: 700;
}

.preview tbody tr:nth-child(even),
.markdown-preview tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.preview pre code[class*="language-"],
.markdown-preview pre code[class*="language-"] {
  display: block;
}

.preview pre:has(code.language-js),
.preview pre:has(code.language-javascript),
.markdown-preview pre:has(code.language-js),
.markdown-preview pre:has(code.language-javascript) {
  border-left-color: #f0db4f;
}

.preview pre:has(code.language-php),
.markdown-preview pre:has(code.language-php) {
  border-left-color: #8892bf;
}

.preview pre:has(code.language-html),
.preview pre:has(code.language-xml),
.markdown-preview pre:has(code.language-html),
.markdown-preview pre:has(code.language-xml) {
  border-left-color: #e34f26;
}

.preview pre:has(code.language-css),
.markdown-preview pre:has(code.language-css) {
  border-left-color: #2965f1;
}

.note-view-header {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-1) 0;
}

.note-view-title {
  margin: 0;
  font-size: clamp(22px, 2.1vw, 30px);
  line-height: 1.2;
}

.note-view-summary {
  margin: 0;
  color: var(--color-text-muted);
}

.note-view-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tabs {
  display: inline-flex;
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.01));
  padding: 2px;
}

.tab {
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  cursor: pointer;
}

.tab.active {
  background: linear-gradient(130deg, rgba(var(--accent-cyan-rgb), 0.24), rgba(var(--accent-violet-rgb), 0.18));
  color: var(--color-text);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.02));
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.03));
  font-size: var(--text-xs);
}

.led,
.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-text-muted);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.06);
}

.led--ok,
.status-saved .status-dot {
  background: var(--accent-success);
  box-shadow: 0 0 10px rgba(91, 245, 150, 0.75), 0 0 20px rgba(91, 245, 150, 0.32);
  animation: led-pulse 2.8s ease-in-out infinite;
}

.status-saving .status-dot {
  background: var(--color-warning);
  box-shadow: 0 0 9px rgba(255, 200, 89, 0.7);
}

.status-error .status-dot {
  background: var(--color-danger);
  box-shadow: 0 0 9px rgba(245, 107, 139, 0.72);
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 220px;
  display: grid;
  gap: 6px;
  background: var(--color-surface-1);
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-2);
  z-index: 120;
}

.dropdown-item {
  width: 100%;
  text-align: left;
  justify-content: flex-start;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 15, 0.68);
  display: grid;
  place-items: center;
  padding: var(--space-4);
  z-index: 80;
}

.modal {
  width: min(680px, 96vw);
  max-height: 88vh;
  overflow: auto;
  background: var(--color-surface-1);
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-4);
}

.modal-ai-result {
  width: min(860px, 96vw);
}

.ai-result-textarea {
  min-height: 280px;
  resize: vertical;
  font-family: var(--font-mono);
}

.toast-stack {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  display: grid;
  gap: var(--space-2);
  z-index: 90;
}

.toast {
  min-width: 260px;
  padding: var(--space-3);
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, rgba(255, 255, 255, calc(var(--panel-alpha) + 0.03)), rgba(255, 255, 255, var(--panel-alpha)));
  box-shadow: var(--shadow-sm);
}

.share-item {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.02));
}

.admin-users-page .preview {
  border: 1px solid rgba(255, 255, 255, calc(var(--stroke-alpha) + 0.03));
}

.admin-user-card {
  align-items: stretch;
}

.admin-user-card form {
  width: 100%;
}

.admin-users-row {
  flex-wrap: wrap;
  align-items: center;
}

.admin-users-row .input {
  min-width: 220px;
  flex: 1 1 280px;
}

.admin-users-row .select {
  flex: 0 0 180px;
}

.admin-users-actions {
  justify-content: flex-start;
}

.kbd {
  font-size: var(--text-xs);
  border: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
  border-radius: 6px;
  padding: 2px 6px;
  background: rgba(255, 255, 255, calc(var(--panel-alpha) + 0.03));
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skeleton {
  height: 16px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(255, 255, 255, var(--panel-alpha)), rgba(255, 255, 255, calc(var(--panel-alpha) + 0.07)), rgba(255, 255, 255, var(--panel-alpha)));
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite linear;
}

@keyframes shimmer {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 200% 0;
  }
}

@keyframes led-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.15);
    opacity: 1;
  }
}

.ai-loader-wrap {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 95;
  display: none;
  pointer-events: none;
}

.ai-loader-wrap.show {
  display: block;
}

.ai-loader-wrap .loader {
  --color-one: #ffbf48;
  --color-two: #be4a1d;
  --color-three: #ffbf4780;
  --color-four: #bf4a1d80;
  --color-five: #ffbf4740;
  --time-animation: 2s;
  --size: 0.82;
  position: relative;
  border-radius: 50%;
  transform: scale(var(--size));
  box-shadow:
    0 0 25px 0 var(--color-three),
    0 20px 50px 0 var(--color-four);
  animation: ai-colorize calc(var(--time-animation) * 3) ease-in-out infinite;
}

.ai-loader-wrap .loader::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border-top: solid 1px var(--color-one);
  border-bottom: solid 1px var(--color-two);
  background: linear-gradient(180deg, var(--color-five), var(--color-four));
  box-shadow:
    inset 0 10px 10px 0 var(--color-three),
    inset 0 -10px 10px 0 var(--color-four);
}

.ai-loader-wrap .loader .box {
  width: 100px;
  height: 100px;
  background: linear-gradient(180deg, var(--color-one) 30%, var(--color-two) 70%);
  mask: url(#ai-clipping);
  -webkit-mask: url(#ai-clipping);
}

.ai-loader-wrap .loader svg {
  position: absolute;
}

.ai-loader-wrap .loader svg #ai-clipping {
  filter: contrast(15);
  animation: ai-roundness calc(var(--time-animation) / 2) linear infinite;
}

.ai-loader-wrap .loader svg #ai-clipping polygon {
  filter: blur(7px);
}

.ai-loader-wrap .loader svg #ai-clipping polygon:nth-child(1) {
  transform-origin: 75% 25%;
  transform: rotate(90deg);
}

.ai-loader-wrap .loader svg #ai-clipping polygon:nth-child(2) {
  transform-origin: 50% 50%;
  animation: ai-rotation var(--time-animation) linear infinite reverse;
}

.ai-loader-wrap .loader svg #ai-clipping polygon:nth-child(3) {
  transform-origin: 50% 60%;
  animation: ai-rotation var(--time-animation) linear infinite;
  animation-delay: calc(var(--time-animation) / -3);
}

.ai-loader-wrap .loader svg #ai-clipping polygon:nth-child(4) {
  transform-origin: 40% 40%;
  animation: ai-rotation var(--time-animation) linear infinite reverse;
}

.ai-loader-wrap .loader svg #ai-clipping polygon:nth-child(5) {
  transform-origin: 40% 40%;
  animation: ai-rotation var(--time-animation) linear infinite reverse;
  animation-delay: calc(var(--time-animation) / -2);
}

.ai-loader-wrap .loader svg #ai-clipping polygon:nth-child(6) {
  transform-origin: 60% 40%;
  animation: ai-rotation var(--time-animation) linear infinite;
}

.ai-loader-wrap .loader svg #ai-clipping polygon:nth-child(7) {
  transform-origin: 60% 40%;
  animation: ai-rotation var(--time-animation) linear infinite;
  animation-delay: calc(var(--time-animation) / -1.5);
}

/* Theme-specific contrast tuning */
[data-theme="theme-light"] :is(
  .panel,
  .note-item,
  .folder-item,
  .preview,
  .dropdown-menu,
  .modal,
  .toast,
  .share-item,
  .tag,
  .badge,
  .tabs,
  .segmented-meter__segment,
  .kbd,
  .btn:not(.btn-primary),
  .input,
  .textarea,
  .select
) {
  border-color: rgba(76, 98, 138, 0.36);
}

[data-theme="theme-light"] :is(.input, .textarea, .select) {
  background: #ffffff;
}

[data-theme="theme-ocean"] :is(
  .panel,
  .note-item,
  .folder-item,
  .preview,
  .dropdown-menu,
  .modal,
  .toast,
  .share-item,
  .tag,
  .badge,
  .tabs,
  .segmented-meter__segment,
  .kbd,
  .btn:not(.btn-primary),
  .input,
  .textarea,
  .select
) {
  border-color: rgba(132, 188, 220, 0.42);
}

[data-theme="theme-ocean"] :is(.input, .textarea, .select) {
  background: rgba(10, 34, 47, 0.9);
}

[data-theme="theme-sand"] :is(
  .panel,
  .note-item,
  .folder-item,
  .preview,
  .dropdown-menu,
  .modal,
  .toast,
  .share-item,
  .tag,
  .badge,
  .tabs,
  .segmented-meter__segment,
  .kbd,
  .btn:not(.btn-primary),
  .input,
  .textarea,
  .select
) {
  border-color: rgba(143, 112, 74, 0.44);
}

[data-theme="theme-sand"] :is(.input, .textarea, .select) {
  background: #fffdf8;
}

@keyframes ai-rotation {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes ai-roundness {
  0% {
    filter: contrast(15);
  }
  20% {
    filter: contrast(3);
  }
  40% {
    filter: contrast(3);
  }
  60% {
    filter: contrast(15);
  }
  100% {
    filter: contrast(15);
  }
}

@keyframes ai-colorize {
  0% {
    filter: hue-rotate(0deg);
  }
  20% {
    filter: hue-rotate(-30deg);
  }
  40% {
    filter: hue-rotate(-60deg);
  }
  60% {
    filter: hue-rotate(-90deg);
  }
  80% {
    filter: hue-rotate(-45deg);
  }
  100% {
    filter: hue-rotate(0deg);
  }
}

@media (max-width: 780px) {
  .app-shell {
    grid-template-rows: auto 1fr;
  }

  .topbar {
    min-height: 58px;
    height: auto;
    padding-top: 8px;
    padding-bottom: 8px;
    flex-wrap: wrap;
  }

  .topbar-actions {
    justify-content: space-between;
  }

  .topbar-actions-main {
    flex-wrap: wrap;
  }

  .topbar-actions-main .panel-toggle-label {
    display: none;
  }

  .topbar-actions-main .btn {
    width: 38px;
    min-width: 38px;
    padding: 0;
    justify-content: center;
  }

  .topbar-main-menu {
    margin-left: auto;
  }

  .topbar-main-menu-panel {
    right: 0;
    left: auto;
    background: linear-gradient(
        155deg,
        rgba(255, 255, 255, calc(var(--panel-alpha) + 0.03)),
        rgba(255, 255, 255, calc(var(--panel-alpha) + 0.01))
      ),
      var(--color-surface-1);
  }

  .workspace {
    display: block;
    position: relative;
    height: calc(100vh - 58px);
  }

  #workspace-bottom-chrome {
    display: none;
  }

  .panel {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
    border-radius: 0;
  }

  .resize-handle {
    display: none;
  }

  .panel.left {
    position: fixed;
    top: 58px;
    left: 0;
    right: auto;
    bottom: 0;
    width: min(88vw, 420px) !important;
    max-width: 420px;
    z-index: 75;
    border-bottom: 0;
    border-right: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
    box-shadow: var(--shadow-md);
  }

  .panel.left.hidden {
    display: none !important;
  }

  .panel.right {
    min-height: calc(100vh - 58px);
    height: calc(100vh - 58px);
    overflow: auto;
  }

  .panel.center {
    position: fixed;
    top: 58px;
    left: 0;
    right: auto;
    bottom: 0;
    width: min(88vw, 420px) !important;
    max-width: 420px;
    z-index: 70;
    border-bottom: 0;
    border-right: 1px solid rgba(255, 255, 255, var(--stroke-alpha));
    box-shadow: var(--shadow-md);
  }

  .panel.center.hidden {
    display: none !important;
  }

  .row {
    flex-wrap: wrap;
  }

  .notes-filter-row {
    flex-wrap: wrap;
  }

  .notes-tag-filter {
    width: 100%;
    max-width: none;
    position: relative;
  }

  .notes-filter-row > .input {
    width: 100%;
    max-width: none;
  }

  .notes-filter-row .notes-tag-select-dropdown {
    left: 0;
    right: auto;
    width: 100%;
  }

  .settings-ai-shell .panel.right.settings-ai-main {
    min-height: 0;
    height: auto;
    overflow: visible;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .led--ok,
  .status-saved .status-dot {
    transform: none !important;
  }

  .ai-loader-wrap .loader,
  .ai-loader-wrap .loader svg #ai-clipping,
  .ai-loader-wrap .loader svg #ai-clipping polygon {
    animation: none !important;
  }
}