:root {
  color-scheme: light;
  --page: #f3f5f2;
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --surface-muted: #e8ece7;
  --surface-subtle: #f7f9f6;
  --text: #18221e;
  --text-muted: #5d6b65;
  --text-faint: #7c8983;
  --accent: #1f5b49;
  --accent-hover: #174838;
  --accent-contrast: #ffffff;
  --accent-soft: #dcebe3;
  --warning: #8a5a00;
  --warning-soft: #fff2d4;
  --danger: #a33636;
  --danger-hover: #852929;
  --danger-soft: #f9e7e5;
  --line: rgba(24, 34, 30, 0.14);
  --line-strong: rgba(24, 34, 30, 0.24);
  --focus: #1a6fd1;
  --shadow: 0 1px 2px rgba(20, 30, 25, 0.08), 0 12px 36px rgba(20, 30, 25, 0.07);
  --sidebar-size: 15.5rem;
  --header-size: 4.75rem;
  --mobile-nav-size: 4.15rem;
  --radius-small: 0.5rem;
  --radius: 0.75rem;
  --radius-large: 1rem;
  --content-max: 92rem;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #121714;
    --surface: #1a211d;
    --surface-raised: #202923;
    --surface-muted: #252e29;
    --surface-subtle: #171e1a;
    --text: #edf3ef;
    --text-muted: #a8b5ae;
    --text-faint: #89978f;
    --accent: #83c5a4;
    --accent-hover: #9bd7b8;
    --accent-contrast: #0b1b14;
    --accent-soft: #243f33;
    --warning: #efbd62;
    --warning-soft: #3b3120;
    --danger: #ff9f9a;
    --danger-hover: #ffb4b0;
    --danger-soft: #422824;
    --line: rgba(237, 243, 239, 0.14);
    --line-strong: rgba(237, 243, 239, 0.24);
    --focus: #8fc1ff;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.28), 0 16px 44px rgba(0, 0, 0, 0.24);
  }
}

* {
  box-sizing: border-box;
}

html {
  min-block-size: 100%;
  background: var(--page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-block-size: 100dvh;
  margin: 0;
  overflow: hidden;
  color: var(--text);
  background: var(--page);
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

.visually-hidden {
  position: absolute !important;
  inline-size: 1px !important;
  block-size: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  inset-block-start: calc(0.5rem + env(safe-area-inset-top));
  inset-inline-start: calc(0.5rem + env(safe-area-inset-left));
  z-index: 200;
  padding: 0.75rem 1rem;
  color: var(--surface);
  background: var(--text);
  border-radius: var(--radius-small);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

h1,
h2,
h3,
p {
  margin-block-start: 0;
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

h1 {
  margin-block-end: 0;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

h2 {
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
}

h3 {
  font-size: 1rem;
}

.eyebrow {
  margin-block-end: 0.2rem;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
}

.muted,
.field-help,
.privacy-note,
.file-context,
.editor-footer,
.meta-line {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.button {
  min-block-size: 2.5rem;
  padding: 0.55rem 0.85rem;
  border: 0;
  border-radius: var(--radius-small);
  cursor: pointer;
  font-weight: 680;
  line-height: 1.15;
  text-decoration: none;
  transition-property: background-color, color, box-shadow, transform;
  transition-duration: 120ms;
  transition-timing-function: ease-out;
}

.button-primary {
  color: var(--accent-contrast);
  background: var(--accent);
  box-shadow: 0 1px 2px rgba(20, 30, 25, 0.2);
}

.button-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.button-secondary {
  color: var(--text);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line), 0 1px 2px rgba(20, 30, 25, 0.06);
}

.button-secondary:hover:not(:disabled),
.button-quiet:hover:not(:disabled) {
  background: var(--surface-muted);
}

.button-quiet {
  color: var(--text-muted);
  background: transparent;
}

.button-danger {
  color: #fff;
  background: var(--danger);
}

.button-danger:hover:not(:disabled) {
  background: var(--danger-hover);
}

.button-small {
  min-block-size: 2rem;
  padding: 0.35rem 0.65rem;
  font-size: 0.82rem;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

@media (prefers-reduced-motion: no-preference) {
  .button:active:not(:disabled),
  .nav-item:active,
  .mobile-navigation a:active,
  .mobile-navigation button:active {
    transform: scale(0.97);
  }
}

input,
textarea,
select {
  inline-size: 100%;
  min-block-size: 2.75rem;
  padding: 0.65rem 0.75rem;
  color: var(--text);
  background: var(--surface-subtle);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-small);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-faint);
  opacity: 1;
}

textarea {
  resize: vertical;
}

label {
  font-weight: 650;
}

dialog {
  inline-size: min(36rem, calc(100vw - 2rem));
  max-block-size: min(48rem, calc(100dvh - 2rem));
  padding: 0;
  overflow: auto;
  color: var(--text);
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow);
}

dialog::backdrop {
  background: rgba(8, 14, 11, 0.58);
  backdrop-filter: blur(4px);
}

.dialog-form {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.15rem, 4vw, 1.75rem);
}

.dialog-copy h2,
.dialog-copy p:last-child,
.field-group p,
.privacy-note,
.field-error {
  margin-block-end: 0;
}

.dialog-copy p:last-child {
  color: var(--text-muted);
  line-height: 1.5;
}

.dialog-copy-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.dialog-copy-row h2 {
  margin-block-end: 0;
}

.dialog-fields,
.field-group {
  display: grid;
  gap: 0.45rem;
}

.dialog-fields {
  gap: 1rem;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.check-field {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-block-size: 2.75rem;
}

.check-field input {
  inline-size: 1.15rem;
  min-block-size: 1.15rem;
  margin: 0;
}

.field-error {
  padding: 0.7rem 0.8rem;
  color: var(--danger);
  background: var(--danger-soft);
  border-radius: var(--radius-small);
  font-size: 0.86rem;
  line-height: 1.4;
}

.dialog-actions,
.compact-actions,
.inline-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.dialog-actions {
  justify-content: flex-end;
}

.more-navigation {
  display: grid;
  gap: 0.25rem;
}

.more-navigation .nav-group-label {
  margin-block-start: 0.75rem;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-size) minmax(0, 1fr);
  min-block-size: 100dvh;
  padding-block: env(safe-area-inset-top) env(safe-area-inset-bottom);
  padding-inline: env(safe-area-inset-left) env(safe-area-inset-right);
}

.app-sidebar {
  z-index: 20;
  display: flex;
  flex-direction: column;
  min-block-size: 0;
  padding: 1rem 0.75rem;
  background: var(--surface);
  border-inline-end: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-block-size: 3.2rem;
  margin-block-end: 0.85rem;
  padding-inline: 0.5rem;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  inline-size: 2.3rem;
  block-size: 2.3rem;
  flex: 0 0 auto;
  color: var(--accent-contrast);
  background: var(--accent);
  border-radius: 0.7rem;
  font-weight: 850;
  letter-spacing: -0.04em;
}

.brand-copy {
  display: grid;
  gap: 0.05rem;
  min-inline-size: 0;
}

.brand-copy strong {
  font-size: 1.05rem;
}

.brand-copy small {
  overflow: hidden;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-navigation {
  min-block-size: 0;
  overflow: auto;
  overscroll-behavior: contain;
}

.nav-group-label {
  margin: 1rem 0.7rem 0.35rem;
  color: var(--text-faint);
  font-size: 0.66rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-block-size: 2.6rem;
  padding: 0.55rem 0.7rem;
  color: var(--text-muted);
  border-radius: var(--radius-small);
  font-size: 0.88rem;
  font-weight: 630;
  text-decoration: none;
  transition-property: color, background-color, transform;
  transition-duration: 120ms;
}

.nav-item > span:first-child {
  display: grid;
  place-items: center;
  inline-size: 1.2rem;
  flex: 0 0 auto;
  font-size: 1rem;
}

.nav-item:hover {
  color: var(--text);
  background: var(--surface-muted);
}

.nav-item[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
}

.sidebar-footer {
  display: grid;
  gap: 0.2rem;
  margin-block-start: auto;
  padding-block-start: 0.75rem;
  border-block-start: 1px solid var(--line);
}

.app-stage {
  display: grid;
  grid-template-rows: var(--header-size) minmax(0, 1fr);
  min-inline-size: 0;
  min-block-size: 100dvh;
}

.app-header {
  z-index: 15;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-inline-size: 0;
  padding: 0.65rem clamp(1rem, 2.4vw, 2rem);
  background: color-mix(in srgb, var(--page) 92%, transparent);
  box-shadow: 0 1px 0 var(--line);
  backdrop-filter: blur(14px);
}

.route-heading {
  min-inline-size: 7rem;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
  min-inline-size: 0;
}

.search-shortcut {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

kbd {
  padding: 0.12rem 0.35rem;
  color: var(--text-faint);
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: 0.3rem;
  font: inherit;
  font-size: 0.72rem;
}

.connection-state {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-block-size: 2.5rem;
  padding-inline: 0.45rem;
  color: var(--text-muted);
  font-size: 0.78rem;
  white-space: nowrap;
}

.connection-dot {
  inline-size: 0.5rem;
  block-size: 0.5rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: currentColor;
}

.connection-state[data-state="ready"] {
  color: var(--accent);
}

.connection-state[data-state="loading"] {
  color: var(--warning);
}

.connection-state[data-state="error"] {
  color: var(--danger);
}

.workspace {
  min-inline-size: 0;
  min-block-size: 0;
  overflow: auto;
  overscroll-behavior: contain;
  scroll-padding-block-start: 1rem;
}

.welcome-view,
.route-view {
  inline-size: min(100%, var(--content-max));
  min-block-size: 100%;
  margin-inline: auto;
  padding: clamp(1rem, 3vw, 2rem);
}

.welcome-view {
  display: grid;
  place-items: center;
}

.welcome-card {
  inline-size: min(36rem, 100%);
  padding: clamp(1.5rem, 5vw, 3rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow);
}

.welcome-card h2 {
  margin-block-end: 0.75rem;
  font-size: clamp(1.6rem, 5vw, 2.5rem);
}

.welcome-card p:not(.eyebrow) {
  margin-block-end: 1.4rem;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.view-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-block-end: 1.2rem;
}

.view-heading h2,
.view-heading p {
  margin-block-end: 0;
}

.view-heading-copy p {
  max-inline-size: 46rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.section-card,
.stat-card,
.list-card,
.board-column,
.calendar-shell,
.graph-shell,
.study-card {
  min-inline-size: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.section-card {
  padding: 1rem;
}

.section-card h2,
.section-card h3 {
  margin-block-end: 0.75rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.dashboard-summary {
  grid-column: span 12;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.stat-card {
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
}

.stat-card strong {
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1;
}

.stat-card span {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.dashboard-main {
  grid-column: span 8;
}

.dashboard-side {
  grid-column: span 4;
}

.stack {
  display: grid;
  gap: 0.75rem;
}

.entity-list,
.agenda-list,
.habit-list,
.deck-list,
.book-list,
.search-results,
.connection-list,
.tag-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.list-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 0.9rem;
}

.list-card-main {
  min-inline-size: 0;
}

.list-card-main h3,
.list-card-main p {
  margin-block-end: 0;
}

.list-card-main h3 {
  overflow-wrap: anywhere;
}

.list-card-main p {
  margin-block-start: 0.25rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

.list-card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
}

.empty-state {
  display: grid;
  place-items: center;
  min-block-size: 10rem;
  padding: 2rem;
  color: var(--text-muted);
  text-align: center;
}

.empty-title {
  margin-block-end: 0.25rem;
  color: var(--text);
  font-weight: 720;
}

.empty-copy {
  max-inline-size: 34rem;
  margin-block-end: 0;
  font-size: 0.86rem;
  line-height: 1.5;
}

.status-pill,
.tag-pill,
.count-pill {
  display: inline-flex;
  align-items: center;
  min-block-size: 1.6rem;
  padding: 0.2rem 0.55rem;
  color: var(--text-muted);
  background: var(--surface-muted);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 650;
  line-height: 1;
}

.status-pill[data-tone="accent"] {
  color: var(--accent);
  background: var(--accent-soft);
}

.status-pill[data-tone="danger"] {
  color: var(--danger);
  background: var(--danger-soft);
}

.status-pill[data-tone="warning"] {
  color: var(--warning);
  background: var(--warning-soft);
}

.progress-track {
  block-size: 0.35rem;
  margin-block-start: 0.55rem;
  overflow: hidden;
  background: var(--surface-muted);
  border-radius: 999px;
}

.native-progress {
  inline-size: 100%;
  block-size: 0.45rem;
  overflow: hidden;
  color: var(--accent);
  background: var(--surface-muted);
  border: 0;
  border-radius: 999px;
}

.native-progress::-webkit-progress-bar {
  background: var(--surface-muted);
  border-radius: 999px;
}

.native-progress::-webkit-progress-value {
  background: var(--accent);
  border-radius: 999px;
}

.native-progress::-moz-progress-bar {
  background: var(--accent);
  border-radius: 999px;
}

.empty-action {
  justify-content: center;
  margin-block-start: 0.9rem;
}

.mobile-board-filter {
  display: none;
}

.progress-value {
  block-size: 100%;
  background: var(--accent);
  border-radius: inherit;
}

.calendar-toolbar,
.board-toolbar,
.filter-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-block-end: 0.8rem;
}

.calendar-shell {
  overflow: hidden;
}

.calendar-agenda {
  margin-block-start: 1rem;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-weekdays {
  color: var(--text-muted);
  background: var(--surface-subtle);
  border-block-end: 1px solid var(--line);
  font-size: 0.72rem;
  font-weight: 700;
  text-align: center;
}

.calendar-weekdays span {
  padding: 0.55rem 0.25rem;
}

.calendar-day {
  min-block-size: 8.2rem;
  padding: 0.5rem;
  background: transparent;
  border: 0;
  border-inline-end: 1px solid var(--line);
  border-block-end: 1px solid var(--line);
  text-align: start;
}

.calendar-day:nth-child(7n) {
  border-inline-end: 0;
}

.calendar-day[data-outside="true"] {
  color: var(--text-faint);
  background: var(--surface-subtle);
}

.calendar-day[data-today="true"] .day-number {
  color: var(--accent-contrast);
  background: var(--accent);
}

.day-number {
  display: grid;
  place-items: center;
  inline-size: 1.7rem;
  block-size: 1.7rem;
  border-radius: 50%;
  font-size: 0.76rem;
  font-weight: 720;
}

.day-events {
  display: grid;
  gap: 0.25rem;
  margin-block-start: 0.4rem;
}

.day-event {
  overflow: hidden;
  padding: 0.25rem 0.35rem;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 0.3rem;
  font-size: 0.68rem;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.board-scroll {
  display: grid;
  grid-auto-columns: minmax(17rem, 21rem);
  grid-auto-flow: column;
  gap: 0.85rem;
  padding-block-end: 0.5rem;
  overflow-x: auto;
  scroll-snap-type: inline proximity;
}

.board-column {
  align-self: start;
  max-block-size: calc(100dvh - 11.5rem);
  padding: 0.75rem;
  overflow: auto;
  scroll-snap-align: start;
  background: var(--surface-subtle);
}

.board-column-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-block-end: 0.65rem;
}

.board-column-heading h2 {
  margin-block-end: 0;
  font-size: 0.9rem;
}

.task-card {
  padding: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  box-shadow: 0 1px 2px rgba(20, 30, 25, 0.04);
}

.task-card + .task-card {
  margin-block-start: 0.55rem;
}

.task-card h3 {
  margin-block-end: 0.45rem;
  overflow-wrap: anywhere;
}

.task-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-block-start: 0.6rem;
}

.subtask-list {
  display: grid;
  gap: 0.25rem;
  margin: 0.7rem 0 0;
  padding: 0;
  list-style: none;
}

.subtask-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.35rem;
  min-block-size: 2rem;
}

.subtask-list span[data-done="true"] {
  color: var(--text-faint);
  text-decoration: line-through;
}

.subtask-toggle {
  display: grid;
  place-items: center;
  inline-size: 2rem;
  block-size: 2rem;
  padding: 0;
  color: var(--accent);
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
}

.task-card-footer select {
  inline-size: auto;
  min-block-size: 2rem;
  max-inline-size: 9rem;
  padding-block: 0.25rem;
  font-size: 0.75rem;
}

.habit-grid,
.deck-grid,
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(17rem, 100%), 1fr));
  gap: 0.8rem;
}

.learning-section {
  display: grid;
  gap: 0.75rem;
  margin-block-start: 1.25rem;
}

.learning-section > h2,
.learning-section > p {
  margin-block-end: 0;
}

.list-pagination {
  justify-content: flex-end;
  margin-block-start: 0.85rem;
}

.list-count {
  margin-block: 0.85rem 0;
  text-align: end;
}

.habit-card,
.deck-card,
.book-card {
  display: grid;
  gap: 0.75rem;
  min-inline-size: 0;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.habit-card-heading,
.deck-card-heading,
.book-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.habit-card h2,
.deck-card h2,
.book-card h2,
.habit-card p,
.deck-card p,
.book-card p {
  margin-block-end: 0;
}

.habit-toggle {
  display: grid;
  place-items: center;
  inline-size: 3rem;
  block-size: 3rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.25rem;
  font-weight: 800;
}

.habit-toggle[aria-pressed="true"] {
  color: var(--accent-contrast);
  background: var(--accent);
}

.week-dots {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.3rem;
}

.week-dot {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  color: var(--text-faint);
  background: var(--surface-muted);
  border-radius: 50%;
  font-size: 0.62rem;
}

.week-dot[data-done="true"] {
  color: var(--accent-contrast);
  background: var(--accent);
}

.study-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 20rem) minmax(0, 1fr);
  gap: 1rem;
}

.study-card {
  display: grid;
  align-content: center;
  min-block-size: min(31rem, calc(100dvh - 12rem));
  padding: clamp(1.2rem, 5vw, 3rem);
  text-align: center;
}

.study-card .card-face {
  font-size: clamp(1.25rem, 3vw, 2rem);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.study-card .card-back {
  margin-block-start: 1.2rem;
  padding-block-start: 1.2rem;
  border-block-start: 1px solid var(--line);
}

.rating-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
  margin-block-start: 1.5rem;
}

.rating-actions button {
  min-block-size: 3.2rem;
}

.book-card {
  grid-template-columns: 3.5rem minmax(0, 1fr);
}

.book-cover {
  display: grid;
  place-items: center;
  inline-size: 3.5rem;
  block-size: 5rem;
  color: var(--text-muted);
  background: var(--surface-muted);
  border-radius: 0.35rem;
  font-size: 1.2rem;
}

.book-progress {
  grid-column: 1 / -1;
}

.notes-workspace {
  display: grid;
  grid-template-columns: minmax(16rem, 22rem) minmax(0, 1fr);
  gap: 1rem;
  min-block-size: 100%;
  padding: 1rem clamp(1rem, 2.4vw, 2rem) 1.5rem;
}

.files-pane,
.editor-pane {
  min-inline-size: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgba(20, 30, 25, 0.03);
}

.files-pane {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  min-block-size: calc(100dvh - var(--header-size) - 2.5rem);
  overflow: hidden;
}

.pane-heading,
.editor-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-block-end: 1px solid var(--line);
}

.pane-heading h2,
.editor-heading h2,
.pane-heading p,
.editor-heading p {
  margin-block-end: 0;
}

.pane-heading h2,
.editor-heading h2 {
  font-size: 1rem;
}

.filter-field {
  padding: 0.65rem 0.75rem;
  border-block-end: 1px solid var(--line);
}

.filter-field input {
  min-block-size: 2.35rem;
  padding-block: 0.45rem;
  font-size: 0.85rem;
}

.file-navigation {
  min-block-size: 0;
  overflow: auto;
  padding: 0.55rem;
  overscroll-behavior: contain;
}

.file-tree,
.file-tree ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.file-tree ul {
  padding-inline-start: 0.75rem;
}

.file-tree summary {
  display: flex;
  align-items: center;
  min-block-size: 2.3rem;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-small);
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 680;
}

.file-tree summary:hover,
.file-button:hover {
  background: var(--surface-muted);
}

.file-button,
.directory-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  inline-size: 100%;
  min-block-size: 2.35rem;
  padding: 0.38rem 0.5rem;
  overflow: hidden;
  color: var(--text-muted);
  background: transparent;
  border: 0;
  border-radius: var(--radius-small);
  font-size: 0.82rem;
  text-align: start;
}

.file-button {
  cursor: pointer;
}

.file-button[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
}

.file-unavailable {
  opacity: 0.62;
}

.file-mark {
  inline-size: 0.8rem;
  flex: 0 0 auto;
  color: var(--text-faint);
  text-align: center;
}

.file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-availability {
  margin-inline-start: auto;
  color: var(--text-faint);
  font-size: 0.65rem;
}

.editor-pane {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-block-size: calc(100dvh - var(--header-size) - 2.5rem);
  overflow: hidden;
}

.editor-heading {
  align-items: flex-start;
}

.editor-title {
  min-inline-size: 0;
  flex: 1;
}

.file-context {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-inline-size: 0;
  margin-block-start: 0.2rem;
}

.file-context bdi {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dirty-state {
  flex: 0 0 auto;
}

.dirty-state[data-dirty="true"] {
  color: var(--warning);
}

.editor-body {
  position: relative;
  min-block-size: 0;
}

#editor {
  inline-size: 100%;
  block-size: 100%;
  min-block-size: 20rem;
  padding: clamp(1rem, 3vw, 2rem);
  resize: none;
  color: var(--text);
  background: var(--surface);
  border: 0;
  border-radius: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.95rem;
  line-height: 1.65;
  tab-size: 2;
}

#editor:focus-visible {
  outline-offset: -3px;
}

.editor-empty {
  position: absolute;
  inset: 0;
}

.editor-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-block-size: 3rem;
  padding: 0.55rem 1rem;
  border-block-start: 1px solid var(--line);
}

.editor-footer p {
  margin-block-end: 0;
}

.back-button {
  display: none;
}

.graph-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 22rem);
  min-block-size: min(42rem, calc(100dvh - 12rem));
  overflow: hidden;
}

.graph-canvas {
  position: relative;
  min-block-size: 28rem;
  overflow: hidden;
  background-color: var(--surface-subtle);
  background-image: radial-gradient(var(--line-strong) 1px, transparent 1px);
  background-size: 20px 20px;
}

.graph-canvas svg {
  display: block;
  inline-size: 100%;
  block-size: 100%;
}

.graph-edge {
  stroke: var(--line-strong);
  stroke-width: 1.2;
}

.graph-node circle {
  fill: var(--accent-soft);
  stroke: var(--accent);
  stroke-width: 1.5;
}

.graph-node text {
  fill: var(--text);
  font-size: 11px;
  pointer-events: none;
}

.graph-list {
  padding: 0.8rem;
  overflow: auto;
  border-inline-start: 1px solid var(--line);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.settings-grid .section-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.settings-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding-block: 0.75rem;
  border-block-end: 1px solid var(--line);
}

.settings-row:last-child {
  border-block-end: 0;
}

.settings-row h3,
.settings-row p {
  margin-block-end: 0;
}

.settings-row p {
  margin-block-start: 0.2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

.settings-row select,
.settings-row input {
  inline-size: min(15rem, 42vw);
}

.search-box {
  position: sticky;
  inset-block-start: -1rem;
  z-index: 5;
  padding-block: 0 1rem;
  background: var(--page);
}

.search-box input {
  min-block-size: 3.25rem;
  padding-inline: 1rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  font-size: 1rem;
}

.toast-region {
  position: fixed;
  z-index: 150;
  inset-inline: auto max(1rem, env(safe-area-inset-right));
  inset-block-end: max(1rem, env(safe-area-inset-bottom));
  display: grid;
  gap: 0.5rem;
  inline-size: min(28rem, calc(100vw - 2rem));
  pointer-events: none;
}

.notice {
  margin: 0;
  padding: 0.8rem 1rem;
  color: var(--text);
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  box-shadow: var(--shadow);
  font-size: 0.84rem;
  line-height: 1.45;
}

.notice:empty {
  display: none;
}

.notice-error {
  color: var(--danger);
  background: var(--danger-soft);
}

.mobile-navigation {
  display: none;
}

@media (max-width: 64rem) and (min-width: 50.001rem) {
  :root {
    --sidebar-size: 4.6rem;
  }

  .brand {
    justify-content: center;
    padding-inline: 0;
  }

  .brand-copy,
  .nav-group-label,
  .nav-item > span:last-child {
    display: none;
  }

  .nav-item {
    justify-content: center;
    padding-inline: 0;
  }

  .nav-item > span:first-child {
    inline-size: 2.4rem;
    block-size: 2.4rem;
  }
}

@media (max-width: 75rem) {
  .connection-state,
  .settings-button,
  .search-shortcut kbd {
    display: none;
  }

  .search-shortcut span:nth-child(2) {
    display: none;
  }

  .dashboard-main,
  .dashboard-side {
    grid-column: span 12;
  }
}

@media (max-width: 50rem) {
  body {
    overflow: hidden;
  }

  .app-shell {
    display: block;
  }

  .app-sidebar {
    display: none;
  }

  .app-stage {
    grid-template-rows: var(--header-size) minmax(0, 1fr) calc(var(--mobile-nav-size) + env(safe-area-inset-bottom));
    min-block-size: calc(100dvh - env(safe-area-inset-top));
  }

  .app-header {
    padding-inline: max(0.8rem, env(safe-area-inset-left)) max(0.8rem, env(safe-area-inset-right));
  }

  .route-heading .eyebrow {
    display: none;
  }

  .header-actions {
    gap: 0.35rem;
  }

  .search-shortcut,
  .settings-button,
  #connect-button {
    display: none;
  }

  #create-button {
    min-block-size: 2.75rem;
  }

  .workspace {
    padding-block-end: 0;
  }

  .welcome-view,
  .route-view {
    padding: 1rem;
  }

  .mobile-navigation {
    z-index: 30;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    min-block-size: calc(var(--mobile-nav-size) + env(safe-area-inset-bottom));
    padding: 0.35rem max(0.35rem, env(safe-area-inset-right)) env(safe-area-inset-bottom) max(0.35rem, env(safe-area-inset-left));
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    border-block-start: 1px solid var(--line);
    backdrop-filter: blur(14px);
  }

  .mobile-navigation a,
  .mobile-navigation button {
    display: grid;
    place-items: center;
    align-content: center;
    gap: 0.15rem;
    min-block-size: 2.75rem;
    padding: 0.25rem;
    color: var(--text-muted);
    background: transparent;
    border: 0;
    border-radius: var(--radius-small);
    font-size: 0.66rem;
    font-weight: 650;
    text-decoration: none;
  }

  .mobile-navigation a > span:first-child,
  .mobile-navigation button > span:first-child {
    font-size: 1.05rem;
    line-height: 1;
  }

  .mobile-navigation a[aria-current="page"],
  .mobile-navigation button[aria-expanded="true"] {
    color: var(--accent);
    background: var(--accent-soft);
  }

  .view-heading {
    align-items: flex-start;
  }

  .dashboard-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .calendar-weekdays,
  .calendar-grid {
    display: none;
  }

  .calendar-shell {
    border: 0;
    background: transparent;
  }

  .calendar-agenda {
    display: none;
  }

  .mobile-agenda {
    display: grid !important;
  }

  .board-scroll {
    display: block;
    overflow: visible;
  }

  .mobile-board-filter {
    display: block;
  }

  .board-column {
    display: none;
    max-block-size: none;
    overflow: visible;
  }

  .board-column[data-active="true"] {
    display: block;
  }

  .study-layout,
  .graph-shell,
  .settings-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .study-card {
    min-block-size: 24rem;
  }

  .graph-shell {
    min-block-size: auto;
  }

  .graph-canvas {
    min-block-size: 22rem;
  }

  .graph-list {
    border-inline-start: 0;
    border-block-start: 1px solid var(--line);
  }

  .notes-workspace {
    display: block;
    min-block-size: 100%;
    padding: 0;
  }

  .files-pane,
  .editor-pane {
    min-block-size: 100%;
    border: 0;
    border-radius: 0;
  }

  .notes-workspace[data-mobile-view="files"] .editor-pane,
  .notes-workspace[data-mobile-view="editor"] .files-pane {
    display: none;
  }

  .back-button {
    display: inline-flex;
  }

  .editor-heading {
    position: sticky;
    inset-block-start: 0;
    z-index: 4;
    background: var(--surface);
  }

  .editor-footer {
    position: sticky;
    inset-block-end: 0;
    background: var(--surface);
  }

  #editor {
    font-size: 1rem;
  }

  .toast-region {
    inset-inline: 0;
    inset-block-end: calc(var(--mobile-nav-size) + env(safe-area-inset-bottom) + 0.5rem);
    inline-size: auto;
    padding-inline: 0.75rem;
  }
}

@media (max-width: 31rem) {
  .route-heading h1 {
    max-inline-size: 9rem;
    overflow: hidden;
    font-size: 1.15rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .field-row,
  .dashboard-summary,
  .rating-actions {
    grid-template-columns: minmax(0, 1fr);
  }

  .dialog-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dialog-actions .button {
    inline-size: 100%;
    min-block-size: 2.75rem;
  }

  .view-heading {
    display: grid;
  }

  .view-heading > .inline-actions {
    inline-size: 100%;
  }

  .view-heading > .inline-actions .button {
    flex: 1;
  }

  .list-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .list-card-actions {
    justify-content: flex-start;
  }

  .editor-heading {
    gap: 0.45rem;
    padding-inline: 0.65rem;
  }

  .editor-title .eyebrow,
  .file-context {
    display: none;
  }

  .editor-heading .button {
    min-block-size: 2.75rem;
    padding-inline: 0.65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}