:root {
  color-scheme: light;
  --accent-pink: #f0ddd0;
  --accent-green: #d6e5d9;
  --accent-blue: #dfe5ed;
  --accent-yellow: #e8e7cf;
  --bg: #faf5f3;
  --surface: #fffbf8;
  --surface-strong: #ffffff;
  --surface-muted: #f0e9e5;
  --ink: #252525;
  --ink-strong: #171717;
  --ink-soft: #686360;
  --line: #d7ccc7;
  --line-strong: #34302e;
  --coral: #795b48;
  --coral-soft: var(--accent-pink);
  --green: #496653;
  --green-soft: var(--accent-green);
  --ochre: #696a49;
  --ochre-soft: var(--accent-yellow);
  --blue: #526479;
  --blue-soft: var(--accent-blue);
  --violet: #526479;
  --violet-soft: var(--accent-blue);
  --danger: #8b5143;
  --danger-soft: var(--accent-pink);
  --shadow: 0 18px 44px rgba(61, 70, 66, 0.08);
  --shadow-soft: 0 5px 18px rgba(61, 70, 66, 0.05);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-sans: "Avenir Next", Avenir, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: var(--font-sans);
}

@media print and (prefers-color-scheme: dark) {
  :root {
    --bg: #202522;
    --surface: #282e2a;
    --surface-strong: #303632;
    --surface-muted: #383d39;
    --ink: #d9dfda;
    --ink-strong: #f0f2ef;
    --ink-soft: #a9b0aa;
    --line: #444a46;
    --line-strong: #606762;
    --coral: #c78c7b;
    --coral-soft: #4b3833;
    --green: #90aa9a;
    --green-soft: #334039;
    --ochre: #b8a17f;
    --ochre-soft: #453f35;
    --blue: #91a7af;
    --blue-soft: #354146;
    --violet: #a89fb2;
    --violet-soft: #413c46;
    --danger: #cf8b80;
    --danger-soft: #4a3633;
    --shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
    --shadow-soft: 0 4px 16px rgba(0, 0, 0, 0.16);
  }
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

button,
select {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--coral) 65%, transparent);
  outline-offset: 2px;
}

a {
  color: var(--green);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 9px;
  background: var(--ink-strong);
  color: var(--surface);
  text-decoration: none;
}

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

[hidden] {
  display: none !important;
}

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

.protocol-notice {
  position: relative;
  z-index: 90;
  padding: 10px 18px;
  border-bottom: 1px solid var(--ochre);
  background: var(--ochre-soft);
  color: var(--ink-strong);
  text-align: center;
  font-size: 13px;
}

.app-shell {
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  z-index: 40;
  inset: 0 auto 0 0;
  display: flex;
  width: 252px;
  flex-direction: column;
  padding: 28px 18px 22px;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 0 8px;
}

.brand-wordmark {
  display: block;
  width: 160px;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

.brand-mark {
  display: block;
  flex: 0 0 auto;
  object-fit: cover;
  object-position: center;
  border-radius: 9px;
  box-shadow: none;
}

.brand-name {
  display: block;
  color: var(--ink-strong);
  font-size: 19px;
  font-weight: 750;
  letter-spacing: -0.03em;
}

.brand-subtitle {
  display: block;
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.nav-list {
  display: grid;
  gap: 7px;
  margin-top: 46px;
}

.nav-item {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border: 0;
  border-radius: 13px;
  background: transparent;
  color: var(--ink-soft);
  text-align: left;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

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

.nav-item.is-active {
  background: var(--ink);
  color: var(--surface);
  box-shadow: var(--shadow-soft);
}

.nav-item:active {
  transform: scale(0.985);
}

.nav-glyph {
  display: grid;
  width: 27px;
  height: 27px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 9px;
  font-size: 11px;
  font-weight: 800;
}

.sidebar-bottom {
  margin-top: auto;
}

.local-data-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 18px 11px 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px var(--green-soft);
}

.main-content {
  min-height: 100vh;
  margin-left: 252px;
  padding: 42px clamp(28px, 5vw, 76px) 80px;
}

.view {
  width: min(1160px, 100%);
  margin: 0 auto;
}

.mobile-header,
.bottom-nav {
  display: none;
}

.app-status {
  display: flex;
  width: min(1160px, 100%);
  min-height: 52vh;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 0 auto;
  color: var(--ink-soft);
}

.loading-mark {
  width: 16px;
  height: 16px;
  border: 2px solid var(--line);
  border-top-color: var(--coral);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--coral);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 5px;
  color: var(--ink-strong);
  font-family: var(--font-serif);
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

h2 {
  color: var(--ink-strong);
  font-size: 20px;
  letter-spacing: -0.02em;
}

h3 {
  color: var(--ink-strong);
  font-size: 16px;
}

.page-subtitle {
  margin: 0;
  color: var(--ink-soft);
}

.head-actions,
.toolbar-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-strong);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

.button:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.button.primary {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

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

.button.ghost {
  background: transparent;
}

.button.danger {
  border-color: var(--danger);
  color: var(--danger);
}

.button.small {
  min-height: 34px;
  padding: 6px 10px;
  border-radius: 9px;
  font-size: 12px;
}

.button.icon-only {
  width: 36px;
  min-height: 36px;
  padding: 0;
  border-radius: 50%;
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.card-pad {
  padding: 22px;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.card-head h2,
.card-head h3 {
  margin-bottom: 0;
}

.count-badge {
  display: inline-flex;
  min-width: 26px;
  height: 26px;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--coral-soft);
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
}

.review-list,
.record-list {
  display: grid;
  gap: 11px;
}

.review-title {
  margin: 0;
  color: var(--ink-strong);
  font-weight: 750;
}

.review-meta {
  margin: 2px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.review-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
}

.today-task-list {
  display: grid;
  gap: 10px;
}

.today-task-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-strong);
  box-shadow: 0 10px 24px rgba(31, 45, 39, 0.04);
}

.today-task-item.is-muted {
  opacity: 0.74;
}

.task-go-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid color-mix(in srgb, var(--green) 28%, var(--line));
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 12px;
  font-weight: 850;
  white-space: nowrap;
}

.task-go-button:hover,
.task-go-button:focus-visible {
  border-color: var(--green);
  background: color-mix(in srgb, var(--green-soft) 72%, var(--surface-strong));
  transform: translateY(-1px);
}

.review-item.is-overdue {
  border-color: color-mix(in srgb, var(--danger) 65%, var(--line));
  background: color-mix(in srgb, var(--danger-soft) 55%, var(--surface));
}

.review-item.is-done,
.today-task-item.is-done {
  background: var(--surface-muted);
  opacity: 0.68;
}

.review-item.is-done .review-check,
.today-task-item.is-done .review-check {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}

.review-item.is-done .review-title,
.review-item.is-done .review-meta,
.today-task-item.is-done .review-title,
.today-task-item.is-done .review-meta {
  text-decoration: line-through;
}

.review-check {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  color: transparent;
  font-weight: 900;
}

.review-check:hover {
  border-color: var(--green);
  color: var(--green);
}

.review-check:disabled {
  cursor: default;
  opacity: 1;
}

.review-kind {
  display: inline-flex;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 800;
}

.calendar-toolbar,
.list-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.list-toolbar {
  position: sticky;
  z-index: 14;
  top: 14px;
  box-shadow: var(--shadow-soft);
}

.library-toolbar-main {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
}

.library-search {
  min-width: min(320px, 38vw);
}

.library-search input {
  width: 100%;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
}

.library-search input:focus {
  border-color: var(--green);
  outline: 3px solid color-mix(in srgb, var(--green) 16%, transparent);
}

.week-label {
  color: var(--ink-strong);
  font-weight: 800;
}

.week-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(150px, 1fr));
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x proximity;
}

.day-column {
  min-height: 380px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface) 93%, transparent);
  scroll-snap-align: start;
}

.day-column.is-today {
  border-color: var(--coral);
  box-shadow: inset 0 4px 0 var(--coral);
}

.day-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 15px;
}

.day-name {
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 800;
}

.day-number {
  color: var(--ink-strong);
  font-family: var(--font-serif);
  font-size: 24px;
}

.day-column.is-today .day-number {
  color: var(--coral);
}

.calendar-entry {
  display: grid;
  gap: 9px;
  margin-bottom: 10px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-strong);
}

.calendar-entry select,
.calendar-entry input {
  width: 100%;
  min-width: 0;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
  font-size: 12px;
}

.calendar-entry-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.text-action {
  padding: 3px 0;
  border: 0;
  background: transparent;
  color: var(--green);
  font-size: 11px;
  font-weight: 750;
}

.text-action.danger {
  color: var(--danger);
}

.add-day-entry {
  width: 100%;
  padding: 10px;
  border: 1px dashed var(--line-strong);
  border-radius: 11px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 12px;
}

.segmented {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-muted);
}

.segmented button {
  min-height: 32px;
  padding: 5px 11px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
}

.segmented button.is-active {
  background: var(--surface-strong);
  color: var(--ink-strong);
  box-shadow: var(--shadow-soft);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.filter-select {
  min-height: 38px;
  padding: 7px 30px 7px 11px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 12px;
}

.record-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.record-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.record-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 11px;
}

.sentence-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px;
}

.sentence-box {
  min-width: 0;
  padding: 14px;
  border-radius: 13px;
  background: var(--surface-muted);
}

.sentence-box.wrong {
  background: var(--danger-soft);
}

.sentence-box.correct {
  background: var(--green-soft);
}

.sentence-label {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sentence-text {
  margin: 0;
  color: var(--ink-strong);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 13px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 11px;
  font-weight: 750;
}

.classification-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 13px;
}

.classification-pill,
.level-route {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 10px;
  font-weight: 850;
}

.classification-pill.grammar { background: var(--blue-soft); color: var(--blue); }
.classification-pill.level { background: var(--violet-soft); color: var(--violet); }
.classification-pill.muted { background: var(--surface-muted); color: var(--ink-soft); }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--ochre-soft);
  color: var(--ochre);
  font-size: 10px;
  font-weight: 850;
}

.status-pill.mastered {
  background: var(--green-soft);
  color: var(--green);
}

.review-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 15px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.review-step {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 750;
}

.review-step.is-due {
  border-color: var(--danger);
  color: var(--danger);
}

.review-step.is-done {
  border-color: var(--green);
  background: var(--green-soft);
  color: var(--green);
}

.record-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.library-group-index {
  display: grid;
  gap: 10px;
}

.library-group {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.library-group > summary {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.library-group > summary::-webkit-details-marker {
  display: none;
}

.library-group > summary::after {
  content: "+";
  order: 3;
  color: var(--ink-soft);
  font-size: 18px;
}

.library-group[open] > summary::after {
  content: "−";
}

.library-group > summary h2 {
  margin: 0 0 3px;
  color: var(--ink-strong);
  font-size: 16px;
}

.library-group > summary div > span {
  color: var(--ink-soft);
  font-size: 11px;
}

.library-group > summary .count-badge {
  margin-left: auto;
  background: var(--surface-muted);
  color: var(--ink-soft);
}

.library-group-body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
}

.group-preview-list {
  display: grid;
}

.group-preview-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.group-preview-row time {
  color: var(--ink-soft);
  font-size: 11px;
}

.group-preview-row p,
.group-preview-row span {
  overflow: hidden;
  margin: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.group-preview-row p {
  color: var(--ink-strong);
  font-size: 13px;
  font-weight: 720;
}

.group-preview-row span {
  display: block;
  margin-top: 3px;
  color: var(--ink-soft);
  font-size: 11px;
}

.group-open-button {
  margin-top: 14px;
}

.library-list-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 22px 0 4px;
  color: var(--ink-soft);
  font-size: 12px;
}

.library-list-end {
  color: var(--ink-soft);
}

.focus-review-progress,
.focus-review-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.focus-review-progress {
  margin-bottom: 14px;
  color: var(--ink-soft);
  font-size: 12px;
}

.focus-review-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-muted);
}

.focus-review-label {
  display: block;
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.06em;
}

.focus-review-source,
.focus-review-answer > p,
.focus-review-answer li {
  color: var(--ink-strong);
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.55;
}

.focus-review-source {
  margin: 0;
}

.focus-reveal-button {
  width: 100%;
  margin-top: 12px;
  padding: 9px 12px;
  min-height: 44px;
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  background: var(--surface);
  color: var(--green);
  font-weight: 800;
}

.focus-review-answer {
  margin-top: 12px;
  padding: 12px;
  border-radius: 13px;
  background: color-mix(in srgb, var(--green-soft) 72%, var(--surface));
}

.focus-review-answer > p,
.focus-review-answer ul {
  margin: 0;
}

.focus-review-answer ul {
  padding-left: 20px;
}

.focus-review-answer small {
  display: block;
  margin-top: 12px;
  color: var(--ink-soft);
  line-height: 1.55;
}

.focus-review-corpus {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.focus-review-corpus span {
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--green);
  font-size: 11px;
  font-weight: 750;
}

.focus-review-nav {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 12px;
}

.library-calendar { margin: 0 0 10px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.library-calendar-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2px; font-size: 13px; line-height: 1.3; }
.library-calendar-head button { border: 0; padding: 4px 6px; background: transparent; color: var(--ink-soft); min-width: 32px; min-height: 32px; border-radius: 8px; cursor: pointer; }
.library-calendar-head button[aria-pressed="true"] { color: var(--green); background: var(--green-soft); }
.library-calendar-month { display: flex; align-items: center; gap: 4px; }
.library-calendar-month button { font-size: 20px; font-weight: 700; }
.library-days { position: relative; display: flex; overflow-x: auto; scrollbar-width: none; overscroll-behavior-x: contain; }
.library-days::-webkit-scrollbar { display: none; }
.library-day { flex: 0 0 calc(100% / 7); min-width: 0; min-height: 48px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 3px; padding: 4px 0; line-height: 1.25; border: 2px solid var(--surface); border-radius: 11px; background: transparent; color: var(--ink-soft); cursor: pointer; }
.library-day small { font-size: 11px; }
.library-day strong { font-size: 16px; }
.library-day.has-records { background: var(--surface-muted); color: var(--ink-strong); }
.library-day[aria-pressed="true"] { background: var(--green); color: white; }
#view-errors .error-toolbar:not(.unused) { grid-template-columns: minmax(0, 1fr) auto auto; }
#view-upgrades .corpus-simple-toolbar { display: flex; align-items: center; }
.library-month-picker { position: relative; flex: 0 0 auto; }
.library-month-picker > summary { list-style: none; cursor: pointer; white-space: nowrap; padding: 10px; min-height: 42px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); font-size: 13px; font-weight: 700; }
.library-month-picker > summary::-webkit-details-marker { display: none; }
.month-picker-panel { position: absolute; top: calc(100% + 6px); right: 0; z-index: 30; width: min(300px, calc(100vw - 40px)); padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); }
.month-picker-head, .month-picker-footer { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.month-picker-panel button { border: 0; border-radius: 8px; background: transparent; color: var(--ink-strong); min-height: 34px; cursor: pointer; }
.month-picker-head button { min-width: 34px; font-size: 22px; }
.month-picker-head strong { font-size: 14px; }
.month-picker-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 3px; margin: 8px 0; }
.month-picker-grid small { text-align: center; color: var(--ink-soft); padding: 4px 0; }
.month-picker-grid .outside-month { color: var(--ink-soft); }
.month-picker-grid .has-records { background: var(--surface-muted); font-weight: 800; }
.month-picker-grid [aria-pressed="true"] { background: var(--green); color: white; }
.month-picker-footer { border-top: 1px solid var(--line); padding-top: 6px; }
.month-picker-footer button { color: var(--green); padding: 4px 12px; }

.focus-review-library {
  padding: 4px 0;
  border: 0;
  background: transparent;
  color: var(--green);
  font-size: 12px;
  cursor: pointer;
}
.focus-review-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 8px;
}
.focus-review-nav > :first-child { justify-self: start; }
.focus-review-nav > :last-child { justify-self: end; }
.focus-review-delete-hint {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.5;
  text-align: center;
}

/* Keep compact review styling isolated from forms and other dialogs. */
.modal-card:has(.focus-review-card) .modal-head {
  margin-bottom: 12px;
}
.modal-card:has(.focus-review-card) .modal-head p {
  margin: 4px 0 0;
  font-size: 12px;
}
.modal-card:has(.focus-review-card) .focus-review-progress {
  margin-bottom: 6px;
}
.modal-card:has(.focus-review-card) progress {
  display: block;
  height: 5px;
  margin: 0 0 10px;
  accent-color: var(--green);
}
.modal-card:has(.focus-review-card) .button {
  min-height: 40px;
  padding: 8px 12px;
  font-size: 12px;
}
.modal-card:has(.focus-review-card) .modal-actions {
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 10px;
  padding-top: 10px;
  gap: 8px;
}
.focus-review-source {
  overflow-wrap: anywhere;
}

.upgrade-answer {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.answer-section {
  padding: 13px 14px;
  border-radius: 13px;
  background: var(--green-soft);
}

.answer-section.pattern { background: var(--blue-soft); }
.answer-section.collocations { background: var(--ochre-soft); }
.answer-section.your-turn { background: var(--violet-soft); }
.answer-section.vocabulary { background: var(--green-soft); }

.corpus-shelf {
  margin-bottom: 20px;
  border-color: color-mix(in srgb, var(--green) 24%, var(--line));
}

.corpus-sections {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.corpus-sections h3 {
  margin: 0 0 9px;
  color: var(--ink-strong);
  font-size: 13px;
}

.corpus-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.corpus-chips span {
  display: inline-flex;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-muted);
  color: var(--ink-strong);
  font-size: 12px;
}

.corpus-empty {
  margin: 0;
  color: var(--ink-soft);
}

.answer-section strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-soft);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.answer-section p,
.answer-section ul {
  margin: 0;
  color: var(--ink-strong);
}

.answer-section ul {
  padding-left: 20px;
}

.reveal-button {
  width: 100%;
  margin-top: 14px;
  padding: 12px;
  border: 1px dashed var(--green);
  border-radius: 12px;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 800;
}

.empty-state {
  display: grid;
  min-height: 210px;
  place-items: center;
  padding: 32px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  text-align: center;
}

.empty-symbol {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  margin: 0 auto 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  color: var(--coral);
  font-family: var(--font-serif);
  font-size: 26px;
}

.empty-state h2,
.empty-state h3 {
  margin-bottom: 6px;
}

.empty-state p {
  max-width: 440px;
  margin-bottom: 16px;
  color: var(--ink-soft);
}

.report-hero {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 18px;
  margin-bottom: 20px;
}

.focus-card {
  padding: 25px;
  border: 0;
  background: var(--coral);
  color: #fff;
}

.focus-card h2,
.focus-card h3 {
  color: #fff;
}

.focus-card .eyebrow {
  color: #ffe4dc;
}

.focus-number {
  display: block;
  margin: 12px 0 4px;
  font-family: var(--font-serif);
  font-size: 50px;
  line-height: 1;
}

.report-table {
  width: 100%;
  border-collapse: collapse;
}

.report-table th,
.report-table td {
  padding: 13px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.report-table th {
  color: var(--ink-soft);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.delta-up { color: var(--danger); }
.delta-down { color: var(--green); }
.delta-flat { color: var(--ink-soft); }

.conquered-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

.conquered-item {
  padding: 14px;
  border-radius: 13px;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 750;
}

.section-copy {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.score-trend-card {
  margin-bottom: 20px;
}

.trend-head {
  align-items: flex-start;
}

.trend-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.trend-stats > div {
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  border-radius: 13px;
  background: var(--surface-muted);
}

.trend-stats strong {
  color: var(--ink-strong);
  font-family: var(--font-serif);
  font-size: 23px;
}

.trend-stats strong.positive { color: var(--green); }
.trend-stats strong.negative { color: var(--danger); }

.trend-stats span {
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 750;
}

.score-chart-wrap {
  width: 100%;
  overflow-x: auto;
}

.score-chart {
  display: block;
  width: 100%;
  min-width: 580px;
  height: auto;
}

.score-grid-line {
  stroke: var(--line);
  stroke-dasharray: 5 7;
  stroke-width: 1;
}

.score-axis-label,
.score-date-label {
  fill: var(--ink-soft);
  font-family: var(--font-sans);
  font-size: 11px;
}

.score-area {
  fill: color-mix(in srgb, var(--green-soft) 78%, transparent);
  stroke: none;
}

.score-line {
  fill: none;
  stroke: var(--green);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 4;
}

.score-dot {
  fill: var(--surface);
  stroke: var(--green);
  stroke-width: 4;
}

.report-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 20px;
  margin-bottom: 20px;
}

.frequency-list {
  display: grid;
  gap: 10px;
}

.frequency-row {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto auto;
  gap: 12px;
  align-items: center;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
}

.frequency-rank {
  display: grid;
  width: 34px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background: var(--violet-soft);
  color: var(--violet);
  font-weight: 900;
}

.frequency-copy {
  min-width: 0;
}

.frequency-copy h3 {
  margin: 0 0 2px;
  font-size: 14px;
}

.frequency-copy p {
  overflow: hidden;
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.frequency-count {
  min-width: 48px;
  color: var(--coral);
  text-align: right;
}

.weekly-focus-card {
  overflow: hidden;
}

.weekly-focus-main {
  min-height: 185px;
  padding: 22px;
  background: var(--coral);
  color: #fff;
}

.weekly-focus-main h2 { color: #fff; }
.weekly-focus-main .eyebrow { color: #ffe4dc; }

.weekly-focus-stats {
  padding: 18px;
}

.weekly-focus-stats .data-counts {
  margin-top: 9px;
}

.weekly-focus-stats .data-count {
  padding: 10px 6px;
}

.session-history-card,
.weekly-detail-card {
  margin-bottom: 20px;
}

.session-history-list {
  display: grid;
  gap: 10px;
}

.session-history-item {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface-strong);
}

.session-history-item > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 17px;
  cursor: pointer;
  list-style: none;
}

.session-history-item > summary::-webkit-details-marker { display: none; }

.session-history-item > summary::after {
  content: "+";
  color: var(--ink-soft);
  font-size: 21px;
  line-height: 1;
}

.session-history-item[open] > summary::after { content: "−"; }

.session-history-item > summary > div {
  display: grid;
  min-width: 0;
}

.session-history-item > summary strong {
  color: var(--ink-strong);
}

.session-history-item > summary span:not(.history-score) {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-score {
  margin-left: auto;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 850;
  white-space: nowrap;
}

.session-history-body {
  padding: 0 17px 17px;
  border-top: 1px solid var(--line);
}

.session-history-body > .session-report-grid {
  margin-top: 17px;
}

.history-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 14px;
}

.report-table-wrap {
  overflow-x: auto;
}

.drill-list {
  display: grid;
  gap: 14px;
}

.drill-card {
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-muted);
}

.drill-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 800;
}

.drill-instruction {
  margin: 13px 0 6px;
  color: var(--ink-soft);
  font-size: 11px;
}

.drill-card blockquote {
  margin: 0;
  padding: 14px;
  border-left: 4px solid var(--danger);
  border-radius: 0 12px 12px 0;
  background: var(--surface);
  color: var(--ink-strong);
  font-family: var(--font-serif);
  font-size: 18px;
}

.drill-answer {
  margin-top: 10px;
  padding: 11px 13px;
  border-radius: 12px;
  background: var(--green-soft);
}

.drill-answer summary {
  cursor: pointer;
  color: var(--green);
  font-weight: 850;
}

.drill-answer > p {
  margin: 9px 0 0;
  color: var(--ink-strong);
}

.drill-reason {
  color: var(--ink-soft) !important;
  font-size: 11px;
}

.drill-your-turn {
  display: grid;
  gap: 6px;
  margin-top: 12px;
  color: var(--ink-strong);
  font-size: 12px;
  font-weight: 800;
}

.drill-your-turn textarea {
  min-height: 72px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  resize: vertical;
}

/* 精简后的错题筛选与单题练习 */
.error-toolbar {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.error-toolbar .library-search { min-width: 0; }

.error-filter-menu { position: static; justify-self: end; }
.error-filter-menu > summary {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink-strong);
  cursor: pointer;
  list-style: none;
  font-weight: 800;
}
.error-filter-menu > summary::-webkit-details-marker { display: none; }
.error-filter-popover {
  position: absolute;
  z-index: 12;
  top: calc(100% + 7px);
  right: 0;
  display: grid;
  min-width: 0;
  width: min(320px, 100%);
  box-sizing: border-box;
  max-height: 310px;
  padding: 8px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.error-filter-option {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 9px;
  width: 100%;
  padding: 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--ink-strong);
  text-align: left;
}
.error-filter-option small { margin-left: auto; color: var(--ink-soft); }
.error-filter-option span { min-width: 0; overflow-wrap: anywhere; }
.error-filter-option small { flex-shrink: 0; white-space: nowrap; }
.error-filter-reset { border-bottom: 1px solid var(--line); border-radius: 0; margin-bottom: 5px; }
.error-date-heading { margin: 10px 0 0; font-size: 14px; color: var(--ink-soft); }
.scenario-direct { display: flex; justify-content: space-between; align-items: center; gap: 12px; width: 100%; text-align: left; white-space: normal; }
.scenario-direct strong { overflow-wrap: anywhere; }
.settings-sections { display: grid; gap: 12px; }
.report-tabs { margin-bottom: 16px; }
.report-calendar { padding: 16px; }
.calendar-month { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.calendar-month h2 { margin: 0; flex: 1; font-size: 20px; }
.calendar-legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; font-size: 12px; }
.calendar-legend span { padding: 5px 8px; border-radius: 6px; }
.report-calendar .low { background: #f0ddd0; color: #563f31; }
.report-calendar .mid { background: #e8e7cf; color: #494a32; }
.report-calendar .high { background: #d6e5d9; color: #2d4e39; }
.report-calendar .unscored { background: #dfe5ed; color: #384655; }
.report-calendar .empty { background: var(--surface); color: var(--ink-soft); }
.calendar-grid, .calendar-week { display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); gap: 6px; }
.calendar-week { text-align: center; padding: 12px 0 8px; }
.calendar-day { display: grid; justify-items: center; align-content: center; gap: 4px; min-width: 0; min-height: 78px; border: 1px solid var(--line); border-radius: 10px; padding: 5px 2px; cursor: pointer; font-size: 13px; }
.calendar-day small { min-height: 15px; font-size: 11px; }
.calendar-day.today strong { text-decoration: underline; text-underline-offset: 3px; }
.calendar-day[aria-pressed="true"] { outline: 2px solid var(--green); outline-offset: -2px; }
.calendar-day-reports { margin-top: 20px; }
.calendar-session { border: 1px solid var(--line); border-radius: 14px; background: var(--surface); margin: 10px 0; padding: 14px; }
.calendar-session > summary { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; cursor: pointer; }
.calendar-session > summary span { flex: 1; min-width: 100px; overflow-wrap: anywhere; color: var(--ink-soft); }
.calendar-session-overview { display: flex; gap: 18px; align-items: center; padding: 14px 0; }
.calendar-session-overview .score-ring { flex: 0 0 130px; width: 130px; height: 130px; }
.calendar-comment { margin-bottom: 14px; }
.calendar-comment > summary { cursor: pointer; font-weight: 600; }
.report-trend-svg { width: 100%; height: auto; }
@media (max-width: 480px) {
  .report-calendar { padding: 10px; }
  .calendar-grid, .calendar-week { gap: 3px; }
  .calendar-day { min-height: 68px; font-size: 12px; border-radius: 7px; }
  .calendar-session-overview { flex-wrap: wrap; }
}
.settings-sections .settings-card { padding: 18px; }
#view-settings .settings-sections { gap: 12px; }
#view-settings .settings-card { padding: 16px 18px; border-radius: 18px; }
#view-settings .settings-card h2 { margin: 0 0 10px; font-size: 19px; line-height: 1.35; }
#view-settings .settings-card p { margin: 0; line-height: 1.6; overflow-wrap: anywhere; }
#view-settings .settings-card .section-copy { font-size: 13px; margin-bottom: 12px; }
#view-settings .settings-card .field-hint { font-size: 12px; margin-top: 12px; }
#view-settings .settings-card .inline-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding-bottom: 2px; }
#view-settings .settings-card .button { min-height: 40px; padding: 9px 13px; margin: 0; font-size: 13px; line-height: 1.35; }
#view-settings .settings-danger { margin-top: 14px; padding-top: 12px; }
#view-settings .settings-danger p { margin: 10px 0 12px; }
#view-settings details.settings-card > p { margin-top: 10px; }
.settings-sections summary { cursor: pointer; font-weight: 600; }
.settings-danger { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 12px; }
#quick-add[hidden] { display: none !important; }
.scenario-direct span { flex-shrink: 0; font-size: 12px; color: var(--ink-soft); }
#report-search-form { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
#report-search-form input { min-width: 0; max-width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--ink); }
#report-search-form input[type="search"] { flex: 1 1 180px; }
.error-filter-option.is-active { background: var(--green-soft); color: var(--green); }
.status-dot-filter { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.status-dot-filter.due { background: var(--danger); }
.status-dot-filter.learning { background: var(--ochre); }
.status-dot-filter.mastered { background: var(--green); }
.active-filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 12px;
}
.active-filter-row button { border: 0; background: none; color: var(--green); font-weight: 800; }
.pending-tag-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 16px 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--ochre);
  border-radius: 14px;
  background: var(--surface);
}
.pending-tag-banner div { display: grid; gap: 3px; }
.pending-tag-banner span { color: var(--ink-soft); font-size: 12px; }
.classification-pill.pending { background: var(--oat-soft, var(--surface-muted)); color: var(--ink-soft); }

.drill-session { display: grid; gap: 14px; }
.drill-progress-head { display: flex; justify-content: space-between; color: var(--ink-soft); font-size: 12px; font-weight: 800; }
.drill-progress { height: 6px; overflow: hidden; border-radius: 999px; background: var(--surface-muted); }
.drill-progress span { display: block; height: 100%; border-radius: inherit; background: var(--green); transition: width 180ms ease; }
.drill-question-card { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface-muted); }
.drill-question-card blockquote { margin: 10px 0 16px; padding: 16px; border-left: 4px solid var(--danger); background: var(--surface); font-family: var(--font-serif); font-size: 20px; }
.drill-correction-input { min-height: 78px; }
.drill-answer-panel { margin-top: 16px; padding: 15px; border-radius: 14px; background: var(--green-soft); }
.drill-answer-panel > span, .drill-reason strong { color: var(--green); font-size: 11px; font-weight: 900; }
.drill-answer-panel > p { margin: 6px 0 12px; color: var(--ink-strong); font-size: 17px; }
.drill-reason p { margin: 5px 0 0; color: var(--ink-soft); }

@media (max-width: 680px) {
  .error-toolbar { grid-template-columns: 1fr auto auto; }
  .error-toolbar .library-search { grid-column: 1 / -1; }
  .error-filter-popover { right: auto; left: 0; }
  .error-filter-menu:last-child .error-filter-popover { right: 0; left: auto; }
  .pending-tag-banner { align-items: flex-start; }
}

/* 更紧凑的纠错对照与语料浏览 */
.error-knowledge-card,
.corpus-record-card {
  gap: 9px;
  padding: 13px 14px;
  border-radius: 13px;
}

.error-comparison {
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 9px;
}

.error-comparison .sentence-box,
.error-comparison .sentence-box.correct {
  min-height: 82px;
  padding: 10px 12px;
  border: 0;
  border-radius: 0;
  background: var(--surface);
}

.error-comparison .sentence-box + .sentence-box {
  border-left: 1px solid var(--line);
}

.error-comparison .sentence-label {
  margin-bottom: 5px;
  color: var(--ink-strong);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: none;
}

.error-comparison .sentence-text {
  margin: 0;
  font-family: inherit;
  font-size: 16px;
  line-height: 1.42;
}

.record-reason {
  padding: 8px 10px;
  font-size: 11px;
  line-height: 1.5;
}

.corpus-entry-list { gap: 6px; }
.corpus-entry {
  grid-template-columns: minmax(150px, .8fr) minmax(120px, .65fr) minmax(210px, 1.3fr);
  gap: 10px;
  padding: 11px 12px;
  border-radius: 9px;
}
.corpus-expression { margin-top: 8px; font-size: 16px; line-height: 1.35; }
.corpus-meaning { margin-top: 9px; font-size: 12px; }
.corpus-context { min-height: 52px; padding: 8px 10px; }
.corpus-context p { margin-top: 3px; font-size: 11px; line-height: 1.45; }
.corpus-type { top: 7px; right: 7px; }
.record-topline { margin-bottom: 5px; }
.record-details { padding-top: 7px; }
.record-actions { margin-top: 0; }

/* 语料不再按 CEFR 水平显示或筛选。第三项是旧版导入预览中的等级字段。 */
.live-classification-grid > .field:nth-child(3) { display: none; }

@media (max-width: 680px) {
  .error-comparison { grid-template-columns: 1fr; }
  .error-comparison .sentence-box + .sentence-box { border-top: 1px solid var(--line); border-left: 0; }
  .error-comparison .sentence-box { min-height: 0; }
  .corpus-entry { grid-template-columns: 1fr; padding-top: 30px; }
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.settings-card {
  padding: 23px;
}

.settings-card.full {
  grid-column: 1 / -1;
}

.settings-card p {
  color: var(--ink-soft);
}

.level-route-large {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 15px 0 10px;
}

.level-route-large span {
  display: grid;
  min-width: 60px;
  min-height: 52px;
  place-items: center;
  border-radius: 14px;
  background: var(--green-soft);
  color: var(--green);
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 900;
}

.level-route-large b { color: var(--ink-soft); }

.level-profile-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 14px;
}

.level-arrow {
  padding-bottom: 12px;
  color: var(--green);
  font-size: 24px;
  font-weight: 900;
}

.level-rule {
  margin-top: 18px;
  padding: 14px;
  border-radius: 13px;
  background: var(--surface-muted);
}

.level-rule p {
  margin: 5px 0 0;
  color: var(--ink-soft);
}

.data-counts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
  margin: 16px 0;
}

.data-count {
  padding: 13px;
  border-radius: 12px;
  background: var(--surface-muted);
}

.data-count strong {
  display: block;
  color: var(--ink-strong);
  font-family: var(--font-serif);
  font-size: 24px;
}

.modal-layer {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(9, 22, 17, 0.58);
  backdrop-filter: blur(5px);
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(680px, 100%);
  max-height: min(88vh, 850px);
  overflow: auto;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.3);
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.modal-head h2 {
  margin-bottom: 4px;
}

.modal-head p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.field {
  display: grid;
  gap: 7px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label,
.field-label {
  color: var(--ink-strong);
  font-size: 12px;
  font-weight: 800;
}

.required::after {
  color: var(--coral);
  content: " *";
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-strong);
}

.field textarea {
  min-height: 86px;
  resize: vertical;
}

.field-hint {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.today-report-card {
  margin-bottom: 22px;
}

.today-report-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.today-report-head h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 48px);
}

.today-report-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 9px;
}

.today-practice-control {
  display: grid;
  gap: 5px;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.06em;
}

.today-practice-control select {
  min-width: 150px;
  min-height: 34px;
  padding: 6px 34px 6px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--surface-strong);
  color: var(--ink-strong);
  font-size: 12px;
  font-weight: 800;
}

.today-report-body {
  display: grid;
  gap: 14px;
}

.today-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}

.today-metric {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-strong);
}

.today-metric strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink-strong);
  font-family: var(--font-serif);
  font-size: 25px;
  line-height: 1;
}

.today-metric span {
  color: var(--ink-soft);
  font-size: 10px;
}

.today-report-link {
  justify-self: end;
}

.today-written-report {
  margin-top: 3px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.today-summary-label {
  display: block;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.today-written-report > .session-summary {
  margin: 8px 0 0;
}

.today-written-report .session-section-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.today-topics,
.today-new-learning,
.today-learning-plan {
  margin-top: 3px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.today-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 13px;
}

.today-section-head h2 {
  margin: 0;
  font-size: 20px;
}

.today-section-head > div > p:last-child {
  margin: 4px 0 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.today-topic-chips,
.learning-summary-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.today-topic-chips span {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
}

.today-topic-empty {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.learning-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.learning-summary-card {
  display: grid;
  align-content: start;
  gap: 11px;
  min-width: 0;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
}

.learning-summary-title {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.learning-summary-title strong {
  color: var(--ink-strong);
  font-family: var(--font-serif);
  font-size: 27px;
  line-height: 1;
}

.learning-summary-title span {
  color: var(--ink-strong);
  font-size: 12px;
  font-weight: 850;
}

.learning-summary-chips span {
  max-width: 100%;
  overflow: hidden;
  padding: 4px 7px;
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--ink-soft);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.learning-summary-chips .more {
  color: var(--green);
  font-weight: 850;
}

.learning-summary-empty {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.learning-summary-card .text-action {
  align-self: end;
  justify-self: start;
}

.learning-task-list {
  display: grid;
  gap: 9px;
}

.learning-task {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
}

.task-number {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}

.learning-task-copy {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.learning-task-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.task-focus {
  justify-self: start;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--violet-soft);
  color: var(--violet);
  font-size: 9px;
  font-weight: 900;
}

.task-practice-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border: 0;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 10px;
  font-weight: 850;
  white-space: nowrap;
}

.task-practice-link:hover,
.task-practice-link:focus-visible {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--green) 22%, transparent);
}

.learning-task-copy strong {
  color: var(--ink-strong);
  font-size: 13px;
}

.learning-task-copy p,
.learning-task-copy small {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.learning-task-copy b {
  color: var(--ink-strong);
}

.success-criteria {
  padding: 8px 10px;
  border-left: 3px solid var(--coral);
  border-radius: 4px 9px 9px 4px;
  background: var(--coral-soft);
}

.task-practice {
  display: grid;
  gap: 9px;
  margin-top: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-muted);
}

.task-practice.is-highlighted {
  border-color: var(--green);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--green) 16%, transparent);
}

.task-practice-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.task-practice-head strong {
  font-size: 11px;
}

.task-practice-head span {
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 9px;
  font-weight: 850;
}

.practice-method,
.practice-empty {
  margin: 0;
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.55;
}

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

.practice-question-list > li {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
}

.practice-question {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  padding: 10px;
}

.practice-question > span {
  padding: 2px 5px;
  border-radius: 5px;
  background: var(--violet-soft);
  color: var(--violet);
  font-size: 9px;
  font-weight: 900;
  white-space: nowrap;
}

.practice-question p,
.practice-answer p {
  margin: 0;
  color: var(--ink-strong);
  font-size: 11px;
  line-height: 1.55;
  white-space: pre-line;
}

.practice-answer {
  border-top: 1px solid var(--line);
}

.practice-answer summary {
  padding: 8px 10px;
  color: var(--green);
  cursor: pointer;
  font-size: 10px;
  font-weight: 800;
  list-style-position: inside;
}

.practice-answer p {
  padding: 0 10px 10px;
  color: var(--ink-soft);
}

.today-task-progress {
  flex: 0 0 auto;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 10px;
  font-weight: 850;
}

.today-report-empty {
  padding: 30px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: 16px;
  background: var(--surface-muted);
  text-align: center;
}

.today-report-empty strong {
  color: var(--ink-strong);
  font-family: var(--font-serif);
  font-size: 24px;
}

.today-report-empty p {
  margin: 7px 0 0;
  color: var(--ink-soft);
}

.today-review-card {
  margin-top: 0;
}

.session-report-grid {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(280px, 1.05fr);
  gap: 22px;
  align-items: stretch;
}

.score-dashboard {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 22px;
  align-items: center;
  padding: 20px;
  border-radius: 18px;
  background: var(--surface-muted);
}

.score-ring {
  display: grid;
  width: 142px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--green) calc(var(--score) * 1%), var(--line) 0);
}

.score-ring > div {
  display: grid;
  width: 108px;
  aspect-ratio: 1;
  place-content: center;
  border-radius: 50%;
  background: var(--surface);
  text-align: center;
}

.score-ring strong {
  color: var(--ink-strong);
  font-family: var(--font-serif);
  font-size: 38px;
  line-height: 1;
}

.score-ring span {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 800;
}

.score-ring .cefr-level {
  display: inline-flex;
  justify-self: center;
  margin-top: 4px;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.25;
}

.score-dimensions {
  display: grid;
  gap: 12px;
}

.score-row > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 5px;
  color: var(--ink-soft);
  font-size: 11px;
}

.score-row strong { color: var(--ink-strong); }

.score-bar {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--line);
}

.score-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--green);
}

.session-recap {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
}

.chapter-pill,
.session-topic {
  display: inline-flex;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 10px;
  font-weight: 800;
}

.session-summary {
  margin: 13px 0;
  color: var(--ink-strong);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.7;
}

.session-summary.muted { color: var(--ink-soft); }

.session-topics,
.session-counts {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.session-counts {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 11px;
}

.session-counts span {
  padding: 5px 8px;
  border-radius: 8px;
  background: var(--surface-muted);
}

.session-counts strong { color: var(--ink-strong); }

.session-details {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 15px;
}

.session-details summary {
  cursor: pointer;
  color: var(--ink-strong);
  font-weight: 800;
}

.session-section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.session-section {
  padding: 14px;
  border-radius: 13px;
  background: var(--surface-muted);
}

.session-section.strength { background: var(--green-soft); }
.session-section.improve { background: var(--ochre-soft); }
.session-section.next { background: var(--blue-soft); }

.session-section h3 {
  margin-bottom: 8px;
  font-size: 13px;
}

.session-section ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 17px;
  color: var(--ink-soft);
  font-size: 11px;
}

.record-reason {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--ochre);
  border-radius: 0 9px 9px 0;
  background: var(--ochre-soft);
  color: var(--ink-soft);
  font-size: 12px;
}

.record-reason strong { color: var(--ink-strong); }

.modal-card.modal-wide {
  width: min(1060px, 100%);
}

.quick-choice.live-choice {
  grid-column: 1 / -1;
  border-color: color-mix(in srgb, var(--green) 42%, var(--line));
  background: var(--green-soft);
}

.live-paste {
  min-height: 280px !important;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.55;
}

.prompt-helper {
  margin-top: 14px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-muted);
  color: var(--ink-soft);
  font-size: 12px;
}

.prompt-helper summary {
  cursor: pointer;
  color: var(--ink-strong);
  font-weight: 800;
}

.start-prompt-helper {
  margin: -4px 0 16px;
}

.start-prompt-preview {
  max-height: 210px;
  overflow: auto;
  margin: 12px 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
}

.start-prompt-actions {
  align-items: stretch;
}

.live-session-fields {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--surface-muted);
}

.score-input-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 11px;
  margin-top: 15px;
}

.live-list-grid,
.live-import-item-grid,
.live-import-detail-grid,
.live-classification-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.live-classification-grid { margin-top: 12px; }

.level-excluded {
  margin: 10px 0 0;
  padding: 8px 10px;
  border-radius: 9px;
  background: var(--ochre-soft);
  color: var(--ochre);
  font-size: 11px;
  font-weight: 750;
}

.live-list-grid { margin-top: 15px; }

.live-import-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin: 24px 0 12px;
}

.live-import-toolbar h3,
.live-import-toolbar p { margin-bottom: 0; }
.live-import-toolbar p { color: var(--ink-soft); font-size: 12px; }

.live-import-item {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface-strong);
}

.live-upgrade-fields {
  padding: 12px 13px;
  border: 1px dashed color-mix(in srgb, var(--violet) 55%, var(--line));
  border-radius: 12px;
  background: var(--violet-soft);
}

.live-upgrade-fields summary {
  cursor: pointer;
  color: var(--ink-strong);
  font-size: 12px;
  font-weight: 800;
}

.live-upgrade-fields > .field-hint {
  margin: 8px 0 12px;
}

.live-import-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}

.live-import-item-head select {
  width: auto;
  min-width: 130px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
}

.check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-strong);
  font-size: 12px;
  font-weight: 800;
}

.check-label input { width: 17px; height: 17px; }

.sticky-actions {
  position: sticky;
  bottom: -24px;
  z-index: 2;
  margin: 22px -24px -24px;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: blur(14px);
}

.empty-state.compact { min-height: 180px; }

.tag-editor {
  position: relative;
  display: flex;
  min-height: 46px;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-strong);
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 7px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 11px;
  font-weight: 750;
}

.tag-chip button {
  padding: 0;
  border: 0;
  background: transparent;
  color: currentColor;
  line-height: 1;
}

.tag-editor input[type="text"] {
  min-width: 130px;
  flex: 1 1 130px;
  padding: 4px;
  border: 0;
  outline: 0;
  background: transparent;
}

.tag-suggestions {
  position: absolute;
  z-index: 3;
  top: calc(100% + 6px);
  right: 0;
  left: 0;
  display: flex;
  max-height: 150px;
  flex-wrap: wrap;
  gap: 6px;
  overflow: auto;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.tag-suggestion {
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 11px;
}

.list-inputs {
  display: grid;
  gap: 8px;
}

.list-input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 7px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 9px;
  margin-top: 22px;
  padding-top: 17px;
  border-top: 1px solid var(--line);
}

.quick-choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.quick-choice {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-strong);
  text-align: left;
}

.quick-choice:hover {
  border-color: var(--coral);
}

.quick-choice strong {
  display: block;
  margin-bottom: 5px;
  color: var(--ink-strong);
  font-size: 16px;
}

.quick-choice span {
  color: var(--ink-soft);
  font-size: 12px;
}

.toast-region {
  position: fixed;
  z-index: 200;
  right: 20px;
  bottom: 24px;
  display: grid;
  gap: 8px;
}

.toast {
  max-width: 340px;
  padding: 12px 15px;
  border-radius: 12px;
  background: var(--ink-strong);
  color: var(--surface);
  box-shadow: var(--shadow);
  font-size: 12px;
  animation: toast-in 180ms ease-out;
}

.toast button { margin-left: 12px; padding: 6px 10px; border: 1px solid currentColor; border-radius: 8px; background: transparent; color: inherit; font: inherit; font-weight: 700; cursor: pointer; }
.toast button:disabled { opacity: .5; }
/* Light pop accents: reserve offset shadows for deliberate actions. */
.view { --pop-accent: var(--accent-green); }
#view-errors { --pop-accent: var(--accent-pink); }
#view-upgrades { --pop-accent: var(--accent-blue); }
#view-report { --pop-accent: var(--accent-yellow); }
.view .button.primary, .view .today-task-action {
  background: var(--surface);
  color: var(--ink-strong);
  border: 1px solid var(--ink-strong);
  box-shadow: 2px 2px 0 var(--pop-accent);
  font-weight: 750;
}
.view .button.primary:active, .view .today-task-action:active { transform: translate(1px, 1px); box-shadow: 1px 1px 0 var(--pop-accent); }
.view h1, .view h2 { font-family: var(--font-sans); font-weight: 800; letter-spacing: -.025em; }
.view .card, .view .record-card { box-shadow: none; }
.bottom-nav-item[data-route="errors"].is-active > span { background: var(--accent-pink); color: var(--ink-strong); }
.bottom-nav-item[data-route="upgrades"].is-active > span { background: var(--accent-blue); color: var(--ink-strong); }
.bottom-nav-item[data-route="report"].is-active > span { background: var(--accent-yellow); color: var(--ink-strong); }
#undo-toast-region {
  position: fixed;
  z-index: 210;
  top: calc(10px + env(safe-area-inset-top));
  left: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  max-height: 24vh;
  overflow-y: auto;
  pointer-events: none;
}
#undo-toast-region .toast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: max-content;
  max-width: 100%;
  padding: 6px 10px;
  border-radius: 10px;
  font-size: 12px;
  pointer-events: auto;
}
#undo-toast-region .toast button {
  flex: 0 0 auto;
  min-height: 32px;
  padding: 4px 10px;
  margin-left: 12px;
}
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
}

.fab {
  position: fixed;
  z-index: 55;
  right: 28px;
  bottom: 28px;
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 0;
  border-radius: 18px;
  background: var(--coral);
  color: #fff;
  box-shadow: 0 14px 30px color-mix(in srgb, var(--coral) 35%, transparent);
  font-size: 30px;
  line-height: 1;
}

.fab:hover {
  transform: translateY(-2px);
}

.fatal-card {
  width: min(560px, 100%);
  margin: 60px auto;
  padding: 28px;
  border: 1px solid var(--danger);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

/* Refined information hierarchy and Morandi visual system */
.card,
.record-card {
  box-shadow: none;
}

.today-review-card,
.today-practice-card,
.today-report-card {
  margin-bottom: 18px;
}

.today-review-card .card-head,
.today-practice-card .card-head {
  margin-bottom: 13px;
}

.today-practice-grid {
  display: grid;
  grid-template-columns: minmax(150px, 0.6fr) minmax(240px, 1fr) auto;
  gap: 12px;
  align-items: end;
}

.today-practice-control input,
.today-practice-control select {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-strong);
  color: var(--ink-strong);
  font-weight: 750;
}

.today-topic-control {
  min-width: 0;
}

.today-start-button {
  min-height: 42px;
  white-space: nowrap;
}

.start-prompt-helper {
  margin: 14px 0 0;
  background: color-mix(in srgb, var(--surface-muted) 70%, var(--surface));
}

.today-report-head {
  align-items: center;
  margin-bottom: 15px;
}

.today-report-head h2 {
  margin: 0;
  font-size: 22px;
}

.score-note {
  margin: -4px 2px 2px;
  color: var(--ink-soft);
  font-size: 10px;
}

.today-written-report {
  margin-top: 0;
  padding-top: 16px;
}

.today-summary-label {
  letter-spacing: 0;
}

.today-topics,
.today-new-learning,
.today-learning-plan {
  padding-top: 16px;
}

.today-topic-chips span,
.classification-pill,
.level-route,
.task-focus,
.tag,
.tag-chip {
  border: 1px solid var(--line);
  background: var(--surface-muted);
  color: var(--ink);
}

.classification-pill.grammar,
.classification-pill.level,
.classification-pill.scenario {
  background: var(--surface-muted);
  color: var(--ink);
}

.learning-summary-card {
  min-height: 142px;
  background: color-mix(in srgb, var(--surface-strong) 72%, var(--surface-muted));
}

.learning-summary-chips span {
  border: 0;
  background: transparent;
  color: var(--ink-soft);
}

.learning-summary-chips span::before {
  content: "·";
  margin-right: 4px;
  color: var(--green);
}

.learning-task {
  border-left: 4px solid var(--green);
  background: color-mix(in srgb, var(--green-soft) 42%, var(--surface-strong));
}

.task-number {
  border-radius: 10px;
  background: var(--green-soft);
  color: var(--green);
}

.success-criteria {
  border-left-color: var(--ochre);
  background: var(--ochre-soft);
}

.task-practice {
  margin-top: 7px;
  padding: 0;
  overflow: hidden;
  background: var(--surface-strong);
}

.task-practice > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  color: var(--green);
  cursor: pointer;
  font-size: 11px;
  font-weight: 850;
}

/* Grammar knowledge cards and scenario corpus */
.library-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 24px 2px 12px;
}

.library-section-head h2 {
  margin: 0;
  color: var(--ink-strong);
  font-size: 22px;
}

.library-section-head h2 span,
.library-section-head p {
  color: var(--ink-soft);
}

.library-section-head p {
  margin: 4px 0 0;
  font-size: 12px;
}

.error-knowledge-card {
  display: grid;
  gap: 14px;
  padding: 20px;
}

.knowledge-card-head,
.classification-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.occurrence-count {
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 750;
}

.error-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.error-comparison .sentence-box {
  min-height: 124px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left-width: 1px;
  border-radius: 13px;
  background: color-mix(in srgb, var(--surface-muted) 76%, var(--surface));
}

.error-comparison .sentence-box.correct {
  background: color-mix(in srgb, var(--green-soft) 42%, var(--surface));
}

.sentence-text {
  margin: 10px 0 0;
  color: var(--ink-strong);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
  line-height: 1.55;
}

.sentence-text mark {
  padding: 0 2px;
  border-radius: 3px;
  background: transparent;
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
}

.sentence-text .diff-old { text-decoration-color: #b99b94; }
.sentence-text .diff-new { text-decoration-color: #8ca79a; }

.record-reason {
  margin: 0;
  padding: 12px 14px;
  border-left: 3px solid #a9a393;
  border-radius: 0 10px 10px 0;
  background: color-mix(in srgb, var(--ochre-soft) 35%, var(--surface));
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.65;
}

.record-details {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.record-details > summary {
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 11px;
  font-weight: 750;
}

.record-details .review-track { margin-top: 10px; }

.scenario-library-head {
  align-items: center;
  padding-top: 4px;
}

.text-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--green);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
}

.back-to-groups { margin-bottom: 7px; }

.scenario-group-index .library-group {
  background: color-mix(in srgb, var(--surface) 90%, var(--green-soft));
}

.corpus-record-card {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.corpus-entry-list {
  display: grid;
  gap: 10px;
}

.corpus-entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(160px, .8fr) minmax(160px, .7fr) minmax(240px, 1.5fr);
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface-muted) 70%, var(--surface));
}

.corpus-type {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 3px 7px;
  border-radius: 999px;
  background: #e6e1d7;
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 800;
}

.corpus-type.word { background: #dbe6df; }
.corpus-type.chunk { background: #e5dfd2; }

.corpus-expression {
  margin: 15px 0 0;
  color: var(--ink-strong);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
}

.corpus-meaning {
  margin: 18px 0 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
}

.corpus-meaning.is-missing,
.corpus-context.is-missing { color: var(--ink-soft); }

.corpus-context {
  min-height: 72px;
  padding: 11px 12px;
  border-left: 3px solid #9da99f;
  border-radius: 0 9px 9px 0;
  background: color-mix(in srgb, var(--surface) 75%, var(--green-soft));
}

.corpus-context strong {
  color: var(--ink-soft);
  font-size: 10px;
}

.corpus-context p {
  margin: 5px 0 0;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.6;
}

.record-source-topic {
  color: var(--ink-soft);
  font-size: 11px;
}

.corpus-entry-inputs,
.live-corpus-list {
  display: grid;
  gap: 12px;
  margin-top: 10px;
}

.corpus-entry-input-row,
.live-corpus-row {
  position: relative;
  display: grid;
  grid-template-columns: 150px 1fr 1fr;
  gap: 11px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-muted);
}

.corpus-entry-input-row .full,
.live-corpus-row .full { grid-column: 1 / -1; }

.corpus-entry-remove {
  position: absolute;
  top: 8px;
  right: 8px;
}

.focus-review-corpus-list {
  display: grid;
  gap: 9px;
}

.focus-review-corpus-list > div {
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-muted);
}

.focus-review-corpus-list p { margin: 4px 0; }
.focus-review-corpus-list small { color: var(--ink-soft); }

.task-practice > summary span {
  color: var(--ink-soft);
  font-size: 9px;
}

.task-practice > .practice-method,
.task-practice > .practice-empty,
.task-practice > .practice-question-list {
  margin: 0 12px 12px;
}

.more-learning-tasks {
  margin-top: 10px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.more-learning-tasks > summary {
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
}

.more-learning-tasks > .learning-task-list {
  margin-top: 11px;
}

.sentence-box.wrong {
  border-left: 3px solid var(--danger);
  background: color-mix(in srgb, var(--danger-soft) 58%, var(--surface-muted));
}

.sentence-box.correct {
  border-left: 3px solid var(--green);
  background: color-mix(in srgb, var(--green-soft) 58%, var(--surface-muted));
}

.sentence-label {
  letter-spacing: 0;
  text-transform: none;
}

.answer-section {
  border-left: 3px solid var(--green);
  background: color-mix(in srgb, var(--green-soft) 56%, var(--surface));
}

.answer-section.corpus {
  border-left-color: var(--ochre);
  background: color-mix(in srgb, var(--ochre-soft) 58%, var(--surface));
}

.answer-section.pattern {
  border-left-color: var(--blue);
  background: color-mix(in srgb, var(--blue-soft) 58%, var(--surface));
}

.answer-section.your-turn {
  border-left-color: var(--violet);
  background: color-mix(in srgb, var(--violet-soft) 58%, var(--surface));
}

.answer-section strong {
  letter-spacing: 0;
  text-transform: none;
}

.record-actions {
  align-items: center;
}

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

.corpus-record-footer {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 6px;
}

.error-card-footer { display: flex; align-items: flex-start; gap: 10px; border-top: 1px solid var(--line); padding-top: 6px; }
.error-card-footer > .record-details { flex: 1; min-width: 0; border: 0; padding-top: 6px; overflow-wrap: anywhere; }
.error-card-footer > .record-actions { flex: 0 0 auto; margin: 0; padding: 0; border: 0; gap: 6px; }
.error-card-footer .record-meta { margin-top: 6px; }
.error-card-footer .text-action { margin-top: 4px; }

.corpus-record-footer > .record-details {
  flex: 1;
  min-width: 0;
  border-top: 0;
  padding-top: 6px;
  overflow-wrap: anywhere;
}

.corpus-record-footer .record-source-topic {
  margin: 6px 0 0;
}

.corpus-record-footer > .record-menu {
  flex: 0 0 auto;
}

.record-menu {
  position: relative;
  margin-left: auto;
}

.record-menu > summary {
  display: grid;
  min-width: 36px;
  min-height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink-soft);
  cursor: pointer;
  list-style: none;
  font-weight: 850;
}

.record-menu > summary::-webkit-details-marker {
  display: none;
}

.record-menu > div {
  position: absolute;
  z-index: 8;
  right: 0;
  bottom: calc(100% + 7px);
  display: grid;
  min-width: 112px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.record-menu button {
  padding: 9px 12px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  text-align: left;
  font-size: 11px;
}

.record-menu button:last-child {
  border-bottom: 0;
}

.record-menu button.danger {
  color: var(--danger);
}

.filter-panel {
  position: relative;
}

.filter-panel > summary {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
  cursor: pointer;
  font-size: 12px;
  font-weight: 750;
  list-style: none;
}

.filter-panel > summary::-webkit-details-marker {
  display: none;
}

.filter-panel > summary::after {
  content: "+";
  margin-left: 7px;
  color: var(--ink-soft);
}

.filter-panel[open] > summary::after {
  content: "−";
}

.filter-panel > .filters {
  position: absolute;
  z-index: 7;
  top: calc(100% + 7px);
  right: 0;
  width: min(560px, 86vw);
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.frequency-card {
  margin-bottom: 20px;
}

.frequency-rank {
  background: var(--surface-muted);
  color: var(--ink);
}

.frequency-count {
  color: var(--ink-strong);
}

.report-weekly-details {
  overflow: hidden;
  margin-bottom: 20px;
}

.report-weekly-details > summary {
  padding: 18px 22px;
  color: var(--ink-strong);
  cursor: pointer;
  font-size: 15px;
  font-weight: 850;
}

.report-weekly-body {
  display: grid;
  gap: 18px;
  padding: 0 22px 22px;
}

.weekly-focus-card {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(300px, 1.3fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
}

.weekly-focus-main {
  min-height: 0;
  background: var(--coral-soft);
  color: var(--ink-strong);
}

.weekly-focus-main h2 {
  color: var(--ink-strong);
}

.week-range {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.weekly-detail-section {
  padding-top: 4px;
}

.fab {
  display: inline-flex;
  width: auto;
  height: 46px;
  padding: 0 17px;
  border-radius: 14px;
  background: var(--ink);
  color: var(--surface);
  box-shadow: var(--shadow);
  font-size: 12px;
  font-weight: 850;
}

@media (max-width: 1040px) {
  .sidebar { width: 218px; }
  .main-content { margin-left: 218px; padding-right: 28px; padding-left: 28px; }
  .report-hero { grid-template-columns: 1fr; }
  .report-feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  body { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }

  .sidebar { display: none; }

  .main-content {
    min-height: auto;
    margin-left: 0;
    padding: 18px 16px 40px;
  }

  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
  }

  .brand.compact { padding: 0; }

  .connection-pill {
    padding: 5px 9px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--ink-soft);
    font-size: 10px;
    font-weight: 750;
  }

  .bottom-nav {
    position: fixed;
    z-index: 50;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    padding: 7px 6px calc(6px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    backdrop-filter: blur(18px);
  }

  .bottom-nav-item {
    display: grid;
    gap: 2px;
    place-items: center;
    padding: 4px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--ink-soft);
  }

  .bottom-nav-item > span {
    display: grid;
    width: 40px;
    height: 28px;
    place-items: center;
    border-radius: 9px;
    font-size: 11px;
    font-weight: 850;
  }

  .bottom-nav-item small { font-size: 10px; line-height: 1.3; }
  .bottom-nav-item svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
  .bottom-nav-item:focus-visible { outline: 2px solid var(--green); outline-offset: -2px; }

  .bottom-nav-item.is-active { color: var(--ink-strong); }
  .bottom-nav-item.is-active small { font-weight: 700; }
  .bottom-nav-item.is-active > span { background: var(--accent-green); color: var(--ink-strong); }

  .fab {
    right: 17px;
    bottom: calc(79px + env(safe-area-inset-bottom));
    width: auto;
    height: 44px;
    padding: 0 14px;
    border-radius: 13px;
  }

  .page-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 21px;
  }

  .head-actions { width: 100%; }
  .head-actions .button { flex: 1; }

  h1 { font-size: 37px; }

  .today-report-head {
    align-items: stretch;
    flex-direction: column;
  }

  .today-report-actions {
    justify-content: flex-start;
  }

  .today-practice-control {
    flex: 1;
  }

  .today-practice-control select {
    width: 100%;
  }

  .today-practice-grid {
    grid-template-columns: 1fr;
  }

  .today-start-button {
    width: 100%;
  }

  .today-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .learning-summary-grid {
    grid-template-columns: 1fr;
  }

  .today-written-report .session-section-grid {
    grid-template-columns: 1fr;
  }

  .calendar-toolbar,
  .list-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .list-toolbar {
    top: 8px;
    padding: 10px;
  }

  .library-toolbar-main {
    align-items: stretch;
    flex-direction: column;
  }

  .library-search {
    width: 100%;
    min-width: 0;
  }

  .library-toolbar-main .segmented {
    width: 100%;
  }

  .library-toolbar-main .segmented button {
    flex: 1;
  }

  .library-group > summary {
    min-height: 66px;
    padding: 14px;
  }

  .library-group-body {
    padding: 0 14px 14px;
  }

  .library-list-footer {
    align-items: stretch;
    flex-direction: column;
    text-align: center;
  }

  .trend-head {
    align-items: stretch;
    flex-direction: column;
  }

  .trend-head .segmented { width: 100%; }
  .trend-head .segmented button { flex: 1; }

  .score-chart {
    min-width: 520px;
  }

  .frequency-row {
    grid-template-columns: 34px minmax(0, 1fr) auto;
  }

  .frequency-row .button {
    grid-column: 2 / -1;
    justify-self: start;
  }

  .week-grid {
    grid-template-columns: repeat(7, minmax(82vw, 1fr));
    margin-right: -16px;
    padding-right: 16px;
  }

  .day-column { min-height: 0; }

  .sentence-pair,
  .settings-grid,
  .form-grid,
  .quick-choice-grid,
  .session-report-grid,
  .session-section-grid,
    .live-list-grid,
    .live-import-item-grid,
    .live-import-detail-grid,
    .live-classification-grid,
    .level-profile-grid {
      grid-template-columns: 1fr;
    }

    .level-arrow {
      padding: 0;
      text-align: center;
      transform: rotate(90deg);
    }

  .score-dashboard {
    grid-template-columns: 112px 1fr;
    gap: 15px;
    padding: 15px;
  }

  .score-ring { width: 108px; }
  .score-ring > div { width: 82px; }
  .score-ring strong { font-size: 30px; }
  .score-ring .cefr-level {
    padding: 1px 5px;
    font-size: 8px;
  }

  .score-input-grid { grid-template-columns: 1fr 1fr; }
  .score-input-grid .field:first-child { grid-column: 1 / -1; }

  .live-session-fields { padding: 14px; }
  .live-import-item { padding: 13px; }

  .sticky-actions {
    bottom: calc(-22px - env(safe-area-inset-bottom));
    margin: 20px -17px calc(-22px - env(safe-area-inset-bottom));
    padding: 14px 17px calc(20px + env(safe-area-inset-bottom));
  }

  .field.full,
  .settings-card.full { grid-column: auto; }

  .record-topline { align-items: flex-start; }

  .filters {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .filter-panel {
    align-self: flex-end;
  }

  .filter-panel > .filters {
    position: fixed;
    z-index: 80;
    top: auto;
    right: 14px;
    bottom: calc(82px + env(safe-area-inset-bottom));
    left: 14px;
    width: auto;
  }

  .weekly-focus-card {
    grid-template-columns: 1fr;
  }

  .filter-select { width: 100%; }

  .modal-layer {
    align-items: end;
    padding: 0;
  }

  .modal-card {
    width: 100%;
    max-height: 92vh;
    padding: 21px 17px calc(22px + env(safe-area-inset-bottom));
    border-radius: 24px 24px 0 0;
  }

  .toast-region {
    right: 14px;
    bottom: calc(86px + env(safe-area-inset-bottom));
    left: 14px;
  }

  .toast { max-width: none; }

  .report-table { font-size: 12px; }
  .report-table th,
  .report-table td { padding: 10px 6px; }

  .error-comparison,
  .corpus-entry,
  .corpus-entry-input-row,
  .live-corpus-row {
    grid-template-columns: 1fr;
  }

  .error-knowledge-card,
  .corpus-record-card { padding: 15px; }

  .error-comparison .sentence-box { min-height: 0; }
  .sentence-text { font-size: 18px; }

  .corpus-entry { padding-top: 38px; }
  .corpus-expression,
  .corpus-meaning { margin-top: 0; }

  .corpus-entry-input-row .full,
  .live-corpus-row .full { grid-column: auto; }
}

@media (max-width: 400px) {
  .filters { grid-template-columns: 1fr; }
  .data-counts { grid-template-columns: 1fr; }
  .trend-stats { grid-template-columns: 1fr; }
  .score-dashboard { grid-template-columns: 1fr; justify-items: center; }
  .score-dimensions { width: 100%; }
  .session-history-item > summary { gap: 8px; padding: 13px; }
  .history-score { font-size: 11px; }
}

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

@media print {
  .sidebar,
  .bottom-nav,
  .fab,
  .mobile-header,
  .head-actions,
  .record-actions,
  .filters,
  .protocol-notice { display: none !important; }

  .main-content { margin: 0; padding: 20px; }
  body { background: #fff; color: #111; }
  .card,
  .record-card { break-inside: avoid; box-shadow: none; }
}

/* Final compact overrides */
.page-head { margin-bottom: 17px; }
.page-head h1 { font-size: clamp(28px, 3.5vw, 40px); }
.page-head .section-copy { font-size: 12px; }
.library-section-head { margin-top: 17px; margin-bottom: 9px; }
.library-section-head h2 { font-size: 19px; }
.frequency-card { padding: 16px; }
.frequency-row { padding: 10px 11px; }
.record-list { gap: 7px; }
.error-knowledge-card,
.corpus-record-card { gap: 9px; padding: 13px 14px; border-radius: 13px; }
.error-comparison { gap: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 9px; }
.error-comparison .sentence-box,
.error-comparison .sentence-box.correct { min-height: 82px; padding: 10px 12px; border: 0; border-radius: 0; background: var(--surface); }
.error-comparison .sentence-box + .sentence-box { border-left: 1px solid var(--line); }
.error-comparison .sentence-label { margin-bottom: 5px; color: var(--ink-strong); font-size: 12px; letter-spacing: 0; text-transform: none; }
.error-comparison .sentence-text { margin: 0; font-family: inherit; font-size: 16px; line-height: 1.42; }
.record-reason { padding: 8px 10px; font-size: 11px; line-height: 1.5; }
.record-reason strong { display: block; margin-bottom: 3px; color: var(--ink-strong); font-size: 10px; }
.record-reason p { margin: 0; }
.corpus-record-card .corpus-entry-list { gap: 6px; }
.corpus-record-card .corpus-entry { grid-template-columns: minmax(150px, .8fr) minmax(120px, .65fr) minmax(210px, 1.3fr); gap: 10px; padding: 11px 12px; border-radius: 9px; }
.corpus-record-card .corpus-expression { margin-top: 8px; font-size: 16px; line-height: 1.35; }
.corpus-record-card .corpus-meaning { margin-top: 9px; font-size: 12px; }
.corpus-record-card .corpus-context { min-height: 52px; padding: 8px 10px; }
.corpus-record-card .corpus-context p { margin-top: 3px; font-size: 11px; line-height: 1.45; }
.corpus-record-card .corpus-type { top: 7px; right: 7px; }
.corpus-record-card .record-topline { margin-bottom: 5px; }
.live-classification-grid > .field:nth-child(3) { display: none; }

.corpus-entry-tools {
  position: absolute;
  top: 7px;
  right: 7px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.corpus-entry-tools .corpus-type { position: static; }
.corpus-delete-button {
  padding: 3px 7px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--danger);
  font-size: 9px;
  font-weight: 800;
}
.corpus-delete-button:hover,
.corpus-delete-button:focus-visible { background: var(--danger-soft); }

.today-detail-list { display: grid; gap: 8px; }
.today-detail-row {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-muted);
}
.today-detail-row > strong { color: var(--ink-strong); font-size: 15px; }
.today-detail-row.corpus { display: grid; grid-template-columns: minmax(150px, .8fr) minmax(220px, 1.4fr); gap: 12px; }
.today-detail-row.corpus div { display: grid; gap: 3px; }
.today-detail-row.corpus div strong { color: var(--ink-strong); font-size: 15px; }
.today-detail-row.corpus div span { color: var(--ink-soft); font-size: 11px; }
.today-detail-row.corpus > p { margin: 0; color: var(--ink); font-size: 11px; line-height: 1.45; }
.today-detail-row.correction { display: grid; gap: 8px; }
.mini-correction { display: grid; grid-template-columns: 1fr 1fr; gap: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; }
.mini-correction p { margin: 0; padding: 9px 10px; color: var(--ink-strong); font-size: 12px; line-height: 1.45; }
.mini-correction p + p { border-left: 1px solid var(--line); background: var(--green-soft); }
.mini-correction small { display: block; margin-bottom: 4px; color: var(--ink-soft); font-size: 9px; font-weight: 800; }

@media (max-width: 680px) {
  .error-comparison { grid-template-columns: 1fr; }
  .error-comparison .sentence-box + .sentence-box { border-top: 1px solid var(--line); border-left: 0; }
  .error-comparison .sentence-box { min-height: 0; }
  .corpus-record-card .corpus-entry { grid-template-columns: 1fr; padding-top: 30px; }
  .today-detail-row.corpus,
  .mini-correction { grid-template-columns: 1fr; }
  .mini-correction p + p { border-top: 1px solid var(--line); border-left: 0; }
}

.live-transcript-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-muted);
}
.live-transcript-preview > div { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; }
.live-transcript-preview strong { color: var(--ink-strong); }
.live-transcript-preview small { flex-basis: 100%; color: var(--ink-soft); }
.session-transcript {
  margin-top: 12px;
  border-top: 1px solid var(--line);
}
.session-transcript > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 2px 4px;
  color: var(--ink-strong);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}
.transcript-status {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 800;
}
.transcript-status.complete { background: var(--green-soft); color: var(--green); }
.transcript-status.incomplete { background: var(--ochre-soft); color: var(--ochre); }
.transcript-status.fragments { background: var(--violet-soft); color: var(--violet); }
.transcript-status.missing { background: var(--surface-muted); color: var(--ink-soft); }
.transcript-body { display: grid; gap: 10px; padding: 10px 2px 2px; }
.transcript-note,
.transcript-empty {
  margin: 8px 2px 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.5;
}
.transcript-turns { display: grid; gap: 6px; }
.transcript-turn {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 9px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}
.transcript-turn > span {
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 800;
}
.transcript-turn > p {
  margin: 0;
  color: var(--ink-strong);
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.transcript-turn.user { border-left: 3px solid var(--green); }
.transcript-turn.assistant { background: var(--surface-muted); }
.transcript-turn.unknown { border-left: 3px solid var(--ochre); }

@media (max-width: 680px) {
  .live-transcript-preview { align-items: flex-start; flex-direction: column; }
  .transcript-turn { grid-template-columns: 1fr; gap: 4px; }
}
.history-load-more {
  display: flex;
  justify-content: center;
  padding-top: 18px;
}

/* Compact, aligned controls for role-play only. */
.role-practice-card { font-size: 14px; }
.role-practice-card h2 { margin: 0 0 12px; }
.role-scene-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 10px;
  align-items: center;
}
.role-practice-card .button,
.role-scene-controls select {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  font: inherit;
  font-weight: 600;
  line-height: 1.4;
}
.role-scene-controls select {
  width: 100%;
  min-width: 0;
  appearance: none;
  color: var(--ink);
  background-color: var(--surface-strong);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%23748079' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
  text-overflow: ellipsis;
}
.role-practice-card .button.primary { border-color: var(--ink); }
.role-practice-card .role-participants { margin: 10px 0 6px; color: var(--ink-soft); }
.role-practice-card .section-copy { margin: 0 0 12px; font-size: 13px; line-height: 1.6; }
.role-opening {
  margin: 0 0 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
  min-width: 0;
}
.role-opening-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.role-practice-card > .role-opening-heading { margin: 10px 0; }
.role-start { width: 100%; margin-top: 10px; }
.role-text-action { background: none; border: 0; padding: 8px 4px; color: var(--ink-soft); font: inherit; cursor: pointer; text-align: left; }
.role-text-action:hover { color: var(--ink); text-decoration: underline; }
.role-text-action:focus-visible, .role-secondary summary:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.role-secondary { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 16px; margin-top: 4px; }
.role-secondary summary { cursor: pointer; padding: 8px 0; color: var(--ink-soft); }
.role-secondary details[open] { flex-basis: 100%; min-width: 0; }
.role-help p { margin: 6px 0; color: var(--ink-soft); overflow-wrap: anywhere; }
.role-picker-tools { display: flex; justify-content: flex-end; margin: -8px 0 8px; }
.import-edit-details { margin: 10px 0; min-width: 0; }
.import-edit-details > summary { cursor: pointer; color: var(--ink-soft); padding: 8px 0; }
.import-brief { margin: 8px 0; line-height: 1.65; white-space: pre-wrap; overflow-wrap: anywhere; }
.calendar-session { scroll-margin-top: 20px; }

/* A single compact heading and one-row search/filter bar on the correction page. */
.error-page-heading { margin: 0 0 14px; }
.error-page-heading > div { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.error-page-heading h1 { margin: 0; font-family: inherit; font-size: clamp(24px, 3vw, 30px); line-height: 1.3; }
.error-result-count { padding: 3px 9px; border-radius: 8px; background: var(--surface); color: var(--ink-soft); font-size: 12px; white-space: nowrap; }
.error-page-heading p { margin: 5px 0 0; color: var(--ink-soft); font-size: 13px; }
#view-errors .error-toolbar { grid-template-columns: minmax(0, 1fr) auto; gap: 8px; margin-bottom: 12px; }
#view-errors .error-toolbar .library-search { grid-column: auto; width: 100%; min-width: 0; }
#view-errors .error-toolbar input { width: 100%; min-height: 42px; height: 42px; padding: 8px 12px; font-size: 14px; }
#view-errors .error-filter-menu > summary { min-height: 42px; padding: 0 12px; font-size: 13px; white-space: nowrap; }
#view-errors .record-list > .error-date-heading:first-child { margin-top: 0; }

/* Corpus search above a single row of type tabs and additional filters. */
#view-upgrades .list-toolbar { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; }
#view-upgrades .library-toolbar-main { display: contents; }
#view-upgrades .corpus-simple-toolbar { grid-template-columns: minmax(0, 1fr); }
#view-upgrades .library-search { grid-column: 1 / -1; min-width: 0; width: 100%; }
#view-upgrades .library-toolbar-main .segmented { display: flex; min-width: 0; width: 100%; }
#view-upgrades .library-toolbar-main .segmented button { flex: 1; min-width: 0; padding: 8px 6px; white-space: nowrap; }
#view-upgrades .filter-panel { align-self: center; margin: 0; }
#view-upgrades .filter-panel > summary { white-space: nowrap; padding: 8px 10px; }
#view-upgrades .corpus-date-menu { position: relative; }
#view-upgrades .corpus-date-menu > summary::after { content: none; }
.corpus-date-options { position: absolute; right: 0; top: calc(100% + 6px); z-index: 20; width: min(270px, 80vw); padding: 10px; background: var(--surface-strong); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); max-height: 60vh; overflow: auto; display: grid; gap: 6px; }
.corpus-date-options button { padding: 9px; background: var(--surface); color: var(--ink); border: 0; border-radius: 6px; text-align: left; cursor: pointer; }
.corpus-date-options label { display: grid; gap: 4px; font-size: 12px; }
.corpus-date-options input { width: 100%; min-width: 0; box-sizing: border-box; }
.corpus-topic-filter { display: flex; gap: 8px; align-items: center; margin: 10px 0; font-size: 13px; }
.corpus-topic-filter select { min-width: 0; max-width: 80%; padding: 8px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); }
.library-date-control { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 8px 0 12px; font-size: 12px; color: var(--ink-soft); }
.today-new-learning .learning-summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; align-items: start; }
.today-new-learning .learning-summary-card { min-height: 0; padding: 12px; gap: 7px; }
.learning-summary-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px 10px; min-width: 0; }
.today-new-learning .learning-summary-title strong { font-size: 22px; font-family: inherit; }
.learning-summary-header .text-action { margin: 0; padding: 4px 0; font-size: 12px; white-space: nowrap; }
.today-new-learning .learning-summary-chips { display: grid; gap: 5px; min-width: 0; }
.today-new-learning .learning-summary-chips span { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; min-width: 0; white-space: normal; overflow-wrap: anywhere; overflow: hidden; padding: 0; font-size: 12px; line-height: 1.5; }
@media (max-width: 600px) { .today-new-learning .learning-summary-grid { grid-template-columns: minmax(0, 1fr); } }
.date-preset-buttons { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 6px; margin: 10px 0 16px; }
.date-preset-buttons .button { min-width: 0; padding: 8px 4px; font-size: 13px; }
.date-preset-buttons [aria-pressed="true"] { background: var(--green-soft); border-color: var(--green); }
.topic-tile-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.topic-tile { display: grid; grid-template-columns: 32px minmax(0,1fr) 44px; gap: 8px; align-items: center; width: 100%; min-width: 0; min-height: 56px; padding: 9px 10px; border: 0; border-radius: 12px; background: var(--surface-strong); color: var(--ink); text-align: left; font: inherit; cursor: pointer; box-shadow: 0 2px 7px #263b3210; }
.topic-tile:hover { background: var(--surface); }
.topic-tile:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.topic-tile-icon { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; }
.topic-tile-icon svg { width: 22px; height: 22px; }
.topic-tile-icon.peach { background: var(--coral-soft); color: var(--coral); }
.topic-tile-icon.green { background: var(--green-soft); color: var(--green); }
.topic-tile-icon.pink { background: var(--ochre-soft); color: var(--ochre); }
.topic-tile-icon.blue { background: var(--blue-soft); color: var(--blue); }
.topic-tile strong { font-size: 14px; font-weight: 650; overflow-wrap: anywhere; }
.topic-tile-count { display: grid; justify-items: center; gap: 2px; border-left: 1px solid var(--line); padding-left: 9px; }
.topic-tile-count b { font-size: 14px; }
.topic-tile-count small { font-size: 10px; color: var(--ink-soft); }
.topic-tile-arrow { display: none; }
@media (max-width: 540px) {
  #view-upgrades .topic-tile-list { grid-template-columns: minmax(0,1fr); }
}
#view-upgrades .corpus-simple-toolbar { grid-template-columns: minmax(0, 1fr) auto auto; gap: 6px; }
#view-upgrades .corpus-simple-toolbar .library-search { grid-column: auto; min-width: 0; }
#view-upgrades .corpus-simple-toolbar .library-search input { height: 42px; min-height: 42px; padding: 8px; }
#view-upgrades .corpus-simple-toolbar .segmented { height: 42px; box-sizing: border-box; }
#view-upgrades .corpus-simple-toolbar .segmented button { padding: 4px 8px; font-size: 13px; }
#view-upgrades .corpus-simple-toolbar > .error-date-button { height: 42px; min-height: 42px; padding: 0 8px; margin: 0; font-size: 13px; white-space: nowrap; }
@media (max-width: 480px) {
  #view-upgrades .corpus-simple-toolbar { padding: 8px; gap: 4px; }
  #view-upgrades .corpus-simple-toolbar .segmented button { padding: 4px 5px; font-size: 12px; }
  #view-upgrades .corpus-simple-toolbar > .error-date-button { padding: 0 6px; font-size: 12px; }
}
#view-errors .error-toolbar { grid-template-columns: minmax(0, 1fr) auto auto; gap: 6px; }
#view-errors .error-toolbar .error-date-button { height: 42px; min-height: 42px; margin: 0; padding: 0 10px; border-radius: 12px; font-size: 13px; white-space: nowrap; }
@media (max-width: 480px) {
  #view-errors .error-toolbar input { padding: 8px; }
  #view-errors .error-filter-menu > summary { padding: 0 8px; gap: 3px; }
  #view-errors .error-toolbar .error-date-button { padding: 0 8px; }
}
.role-opening-heading strong { font-size: 15px; overflow-wrap: anywhere; }
.role-opening-heading .button { flex-shrink: 0; }
.role-opening-context { margin: 8px 0; line-height: 1.65; overflow-wrap: anywhere; }
.role-opening .field-hint { margin: 0; font-size: 12px; line-height: 1.6; }
.role-copy-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.role-copy-actions .button { width: 100%; min-width: 0; }
.role-scene-select { justify-content: space-between; min-width: 0; overflow-wrap: anywhere; }
.role-picker-results { max-height: min(60vh, 580px); overflow-y: auto; padding: 4px 2px; }
.role-category-grid, .role-choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; }
.role-category-list { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.role-category-list [aria-pressed="true"] { background: var(--green-soft); border-color: var(--green); }
.role-choice { flex-direction: column; align-items: flex-start; text-align: left; min-width: 0; white-space: normal; overflow-wrap: anywhere; border-radius: 10px; }
.role-choice span { color: var(--ink-soft); font-size: 12px; font-weight: 400; }
.role-opening-options { display: grid; gap: 8px; margin-top: 12px; max-height: 55vh; overflow-y: auto; }
@media (max-width: 400px) {
  .role-choice-grid { grid-template-columns: 1fr; }
}
.role-practice-card .prompt-helper { margin-top: 12px; border-radius: 10px; }
.role-scene-controls select:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
@media (max-width: 480px) {
  .role-scene-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .role-scene-controls > .button { width: 100%; }
  .role-copy-actions { grid-template-columns: 1fr; gap: 8px; }
}