:root {
  --bg: #f2f4f1;
  --surface: #ffffff;
  --surface-2: #e9ece8;
  --surface-3: #dde1dc;
  --ink: #202321;
  --ink-soft: #626964;
  --ink-faint: #929994;
  --line: #d8ddd8;
  --sidebar: #202321;
  --sidebar-soft: #303532;
  --coral: #ee684f;
  --coral-dark: #ca4f3b;
  --coral-soft: #fde8e3;
  --green: #2e8765;
  --green-soft: #dff1e8;
  --blue: #3975ad;
  --blue-soft: #e2edf7;
  --amber: #d39735;
  --amber-soft: #f8edcf;
  --lime: #d9e66e;
  --danger: #b83e38;
  --shadow: 0 12px 36px rgba(24, 29, 26, 0.08);
  --shadow-small: 0 5px 16px rgba(24, 29, 26, 0.08);
  --sidebar-width: 230px;
  --radius: 6px;
  color-scheme: light;
}

body.dark-theme {
  --bg: #151816;
  --surface: #1e221f;
  --surface-2: #282d29;
  --surface-3: #343a35;
  --ink: #f2f5f2;
  --ink-soft: #aab2ac;
  --ink-faint: #7d867f;
  --line: #343b36;
  --sidebar: #0f1210;
  --sidebar-soft: #242925;
  --coral-soft: #3b2724;
  --green-soft: #1e362c;
  --blue-soft: #1d3041;
  --amber-soft: #3c3320;
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.22);
  --shadow-small: 0 5px 18px rgba(0, 0, 0, 0.24);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "SF Pro Text", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: 0;
  transition: background-color 180ms ease, color 180ms ease;
}

button,
input,
select {
  font: inherit;
  letter-spacing: 0;
}

button {
  color: inherit;
}

button,
a,
input,
select,
.flashcard {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
.flashcard:focus-visible {
  outline: 3px solid rgba(57, 117, 173, 0.3);
  outline-offset: 2px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.9;
  flex: 0 0 auto;
}

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

h1,
h2,
h3,
strong {
  font-weight: 700;
}

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

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  width: var(--sidebar-width);
  padding: 28px 18px 22px;
  display: flex;
  flex-direction: column;
  background: var(--sidebar);
  color: #eef3ef;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: inherit;
  text-decoration: none;
  padding: 0 10px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 40px;
  border-radius: 5px;
  background: var(--coral);
  color: #fff;
  font-family: "STKaiti", "KaiTi", serif;
  font-size: 23px;
  font-weight: 700;
}

.brand-copy {
  min-width: 0;
  display: grid;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 20px;
}

.brand-copy small {
  margin-top: 5px;
  color: #8f9992;
  font-size: 9px;
  font-weight: 700;
}

.main-nav {
  display: grid;
  gap: 7px;
  margin-top: 52px;
}

.nav-item {
  position: relative;
  width: 100%;
  height: 48px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 13px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: #9fa8a2;
  cursor: pointer;
  font-weight: 600;
  text-align: left;
  transition: background-color 160ms ease, color 160ms ease;
}

.nav-item:hover {
  background: var(--sidebar-soft);
  color: #fff;
}

.nav-item.active {
  background: #f1f4f1;
  color: #202321;
}

.nav-item.active::before {
  content: "";
  position: absolute;
  left: -18px;
  width: 4px;
  height: 22px;
  border-radius: 0 3px 3px 0;
  background: var(--coral);
}

.nav-badge {
  margin-left: auto;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--coral);
  color: #fff;
  font-size: 11px;
}

.nav-item.active .nav-badge {
  color: #fff;
}

.sidebar-foot {
  margin-top: auto;
  padding: 18px 7px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #373c39;
}

.streak-mini {
  display: flex;
  align-items: center;
  gap: 10px;
}

.streak-mini > span:last-child {
  display: grid;
  line-height: 1.25;
}

.streak-mini strong {
  font-size: 13px;
}

.streak-mini small {
  color: #828d85;
  font-size: 10px;
}

.streak-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(238, 104, 79, 0.16);
  color: #ff8069;
}

.theme-toggle {
  color: #89938d;
}

.app-frame {
  min-height: 100vh;
  margin-left: var(--sidebar-width);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 70px;
  padding: 0 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(16px);
}

.mobile-brand {
  display: none;
  align-items: center;
  gap: 9px;
}

.mobile-brand .brand-mark {
  width: 33px;
  height: 33px;
  flex-basis: 33px;
  font-size: 18px;
}

.topbar-date {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 12px;
}

.topbar-date strong {
  color: var(--ink);
}

.date-divider {
  width: 1px;
  height: 14px;
  background: var(--line);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button {
  width: 38px;
  height: 38px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.icon-button:hover {
  border-color: var(--ink-faint);
  background: var(--surface-2);
}

.icon-button:active {
  transform: scale(0.96);
}

.avatar-button {
  position: relative;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.online-dot {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 10px;
  height: 10px;
  border: 2px solid var(--bg);
  border-radius: 50%;
  background: #51aa7f;
}

.account-button {
  position: relative;
  min-width: 124px;
  height: 42px;
  padding: 4px 10px 4px 5px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  cursor: pointer;
  text-align: left;
  transition: background-color 150ms ease, border-color 150ms ease;
}

.account-button:hover {
  border-color: var(--ink-faint);
  background: var(--surface-2);
}

.account-avatar {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
}

.account-avatar svg {
  width: 15px;
  height: 15px;
}

.account-button-copy {
  min-width: 0;
  display: grid;
  line-height: 1.2;
}

.account-button-copy strong,
.account-button-copy small {
  max-width: 70px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-button-copy strong {
  font-size: 10px;
}

.account-button-copy small {
  margin-top: 2px;
  color: var(--ink-faint);
  font-size: 8px;
}

.account-status-dot {
  position: absolute;
  right: 6px;
  top: 6px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--surface);
  border-radius: 50%;
  background: var(--ink-faint);
}

.account-status-dot.synced { background: #51aa7f; }
.account-status-dot.syncing { background: var(--amber); }
.account-status-dot.offline { background: var(--coral); }
.account-status-dot.signed-out { background: var(--ink-faint); }

.content {
  width: min(100%, 1500px);
  min-height: calc(100vh - 70px);
  margin: 0 auto;
  padding: 38px 42px 64px;
}

.view {
  display: none;
  animation: viewIn 260ms ease both;
}

.view.active {
  display: block;
}

@keyframes viewIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-heading {
  margin-bottom: 26px;
}

.heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.page-heading h1 {
  margin-bottom: 7px;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.2;
}

.compact-heading h1 {
  font-size: 32px;
}

.heading-sub {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.eyebrow {
  margin-bottom: 7px;
  color: var(--coral-dark);
  font-size: 10px;
  font-weight: 800;
}

.primary-button,
.secondary-button,
.danger-button {
  min-height: 42px;
  padding: 0 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.primary-button {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.primary-button:hover {
  transform: translateY(-1px);
  background: #363b38;
}

.secondary-button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.secondary-button:hover {
  border-color: var(--ink-faint);
  background: var(--surface-2);
}

.danger-button {
  border: 1px solid var(--danger);
  background: var(--danger);
  color: #fff;
}

.full-button {
  width: 100%;
}

.text-button {
  padding: 4px 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  background: none;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.text-button:hover {
  color: var(--ink);
}

.text-button svg {
  width: 14px;
  height: 14px;
}

.focus-band {
  position: relative;
  min-height: 248px;
  padding: 36px 42px;
  display: grid;
  grid-template-columns: 1.25fr 1fr auto;
  align-items: center;
  gap: 32px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #253a35;
  color: #f7fbf8;
  box-shadow: var(--shadow);
}

.focus-band::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 5px;
  background: var(--lime);
}

.focus-copy {
  position: relative;
  z-index: 2;
}

.focus-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #aabbb4;
  font-size: 10px;
  font-weight: 700;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 5px rgba(217, 230, 110, 0.11);
}

.focus-copy h2 {
  margin: 15px 0 7px;
  font-size: 29px;
}

.focus-copy p {
  margin-bottom: 24px;
  color: #b3c3bd;
}

.light-button {
  border-color: #f4f7f4;
  background: #f4f7f4;
  color: #202321;
}

.light-button:hover {
  background: #fff;
  color: #202321;
}

.focus-art {
  position: relative;
  width: 230px;
  height: 176px;
  margin: auto;
}

.headphone-visual {
  position: absolute;
  inset: 40px 60px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: #ee684f;
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.18);
}

.headphone-visual svg {
  width: 48px;
  height: 48px;
  stroke-width: 1.4;
}

.sound-orbit {
  position: absolute;
  border: 1px solid rgba(217, 230, 110, 0.28);
  border-radius: 50%;
}

.orbit-one {
  inset: 17px 35px;
  animation: orbitPulse 3.2s ease-in-out infinite;
}

.orbit-two {
  inset: 0 17px;
  animation: orbitPulse 3.2s 0.8s ease-in-out infinite;
}

@keyframes orbitPulse {
  50% { opacity: 0.35; transform: scale(0.96); }
}

.pulse-line {
  position: absolute;
  bottom: 31px;
  width: 3px;
  border-radius: 3px;
  background: #fff;
  animation: equalize 900ms ease-in-out infinite alternate;
}

.p1 { left: 43px; height: 13px; }
.p2 { left: 51px; height: 20px; animation-delay: 160ms; }
.p3 { left: 59px; height: 9px; animation-delay: 320ms; }

@keyframes equalize {
  to { height: 5px; }
}

.focus-progress {
  padding-left: 36px;
  border-left: 1px solid rgba(255, 255, 255, 0.13);
}

.progress-ring {
  --ring-size: 132px;
  width: var(--ring-size);
  height: var(--ring-size);
  padding: 9px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--lime) calc(var(--progress) * 1%), rgba(255,255,255,0.13) 0);
}

.progress-ring > div {
  width: 100%;
  height: 100%;
  display: grid;
  place-content: center;
  text-align: center;
  border-radius: 50%;
  background: #253a35;
}

.progress-ring strong {
  display: block;
  font-size: 26px;
  line-height: 1.1;
}

.progress-ring small {
  color: #aabbb4;
  font-size: 10px;
}

.dashboard-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
}

.panel {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.panel-heading h2 {
  margin-bottom: 0;
  font-size: 18px;
}

.panel-meta {
  color: var(--ink-soft);
  font-size: 11px;
}

.task-list {
  margin-top: 19px;
  display: grid;
}

.task-row {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--line);
}

.task-row:first-child {
  border-top: 0;
}

.task-check {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: transparent;
}

.task-check svg {
  width: 14px;
  height: 14px;
}

.task-row.completed .task-check {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}

.task-row.completed .task-name strong {
  color: var(--ink-soft);
  text-decoration: line-through;
}

.task-name {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.task-name strong {
  font-size: 14px;
}

.task-name small {
  color: var(--ink-soft);
  font-size: 11px;
}

.task-start {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.task-start:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.task-start svg {
  width: 15px;
  height: 15px;
}

.status-pill {
  min-height: 26px;
  padding: 0 9px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 13px;
  font-size: 10px;
  font-weight: 700;
}

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

.status-pill svg {
  width: 13px;
  height: 13px;
}

.week-chart {
  height: 120px;
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  align-items: end;
  gap: 9px;
}

.week-column {
  height: 100%;
  min-width: 0;
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: end;
  gap: 7px;
  text-align: center;
}

.week-bar-track {
  position: relative;
  width: 100%;
  height: 92px;
  overflow: hidden;
  border-radius: 3px;
  background: var(--surface-2);
}

.week-bar {
  position: absolute;
  inset: auto 0 0;
  min-height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--green);
}

.week-column.today .week-bar {
  background: var(--coral);
}

.week-column label {
  color: var(--ink-faint);
  font-size: 9px;
}

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

.week-summary {
  margin-top: 18px;
  padding-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.week-summary > span {
  display: grid;
  text-align: center;
  border-left: 1px solid var(--line);
}

.week-summary > span:first-child {
  border-left: 0;
}

.week-summary strong {
  font-size: 17px;
}

.week-summary small {
  color: var(--ink-faint);
  font-size: 9px;
}

.mastery-main {
  margin: 23px 0 21px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mastery-number strong {
  font-size: 34px;
}

.mastery-number > span {
  margin-left: 6px;
  color: var(--ink-faint);
  font-size: 12px;
}

.mastery-number small {
  display: block;
  margin-top: 3px;
  color: var(--ink-soft);
}

.mini-donut {
  width: 76px;
  height: 76px;
  padding: 7px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--coral) calc(var(--progress) * 1%), var(--surface-2) 0);
}

.mini-donut span {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface);
  font-size: 12px;
  font-weight: 800;
}

.level-bars {
  display: grid;
  gap: 12px;
}

.level-row {
  display: grid;
  grid-template-columns: 66px 1fr 38px;
  align-items: center;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 10px;
}

.level-track {
  height: 6px;
  overflow: hidden;
  border-radius: 3px;
  background: var(--surface-2);
}

.level-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
}

.level-row:nth-child(1) .level-track span { background: var(--coral); }
.level-row:nth-child(2) .level-track span { background: var(--amber); }
.level-row:nth-child(3) .level-track span { background: var(--green); }
.level-row b { text-align: right; color: var(--ink); }

.quote-panel {
  position: relative;
  overflow: hidden;
  background: var(--amber-soft);
  border-color: transparent;
}

.quote-mark {
  position: absolute;
  top: -22px;
  right: 16px;
  color: rgba(211, 151, 53, 0.18);
  font-family: Georgia, serif;
  font-size: 130px;
  line-height: 1;
}

.quote-panel blockquote {
  position: relative;
  max-width: 520px;
  margin: 9px 0 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  line-height: 1.45;
}

.quote-panel p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.quote-panel .icon-button {
  position: absolute;
  right: 22px;
  bottom: 20px;
  border: 0;
  background: rgba(255, 255, 255, 0.5);
}

.segmented-control {
  padding: 4px;
  display: flex;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-2);
}

.segmented-control button {
  min-width: 70px;
  height: 34px;
  padding: 0 14px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.segmented-control button.active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-small);
}

.vocab-tab {
  display: none;
}

.vocab-tab.active {
  display: block;
  animation: viewIn 200ms ease both;
}

.study-layout,
.quiz-layout,
.listening-layout,
.plan-layout {
  display: grid;
  gap: 22px;
}

.study-layout {
  grid-template-columns: 260px minmax(0, 1fr);
}

.study-queue,
.quiz-sidebar,
.listening-library,
.settings-panel {
  align-self: start;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.queue-heading,
.library-title {
  padding: 0 4px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.queue-heading strong {
  min-width: 26px;
  height: 22px;
  padding: 0 6px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--surface-2);
  font-size: 10px;
}

.queue-option {
  width: 100%;
  min-height: 66px;
  padding: 8px 5px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.queue-option:hover,
.queue-option.active {
  color: var(--coral-dark);
}

.queue-option > span:nth-child(2) {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.queue-option strong {
  color: var(--ink);
  font-size: 12px;
}

.queue-option small {
  color: var(--ink-faint);
  font-size: 9px;
}

.queue-option > b {
  min-width: 22px;
  text-align: right;
  color: var(--ink-soft);
  font-size: 10px;
}

.queue-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 5px;
}

.queue-icon svg {
  width: 16px;
  height: 16px;
}

.queue-icon.coral { background: var(--coral-soft); color: var(--coral); }
.queue-icon.amber { background: var(--amber-soft); color: var(--amber); }
.queue-icon.blue { background: var(--blue-soft); color: var(--blue); }
.queue-icon.green { background: var(--green-soft); color: var(--green); }

.flashcard-stage {
  min-width: 0;
  display: grid;
  justify-items: center;
  align-content: start;
}

.study-progress-row,
.quiz-top {
  width: min(100%, 760px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  color: var(--ink-soft);
  font-size: 11px;
}

.study-progress-row .icon-button {
  width: 32px;
  height: 32px;
}

.thin-progress {
  height: 5px;
  overflow: hidden;
  border-radius: 3px;
  background: var(--surface-3);
}

.thin-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--coral);
  transition: width 220ms ease;
}

.flashcard {
  position: relative;
  width: min(100%, 760px);
  height: 386px;
  margin-top: 18px;
  perspective: 1200px;
  cursor: pointer;
}

.card-front,
.card-back {
  position: absolute;
  inset: 0;
  padding: 25px 30px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backface-visibility: hidden;
  transition: transform 420ms cubic-bezier(.2,.7,.2,1);
}

.card-back {
  transform: rotateY(180deg);
}

.flashcard.flipped .card-front {
  transform: rotateY(-180deg);
}

.flashcard.flipped .card-back {
  transform: rotateY(0deg);
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.word-level {
  min-height: 24px;
  padding: 0 9px;
  display: inline-flex;
  align-items: center;
  border-radius: 12px;
  background: var(--coral-soft);
  color: var(--coral-dark);
  font-size: 9px;
  font-weight: 800;
}

.bookmark-button {
  width: 36px;
  height: 36px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--ink-faint);
  cursor: pointer;
}

.bookmark-button:hover {
  background: var(--surface-2);
}

.bookmark-button.active {
  color: var(--coral);
}

.bookmark-button.active svg {
  fill: currentColor;
}

.word-content {
  margin: auto;
  display: grid;
  justify-items: center;
  text-align: center;
}

.sound-button {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  cursor: pointer;
}

.sound-button.small {
  width: 36px;
  height: 36px;
}

.sound-button:hover {
  transform: scale(1.04);
}

.word-content h2,
.meaning-word h2,
.quiz-word-line h2 {
  margin: 15px 0 5px;
  overflow-wrap: anywhere;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 5vw, 53px);
  line-height: 1.1;
}

.word-content p {
  color: var(--ink-faint);
  font-size: 12px;
}

.flip-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: var(--ink-faint);
  font-size: 10px;
}

.flip-hint svg {
  width: 13px;
  height: 13px;
}

.meaning-content {
  width: min(100%, 600px);
  margin: auto;
}

.meaning-word {
  display: flex;
  align-items: center;
  gap: 12px;
}

.meaning-word h2 {
  margin: 0;
  font-size: 35px;
}

.meaning-list {
  margin-top: 17px;
  display: grid;
  gap: 9px;
}

.meaning-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 10px;
  font-size: 14px;
}

.meaning-item span {
  color: var(--coral-dark);
  font-family: Georgia, serif;
  font-style: italic;
}

.phrase-block {
  margin-top: 19px;
  padding: 13px 15px;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 13px;
  border-left: 3px solid var(--amber);
  background: var(--amber-soft);
}

.phrase-block > span {
  grid-row: span 2;
  color: var(--ink-faint);
  font-size: 9px;
  font-weight: 700;
}

.phrase-block strong,
.phrase-block p {
  margin: 0;
  font-size: 11px;
}

.phrase-block p {
  color: var(--ink-soft);
}

.rating-area {
  width: min(100%, 760px);
  margin-top: 19px;
}

.rating-area > p {
  margin-bottom: 11px;
  color: var(--ink-soft);
  text-align: center;
  font-size: 10px;
}

.rating-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.rating-button {
  min-height: 58px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  cursor: pointer;
  text-align: left;
}

.rating-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-small);
}

.rating-button kbd {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-2);
  font-size: 10px;
}

.rating-button > span {
  display: grid;
}

.rating-button strong {
  font-size: 11px;
}

.rating-button small {
  color: var(--ink-faint);
  font-size: 9px;
}

.rating-button.forgot:hover { border-color: var(--coral); }
.rating-button.fuzzy:hover { border-color: var(--amber); }
.rating-button.know:hover { border-color: var(--green); }

.empty-state {
  width: min(100%, 760px);
  min-height: 460px;
  padding: 40px;
  place-content: center;
  justify-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}

.empty-state:not([hidden]) {
  display: grid;
}

.empty-state > span {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green);
}

.empty-state > span svg {
  width: 28px;
  height: 28px;
}

.empty-state h3 {
  margin: 20px 0 5px;
}

.empty-state p {
  color: var(--ink-soft);
}

.quiz-layout {
  grid-template-columns: 260px minmax(0, 1fr);
}

.quiz-sidebar h2 {
  margin-bottom: 18px;
  font-size: 17px;
}

.quiz-mode {
  width: 100%;
  min-height: 74px;
  margin-top: 8px;
  padding: 10px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 11px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.quiz-mode > span {
  grid-row: span 2;
  width: 35px;
  height: 35px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  background: var(--surface-2);
}

.quiz-mode strong {
  font-size: 12px;
}

.quiz-mode small {
  color: var(--ink-faint);
  font-size: 9px;
}

.quiz-mode.active {
  border-color: var(--coral);
  background: var(--coral-soft);
}

.quiz-mode.active > span {
  background: var(--coral);
  color: #fff;
}

.quiz-settings {
  margin-top: 25px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.quiz-settings label {
  margin-bottom: 14px;
  display: grid;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 10px;
}

.quiz-settings select {
  height: 39px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  color: var(--ink);
}

.quiz-stage {
  min-height: 560px;
  padding: 26px 34px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.quiz-top {
  width: 100%;
}

.quiz-top strong {
  color: var(--coral-dark);
}

.quiz-content {
  width: min(100%, 700px);
  margin: 54px auto 0;
}

.quiz-label {
  display: block;
  color: var(--ink-soft);
  text-align: center;
  font-size: 11px;
}

.quiz-word-line {
  margin: 22px 0 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
}

.quiz-word-line h2 {
  margin: 0;
  font-size: 45px;
}

.answer-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 11px;
}

.answer-option {
  min-height: 66px;
  padding: 12px 15px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 11px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.answer-option:hover {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.answer-option .option-letter {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-2);
  font-size: 10px;
  font-weight: 800;
}

.answer-option.correct {
  border-color: var(--green);
  background: var(--green-soft);
}

.answer-option.wrong {
  border-color: var(--coral);
  background: var(--coral-soft);
}

.answer-option:disabled {
  opacity: 1;
}

.dictation-speaker {
  width: 132px;
  height: 132px;
  margin: 28px auto;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 9px;
  border: 0;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  cursor: pointer;
}

.dictation-speaker svg {
  width: 36px;
  height: 36px;
}

.dictation-speaker span {
  font-size: 10px;
  font-weight: 700;
}

.dictation-input {
  max-width: 460px;
  margin: 0 auto 14px;
  display: grid;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 10px;
}

.dictation-input input {
  height: 52px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--bg);
  color: var(--ink);
  font-family: Georgia, serif;
  font-size: 22px;
  text-align: center;
}

#dictationQuiz .primary-button {
  display: flex;
  margin: 0 auto;
}

.answer-feedback {
  margin-top: auto;
  padding-top: 18px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 13px;
  border-top: 1px solid var(--line);
}

.answer-feedback > span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green);
}

.answer-feedback.wrong > span {
  background: var(--coral-soft);
  color: var(--coral);
}

.answer-feedback strong,
.answer-feedback p {
  margin: 0;
}

.answer-feedback p {
  color: var(--ink-soft);
  font-size: 11px;
}

.quiz-result {
  margin: auto;
  text-align: center;
}

.result-icon {
  width: 78px;
  height: 78px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--amber-soft);
  color: var(--amber);
}

.result-icon svg {
  width: 34px;
  height: 34px;
}

.quiz-result h2 {
  margin-bottom: 4px;
  font-size: 38px;
}

.quiz-result > p:not(.eyebrow) {
  color: var(--ink-soft);
}

.result-stats {
  min-width: 360px;
  margin: 26px 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.result-stats span {
  display: grid;
  border-left: 1px solid var(--line);
}

.result-stats span:first-child {
  border-left: 0;
}

.result-stats strong {
  font-size: 20px;
}

.result-stats small {
  color: var(--ink-faint);
  font-size: 9px;
}

.library-panel {
  min-height: 600px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.library-toolbar {
  min-height: 76px;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  border-bottom: 1px solid var(--line);
}

.search-field {
  width: min(320px, 100%);
  height: 42px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--bg);
}

.search-field svg {
  color: var(--ink-faint);
}

.search-field input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.filter-group {
  display: flex;
  gap: 6px;
}

.filter-chip {
  min-height: 32px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 10px;
}

.filter-chip.active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.library-count {
  margin-left: auto;
  color: var(--ink-faint);
  font-size: 10px;
  white-space: nowrap;
}

.word-table-head,
.word-row {
  display: grid;
  grid-template-columns: minmax(130px, .8fr) minmax(280px, 2fr) minmax(110px, .7fr) 80px;
  align-items: center;
  gap: 20px;
}

.word-table-head {
  min-height: 40px;
  padding: 0 24px;
  background: var(--surface-2);
  color: var(--ink-faint);
  font-size: 9px;
  font-weight: 700;
}

.word-row {
  min-height: 68px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--line);
}

.word-cell {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.word-cell strong {
  overflow-wrap: anywhere;
  font-family: Georgia, serif;
  font-size: 16px;
}

.word-cell button,
.word-actions button {
  width: 30px;
  height: 30px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--ink-faint);
  cursor: pointer;
}

.word-cell button:hover,
.word-actions button:hover {
  background: var(--surface-2);
  color: var(--ink);
}

.word-cell button svg,
.word-actions button svg {
  width: 15px;
  height: 15px;
}

.definition-cell {
  min-width: 0;
  overflow: hidden;
  color: var(--ink-soft);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
}

.definition-cell em {
  margin-right: 7px;
  color: var(--coral-dark);
  font-family: Georgia, serif;
}

.word-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-soft);
  font-size: 10px;
}

.word-status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-faint);
}

.word-status.learning i { background: var(--amber); }
.word-status.mastered i { background: var(--green); }
.word-actions {
  display: flex;
  justify-content: flex-end;
}

.word-actions .starred {
  color: var(--coral);
}

.word-actions .starred svg {
  fill: currentColor;
}

.load-more {
  margin: 20px auto;
  display: flex;
}

.true-test-vault {
  margin: 8px 0 28px;
  padding: 24px 0 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.true-test-vault-head,
.true-test-controls,
.true-test-detail-head,
.true-test-actions,
.true-test-document > div {
  display: flex;
  align-items: center;
}

.true-test-vault-head {
  justify-content: space-between;
  gap: 20px;
}

.true-test-vault-head .eyebrow {
  margin-bottom: 5px;
}

.true-test-vault-head h2 {
  margin: 0;
  font-size: 22px;
}

.true-test-vault-stats {
  display: flex;
  gap: 20px;
}

.true-test-vault-stats span {
  min-width: 92px;
  padding-left: 14px;
  display: grid;
  border-left: 1px solid var(--line);
}

.true-test-vault-stats strong {
  font-size: 19px;
}

.true-test-vault-stats small {
  color: var(--ink-faint);
  font-size: 9px;
}

.true-test-controls {
  min-height: 66px;
  margin-top: 18px;
  gap: 10px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.true-test-search {
  width: min(360px, 100%);
  margin: 0;
}

.select-control {
  position: relative;
  min-width: 150px;
  height: 40px;
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
}

.select-control > span {
  padding-left: 12px;
  color: var(--ink-faint);
  font-size: 9px;
  font-weight: 800;
}

.select-control select {
  min-width: 0;
  flex: 1;
  height: 100%;
  padding: 0 30px 0 8px;
  border: 0;
  outline: 0;
  appearance: none;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
}

.select-control svg {
  position: absolute;
  right: 10px;
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.check-control {
  min-height: 40px;
  padding: 0 11px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  cursor: pointer;
}

.check-control input {
  position: absolute;
  opacity: 0;
}

.check-control > span {
  width: 17px;
  height: 17px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-2);
}

.check-control input:checked + span {
  border-color: var(--green);
  background: var(--green);
  box-shadow: inset 0 0 0 4px var(--green);
}

.check-control input:checked + span::after {
  width: 7px;
  height: 4px;
  content: "";
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: translateY(-1px) rotate(-45deg);
}

.check-control b {
  white-space: nowrap;
  font-size: 10px;
}

#trueTestVisibleCount {
  margin-left: auto;
  color: var(--ink-faint);
  white-space: nowrap;
  font-size: 10px;
}

.true-test-vault-layout {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 335px minmax(0, 1fr);
  gap: 28px;
}

.true-test-list {
  max-height: 520px;
  padding-right: 8px;
  overflow-y: auto;
  scrollbar-color: var(--surface-3) transparent;
}

.true-test-item {
  width: 100%;
  min-height: 68px;
  padding: 9px 10px;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
  border-bottom-color: var(--line);
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.true-test-item:hover {
  background: var(--surface-2);
}

.true-test-item.active {
  border-color: var(--coral);
  background: var(--coral-soft);
}

.true-test-date,
.true-test-item-copy {
  min-width: 0;
  display: grid;
}

.true-test-date {
  line-height: 1.15;
}

.true-test-date strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
}

.true-test-date small,
.true-test-item-copy small,
.true-test-audio-badge {
  color: var(--ink-faint);
  font-size: 9px;
}

.true-test-item-copy > strong {
  overflow-wrap: anywhere;
  font-size: 11px;
}

.true-test-item-copy small,
.true-test-audio-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.true-test-item-copy svg,
.true-test-audio-badge svg {
  width: 11px;
  height: 11px;
}

.true-test-audio-badge {
  min-height: 23px;
  padding: 0 7px;
  border-radius: 4px;
  white-space: nowrap;
  font-weight: 700;
}

.true-test-audio-badge.available {
  background: var(--green-soft);
  color: var(--green);
}

.true-test-audio-badge.missing {
  background: var(--surface-2);
}

.true-test-detail {
  min-width: 0;
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.true-test-detail-head {
  justify-content: space-between;
  gap: 16px;
}

.true-test-detail-head > div {
  min-width: 0;
}

.true-test-detail-head h3 {
  margin: 12px 0 3px;
  overflow-wrap: anywhere;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
}

.true-test-detail-head p {
  margin: 0;
  color: var(--ink-faint);
  font-size: 10px;
}

.true-test-audio,
.true-test-no-audio {
  margin-top: 22px;
  padding: 17px;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  border-radius: 5px;
  background: #222b28;
  color: #f4f7f5;
}

.true-test-audio > div,
.true-test-no-audio {
  display: flex;
  align-items: center;
  gap: 10px;
}

.true-test-audio > div > svg,
.true-test-no-audio > svg {
  width: 28px;
  height: 28px;
  color: var(--lime);
}

.true-test-audio span,
.true-test-no-audio span {
  min-width: 0;
  display: grid;
}

.true-test-audio small,
.true-test-no-audio small {
  margin-top: 2px;
  color: #aab4ae;
  font-size: 9px;
}

.true-test-audio audio {
  width: 100%;
  min-width: 0;
  height: 40px;
}

.true-test-no-audio {
  grid-template-columns: 1fr;
  background: var(--surface-2);
  color: var(--ink);
}

.true-test-no-audio small {
  color: var(--ink-faint);
}

.true-test-actions {
  margin-top: 16px;
  flex-wrap: wrap;
  gap: 8px;
}

.true-test-actions button,
.true-test-actions a {
  min-height: 40px;
  text-decoration: none;
}

.true-test-actions button.active {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue);
}

.true-test-document {
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.true-test-document > div {
  min-height: 48px;
  justify-content: space-between;
  gap: 14px;
}

.true-test-document > div strong {
  overflow-wrap: anywhere;
  font-size: 11px;
}

.true-test-document > div a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--blue);
  text-decoration: none;
  white-space: nowrap;
  font-size: 10px;
  font-weight: 700;
}

.true-test-document > div svg {
  width: 13px;
  height: 13px;
}

#trueTestDocumentFrame {
  width: 100%;
  height: min(68vh, 660px);
  min-height: 480px;
  display: block;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface-2);
}

.listening-stats {
  display: flex;
  gap: 25px;
}

.listening-stats span {
  display: grid;
  min-width: 76px;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.listening-stats strong {
  font-size: 20px;
}

.listening-stats small {
  color: var(--ink-faint);
  font-size: 9px;
  white-space: nowrap;
}

.listening-layout {
  grid-template-columns: 285px minmax(0, 1fr);
}

.listening-library {
  padding: 12px;
}

.library-title {
  min-height: 52px;
  padding: 5px 8px 12px;
}

.library-title .icon-button {
  width: 30px;
  height: 30px;
}

.listening-set-item {
  width: 100%;
  min-height: 102px;
  margin-top: 8px;
  padding: 13px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 11px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.listening-set-item:hover {
  background: var(--surface-2);
}

.listening-set-item.active {
  border-color: var(--coral);
  background: var(--coral-soft);
}

.set-index {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 800;
}

.listening-set-item.active .set-index {
  background: var(--coral);
  color: #fff;
}

.set-copy {
  min-width: 0;
  display: grid;
  align-content: start;
}

.set-copy strong {
  overflow: hidden;
  color: var(--ink);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}

.set-copy small {
  margin-top: 4px;
  color: var(--ink-faint);
  font-size: 9px;
}

.set-meta {
  margin-top: 9px;
  display: flex;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 9px;
}

.set-meta span {
  display: flex;
  align-items: center;
  gap: 3px;
}

.set-meta svg {
  width: 11px;
  height: 11px;
}

.listening-workspace {
  min-width: 0;
  padding: 30px 36px 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.listening-meta {
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--ink-faint);
  font-size: 10px;
}

.listening-meta > span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.listening-meta svg {
  width: 12px;
  height: 12px;
}

.section-tag {
  min-height: 24px;
  padding: 0 8px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 800;
}

.listening-workspace > h2 {
  margin: 17px 0 4px;
  font-family: Georgia, serif;
  font-size: 28px;
}

.listening-workspace > p {
  color: var(--ink-soft);
  font-size: 11px;
}

.audio-player {
  margin-top: 25px;
  padding: 22px 24px 16px;
  border-radius: 5px;
  background: #222b28;
  color: #f3f7f4;
}

#waveformCanvas {
  width: 100%;
  height: 88px;
  display: block;
}

.time-row {
  margin-top: 2px;
  display: flex;
  justify-content: space-between;
  color: #9eaaa4;
  font-size: 9px;
}

.player-controls {
  position: relative;
  min-height: 52px;
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
}

.player-controls .icon-button {
  border-color: #46504b;
  color: #c8d0cb;
}

.player-controls .icon-button:hover {
  background: #34403b;
}

.play-button {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--coral);
  color: #fff;
  cursor: pointer;
}

.play-button:hover {
  background: #ff755d;
}

.speed-control {
  position: absolute;
  right: 44px;
  display: flex;
  padding: 3px;
  border: 1px solid #46504b;
  border-radius: 5px;
}

.speed-control button {
  height: 27px;
  padding: 0 7px;
  border: 0;
  border-radius: 3px;
  background: transparent;
  color: #99a69f;
  cursor: pointer;
  font-size: 9px;
}

.speed-control button.active {
  background: #e9eeea;
  color: #202321;
}

#volumeBtn {
  position: absolute;
  right: 0;
}

.question-area,
.transcript-area {
  margin-top: 34px;
}

.section-heading-line {
  min-height: 45px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.section-heading-line > div {
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-heading-line h3 {
  margin: 0;
  font-size: 15px;
}

.section-heading-line > span {
  color: var(--ink-faint);
  font-size: 9px;
}

.step-number {
  color: var(--coral);
  font-family: Georgia, serif;
  font-size: 15px;
  font-weight: 800;
}

.listening-question {
  padding: 23px 0;
  border-bottom: 1px solid var(--line);
}

.listening-question > p {
  margin-bottom: 14px;
  font-family: Georgia, serif;
  font-size: 15px;
  font-weight: 700;
}

.listening-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 9px;
}

.listening-option {
  min-height: 48px;
  padding: 9px 12px;
  display: flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 5px;
  cursor: pointer;
  font-size: 11px;
}

.listening-option input {
  position: absolute;
  opacity: 0;
}

.radio-mark {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  flex: 0 0 25px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 9px;
  font-weight: 800;
}

.listening-option:has(input:checked) {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.listening-option:has(input:checked) .radio-mark {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.listening-option.correct {
  border-color: var(--green);
  background: var(--green-soft);
}

.listening-option.wrong {
  border-color: var(--coral);
  background: var(--coral-soft);
}

.question-explanation {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--green);
  background: var(--green-soft);
  color: var(--ink-soft);
  font-size: 10px;
}

.submit-listening {
  margin: 24px 0 0 auto;
  display: flex;
}

.transcript-paragraph {
  position: relative;
  padding: 18px 44px 18px 0;
  border-bottom: 1px solid var(--line);
}

.transcript-paragraph p {
  margin: 0;
  font-family: Georgia, serif;
  font-size: 14px;
  line-height: 1.75;
}

.transcript-paragraph .translation {
  margin-top: 8px;
  color: var(--ink-soft);
  font-family: inherit;
  font-size: 11px;
}

.transcript-paragraph button {
  position: absolute;
  top: 16px;
  right: 0;
  width: 32px;
  height: 32px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--ink-soft);
  cursor: pointer;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.stat-card {
  min-width: 0;
  min-height: 128px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.stat-card > span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 42px;
  border-radius: 5px;
}

.coral-stat > span { background: var(--coral-soft); color: var(--coral); }
.green-stat > span { background: var(--green-soft); color: var(--green); }
.blue-stat > span { background: var(--blue-soft); color: var(--blue); }
.amber-stat > span { background: var(--amber-soft); color: var(--amber); }

.stat-card > div {
  min-width: 0;
  display: grid;
}

.stat-card small {
  color: var(--ink-soft);
  font-size: 10px;
}

.stat-card strong {
  margin: 2px 0;
  font-size: 25px;
}

.stat-card p {
  margin: 0;
  overflow: hidden;
  color: var(--ink-faint);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 9px;
}

.progress-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 18px;
}

.activity-panel .panel-meta {
  display: flex;
  align-items: center;
  gap: 4px;
}

.activity-panel .panel-meta svg {
  width: 13px;
  height: 13px;
  color: var(--coral);
}

.heatmap-wrap {
  margin-top: 24px;
  display: flex;
  gap: 8px;
}

.heatmap-weekdays {
  width: 14px;
  height: 116px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--ink-faint);
  font-size: 8px;
}

.heatmap {
  flex: 1;
  display: grid;
  grid-template-rows: repeat(7, 13px);
  grid-auto-flow: column;
  grid-auto-columns: minmax(8px, 1fr);
  gap: 4px;
}

.heat-cell {
  min-width: 7px;
  border-radius: 2px;
  background: var(--surface-2);
}

.heat-cell[data-level="1"],
.heatmap-legend i[data-level="1"] { background: #cde9dc; }
.heat-cell[data-level="2"],
.heatmap-legend i[data-level="2"] { background: #85c6a9; }
.heat-cell[data-level="3"],
.heatmap-legend i[data-level="3"] { background: #439475; }
.heat-cell[data-level="4"],
.heatmap-legend i[data-level="4"] { background: #236a4e; }

.heatmap-legend {
  margin-top: 15px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 5px;
  color: var(--ink-faint);
  font-size: 8px;
}

.heatmap-legend i {
  width: 11px;
  height: 11px;
  border-radius: 2px;
  background: var(--surface-2);
}

.distribution-panel {
  position: relative;
}

.distribution-chart {
  position: relative;
  width: 150px;
  height: 150px;
  margin: 20px auto 15px;
}

.distribution-donut {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: conic-gradient(var(--green) 0 0%, var(--blue) 0 0%, var(--amber) 0 0%, var(--coral) 0 0%, var(--surface-2) 0);
}

.distribution-donut::after {
  content: "";
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  background: var(--surface);
}

.distribution-center {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-content: center;
  text-align: center;
}

.distribution-center strong {
  font-size: 25px;
}

.distribution-center small {
  color: var(--ink-faint);
  font-size: 9px;
}

.distribution-legend {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.distribution-legend span {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 9px;
}

.distribution-legend i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.weak-list {
  margin-top: 15px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 24px;
}

.weak-word-row {
  min-height: 54px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--line);
}

.weak-word-row span {
  min-width: 0;
  display: grid;
}

.weak-word-row strong {
  overflow: hidden;
  font-family: Georgia, serif;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.weak-word-row small {
  overflow: hidden;
  color: var(--ink-faint);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 9px;
}

.weak-word-row b {
  color: var(--coral);
  font-size: 10px;
}

.listening-report-main {
  min-height: 110px;
  margin-top: 19px;
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  align-items: center;
  gap: 17px;
}

.headphone-stat {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
}

.headphone-stat svg {
  width: 30px;
  height: 30px;
}

.listening-report-main > div:not(.headphone-stat) {
  display: grid;
}

.listening-report-main strong {
  font-size: 25px;
}

.listening-report-main small {
  color: var(--ink-faint);
  font-size: 9px;
}

.skill-bars {
  display: grid;
  gap: 9px;
}

.skill-row {
  display: grid;
  grid-template-columns: 56px 1fr 35px;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 9px;
}

.skill-row .level-track span {
  background: var(--blue);
}

.plan-layout {
  grid-template-columns: minmax(0, 1fr) 340px;
}

.plan-main {
  min-width: 0;
}

.plan-banner {
  min-height: 210px;
  padding: 34px 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-radius: var(--radius);
  background: #263a35;
  color: #f1f6f2;
}

.plan-banner span {
  color: #a9b9b2;
  font-size: 10px;
  font-weight: 700;
}

.plan-banner > div:first-child > strong {
  margin: 8px 0;
  display: block;
  font-size: 30px;
}

.plan-banner p {
  margin: 0;
  color: #a9b9b2;
  font-size: 11px;
}

.plan-banner p b {
  color: var(--lime);
}

.calendar-visual {
  width: 116px;
  min-height: 134px;
  display: grid;
  place-content: center;
  text-align: center;
  border-radius: 5px;
  background: #f0f3ef;
  color: #202321;
  box-shadow: 10px 10px 0 var(--coral);
}

.calendar-visual span {
  color: var(--coral);
  font-size: 10px;
}

.calendar-visual strong {
  font-family: Georgia, serif;
  font-size: 51px;
  line-height: 1.1;
}

.calendar-visual small {
  color: #6d746f;
  font-size: 9px;
}

.weekly-plan-heading {
  margin: 30px 0 14px;
  display: flex;
  align-items: end;
  justify-content: space-between;
}

.weekly-plan-heading h2 {
  margin: 0;
  font-size: 19px;
}

.weekly-plan-heading > span {
  color: var(--ink-faint);
  font-size: 10px;
}

.weekly-plan {
  display: grid;
  gap: 8px;
}

.plan-day-row {
  min-height: 72px;
  padding: 10px 15px;
  display: grid;
  grid-template-columns: 75px 1fr auto;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
}

.plan-day-row.today {
  border-left: 4px solid var(--coral);
}

.plan-day-row.rest {
  opacity: 0.6;
}

.plan-day-date {
  display: grid;
}

.plan-day-date strong {
  font-size: 12px;
}

.plan-day-date small {
  color: var(--ink-faint);
  font-size: 9px;
}

.plan-day-tasks {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.plan-task-chip {
  min-height: 26px;
  padding: 0 9px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 13px;
  background: var(--surface-2);
  color: var(--ink-soft);
  font-size: 9px;
}

.plan-task-chip svg {
  width: 12px;
  height: 12px;
}

.plan-day-time {
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 700;
}

.settings-panel {
  position: sticky;
  top: 90px;
}

.settings-panel form {
  margin-top: 21px;
  display: grid;
  gap: 19px;
}

.form-field {
  display: grid;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 10px;
}

.form-field span {
  display: flex;
  justify-content: space-between;
}

.form-field span b {
  color: var(--ink);
}

.form-field input[type="date"] {
  height: 42px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--bg);
  color: var(--ink);
}

input[type="range"] {
  width: 100%;
  height: 5px;
  appearance: none;
  border-radius: 3px;
  background: var(--surface-3);
  accent-color: var(--coral);
}

input[type="range"]::-webkit-slider-thumb {
  width: 17px;
  height: 17px;
  appearance: none;
  border: 3px solid var(--surface);
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 1px var(--coral);
  cursor: pointer;
}

.study-days-field {
  display: grid;
  gap: 9px;
  color: var(--ink-soft);
  font-size: 10px;
}

#studyDayToggles {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.day-toggle {
  width: 100%;
  aspect-ratio: 1;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 9px;
}

.day-toggle.active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.toggle-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
}

.toggle-field > span {
  display: grid;
}

.toggle-field strong {
  font-size: 11px;
}

.toggle-field small {
  color: var(--ink-faint);
  font-size: 9px;
}

.toggle-field input {
  position: absolute;
  opacity: 0;
}

.toggle-field i {
  position: relative;
  width: 38px;
  height: 22px;
  flex: 0 0 38px;
  border-radius: 11px;
  background: var(--surface-3);
}

.toggle-field i::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.18);
  transition: transform 170ms ease;
}

.toggle-field input:checked + i {
  background: var(--green);
}

.toggle-field input:checked + i::after {
  transform: translateX(16px);
}

.data-actions {
  margin-top: 21px;
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
}

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

.mobile-nav {
  display: none;
}

.account-overlay,
.command-overlay,
.confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  padding: 10vh 20px 20px;
  background: rgba(17, 20, 18, 0.62);
  backdrop-filter: blur(6px);
}

.account-overlay {
  z-index: 120;
  padding-top: 7vh;
  display: grid;
  align-items: start;
}

.account-dialog {
  width: min(430px, 100%);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  box-shadow: 0 25px 70px rgba(0,0,0,.28);
}

.account-dialog-head {
  min-height: 76px;
  padding: 17px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
}

.account-dialog-head .eyebrow {
  margin-bottom: 2px;
}

.account-dialog-head h2 {
  margin: 0;
  font-size: 20px;
}

.account-checking {
  min-height: 260px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  color: var(--ink-soft);
}

.account-loading {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
}

.account-loading svg,
.sync-spinning svg {
  animation: account-spin 900ms linear infinite;
}

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

#accountSignedOut,
#accountSignedIn {
  padding: 20px;
}

.account-tabs {
  height: 42px;
  padding: 3px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface-2);
}

.account-tabs button {
  border: 0;
  border-radius: 3px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
}

.account-tabs button.active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-small);
}

.account-form {
  margin-top: 19px;
  display: grid;
  gap: 14px;
}

.account-form > label {
  display: grid;
  gap: 6px;
}

.account-form > label > span:first-child {
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 700;
}

.account-form input {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  outline: 0;
  background: var(--surface);
  color: var(--ink);
}

.account-form input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 16%, transparent);
}

.password-field {
  position: relative;
  display: block;
}

.password-field input {
  padding-right: 44px;
}

.password-field button {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--ink-faint);
  cursor: pointer;
}

.password-field button:hover {
  background: var(--surface-2);
  color: var(--ink);
}

.password-field svg {
  width: 16px;
  height: 16px;
}

.account-form-note {
  margin: -3px 0 0;
  color: var(--ink-faint);
  font-size: 9px;
  line-height: 1.6;
  text-align: center;
}

.account-error {
  margin: 14px 0 0;
  padding: 9px 11px;
  border-left: 3px solid var(--coral);
  background: var(--coral-soft);
  color: var(--danger);
  font-size: 10px;
}

.account-profile {
  padding-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 13px;
  border-bottom: 1px solid var(--line);
}

.account-profile-avatar {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
}

.account-profile > div {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.account-profile small {
  color: var(--ink-faint);
  font-size: 9px;
}

.account-profile strong {
  overflow-wrap: anywhere;
  font-size: 17px;
}

.account-profile span:last-child {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--green);
  font-size: 9px;
}

.account-profile span:last-child svg {
  width: 13px;
  height: 13px;
}

.account-sync-details {
  margin: 17px 0;
}

.account-sync-details div {
  min-height: 39px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
}

.account-sync-details dt {
  color: var(--ink-faint);
  font-size: 9px;
}

.account-sync-details dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: 10px;
  text-align: right;
}

.account-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

#accountSignedIn > .account-form-note {
  margin-top: 13px;
}

.command-dialog {
  width: min(620px, 100%);
  margin: 0 auto;
  overflow: hidden;
  border-radius: 7px;
  background: var(--surface);
  box-shadow: 0 25px 70px rgba(0,0,0,.28);
}

.command-search {
  min-height: 66px;
  padding: 0 17px;
  display: flex;
  align-items: center;
  gap: 11px;
  border-bottom: 1px solid var(--line);
}

.command-search > svg {
  color: var(--ink-faint);
}

.command-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 16px;
}

.key-button {
  height: 25px;
  padding: 0 7px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-2);
  color: var(--ink-faint);
  cursor: pointer;
  font-size: 8px;
}

.command-body {
  min-height: 220px;
  max-height: 60vh;
  overflow: auto;
  padding: 14px;
}

.command-body > p {
  margin: 2px 8px 8px;
  color: var(--ink-faint);
  font-size: 9px;
  font-weight: 700;
}

.command-result {
  width: 100%;
  min-height: 55px;
  padding: 8px 10px;
  display: grid;
  grid-template-columns: 120px 1fr auto;
  align-items: center;
  gap: 12px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.command-result:hover {
  background: var(--surface-2);
}

.command-result strong {
  overflow-wrap: anywhere;
  font-family: Georgia, serif;
}

.command-result span {
  overflow: hidden;
  color: var(--ink-soft);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 10px;
}

.command-result svg {
  width: 14px;
  height: 14px;
  color: var(--ink-faint);
}

.command-empty {
  min-height: 180px;
  display: grid;
  place-items: center;
  color: var(--ink-faint);
  text-align: center;
}

.confirm-overlay {
  display: grid;
  place-items: center;
  padding-top: 20px;
}

.confirm-dialog {
  width: min(390px, 100%);
  padding: 30px;
  border-radius: 7px;
  background: var(--surface);
  text-align: center;
  box-shadow: 0 25px 70px rgba(0,0,0,.28);
}

.confirm-icon {
  width: 58px;
  height: 58px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--coral-soft);
  color: var(--coral);
}

.confirm-icon svg {
  width: 25px;
  height: 25px;
}

.confirm-dialog h2 {
  margin-bottom: 7px;
  font-size: 20px;
}

.confirm-dialog p {
  color: var(--ink-soft);
  font-size: 11px;
}

.confirm-dialog > div {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 130;
  min-height: 46px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 9px;
  border-radius: 5px;
  background: #202321;
  color: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast svg {
  width: 16px;
  height: 16px;
  color: var(--lime);
}

.word-book-profile {
  margin: -4px -4px 14px;
  padding: 12px;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 10px;
  border-left: 3px solid var(--green);
  background: var(--green-soft);
}

.word-book-profile > span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: var(--surface);
  color: var(--green);
}

.word-book-profile > span svg {
  width: 17px;
  height: 17px;
}

.word-book-profile div {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.word-book-profile small,
.word-book-profile p {
  margin: 0;
  color: var(--ink-faint);
  font-size: 9px;
}

.word-book-profile strong {
  overflow-wrap: anywhere;
  font-size: 12px;
}

.vocab-heading-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.active-book-switcher {
  width: min(290px, 34vw);
  min-height: 54px;
  padding: 8px 10px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  box-shadow: var(--shadow-small);
}

.active-book-switcher:hover {
  border-color: var(--green);
}

.active-book-switcher > span:first-child {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: var(--green-soft);
  color: var(--green);
}

.active-book-switcher > span:nth-child(2) {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.active-book-switcher small,
.active-book-switcher em {
  overflow: hidden;
  color: var(--ink-faint);
  font-size: 8px;
  font-style: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.active-book-switcher strong {
  overflow: hidden;
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.active-book-switcher svg {
  width: 15px;
  height: 15px;
}

.active-book-switcher > svg {
  color: var(--ink-faint);
}

.wordbook-overlay {
  position: fixed;
  inset: 0;
  z-index: 115;
  padding: 7vh 20px 20px;
  overflow-y: auto;
  background: rgba(17, 20, 18, 0.62);
  backdrop-filter: blur(6px);
}

.wordbook-dialog {
  width: min(860px, 100%);
  max-height: 86vh;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border-radius: 7px;
  background: var(--surface);
  box-shadow: 0 25px 70px rgba(0,0,0,.28);
}

.wordbook-dialog-head {
  min-height: 86px;
  padding: 18px 21px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.wordbook-dialog-head > div {
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  gap: 0 10px;
}

.wordbook-dialog-head .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 2px;
}

.wordbook-dialog-head h2 {
  font-size: 21px;
}

.wordbook-dialog-head span {
  color: var(--ink-faint);
  font-size: 10px;
}

.wordbook-shelf-grid {
  min-height: 220px;
  padding: 18px 21px;
  display: grid;
  align-content: start;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  overflow-y: auto;
  background: var(--surface-2);
}

.wordbook-card {
  min-width: 0;
  min-height: 128px;
  padding: 13px;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.wordbook-card:hover,
.wordbook-card.active {
  border-color: var(--green);
}

.wordbook-card.active {
  box-shadow: inset 3px 0 var(--green);
}

.wordbook-cover {
  width: 58px;
  height: 82px;
  padding: 9px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  border-radius: 4px;
  background: #203b35;
  color: #fff;
}

.wordbook-cover svg {
  width: 22px;
  height: 22px;
  color: var(--lime);
}

.wordbook-cover small {
  font-size: 8px;
}

.wordbook-card-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.wordbook-card-copy > small,
.wordbook-card-copy > span,
.wordbook-card-copy > em {
  overflow: hidden;
  color: var(--ink-faint);
  font-size: 9px;
  font-style: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wordbook-card-copy strong {
  overflow-wrap: anywhere;
  font-size: 13px;
}

.wordbook-card-copy > i {
  height: 4px;
  overflow: hidden;
  border-radius: 2px;
  background: var(--line);
}

.wordbook-card-copy > i > b {
  height: 100%;
  display: block;
  background: var(--green);
}

.wordbook-card-action {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--green);
  font-size: 9px;
  font-weight: 800;
  white-space: nowrap;
}

.wordbook-card-action svg {
  width: 13px;
  height: 13px;
}

.wordbook-dialog-foot {
  min-height: 72px;
  padding: 13px 21px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
}

.wordbook-dialog-foot p {
  max-width: 560px;
  margin: 0;
  color: var(--ink-faint);
  font-size: 9px;
}

.wordbook-dialog-foot .primary-button {
  flex: 0 0 auto;
}

.learning-pipeline {
  width: min(100%, 760px);
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 6px;
}

.learning-pipeline > svg {
  width: 13px;
  height: 13px;
  color: var(--ink-faint);
}

.pipeline-step {
  min-width: 0;
  min-height: 58px;
  padding: 8px 9px;
  display: grid;
  grid-template-columns: 29px minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  color: var(--ink-soft);
}

.pipeline-step > span {
  width: 29px;
  height: 29px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: var(--surface-2);
}

.pipeline-step > span svg {
  width: 14px;
  height: 14px;
}

.pipeline-step > div {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.pipeline-step small {
  color: var(--ink-faint);
  font-size: 8px;
}

.pipeline-step strong {
  overflow-wrap: anywhere;
  font-size: 10px;
}

.pipeline-step > b {
  font-size: 9px;
}

.pipeline-step.active {
  border-color: var(--coral);
  background: var(--coral-soft);
  color: var(--coral-dark);
}

.pipeline-step.active > span {
  background: var(--coral);
  color: #fff;
}

.pipeline-step.complete-step > span {
  background: var(--green-soft);
  color: var(--green);
}

.pipeline-step.skipped {
  opacity: .48;
}

.study-mode-stage,
.daily-study-panel,
.study-stage-feedback {
  width: min(100%, 760px);
}

.study-mode-stage {
  display: grid;
  justify-items: stretch;
}

.daily-study-panel {
  min-height: 500px;
  margin-top: 18px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.daily-stage-kicker {
  align-self: center;
  padding: 4px 9px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 9px;
  font-weight: 800;
}

.study-word-line {
  margin: 24px 0 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
}

.study-word-line h2 {
  margin: 0 0 5px;
  overflow-wrap: anywhere;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 43px;
  line-height: 1.08;
}

.dictation-study-panel .dictation-input {
  width: min(100%, 460px);
}

.dictation-meaning-prompt {
  width: min(100%, 520px);
  min-height: 108px;
  margin: 30px auto 14px;
  padding: 18px 22px;
  display: grid;
  place-content: center;
  gap: 8px;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
  text-align: center;
}

.dictation-meaning-prompt small {
  color: var(--ink-faint);
  font-size: 9px;
  font-weight: 800;
}

.dictation-meaning-prompt strong {
  overflow-wrap: anywhere;
  font-size: 18px;
  line-height: 1.5;
}

.dictation-study-panel .dictation-speaker {
  width: auto;
  height: 38px;
  margin: 0 auto 24px;
  padding: 0 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
}

.dictation-study-panel .dictation-speaker svg {
  width: 17px;
  height: 17px;
}

.dictation-study-panel .dictation-input b {
  color: var(--blue);
}

.dictation-study-panel > .primary-button {
  align-self: center;
}

.rating-buttons.two-options {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.study-stage-feedback {
  margin-top: 14px;
}

[hidden] {
  display: none !important;
}

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

@media (max-width: 1160px) {
  :root { --sidebar-width: 196px; }
  .content { padding-inline: 28px; }
  .topbar { padding-inline: 28px; }
  .focus-band { grid-template-columns: 1.3fr .75fr auto; padding-inline: 30px; }
  .focus-art { width: 165px; }
  .headphone-visual { inset-inline: 32px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .plan-layout { grid-template-columns: minmax(0, 1fr) 310px; }
}

@media (max-width: 900px) {
  :root { --sidebar-width: 0px; }
  .sidebar { display: none; }
  .app-frame { margin-left: 0; }
  .topbar { height: 62px; padding: 0 20px; }
  .mobile-brand { display: flex; }
  .topbar-date { display: none; }
  .content { min-height: calc(100vh - 62px); padding: 28px 20px 100px; }
  .mobile-nav {
    position: fixed;
    inset: auto 0 0;
    z-index: 50;
    height: calc(68px + env(safe-area-inset-bottom));
    padding: 7px 12px env(safe-area-inset-bottom);
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border-top: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    backdrop-filter: blur(16px);
  }
  .mobile-nav button {
    padding: 3px 0;
    display: grid;
    place-content: center;
    justify-items: center;
    gap: 3px;
    border: 0;
    background: transparent;
    color: var(--ink-faint);
    font-size: 9px;
  }
  .mobile-nav button.active { color: var(--coral); }
  .mobile-nav svg { width: 19px; height: 19px; }
  .mobile-nav .mobile-listen {
    width: 52px;
    height: 52px;
    margin: -16px auto 0;
    border-radius: 50%;
    background: var(--ink);
    color: var(--surface);
    box-shadow: 0 8px 20px rgba(20,24,21,.2);
  }
  .mobile-nav .mobile-listen.active { background: var(--coral); color: #fff; }
  .dashboard-grid,
  .progress-grid { grid-template-columns: 1fr; }
  .study-layout,
  .quiz-layout,
  .listening-layout,
  .plan-layout { grid-template-columns: 1fr; }
  .study-queue {
    display: grid;
    grid-template-columns: repeat(4, minmax(110px, 1fr));
    gap: 7px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .study-queue::-webkit-scrollbar,
  .listening-library::-webkit-scrollbar { display: none; }
  .queue-heading { display: none; }
  .queue-option { min-width: 135px; border: 1px solid var(--line); border-radius: 5px; }
  .queue-option.active { border-color: var(--coral); }
  .quiz-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .quiz-sidebar > .eyebrow,
  .quiz-sidebar > h2 { grid-column: 1 / -1; }
  .quiz-settings { grid-column: 1 / -1; }
  .listening-library { overflow-x: auto; scrollbar-width: none; }
  #listeningSetList { display: flex; gap: 8px; }
  .listening-set-item { min-width: 250px; }
  .settings-panel { position: static; }
}

@media (max-width: 680px) {
  .content { padding: 22px 14px 94px; }
  .topbar { padding-inline: 14px; }
  .heading-row { align-items: flex-start; }
  .page-heading h1,
  .compact-heading h1 { font-size: 26px; }
  .page-heading .secondary-button { min-width: 42px; width: 42px; padding: 0; }
  .page-heading .secondary-button span { display: none; }
  .focus-band {
    min-height: 315px;
    padding: 26px 23px;
    grid-template-columns: 1fr auto;
    grid-template-rows: 1fr auto;
    gap: 15px;
  }
  .focus-copy { grid-column: 1 / -1; }
  .focus-copy h2 { font-size: 25px; }
  .focus-art { position: absolute; top: -21px; right: -54px; width: 170px; opacity: .38; }
  .focus-progress { grid-column: 2; padding: 0; border: 0; }
  .progress-ring { --ring-size: 95px; padding: 7px; }
  .progress-ring strong { font-size: 20px; }
  .dashboard-grid { gap: 14px; margin-top: 14px; }
  .panel { padding: 19px; }
  .quote-panel blockquote { padding-right: 25px; font-size: 17px; }
  .segmented-control { width: 100%; }
  .segmented-control button { flex: 1; min-width: 0; padding: 0 10px; }
  #view-vocabulary .heading-row { flex-direction: column; gap: 15px; }
  .study-queue { padding: 9px; grid-template-columns: repeat(4, 126px); }
  .queue-option { min-height: 58px; }
  .queue-option small,
  .queue-option > b { display: none; }
  .flashcard { height: 340px; }
  .card-front,
  .card-back { padding: 20px; }
  .meaning-item { grid-template-columns: 35px 1fr; font-size: 12px; }
  .phrase-block { margin-top: 13px; }
  .rating-buttons { gap: 6px; }
  .rating-button { min-height: 55px; padding: 6px; justify-content: center; text-align: center; }
  .rating-button kbd { display: none; }
  .rating-button small { display: none; }
  .quiz-sidebar { padding: 14px; }
  .quiz-stage { min-height: 540px; padding: 21px 17px; }
  .quiz-content { margin-top: 44px; }
  .quiz-word-line h2 { font-size: 35px; }
  .answer-options { grid-template-columns: 1fr; }
  .answer-option { min-height: 54px; }
  .answer-feedback { grid-template-columns: auto 1fr; }
  .answer-feedback .primary-button { grid-column: 1 / -1; width: 100%; }
  .result-stats { min-width: 0; width: 100%; }
  .library-toolbar { align-items: stretch; flex-direction: column; }
  .search-field { width: 100%; }
  .filter-group { overflow-x: auto; }
  .filter-chip { white-space: nowrap; }
  .library-count { margin-left: 0; }
  .word-table-head { display: none; }
  .word-row { min-height: 82px; padding: 12px 16px; grid-template-columns: 1fr auto; gap: 5px 10px; }
  .definition-cell { grid-column: 1 / 2; }
  .word-status { grid-column: 1 / 2; }
  .word-actions { grid-column: 2; grid-row: 1 / 4; }
  .listening-stats { gap: 9px; }
  .listening-stats span { min-width: 55px; padding-left: 10px; }
  .listening-workspace { padding: 23px 17px 30px; }
  .listening-workspace > h2 { font-size: 23px; overflow-wrap: anywhere; }
  .audio-player { padding-inline: 14px; }
  .player-controls { justify-content: flex-start; }
  .speed-control { right: 37px; }
  .listening-options { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-card { min-height: 105px; padding: 13px; gap: 9px; }
  .stat-card > span { width: 35px; height: 35px; flex-basis: 35px; }
  .stat-card strong { font-size: 20px; }
  .stat-card p { display: none; }
  .heatmap { gap: 3px; }
  .heat-cell { min-width: 5px; }
  .weak-list { grid-template-columns: 1fr; }
  .plan-banner { min-height: 250px; padding: 25px; align-items: flex-start; }
  .plan-banner > div:first-child > strong { font-size: 22px; }
  .calendar-visual { width: 85px; min-height: 105px; flex: 0 0 85px; }
  .calendar-visual strong { font-size: 39px; }
  .plan-day-row { grid-template-columns: 58px 1fr; gap: 10px; }
  .plan-day-time { grid-column: 2; }
  .data-actions { flex-direction: column; align-items: flex-start; }
  .command-result { grid-template-columns: 100px 1fr auto; }
  .toast { right: 14px; bottom: 82px; left: 14px; justify-content: center; }
}

@media (max-width: 410px) {
  .heading-sub { font-size: 12px; }
  .focus-band { min-height: 325px; }
  .focus-progress { display: none; }
  .week-summary strong { font-size: 14px; }
  .stat-grid { grid-template-columns: 1fr; }
  .stat-card { min-height: 82px; }
  .quiz-sidebar { grid-template-columns: 1fr; }
  .quiz-sidebar > .eyebrow,
  .quiz-sidebar > h2,
  .quiz-settings { grid-column: 1; }
  .speed-control { position: static; margin-left: auto; }
  #volumeBtn { display: none; }
  .plan-banner { gap: 15px; }
  .calendar-visual { display: none; }
}

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

/* Expanded question banks and post-practice review */
.listening-library .library-title {
  grid-template-columns: 1fr auto auto;
  gap: 8px;
}

.listening-library .library-title b,
.writing-prompt-rail .library-title b {
  color: var(--ink-faint);
  font-size: 9px;
  white-space: nowrap;
}

.bank-search {
  height: 38px;
  margin: 12px 0 8px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--bg);
}

.bank-search svg {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  color: var(--ink-faint);
}

.bank-search input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 10px;
}

.bank-source-filter {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.bank-source-filter button {
  min-width: 0;
  height: 29px;
  padding: 0 4px;
  overflow: hidden;
  border: 0;
  border-radius: 3px;
  background: transparent;
  color: var(--ink-faint);
  cursor: pointer;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 8px;
  font-weight: 700;
}

.bank-source-filter button.active {
  background: var(--ink);
  color: var(--surface);
}

.true-listening-filters {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 6px;
}

.bank-filter-select {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.bank-filter-select span {
  color: var(--ink-faint);
  font-size: 8px;
  font-weight: 800;
}

.bank-filter-select select {
  width: 100%;
  min-width: 0;
  height: 30px;
  padding: 0 7px;
  border: 1px solid var(--line);
  border-radius: 3px;
  outline: 0;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 9px;
  font-weight: 700;
}

.listening-library #listeningSetList {
  max-height: calc(100vh - 285px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.set-source-badge {
  min-height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  font-weight: 800;
}

.set-source-badge.authentic {
  background: var(--green-soft);
  color: var(--green);
}

.set-source-badge.practice {
  background: var(--blue-soft);
  color: var(--blue);
}

.bank-empty {
  min-height: 170px;
  padding: 24px 12px;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 7px;
  color: var(--ink-faint);
  text-align: center;
}

.bank-empty svg {
  width: 25px;
  height: 25px;
}

.bank-empty strong {
  color: var(--ink-soft);
  font-size: 11px;
}

.bank-empty span {
  font-size: 9px;
}

.question-explanation {
  display: grid;
  gap: 5px;
}

.question-explanation p {
  margin: 0;
  font-family: inherit;
  font-size: 10px;
  font-weight: 400;
}

.review-disclosure {
  border-bottom: 1px solid var(--line);
}

.review-disclosure > summary {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

.review-disclosure > summary::-webkit-details-marker {
  display: none;
}

.review-disclosure > summary span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
}

.review-disclosure > summary span svg {
  width: 16px;
  height: 16px;
  color: var(--coral);
}

.review-disclosure > summary b {
  color: var(--ink-faint);
  font-size: 9px;
}

.review-disclosure-body,
.review-question-grid,
.review-vocab-grid,
.review-strategies {
  padding-bottom: 18px;
}

.review-question-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.review-question {
  min-width: 0;
  padding: 13px 14px;
  border-left: 3px solid var(--green);
  background: var(--green-soft);
}

.review-question > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.review-question > div b {
  color: var(--green);
  font-family: Georgia, serif;
}

.review-question > div span {
  color: var(--green);
  font-size: 9px;
  font-weight: 800;
}

.review-question h4 {
  margin: 7px 0 9px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 11px;
}

.review-question p {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 9px;
  line-height: 1.55;
}

.review-question em {
  margin-right: 6px;
  color: var(--green);
  font-style: normal;
  font-weight: 800;
}

.review-vocab-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.review-vocab-item {
  min-width: 0;
  padding: 12px 13px;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
}

.review-vocab-item strong {
  margin-right: 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
}

.review-vocab-item span {
  color: var(--blue);
  font-size: 9px;
  font-weight: 700;
}

.review-vocab-item p,
.review-unavailable {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 9px;
}

.review-strategies {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.sentence-lab {
  margin-bottom: 22px;
  padding: 22px 26px 24px;
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.sentence-lab-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.sentence-lab-heading h2 {
  margin: 2px 0 0;
  font-size: 18px;
}

.sentence-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sentence-nav > span {
  margin-right: 5px;
  color: var(--ink-faint);
  font-size: 9px;
  font-variant-numeric: tabular-nums;
}

.sentence-nav .icon-button {
  width: 30px;
  height: 30px;
}

.sentence-lesson-tabs {
  margin: 16px 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.sentence-lesson-tabs::-webkit-scrollbar {
  display: none;
}

.sentence-lesson-tabs button {
  min-height: 30px;
  padding: 0 10px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 9px;
}

.sentence-lesson-tabs button.active {
  border-color: var(--coral);
  background: var(--coral-soft);
  color: var(--coral-dark);
  font-weight: 800;
}

.sentence-lesson-body {
  display: grid;
  grid-template-columns: 1.08fr 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 5px;
  overflow: hidden;
}

.sentence-lesson-body > div {
  min-width: 0;
  min-height: 150px;
  padding: 17px 18px;
  border-left: 1px solid var(--line);
}

.sentence-lesson-body > div:first-child {
  border-left: 0;
}

.sentence-pattern span {
  min-height: 22px;
  padding: 0 7px;
  display: inline-flex;
  align-items: center;
  border-radius: 11px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 8px;
  font-weight: 800;
}

.sentence-pattern strong {
  margin: 10px 0 7px;
  display: block;
  overflow-wrap: anywhere;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
}

.sentence-pattern p,
.sentence-example p,
.sentence-challenge p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.65;
}

.sentence-example small,
.sentence-challenge small {
  margin-bottom: 8px;
  display: block;
  color: var(--coral);
  font-size: 8px;
  font-weight: 800;
}

.sentence-example p {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
}

.sentence-example span {
  margin-top: 8px;
  display: block;
  color: var(--ink-faint);
  font-size: 9px;
}

.sentence-challenge .text-button {
  margin-top: 10px;
}

#sentenceLessonAnswer {
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px solid var(--line);
  color: var(--green);
  font-family: Georgia, "Times New Roman", serif;
}

.writing-prompt-rail #writingPromptList {
  max-height: calc(100vh - 260px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.answer-reveal-row {
  min-height: 58px;
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-top: 1px solid var(--line);
}

.answer-reveal-row > span {
  color: var(--ink-faint);
  font-size: 9px;
}

.answer-drawer {
  margin-top: 12px;
  padding: 2px 17px 18px;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
}

#standaloneReferenceAnswer {
  padding: 17px 0;
  color: var(--ink-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-line;
}

.plan-task-chip.optional {
  background: var(--blue-soft);
  color: var(--blue);
}

@media (max-width: 900px) {
  .listening-library #listeningSetList,
  .writing-prompt-rail #writingPromptList {
    max-height: none;
  }

  .sentence-lesson-body {
    grid-template-columns: 1fr 1fr;
  }

  .sentence-lesson-body > div:nth-child(3) {
    grid-column: 1 / -1;
    min-height: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

@media (max-width: 680px) {
  .review-question-grid,
  .review-vocab-grid,
  .review-strategies {
    grid-template-columns: 1fr;
  }

  .sentence-lab {
    margin-inline: -14px;
    padding: 19px 14px 22px;
  }

  .sentence-lesson-body {
    grid-template-columns: 1fr;
  }

  .sentence-lesson-body > div,
  .sentence-lesson-body > div:nth-child(3) {
    grid-column: auto;
    min-height: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .sentence-lesson-body > div:first-child {
    border-top: 0;
  }

  .answer-reveal-row {
    padding-block: 12px;
    align-items: stretch;
    flex-direction: column;
  }

  .answer-reveal-row .secondary-button {
    width: 100%;
    justify-content: center;
  }

  .answer-drawer {
    margin-inline: -4px;
    padding-inline: 13px;
  }
}

/* CET-6 focused extensions */

textarea {
  font: inherit;
  letter-spacing: 0;
}

textarea:focus-visible {
  outline: 3px solid rgba(57, 117, 173, 0.3);
  outline-offset: 2px;
}

.nav-section-label {
  padding: 0 14px;
  color: #68716b;
  font-size: 9px;
  font-weight: 800;
}

.nav-section-review {
  margin-top: 14px;
}

.main-nav {
  gap: 5px;
  margin-top: 38px;
}

.memory-overview-band {
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  border-block: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 68%, transparent);
}

.daily-word-control,
.memory-forecast {
  min-width: 0;
  min-height: 152px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.daily-word-control {
  border-right: 1px solid var(--line);
}

.daily-word-control > div:nth-child(2) {
  min-width: 0;
  flex: 1;
}

.daily-word-control h2,
.forecast-copy h2 {
  margin: 2px 0 4px;
  font-size: 17px;
}

.daily-word-control p:not(.eyebrow),
.forecast-copy p:not(.eyebrow) {
  margin: 0;
  color: var(--ink-faint);
  font-size: 10px;
}

.memory-band-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  flex: 0 0 44px;
  border-radius: 5px;
  background: var(--blue-soft);
  color: var(--blue);
}

.number-stepper {
  height: 48px;
  display: grid;
  grid-template-columns: 38px 92px 38px;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
}

.number-stepper button {
  padding: 0;
  display: grid;
  place-items: center;
  border: 0;
  background: var(--surface-2);
  color: var(--ink-soft);
  cursor: pointer;
}

.number-stepper button:hover {
  color: var(--coral);
}

.number-stepper label {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr;
  place-content: center;
  text-align: center;
}

.number-stepper input {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: center;
  font-size: 18px;
  font-weight: 800;
  appearance: textfield;
}

.number-stepper input::-webkit-inner-spin-button,
.number-stepper input::-webkit-outer-spin-button {
  appearance: none;
}

.number-stepper label span {
  color: var(--ink-faint);
  font-size: 8px;
}

.memory-forecast {
  justify-content: space-between;
}

.forecast-copy {
  min-width: 175px;
}

.forecast-copy h2 strong {
  color: var(--coral);
  font-size: 25px;
}

.forecast-bars {
  height: 80px;
  display: grid;
  grid-template-columns: repeat(7, minmax(20px, 1fr));
  align-items: end;
  gap: 7px;
  flex: 1;
}

.forecast-day {
  height: 100%;
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: end;
  justify-items: center;
  gap: 5px;
}

.forecast-day span {
  width: 100%;
  min-height: 4px;
  border-radius: 2px 2px 0 0;
  background: var(--blue);
  opacity: 0.76;
}

.forecast-day:first-child span {
  background: var(--coral);
  opacity: 1;
}

.forecast-day small {
  color: var(--ink-faint);
  font-size: 8px;
}

.word-ipa {
  margin: 0;
  color: var(--blue) !important;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px !important;
}

.word-content h2 {
  margin-bottom: 8px;
}

.word-content #wordTypeHint {
  margin-top: 8px;
}

.flashcard {
  height: 500px;
}

.meaning-content {
  max-height: 410px;
  overflow: auto;
  scrollbar-width: thin;
}

.meaning-word > div {
  min-width: 0;
}

.memory-cue-block {
  margin-top: 16px;
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 3px 12px;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
}

.memory-cue-block > span {
  grid-row: span 3;
  color: var(--blue);
  font-size: 9px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.memory-cue-block strong {
  font-size: 12px;
}

.memory-cue-block p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 10px;
}

.related-words {
  margin-top: 5px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.related-words span {
  padding: 2px 6px;
  border: 1px solid color-mix(in srgb, var(--blue) 30%, transparent);
  border-radius: 10px;
  color: var(--blue);
  font-family: Georgia, serif;
  font-size: 9px;
}

.related-words .source-page-chip {
  border-color: color-mix(in srgb, var(--green) 38%, transparent);
  background: color-mix(in srgb, var(--green) 9%, transparent);
  color: var(--green);
  font-family: inherit;
  font-weight: 800;
}

.related-words:empty {
  display: none;
}

.meaning-word .source-page-link {
  min-height: 32px;
  margin-left: auto;
  padding: 0 9px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid color-mix(in srgb, var(--green) 34%, var(--line));
  border-radius: 5px;
  background: color-mix(in srgb, var(--green) 7%, var(--surface));
  color: var(--green);
  font-size: 9px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.meaning-word .source-page-link:hover {
  border-color: var(--green);
  background: color-mix(in srgb, var(--green) 12%, var(--surface));
}

.meaning-word .source-page-link svg {
  width: 14px;
  height: 14px;
}

.source-study-block {
  margin-top: 15px;
  border-top: 1px solid var(--line);
}

.source-study-section {
  padding: 12px 0;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
  border-bottom: 1px solid var(--line);
}

.source-study-section > span {
  color: var(--ink-faint);
  font-size: 9px;
  font-weight: 800;
}

.source-study-lines {
  display: grid;
  gap: 7px;
}

.source-study-lines p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.source-study-lines p + p {
  padding-top: 7px;
  border-top: 1px dashed var(--line);
}

.source-study-lines b {
  margin-right: 7px;
  color: var(--blue);
  font-size: 9px;
}

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

.source-question {
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface-2);
  overflow: hidden;
}

.source-question summary {
  padding: 10px 11px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 5px 9px;
  list-style: none;
  cursor: pointer;
}

.source-question summary::-webkit-details-marker {
  display: none;
}

.source-question summary > span {
  color: var(--coral-dark);
  font-size: 9px;
  font-weight: 800;
}

.source-question summary > strong {
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.source-question summary > b {
  grid-column: 2;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--blue);
  font-size: 9px;
}

.source-question summary > b svg {
  width: 12px;
  height: 12px;
  transition: transform 180ms ease;
}

.source-question[open] summary > b svg {
  transform: rotate(180deg);
}

.source-question-answer {
  padding: 10px 11px 12px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.source-question-answer span {
  color: var(--green);
  font-size: 9px;
  font-weight: 800;
}

.source-question-answer p {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.memory-chain {
  margin-bottom: 12px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--line);
}

.memory-chain span {
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 9px;
}

.memory-chain b {
  width: 17px;
  height: 17px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-2);
  font-size: 8px;
}

.memory-chain .active b {
  background: var(--coral);
  color: #fff;
}

.word-cell > div {
  min-width: 0;
  display: grid;
}

.word-cell small {
  color: var(--blue);
  font-family: Georgia, serif;
  font-size: 10px;
}

.listening-type-filter {
  margin: -5px 0 20px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.listening-type-filter::-webkit-scrollbar {
  display: none;
}

.listening-type-filter button {
  min-height: 38px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 10px;
  font-weight: 700;
}

.listening-type-filter button b {
  color: var(--ink-faint);
  font-size: 8px;
}

.listening-type-filter button.active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.listening-source-row {
  min-height: 34px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--ink-faint);
  font-size: 9px;
}

.listening-source-row a,
.authentic-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.listening-source-row a {
  color: var(--blue);
  text-decoration: none;
}

.listening-source-row svg {
  width: 12px;
  height: 12px;
}

.authentic-badge {
  min-height: 24px;
  padding: 0 8px;
  border-radius: 12px;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 800;
}

#realListeningAudio {
  display: none;
}

#waveformCanvas {
  cursor: pointer;
}

.true-review {
  display: grid;
  gap: 12px;
}

.true-review-intro {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.true-review-point {
  min-height: 48px;
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 24px 1fr;
  align-items: center;
  gap: 10px;
  border-left: 3px solid var(--amber);
  background: var(--amber-soft);
}

.true-review-point b {
  color: var(--amber);
  font-family: Georgia, serif;
}

.true-review-point p {
  margin: 0;
  font-size: 11px;
}

.true-review-source {
  color: var(--ink-faint);
  font-size: 9px;
}

.true-review-source a {
  color: var(--blue);
}

.writing-stats {
  display: flex;
  gap: 25px;
}

.writing-stats span {
  min-width: 76px;
  padding-left: 16px;
  display: grid;
  border-left: 1px solid var(--line);
}

.writing-stats strong {
  font-size: 20px;
}

.writing-stats small {
  color: var(--ink-faint);
  font-size: 9px;
}

.writing-mode-bar {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.writing-mode-bar .segmented-control button {
  min-width: 108px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.writing-mode-bar > span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--ink-faint);
  font-size: 9px;
}

.writing-mode-bar > span svg {
  width: 13px;
  height: 13px;
}

.writing-layout {
  display: grid;
  grid-template-columns: 265px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.writing-prompt-rail {
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.writing-prompt-rail .library-title b {
  color: var(--ink-faint);
  font-size: 9px;
}

.writing-prompt-item {
  width: 100%;
  min-height: 82px;
  margin-top: 8px;
  padding: 12px;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.writing-prompt-item:hover {
  background: var(--surface-2);
}

.writing-prompt-item.active {
  border-color: var(--coral);
  background: var(--coral-soft);
}

.writing-prompt-index {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 800;
}

.writing-prompt-item.active .writing-prompt-index {
  background: var(--coral);
  color: #fff;
}

.writing-prompt-item > span:last-child {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 4px;
}

.writing-prompt-item strong {
  overflow-wrap: anywhere;
  font-size: 12px;
}

.writing-prompt-item small {
  color: var(--ink-faint);
  font-size: 9px;
}

.writing-editor-pane {
  min-width: 0;
  padding: 30px 36px 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.writing-prompt-meta {
  display: flex;
  gap: 8px;
}

.writing-prompt-meta span {
  min-height: 24px;
  padding: 0 8px;
  display: inline-flex;
  align-items: center;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 9px;
  font-weight: 800;
}

.writing-prompt-meta span:first-child {
  background: var(--green-soft);
  color: var(--green);
}

.writing-editor-pane > h2 {
  margin: 17px 0 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
}

.writing-direction {
  color: var(--ink-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  line-height: 1.7;
}

.writing-opening {
  margin: 16px 0;
  padding: 13px 16px;
  border-left: 3px solid var(--coral);
  background: var(--coral-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  line-height: 1.65;
}

.writing-outline {
  margin: 18px 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.writing-outline span {
  min-height: 66px;
  padding: 10px 12px;
  display: flex;
  align-items: flex-start;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--ink-soft);
  font-size: 10px;
}

.writing-outline b {
  color: var(--coral);
  font-family: Georgia, serif;
}

.editor-toolbar,
.editor-footer {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.editor-toolbar > span {
  font-weight: 800;
}

.writing-timer {
  display: flex;
  align-items: center;
  gap: 6px;
}

.writing-timer strong {
  min-width: 56px;
  color: var(--coral);
  font-variant-numeric: tabular-nums;
  font-size: 17px;
}

.writing-timer .icon-button {
  width: 30px;
  height: 30px;
}

#writingEditor {
  width: 100%;
  min-height: 300px;
  padding: 18px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--bg);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px;
  line-height: 1.8;
}

.editor-footer {
  padding-top: 10px;
}

.editor-footer > span {
  color: var(--ink-faint);
  font-size: 10px;
}

.writing-feedback {
  margin-top: 28px;
  padding-top: 28px;
  display: grid;
  grid-template-columns: 155px 1fr;
  gap: 28px;
  border-top: 1px solid var(--line);
}

.feedback-score {
  align-self: start;
  padding: 18px 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  border-block: 3px solid var(--ink);
}

.feedback-score strong {
  color: var(--coral);
  font-family: Georgia, serif;
  font-size: 54px;
  line-height: 1;
}

.feedback-score span {
  color: var(--ink-faint);
}

.feedback-score p {
  width: 100%;
  margin: 8px 0 0;
  color: var(--ink-faint);
  font-size: 9px;
}

.feedback-checks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.feedback-check {
  min-height: 64px;
  padding: 11px 13px;
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.feedback-check > span {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green);
}

.feedback-check.warn > span {
  background: var(--amber-soft);
  color: var(--amber);
}

.feedback-check svg {
  width: 13px;
  height: 13px;
}

.feedback-check div {
  display: grid;
}

.feedback-check strong {
  font-size: 10px;
}

.feedback-check small {
  color: var(--ink-faint);
  font-size: 9px;
}

.reference-answer {
  grid-column: 1 / -1;
}

#referenceAnswer {
  padding: 18px 0;
  color: var(--ink-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-line;
}

.reference-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.reference-notes p {
  margin: 0;
  padding: 12px;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
  color: var(--ink-soft);
  font-size: 10px;
}

.derived-review-box {
  padding: 12px;
  display: grid;
  grid-template-columns: 36px 1fr;
  align-items: center;
  gap: 10px;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
}

.derived-review-box > span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--blue);
}

.derived-review-box strong {
  font-size: 10px;
}

.derived-review-box p {
  margin: 2px 0 0;
  color: var(--ink-soft);
  font-size: 9px;
}

@media (max-width: 1160px) {
  .memory-overview-band {
    grid-template-columns: 1fr;
  }

  .daily-word-control {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .writing-layout {
    grid-template-columns: 230px minmax(0, 1fr);
  }

  .writing-editor-pane {
    padding-inline: 28px;
  }
}

@media (max-width: 900px) {
  .memory-overview-band {
    margin-inline: -20px;
  }

  .writing-layout {
    grid-template-columns: 1fr;
  }

  .writing-prompt-rail {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .writing-prompt-rail::-webkit-scrollbar {
    display: none;
  }

  #writingPromptList {
    display: flex;
    gap: 8px;
  }

  .writing-prompt-item {
    min-width: 230px;
  }
}

@media (max-width: 680px) {
  .memory-overview-band {
    margin: 14px -14px 0;
  }

  .daily-word-control,
  .memory-forecast {
    min-height: 0;
    padding: 20px 14px;
    flex-wrap: wrap;
  }

  .daily-word-control .number-stepper {
    width: 100%;
    grid-template-columns: 42px 1fr 42px;
  }

  .forecast-copy {
    width: 100%;
  }

  .forecast-bars {
    width: 100%;
    flex-basis: 100%;
  }

  .flashcard {
    height: 480px;
  }

  .card-front,
  .card-back {
    padding: 18px;
  }

  .meaning-content {
    max-height: 392px;
  }

  .memory-cue-block {
    grid-template-columns: 1fr;
  }

  .memory-cue-block > span {
    grid-row: auto;
  }

  .source-study-section {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .meaning-word .source-page-link span {
    display: none;
  }

  .meaning-word .source-page-link {
    width: 32px;
    padding: 0;
    justify-content: center;
  }

  .memory-chain span {
    gap: 3px;
    font-size: 8px;
  }

  .listening-type-filter {
    margin-top: 4px;
  }

  .listening-source-row > span:last-child {
    width: 100%;
  }

  .writing-mode-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .writing-mode-bar .segmented-control {
    width: 100%;
  }

  .writing-mode-bar > span {
    align-self: flex-end;
  }

  .writing-stats {
    gap: 8px;
  }

  .writing-stats span {
    min-width: 56px;
    padding-left: 10px;
  }

  .writing-editor-pane {
    padding: 23px 17px 30px;
  }

  .writing-editor-pane > h2 {
    font-size: 23px;
  }

  .writing-outline,
  .reference-notes {
    grid-template-columns: 1fr;
  }

  .writing-outline span {
    min-height: 0;
  }

  #writingEditor {
    min-height: 340px;
    padding: 14px;
    font-size: 14px;
  }

  .writing-feedback {
    grid-template-columns: 1fr;
  }

  .feedback-score {
    max-width: 170px;
  }

  .feedback-checks {
    grid-template-columns: 1fr;
  }

  .reference-answer {
    grid-column: 1;
  }
}

@media (max-width: 410px) {
  .memory-band-icon {
    display: none;
  }

  .flashcard {
    height: 500px;
  }

  .memory-chain b {
    display: none;
  }

  .writing-stats span:first-child {
    display: none;
  }
}

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

  .true-test-list {
    max-height: none;
    padding: 0 0 8px;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .true-test-list::-webkit-scrollbar {
    display: none;
  }

  .true-test-item {
    min-width: 245px;
    border-color: var(--line);
  }

  .true-test-detail {
    padding: 22px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

@media (max-width: 680px) {
  .true-test-vault {
    margin-top: 0;
    padding-top: 19px;
  }

  .true-test-vault-head {
    align-items: flex-start;
  }

  .true-test-vault-stats {
    gap: 7px;
  }

  .true-test-vault-stats span {
    min-width: 59px;
    padding-left: 8px;
  }

  .true-test-vault-stats small {
    max-width: 58px;
    line-height: 1.25;
  }

  .true-test-controls {
    padding: 12px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .true-test-search,
  #trueTestVisibleCount {
    width: 100%;
    grid-column: 1 / -1;
  }

  #trueTestVisibleCount {
    margin: 0;
    text-align: right;
  }

  .select-control,
  .check-control {
    min-width: 0;
    width: 100%;
  }

  .true-test-vault-layout {
    gap: 12px;
  }

  .true-test-detail-head h3 {
    font-size: 21px;
  }

  .true-test-audio {
    grid-template-columns: 1fr;
  }

  .true-test-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .true-test-actions button,
  .true-test-actions a {
    width: 100%;
    justify-content: center;
  }

  #trueTestAudioDownload {
    grid-column: 1 / -1;
  }

  #trueTestDocumentFrame {
    height: 560px;
    min-height: 0;
  }
}

@media (max-width: 410px) {
  .true-test-vault-head {
    display: grid;
  }

  .true-test-vault-stats span {
    min-width: 90px;
  }

  .true-test-vault-stats small {
    max-width: none;
  }

  .true-test-audio-badge {
    padding-inline: 5px;
  }
}

@media (max-width: 960px) {
  .word-book-profile {
    display: none;
  }

  .vocab-heading-actions {
    flex-wrap: wrap;
  }

  .active-book-switcher {
    width: 270px;
  }
}

@media (max-width: 680px) {
  .vocab-heading-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
  }

  .active-book-switcher {
    width: 100%;
  }

  .wordbook-overlay {
    padding: 14px;
  }

  .wordbook-dialog {
    max-height: calc(100vh - 28px);
  }

  .wordbook-shelf-grid {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .wordbook-dialog-foot {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .wordbook-dialog-foot .primary-button {
    width: 100%;
  }

  .learning-pipeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .learning-pipeline > svg {
    display: none;
  }

  .pipeline-step {
    min-height: 54px;
  }

  .daily-study-panel {
    min-height: 480px;
    padding: 22px 17px;
  }

  .study-word-line h2 {
    font-size: 35px;
  }

  .study-stage-feedback {
    grid-template-columns: auto 1fr;
  }

  .study-stage-feedback .primary-button {
    grid-column: 1 / -1;
    width: 100%;
  }
}

@media (max-width: 410px) {
  .wordbook-card {
    grid-template-columns: 50px minmax(0, 1fr);
    padding: 10px;
  }

  .wordbook-cover {
    width: 50px;
    height: 74px;
  }

  .wordbook-card-action {
    display: none;
  }

  .pipeline-step {
    grid-template-columns: 26px minmax(0, 1fr) auto;
    padding-inline: 7px;
  }

  .pipeline-step > span {
    width: 26px;
    height: 26px;
  }

  .rating-buttons.two-options {
    grid-template-columns: 1fr 1fr;
  }
}

/* Writing and translation study library */
.material-read-summary {
  min-width: 112px;
  padding: 10px 14px;
  display: grid;
  justify-items: end;
  border-left: 3px solid var(--green);
  background: var(--surface);
  border-radius: var(--radius);
}

.material-read-summary strong {
  font-size: 25px;
  line-height: 1;
}

.material-read-summary span {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 12px;
}

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

.material-mode-tabs button {
  min-height: 48px;
  gap: 8px;
}

.material-mode-tabs button b {
  color: var(--ink-faint);
  font-size: 11px;
  font-weight: 700;
}

.material-mode-tabs button.active b {
  color: rgba(255, 255, 255, 0.7);
}

.material-mode-bar > span {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 12px;
  white-space: nowrap;
}

.material-browser {
  min-width: 0;
  display: grid;
  grid-template-columns: 286px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.material-rail,
.material-viewer {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
}

.material-rail {
  min-width: 0;
  width: 100%;
  position: sticky;
  top: 18px;
  padding: 16px;
  overflow: hidden;
}

.material-list {
  max-height: calc(100vh - 270px);
  min-height: 360px;
  margin-top: 10px;
  padding-right: 4px;
  display: grid;
  align-content: start;
  gap: 6px;
  overflow-y: auto;
  scrollbar-width: thin;
}

.material-directory-label {
  margin: 10px 7px 2px;
  color: var(--ink-faint);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0;
}

.material-directory-label:first-child {
  margin-top: 2px;
}

.material-list-item {
  width: 100%;
  min-height: 62px;
  padding: 9px 8px;
  display: grid;
  grid-template-columns: 31px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 5px;
  text-align: left;
  cursor: pointer;
}

.material-list-item:hover {
  background: var(--surface-2);
}

.material-list-item.active {
  border-color: var(--coral);
  background: var(--coral-soft);
}

.material-list-item > span:first-child {
  color: var(--ink-faint);
  font-size: 11px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.material-list-item > span:nth-child(2) {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.material-list-item strong,
.material-list-item small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-list-item strong {
  font-size: 13px;
}

.material-list-item small {
  color: var(--ink-faint);
  font-size: 10px;
}

.material-list-item > svg {
  width: 15px;
  height: 15px;
  color: var(--ink-faint);
}

.material-list-item.complete > svg {
  color: var(--green);
}

.material-viewer {
  min-width: 0;
  padding: 24px;
}

.material-viewer-toolbar,
.material-heading-row,
.material-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.material-viewer-toolbar {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.material-source-meta,
.material-page-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.material-source-meta span:first-child {
  padding: 5px 8px;
  border-radius: 4px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
}

.material-source-meta span:last-child {
  color: var(--ink-faint);
  font-size: 12px;
}

.material-heading-row {
  padding: 22px 0 18px;
  align-items: flex-start;
}

.material-heading-row p {
  margin-bottom: 5px;
  color: var(--ink-faint);
  font-size: 11px;
  font-weight: 700;
}

.material-heading-row h2 {
  margin: 0;
  font-size: 25px;
  line-height: 1.25;
}

.read-state {
  padding: 6px 9px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  color: var(--ink-faint);
  background: var(--surface-2);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}

.read-state.complete {
  color: var(--green);
  background: var(--green-soft);
}

.material-content {
  min-height: 520px;
}

.material-source-page {
  margin: 0;
  padding: 14px;
  background: var(--surface-2);
  border-radius: var(--radius);
  text-align: center;
  overflow: auto;
}

.material-source-page img {
  display: block;
  width: min(100%, 820px);
  height: auto;
  margin: 0 auto;
  background: #fff;
  box-shadow: var(--shadow-small);
}

.material-source-page figcaption {
  margin-top: 10px;
  color: var(--ink-faint);
  font-size: 11px;
}

.language-point-pairs {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.language-point-pairs article {
  padding: 18px 4px;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  border-bottom: 1px solid var(--line);
}

.language-point-pairs article > b {
  color: var(--coral);
  font-size: 12px;
}

.language-point-pairs p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
}

.language-point-pairs p + p {
  margin-top: 7px;
  color: var(--blue);
  font-size: 14px;
}

.study-note {
  display: grid;
  gap: 24px;
}

.study-note-lead {
  padding: 20px 22px;
  border-left: 4px solid var(--coral);
  background: var(--coral-soft);
}

.study-note-lead > span,
.study-note-callout > span {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--coral-dark);
  font-size: 11px;
  font-weight: 800;
}

.study-note-lead > span svg,
.study-note-callout > span svg {
  width: 15px;
  height: 15px;
}

.study-note-lead > p {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.8;
}

.memory-formula {
  margin-top: -12px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--green-soft);
  color: var(--green);
}

.memory-formula > svg {
  width: 22px;
  height: 22px;
}

.memory-formula > div {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.memory-formula span {
  font-size: 9px;
  font-weight: 800;
}

.memory-formula strong {
  color: var(--ink);
  font-size: 13px;
  line-height: 1.55;
}

.study-note-section {
  min-width: 0;
}

.study-note-section > header {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.study-note-section > header > span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--surface);
  font-size: 10px;
  font-weight: 800;
}

.study-note-section > header > div {
  display: grid;
  gap: 1px;
}

.study-note-section > header small {
  color: var(--ink-faint);
  font-size: 8px;
  font-weight: 800;
}

.study-note-section > header h3 {
  margin: 0;
  font-size: 17px;
}

.pattern-card-grid {
  border-top: 1px solid var(--line);
}

.pattern-card {
  min-width: 0;
  padding: 15px 4px;
  display: grid;
  grid-template-columns: 82px minmax(200px, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--line);
}

.pattern-card > span {
  color: var(--coral-dark);
  font-size: 11px;
  font-weight: 800;
}

.pattern-card code {
  min-width: 0;
  padding: 7px 9px;
  overflow-wrap: anywhere;
  background: var(--blue-soft);
  color: var(--blue);
  font-family: Inter, "SF Pro Text", Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
}

.pattern-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.65;
}

.language-point-pairs article div > small {
  margin-top: 7px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--green);
  font-size: 10px;
  font-weight: 700;
}

.language-point-pairs article div > small svg {
  width: 13px;
  height: 13px;
}

.study-note-callout {
  padding: 17px 20px;
  border-left: 4px solid var(--amber);
  background: var(--amber-soft);
}

.study-note-callout > span {
  color: var(--ink);
}

.study-note-callout ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.75;
}

.study-use-case {
  margin-top: 13px;
  padding-top: 12px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px;
  border-top: 1px solid rgba(202, 79, 59, 0.18);
  font-size: 11px;
}

.study-use-case b {
  color: var(--coral-dark);
}

.study-use-case span {
  color: var(--ink-soft);
}

.writing-framework-list {
  border-top: 1px solid var(--line);
}

.writing-framework-card {
  padding: 18px 4px;
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 16px 20px;
  border-bottom: 1px solid var(--line);
}

.writing-framework-title {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.writing-framework-title > b {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  background: var(--surface-2);
  color: var(--ink-faint);
  font-size: 9px;
}

.writing-framework-title > span {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.writing-framework-title small {
  color: var(--coral-dark);
  font-size: 10px;
  font-weight: 800;
}

.writing-framework-title strong {
  font-size: 13px;
  line-height: 1.45;
}

.writing-template-lines {
  min-width: 0;
  display: grid;
  gap: 7px;
}

.writing-template-lines p {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--blue);
  color: var(--blue);
  font-size: 13px;
  line-height: 1.65;
}

.writing-framework-note {
  grid-column: 2;
  display: flex;
  align-items: flex-start;
  gap: 7px;
  color: var(--ink-faint);
  font-size: 10px;
  line-height: 1.55;
}

.writing-framework-note svg {
  width: 14px;
  height: 14px;
  color: var(--amber);
}

.writing-demo {
  display: grid;
  grid-template-columns: minmax(150px, 0.38fr) minmax(0, 1fr);
  background: var(--green-soft);
}

.writing-demo > div {
  padding: 18px;
  display: grid;
  align-content: center;
  gap: 5px;
  border-right: 1px solid rgba(46, 135, 101, 0.2);
}

.writing-demo > div span {
  color: var(--green);
  font-size: 9px;
  font-weight: 800;
}

.writing-demo > div strong {
  font-size: 14px;
  line-height: 1.5;
}

.writing-demo ol {
  margin: 0;
  padding: 16px 20px 16px 42px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.75;
}

.translation-answer-pair {
  display: grid;
  gap: 12px;
}

.translation-answer-pair section {
  padding: 20px 22px;
  border-left: 4px solid;
  border-radius: 4px;
}

.translation-answer-pair section > span {
  margin-bottom: 11px;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 800;
}

.translation-answer-pair p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  white-space: normal;
}

.translation-chinese {
  border-color: var(--coral) !important;
  background: var(--coral-soft);
}

.translation-chinese > span {
  color: var(--coral-dark);
}

.translation-english {
  border-color: var(--blue) !important;
  background: var(--blue-soft);
}

.translation-english > span,
.translation-english p {
  color: var(--blue);
}

.material-source-details {
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

.material-source-details summary {
  padding: 14px 2px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-weight: 700;
  cursor: pointer;
}

.material-actions {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

#markMaterialReadBtn.complete,
#todayCheckInBtn.complete {
  background: var(--green);
}

/* Goal and check-in dashboard */
.goal-overview {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 170px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
}

.countdown-block,
.goal-plan-block,
.streak-block {
  min-width: 0;
  padding: 24px;
}

.countdown-block {
  background: var(--coral-soft);
}

.countdown-block > span,
.countdown-block p,
.streak-block span {
  color: var(--ink-soft);
  font-size: 12px;
}

.countdown-block strong {
  margin: 7px 0 3px;
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: var(--coral-dark);
}

.countdown-block strong b {
  font-size: 52px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.countdown-block strong small {
  font-size: 15px;
}

.countdown-block p {
  margin: 0;
}

.goal-plan-block {
  border-inline: 1px solid var(--line);
}

.goal-plan-block h2 {
  margin-bottom: 16px;
  font-size: 20px;
}

.goal-plan-items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.goal-plan-items > span {
  min-width: 0;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  column-gap: 7px;
  align-items: center;
}

.goal-plan-items svg {
  grid-row: 1 / 3;
  color: var(--green);
}

.goal-plan-items b {
  font-size: 13px;
}

.goal-plan-items small {
  color: var(--ink-faint);
  font-size: 10px;
}

.goal-plan-block > p:last-child {
  margin: 17px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.streak-block {
  display: grid;
  place-items: center;
  align-content: center;
  background: var(--green-soft);
  text-align: center;
}

.streak-block svg {
  width: 24px;
  height: 24px;
  color: var(--green);
}

.streak-block strong {
  margin: 6px 0 2px;
  color: var(--green);
  font-size: 36px;
  line-height: 1;
}

.completion-layout {
  margin-top: 16px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 16px;
  align-items: start;
}

.weekly-completion,
.monthly-checkin {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
}

.completion-percent,
.month-completion-summary {
  display: grid;
  justify-items: end;
}

.completion-percent strong,
.month-completion-summary strong {
  color: var(--green);
  font-size: 24px;
  line-height: 1;
}

.completion-percent span,
.month-completion-summary span {
  margin-top: 5px;
  color: var(--ink-faint);
  font-size: 10px;
}

.weekly-completion-list {
  margin-top: 14px;
  display: grid;
}

.weekly-day-row {
  min-height: 58px;
  padding: 9px 0;
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr) 55px;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--line);
}

.weekly-day-row.today {
  color: var(--coral-dark);
}

.weekly-day-label,
.weekly-day-status,
.weekly-day-content > span:first-child {
  display: grid;
}

.weekly-day-label small,
.weekly-day-status small,
.weekly-day-content small {
  color: var(--ink-faint);
  font-size: 10px;
}

.weekly-day-content {
  min-width: 0;
  display: grid;
  gap: 7px;
}

.weekly-day-content > span:first-child {
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.weekly-day-content b {
  font-size: 11px;
}

.completion-track {
  height: 5px;
  background: var(--surface-2);
  border-radius: 3px;
  overflow: hidden;
}

.completion-track i {
  display: block;
  height: 100%;
  background: var(--coral);
  border-radius: inherit;
}

.weekly-day-row.complete .completion-track i {
  background: var(--green);
}

.weekly-day-status {
  justify-items: end;
}

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

.calendar-weekdays {
  margin: 18px 0 7px;
  color: var(--ink-faint);
  font-size: 10px;
  text-align: center;
}

.calendar-day {
  position: relative;
  aspect-ratio: 1;
  min-width: 0;
  display: grid;
  place-items: center;
  align-content: center;
  border: 1px solid var(--line);
  background: var(--surface-2);
  border-radius: 4px;
  color: var(--ink-soft);
  font-size: 12px;
}

.calendar-day.empty {
  visibility: hidden;
}

.calendar-day.future {
  opacity: 0.45;
}

.calendar-day.level-1 {
  border-color: #efb3a7;
  background: var(--coral-soft);
}

.calendar-day.level-2 {
  border-color: #8cb3d5;
  background: var(--blue-soft);
}

.calendar-day.level-3,
.calendar-day.checked {
  border-color: var(--green);
  background: var(--green-soft);
  color: var(--green);
}

.calendar-day.today {
  box-shadow: inset 0 0 0 2px var(--coral);
}

.calendar-day small {
  min-height: 13px;
  font-size: 8px;
}

.calendar-day svg {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 11px;
  height: 11px;
}

.calendar-footer {
  margin-top: 16px;
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
}

.calendar-footer > span {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-faint);
  font-size: 10px;
}

.calendar-footer > span i {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 2px;
  background: var(--green);
}

@media (max-width: 1060px) {
  .material-browser {
    grid-template-columns: 245px minmax(0, 1fr);
  }

  .goal-overview {
    grid-template-columns: 190px minmax(0, 1fr) 145px;
  }

  .goal-plan-items {
    grid-template-columns: 1fr;
  }

  .goal-plan-items > span {
    grid-template-columns: 22px minmax(0, 1fr) minmax(90px, auto);
  }

  .goal-plan-items svg {
    grid-row: auto;
  }

  .goal-plan-items small {
    text-align: right;
  }
}

@media (max-width: 900px) {
  .material-mode-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .material-mode-bar > span {
    display: none;
  }

  .material-browser {
    grid-template-columns: 1fr;
  }

  .material-rail {
    position: static;
  }

  .material-list {
    min-height: 0;
    max-height: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(215px, 260px);
    overflow-x: auto;
    overflow-y: hidden;
  }

  .material-list-item {
    height: 62px;
  }

  .material-directory-label {
    display: none;
  }

  .goal-overview {
    grid-template-columns: 1fr 1fr;
  }

  .goal-plan-block {
    grid-column: 1 / -1;
    grid-row: 2;
    border: 0;
    border-top: 1px solid var(--line);
  }

  .goal-plan-items {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .goal-plan-items > span {
    grid-template-columns: 22px minmax(0, 1fr);
  }

  .goal-plan-items svg {
    grid-row: 1 / 3;
  }

  .goal-plan-items small {
    text-align: left;
  }

  .completion-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .material-read-summary {
    display: none;
  }

  .material-mode-tabs button {
    padding: 7px 5px;
    flex-direction: column;
    gap: 3px;
    line-height: 1.1;
  }

  .material-mode-tabs button b {
    font-size: 9px;
  }

  .material-rail,
  .material-viewer {
    padding: 14px;
  }

  .material-heading-row h2 {
    font-size: 21px;
  }

  .material-content {
    min-height: 420px;
  }

  .translation-answer-pair section {
    padding: 16px;
  }

  .translation-answer-pair p,
  .language-point-pairs p {
    font-size: 14px;
    line-height: 1.75;
  }

  .study-note {
    gap: 20px;
  }

  .study-note-lead,
  .study-note-callout {
    padding: 16px;
  }

  .study-note-lead > p {
    font-size: 14px;
    line-height: 1.75;
  }

  .memory-formula {
    padding: 13px 15px;
  }

  .pattern-card {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .writing-framework-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .writing-framework-note {
    grid-column: 1;
  }

  .writing-demo {
    grid-template-columns: 1fr;
  }

  .writing-demo > div {
    border-right: 0;
    border-bottom: 1px solid rgba(46, 135, 101, 0.2);
  }

  .material-source-page {
    padding: 7px;
  }

  .material-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .material-actions .primary-button {
    width: 100%;
  }

  .goal-overview {
    grid-template-columns: 1fr 0.72fr;
  }

  .countdown-block,
  .goal-plan-block,
  .streak-block,
  .weekly-completion,
  .monthly-checkin {
    padding: 17px;
  }

  .countdown-block strong b {
    font-size: 42px;
  }

  .goal-plan-items {
    grid-template-columns: 1fr;
  }

  .goal-plan-items > span {
    grid-template-columns: 22px minmax(0, 1fr) minmax(80px, auto);
  }

  .goal-plan-items svg {
    grid-row: auto;
  }

  .goal-plan-items small {
    text-align: right;
  }

  .weekly-completion .section-heading-line > div:first-child,
  .monthly-checkin .section-heading-line > div:first-child {
    display: grid;
    gap: 2px;
  }

  .weekly-completion .section-heading-line h2,
  .monthly-checkin .section-heading-line h2 {
    margin: 0;
  }

  .weekly-day-row {
    grid-template-columns: 44px minmax(0, 1fr) 45px;
    gap: 7px;
  }

  .weekly-day-content > span:first-child {
    grid-template-columns: 1fr;
    gap: 1px;
  }

  .calendar-weekdays,
  .monthly-calendar {
    gap: 4px;
  }

  .calendar-day {
    font-size: 11px;
  }

  .calendar-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .calendar-footer .primary-button {
    width: 100%;
  }
}

@media (max-width: 410px) {
  .material-mode-tabs button span {
    font-size: 11px;
  }

  .material-viewer-toolbar,
  .material-heading-row {
    gap: 8px;
  }

  .read-state {
    padding-inline: 6px;
  }

  .language-point-pairs article {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 7px;
  }

  .goal-overview {
    grid-template-columns: 1fr 0.68fr;
  }

  .countdown-block,
  .streak-block {
    padding: 14px 11px;
  }

  .countdown-block strong b {
    font-size: 36px;
  }

  .streak-block strong {
    font-size: 30px;
  }
}

/* Phone layout: keep primary controls aligned and avoid clipped half-cards. */
@media (max-width: 680px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
    overflow-x: clip;
  }

  .content {
    padding-inline: 12px;
  }

  .page-heading,
  .compact-heading {
    min-width: 0;
  }

  .page-heading h1,
  .compact-heading h1 {
    line-height: 1.22;
    overflow-wrap: anywhere;
  }

  .heading-sub {
    max-width: 100%;
    line-height: 1.65;
  }

  .study-layout,
  .listening-layout,
  .writing-layout,
  .plan-layout {
    gap: 12px;
  }

  .study-queue {
    padding: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    overflow: visible;
    border: 0;
    background: transparent;
  }

  .queue-option {
    min-width: 0;
    min-height: 60px;
    padding: 8px;
    gap: 7px;
    border: 1px solid var(--line);
    background: var(--surface);
  }

  .queue-option strong {
    font-size: 11px;
  }

  .queue-icon {
    width: 32px;
    height: 32px;
  }

  .learning-pipeline {
    margin-top: 10px;
  }

  .daily-study-panel {
    min-height: 440px;
    margin-top: 12px;
    padding: 24px 14px;
  }

  .dictation-meaning-prompt {
    margin-top: 22px;
    padding-inline: 14px;
  }

  .true-test-list,
  .listening-library,
  .writing-prompt-rail,
  .material-list {
    scroll-snap-type: x mandatory;
    overscroll-behavior-inline: contain;
  }

  .true-test-item,
  .listening-set-item,
  .writing-prompt-item,
  .material-list-item {
    min-width: 100%;
    scroll-snap-align: start;
  }

  #listeningSetList,
  #writingPromptList {
    width: 100%;
  }

  .material-list {
    grid-auto-columns: 100%;
  }

  input[type="text"],
  input[type="password"],
  input[type="search"],
  input[type="date"],
  textarea,
  select {
    font-size: 16px;
  }

  .mobile-nav button {
    min-width: 0;
    touch-action: manipulation;
  }

  .account-button {
    min-width: 42px;
    width: 42px;
    padding: 5px;
    justify-content: center;
  }

  .account-button-copy {
    display: none;
  }

  .account-status-dot {
    right: 4px;
    top: 4px;
  }

  .account-overlay {
    padding: 12px;
    align-items: end;
  }

  .account-dialog {
    width: 100%;
    max-height: calc(100dvh - 24px);
    overflow-y: auto;
  }

  .account-dialog-head {
    min-height: 66px;
    padding: 13px 15px;
  }

  #accountSignedOut,
  #accountSignedIn {
    padding: 16px;
  }
}