@charset "UTF-8";
:root {
  --paper: #f8f9f5;
  --surface: #fffefa;
  --ink: #293c37;
  --muted: #7d8880;
  --line: #e6e8df;
  --green: #47745e;
  --orange: #d57543;
  --mint: #e5eee1;
  --blue: #e8eef9;
  --peach: #f8e5d6;
  --yellow: #faf0cd;
  --lilac: #eee9f3;
  --radius: 19px;
  font-family:
    "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    sans-serif;
  color: var(--ink);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  font-size: 14px;
  line-height: 1.65;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
select,
summary,
textarea {
  -webkit-tap-highlight-color: transparent;
}
button,
a {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}
a {
  color: inherit;
  text-decoration: none;
}
p {
  margin: 8px 0 15px;
}
h1,
h2,
h3 {
  margin: 0;
  line-height: 1.4;
  letter-spacing: -0.4px;
}
h1 {
  font-size: 27px;
  font-weight: 750;
}
h2 {
  font-size: 20px;
  font-weight: 700;
}
h3 {
  font-size: 16px;
}
svg {
  vertical-align: middle;
  flex-shrink: 0;
}
button {
  color: inherit;
}
fieldset {
  padding: 0;
  border: 0;
  margin: 0;
  min-width: 0;
}
hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 25px 0;
}
input,
select,
textarea {
  max-width: 100%;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
textarea:focus-visible {
  outline: 3px solid #658bb3;
  outline-offset: 4px;
}
button,
a,
input,
select,
summary {
  transition:
    background 0.18s,
    box-shadow 0.18s,
    transform 0.18s;
}
a:hover {
  color: var(--green);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip {
  position: fixed;
  left: 20px;
  top: -60px;
  background: var(--ink);
  color: white;
  padding: 12px;
  z-index: 50;
}
.skip:focus {
  top: 10px;
}
.sidebar {
  width: 235px;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 20;
  background: #f1f3eb;
  border-right: 1px solid #e3e6db;
  padding: 34px 21px 20px;
  display: flex;
  flex-direction: column;
}
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  font-size: 21px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.5px;
  margin: 0 5px 30px;
}
.brand > span:last-child > span {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 4px;
  color: #7d8b7c;
  margin-top: 5px;
}
.brand-mark {
  display: grid;
  grid-template-columns: repeat(2, 15px);
  gap: 4px;
  transform: rotate(-5deg);
}
.brand-mark i {
  width: 15px;
  height: 15px;
  background: var(--orange);
  border-radius: 4px;
}
.brand-mark i:last-child {
  border-radius: 50%;
}
.semester {
  border: 1px solid #dfe4d7;
  border-radius: 9px;
  padding: 10px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 34px;
  white-space: nowrap;
}
.semester .tiny {
  margin-left: auto;
  color: #87927e;
  font-size: 10px;
}
.status-dot {
  width: 6px;
  height: 6px;
  background: #84a276;
  border-radius: 50%;
}
.nav-label {
  font-size: 10px;
  letter-spacing: 1.5px;
  color: #9ca596;
  margin-left: 15px;
  margin-bottom: 12px;
}
.nav-item {
  display: flex;
  gap: 13px;
  align-items: center;
  padding: 13px 14px;
  margin: 5px 0;
  border-radius: 10px;
  color: #728072;
  font-size: 13px;
  font-weight: 550;
}
.nav-item.active {
  background: #dfe9d7;
  color: #3d6249;
}
.nav-item.active:before {
  content: "";
  height: 18px;
  width: 3px;
  position: absolute;
  left: 21px;
  background: #5b7f4e;
  border-radius: 3px;
}
.nav-item:hover {
  background: #e6ebdf;
  color: #3d6249;
}
.nav-count {
  margin-left: auto;
  background: #d4865e;
  color: white;
  min-width: 20px;
  height: 20px;
  border-radius: 6px;
  text-align: center;
  font-size: 10px;
  line-height: 20px;
}
.sidebar-tip {
  margin: auto 0 20px;
  text-align: center;
  padding: 20px 0 4px;
}
.sidebar-tip p {
  font-size: 11px;
  color: #8a9688;
  line-height: 1.9;
  margin: 7px 0;
}
.sidebar-tip b {
  font-weight: 500;
  color: #62735e;
}
.sidebar-bottom {
  border-top: 1px solid #e1e5d9;
  padding-top: 14px;
}
.sidebar-bottom .nav-item {
  font-size: 12px;
  padding: 8px 14px;
}
.workspace {
  margin-left: 235px;
  min-height: 100vh;
}
.topbar {
  height: 84px;
  padding: 0 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: #fbfcf8;
}
.breadcrumb {
  font-size: 12px;
  color: #99a194;
  display: flex;
  align-items: center;
  gap: 12px;
}
.breadcrumb b {
  font-weight: 550;
  color: #536450;
}
.top-actions {
  display: flex;
  align-items: center;
  gap: 23px;
}
.edition-pill {
  font-size: 11px;
  border: 1px solid #e1e5db;
  border-radius: 8px;
  padding: 7px 10px;
}
.edition-pill span {
  font-size: 9px;
  color: #9c7b56;
  border-left: 1px solid #dddccf;
  padding-left: 8px;
  margin-left: 8px;
}
.star-total {
  display: flex;
  gap: 5px;
  align-items: center;
  font-size: 11px;
  color: #8a7860;
}
.star-total svg {
  color: #d7a24f;
}
.star-total b {
  font-size: 15px;
  color: #5a604e;
}
.avatar {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: #efdfca;
  color: #8e7356;
  display: grid;
  place-items: center;
  font-weight: 650;
}
.mobile-menu {
  display: none;
}
.icon-button {
  border: 0;
  background: transparent;
  padding: 8px;
  border-radius: 6px;
}
main {
  padding: 34px 38px 50px;
  max-width: 1600px;
  margin: auto;
  min-height: calc(100vh - 140px);
}
footer {
  display: flex;
  justify-content: space-between;
  padding: 18px 38px 25px;
  max-width: 1600px;
  margin: auto;
  color: #9ca497;
  font-size: 10px;
  border-top: 1px solid var(--line);
}
.page-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
}
.eyebrow {
  font-size: 9px;
  letter-spacing: 2.4px;
  font-weight: 600;
  color: #8a9884;
  margin: 0 0 8px;
}
.page-heading .muted {
  margin: 8px 0 0;
  font-size: 12px;
}
.muted {
  color: var(--muted);
}
.tiny {
  font-size: 11px;
}
.caption {
  font-size: 11px;
  color: #8d968a;
  line-height: 1.8;
}
.caption a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 6px;
  background: #f0f3e9;
  color: #6c8465;
  font-size: 10px;
  line-height: 1.4;
  padding: 6px 9px;
  font-weight: 550;
}
.mint {
  background: var(--mint) !important;
  color: #5a795b;
}
.blue {
  background: var(--blue) !important;
  color: #6482a7;
}
.peach {
  background: var(--peach) !important;
  color: #bb835d;
}
.yellow {
  background: var(--yellow) !important;
  color: #b69950;
}
.lilac {
  background: var(--lilac) !important;
  color: #9c87ab;
}
.primary,
.secondary,
.small-button {
  border: 1px solid transparent;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 19px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  text-align: center;
  cursor: pointer;
}
.primary {
  color: white;
  background: #4a7159;
  box-shadow: 0 3px 0 #355840;
}
.primary:hover {
  background: #3c644c;
  color: white;
  transform: translateY(-1px);
}
.secondary {
  border: 1px solid #ccd8c8;
  background: #f6f9f1;
  color: #506b4f;
}
.secondary:hover {
  background: #eaf0e4;
}
.small-button {
  border-color: #e1e5d9;
  background: var(--surface);
  padding: 8px 12px;
  font-size: 11px;
}
.small-button:hover,
.small-button.selected {
  background: #e5eddf;
  border-color: #a5b69b;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 0;
  padding: 0;
  background: transparent;
  font-size: 11px;
  color: #5c7758;
  font-weight: 600;
}
.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.full {
  width: 100%;
  margin-top: 12px;
}
.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 266px;
  gap: 25px;
}
.dashboard-main {
  min-width: 0;
}
.hero {
  min-height: 308px;
  background: #e6eddf;
  border: 1px solid #dbe5d3;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-copy {
  position: relative;
  z-index: 2;
  padding: 28px 0 28px 28px;
  width: 60%;
  pointer-events: none;
}
.hero-copy > * {
  pointer-events: auto;
}
.hero .tag {
  background: #f6f8ee;
  color: #7c926d;
  font-size: 9px;
}
.hero h2 {
  font-size: 29px;
  font-weight: 750;
  line-height: 1.6;
  letter-spacing: 0.2px;
  margin: 13px 0 9px;
}
.hero h2 span {
  color: #c77d46;
  white-space: nowrap;
}
.hero p {
  font-size: 11px;
  color: #83917c;
  line-height: 1.9;
  margin: 0 0 20px;
}
.hero .primary {
  background: #f9fbf2;
  border: 1px solid #c4d2b8;
  color: #4d6e48;
  box-shadow: 0 3px 0 #c9d5be;
  font-size: 11px;
  padding: 10px 17px;
}
.hero-note {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #91a185;
  font-size: 8px;
  margin-top: 18px;
}
.hero-note svg {
  width: 11px;
  height: 11px;
  margin-left: 5px;
}
.hero-note svg:first-child {
  margin-left: 0;
}
.city-art {
  position: absolute;
  right: -24px;
  bottom: 0;
  width: 57%;
  height: 100%;
  max-height: 330px;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px;
  margin: 19px 0 28px;
}
.metric {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 18px 15px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 13px;
}
.metric-icon {
  width: 39px;
  height: 42px;
  border-radius: 10px;
  background: #f2f3e8;
  color: #8a9a6a;
  display: grid;
  place-items: center;
}
.metric:nth-child(2) .metric-icon {
  background: #eaf0f6;
  color: #7f9bbd;
}
.metric:nth-child(3) .metric-icon {
  background: #f9ecdc;
  color: #cba071;
}
.metric > div {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.metric strong {
  font-size: 23px;
  font-family: "Avenir Next", Georgia, serif;
  font-weight: 600;
  line-height: 1.2;
}
.metric strong small {
  font-size: 12px;
  color: #9da58f;
  font-weight: 400;
}
.metric > div > span {
  font-size: 9px;
  color: #8e9886;
  margin-top: 6px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  margin-bottom: 17px;
}
.section-heading h2 {
  font-size: 16px;
}
.section-heading h3 {
  font-size: 14px;
}
.handwritten {
  font-family: "Kaiti SC", STKaiti, serif;
  color: #b4bda7;
  font-size: 12px;
  font-weight: 400;
  margin-left: 12px;
  display: inline-block;
  transform: rotate(-3deg);
}
.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.mission-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  position: relative;
}
.mission-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}
.step-circle {
  font-family: Georgia, serif;
  font-size: 12px;
  font-weight: 600;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
}
.mission-card h3 {
  font-size: 15px;
}
.mission-card p {
  font-size: 11px;
  color: #8a9484;
  margin: 10px 0 20px;
  min-height: 40px;
}
.mission-card > .text-link {
  font-size: 10px;
}
.curriculum-section {
  margin-top: 28px;
}
.map-preview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  background: #f0f3e9;
  border: 1px dashed #d7dfcc;
  border-radius: 15px;
  padding: 17px 12px;
  position: relative;
}
.map-stop {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  background: transparent !important;
  position: relative;
  padding: 7px 0;
}
.map-stop:after {
  content: "";
  position: absolute;
  right: -10px;
  top: 22px;
  width: 14px;
  border-bottom: 2px dotted #ced8c3;
}
.map-stop:last-child:after {
  display: none;
}
.map-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: white;
  font-family: Georgia, serif;
  font-size: 11px;
  border: 1px solid #dbe3d0;
}
.map-stop > svg {
  opacity: 0.8;
}
.map-stop strong {
  font-size: 10px;
  line-height: 1.5;
  font-weight: 600;
  color: #5c7052;
  min-height: 30px;
  max-width: 90px;
}
.map-stop > span:last-child {
  font-size: 8px;
  color: #8c9c82;
  margin-top: -6px;
}
.right-rail {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.daily-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 17px;
  padding: 22px;
}
.daily-card .section-heading > svg {
  color: #a1ad96;
}
.goal-circle {
  --pct: 0;
  width: 146px;
  height: 146px;
  margin: 25px auto 16px;
  border-radius: 50%;
  background: conic-gradient(#7c9d65 calc(var(--pct) * 1%), #edf0e5 0);
  display: grid;
  place-items: center;
  transform: rotate(-3deg);
}
.goal-circle > div {
  width: 125px;
  height: 125px;
  border-radius: 50%;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform: rotate(3deg);
}
.goal-circle b {
  font-family: "Avenir Next", Georgia, serif;
  font-size: 36px;
  color: #4f6b45;
  line-height: 1.2;
  font-weight: 600;
}
.goal-circle small {
  font-size: 16px;
  color: #aab5a0;
  font-weight: 400;
}
.goal-circle span {
  font-size: 10px;
  color: #99a28d;
  margin-top: 6px;
}
.daily-card > p {
  font-size: 10px;
  text-align: center;
  color: #8c9880;
  border-bottom: 1px dashed #e1e5d8;
  padding-bottom: 18px;
}
.daily-check {
  font-size: 10px;
  color: #87947e;
  padding: 7px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.daily-check > span {
  color: #83a071;
  font-size: 15px;
}
.thinking-card {
  background: #f4eada;
  border: 1px solid #eddfc8;
  border-radius: 17px;
  padding: 21px;
  overflow: hidden;
  position: relative;
}
.thinking-card .tag {
  background: #fcf4e4;
  color: #aa8b5d;
  font-size: 9px;
}
.thinking-card h3 {
  margin: 13px 0 0;
  font-size: 17px;
  font-weight: 600;
  color: #8f754e;
  line-height: 1.5;
}
.thinking-card p {
  color: #aa9678;
  font-size: 10px;
  margin: 12px 0 18px;
}
.thinking-card .text-link {
  color: #a5895e;
  font-size: 10px;
}
.triangle-art {
  position: absolute;
  right: 12px;
  top: 77px;
  width: 75px;
  height: 70px;
  transform: rotate(10deg);
}
.triangle-art span {
  display: block;
  width: 0;
  height: 0;
  border-left: 35px solid transparent;
  border-right: 35px solid transparent;
  border-bottom: 55px solid #dfbc8c;
  position: absolute;
}
.triangle-art span:last-child {
  transform: rotate(180deg) translate(-14px, -20px);
  opacity: 0.45;
}
.rail-note {
  display: flex;
  gap: 10px;
  padding: 2px 8px;
  color: #b6bca9;
}
.rail-note > svg {
  margin-top: 2px;
  width: 18px;
}
.rail-note b {
  font-size: 11px;
  color: #7f8d72;
}
.rail-note p {
  font-size: 10px;
  color: #9ca68e;
  margin: 7px 0;
}
.rail-note .text-link {
  font-size: 10px;
}
.resume-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid #d7dfce;
  background: #edf4e7;
  padding: 12px 17px;
  border-radius: 12px;
  margin-bottom: 23px;
  font-size: 12px;
}
.resume-banner > a {
  margin-left: auto;
}
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 22px;
}
.panel > h2 {
  margin-bottom: 16px;
}
.notice {
  display: flex;
  gap: 15px;
  align-items: center;
  border: 1px solid #dce5d4;
  border-radius: 13px;
  background: #eef3e9;
  padding: 18px 21px;
  margin: 0 0 24px;
}
.notice > svg {
  color: #7b9671;
}
.notice > div {
  flex: 1;
}
.notice b {
  font-size: 12px;
}
.notice p {
  font-size: 11px;
  color: #84937d;
  margin: 5px 0 0;
}
.notice.warm {
  background: #fbf1df;
  border-color: #eaddc4;
}
.notice.warm p {
  color: #a09075;
}
.unit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.unit-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
}
.unit-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 23px;
}
.unit-symbol {
  display: grid;
  place-items: center;
  width: 57px;
  height: 57px;
  border-radius: 16px;
}
.unit-index {
  font-size: 10px;
  letter-spacing: 2px;
  color: #b1b9a7;
}
.unit-card h2 {
  font-size: 18px;
  margin: 7px 0 10px;
}
.unit-card > p {
  font-size: 12px;
  color: var(--muted);
  min-height: 40px;
}
.chips {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  margin-top: auto;
  margin-bottom: 25px;
}
.chips > span {
  background: #f5f5ef;
  color: #9a9d8a;
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 9px;
}
.unit-progress {
  font-size: 9px;
  color: #a2ab96;
  display: flex;
  justify-content: space-between;
  gap: 5px;
  margin-bottom: 8px;
}
.progress-track {
  height: 5px;
  border-radius: 10px;
  background: #eef0e7;
  overflow: hidden;
}
.progress-track > span {
  display: block;
  height: 100%;
  border-radius: 10px;
  background: #90ab79;
  transition: width 0.3s;
}
.unit-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
  gap: 8px;
}
.lesson-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(310px, 1fr);
  gap: 25px;
}
.lesson-intro h2 {
  font-size: 18px;
}
.concept {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 23px;
}
.concept > span {
  width: 26px;
  height: 26px;
  background: #e9eee3;
  color: #809a6b;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 12px;
}
.concept h3 {
  font-size: 15px;
}
.concept p {
  font-size: 13px;
  line-height: 1.95;
  color: #7f8b79;
  margin-top: 8px;
}
.worked-example .tag {
  margin-bottom: 14px;
}
.worked-example h2 {
  font-size: 17px;
  line-height: 1.8;
}
.steps {
  padding: 0;
  margin: 20px 0;
  list-style: none;
  counter-reset: steps;
}
.steps li {
  counter-increment: steps;
  position: relative;
  padding-left: 30px;
  margin: 15px 0;
  font-size: 13px;
  color: #6f7f68;
  line-height: 1.9;
}
.steps li:before {
  content: counter(steps);
  position: absolute;
  left: 0;
  top: 0;
  background: #edf1e8;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 10px;
  color: #8b9d79;
}
.transfer-note {
  display: flex;
  gap: 10px;
  background: #f4efe3;
  border-radius: 9px;
  padding: 14px;
  color: #b2a17d;
}
.transfer-note b {
  font-size: 12px;
  color: #9b8a61;
}
.transfer-note p {
  font-size: 12px;
  margin: 6px 0 0;
  color: #a69777;
}
.lab-panel {
  padding: 22px;
}
.lab-panel .section-heading h2 {
  font-size: 16px;
}
.lab-panel > p {
  font-size: 11px;
}
.lab-panel svg:not(.section-heading svg):not(button svg) {
  max-width: 100%;
  width: 100%;
  height: auto;
  max-height: 250px;
}
.lab-panel svg text,
.question-figure svg text {
  font-family: "PingFang SC", sans-serif;
  font-size: 13px;
  fill: #6e8064;
}
.range-label {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 7px;
  font-size: 11px;
  color: #839274;
  margin: 14px 0;
}
.range-label input {
  grid-column: span 2;
  width: 100%;
  accent-color: #7e9d6c;
}
.lab-answer {
  font-size: 13px;
  background: #f0f4e9;
  padding: 14px;
  border-radius: 9px;
  color: #82956f;
  margin-top: 16px;
}
.lab-answer b {
  color: #4e6e3d;
}
.lab-answer small {
  font-size: 10px;
}
.lab-buttons {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}
.lab-buttons button {
  font-size: 10px;
  flex: 1;
  padding: 7px 5px;
}
.pitfall {
  display: flex;
  gap: 13px;
  background: #f7eadb;
  border: 1px solid #eddcc8;
  border-radius: 13px;
  padding: 17px 20px;
  color: #c0976f;
  margin-bottom: 22px;
}
.pitfall b {
  font-size: 12px;
}
.pitfall p {
  font-size: 12px;
  margin: 7px 0 0;
}
.lesson-grid aside .panel > p {
  font-size: 12px;
}
.practice-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 24px;
  margin-bottom: 10px;
}
form label {
  display: block;
  color: #74816c;
  font-size: 12px;
  font-weight: 550;
  margin-bottom: 20px;
}
select,
input[type="text"],
input:not([type]),
textarea {
  display: block;
  width: 100%;
  border: 1px solid #dce2d4;
  border-radius: 8px;
  padding: 11px 13px;
  background: #fcfdf9;
  color: #53674b;
  font-weight: 400;
  margin-top: 8px;
  line-height: 1.6;
}
select {
  cursor: pointer;
  font-size: 12px;
  padding-right: 28px;
}
textarea {
  min-height: 110px;
  resize: vertical;
  font-size: 13px;
}
.inline-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.practice-builder h2 {
  font-size: 18px;
}
.exam-card .tag {
  margin-bottom: 17px;
}
.exam-card > p {
  font-size: 13px;
  color: #8c9682;
}
.bank-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 13px;
}
.bank-unit {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  border: 1px solid #e3e7de;
  border-radius: 12px;
  padding: 18px;
  text-align: left;
}
.bank-unit b {
  font-size: 11px;
  flex: 1;
}
.bank-unit > span {
  width: 100%;
  font-size: 10px;
  display: flex;
  justify-content: space-between;
}
.bank-unit:hover {
  filter: brightness(0.97);
  transform: translateY(-2px);
}
.empty {
  text-align: center;
  padding: 65px 30px;
}
.empty h2 {
  font-size: 22px;
  margin: 14px 0;
}
.empty p {
  color: #929c88;
  font-size: 12px;
  margin: 12px 0 25px;
}
.empty.small {
  padding: 20px;
}
.inline-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: #91a082;
}
.inline-label select {
  width: 120px;
  margin: 0;
  padding: 6px 10px;
}
.mistake-row {
  display: flex;
  gap: 20px;
  align-items: center;
  padding: 23px 0;
  border-top: 1px solid var(--line);
}
.mistake-row > div {
  flex: 1;
}
.mistake-row h3 {
  font-size: 14px;
  line-height: 1.9;
  margin: 8px 0;
}
.mistake-row p {
  margin-bottom: 0;
}
.challenge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.challenge-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 18px;
  padding: 25px;
}
.challenge-number {
  position: absolute;
  right: 25px;
  top: 20px;
  font-size: 38px;
  font-family: Georgia, serif;
  font-style: italic;
  color: #e6e9dd;
}
.challenge-card h2 {
  font-size: 21px;
  margin-top: 20px;
}
.challenge-card > p {
  color: #9b9f88;
  font-size: 12px;
}
.challenge-card details {
  font-size: 12px;
  margin: 7px 0 22px;
  color: #83916f;
}
.challenge-card > button {
  margin-top: auto;
}
.challenge-card details p {
  line-height: 1.9;
  margin-top: 14px;
}
.mini-example {
  background: #f2f4eb;
  padding: 12px;
  border-radius: 9px;
  color: #899572;
  font-size: 11px;
  line-height: 1.9;
}
summary {
  cursor: pointer;
  color: #79916d;
  font-size: 12px;
  line-height: 1.8;
}
.report-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 1fr);
  gap: 24px;
}
.mastery-row {
  display: grid;
  grid-template-columns: 1fr 65px;
  gap: 8px;
  margin: 25px 0;
}
.mastery-row > div:first-child {
  grid-column: span 2;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 11px;
}
.mastery-row b {
  font-size: 12px;
  font-weight: 550;
}
.mastery-row > div:first-child > span {
  color: #9ba98d;
  font-size: 10px;
}
.mastery-row .progress-track {
  align-self: center;
}
.mastery-value {
  text-align: right;
  color: #a5ae97;
  font-size: 10px;
  line-height: 1.2;
}
.coach-message {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 25px 0;
}
.coach-message b {
  font-size: 13px;
  color: #748e5e;
}
.coach-message p {
  font-size: 11px;
  color: #92a080;
  margin: 6px 0;
}
.parent-tips {
  padding-left: 20px;
  font-size: 12px;
  color: #8d9a7d;
  line-height: 2.1;
}
.parent-tips li {
  margin-bottom: 10px;
}
.badges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 16px;
}
.badge {
  background: #f3f4ee;
  border: 1px dashed #e1e5d7;
  border-radius: 12px;
  padding: 16px 6px;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 8px;
  color: #b2b8a6;
  font-size: 10px;
  filter: grayscale(1);
}
.badge.earned {
  background: #f8edcd;
  color: #b28e43;
  filter: none;
  border-color: #e9d6a7;
}
.badge small {
  font-size: 8px;
  color: #a7ae98;
}
.session-list > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: #91a07f;
}
.session-list b {
  font-size: 11px;
  font-weight: 500;
}
.data-panel {
  display: flex;
  gap: 30px;
  align-items: center;
}
.data-panel > div:first-child {
  flex: 1;
}
.data-panel > div:last-child {
  width: 250px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.data-panel > div > p {
  font-size: 12px;
  color: #91a07f;
}
.file-label {
  margin: 0;
  font-weight: 500;
}
.file-label input {
  display: none;
}
.settings-panel {
  max-width: 740px;
}
.settings-panel form {
  max-width: 600px;
  margin: auto;
}
.edition-check {
  padding: 20px;
  background: #f1f3e9;
  border: 1px solid #e5e9d9;
  border-radius: 12px;
  margin-bottom: 25px;
}
.edition-check b {
  font-size: 13px;
}
.edition-check p {
  font-size: 12px;
  color: #8a9977;
  line-height: 2;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  font-size: 11px;
}
.checkbox-label input {
  accent-color: #7b9a68;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.source-row {
  display: flex;
  align-items: flex-start;
  gap: 17px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.source-row .tag {
  flex-shrink: 0;
}
.source-row h3 {
  font-size: 14px;
}
.source-row a {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.source-row p {
  font-size: 12px;
  color: #92a080;
  margin: 8px 0;
}
.source-row:last-child {
  border: 0;
}
.source-row ~ p,
.panel > p {
  line-height: 1.95;
}
.study-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 245px;
  gap: 25px;
  align-items: start;
}
.question-panel {
  padding: 28px 32px;
  min-height: 520px;
}
.question-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  color: #9da88e;
  margin-bottom: 16px;
}
.question-meta > span:last-child {
  margin-left: auto;
  font-size: 12px;
}
.question-panel > h2 {
  font-size: 21px;
  font-weight: 600;
  line-height: 1.9;
  letter-spacing: 0.3px;
  margin: 28px 0;
}
.question-panel > .progress-track {
  height: 4px;
}
.question-figure {
  margin: 20px auto;
  max-width: 340px;
  text-align: center;
}
.question-figure svg {
  width: 100%;
  max-height: 210px;
}
.question-figure .caption {
  display: block;
  font-size: 10px;
}
.answer-label {
  font-size: 12px;
  color: #6d8260;
}
.answer-input {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 12px;
}
.answer-input input {
  max-width: 260px;
  margin: 0;
  font-size: 21px;
  padding: 12px;
  background: #fcfdf8;
  border: 2px solid #dce5d3;
}
.answer-input > span {
  font-size: 13px;
  color: #a0ab8f;
}
.answer-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}
.options {
  display: grid;
  gap: 12px;
  margin: 25px 0;
}
.option {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid #e2e7d9;
  border-radius: 12px;
  padding: 17px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 400;
  margin: 0;
}
.option:hover,
.option.selected {
  background: #edf4e6;
  border-color: #adc19a;
}
.option input {
  accent-color: #689654;
  width: 16px;
  height: 16px;
}
.option > span {
  width: 26px;
  height: 26px;
  background: #f0f3e7;
  border-radius: 7px;
  display: grid;
  place-items: center;
  color: #93a27d;
  font-size: 11px;
}
.option b {
  font-size: 13px;
  line-height: 1.8;
  font-weight: 500;
}
.navigator {
  padding: 22px;
}
.navigator h3 {
  font-size: 13px;
}
.question-dots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
  margin: 20px 0;
}
.question-dot {
  width: 100%;
  aspect-ratio: 1;
  max-width: 43px;
  border-radius: 9px;
  border: 1px solid #e2e6d8;
  background: #f6f7f1;
  color: #a0ac8d;
  font-size: 12px;
}
.question-dot.current {
  outline: 2px solid #879e74;
  outline-offset: 2px;
}
.question-dot.correct {
  background: #e1edd8;
  border-color: #bacfa9;
  color: #6d8b56;
}
.question-dot.wrong {
  background: #f5e3cf;
  color: #b59364;
  border-color: #e0c7a7;
}
.question-dot.filled {
  background: #e3edf6;
  border-color: #b4ccdf;
  color: #688cad;
}
.coach-bubble {
  text-align: center;
  padding: 10px 20px;
}
.coach-bubble h3 {
  margin-top: 7px;
  font-size: 14px;
  color: #82956d;
}
.coach-bubble p {
  font-size: 11px;
  color: #a0ad91;
  margin: 12px 0;
  line-height: 1.9;
}
.exam-clock {
  font-size: 16px;
  color: #8f986d;
  font-variant-numeric: tabular-nums;
}
.hint-box {
  background: #f9f0dc;
  border: 1px solid #ecdfbf;
  border-radius: 12px;
  padding: 18px;
  margin-top: 23px;
  font-size: 12px;
  color: #a28f64;
}
.hint-box b {
  display: flex;
  gap: 7px;
  align-items: center;
  font-size: 12px;
}
.hint-box p {
  margin: 12px 0;
}
.input-error {
  color: #bd774a;
  font-size: 12px;
  margin-top: 12px;
}
.feedback {
  padding: 20px 23px;
  background: #edf4e6;
  border: 1px solid #d8e4cc;
  border-radius: 13px;
  margin-top: 25px;
}
.feedback.retry {
  background: #fbf0e0;
  border-color: #eddac1;
}
.feedback h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #718d59;
  font-size: 15px;
  line-height: 1.7;
}
.feedback.retry h3 {
  color: #b58953;
}
.feedback p {
  font-size: 12px;
  color: #92a17e;
  margin: 12px 0;
}
.feedback.retry p {
  color: #ac987a;
}
.feedback .steps li {
  font-size: 12px;
}
.feedback details {
  margin: 16px 0;
}
.reason-label {
  margin: 17px 0;
  color: #a29070;
  font-size: 11px;
}
.reason-label select {
  max-width: 210px;
  padding: 6px 9px;
  font-size: 11px;
}
.scratch {
  margin-top: 27px;
  border-top: 1px dashed #e1e6d6;
  padding-top: 16px;
}
.scratch summary {
  font-size: 11px;
  color: #a1ab94;
}
.table-wrap {
  overflow-x: auto;
  margin: 24px 0;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
  text-align: center;
  color: #7b8c6c;
}
caption {
  font-size: 11px;
  color: #9aa68d;
  margin-bottom: 10px;
}
th,
td {
  padding: 12px;
  border: 1px solid #dce3d2;
}
th {
  background: #eef2e6;
  font-weight: 600;
}
.decimal-visual {
  text-align: center;
  margin: 35px auto;
  color: #8ba17a;
}
.decimal-visual > svg {
  width: 60px !important;
  height: 60px !important;
  margin-bottom: 25px;
}
.decimal-visual strong {
  display: block;
  font-size: 28px;
  color: #789363;
  font-weight: 600;
  letter-spacing: 2px;
}
.decimal-visual p {
  font-size: 12px;
}
.ball-bag,
.draw-results {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 20px;
  border-radius: 15px;
  background: #eef2e8;
  margin: 20px 0;
}
.ball {
  width: 23px;
  height: 23px;
  border-radius: 50%;
  display: inline-block;
  border: 2px solid #b7c4a7;
  box-shadow: inset -3px -3px 0 #00000008;
}
.ball.red {
  background: #edab8f;
  border-color: #ce8c6f;
}
.ball.blue {
  background: #9ebadf !important;
  border-color: #7f9fc7;
}
.draw-results .ball {
  width: 13px;
  height: 13px;
}
.draw-results {
  padding: 12px;
  background: transparent;
  min-height: 50px;
  margin: 8px 0;
}
.number-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  margin: 22px 0;
}
.number-grid > span {
  display: grid;
  place-items: center;
  background: #f3f5ed;
  color: #abb59b;
  border-radius: 7px;
  height: 32px;
  font-size: 11px;
}
.number-grid .is-factor {
  background: #dfead3;
  color: #68884e;
  border: 1px solid #b8cba1;
  font-weight: 700;
}
.result-hero {
  display: flex;
  align-items: center;
  gap: 35px;
  padding: 35px;
}
.result-hero h2 {
  font-size: 23px;
}
.result-hero p {
  font-size: 13px;
  color: #8b9d78;
}
.result-item {
  padding: 18px 23px;
}
.result-item summary {
  display: flex;
  gap: 15px;
  align-items: center;
  list-style: none;
}
.result-item summary > span:nth-child(2) {
  flex: 1;
  min-width: 0;
}
.result-item summary b {
  display: block;
  font-size: 13px;
  color: #718563;
}
.result-item summary small {
  display: block;
  font-size: 11px;
  color: #99a68c;
  margin-top: 6px;
}
.result-item summary > span:last-child {
  font-size: 10px;
  white-space: nowrap;
  color: #a9a184;
}
.result-item > p {
  font-size: 12px;
}
.answer-status {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #f5e9d7;
  color: #c5a070;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.answer-status.good {
  background: #e4edd8;
  color: #88a468;
}
#toast {
  position: fixed;
  bottom: 30px;
  left: calc(50% + 100px);
  transform: translate(-50%, 20px);
  background: #3e5948;
  color: #fafbf6;
  border-radius: 10px;
  padding: 13px 22px;
  box-shadow: 0 7px 30px #213b3020;
  opacity: 0;
  pointer-events: none;
  transition: 0.2s;
  z-index: 100;
  font-size: 12px;
  max-width: min(600px, 90vw);
}
#toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}
#storage-warning {
  position: fixed;
  bottom: 0;
  left: 235px;
  right: 0;
  background: #fff0cc;
  color: #82652c;
  text-align: center;
  padding: 13px;
  z-index: 100;
  font-size: 12px;
}
.print-sheet {
  display: none;
}
@keyframes arrive {
  from {
    opacity: 0;
    transform: translateY(7px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
main > div,
main > section {
  animation: arrive 0.3s ease both;
}
main > div:nth-child(2) {
  animation-delay: 0.04s;
}
main > section:nth-child(3) {
  animation-delay: 0.08s;
}
@media (min-width: 1550px) {
  .hero h2 {
    font-size: 36px;
  }
  .hero-copy {
    padding-left: 35px;
  }
  .hero {
    min-height: 350px;
  }
  .hero p {
    font-size: 13px;
  }
  .hero-note {
    font-size: 10px;
  }
  .hero-copy {
    width: 59%;
  }
  .city-art {
    width: 59%;
  }
  .metric {
    padding: 22px;
  }
  .mission-card p {
    font-size: 12px;
  }
}
@media (max-width: 1250px) {
  .sidebar {
    width: 210px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .workspace {
    margin-left: 210px;
  }
  .topbar {
    padding: 0 25px;
  }
  main {
    padding: 28px 25px 40px;
  }
  .dashboard-grid {
    grid-template-columns: minmax(0, 1fr) 235px;
    gap: 20px;
  }
  .hero h2 {
    font-size: 25px;
  }
  .hero-copy {
    padding-left: 22px;
    width: 65%;
  }
  .city-art {
    right: -45px;
    opacity: 0.83;
  }
  .hero-note {
    font-size: 7px;
  }
  .hero-copy > p {
    font-size: 10px;
  }
  .daily-card {
    padding: 20px 15px;
  }
  .unit-grid {
    gap: 16px;
  }
  .unit-card {
    padding: 20px;
  }
  .unit-card h2 {
    font-size: 16px;
  }
  .unit-card .tiny {
    font-size: 9px;
  }
  .metric {
    padding: 17px 10px;
    gap: 8px;
  }
  .metric-icon {
    width: 34px;
    height: 36px;
  }
  .metric-icon svg {
    width: 20px;
  }
  .section-heading h2 {
    font-size: 15px;
  }
  .handwritten {
    display: none;
  }
  .study-grid {
    grid-template-columns: minmax(0, 1fr) 220px;
  }
  .question-panel {
    padding: 25px;
  }
  .bank-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  #storage-warning {
    left: 210px;
  }
}
@media (max-width: 1080px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .right-rail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .rail-note {
    grid-column: span 2;
  }
  .goal-circle {
    width: 120px;
    height: 120px;
    margin: 15px auto;
  }
  .goal-circle > div {
    width: 104px;
    height: 104px;
  }
  .daily-card > p {
    margin: 10px 0;
    padding-bottom: 10px;
  }
  .thinking-card {
    min-height: 280px;
  }
  .thinking-card h3 {
    font-size: 25px;
  }
  .triangle-art {
    top: 100px;
    right: 30px;
  }
  .hero {
    min-height: 315px;
  }
  .city-art {
    right: -10px;
    width: 53%;
    opacity: 1;
  }
  .hero h2 {
    font-size: 30px;
  }
  .hero-copy {
    width: 62%;
  }
  .hero p {
    font-size: 12px;
  }
  .hero-note {
    font-size: 9px;
  }
  .unit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .lesson-grid {
    grid-template-columns: 1fr;
  }
  .lesson-grid > aside {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: start;
  }
  .lesson-grid aside .lab-panel {
    grid-row: span 2;
  }
  .practice-layout {
    grid-template-columns: 280px 1fr;
    gap: 18px;
  }
  .inline-fields {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .challenge-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .report-grid {
    grid-template-columns: 1fr;
  }
  .report-grid .panel {
    margin-bottom: 0;
  }
  .report-grid {
    margin-bottom: 24px;
  }
  .study-grid {
    grid-template-columns: 1fr;
  }
  .study-grid > aside {
    grid-row: 1;
  }
  .study-grid > aside .navigator {
    display: flex;
    gap: 18px;
    align-items: center;
    padding: 16px 20px;
    margin: 0;
  }
  .question-dots {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    flex: 1;
    gap: 7px;
  }
  .question-dot {
    width: 29px;
    height: 29px;
    max-width: 29px;
    aspect-ratio: auto;
    font-size: 10px;
  }
  .navigator h3 {
    white-space: nowrap;
    font-size: 11px;
  }
  .navigator > .caption,
  .coach-bubble {
    display: none;
  }
  .navigator .primary {
    width: auto;
    margin: 0;
    white-space: nowrap;
    font-size: 10px;
    padding: 9px 12px;
  }
  .exam-clock {
    font-size: 12px;
  }
  .question-panel {
    min-height: 0;
  }
  .top-actions {
    gap: 15px;
  }
  .edition-pill {
    font-size: 9px;
  }
  .star-total span {
    display: none;
  }
  .settings-panel .inline-fields {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}
@media (max-width: 760px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.2s;
    box-shadow: 5px 0 30px #2b3e3020;
    width: 230px;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-tip {
    display: none;
  }
  .sidebar-bottom {
    margin-top: auto;
  }
  .workspace {
    margin-left: 0;
  }
  .topbar {
    height: 66px;
    padding: 0 18px;
    gap: 10px;
  }
  .mobile-menu {
    display: block;
  }
  .breadcrumb {
    margin-right: auto;
    font-size: 11px;
    gap: 7px;
  }
  .breadcrumb > b {
    font-size: 11px;
  }
  .top-actions {
    gap: 13px;
  }
  .edition-pill {
    display: none;
  }
  .avatar {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }
  .star-total b {
    font-size: 12px;
  }
  main {
    padding: 25px 18px 30px;
  }
  .page-heading {
    margin-bottom: 22px;
    align-items: flex-start;
    gap: 12px;
    flex-wrap: wrap;
  }
  h1 {
    font-size: 23px;
  }
  .page-heading .muted {
    font-size: 11px;
  }
  .page-heading > .secondary {
    font-size: 10px;
    padding: 8px 10px;
  }
  .eyebrow {
    font-size: 8px;
    letter-spacing: 1.8px;
  }
  .hero {
    min-height: 340px;
    align-items: flex-start;
  }
  .hero-copy {
    padding: 23px 17px;
    width: 100%;
  }
  .hero h2 {
    font-size: 24px;
  }
  .hero p {
    font-size: 11px;
    margin-bottom: 15px;
    max-width: 210px;
  }
  .city-art {
    width: 50%;
    height: 44%;
    right: -18px;
    bottom: 0;
    opacity: 0.75;
  }
  .hero-note {
    margin-top: 16px;
    font-size: 7px;
  }
  .hero .primary {
    margin-top: 7px;
  }
  .hero h2 span {
    white-space: nowrap;
  }
  .metrics {
    gap: 8px;
    margin: 15px 0 24px;
  }
  .metric {
    padding: 14px 10px;
    border-radius: 11px;
    display: block;
  }
  .metric-icon {
    width: 27px;
    height: 27px;
    display: none;
  }
  .metric strong {
    font-size: 23px;
  }
  .metric strong small {
    font-size: 11px;
  }
  .metric > div > span {
    font-size: 9px;
    line-height: 1.5;
  }
  .mission-grid {
    gap: 12px;
  }
  .mission-card {
    padding: 17px;
  }
  .mission-card h3 {
    font-size: 14px;
  }
  .mission-top {
    display: block;
  }
  .mission-top > .tiny {
    font-size: 8px;
    display: block;
    margin-top: 10px;
  }
  .mission-card p {
    font-size: 10px;
    min-height: 60px;
  }
  .section-heading h2 {
    font-size: 15px;
  }
  .section-heading .text-link {
    font-size: 9px;
  }
  .map-preview {
    padding: 14px 5px;
    gap: 4px;
  }
  .map-stop > svg {
    width: 25px;
    height: 25px;
  }
  .map-stop strong {
    font-size: 9px;
    min-height: 30px;
    max-width: 75px;
  }
  .map-stop > span:last-child {
    font-size: 7px;
    line-height: 1.5;
    padding: 0 2px;
  }
  .map-stop:after {
    right: -7px;
    width: 11px;
  }
  .daily-card {
    padding: 18px;
  }
  .right-rail {
    gap: 13px;
    grid-template-columns: 1fr 1fr;
  }
  .daily-card .section-heading h3 {
    font-size: 12px;
  }
  .daily-card .section-heading > svg {
    width: 16px;
  }
  .daily-check {
    font-size: 9px;
    gap: 7px;
  }
  .thinking-card {
    padding: 17px;
    min-height: 320px;
  }
  .thinking-card .tag {
    font-size: 8px;
  }
  .thinking-card h3 {
    font-size: 20px;
  }
  .triangle-art {
    position: relative;
    top: auto;
    right: auto;
    margin: 25px auto 15px;
    height: 62px;
  }
  .thinking-card p {
    font-size: 9px;
  }
  .thinking-card .text-link {
    font-size: 9px;
  }
  .rail-note {
    padding: 10px;
  }
  .panel {
    padding: 21px;
    border-radius: 14px;
  }
  .notice {
    padding: 16px;
    gap: 10px;
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .notice > svg {
    width: 18px;
  }
  .notice b {
    font-size: 11px;
  }
  .notice p {
    font-size: 10px;
  }
  .notice > a {
    margin-left: 30px;
  }
  .unit-grid {
    gap: 13px;
  }
  .unit-card {
    padding: 17px;
    border-radius: 13px;
  }
  .unit-symbol {
    width: 45px;
    height: 45px;
    border-radius: 12px;
  }
  .unit-symbol > svg {
    width: 25px;
    height: 25px;
  }
  .unit-index {
    font-size: 8px;
    letter-spacing: 1px;
  }
  .unit-card-top {
    margin-bottom: 16px;
  }
  .unit-card h2 {
    font-size: 15px;
  }
  .unit-card > p {
    font-size: 10px;
    min-height: 48px;
  }
  .chips {
    gap: 4px;
    margin-bottom: 18px;
  }
  .chips > span {
    font-size: 8px;
  }
  .unit-progress {
    flex-direction: column;
    font-size: 8px;
    gap: 3px;
  }
  .unit-bottom {
    flex-wrap: wrap;
    margin-top: 15px;
  }
  .unit-bottom .small-button {
    font-size: 9px;
    padding: 7px 9px;
  }
  .unit-bottom > .tiny {
    font-size: 8px;
  }
  .lesson-grid > aside {
    grid-template-columns: 1fr;
  }
  .lesson-grid aside .lab-panel {
    grid-row: auto;
  }
  .concept p {
    font-size: 12px;
  }
  .concept h3 {
    font-size: 14px;
  }
  .practice-layout {
    grid-template-columns: 1fr;
  }
  .inline-fields {
    grid-template-columns: 1fr 1fr;
    gap: 13px;
  }
  .exam-card > .caption {
    font-size: 10px;
  }
  .bank-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .bank-unit {
    padding: 15px;
    font-size: 10px;
  }
  .bank-unit b {
    font-size: 10px;
  }
  .bank-unit > svg {
    width: 18px;
    height: 18px;
  }
  .bank-unit > span {
    font-size: 9px;
  }
  .challenge-grid {
    gap: 13px;
  }
  .challenge-card {
    padding: 18px;
  }
  .challenge-card h2 {
    font-size: 19px;
  }
  .challenge-card > p {
    font-size: 10px;
    min-height: 40px;
  }
  .challenge-card details {
    font-size: 11px;
  }
  .challenge-card summary {
    font-size: 10px;
  }
  .challenge-card .small-button {
    font-size: 9px;
    padding: 8px;
  }
  .challenge-number {
    font-size: 29px;
    right: 18px;
  }
  .mini-example {
    font-size: 10px;
  }
  .data-panel {
    display: block;
  }
  .data-panel > div:last-child {
    width: 100%;
  }
  .data-panel .caption {
    font-size: 10px;
  }
  .mastery-row > div:first-child b {
    font-size: 10px;
  }
  .mastery-row > div:first-child span {
    font-size: 8px;
  }
  .session-list > div {
    font-size: 10px;
    gap: 12px;
  }
  .session-list b {
    font-size: 9px;
  }
  .settings-panel .inline-fields {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .source-row {
    flex-direction: column;
    gap: 10px;
  }
  .source-row h3 {
    font-size: 12px;
  }
  .source-row p {
    font-size: 11px;
  }
  .study-grid {
    gap: 14px;
  }
  .study-grid > aside .navigator {
    padding: 14px;
    flex-wrap: wrap;
    gap: 12px;
  }
  .navigator h3 {
    width: 100%;
  }
  .question-dots {
    flex: none;
    width: 100%;
  }
  .navigator > .primary {
    margin-top: 3px;
  }
  .question-panel {
    padding: 21px;
  }
  .question-meta {
    flex-wrap: wrap;
    gap: 6px;
    font-size: 8px;
  }
  .question-meta > span:last-child {
    font-size: 11px;
  }
  .question-panel > h2 {
    font-size: 18px;
    line-height: 1.9;
  }
  .question-figure svg {
    max-height: 185px;
  }
  .options {
    gap: 10px;
  }
  .option {
    padding: 13px 10px;
    gap: 8px;
  }
  .option b {
    font-size: 12px;
  }
  .option input {
    width: 14px;
    height: 14px;
  }
  .answer-input input {
    max-width: 200px;
    font-size: 18px;
  }
  .answer-actions {
    gap: 10px;
  }
  .answer-actions > button,
  .answer-actions > a {
    font-size: 10px;
    padding: 10px 12px;
  }
  .feedback {
    padding: 17px;
    margin-top: 20px;
  }
  .feedback h3 {
    font-size: 13px;
  }
  .feedback p {
    font-size: 11px;
  }
  .feedback .steps li {
    font-size: 11px;
  }
  .result-hero {
    display: block;
    text-align: center;
    padding: 25px;
  }
  .result-hero h2 {
    font-size: 20px;
    margin-top: 12px;
  }
  .result-hero p {
    font-size: 11px;
  }
  .result-hero .answer-actions {
    justify-content: center;
  }
  .result-item {
    padding: 16px;
  }
  .result-item summary {
    gap: 10px;
  }
  .result-item summary b {
    font-size: 11px;
  }
  .result-item summary small {
    font-size: 10px;
  }
  .result-item summary > span:last-child {
    font-size: 8px;
  }
  .mistake-row {
    align-items: flex-start;
    gap: 10px;
  }
  .mistake-row h3 {
    font-size: 12px;
  }
  .mistake-row .small-button {
    font-size: 9px;
    white-space: nowrap;
    padding: 7px;
  }
  .mistake-row .caption {
    font-size: 9px;
  }
  .resume-banner {
    font-size: 10px;
    padding: 11px;
    gap: 9px;
  }
  .resume-banner > .small-button {
    white-space: nowrap;
    font-size: 9px;
  }
  .resume-banner > svg {
    width: 18px;
  }
  .inline-label {
    font-size: 9px;
  }
  .inline-label select {
    font-size: 10px;
    width: 100px;
  }
  footer {
    padding: 18px;
    font-size: 8px;
    gap: 20px;
  }
  footer span {
    max-width: 130px;
    text-align: right;
  }
  #toast {
    left: 50%;
    font-size: 11px;
    width: max-content;
    max-width: 90vw;
  }
  #storage-warning {
    left: 0;
    font-size: 10px;
  }
}
/* 孩子阅读的正文和答题控件采用更大的字号；辅助元信息保持紧凑。 */
.concept p,
.worked-example .steps li,
.worked-example h2 {
  font-size: 16px;
  line-height: 2;
  color: #62765b;
}
.concept h3 {
  font-size: 17px;
  color: #4b6244;
}
.question-panel > h2 {
  font-size: 23px;
}
.option b {
  font-size: 16px;
}
.answer-label {
  font-size: 14px;
}
.feedback .steps li,
.feedback p {
  font-size: 14px;
  color: #6e805e;
}
.feedback.retry p {
  color: #8f7651;
}
.question-panel .caption {
  font-size: 12px;
  color: #7c8b70;
}
.question-panel .primary,
.question-panel .secondary {
  font-size: 14px;
}
.lesson-grid .transfer-note p,
.lesson-grid .pitfall p {
  font-size: 14px;
}
.lesson-grid aside .panel > p {
  font-size: 13px;
}
.lesson-grid .lab-answer {
  font-size: 15px;
}
.lesson-grid .lab-answer small {
  font-size: 12px;
}
.option {
  min-height: 58px;
}
@media (max-width: 760px) {
  .concept p,
  .worked-example .steps li,
  .worked-example h2 {
    font-size: 15px;
  }
  .concept h3 {
    font-size: 16px;
  }
  .question-panel > h2 {
    font-size: 21px;
  }
  .option b {
    font-size: 15px;
  }
  .feedback .steps li,
  .feedback p {
    font-size: 13px;
  }
  .question-panel .primary,
  .question-panel .secondary {
    font-size: 12px;
  }
  .question-panel .caption {
    font-size: 11px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
@media print {
  body {
    background: white;
    color: #111;
    font-size: 12px;
  }
  .sidebar,
  .workspace,
  #toast,
  #storage-warning {
    display: none !important;
  }
  .print-sheet {
    display: block;
    padding: 10px;
  }
  .print-sheet h1 {
    font-size: 22px;
  }
  .print-sheet > article {
    break-inside: avoid;
    padding: 14px 0;
    border-bottom: 1px dashed #bbb;
  }
  .print-sheet h3 {
    font-size: 13px;
    line-height: 1.8;
  }
  .print-sheet .paper-space {
    height: 70px;
  }
  .print-sheet .question-figure {
    max-width: 210px;
  }
  .print-sheet .question-figure svg {
    height: 130px;
  }
  .print-answers {
    break-before: page;
  }
  .print-answers p {
    font-size: 11px;
    line-height: 1.9;
  }
}

/* English Explorer Club: a quiet blue study desk, with postcard details. */
:root {
  --paper: #f6f7f4;
  --surface: #fffef9;
  --ink: #304859;
  --muted: #687a83;
  --line: #e0e7e6;
  --green: #416d87;
  --orange: #d58c57;
  --mint: #e1eee8;
  --blue: #e3edf6;
  --peach: #f7e7da;
  --yellow: #f9efcf;
}
.sidebar {
  background: #edf2f3;
  border-color: #dce5e8;
  padding-top: 28px;
}
.brand {
  font-size: 20px;
  gap: 10px;
  margin-bottom: 25px;
}
.brand > span:last-child > span {
  font-size: 8px;
  letter-spacing: 1.45px;
  color: #7c929f;
}
.english-brand {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 29px;
  position: relative;
  color: #426c87;
  background: #dde8ef;
  border-radius: 12px;
  padding: 4px 8px;
}
.english-brand > span {
  font-size: 15px;
  color: #d6a153;
  position: absolute;
  right: -5px;
  top: -4px;
}
.semester {
  border-color: #d6e0e4;
  margin-bottom: 22px;
}
.semester .tiny {
  color: #647d8a;
}
.nav-label {
  color: #748d9a;
  letter-spacing: 1.4px;
}
.nav-item {
  font-size: 12px;
  padding: 12px 14px;
  color: #697f8b;
}
.nav-item.active {
  background: #dde8ed;
  color: #365f77;
}
.nav-item.active:before {
  background: #5a8096;
}
.nav-item:hover {
  background: #e3ecef;
}
.sidebar-tip {
  margin-top: auto;
  padding-top: 16px;
}
.sidebar-tip p {
  color: #7d929c;
}
.sidebar-tip b {
  color: #5a7789;
}
.sidebar-bottom {
  padding-top: 10px;
}
.sidebar-bottom .nav-item {
  font-size: 11px;
  padding: 10px 14px;
}
.edition-pill {
  color: #668091;
}
.edition-pill span {
  color: #5c7b90;
  background: #e6eef3;
}
.star-total {
  color: #8898a1;
}
.avatar {
  background: #e7d7c1;
  color: #94754e;
}
.primary {
  background: #426f87;
  color: #fffdf8;
  border-color: #426f87;
}
.primary:hover {
  background: #345e76;
}
.secondary {
  color: #527186;
  border-color: #cad9df;
  background: #f3f7f7;
}
.secondary:hover {
  background: #e8f0f3;
}
.small-button {
  color: #547287;
  border-color: #d7e2e6;
}
.small-button:hover,
.small-button.selected {
  background: #e3edf2;
}
.text-link {
  color: #49748c;
}
.muted {
  color: #6a7e88;
}
.caption {
  color: #6f838a;
  font-size: 11px;
}
.tiny {
  font-size: 11px;
}
.eyebrow {
  color: #7f98a4;
}
.topbar {
  border-color: #e1e7e8;
}
.tag {
  color: #557183;
}
.tag.blue {
  color: #557493;
}
.hero.english-hero {
  background: #e8f0f2;
  border: 1px solid #dce7e8;
  min-height: 336px;
  overflow: hidden;
}
.hero-copy {
  width: 62%;
  padding: 30px;
  z-index: 2;
}
.hero h2 {
  color: #3b5b70;
  font-family: "Avenir Next", "PingFang SC", sans-serif;
  font-weight: 650;
  font-size: 31px;
  line-height: 1.52;
  letter-spacing: -1px;
}
.hero h2 span {
  color: #7b938b;
}
.hero h2 em {
  font-family: Georgia, serif;
  font-weight: 400;
  color: #c18d5e;
  font-size: 35px;
}
.hero p {
  color: #718b95;
  font-size: 13px;
}
.hero-note {
  color: #788e97;
  font-size: 11px;
  gap: 7px;
}
.hero-note svg {
  color: #779480;
}
.hero .primary {
  background: #446f89;
}
.hero .tag {
  color: #6f8791;
  background: #f8fbf9;
  font-size: 11px;
}
.passport-art {
  position: absolute;
  right: -42px;
  bottom: 0;
  width: 61%;
  height: 100%;
  opacity: 0.98;
}
.metrics {
  gap: 16px;
}
.metric {
  border-color: #e0e7e7;
}
.metric strong {
  color: #4b6e81;
}
.metric > div > span {
  color: #758993;
  font-size: 11px;
}
.metric-icon {
  background: #e5eef3;
  color: #658698;
}
.metric:nth-child(2) .metric-icon {
  background: #edf0e4;
  color: #8a9876;
}
.metric:nth-child(3) .metric-icon {
  background: #f6ead9;
  color: #bb9870;
}
.mission-card {
  border-color: #dce5e6;
}
.mission-card p {
  color: #73868d;
  font-size: 12px;
}
.handwritten {
  color: #8b9d94;
}
.map-stop {
  padding: 19px 12px;
  min-width: 0;
}
.map-stop strong {
  font-size: 12px;
  overflow-wrap: anywhere;
}
.map-stop > span:last-child {
  font-size: 10px;
  color: #768990;
}
.daily-card {
  border-color: #e0e7e7;
}
.daily-card p,
.daily-check {
  color: #71878c;
  font-size: 11px;
}
.goal-circle {
  background: conic-gradient(#8fadb4 calc(var(--pct) * 1%), #e8efed 0);
}
.goal-circle b {
  color: #58798b;
}
.goal-circle span {
  color: #85999f;
}
.postcard {
  padding: 23px 22px;
  background: #faf2df;
  border: 1px solid #eadfc6;
  border-radius: 17px;
  position: relative;
  min-height: 215px;
  margin-bottom: 26px;
  overflow: hidden;
}
.postcard:before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px dashed #ddc7a7;
  border-radius: 12px;
  pointer-events: none;
}
.postcard h3 {
  font-size: 18px;
  color: #967a54;
  margin: 12px 0;
}
.postcard p {
  font-family: Georgia, serif;
  font-size: 14px;
  font-style: italic;
  color: #a78d68;
  max-width: 150px;
}
.postcard > svg {
  position: absolute;
  bottom: 17px;
  right: 9px;
  transform: rotate(9deg);
}
.postcard > a {
  font-size: 11px;
  color: #a08258;
  position: relative;
  z-index: 1;
}
.rail-note p,
.rail-note b,
.rail-note .text-link {
  font-size: 11px;
  color: #7c8e91;
}
.panel p {
  line-height: 1.85;
}
.notice {
  background: #eaf1f2;
  border-color: #d8e4e6;
}
.notice p {
  color: #6e828a;
  font-size: 12px;
}
.notice b {
  font-size: 13px;
}
.notice > svg {
  color: #64869b;
}
.concept > span {
  background: #e6eef1;
  color: #5f8194;
}
.concept p {
  color: #697e89;
  font-size: 14px;
}
.unit-card > p {
  color: #71858f;
}
.unit-index {
  color: #8297a1;
  font-size: 11px;
}
.chips > span {
  color: #6e8088;
  background: #eef3f2;
  font-size: 10px;
}
.unit-progress {
  font-size: 11px;
  color: #7b8e95;
}
.progress-track {
  background: #e8eeed;
}
.progress-track > span {
  background: #88a9b0;
}
.unit-card h2 {
  font-size: 19px;
  min-height: 28px;
}
.unit-grid {
  margin-bottom: 28px;
}
.project-card {
  margin-bottom: 0;
}
.project-card h2 {
  margin: 15px 0;
  font-size: 20px;
}
.example-line {
  display: flex;
  gap: 17px;
  padding: 19px 0;
  border-bottom: 1px solid #e6eceb;
}
.example-line > span {
  font-family: Georgia, serif;
  color: #b9c8cc;
  font-size: 22px;
}
.example-line b {
  font-size: 18px;
  font-weight: 550;
  color: #4b6b80;
}
.example-line p {
  color: #7e9096;
  margin: 4px 0;
  font-size: 13px;
}
.transfer-note {
  background: #f6f0df;
  border-color: #e8dfc5;
  color: #8c7858;
}
.transfer-note p {
  color: #8b7f68;
}
.pitfall {
  background: #f8eddf;
  border-color: #ecdbc5;
}
.pitfall p {
  color: #957f63;
}
.mini-word-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px;
}
.mini-word-grid > div {
  background: #f0f5f5;
  border-radius: 12px;
  padding: 13px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5px;
}
.mini-word-grid b {
  font-size: 16px;
}
.mini-word-grid span {
  font-size: 12px;
  color: #7b8c94;
}
.mini-word-grid button {
  grid-column: 2;
  grid-row: 1/3;
  align-self: center;
}
.audio-row {
  margin: 17px 0;
  padding: 14px;
  background: #eef4f5;
  border: 1px solid #dae5e8;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.audio-label {
  color: #618197;
  font-size: 12px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.audio-row audio {
  width: 100%;
  height: 39px;
  max-width: 100%;
}
.english-model {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  line-height: 1.8 !important;
  color: #4c6e83;
}
.word-controls {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr auto auto;
  gap: 17px;
  align-items: end;
}
.word-controls label {
  font-size: 12px;
  color: #6a808d;
}
.word-controls input[type="search"] {
  width: 100%;
  border: 1px solid #d8e2e5;
  padding: 11px;
  border-radius: 8px;
  background: #f8fbfa;
  display: block;
  margin-top: 8px;
  line-height: 1.6;
}
.word-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 25px;
}
.word-card {
  border: 1px solid #dae4e7;
  border-radius: 15px;
  background: #fbfcf9;
  padding: 23px;
  min-width: 0;
}
.word-title {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  margin: 14px 0;
}
.word-title h2 {
  font-family: Georgia, serif;
  font-size: 24px;
  font-weight: 500;
  overflow-wrap: anywhere;
  letter-spacing: 0;
}
.word-play {
  border: 1px solid #cbdce7;
  background: #e5eff5;
  border-radius: 50%;
  color: #5b8099;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.word-cn {
  color: #789087;
}
.word-example {
  font-size: 14px;
  color: #687e8b;
  min-height: 50px;
  line-height: 1.8;
}
.word-reveal {
  min-height: 45px;
}
.word-reveal summary {
  font-size: 11px;
  color: #9b8b69;
}
.checkline {
  display: flex !important;
  align-items: flex-start;
  gap: 9px;
  font-size: 13px !important;
  font-weight: 400 !important;
  margin: 17px 0 !important;
  line-height: 1.8;
  color: #6b818d;
}
.checkline input {
  margin-top: 5px;
  accent-color: #507f96;
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}
.checkline .tiny {
  color: #9aabaf;
  margin-left: auto;
}
.route-selector {
  display: block;
  max-width: 440px;
  font-size: 12px;
  color: #7b909a;
  margin-bottom: 24px;
}
.role-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin: 24px 0;
}
.role-cards > div {
  padding: 20px;
  background: #f3f6f4;
  border-radius: 13px;
}
.role-cards h3 {
  margin: 12px 0;
  font-size: 16px;
}
.role-cards p {
  font-size: 13px;
  color: #7d8e95;
}
.talk-stage > h2 {
  line-height: 1.8;
  font-size: 22px;
  margin: 18px 0;
}
.model-reveal {
  margin: 20px 0;
  padding: 16px;
  border: 1px dashed #c5d9e0;
  border-radius: 12px;
}
.model-reveal summary {
  color: #698a9d;
}
#writing-draft {
  min-height: 295px;
  font-size: 18px;
  line-height: 2;
  padding: 20px;
  color: #3c6075;
  background: repeating-linear-gradient(#fffef9, #fffef9 35px, #e6eceb 36px);
  border-color: #cfdde1;
  resize: vertical;
}
.starter {
  white-space: pre-wrap;
  font-family: Georgia, serif;
  font-size: 17px;
  color: #648094;
}
.format-feedback {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}
.format-feedback > span {
  background: #eaf1f1;
  color: #718a95;
  border-radius: 7px;
  padding: 4px 9px;
  font-size: 11px;
}
.source-row {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  border-top: 1px solid #e0e8e9;
  padding: 20px 0;
}
.source-row .tag {
  white-space: nowrap;
}
.source-row h3 {
  font-size: 14px;
}
.source-row p {
  font-size: 12px;
  color: #7f929a;
}
.unit-footprints {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.unit-footprints > div {
  display: flex;
  flex-direction: column;
  border: 1px solid #e0e8e8;
  border-radius: 12px;
  padding: 16px;
}
.unit-footprints b {
  font-size: 14px;
}
.unit-footprints span {
  color: #69828e;
  font-size: 12px;
  margin: 7px 0;
}
.unit-footprints small {
  color: #91a0a3;
  font-size: 11px;
}
.parent-tips {
  color: #6f8590;
  font-size: 13px;
}
.coach-message p {
  color: #6f8590;
  font-size: 13px;
}
.mastery-row b {
  color: #59778b;
}
.mastery-row > div:first-child > span,
.mastery-value {
  color: #7d919a;
  font-size: 11px;
}
.session-list {
  color: #6f8590;
}
.data-panel p {
  color: #6f8590;
}
.data-panel > div:last-child {
  min-width: 200px;
}
.reading-passage {
  background: #f1f5f2;
  border: 1px solid #e1e8e3;
  border-radius: 14px;
  padding: 22px;
  margin: 24px 0;
  color: #526e7b;
  line-height: 2;
  font-family: Georgia, serif;
  font-size: 19px;
}
.reading-passage h3 {
  font-family: Georgia, serif;
  font-weight: 500;
  font-size: 22px;
  margin-bottom: 12px;
}
.reading-passage p {
  margin-bottom: 0;
}
.question-panel > h2 {
  color: #3d6074;
}
.question-panel input[type="text"] {
  font-size: 20px;
  background: #f9fcfb;
  border-color: #cadde3;
  color: #395c73;
}
.token-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 24px 0 10px;
}
.token {
  padding: 10px 16px;
  border: 1px solid #c8dbe3;
  border-radius: 9px;
  background: #edf4f7;
  color: #517c94;
  font-size: 17px;
}
.token:hover {
  background: #dfebf3;
  transform: translateY(-2px);
}
.question-dots .question-dot {
  display: grid;
  place-items: center;
}
.option {
  border-color: #d7e3e7;
  color: #4f6c7c;
}
.option:hover,
.option.selected {
  background: #eaf2f5;
  border-color: #a3c0cf;
}
.option input {
  accent-color: #557f96;
}
.option > span {
  background: #e8f0f2;
  color: #7192a1;
}
.option b {
  font-size: 16px;
}
.feedback-box {
  border: 1px solid #ead4b6;
  background: #fbf1df;
  border-radius: 13px;
  padding: 22px;
  margin-top: 24px;
}
.feedback-box.is-correct {
  background: #edf4eb;
  border-color: #d5e3ce;
}
.feedback-box h3 {
  color: #7d885d;
}
.feedback-box p {
  color: #7c8d7a;
  font-size: 12px;
}
.steps li {
  color: #6f8188;
  font-size: 14px;
}
.hint-box {
  color: #8b7f63;
}
.input-error {
  color: #b3784c;
}
.transcript {
  font-family: Georgia, serif;
  font-size: 20px;
  background: #f8f0df;
  padding: 17px;
  border-radius: 10px;
}
.question-dot.current {
  outline-color: #7796a7;
}
.question-dot.filled {
  background: #e2eef3;
  border-color: #bfd2dc;
  color: #7393a6;
}
.result-hero p {
  color: #7c919b;
}
.result-item summary b {
  color: #58788c;
}
.result-item summary small {
  color: #7b929e;
}
.result-item summary > span:last-child {
  color: #8a9da3;
}
.result-item > p {
  font-size: 15px;
}
.result-item .steps {
  margin-bottom: 12px;
}
.quiz-layout aside .caption {
  font-size: 12px;
}
.exam-clock {
  color: #b18248;
}
.resume-banner {
  border-color: #d4e2e5;
  background: #e8f1f3;
}
.practice-builder form label {
  color: #6d8794;
}
select,
input[type="text"],
textarea {
  color: #4e6e81;
  border-color: #d4e0e5;
  background: #fcfdfb;
}
.practice-layout .panel > p {
  color: #718792;
}
.empty p {
  color: #7d929b;
}
.mistake-row label {
  max-width: 240px;
}
.mistake-row h3 {
  color: #526f7f;
}
.mistake-row p {
  font-size: 12px;
}
.report-grid p {
  font-size: 13px;
}
footer {
  color: #84979d;
}
#toast {
  background: #3f6a83;
}
.print-sheet pre {
  white-space: pre-wrap;
  font-family: Georgia, serif;
  font-size: 17px;
}
.print-sheet section {
  break-inside: avoid;
  border-bottom: 1px solid #ddd;
  padding: 12px 0;
}
.print-note {
  font-size: 11px;
  color: #666;
}
@media (min-width: 1550px) {
  .hero.english-hero {
    min-height: 355px;
  }
  .hero h2 {
    font-size: 34px;
  }
  .hero-copy {
    padding: 34px;
    width: 60%;
  }
  .passport-art {
    width: 59%;
    right: -35px;
  }
}
@media (max-width: 1250px) {
  .word-controls {
    grid-template-columns: 1fr 1fr;
  }
  .word-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hero-copy {
    padding: 24px;
    width: 66%;
  }
  .hero h2 {
    font-size: 28px;
  }
  .passport-art {
    right: -55px;
    width: 65%;
  }
  .hero-note {
    font-size: 10px;
  }
  .sidebar-tip p {
    font-size: 10px;
  }
  .nav-item {
    font-size: 11px;
  }
  .unit-grid {
    gap: 16px;
  }
  .unit-card {
    padding: 20px;
  }
  .hero p {
    font-size: 12px;
  }
}
@media (max-width: 900px) {
  .hero.english-hero {
    min-height: 330px;
  }
  .hero-copy {
    width: 60%;
  }
  .passport-art {
    right: -18px;
    width: 58%;
  }
  .word-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .sidebar-tip {
    display: none;
  }
  .unit-footprints {
    grid-template-columns: 1fr 1fr;
  }
  .mini-word-grid {
    grid-template-columns: 1fr 1fr;
  }
  .word-controls {
    grid-template-columns: 1fr 1fr;
  }
  .source-row {
    gap: 14px;
  }
  .quiz-layout {
    grid-template-columns: 1fr;
  }
  .quiz-layout aside {
    display: none;
  }
}
@media (max-width: 600px) {
  .hero.english-hero {
    min-height: 420px;
  }
  .hero-copy {
    width: 100%;
    padding: 23px;
    position: relative;
  }
  .hero h2 {
    font-size: 27px;
  }
  .hero h2 em {
    font-size: 30px;
  }
  .hero p {
    font-size: 12px;
    margin: 12px 0;
  }
  .hero-note {
    display: none;
  }
  .hero .primary {
    font-size: 12px;
    padding: 12px 15px;
  }
  .passport-art {
    height: 210px;
    width: 78%;
    right: -12px;
    bottom: -15px;
    pointer-events: none;
  }
  .hero-copy .primary {
    position: relative;
    z-index: 2;
    max-width: 70%;
    margin-bottom: 65px;
  }
  .hero .tag {
    font-size: 10px;
  }
  .hero-copy p {
    max-width: 88%;
  }
  .hero h2 {
    line-height: 1.4;
  }
  .hero-note {
    display: none;
  }
  .word-grid {
    grid-template-columns: 1fr;
  }
  .word-controls {
    grid-template-columns: 1fr;
  }
  .word-card {
    padding: 22px;
  }
  .word-title h2 {
    font-size: 27px;
  }
  .word-example {
    min-height: 0;
  }
  .role-cards {
    grid-template-columns: 1fr;
  }
  .source-row {
    display: block;
  }
  .source-row h3 {
    margin-top: 14px;
  }
  .unit-footprints {
    grid-template-columns: 1fr;
  }
  .word-controls label {
    margin-bottom: 0;
  }
  .english-model {
    font-size: 20px;
  }
  .reading-passage {
    padding: 18px;
    font-size: 18px;
  }
  .option {
    padding: 13px;
  }
  .option b {
    font-size: 15px;
  }
  .question-panel > h2 {
    font-size: 19px;
    margin: 22px 0;
  }
  .token {
    padding: 8px 13px;
    font-size: 16px;
  }
  .audio-row {
    padding: 11px;
  }
  .panel {
    padding: 21px;
  }
  .unit-card h2 {
    font-size: 20px;
  }
  .postcard {
    min-height: 210px;
  }
  .result-hero {
    gap: 17px;
  }
  .result-hero h2 {
    font-size: 21px;
  }
  .result-item summary {
    gap: 10px;
  }
  .result-item summary > span:last-child {
    display: none;
  }
  .result-item summary b {
    font-size: 13px;
  }
  .sidebar {
    overflow-y: auto;
    padding-top: 20px;
  }
  .brand {
    margin-bottom: 18px;
  }
  .semester {
    margin-bottom: 15px;
  }
  .nav-item {
    padding: 10px 14px;
  }
  .topbar .edition-pill {
    display: none;
  }
  .mini-word-grid {
    gap: 9px;
  }
  .mini-word-grid b {
    font-size: 15px;
  }
  .data-panel > div:last-child {
    min-width: 0;
  }
  .checkline {
    font-size: 13px;
  }
  .lesson-grid {
    display: block;
  }
  .word-controls > .secondary,
  .word-controls > .primary {
    width: 100%;
  }
  .resume-banner {
    flex-wrap: wrap;
  }
  .resume-banner > a {
    margin-left: 0;
  }
  #writing-draft {
    font-size: 17px;
    min-height: 330px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
@media print {
  #print-area {
    display: block !important;
  }
  #print-area h1 {
    font-size: 23px;
  }
  #print-area h2 {
    font-size: 20px;
    margin: 20px 0;
  }
  body > .workspace,
  body > .sidebar,
  #toast,
  #storage-warning {
    display: none !important;
  }
  body {
    background: white !important;
    color: #222 !important;
    padding: 15mm !important;
  }
  #print-area p {
    font-size: 13px;
    line-height: 1.8;
  }
  #print-area pre {
    min-height: 150px;
    border: 1px solid #ccc;
    padding: 20px;
  }
  #print-area section {
    break-inside: avoid;
  }
}
.quiz-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 25px;
}
.quiz-layout > * {
  min-width: 0;
}
.question-panel {
  padding: 30px;
}
.question-panel .progress-track {
  margin-top: 16px;
}
.quiz-layout .coach-bubble p {
  color: #7c929d;
}
.question-dots {
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 900px) {
  .quiz-layout {
    grid-template-columns: 1fr;
  }
  .quiz-layout aside {
    display: block;
  }
  .quiz-layout aside .coach-bubble {
    display: none;
  }
  .quiz-layout .navigator {
    padding: 18px;
  }
  .quiz-layout .question-dots {
    display: none;
  }
  .quiz-layout aside .secondary {
    max-width: 260px;
  }
  .question-panel {
    padding: 23px;
  }
}
@media (max-width: 600px) {
  .question-panel {
    padding: 20px;
  }
  .question-meta {
    gap: 10px;
    flex-wrap: wrap;
  }
  .question-meta > .tag {
    max-width: 100%;
    font-size: 10px;
  }
  .source-row p {
    font-size: 13px;
  }
}
.hero.english-hero .primary {
  color: #fffdf8;
  box-shadow: 0 4px 0 #294b6018;
}
.hero.english-hero .primary:hover {
  color: #fffdf8;
}
@media (max-width: 760px) {
  body.nav-open .sidebar {
    transform: translateX(0);
  }
  .quiz-layout .navigator {
    display: block;
  }
  .quiz-layout .navigator .caption {
    display: block;
  }
  .quiz-layout .navigator .secondary {
    width: auto;
    margin-top: 8px;
  }
  .quiz-layout .navigator h3 {
    margin-bottom: 7px;
  }
}