:root {
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:#183c34;
  background:#f5f6f2;
  font-synthesis:none;
  line-height:1.5;
  --green:#164f40;
  --muted:#64756e;
  --line:#dfe5dd;
  --gold:#e8bd65
}
* {
  box-sizing:border-box
}
body {
  margin:0
}
button,input,textarea,select {
  font:inherit
}
button,a,input,textarea,select {
  -webkit-tap-highlight-color:transparent
}
button {
  cursor:pointer
}
button:disabled {
  opacity:.45;
  cursor:not-allowed
}
a {
  color:inherit
}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible {
  outline:3px solid #c78d28;
  outline-offset:4px
}
.topbar {
  height:90px;
  border-bottom:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:0 5%;
  background:#fff
}
.brand {
  text-decoration:none;
  display:flex;
  align-items:center;
  gap:13px;
  font-size:21px;
  font-weight:750
}
.brand small {
  display:block;
  font-size:9px;
  letter-spacing:1.8px;
  font-weight:600;
  color:var(--muted);
  margin-top:3px
}
.brand-icon {
  background:var(--green);
  color:white;
  border-radius:12px;
  padding:5px 12px;
  font-family:Georgia,serif;
  font-size:29px
}
.brand-icon span {
  font:9px system-ui;
  color:var(--gold);
  margin-left:2px
}
.demo-tag,.eyebrow {
  font-size:11px;
  letter-spacing:1.6px;
  font-weight:750
}
.demo-tag {
  padding:7px 12px;
  border:1px solid #d4dece;
  border-radius:6px;
  background:#f1f5ed
}
.layout {
  display:grid;
  grid-template-columns:230px minmax(0,1fr);
  max-width:1280px;
  margin:auto;
  min-height:calc(100vh - 150px)
}
aside {
  padding:38px 23px;
  border-right:1px solid var(--line)
}
.sidebar-heading {
  font-size:9px;
  letter-spacing:1.5px;
  color:#6f7e74;
  margin:0 9px 20px
}
nav {
  display:grid;
  gap:7px
}
nav button {
  border:0;
  background:transparent;
  color:#64756e;
  display:flex;
  align-items:center;
  gap:12px;
  text-align:left;
  border-radius:8px;
  padding:13px 12px;
  font-size:14px;
  min-height:46px
}
nav button.active {
  color:var(--green);
  background:#e5ede2;
  font-weight:700
}
.sidebar-note {
  font-size:12px;
  margin:70px 8px 25px
}
.sidebar-note p {
  color:var(--muted);
  font-size:12px;
  line-height:1.8
}
.online-dot {
  display:inline-block;
  background:#4d8765;
  width:7px;
  height:7px;
  border-radius:50%;
  margin-right:5px
}
main {
  padding:42px 5% 60px;
  min-width:0
}
.eyebrow {
  color:#6e806d;
  font-size:10px
}
.page-heading {
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:18px;
  margin:8px 0 25px
}
h1 {
  font-family:Georgia,serif;
  font-size:clamp(29px,4vw,43px);
  font-weight:500;
  letter-spacing:-1.3px;
  line-height:1.2;
  margin:6px 0 13px
}
h2 {
  font-size:19px;
  line-height:1.4;
  margin:0 0 12px
}
h3 {
  font-size:15px;
  margin:0 0 8px
}
p {
  margin:8px 0 17px
}
.subtitle,.small {
  color:var(--muted)
}
.subtitle {
  max-width:590px;
  font-size:14px
}
.small {
  font-size:12px
}
.badge {
  display:inline-flex;
  padding:6px 10px;
  border-radius:6px;
  background:#edf2e7;
  color:#466040;
  font-size:11px;
  font-weight:650;
  white-space:nowrap
}
.hero {
  background:var(--green);
  color:#fff;
  border-radius:15px;
  padding:27px 30px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  margin-bottom:28px;
  overflow:hidden
}
.hero h2 {
  font-family:Georgia,serif;
  font-size:27px;
  font-weight:400
}
.hero p {
  font-size:13px;
  color:#d2e1d3;
  max-width:490px;
  margin-bottom:0
}
.hero-mark {
  border:1px solid #6c9680;
  border-radius:50%;
  width:90px;
  height:90px;
  flex-shrink:0;
  display:grid;
  place-content:center;
  text-align:center;
  font-size:28px;
  color:#f2d89e
}
.hero-mark small {
  font-size:9px;
  letter-spacing:2px
}
.card {
  background:#fff;
  border:1px solid var(--line);
  border-radius:13px;
  padding:26px;
  margin-bottom:20px
}
.section-label {
  display:flex;
  align-items:center;
  gap:11px;
  margin-bottom:18px
}
.step-number {
  background:#f0f3e9;
  border-radius:7px;
  width:29px;
  height:29px;
  display:grid;
  place-items:center;
  font-size:12px;
  color:#526a48
}
.section-label h2 {
  margin:0;
  font-size:15px
}
.grid {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px
}
.choice {
  border:1px solid var(--line);
  border-radius:10px;
  padding:20px;
  background:#fff;
  color:inherit;
  text-align:left;
  display:flex;
  gap:14px;
  align-items:center;
  min-height:89px;
  position:relative
}
.choice:hover {
  border-color:#719176
}
.choice.selected {
  border:2px solid var(--green);
  background:#f5f8ef;
  padding:19px
}
.choice .symbol {
  height:44px;
  width:44px;
  display:grid;
  place-items:center;
  flex-shrink:0;
  background:#edf1e5;
  border-radius:10px;
  color:#516642;
  font:23px Georgia,serif
}
.choice strong {
  display:block;
  font-size:14px
}
.choice small {
  display:block;
  color:var(--muted);
  font-size:11px;
  margin-top:3px
}
.radio {
  width:16px;
  height:16px;
  border:1px solid #b8c5b7;
  border-radius:50%;
  margin-left:auto;
  flex-shrink:0
}
.selected .radio {
  border:5px solid var(--green)
}
.primary,.secondary,.danger {
  border:0;
  border-radius:8px;
  min-height:46px;
  padding:12px 19px;
  font-size:13px;
  font-weight:650;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  text-decoration:none
}
.primary {
  background:var(--green);
  color:white
}
.primary:hover {
  background:#23634d
}
.secondary {
  background:#edf1e8;
  color:var(--green);
  border:1px solid #d7e0d1
}
.danger {
  background:#fff1ea;
  color:#9c3b1b;
  border:1px solid #edcfc0
}
.actions {
  display:flex;
  gap:12px;
  align-items:center;
  flex-wrap:wrap;
  margin-top:22px
}
.start-row {
  border-top:1px solid var(--line);
  padding-top:22px;
  margin-top:24px;
  display:flex;
  gap:18px;
  justify-content:space-between;
  align-items:center
}
.start-row .small {
  margin:0
}
.note {
  border-left:3px solid #d4ac58;
  background:#faf4e5;
  padding:13px 16px;
  color:#74603a;
  font-size:12px;
  border-radius:0 7px 7px 0;
  margin:17px 0
}
.error {
  color:#a13722;
  background:#fff0e9;
  padding:13px;
  border-radius:7px;
  font-size:13px
}
.hidden {
  display:none!important
}
.stat-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:13px;
  margin:20px 0
}
.stat {
  border:1px solid var(--line);
  background:#fff;
  padding:20px;
  border-radius:11px
}
.stat strong {
  display:block;
  font:30px Georgia,serif
}
.stat span {
  font-size:11px;
  color:var(--muted)
}
.progress-track {
  height:6px;
  border-radius:20px;
  background:#e3eadf;
  margin:18px 0 25px;
  overflow:hidden
}
.progress-track div {
  height:100%;
  background:#63916b
}
.answers {
  display:grid;
  gap:11px;
  margin:24px 0
}
.answers .choice {
  min-height:60px;
  padding:14px
}
.answers .choice.selected {
  padding:13px
}
.feedback {
  border:1px solid var(--line);
  border-left:4px solid #6b9270;
  padding:17px;
  border-radius:8px;
  margin:14px 0
}
.feedback.wrong {
  border-left-color:#c79945;
  background:#fffcf4
}
.feedback p {
  font-size:13px;
  margin:7px 0
}
.topic {
  font-size:10px;
  letter-spacing:.5px;
  background:#f0f2e9;
  padding:4px 7px;
  border-radius:4px
}
.timeline {
  list-style:none;
  padding:0;
  margin:0
}
.timeline li {
  display:flex;
  gap:16px;
  padding:16px 0;
  border-bottom:1px solid var(--line)
}
.timeline li:last-child {
  border:0
}
.time {
  color:#75915c;
  font-size:11px;
  min-width:49px;
  padding-top:3px
}
.timeline p {
  font-size:13px;
  color:var(--muted);
  margin:3px 0 0
}
label {
  display:block;
  font-size:13px;
  font-weight:650;
  margin:17px 0 8px
}
textarea,input[type=file],select {
  width:100%;
  max-width:100%;
  border:1px solid #ccd6c7;
  background:#fff;
  color:#244b3d;
  border-radius:8px;
  padding:12px
}
textarea {
  min-height:140px;
  resize:vertical;
  font-weight:400;
  font-size:14px
}
input[type=file] {
  font-size:12px
}
input[type=checkbox] {
  accent-color:var(--green);
  width:18px;
  height:18px
}
.check-label {
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:400
}
.photo-preview {
  display:block;
  max-height:260px;
  max-width:100%;
  border-radius:9px;
  margin:14px 0
}
.preline {
  white-space:pre-line;
  font-size:14px;
  line-height:1.9
}
.table-wrap {
  overflow:auto
}
table {
  border-collapse:collapse;
  width:100%;
  font-size:12px
}
th,td {
  padding:12px 8px;
  text-align:left;
  border-bottom:1px solid var(--line)
}
th {
  color:var(--muted);
  font-weight:500
}
pre {
  font-size:12px;
  overflow:auto;
  background:#f3f5ef;
  padding:15px;
  border-radius:8px
}
footer {
  text-align:center;
  color:var(--muted);
  border-top:1px solid var(--line);
  font-size:10px;
  padding:20px
}
.empty {
  padding:30px;
  text-align:center;
  color:var(--muted)
}
.bottom-hint {
  display:flex;
  gap:22px;
  flex-wrap:wrap;
  font-size:11px;
  color:var(--muted);
  margin:24px 3px
}
.bottom-hint span::before {
  content:'✓';
  margin-right:7px;
  color:#62805c
}
button {
  touch-action:manipulation
}
@media(max-width:760px) {
  .topbar {
    height:75px;
    padding:0 19px
  }
  .brand {
    font-size:18px
  }
  .brand small {
    font-size:7px;
    letter-spacing:1px
  }
  .demo-tag {
    font-size:9px;
    padding:6px 8px
  }
  .layout {
    display:block
  }
  aside {
    padding:10px 12px;
    border-right:0;
    border-bottom:1px solid var(--line);
    background:#fff
  }
  .sidebar-heading,.sidebar-note {
    display:none
  }
  nav {
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:3px
  }
  nav button {
    justify-content:center;
    flex-direction:column;
    gap:2px;
    font-size:15px;
    padding:6px 2px
  }
  nav button span {
    font-size:10px
  }
  aside>.small {
    margin:4px 0 0;
    text-align:right;
    font-size:10px
  }
  #install {
    width:100%;
    margin-top:8px
  }
  main {
    padding:25px 17px 35px
  }
  .page-heading {
    margin-bottom:20px;
    gap:8px
  }
  .page-heading>.badge {
    display:none
  }
  .hero {
    padding:22px;
    gap:12px
  }
  .hero h2 {
    font-size:23px
  }
  .hero-mark {
    width:64px;
    height:64px;
    font-size:23px
  }
  .hero p {
    font-size:12px
  }
  .card {
    padding:20px
  }
  .grid {
    gap:10px
  }
  .choice {
    padding:15px 12px;
    gap:9px;
    min-height:100px;
    flex-wrap:wrap
  }
  .choice.selected {
    padding:14px 11px
  }
  .choice .symbol {
    width:34px;
    height:34px;
    font-size:20px
  }
  .choice strong {
    font-size:13px
  }
  .choice small {
    font-size:10px
  }
  .choice .radio {
    position:absolute;
    right:10px;
    top:12px
  }
  .choice>span:nth-child(2) {
    width:100%
  }
  .start-row {
    flex-direction:column;
    align-items:stretch
  }
  .start-row .primary {
    width:100%
  }
  .stat {
    padding:15px 10px
  }
  .stat strong {
    font-size:25px
  }
  .stat span {
    font-size:10px
  }
  .answers .choice {
    flex-wrap:nowrap;
    padding-right:30px
  }
  .actions .primary,.actions .secondary {
    flex:1
  }
  .bottom-hint {
    gap:10px;
    font-size:10px
  }
  .hero-mark small {
    font-size:8px
  }
  .table-wrap {
    margin:0 -7px
  }
  h1 {
    font-size:32px
  }
}
@media(prefers-reduced-motion:no-preference) {
  button {
    transition:background .15s,border-color .15s
  }
  .card {
    animation:arrive .2s ease-out
  }
  @keyframes arrive {
    from {
      opacity:.7;
      transform:translateY(4px)
    }
    to {
      opacity:1;
      transform:translateY(0)
    }
  }
}
/* Learning studio v2: paper modules, session navigation and results. */
:root {
  --ink:#193d35;
  --cream:#faf9f3;
  --accent:#d9b777;
  --green:#174e41;
  letter-spacing:-.1px
}
body {
  background:#f5f6f2
}
.topbar {
  padding:0 4%;
  height:88px
}
.header-tools {
  display:flex;
  align-items:center;
  gap:13px
}
.header-tools label {
  margin:0;
  font-size:10px
}
.header-tools select {
  width:auto;
  font-size:12px;
  padding:8px 30px 8px 11px;
  border-radius:7px;
  min-height:39px
}
.brand small {
  letter-spacing:1.2px;
  font-size:8px
}
.layout {
  max-width:1400px;
  grid-template-columns:225px minmax(0,1fr)
}
main {
  padding:40px 5% 60px
}
nav button {
  font-size:13px;
  padding:14px 13px
}
.nav-icon {
  width:20px;
  text-align:center;
  font:21px Georgia,serif
}
.sidebar-note {
  margin-top:55px;
  background:#ecefe4;
  padding:20px 14px;
  border-radius:11px
}
.sidebar-note p {
  font-family:Georgia,serif;
  font-size:18px;
  color:#365b48;
  line-height:1.5
}
.mini-book {
  font-size:10px;
  letter-spacing:2px;
  color:#45634d
}
.mini-book strong {
  font:35px Georgia,serif;
  color:#426348
}
.hero {
  min-height:235px;
  padding:29px 34px;
  background:radial-gradient(ellipse at 80% 80%,#2d6851 0,transparent 60%),#15483e;
  position:relative
}
.hero>div:first-child {
  max-width:65%;
  position:relative;
  z-index:1
}
.hero h2 {
  font-size:33px;
  line-height:1.3;
  max-width:420px;
  margin:12px 0
}
.hero .eyebrow {
  color:#d5c8a0;
  font-size:9px
}
.hero-chips {
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:24px;
  color:#d9e4d4;
  font-size:9px;
  letter-spacing:.4px
}
.hero-art {
  width:180px;
  height:190px;
  position:relative;
  display:grid;
  place-items:center;
  flex-shrink:0
}
.book-cover {
  transform:rotate(11deg);
  width:112px;
  height:154px;
  border-radius:3px 11px 11px 3px;
  background:#ece2c3;
  box-shadow:-5px 2px 0 #d1c59e,-10px 12px 25px #082f2c60;
  color:#285644;
  font:19px Georgia,serif;
  padding:18px 12px;
  border-left:6px solid #c4b88e;
  z-index:1
}
.book-cover small {
  font:6px system-ui;
  letter-spacing:1px;
  display:block;
  margin-top:10px
}
.book-cover strong {
  display:block;
  font:40px Georgia,serif;
  margin-top:28px
}
.orbit {
  position:absolute;
  border:1px solid #8cab8550;
  border-radius:50%;
  width:175px;
  height:175px;
  transform:rotate(-25deg) scaleX(1.15)
}
.art-spark {
  position:absolute;
  right:0;
  top:3px;
  color:#e3cb8b;
  font-size:37px
}
.section-title {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin:30px 0 16px
}
.section-title h2 {
  font-size:16px;
  margin:0
}
.subject-card {
  display:flex;
  align-items:stretch;
  border:1px solid #dce3d6;
  border-radius:13px;
  background:white;
  text-align:left;
  padding:0;
  overflow:hidden;
  min-height:178px;
  color:var(--ink)
}
.subject-card:hover {
  border-color:#7b9771;
  box-shadow:0 5px 20px #254b3010
}
.subject-art {
  width:105px;
  min-width:105px;
  background:linear-gradient(135deg,#ede4cc,#f5efdf);
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  font:44px Georgia,serif;
  position:relative;
  color:#6e734f
}
.subject-art::after {
  content:'';
  position:absolute;
  width:70px;
  height:70px;
  border:1px solid #99885235;
  border-radius:50%;
  left:-26px;
  bottom:-19px
}
.subject-art small {
  font:8px system-ui;
  letter-spacing:2px;
  margin-top:7px
}
.history-art {
  background:linear-gradient(135deg,#e1e8d5,#eff1e5);
  font-size:30px
}
.subject-meta {
  padding:22px 18px;
  width:100%;
  min-width:0
}
.subject-meta .eyebrow {
  font-size:8px;
  letter-spacing:1px
}
.subject-meta strong {
  font-size:18px;
  display:block;
  margin:8px 0
}
.subject-meta>small {
  color:var(--muted);
  font-size:11px;
  display:block;
  line-height:1.7
}
.subject-link {
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  margin-top:17px;
  padding-top:11px;
  font-size:11px;
  font-weight:650
}
.goal-card {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  margin-top:20px;
  padding:22px
}
.goal-card h2 {
  font-size:15px;
  margin:6px 0 0
}
.goal-card .eyebrow {
  font-size:8px
}
.segmented {
  display:flex;
  gap:4px;
  background:#f1f3eb;
  border-radius:8px;
  padding:4px
}
.segmented button {
  padding:11px 15px;
  border:0;
  border-radius:6px;
  font-size:12px;
  background:none;
  color:var(--muted)
}
.segmented button.selected {
  background:#fff;
  box-shadow:0 1px 4px #34472b12;
  color:var(--green);
  font-weight:700
}
.stat {
  background:#ffffffa8;
  padding:21px
}
.stat strong {
  font-size:33px;
  margin-bottom:4px
}
.stat span {
  line-height:1.5;
  display:block
}
.text-button {
  border:0;
  background:transparent;
  color:var(--green);
  padding:10px 0;
  font-size:12px;
  text-decoration:none;
  display:inline-flex;
  gap:10px;
  align-items:center;
  min-height:44px;
  font-weight:600
}
.paper-subject {
  display:flex;
  align-items:center;
  gap:15px;
  margin:20px 0
}
.paper-subject h2 {
  margin:0
}
.subject-icon {
  font:26px Georgia,serif;
  background:#e6ebdb;
  border-radius:12px;
  width:65px;
  height:65px;
  display:grid;
  place-items:center;
  color:#546b47
}
.module-controls {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  margin:20px 0 25px
}
.module-controls label {
  font-size:11px
}
.module-controls select {
  font-size:12px;
  min-height:46px
}
.paper-card {
  padding:25px;
  border:1px solid var(--line);
  border-radius:13px;
  background:white;
  display:flex;
  flex-direction:column
}
.paper-top {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  margin-bottom:24px
}
.paper-card h2 {
  font:30px Georgia,serif;
  margin-bottom:5px
}
.paper-card>p {
  font-size:13px;
  color:var(--muted)
}
.paper-count {
  display:flex;
  align-items:center;
  gap:15px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:18px 0;
  margin:10px 0 15px
}
.paper-count strong {
  font:34px Georgia,serif;
  color:#436849
}
.paper-count span {
  font-size:11px;
  color:var(--muted)
}
.paper-card>.primary {
  margin-top:auto
}
.review-badge {
  padding:5px 8px;
  border-radius:5px;
  font-size:10px;
  line-height:1.5;
  display:inline-flex;
  max-width:100%
}
.review-badge.pending {
  background:#faf0dc;
  color:#80652b
}
.review-badge.approved {
  background:#e1efde;
  color:#356b36
}
.quiz-toolbar {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px
}
.timer {
  padding:10px 14px;
  border:1px solid #e0d2a9;
  background:#fffaf0;
  border-radius:8px;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:10px
}
.timer strong {
  font-variant-numeric:tabular-nums;
  font-size:17px;
  letter-spacing:1px
}
.quiz-title {
  font-size:29px;
  margin:22px 0
}
.quiz-title>span {
  font-family:system-ui;
  font-size:14px;
  letter-spacing:0;
  color:var(--muted)
}
.quiz-layout {
  display:grid;
  grid-template-columns:minmax(0,1fr) 155px;
  gap:18px
}
.question-card {
  padding:26px
}
.question-top {
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:flex-start
}
.exam-prompt {
  font-size:20px;
  line-height:1.7;
  margin-top:20px;
  font-weight:650
}
.answers .choice {
  gap:12px;
  padding:15px;
  flex-wrap:nowrap;
  font-size:14px
}
.answers .choice.selected {
  padding:14px
}
.answers .choice>span:nth-child(2) {
  width:auto;
  flex:1
}
.answer-letter {
  width:29px;
  height:29px;
  border-radius:6px;
  background:#f0f3e9;
  display:grid;
  place-items:center;
  flex-shrink:0;
  font-size:12px
}
.answers .radio {
  position:static;
  margin-left:0
}
.question-map {
  padding:20px 15px;
  background:#edf1e6;
  border:1px solid var(--line);
  border-radius:11px;
  align-self:start
}
.question-map h3 {
  font-size:12px
}
.map-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:7px;
  margin:17px 0
}
.map-grid button {
  min-height:34px;
  border:1px solid #ccd7bf;
  background:#fff;
  border-radius:6px;
  font-size:11px;
  color:#5e7452
}
.map-grid button.current {
  outline:2px solid var(--green);
  outline-offset:1px
}
.map-grid button.answered {
  background:var(--green);
  color:white;
  border-color:var(--green)
}
.question-map .small {
  font-size:10px
}
.quiz-actions {
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding-top:23px;
  border-top:1px solid var(--line);
  margin-top:25px
}
.support-box {
  padding:15px;
  background:#eef3e8;
  border-radius:9px;
  font-size:13px;
  margin-bottom:20px
}
.support-box li {
  padding:4px 0
}
.results-hero {
  display:flex;
  gap:30px;
  align-items:center;
  padding:30px;
  background:#e9eee1;
  border:1px solid #d4dfc9;
  border-radius:13px;
  margin-bottom:24px
}
.score-ring {
  width:145px;
  height:145px;
  flex-shrink:0;
  border-radius:50%;
  background:conic-gradient(#668258 calc(var(--score)*1%),#d5decb 0);
  padding:10px;
  display:grid;
  place-items:center
}
.score-ring>div {
  width:100%;
  height:100%;
  border-radius:50%;
  background:#e9eee1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center
}
.score-ring strong {
  font:39px Georgia,serif
}
.score-ring span {
  font-size:10px;
  color:#607252;
  margin-top:5px
}
.results-hero h2 {
  font:29px Georgia,serif;
  margin-top:12px
}
.topic-row {
  display:grid;
  grid-template-columns:1fr auto;
  gap:8px;
  margin:22px 0
}
.topic-row>span {
  font-size:13px
}
.topic-row>strong {
  font-size:12px
}
.topic-row .progress-track {
  grid-column:1/-1;
  margin:0
}
.feedback h3 {
  margin-top:13px;
  line-height:1.7
}
.explanation {
  background:#f1f4ec;
  padding:10px 14px;
  border-radius:6px;
  margin-top:10px
}
.explanation>p {
  margin-bottom:0
}
.written-result {
  background:#fafaf5
}
.danger-text {
  color:#9c4d2f
}
.routine-number {
  font:25px Georgia,serif;
  background:#eef1e6;
  border-radius:9px;
  width:45px;
  height:45px;
  display:grid;
  place-items:center;
  color:#66804f;
  flex-shrink:0
}
.timeline li {
  padding:20px 0
}
.timeline h3 {
  margin:3px 0
}
.notes-grid {
  margin-top:20px
}
.format-row {
  display:flex;
  justify-content:space-between;
  gap:20px;
  border-bottom:1px solid var(--line);
  padding:16px 0;
  font-size:12px
}
.format-row span {
  max-width:50%
}
#verified-text {
  min-height:170px
}
#verify-status {
  font-size:13px;
  color:#48613a
}
.question-map .text-button {
  font-size:10px
}
.photo-preview {
  border:1px solid #dce2d4
}
.header-tools label {
  white-space:nowrap
}
footer {
  line-height:1.8
}
html[lang=zh-Hans] h1,html[lang=zh-Hans] .hero h2 {
  font-family:ui-serif,"Songti SC","Noto Serif CJK SC",serif;
  font-weight:500;
  letter-spacing:0;
  line-height:1.5
}
html[lang=zh-Hans] {
  line-height:1.65
}
@media(max-width:1050px) and (min-width:761px) {
  .subject-card {
    flex-direction:column
  }
  .subject-art {
    width:100%;
    height:100px;
    min-height:100px
  }
  .subject-meta {
    padding:18px
  }
  .hero-art {
    width:145px
  }
  .goal-card {
    flex-direction:column;
    align-items:flex-start
  }
  .quiz-layout {
    grid-template-columns:minmax(0,1fr)
  }
  .question-map {
    display:none
  }
  .header-tools label {
    display:none
  }
}
@media(max-width:760px) {
  .topbar {
    height:80px;
    padding:0 17px;
    gap:12px
  }
  .brand {
    font-size:17px;
    gap:10px
  }
  .brand-icon {
    font-size:25px;
    padding:5px 10px
  }
  .brand small {
    font-size:7px;
    letter-spacing:.1px;
    max-width:155px;
    line-height:1.5
  }
  .header-tools {
    display:block;
    min-width:100px
  }
  .header-tools label {
    display:none
  }
  .header-tools select {
    font-size:10px;
    padding:8px;
    width:108px;
    min-height:38px
  }
  .layout {
    display:flex;
    flex-direction:column
  }
  aside {
    position:sticky;
    top:0;
    z-index:5;
    box-shadow:0 3px 10px #18382204;
    padding:8px 10px
  }
  nav {
    grid-template-columns:repeat(5,minmax(0,1fr));
    gap:2px
  }
  nav button {
    padding:7px 1px;
    font-size:17px;
    min-height:53px
  }
  nav button>span:not(.nav-icon) {
    font-size:9px;
    line-height:1.5;
    white-space:normal
  }
  .nav-icon {
    font-size:19px;
    height:23px;
    width:25px
  }
  .sidebar-note {
    display:none
  }
  aside>#connection {
    display:none
  }
  main {
    padding:25px 17px 40px
  }
  .page-heading {
    margin-top:10px
  }
  .page-heading h1 {
    font-size:31px;
    line-height:1.3
  }
  .eyebrow {
    font-size:8px;
    letter-spacing:1.3px
  }
  .hero {
    padding:23px 21px;
    min-height:240px;
    align-items:flex-start
  }
  .hero>div:first-child {
    max-width:70%
  }
  .hero h2 {
    font-size:27px;
    line-height:1.35;
    margin-top:10px
  }
  .hero p {
    font-size:11px
  }
  .hero .eyebrow {
    font-size:7px;
    letter-spacing:.7px
  }
  .hero-art {
    width:95px;
    height:155px;
    position:absolute;
    right:9px;
    top:48px
  }
  .book-cover {
    width:76px;
    height:116px;
    font-size:14px;
    padding:13px 8px;
    border-left-width:4px
  }
  .book-cover strong {
    font-size:28px;
    margin-top:24px
  }
  .book-cover small {
    font-size:4px;
    letter-spacing:.7px
  }
  .orbit {
    width:100px;
    height:100px
  }
  .art-spark {
    font-size:23px;
    right:0;
    top:0
  }
  .hero-chips {
    gap:8px;
    font-size:8px;
    margin-top:20px
  }
  .subject-grid {
    grid-template-columns:1fr
  }
  .subject-card {
    min-height:157px
  }
  .subject-art {
    min-width:94px;
    width:94px;
    font-size:40px
  }
  .history-art {
    font-size:29px
  }
  .subject-meta {
    padding:19px 16px
  }
  .subject-meta strong {
    font-size:18px;
    margin:6px 0
  }
  .subject-meta>small {
    font-size:11px
  }
  .subject-link {
    font-size:11px;
    margin-top:12px
  }
  .goal-card {
    flex-direction:column;
    align-items:stretch;
    gap:15px;
    padding:20px
  }
  .segmented button {
    flex:1;
    font-size:11px
  }
  .segmented {
    width:100%
  }
  .stat {
    padding:17px 12px
  }
  .stat strong {
    font-size:29px
  }
  .stat span {
    font-size:10px
  }
  .section-title h2 {
    font-size:15px
  }
  .section-title>.small {
    font-size:10px
  }
  .module-controls {
    gap:10px
  }
  .module-controls select {
    padding:10px 7px;
    font-size:11px
  }
  .module-controls label {
    font-size:10px
  }
  .paper-grid {
    grid-template-columns:1fr
  }
  .paper-card {
    padding:23px
  }
  .paper-count strong {
    font-size:32px
  }
  .paper-top {
    margin-bottom:20px
  }
  .paper-card .primary {
    width:100%
  }
  .quiz-layout {
    grid-template-columns:minmax(0,1fr)
  }
  .question-card {
    padding:21px 17px
  }
  .question-map {
    display:block;
    position:static;
    box-shadow:none;
    order:2;
    padding:17px
  }
  .map-grid {
    grid-template-columns:repeat(6,1fr)
  }
  .map-grid button {
    min-height:38px
  }
  .quiz-title {
    font-size:25px;
    margin:20px 0
  }
  .quiz-title>span {
    font-size:12px
  }
  .question-top {
    flex-direction:column;
    gap:8px
  }
  .review-badge {
    font-size:9px
  }
  .exam-prompt {
    font-size:18px;
    line-height:1.75
  }
  .answers .choice {
    font-size:13px;
    gap:9px;
    padding:13px;
    min-height:62px
  }
  .answers .choice.selected {
    padding:12px
  }
  .answers .choice>span:nth-child(2) {
    width:auto
  }
  .answers .radio {
    width:14px;
    height:14px
  }
  .answer-letter {
    width:25px;
    height:25px;
    font-size:10px
  }
  .quiz-actions .primary,.quiz-actions .secondary {
    font-size:11px;
    padding:12px 15px
  }
  .timer {
    padding:8px 10px;
    gap:8px
  }
  .timer span {
    font-size:9px
  }
  .timer strong {
    font-size:15px
  }
  .results-hero {
    gap:16px;
    padding:22px 17px;
    align-items:flex-start;
    flex-wrap:wrap
  }
  .score-ring {
    width:113px;
    height:113px;
    padding:8px
  }
  .score-ring strong {
    font-size:32px
  }
  .score-ring span {
    font-size:8px
  }
  .results-hero>div:last-child {
    flex:1;
    min-width:145px
  }
  .results-hero h2 {
    font-size:23px
  }
  .results-hero .actions {
    gap:8px
  }
  .results-hero .primary,.results-hero .secondary {
    width:100%;
    flex:auto;
    font-size:11px;
    padding:11px
  }
  .results-hero .eyebrow {
    font-size:8px
  }
  .results-hero .small {
    font-size:10px
  }
  .format-row {
    flex-direction:column;
    gap:5px
  }
  .format-row span {
    max-width:none
  }
  .feedback {
    padding:15px 12px
  }
  .feedback h3 {
    font-size:14px
  }
  .feedback p {
    font-size:12px
  }
  .notes-grid .preline {
    font-size:13px
  }
  .topic-row>span {
    font-size:12px
  }
  .support-toggle {
    font-size:11px;
    text-align:left
  }
  .text-button {
    font-size:11px
  }
  .check-label {
    font-size:12px
  }
  .check-label input {
    flex-shrink:0
  }
  textarea {
    font-size:16px
  }
  input[type=file] {
    font-size:11px
  }
  .module-controls select,#notes-subject {
    font-size:16px;
    max-width:100%
  }
  .module-controls {
    grid-template-columns:1fr
  }
  html[lang=zh-Hans] .page-heading h1 {
    font-size:29px
  }
}
/* Programmatic landmark focus should not draw a frame around the entire page. */
#main:focus {
  outline:none
}