:root {
  --purple: #602b7a;
  --bright: #873fe0;
  --ink: #272033;
  --muted: #797382;
  --line: #e9e5ed;
  --bg: #f8f7fa;
  --soft: #f0e8f7;
  --yellow: #ffe572;
  --green: #28774b;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Arial,
    sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-size: 16px;
  line-height: 1.55;
}
a {
  color: var(--purple);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
select,
textarea {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  font-size: 36px;
  line-height: 1.18;
  letter-spacing: -1.2px;
  margin-bottom: 12px;
  font-weight: 750;
}
h2 {
  font-size: 23px;
  line-height: 1.3;
  letter-spacing: -0.5px;
}
h3 {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 8px;
}
p {
  margin-bottom: 16px;
}
button:disabled {
  cursor: default;
  opacity: 0.45;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid #b18ed1;
  outline-offset: 3px;
}
.skip {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 99;
  padding: 12px;
  background: white;
}
.skip:focus {
  top: 10px;
}
.brand {
  display: block;
  width: 182px;
}
.brand img {
  display: block;
  width: 100%;
  height: auto;
}
.public-header {
  height: 94px;
  padding: 0 max(24px, calc((100vw - 1200px) / 2));
  display: flex;
  align-items: center;
  gap: 28px;
  border-bottom: 1px solid var(--line);
  background: white;
}
.header-label {
  border-left: 1px solid var(--line);
  padding-left: 28px;
  color: var(--muted);
  font-size: 14px;
}
.public-header .quiet-link {
  margin-left: auto;
  font-size: 14px;
}
.main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 44px 44px 64px;
  min-height: calc(100vh - 170px);
}
.page {
  min-width: 0;
}
footer {
  padding: 22px 44px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
footer a {
  color: var(--muted);
}
.eyebrow {
  display: block;
  color: var(--purple);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}
.muted,
.caption {
  color: var(--muted);
}
.caption {
  font-size: 13px;
  margin-top: 16px;
}
.center {
  text-align: center;
}
.quiet-link {
  color: var(--muted);
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  background: var(--purple);
  color: white;
  border-radius: 10px;
  min-height: 46px;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
  text-decoration: none;
}
.button:hover {
  background: #4d2064;
  text-decoration: none;
}
.secondary {
  background: white;
  border-color: #ddd5e4;
  color: var(--purple);
}
.secondary:hover {
  background: var(--soft);
}
.small {
  min-height: 38px;
  padding: 8px 14px;
  font-size: 13px;
}
.full-width {
  width: 100%;
}
.panel {
  background: white;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
}
.narrow {
  max-width: 690px;
  margin: 32px auto;
}
.public-intro {
  padding: 12px 0 26px;
}
.public-intro h1 {
  font-size: 48px;
  line-height: 1.13;
  max-width: 730px;
}
.public-intro p {
  color: var(--muted);
  font-size: 17px;
}
.exam-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.exam-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: white;
  padding: 26px;
  color: var(--ink);
  transition:
    border-color 0.15s,
    transform 0.15s;
}
.exam-card:hover {
  text-decoration: none;
  border-color: var(--purple);
  transform: translateY(-2px);
}
.card-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 28px;
}
.grade-number {
  font-size: 50px;
  font-weight: 750;
  line-height: 1;
  color: var(--purple);
}
.grade-number small {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-top: 8px;
}
.tag {
  font-size: 11px;
  background: var(--soft);
  color: var(--purple);
  border-radius: 6px;
  padding: 6px 8px;
  height: fit-content;
}
.exam-card h2 {
  font-size: 20px;
}
.exam-card p {
  font-size: 14px;
  color: var(--muted);
  flex: 1;
}
.card-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-size: 12px;
}
.card-bottom strong {
  color: var(--purple);
}
.help-strip {
  display: flex;
  gap: 20px;
  background: #f0eaf5;
  border-radius: 12px;
  padding: 22px 26px;
  margin-top: 28px;
  color: #655174;
  font-size: 14px;
  align-items: flex-start;
}
.help-strip > strong {
  white-space: nowrap;
}
.help-strip p {
  margin: 6px 0 0;
}
.help-mark {
  border: 1px solid #9273a4;
  border-radius: 50%;
  min-width: 23px;
  line-height: 21px;
  text-align: center;
}
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 240px;
  background: white;
  border-right: 1px solid var(--line);
  padding: 32px 22px;
  display: flex;
  flex-direction: column;
}
.sidebar .brand {
  width: 186px;
  margin: 0 auto 26px;
}
.workspace-label {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--muted);
  margin: 0 10px 25px;
}
.workspace-label span {
  letter-spacing: 0;
  background: var(--soft);
  color: var(--purple);
  padding: 0 6px;
  border-radius: 4px;
}
.sidebar nav {
  display: grid;
  gap: 8px;
}
.sidebar nav a {
  display: flex;
  gap: 13px;
  padding: 12px 14px;
  color: #766e7f;
  font-size: 14px;
  border-radius: 8px;
}
.sidebar nav a.active {
  background: var(--soft);
  color: var(--purple);
  font-weight: 650;
}
.sidebar nav a span {
  width: 20px;
  font-size: 20px;
  line-height: 20px;
  text-align: center;
}
.sidebar-bottom {
  margin-top: auto;
  font-size: 13px;
}
.sidebar-bottom > a {
  display: block;
  padding: 16px 10px;
}
.profile {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.avatar {
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: var(--soft);
  color: var(--purple);
  font-weight: 700;
}
.profile strong {
  font-size: 12px;
}
.profile small {
  display: block;
  color: var(--muted);
  font-size: 10px;
}
.profile form {
  margin-left: auto;
}
.text-button {
  border: 0;
  padding: 4px;
  background: none;
  color: var(--purple);
  font-size: 12px;
}
.admin-page {
  margin-left: 240px;
}
.admin-top {
  height: 73px;
  border-bottom: 1px solid var(--line);
  background: white;
  padding: 0 44px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
}
.admin-top .muted {
  margin: 0 12px;
}
.admin-page .main {
  max-width: 1500px;
  padding-top: 34px;
}
.page-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  margin-bottom: 30px;
}
.page-heading p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}
.page-heading .eyebrow {
  font-size: 10px;
  margin-bottom: 10px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-bottom: 36px;
  padding: 26px 0;
}
.stats > div {
  padding: 0 26px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
}
.stats > div:last-child {
  border: 0;
}
.stats span {
  font-size: 13px;
  color: #655b70;
}
.stats strong {
  font-size: 38px;
  line-height: 1.4;
  font-weight: 650;
  margin: 5px 0;
}
.stats strong em {
  font-style: normal;
  font-size: 20px;
  color: #b7afbe;
}
.stats small {
  font-size: 11px;
  color: var(--muted);
}
.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin: 0 0 18px;
}
.section-title h2 {
  font-size: 20px;
  margin: 0;
}
.section-title > .muted {
  font-size: 12px;
}
.count {
  font-size: 12px;
  display: inline-grid;
  place-items: center;
  background: #eae5ef;
  border-radius: 6px;
  min-width: 25px;
  height: 24px;
  margin-left: 8px;
  color: var(--purple);
  vertical-align: middle;
}
.test-list {
  border: 1px solid var(--line);
  background: white;
  border-radius: 14px;
  overflow: hidden;
}
.test-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
}
.test-row:last-child {
  border-bottom: 0;
}
.class-tile {
  width: 58px;
  height: 64px;
  background: var(--soft);
  color: var(--purple);
  font-weight: 700;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  line-height: 1.1;
  border-radius: 10px;
  flex-shrink: 0;
}
.class-tile small {
  font-size: 11px;
  font-weight: 500;
  margin-top: 4px;
}
.class-tile.yellow {
  background: #fff2bf;
  color: #806624;
}
.test-info {
  flex: 1;
}
.title-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.test-info h3 {
  margin: 0;
  font-size: 15px;
}
.test-info h3 a {
  color: var(--ink);
}
.test-info p {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--muted);
}
.test-info p span {
  margin: 0 7px;
}
.badge {
  font-size: 10px;
  line-height: 1.4;
  padding: 4px 8px;
  border-radius: 5px;
  background: #f1eef3;
  color: #807489;
}
.published {
  background: #eaf5ee;
  color: #367e51;
}
.closed {
  background: #faeded;
  color: #aa514d;
}
.row-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
}
.row-actions form {
  display: flex;
  gap: 8px;
  align-items: center;
}
.icon-button {
  background: var(--soft);
  color: var(--purple);
  border: 0;
  border-radius: 5px;
  min-width: 32px;
  min-height: 32px;
}
.danger {
  color: #a33d43;
}
.registration-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 70px;
  max-width: 1080px;
  margin: auto;
}
.registration-aside h1 {
  font-size: 32px;
}
.large {
  width: 88px;
  height: 100px;
  font-size: 45px;
  margin: 36px 0 24px;
}
.large small {
  font-size: 14px;
}
.fact {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}
.fact strong,
.fact span {
  display: block;
}
.fact span {
  font-size: 13px;
  color: var(--muted);
}
.registration-aside > p {
  font-size: 14px;
}
.registration-panel h2 {
  font-size: 26px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 18px;
  min-width: 0;
}
.form-grid .field {
  margin: 0;
}
.full {
  grid-column: 1/-1;
}
label {
  font-size: 13px;
  font-weight: 550;
  color: #5c5366;
}
input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  width: 100%;
  border: 1px solid #dcd5e2;
  border-radius: 8px;
  background: white;
  color: var(--ink);
  padding: 11px 12px;
  min-height: 44px;
  font-size: 15px;
}
textarea {
  resize: vertical;
}
input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--purple);
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}
form > p > label {
  display: block;
  margin-bottom: 7px;
}
form > p .helptext {
  font-size: 12px;
}
.form-section {
  margin-top: 24px;
  font-size: 15px;
}
.consents {
  margin: 28px 0;
  font-size: 12px;
}
.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 15px 0;
  font-weight: 400;
  line-height: 1.5;
}
.check input {
  margin: 2px 0;
}
.errorlist {
  color: #a22e45;
  font-size: 13px;
  padding-left: 18px;
  margin: 6px 0;
}
.notice {
  padding: 14px 20px;
  background: #fff4cf;
  border-radius: 10px;
  margin-bottom: 22px;
  font-size: 14px;
}
.notice.success {
  background: #eaf5ee;
}
.notice.error {
  background: #fae9ed;
}
.prepare {
  text-align: center;
  padding: 45px;
}
.prepare h1 {
  margin-top: 18px;
}
.duration {
  border-block: 1px solid var(--line);
  padding: 24px;
  margin: 28px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}
.duration strong {
  font-size: 54px;
  color: var(--purple);
  line-height: 1;
}
.duration span {
  max-width: 110px;
  text-align: left;
  color: var(--muted);
  font-size: 14px;
}
.instructions {
  text-align: left;
  font-size: 15px;
  margin-bottom: 30px;
}
.success-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: #eaf5ee;
  color: var(--green);
  display: grid;
  place-items: center;
  font-size: 34px;
  margin: 0 auto 28px;
}
.editor-layout {
  display: grid;
  grid-template-columns: minmax(270px, 0.85fr) minmax(320px, 1.3fr);
  gap: 26px;
  align-items: start;
}
.link-box {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.link-box strong {
  font-size: 13px;
  display: block;
  margin-bottom: 10px;
}
.link-box button {
  margin-top: 10px;
}
.question-row {
  margin-bottom: 14px;
}
.question-row .eyebrow {
  font-size: 10px;
}
.question-form {
  max-width: 900px;
}
.option-editor {
  padding: 20px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  margin: 16px 0;
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 14px;
}
.option-editor .field {
  margin: 0;
}
.option-preview {
  width: 140px;
  max-height: 140px;
  object-fit: contain;
}
.question-form section {
  margin-block: 30px;
}
.filters {
  display: flex;
  align-items: end;
  gap: 14px;
  margin-bottom: 30px;
}
.filters .field {
  margin: 0;
  flex: 1;
}
.filters .field:nth-child(1) {
  flex: 2;
}
.filters .field:nth-child(2) {
  flex: 2;
}
.table-wrap {
  padding: 0;
  overflow: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  white-space: nowrap;
}
th,
td {
  text-align: left;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}
th {
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
  background: #fcfbfd;
}
tr:last-child td {
  border-bottom: 0;
}
.rank {
  display: grid;
  place-items: center;
  background: var(--soft);
  width: 30px;
  height: 30px;
  border-radius: 6px;
  font-weight: 600;
}
.purple {
  color: var(--purple);
}
.empty {
  text-align: center;
  padding: 48px 24px;
  white-space: normal;
  color: var(--muted);
}
.school-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
  font-size: 14px;
}
.school-row:last-child {
  border: 0;
}
.school-row .caption {
  margin: 4px 0 0;
}
.legal-text {
  overflow-wrap: anywhere;
}
.login-panel {
  max-width: 460px;
  margin: 40px auto;
  padding: 36px;
}
.login-panel h1 {
  font-size: 28px;
}
.play-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  gap: 20px;
}
.play-heading h1 {
  font-size: 28px;
}
.timer-box {
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 24px;
  min-width: 170px;
  text-align: center;
}
.timer-box span {
  display: block;
  font-size: 12px;
  color: var(--muted);
}
.timer-box strong {
  font-size: 30px;
  font-variant-numeric: tabular-nums;
  color: var(--purple);
}
.timer-box.urgent {
  background: #fff2cf;
}
.play-layout {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 30px;
  align-items: start;
}
.question-sidebar h3 {
  font-size: 15px;
}
.question-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 18px 0;
}
.question-nav button {
  width: 43px;
  height: 43px;
  border: 1px solid #d9d1e1;
  border-radius: 9px;
  background: white;
  color: var(--ink);
  font-weight: 600;
}
.question-nav button.answered {
  background: var(--soft);
  color: var(--purple);
}
.question-nav button.current {
  background: var(--purple);
  color: white;
  border-color: var(--purple);
}
.legend {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 30px;
}
.legend-dot {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: #ded0e9;
}
.question-sidebar > p {
  font-size: 13px;
}
.task-panel {
  min-height: 420px;
  padding: 34px;
}
.task-panel h2 {
  font-size: 24px;
  white-space: pre-wrap;
}
.task-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 25px;
  margin-top: 34px;
}
#save-state {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}
#save-error {
  color: #ab3e50;
  font-size: 14px;
  margin-top: 18px;
}
#task-body {
  display: grid;
  gap: 12px;
}
.answer-option {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 18px;
  border: 1px solid #ddd5e4;
  border-radius: 10px;
  font-size: 17px;
  cursor: pointer;
}
.answer-option:has(input:checked) {
  border-color: var(--purple);
  background: #f5effa;
}
.answer-option img {
  max-width: 220px;
  max-height: 150px;
  object-fit: contain;
}
.match-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
}
.match-row label {
  font-size: 16px;
}
.dialog-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
dialog {
  border: 0;
  border-radius: 18px;
  padding: 32px;
  max-width: min(560px, calc(100vw - 36px));
  box-shadow: 0 20px 80px #22153333;
}
dialog::backdrop {
  background: #21152d70;
}
[hidden] {
  display: none !important;
}
@media (min-width: 1450px) {
  .main {
    padding-inline: 60px;
  }
  .admin-page .main {
    padding-inline: 54px;
  }
}
@media (max-width: 1100px) {
  .sidebar {
    width: 200px;
    padding: 26px 16px;
  }
  .sidebar .brand {
    width: 160px;
  }
  .admin-page {
    margin-left: 200px;
  }
  .main {
    padding: 30px 25px;
  }
  .admin-top {
    padding-inline: 25px;
  }
  .test-row {
    gap: 14px;
    padding: 20px;
  }
  .row-actions {
    gap: 10px;
  }
  .test-row .row-actions > .quiet-link {
    display: none;
  }
  .stats > div {
    padding: 0 18px;
  }
  .title-line {
    gap: 6px;
  }
  .registration-layout {
    gap: 32px;
  }
  .editor-layout {
    grid-template-columns: 1fr;
  }
  .filters {
    flex-wrap: wrap;
  }
  .filters .field {
    min-width: 100px;
  }
  .exam-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 740px) {
  h1 {
    font-size: 29px;
  }
  .public-header {
    height: 76px;
    padding: 0 20px;
    gap: 12px;
  }
  .public-header .brand {
    width: 145px;
  }
  .header-label {
    display: none;
  }
  .main {
    padding: 28px 20px 42px;
  }
  .public-intro h1 {
    font-size: 36px;
  }
  .public-intro p {
    font-size: 15px;
  }
  .exam-grid {
    grid-template-columns: 1fr;
  }
  .help-strip {
    flex-direction: column;
    gap: 8px;
    padding: 20px;
  }
  .sidebar {
    position: static;
    width: auto;
    padding: 14px 20px;
    border-bottom: 1px solid var(--line);
    border-right: 0;
  }
  .sidebar .brand {
    margin: 0 0 14px;
    width: 150px;
  }
  .workspace-label,
  .sidebar-bottom {
    display: none;
  }
  .sidebar nav {
    display: flex;
    gap: 4px;
    overflow: auto;
  }
  .sidebar nav a {
    font-size: 12px;
    padding: 9px 10px;
    white-space: nowrap;
  }
  .sidebar nav a span {
    display: none;
  }
  .admin-page {
    margin: 0;
  }
  .admin-top {
    height: 46px;
    padding: 0 20px;
    font-size: 10px;
  }
  .admin-top > .muted {
    display: none;
  }
  .page-heading {
    align-items: flex-start;
    margin-bottom: 24px;
  }
  .page-heading .button {
    font-size: 12px;
    padding: 10px 12px;
  }
  .stats {
    padding: 18px 0;
    margin-bottom: 28px;
  }
  .stats > div {
    padding: 0 12px;
  }
  .stats span {
    font-size: 11px;
  }
  .stats strong {
    font-size: 28px;
  }
  .stats small {
    display: none;
  }
  .test-row {
    padding: 18px 14px;
    gap: 12px;
    flex-wrap: wrap;
  }
  .test-row .row-actions {
    width: 100%;
    justify-content: flex-end;
    margin-top: 2px;
  }
  .test-row .row-actions > .quiet-link {
    display: block;
  }
  .test-info h3 {
    font-size: 14px;
  }
  .test-info p {
    font-size: 11px;
  }
  .test-info p span {
    margin: 0 3px;
  }
  .class-tile {
    width: 49px;
    height: 59px;
  }
  .registration-layout {
    grid-template-columns: 1fr;
  }
  .registration-aside .fact,
  .registration-aside .large,
  .registration-aside > p {
    display: none;
  }
  .registration-aside h1 {
    font-size: 25px;
    margin-top: 20px;
  }
  .registration-panel {
    padding: 22px;
  }
  .panel {
    padding: 22px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .full {
    grid-column: auto;
  }
  .consents {
    font-size: 13px;
  }
  .prepare {
    padding: 28px 22px;
    margin: 0 auto;
  }
  .play-heading {
    align-items: flex-start;
  }
  .play-heading h1 {
    font-size: 23px;
  }
  .timer-box {
    min-width: 118px;
    padding: 8px 12px;
  }
  .timer-box strong {
    font-size: 26px;
  }
  .timer-box span {
    font-size: 10px;
  }
  .play-layout {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .question-sidebar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
  }
  .question-sidebar h3,
  .question-sidebar .legend,
  .question-sidebar #progress {
    display: none;
  }
  .question-nav {
    margin: 0;
    flex: 1;
  }
  .question-nav button {
    width: 38px;
    height: 40px;
  }
  .question-sidebar > .button {
    width: auto;
    font-size: 12px;
    min-height: 40px;
    padding: 8px 12px;
  }
  .task-panel {
    padding: 22px;
    min-height: 350px;
  }
  .task-controls {
    flex-wrap: wrap;
  }
  .task-controls #save-state {
    order: 3;
    flex-basis: 100%;
    margin-top: 8px;
  }
  .answer-option {
    font-size: 16px;
    padding: 14px;
  }
  .answer-option img {
    max-width: 150px;
  }
  .match-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .section-title > .muted {
    display: none;
  }
  .option-editor {
    grid-template-columns: 1fr;
  }
  .filters {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 18px;
  }
  .filters .field:first-child,
  .filters .field:nth-child(2) {
    grid-column: 1/-1;
  }
  .filters > button {
    grid-column: 1/-1;
  }
  .table-wrap {
    padding: 0;
  }
  footer {
    padding: 20px;
    font-size: 11px;
    flex-wrap: wrap;
  }
  .demo-label {
    order: 3;
    width: 100%;
  }
  .login-panel {
    margin: 16px auto;
  }
  .dialog-actions .button {
    white-space: normal;
  }
  .task-panel h2 {
    font-size: 21px;
  }
  .editor-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Question illustrations and accessible, full-viewport image viewer. */
.question-image-editor {
  margin: 24px 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fbfafd;
}
.question-image {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(100%, 620px);
  padding: 12px;
  margin: 0 0 22px;
  border: 1px solid #e2dce9;
  border-radius: 14px;
  background: #f8f6fb;
  color: var(--purple);
  cursor: zoom-in;
  overflow: hidden;
}
.question-image img {
  display: block;
  width: 100%;
  height: 280px;
  object-fit: contain;
}
.question-image span {
  padding-top: 10px;
  font-size: 12px;
}
.question-image:hover {
  border-color: var(--purple);
}
.question-image:focus-visible {
  outline: 3px solid #ad83c7;
  outline-offset: 3px;
}
body.image-open {
  overflow: hidden;
}
dialog.image-lightbox {
  position: fixed;
  inset: 0;
  width: 100vw;
  max-width: 100vw;
  height: 100dvh;
  max-height: 100dvh;
  margin: 0;
  padding: 66px 24px 24px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
dialog.image-lightbox[open] {
  display: grid;
  place-items: center;
}
dialog.image-lightbox::backdrop {
  background: rgba(15, 10, 24, 0.9);
}
.image-lightbox > img {
  display: block;
  max-width: 100%;
  max-height: calc(100dvh - 90px);
  object-fit: contain;
  border-radius: 4px;
  background: white;
}
.image-lightbox-close {
  position: fixed;
  right: 20px;
  top: 16px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid #ffffff70;
  border-radius: 50%;
  color: white;
  background: #ffffff22;
  font-size: 34px;
  line-height: 1;
  cursor: pointer;
}
.image-lightbox-close:focus-visible {
  outline: 3px solid white;
  outline-offset: 3px;
}
/* The Python runtime is isolated in a sandbox; CodeMirror stays in the main page. */
.task-panel,
.python-grid > div {
  min-width: 0;
}
.python-workspace {
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.python-heading,
.python-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.python-heading h3 {
  margin: 6px 0 0;
  font-size: 20px;
}
.python-actions .button {
  min-height: 38px;
  padding: 9px 14px;
  font-size: 13px;
}
.python-hint {
  font-size: 13px;
  line-height: 1.7;
}
.python-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
}
.python-grid > div {
  border: 1px solid #ddd5e6;
  border-radius: 12px;
  overflow: hidden;
}
.python-pane-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 11px 14px;
  background: #f3eef8;
  color: var(--purple);
  font-size: 13px;
  font-weight: 600;
}
.python-pane-label span {
  font-size: 11px;
  font-weight: 400;
}
.python-editor .cm-editor {
  height: 470px;
  background: #fff;
  font-size: 14px;
}
.python-editor .cm-scroller {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  line-height: 1.65;
}
.python-editor .cm-gutters {
  background: #faf8fc;
  border-right: 1px solid #ece5f2;
  color: #93859f;
}
.python-editor .cm-focused {
  outline: 2px solid #ad83c7;
  outline-offset: -2px;
}
.python-result {
  min-height: 470px;
  background: #fbfbfd;
}
.python-result > p {
  padding: 16px;
  font-size: 13px;
}
.python-result iframe {
  display: block;
  width: 100%;
  height: 470px;
  border: 0;
}
.python-reference {
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
}
.python-reference summary {
  cursor: pointer;
  color: var(--purple);
}
.python-examples {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.python-examples pre {
  overflow: auto;
  padding: 14px;
  background: #f7f4fa;
  border-radius: 8px;
  color: var(--ink);
}
@media (max-width: 1100px) {
  .python-grid {
    grid-template-columns: 1fr;
  }
  .python-editor .cm-editor {
    height: 300px;
  }
}
@media (max-width: 740px) {
  .question-image img {
    height: 220px;
  }
  .question-image-editor {
    padding: 14px;
  }
  .python-examples {
    grid-template-columns: 1fr;
  }
  .task-controls #next {
    max-width: 65%;
    white-space: normal;
  }
}

/* Quiet hierarchy for the participant's working screen. */
.task-copy {
  min-width: 0;
}
.task-copy .eyebrow {
  margin-bottom: 12px;
}
.task-copy h2 {
  line-height: 1.45;
  margin-bottom: 14px;
}
#task-image:empty,
#save-error:empty,
.code-feedback:empty {
  display: none;
}
.code-task.has-image .task-statement {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 196px;
  align-items: start;
  gap: 24px;
}
.code-task #task-image .question-image {
  margin-bottom: 12px;
  background: white;
  padding: 8px;
}
.code-task #task-image img {
  height: 148px;
}
.code-task #task-help {
  margin-bottom: 0;
}
.code-task .task-copy h2 {
  font-size: 21px;
  font-weight: 600;
}
.python-workspace {
  margin-top: 24px;
  padding-top: 22px;
}
.python-heading h3 {
  margin: 0;
  font-size: 18px;
}
.python-hint {
  margin: 8px 0 18px;
}
.python-grid > div {
  border-color: var(--line);
}
.python-pane-label {
  background: #f7f5fa;
  color: var(--ink);
}
.python-pane-label span {
  color: var(--muted);
}
.python-result {
  color: var(--muted);
  font-size: 13px;
}
.python-result:not(:has(iframe)) {
  padding: 20px;
}
.python-result > p {
  padding: 0;
}
.code-feedback:not(:empty) {
  margin: 14px 0 0;
  padding: 12px 16px;
  border-radius: 9px;
  background: #f4f1f7;
  font-size: 14px;
}
.code-feedback[data-result="success"] {
  background: #edf6f0;
  color: #236342;
}
.python-reference {
  line-height: 1.65;
}
.python-reference summary {
  width: fit-content;
  padding: 4px 0;
}
.python-reference p:first-of-type {
  margin-top: 12px;
}
.answer-option:hover {
  border-color: #b7a0c6;
  background: #fcfafd;
}
.answer-option:has(input:checked) {
  border-color: var(--purple);
  background: #f5effa;
}
.answer-option:focus-within {
  outline: 2px solid #b18ed1;
  outline-offset: 2px;
}
.question-nav button:hover:not(.current) {
  border-color: var(--purple);
}
.exam-card .card-bottom {
  margin-top: auto;
}
@media (min-width: 741px) {
  .question-sidebar {
    position: sticky;
    top: 24px;
    padding: 20px 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: white;
  }
  .question-nav {
    gap: 8px;
  }
  .question-nav button {
    width: 38px;
    height: 40px;
  }
  .question-sidebar .legend {
    margin-bottom: 22px;
  }
  .question-sidebar h3 {
    margin-bottom: 0;
  }
}
@media (max-width: 740px) {
  .code-task.has-image .task-statement {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .code-task #task-image .question-image {
    width: 196px;
  }
  .code-task .task-copy h2 {
    font-size: 19px;
  }
  .python-heading {
    gap: 14px;
  }
  .python-actions {
    gap: 8px;
    justify-content: flex-start;
  }
  .python-actions .button {
    min-height: 42px;
  }
  .task-panel {
    padding: 20px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .exam-card {
    transition: none;
  }
  .exam-card:hover {
    transform: none;
  }
}