@font-face {
  font-family: 'BM JUA';
  src: url("https://fastly.jsdelivr.net/gh/projectnoonnu/noonfonts_one@1.0/BMJUA.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap; }

*,
*::before,
*::after {
  box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%; }

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
li,
figure,
blockquote,
dl,
dd {
  margin: 0;
  padding: 0; }

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: inherit;
  font-weight: inherit; }

ul,
ol {
  list-style: none; }

img,
svg {
  display: block;
  max-width: 100%; }

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

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer; }

a {
  color: inherit;
  text-decoration: none; }

table {
  border-collapse: collapse;
  border-spacing: 0; }

hr {
  border: 0;
  margin: 0; }

html {
  scroll-behavior: smooth; }

body {
  min-width: 768px;
  min-height: 100vh;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.05em;
  color: #333;
  background: #eef7fd;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  word-break: keep-all;
  overflow-wrap: break-word; }

:focus-visible {
  outline: 2px solid #0689d5;
  outline-offset: 2px; }

::selection {
  background: rgba(29, 155, 227, 0.2); }

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

[hidden] {
  display: none !important; }

.container {
  width: 100%;
  max-width: 1720px;
  margin: 0 auto;
  padding: 0 40px; }
  @media (max-width: 1023.98px) {
    .container {
      padding: 0 28px; } }
.page {
  padding: 36px 0 80px; }
  .page--plain {
    padding-top: 78px; }
    @media (max-width: 1279.98px) {
      .page--plain {
        padding-top: 48px; } }
.page-grid {
  display: grid;
  grid-template-columns: 402px minmax(0, 1fr);
  gap: 36px;
  align-items: start;
  padding-left: 7px; }
  .page-grid__aside {
    display: flex;
    flex-direction: column;
    gap: 22px;
    min-width: 0; }
  .page-grid__main {
    display: flex;
    flex-direction: column;
    gap: 36px;
    min-width: 0; }
  @media (max-width: 1599.98px) {
    .page-grid {
      grid-template-columns: 340px minmax(0, 1fr);
      gap: 28px;
      padding-left: 0; } }
  @media (max-width: 1279.98px) {
    .page-grid {
      grid-template-columns: 290px minmax(0, 1fr);
      gap: 24px; } }
  @media (max-width: 1023.98px) {
    .page-grid {
      grid-template-columns: minmax(0, 1fr); } }
.panel {
  position: relative;
  background: #fff;
  border-radius: 50px;
  box-shadow: 0 0 35px 0 #e1f2fd; }
  @media (max-width: 1279.98px) {
    .panel {
      border-radius: 40px; } }
.site-header {
  position: relative;
  z-index: 10;
  height: 88px;
  background: #fff;
  border-bottom: 1px solid #d1dadf; }
  .site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 100%; }
  .site-header__actions {
    display: flex;
    align-items: center;
    gap: 26px;
    min-width: 0; }
    .site-header__actions > .mode-tabs,
    .site-header__actions > .btn {
      flex: none; }
    @media (max-width: 1279.98px) {
      .site-header__actions {
        gap: 16px; } }
.site-header__simple {
  gap: 4px; }

.site-header__actions--teacher {
  gap: 22px; }
  .site-header__actions--teacher > .site-header__simple {
    flex: 0 1 auto; }
  @media (min-width: 1024px) {
    .site-header__actions--teacher .mode-tabs {
      padding: 7px 10px; }
      .site-header__actions--teacher .mode-tabs .mode-tabs__item {
        min-width: 96px;
        padding: 0 18px; } }
.site-header__logout {
  margin: 5px 21px 0 0; }

.site-header__logout-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: background-color 0.18s ease; }
  .site-header__logout-button:hover {
    background: #eff4f7; }

.brand {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-left: 4px;
  flex: none;
  margin-top: 4px; }
  .brand--math {
    padding-left: 17px;
    gap: 17px; }
  .brand__icon {
    position: relative;
    flex: none;
    width: 45px;
    height: 45px;
    border-radius: 13px;
    background: linear-gradient(145.14deg, #b3e3ff 3%, #72cbff 32.64%, #1498e5 92.02%);
    box-shadow: inset 0 0 10px 0 rgba(0, 80, 191, 0.25);
    overflow: hidden; }
    .brand__icon img {
      position: absolute;
      top: 15.56%;
      bottom: 13.33%;
      left: 50%;
      height: 71.11%;
      width: auto;
      max-width: none;
      transform: translateX(-50%);
      object-fit: cover; }
  .brand__text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-family: "Paperlogy", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    letter-spacing: 0;
    line-height: 1.2; }
  .brand__icon--math {
    width: 39px;
    height: 39px;
    border-radius: 50%;
    background: #afe2fd;
    box-shadow: inset 0 -3px 2px 0 #d5e2e9; }
    .brand__icon--math img {
      top: 20.89%;
      left: 17.33%;
      bottom: auto;
      height: auto;
      width: auto;
      transform: none; }
  .brand__title {
    font-size: 14px;
    font-weight: 700;
    color: #333; }
  .brand__sub {
    font-size: 12px;
    font-weight: 400;
    color: #818181; }

.user-menu {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-size: 14px;
  color: #818181;
  white-space: nowrap; }
  .user-menu__name {
    display: flex;
    align-items: baseline;
    min-width: 0;
    font-weight: 600;
    color: #333; }
    .user-menu__name small {
      flex: none;
      margin-left: 4px;
      font-size: 13px;
      font-weight: 500;
      color: #9197a7; }
  .user-menu__text {
    min-width: 0;
    padding-right: 2px;
    margin-right: -2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap; }
  .user-menu form {
    flex: none; }
  .user-menu__logout {
    padding: 4px 2px;
    font-size: 13px;
    color: #9197a7;
    text-decoration: underline;
    text-underline-offset: 3px; }
    .user-menu__logout:hover {
      color: #1d9be3; }
  @media (max-width: 1023.98px) {
    .user-menu__name small {
      display: none; } }
.mode-tabs {
  display: flex;
  align-items: center;
  gap: 9px;
  height: 52px;
  padding: 7px 16px;
  background: #e6f6ff;
  border-radius: 10px; }
  .mode-tabs__item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 95px;
    height: 38px;
    padding: 0 12px;
    border-radius: 10px;
    font-family: "BM JUA", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    font-size: 18px;
    font-weight: 400;
    letter-spacing: -0.05em;
    color: #548dbe;
    white-space: nowrap;
    transition: background-color 0.18s ease, color 0.18s ease; }
    .mode-tabs__item:hover {
      background: rgba(29, 155, 227, 0.1); }
    .mode-tabs__item.is-active {
      background: #1d9be3;
      color: #fff; }
    .mode-tabs__item.is-disabled {
      opacity: 0.45;
      cursor: not-allowed; }
      .mode-tabs__item.is-disabled:hover {
        background: none; }
  @media (max-width: 1023.98px) {
    .mode-tabs {
      padding: 7px 8px;
      gap: 4px; }
      .mode-tabs__item {
        min-width: 84px;
        font-size: 16px; } }
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin-bottom: 36px; }
  .steps__item {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: "Jeju Gothic", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    font-size: 17px;
    font-weight: 400;
    line-height: 22px;
    letter-spacing: -0.05em;
    color: #6e95b1;
    white-space: nowrap; }
  .steps__num {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #beddee;
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    color: #6e95b1; }
  .steps__item.is-current {
    color: #0689d5; }
    .steps__item.is-current .steps__num {
      background: #1d9be3;
      color: #fff; }
  .steps__arrow {
    flex: none;
    width: 85px;
    height: 13px;
    object-fit: cover;
    object-position: right center; }
  @media (max-width: 1279.98px) {
    .steps {
      gap: 18px; }
      .steps__arrow {
        width: 56px; } }
  @media (max-width: 1023.98px) {
    .steps {
      gap: 12px; }
      .steps__item {
        gap: 8px;
        font-size: 16px; }
      .steps__arrow {
        width: 36px; } }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-family: "BM JUA", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.05em;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease; }
  .btn:active:not(:disabled) {
    transform: translateY(1px); }
  .btn:disabled, .btn.is-disabled {
    cursor: not-allowed;
    opacity: 0.45;
    pointer-events: none; }
  .btn__icon {
    flex: none;
    width: 24px;
    height: 24px; }
  .btn--primary {
    background: #1d9be3;
    color: #fff; }
    .btn--primary:hover {
      background: #1989c9; }
  .btn--pink {
    background: #f15bb8;
    color: #fff; }
    .btn--pink:hover {
      background: #ef3fac; }
  .btn--outline {
    background: #fff;
    border-color: #e4ecf3;
    color: #9197a7; }
    .btn--outline:hover {
      border-color: #1d9be3;
      color: #1d9be3; }
  .btn--outline-primary {
    background: #fff;
    border-color: #1d9be3;
    color: #1d9be3; }
    .btn--outline-primary:hover {
      background: #ebf6fd; }
  .btn--soft {
    background: #ebf6fd;
    color: #1d9be3; }
    .btn--soft:hover {
      background: #ddf0fc; }
  .btn--gray {
    background: #5d7080;
    color: #fff; }
    .btn--gray:hover {
      background: #50606e; }
  .btn--sm {
    height: 38px;
    padding: 0 18px;
    font-size: 16px; }
  .btn--lg {
    height: 57px;
    padding: 0 44px;
    border-radius: 16px;
    font-size: 24px; }
  .btn--block {
    display: flex;
    width: 100%; }
  .btn--header {
    min-width: 137px;
    height: 52px;
    padding: 0 30px;
    font-size: 18px; }
    @media (max-width: 1023.98px) {
      .btn--header {
        min-width: 0;
        padding: 0 18px;
        font-size: 16px; } }
.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 33px;
  padding: 0 17px;
  border-radius: 99px;
  background: #eef7fd;
  font-family: "Jeju Gothic", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 15px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.05em;
  color: #1d9be3;
  white-space: nowrap; }
  .tag--outline-light {
    background: transparent;
    border: 1px solid #eef7fd;
    color: #eef7fd; }

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 33px;
  padding: 6px 17px;
  border-radius: 10px;
  background: #eef7fd;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.05em;
  color: #1d9be3;
  text-align: center; }
  .chip--solid {
    border-radius: 99px;
    background: #1d9be3;
    color: #fff; }

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 10px; }

.num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background: #1d9be3;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  color: #fff; }
  .num-badge--sm {
    width: 22px;
    height: 22px;
    font-size: 13px; }
  .num-badge--square {
    border-radius: 10px; }

.side-card :focus-visible {
  outline-color: #0b3d63; }

.side-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 540px;
  padding: 44px 38px 38px;
  border-radius: 40px;
  background: linear-gradient(0deg, #54bbff 0%, #079cff 103.99%);
  box-shadow: 0 0 35px 0 #e1f2fd;
  color: #fff;
  overflow: hidden; }
  .side-card__tag {
    align-self: flex-start; }
  .side-card__title {
    margin-top: 22px;
    padding-left: 4px;
    font-family: "BM JUA", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    font-size: 30px;
    font-weight: 400;
    line-height: 40px;
    letter-spacing: -0.05em; }
  .side-card__score {
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    font-weight: 700;
    line-height: 40px;
    letter-spacing: 0;
    white-space: nowrap; }
    .side-card__score strong {
      font-size: 38px;
      font-weight: 700; }
    .side-card__score span {
      font-size: 20px;
      color: #b6dbff; }
  .side-card__desc {
    margin-top: 15px;
    padding-left: 6px;
    font-size: 18px;
    line-height: 25px;
    letter-spacing: -0.05em; }
  .side-card__divider {
    height: 1px;
    margin: 50px 2px 28px;
    background: rgba(255, 255, 255, 0.4); }
  .side-card__subtitle {
    font-size: 20px;
    font-weight: 700;
    line-height: 25px;
    letter-spacing: -0.05em; }
  .side-card__chips {
    margin-top: 16px; }
    .side-card__chips .chip {
      min-width: 120px; }
  .side-card__empty {
    font-size: 16px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.85); }
  @media (max-width: 1279.98px) {
    .side-card {
      min-height: 0;
      padding: 32px 26px 28px;
      border-radius: 30px; }
      .side-card__title {
        font-size: 26px;
        line-height: 34px; }
      .side-card__desc {
        font-size: 16px;
        line-height: 23px; }
      .side-card__divider {
        margin: 28px 0 22px; } }
.learning-card {
  min-height: 626px; }
  .learning-card__heading {
    display: flex;
    align-items: flex-start;
    flex-wrap: wrap;
    column-gap: 24px; }
    .learning-card__heading .side-card__score {
      display: inline-flex;
      align-items: baseline;
      height: 40px;
      margin-top: -2px; }
      .learning-card__heading .side-card__score strong,
      .learning-card__heading .side-card__score span {
        line-height: 40px; }
  @media (max-width: 1279.98px) {
    .learning-card {
      min-height: 0; } }
.action-bar {
  display: flex;
  align-items: center;
  gap: 21px;
  min-height: 95px;
  padding: 16px 39px 16px 43px;
  background: #fff;
  border-radius: 30px;
  box-shadow: 0 0 35px 0 #e1f2fd; }
  .action-bar__icon {
    flex: none;
    width: 25px;
    height: 25px; }
  .action-bar__text {
    flex: 1;
    min-width: 0;
    font-family: "Jeju Gothic", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    font-size: 17px;
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: -0.05em;
    color: #5f7684; }
  .action-bar__button {
    flex: none;
    min-width: 161px; }
  @media (max-width: 1023.98px) {
    .action-bar {
      padding: 16px 24px;
      gap: 14px; } }
.toast-stack {
  position: fixed;
  top: 104px;
  left: 50%;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: max-content;
  max-width: calc(100vw - 48px);
  transform: translateX(-50%);
  pointer-events: none; }
  body:not(:has(.site-header)) .toast-stack {
    top: 24px; }

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 320px;
  max-width: 560px;
  padding: 14px 18px 14px 20px;
  border-left: 4px solid #1d9be3;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 30px rgba(19, 88, 140, 0.16);
  font-size: 16px;
  line-height: 1.45;
  color: #333;
  pointer-events: auto;
  animation: toast-in 0.25s ease; }
  .toast__text {
    flex: 1; }
  .toast__close {
    flex: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    font-size: 18px;
    line-height: 24px;
    color: #5f6677; }
    .toast__close:hover {
      background: #eff4f7;
      color: #333; }
  .toast--success {
    border-left-color: #2fb37c; }
  .toast--warning {
    border-left-color: #f39a34; }
  .toast--error {
    border-left-color: #e5484d; }
  .toast.is-leaving {
    animation: toast-out 0.25s ease forwards; }

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-8px); }
  to {
    opacity: 1;
    transform: none; } }

@keyframes toast-out {
  to {
    opacity: 0;
    transform: translateY(-8px); } }

.status-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 88px);
  padding: 60px 24px; }
  .status-page__card {
    width: 100%;
    max-width: 560px;
    padding: 56px 48px;
    text-align: center; }
  .status-page__mascot {
    width: 72px;
    margin: 0 auto 20px;
    transform: rotate(25.3deg); }
  .status-page__code {
    font-family: "BM JUA", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    font-size: 56px;
    font-weight: 400;
    line-height: 1;
    color: #1d9be3; }
  .status-page__title {
    margin-top: 14px;
    font-family: "BM JUA", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    font-size: 26px;
    font-weight: 400;
    color: #333; }
  .status-page__desc {
    margin-top: 10px;
    font-size: 17px;
    color: #777; }
  .status-page__actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px; }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 56px 24px;
  text-align: center;
  color: #9197a7; }
  .empty-state__mascot {
    width: 56px;
    transform: rotate(25.3deg); }
  .empty-state__title {
    font-family: "BM JUA", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    font-size: 22px;
    font-weight: 400;
    color: #333; }
  .empty-state__desc {
    font-size: 16px;
    color: #5f6677; }

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