/* ============================================
   M3: Main page
   ============================================ */

.home-page.page {
  width: min(1440px, 100%);
  overflow: visible;
}

.hero {
  position: relative;
  width: 100%;
  height: 600px;
  background-color: var(--primary);
  background-image:
    linear-gradient(rgb(15 23 42 / 62%), rgb(15 23 42 / 62%)),
    url("/static/img/background-20200912.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  overflow: hidden;
}

.hero__dot-pattern {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  pointer-events: none;
}

.hero__dot-row {
  display: flex;
  width: 100%;
  height: 48px;
}

.hero__dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgb(255 255 255 / 2%);
  flex: 0 0 48px;
}

.hero__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 120px;
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 100px;
  background: rgb(255 255 255 / 12.5%);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--status-success);
}

.hero__badge-text {
  color: rgb(255 255 255 / 80%);
  font-family: Inter, sans-serif;
  font-size: 14px;
  font-weight: 600;
}

.hero__title {
  margin: 0;
  color: var(--text-on-primary);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 56px;
  font-weight: 800;
  line-height: 1.15;
}

.hero__subtitle {
  margin: 0;
  color: var(--text-on-primary);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
}

.hero__desc {
  max-width: 700px;
  margin: 0;
  color: var(--text-on-primary-muted);
  font-family: Inter, sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.65;
}

.hero__cta {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

/* 히어로 메인 CTA: 스크린샷처럼 흰 배경 + 보라 글자 */
.hero__cta-primary.pill-button {
  background: var(--text-on-primary);
  color: var(--primary);
  box-shadow: 0 8px 20px rgb(0 0 0 / 12%);
}

.hero__cta-primary.pill-button:hover {
  background: rgb(255 255 255 / 95%);
  color: var(--primary-dark);
  text-decoration: none;
}

.hero__cta-primary.pill-button:focus-visible {
  box-shadow:
    0 0 0 3px rgb(255 255 255 / 5%),
    0 0 0 6px rgb(167 139 250 / 35%),
    0 8px 20px rgb(0 0 0 / 12%);
}

.hero__cta-ghost.pill-button-outline {
  border-color: rgb(255 255 255 / 70%);
  background: rgb(255 255 255 / 8%);
  color: var(--text-on-primary);
}

.hero__cta-ghost.pill-button-outline:hover {
  border-color: rgb(255 255 255 / 95%);
  background: rgb(255 255 255 / 16%);
  color: var(--text-on-primary);
}

.hero__cta-ghost.pill-button-outline:focus-visible {
  box-shadow: 0 0 0 3px rgb(255 255 255 / 35%);
}

.date-strip {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 16px;
  padding: 32px 80px;
  background: var(--bg-card);
}

.date-strip__item {
  color: inherit;
  text-decoration: none;
}

.date-strip__item:hover,
.date-strip__item:focus-visible {
  text-decoration: none;
}

.date-strip__divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

.date-info__icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
}

.date-info__icon-wrap--primary {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.date-info__icon-wrap--tertiary {
  background: var(--tertiary-soft);
  color: var(--tertiary-dark);
}

.date-info__icon-wrap--secondary {
  background: var(--secondary-soft);
  color: var(--secondary-dark);
}

.date-info__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  font-size: 18px;
  line-height: 1;
}

.board-section {
  display: flex;
  gap: 32px;
  min-width: 0;
}

.board-section__panel {
  display: flex;
  flex: 1;
  flex-basis: 0;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.board-section__list {
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  background: var(--bg-card);
  overflow: hidden;
}

.board-section__item-link {
  color: inherit;
  text-decoration: none;
}

.board-section__item-link:hover,
.board-section__item-link:focus-visible {
  background: var(--primary-soft);
  text-decoration: none;
}

.board-section__list .list-item {
  gap: 12px;
}

.board-section__list .list-item__title {
  max-width: none;
}

.board-section__list .list-item:last-child {
  border-bottom: 0;
}

.board-section__empty {
  margin: 0;
  padding: 56px 20px;
  color: var(--text-secondary);
  font-family: Inter, sans-serif;
  font-size: 14px;
  text-align: center;
}

.feature-cards {
  display: flex;
  flex-direction: column;
  gap: 32px;
  background: var(--bg-section);
}

.feature-cards__header {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-cards__tag-wrap {
  display: flex;
  justify-content: center;
}

.feature-cards__tag-wrap .tag-badge {
  width: max-content;
  flex-shrink: 0;
}

.feature-cards__title {
  margin: 0;
  color: var(--text-primary);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
}

.feature-cards__desc {
  margin: 0;
  color: var(--text-secondary);
  font-family: Inter, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
}

.feature-cards__grid {
  display: flex;
  gap: 24px;
  min-width: 0;
}

@media (width <= 1439px) {
  .hero__content {
    padding: 0 80px;
  }

  .date-strip,
  .home-page .section {
    padding-right: 64px;
    padding-left: 64px;
  }
}

@media (width <= 1023px) {
  .hero {
    height: 480px;
  }

  .hero__content {
    gap: 14px;
    padding: 0 48px;
  }

  .hero__title {
    font-size: 44px;
  }

  .hero__subtitle {
    font-size: 24px;
  }

  .hero__desc {
    font-size: 16px;
  }

  .date-strip,
  .home-page .section {
    padding-right: 24px;
    padding-left: 24px;
  }

  .date-strip {
    flex-wrap: wrap;
    justify-content: center;
  }

  .feature-cards__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-cards__grid .feature-card:last-child {
    grid-column: span 2;
  }
}

@media (width <= 767px) {
  .hero {
    height: 400px;
  }

  .hero__content {
    gap: 12px;
    padding: 0 16px;
  }

  .hero__title {
    font-size: 34px;
  }

  .hero__subtitle {
    font-size: 22px;
  }

  .hero__desc {
    font-size: 15px;
    line-height: 1.55;
  }

  .hero__cta {
    width: 100%;
    flex-direction: column;
  }

  .hero__cta .pill-button,
  .hero__cta .pill-button-outline {
    width: 100%;
  }

  .date-strip {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 24px 16px;
  }

  .date-strip__item {
    width: 100%;
  }

  .date-strip__divider {
    width: 100%;
    height: 1px;
  }

  .home-page .section {
    padding: 40px 16px;
  }

  .board-section {
    flex-direction: column;
  }

  .board-section__list .list-item {
    gap: 8px;
    padding: 14px 16px;
  }

  .board-section__list .list-item__date {
    font-size: 12px;
  }

  .feature-cards__title {
    font-size: 28px;
  }

  .feature-cards__desc {
    font-size: 15px;
  }

  .feature-cards__grid {
    grid-template-columns: 1fr;
  }

  .feature-cards__grid .feature-card:last-child {
    grid-column: span 1;
  }
}

/* ============================================
   M4: Sub pages
   ============================================ */

.about-page.page,
.content-page.page,
.notice-page.page,
.news-page.page,
.qna-page.page,
.participation-page.page,
.application-page.page {
  width: min(1440px, 100%);
}

.divider,
.content-divider,
.participation-divider,
.application-divider {
  width: 100%;
  height: 1px;
  background: var(--border-light);
}

.about-section,
.history-section,
.countries-section,
.content-section,
.notice-table-section,
.qna-table-section,
.news-table-section,
.participation-intro,
.participation-steps,
.participation-detail,
.application-section,
.payment-section {
  padding: 64px 80px;
}

.about-section,
.countries-section,
.content-section,
.participation-intro,
.application-section,
.payment-section {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.history-section,
.participation-steps {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.section-header {
  align-items: center;
}

.about-section .section-header__title,
.history-section .section-header__title,
.countries-section .section-header__title {
  font-size: 28px;
  font-weight: 800;
}

.about-section__body,
.countries-section__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-section__body p,
.countries-section__body p {
  margin: 0;
  font-family: Inter, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.history-block {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.history-block__title {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.history-block__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.history-block__list p {
  margin: 0;
  font-family: Inter, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.committee-section,
.teacher-section {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 56px 80px;
}

.committee-section {
  background: var(--bg-section);
}

.committee-section__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.committee-section__body p {
  margin: 0;
  font-family: Inter, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 300px;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  background: var(--bg-page);
  overflow: auto;
}

.image-placeholder img {
  width: 100%;
  max-width: 920px;
  height: auto;
  object-fit: contain;
}

.content-section {
  gap: 32px;
}

.content-section--alt {
  background: var(--bg-section);
}

.content-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.content-section__title {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
}

.content-section__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.content-section__paragraph,
.content-section__list-item {
  margin: 0;
  font-family: Inter, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.content-section__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.notice-table-section,
.qna-table-section,
.news-table-section {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 24px;
  padding-top: 48px;
  padding-bottom: 48px;
  overflow-x: hidden;
}

.board-table-scroll {
  width: 100%;
  overflow-x: auto;
}

.notice-table-section .board-table,
.qna-table-section .board-table,
.news-table-section .board-table {
  width: 100%;
  min-width: 720px;
}

.board-table__title-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
  text-decoration: none;
}

.board-table__title-link:hover,
.board-table__title-link:focus-visible {
  color: var(--primary-dark);
  text-decoration: none;
}

.board-table__title-icon {
  color: var(--text-tertiary);
}

.board-table__comment-count {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  color: var(--text-tertiary);
  font-size: 12px;
}

.board-table__th--author,
.board-table__cell--author {
  width: 140px;
  text-align: center;
}

.board-table__th--visibility,
.board-table__cell--visibility {
  width: 100px;
  text-align: center;
}

.board-table__cell {
  font-family: Inter, sans-serif;
  font-size: 14px;
  color: var(--text-secondary);
}

.board-table__row--pinned {
  background: var(--primary-soft);
}

.board-table__row--private {
  background: rgb(254 242 242 / 45%);
}

.board-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--text-on-primary);
  font-size: 12px;
  font-weight: 700;
}

.board-visibility {
  font-size: 12px;
  font-weight: 600;
}

.board-visibility--public {
  color: var(--text-success);
}

.board-visibility--private {
  color: var(--text-error);
}

.board-pagination__btn {
  text-decoration: none;
}

.qna-title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.qna-title-bar__title {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.qna-write-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: 8px;
  background: var(--primary);
  color: var(--text-on-primary);
  font-family: Inter, sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.qna-write-btn:hover,
.qna-write-btn:focus-visible {
  background: var(--primary-dark);
  color: var(--text-on-primary);
  text-decoration: none;
}

.participation-intro__title {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
}

.participation-intro__text {
  margin: 0;
  font-family: Inter, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.participation-steps {
  background: var(--bg-section);
}

.participation-steps__title {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
}

.participation-steps__row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
}

.step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 28px 20px;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  background: var(--bg-page);
  text-align: center;
}

.step-card__badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 20px;
  background: var(--primary);
  color: var(--text-on-primary);
  font-family: Inter, sans-serif;
  font-size: 16px;
  font-weight: 700;
}

.step-card__icon {
  width: 32px;
  height: 32px;
  color: var(--primary);
}

.step-card__title {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.step-card__desc {
  margin: 0;
  font-family: Inter, sans-serif;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.participation-detail {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.participation-detail__header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.participation-detail__badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 16px;
  background: var(--primary);
  color: var(--text-on-primary);
  font-size: 14px;
  font-weight: 700;
}

.participation-detail__title {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.participation-detail__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.participation-detail__text {
  margin: 0;
  font-family: Inter, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.participation-detail__sublist {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
}

.application-title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.application-title-bar__left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.application-title-bar__title,
.payment-section__title {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.application-title-bar__badge {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
}

.application-title-bar__badge--danger {
  background: var(--bg-error);
  color: var(--text-error);
}

.application-btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.application-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
}

.application-btn__icon {
  color: var(--primary);
}

.application-btn__text {
  color: inherit;
}

.application-btn--primary {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--text-on-primary);
}

.application-btn--primary .application-btn__icon {
  color: var(--text-on-primary);
}

.application-btn:hover,
.application-btn:focus-visible {
  color: var(--text-primary);
  text-decoration: none;
}

.application-btn--primary:hover,
.application-btn--primary:focus-visible {
  background: var(--primary-dark);
  color: var(--text-on-primary);
}

.application-alert {
  margin: 0;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--bg-error);
  color: var(--text-error);
  font-size: 14px;
  font-weight: 600;
}

.application-table-scroll,
.payment-table-scroll {
  overflow-x: auto;
}

.payment-page-card .card-header {
  display: flex;
  align-items: center;
  min-height: 60px;
}

.payment-page-card .card-header h4 {
  float: none;
  line-height: 1.3;
}

.payment-page-table-wrap {
  margin-bottom: 20px;
}

.payment-page-actions {
  row-gap: 12px;
}

.payment-page-actions .btn {
  min-height: 44px;
}

.payment-page-actions__right .btn {
  min-width: 116px;
}

.app-table,
.pay-table {
  margin: 0;
}

.app-table th,
.app-table td,
.pay-table th,
.pay-table td {
  text-align: center;
  white-space: nowrap;
}

.app-table th,
.pay-table th {
  border-top: 0;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-card);
  color: var(--text-subtle);
  font-size: 12px;
  font-weight: 600;
}

.app-table td,
.pay-table td {
  border-top: 1px solid var(--border-light);
  font-size: 13px;
  color: var(--text-secondary);
}

.app-table th:nth-child(5),
.app-table td:nth-child(5),
.pay-table th:nth-child(2),
.pay-table td:nth-child(2) {
  text-align: left;
}

.app-status {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.app-status--paid {
  background: var(--bg-success);
  color: var(--text-success);
}

.app-status--unpaid {
  background: var(--bg-error);
  color: var(--text-error);
}

.app-table__actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.app-action-link {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.app-action-link:hover,
.app-action-link:focus-visible {
  text-decoration: none;
}

.app-action-link--primary {
  color: var(--primary);
}

.app-action-link--success {
  color: var(--text-success);
}

.app-action-link--info {
  color: var(--info);
}

.app-action-link--danger {
  color: var(--text-error);
}

.app-action-link--rose {
  color: var(--secondary-dark);
}

.app-action-link--button {
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.app-table__empty-cell,
.pay-table__empty-cell {
  height: 120px;
  color: var(--text-tertiary);
  text-align: center;
  vertical-align: middle;
}



.register-form {
  display: flex;
  flex-direction: column;
}

.register-form .form-control,
.register-form input,
.register-form select,
.register-form textarea {
  box-sizing: border-box;
  max-width: 100%;
}

.register-form__group-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 16px;
}

.register-form__group-item {
  min-width: 0;
  padding-right: 4px;
  padding-left: 4px;
}

.register-form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 10px;
}

.register-form__actions .btn {
  min-height: 38px;
}

.register-form__cancel-button {
  margin-left: 0;
}


.main.board-detail-page {
  margin-top: 0;
}

.main.main-raised.board-detail-page {
  padding: 40px 0;
}

.board-detail-page .card {
  border: 1px solid var(--border-light);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgb(15 23 42 / 6.3%);
}

.board-detail-page .card-header.card-header-info {
  padding: 28px 32px;
  border-bottom: 1px solid var(--border-light);
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary-dark) 9.4%, transparent), color-mix(in srgb, var(--info) 8.2%, transparent));
}

.board-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.board-detail-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
  color: var(--text-tertiary);
  font-size: 13px;
}

.board-detail-header__board-name {
  color: var(--text-tertiary);
  font-family: Inter, sans-serif;
  font-size: 13px;
  font-weight: 600;
}

.board-detail-title {
  margin: 0;
  color: var(--text-primary);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.45;
}

.board-detail-title__lock {
  margin-right: 6px;
  vertical-align: middle;
  color: var(--text-tertiary);
}

.board-detail-title__private {
  margin-left: 8px;
  color: var(--text-error);
  font-size: 13px;
  font-weight: 700;
}

.board-detail-page .card-body {
  padding: 28px 32px;
}

.board-detail-attachments {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  padding: 14px 16px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--bg-card);
}

.board-detail-attachment-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  color: var(--primary-dark);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}

.board-detail-attachment-link:hover,
.board-detail-attachment-link:focus-visible {
  color: var(--primary);
  text-decoration: none;
}

.board-detail-comments {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.board-detail-comment {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--bg-card);
}

.board-detail-comment .card-body {
  padding: 16px 18px;
}

.board-detail-comment__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--text-tertiary);
  font-size: 13px;
}

.board-detail-comment__actions {
  display: inline-flex;
  gap: 8px;
}

.board-detail-comment__actions a {
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 600;
}

.board-detail-comment__actions a:hover,
.board-detail-comment__actions a:focus-visible {
  color: var(--primary);
  text-decoration: none;
}

.board-detail-comment-form {
  margin-top: 16px;
}

.board-detail-comment-form .card {
  box-shadow: none;
}

.board-detail-comment-submit {
  margin-top: 12px;
}

.board-detail-page .btn.btn-sm {
  min-height: 36px;
  padding: 8px 14px;
  font-size: 14px;
}

.board-detail-page .btn-primary {
  background: var(--primary);
  border-color: var(--primary);
}

.board-detail-page .btn-primary:hover,
.board-detail-page .btn-primary:focus-visible {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.board-detail-page .btn-info {
  background: #0284c7;
  border-color: #0284c7;
}

.board-detail-page .btn-info:hover,
.board-detail-page .btn-info:focus-visible {
  background: #0369a1;
  border-color: #0369a1;
}

.board-detail-page .btn-warning {
  background: #f59e0b;
  border-color: #f59e0b;
}

.board-detail-page .btn-warning:hover,
.board-detail-page .btn-warning:focus-visible {
  background: #d97706;
  border-color: #d97706;
}

.board-detail-page .btn-danger {
  background: #dc2626;
  border-color: #dc2626;
}

.board-detail-page .btn-danger:hover,
.board-detail-page .btn-danger:focus-visible {
  background: #b91c1c;
  border-color: #b91c1c;
}

.board-detail-page .btn-default {
  background: #6b7280;
  border-color: #6b7280;
}

.board-detail-page .btn-default:hover,
.board-detail-page .btn-default:focus-visible {
  background: #4b5563;
  border-color: #4b5563;
}

.board-detail-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

.board-detail-actions__left,
.board-detail-actions__right {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.board-detail-actions .btn {
  white-space: nowrap;
}

.board-detail-actions .board-detail-action-btn {
  height: 44px;
  min-height: 44px;
  padding-top: 0;
  padding-bottom: 0;
  box-sizing: border-box;
}

.board-detail-actions button.board-detail-action-btn {
  appearance: none;
}

.board-detail-actions__left > .btn,
.board-detail-actions__right > .btn,
.board-detail-actions__left > form > .btn,
.board-detail-actions__right > form > .btn {
  min-width: 64px;
}

@media (width <= 1023px) {
  .main.main-raised.board-detail-page {
    padding: 24px 0;
  }

  .board-detail-page .card-header.card-header-info,
  .board-detail-page .card-body {
    padding: 20px;
  }

  .board-detail-title {
    font-size: 22px;
  }
}

@media (width <= 767px) {
  .board-detail-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .board-detail-actions {
    flex-wrap: wrap;
  }

  .board-detail-actions__left,
  .board-detail-actions__right {
    flex-wrap: wrap;
  }

  .board-detail-actions__left > .btn,
  .board-detail-actions__left > form,
  .board-detail-actions__right > .btn,
  .board-detail-actions__right > form {
    margin-right: 0;
    margin-left: 0;
  }

  .board-detail-actions__left form .btn,
  .board-detail-actions__right form .btn {
    margin-right: 0;
    margin-left: 0;
  }
}

/* ============================================
   M5: Auth modals
   ============================================ */

.auth-page {
  width: 100%;
  max-width: 1440px;
  box-sizing: border-box;
  min-height: 640px;
  margin: 0 auto;
  padding: 56px 24px;
  overflow-x: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 12% 12%, rgb(139 92 246 / 10%), transparent 38%),
    radial-gradient(circle at 88% 88%, rgb(20 184 166 / 9%), transparent 42%),
    var(--bg-page);
}

.auth-modal {
  width: min(840px, 100%);
  min-height: 520px;
  display: flex;
  background: var(--bg-page);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgb(0 0 0 / 9.4%);
}

.auth-modal__image-side {
  position: relative;
  width: 360px;
  min-height: 520px;
  background: var(--primary);
  overflow: hidden;
}

.auth-modal__image-side--register {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 40px;
}

.auth-modal__image-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 40px;
}

.auth-modal__image-icon {
  color: rgb(255 255 255 / 25%);
}

.auth-modal__image-title {
  width: 280px;
  margin: 0;
  color: var(--text-on-primary);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
}

.auth-modal__image-text {
  margin: 0;
  color: var(--text-on-primary-muted);
  font-family: Inter, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}

.auth-dot-pattern {
  position: absolute;
  inset: 0;
}

.auth-dot {
  position: absolute;
  border-radius: 50%;
}

.auth-dot--1 {
  top: -20px;
  left: -30px;
  width: 120px;
  height: 120px;
  background: rgb(255 255 255 / 8.2%);
}

.auth-dot--2 {
  top: 100px;
  left: 60px;
  width: 150px;
  height: 150px;
  background: rgb(255 255 255 / 6.3%);
}

.auth-dot--3 {
  top: 350px;
  left: 200px;
  width: 140px;
  height: 140px;
  background: rgb(255 255 255 / 6.3%);
}

.auth-dot--4 {
  top: 420px;
  left: 10px;
  width: 90px;
  height: 90px;
  background: rgb(255 255 255 / 8.2%);
}

.auth-dot--5 {
  top: 220px;
  left: 160px;
  width: 110px;
  height: 110px;
  background: rgb(255 255 255 / 7.1%);
}

.auth-modal__form-side {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding: 48px;
}

.auth-modal__form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.auth-modal__title {
  margin: 0;
  color: var(--text-primary);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
}

.auth-modal__desc {
  margin: -8px 0 0;
  color: var(--text-secondary);
  font-family: Inter, sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

.auth-fields {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.auth-input-field {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  transition: border-color 150ms ease;
}

.auth-input-field:focus-within {
  border-bottom-color: var(--primary);
}

.auth-input-field__icon {
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.auth-input-field--error {
  border-bottom: 2px solid var(--status-error);
}

.auth-input-field--error .auth-input-field__icon {
  color: var(--text-subtle);
}

.auth-input-field__control {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  font-family: Inter, sans-serif;
  font-size: 15px;
  line-height: 1.3;
}

.auth-input-field__control::placeholder {
  color: var(--text-tertiary);
}

.auth-input-field__control:focus {
  outline: none;
}

.auth-btn-row {
  width: 100%;
  display: flex;
  gap: 16px;
}

.auth-btn-row__button {
  flex: 1;
}

.auth-btn-row--register .auth-btn-row__button {
  width: 100%;
}

.auth-btn-row__button.pill-button,
.auth-btn-row__button.pill-button-outline {
  justify-content: center;
}

.auth-modal__link {
  color: var(--primary);
  font-family: Inter, sans-serif;
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
}

.auth-modal__link:hover,
.auth-modal__link:focus-visible {
  color: var(--primary-dark);
  text-decoration: none;
}

.auth-error-message {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--bg-error);
}

.auth-error-message__icon {
  color: var(--status-error);
  flex-shrink: 0;
}

.auth-error-message__text {
  color: var(--text-error);
  font-family: Inter, sans-serif;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.45;
}

.auth-toast {
  width: min(400px, 100%);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 24px;
  border-radius: 16px;
  background: var(--bg-page);
  box-shadow: 0 8px 32px rgb(0 0 0 / 8.2%);
}

.auth-toast__icon-wrap {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--bg-success);
  flex-shrink: 0;
}

.auth-toast__icon {
  color: var(--status-success);
}

.auth-toast__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.auth-toast__title {
  color: var(--text-primary);
  font-family: Inter, sans-serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.auth-toast__desc {
  margin: 0;
  color: var(--text-secondary);
  font-family: Inter, sans-serif;
  font-size: 13px;
  line-height: 1.45;
}

.auth-toast__close {
  width: 20px;
  height: 20px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-tertiary);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.auth-toast__close:hover,
.auth-toast__close:focus-visible {
  color: var(--text-subtle);
}

@media (width <= 1439px) {
  .about-section,
  .history-section,
  .countries-section,
  .content-section,
  .notice-table-section,
  .qna-table-section,
  .news-table-section,
  .participation-intro,
  .participation-steps,
  .participation-detail,
  .application-section,
  .payment-section,
  .committee-section,
  .teacher-section {
    padding-right: 64px;
    padding-left: 64px;
  }
}

@media (width <= 1023px) {
  .about-section,
  .history-section,
  .countries-section,
  .content-section,
  .notice-table-section,
  .qna-table-section,
  .news-table-section,
  .participation-intro,
  .participation-steps,
  .participation-detail,
  .application-section,
  .payment-section,
  .committee-section,
  .teacher-section {
    padding: 40px 24px;
  }

  .participation-steps__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step-card:last-child {
    grid-column: span 2;
  }

  .application-title-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .board-table {
    min-width: 760px;
  }

  .auth-page {
    min-height: 560px;
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .auth-modal {
    width: min(700px, 100%);
    min-height: 480px;
  }

  .auth-modal__image-side {
    width: 300px;
    min-height: 480px;
  }

  .auth-modal__form-side {
    padding: 36px;
  }
}

@media (width <= 767px) {
  .about-section,
  .history-section,
  .countries-section,
  .content-section,
  .notice-table-section,
  .qna-table-section,
  .news-table-section,
  .participation-intro,
  .participation-steps,
  .participation-detail,
  .application-section,
  .payment-section,
  .committee-section,
  .teacher-section {
    padding: 24px 16px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-header .pill-button-outline {
    width: auto;
    min-height: 38px;
    padding: 8px 14px;
    border-width: 1px;
    border-radius: 8px;
  }

  .about-section .section-header__title,
  .history-section .section-header__title,
  .countries-section .section-header__title,
  .content-section__title,
  .participation-intro__title,
  .participation-steps__title,
  .participation-detail__title,
  .application-title-bar__title,
  .payment-section__title {
    font-size: 24px;
  }

  .content-section__header,
  .qna-title-bar,
  .application-title-bar,
  .application-title-bar__left {
    flex-direction: column;
    align-items: flex-start;
  }

  .qna-write-btn {
    width: auto;
  }

  .participation-steps__row {
    grid-template-columns: 1fr;
  }

  .step-card:last-child {
    grid-column: span 1;
  }

  .application-btn-group {
    flex-wrap: wrap;
  }

  .application-btn {
    width: auto;
  }

  .register-form__group-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .register-form__group-item {
    padding-right: 0;
    padding-left: 0;
  }

  .board-table {
    min-width: 680px;
  }

  .auth-page {
    padding: 0;
    background: var(--bg-page);
  }

  .auth-modal {
    width: 100%;
    min-height: 100%;
    border-radius: 0;
    box-shadow: none;
  }

  .auth-modal__image-side {
    display: none;
  }

  .auth-modal__form-side {
    padding: 24px 16px 28px;
  }

  .auth-modal__form {
    gap: 20px;
  }

  .auth-btn-row {
    flex-direction: column;
  }

  .auth-btn-row__button {
    width: 100%;
  }

  .auth-toast {
    width: 100%;
    padding: 14px 16px;
  }
}

@media (width <= 767px) {
  .notice-table-section .board-table,
  .qna-table-section .board-table,
  .news-table-section .board-table {
    min-width: 640px;
  }
}

.register-card > .card-header.card-header-info {
  border-bottom-color: rgb(2 132 199 / 16%);
}

.register-card > .card-header {
  display: flex;
  align-items: center;
}

.register-card > .card-header h4 {
  float: none;
  line-height: 1.25;
}