.ctfd-page {
  padding: 5.85rem 0 2.4rem;
  min-height: calc(100vh - 56px);
}

.ctfd-page__shell {
  width: min(1280px, calc(100vw - 40px));
  margin: 0 auto;
}

.ctfd-page__card,
.ctfd-rules-card {
  border: 1px solid rgba(102, 207, 217, 0.1);
  border-radius: 24px;
  background: rgba(7, 16, 21, 0.84);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
}

.ctfd-page__card {
  padding: 1.35rem;
}

.ctfd-page__card h1,
.ctfd-page__card h2,
.ctfd-page__card h3,
.ctfd-rules-card h2 {
  color: #edf7fa;
  font-family: "Raleway", sans-serif;
}

.ctfd-page__content {
  color: #d7e8eb;
  font-family: "Lato", sans-serif;
  line-height: 1.7;
}

.ctfd-page__content > :first-child {
  margin-top: 0;
}

.ctfd-page__content > :last-child {
  margin-bottom: 0;
}

.ctfd-page__content a {
  color: #b8eef3;
}

.ctfd-page__content code {
  padding: 0.15rem 0.35rem;
  border: 1px solid rgba(102, 207, 217, 0.12);
  border-radius: 8px;
  background: rgba(9, 20, 26, 0.82);
  color: #edf7fa;
}

.ctfd-page__content hr {
  border-color: rgba(102, 207, 217, 0.1);
}

.ctfd-page__header {
  margin-bottom: 1rem;
}

.ctfd-page__eyebrow {
  margin: 0 0 0.45rem;
  color: #66cfd9;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.16rem;
  text-transform: uppercase;
}

.ctfd-page__header h1 {
  margin: 0;
  color: #edf7fa;
  font-family: "Raleway", sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

.ctfd-page__summary {
  margin: 0.75rem 0 0;
  max-width: 48rem;
  color: #93aab0;
  font-family: "Lato", sans-serif;
  line-height: 1.65;
}

.ctfd-rules {
  display: grid;
  gap: 0.95rem;
}

.ctfd-rules__hero {
  padding: 1.25rem 1.35rem;
  border: 1px solid rgba(102, 207, 217, 0.1);
  border-radius: 24px;
  background: rgba(7, 16, 21, 0.84);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
}

.ctfd-rules__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.ctfd-rules-card {
  padding: 1rem 1.1rem;
}

.ctfd-rules-card--wide {
  grid-column: 1 / -1;
}

.ctfd-rules-card h2 {
  margin: 0 0 0.85rem;
  font-size: 1.18rem;
}

.ctfd-rules-card p,
.ctfd-rules-card li {
  color: #d7e8eb;
  font-family: "Lato", sans-serif;
  line-height: 1.65;
}

.ctfd-rules-card ul {
  margin: 0;
  padding-left: 1.1rem;
}

.ctfd-rules-card li + li {
  margin-top: 0.4rem;
}

.ctfd-rules-card__note {
  color: #93aab0;
}

@media (max-width: 920px) {
  .ctfd-page__shell {
    width: min(calc(100vw - 24px), 100%);
  }

  .ctfd-rules__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .ctfd-page {
    padding-top: 5.7rem;
  }

  .ctfd-page__shell {
    width: calc(100vw - 16px);
  }

  .ctfd-page__card,
  .ctfd-rules__hero,
  .ctfd-rules-card {
    padding: 0.95rem;
    border-radius: 20px;
  }
}

[data-bs-theme="light"] .ctfd-page__card,
[data-bs-theme="light"] .ctfd-rules-card,
[data-bs-theme="light"] .ctfd-rules__hero {
  border-color: rgba(26, 90, 111, 0.22);
  background: rgba(244, 250, 253, 0.95);
  box-shadow: 0 12px 30px rgba(24, 78, 95, 0.12);
}

[data-bs-theme="light"] .ctfd-page__eyebrow {
  color: #1e7388;
}

[data-bs-theme="light"] .ctfd-page__card h1,
[data-bs-theme="light"] .ctfd-page__card h2,
[data-bs-theme="light"] .ctfd-page__card h3,
[data-bs-theme="light"] .ctfd-rules-card h2,
[data-bs-theme="light"] .ctfd-page__header h1 {
  color: #123440;
}

[data-bs-theme="light"] .ctfd-page__content,
[data-bs-theme="light"] .ctfd-rules-card p,
[data-bs-theme="light"] .ctfd-rules-card li {
  color: #365762;
}

[data-bs-theme="light"] .ctfd-page__summary,
[data-bs-theme="light"] .ctfd-rules-card__note {
  color: #4a5f6a;
}

[data-bs-theme="light"] .ctfd-page__content code {
  border-color: rgba(26, 90, 111, 0.2);
  background: rgba(237, 247, 251, 0.96);
  color: #123440;
}