/* Weekly hobby challenge page — reuses shared tokens from /shared/site.css */

.challenge-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}

.challenge-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.challenge-eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-text);
}

.challenge-headline {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text);
}

.challenge-prompt {
  margin: 0 0 20px;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
}

.challenge-rule {
  margin: 0 0 24px;
  padding: 14px 16px;
  border-left: 3px solid var(--accent);
  background: var(--accent-light);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text);
}

.challenge-rule-label {
  color: var(--accent-text);
}

.challenge-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.challenge-actions .btn {
  flex-grow: 1;
}

.challenge-joined-note {
  flex-basis: 100%;
  margin: 4px 0 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.challenge-details {
  margin-top: 28px;
  display: grid;
  gap: 24px;
}

.challenge-detail-block h2,
.challenge-app-blurb h2 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
}

.challenge-detail-block p,
.challenge-app-blurb p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.challenge-next {
  margin: 0;
  padding: 14px 16px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.challenge-app-blurb {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
}

.challenge-app-blurb .btn {
  margin-top: 16px;
}

/* Focus and reduced-motion conventions are inherited from /shared/site.css.
   Keep the page readable on narrow screens without horizontal scroll. */
@media (max-width: 720px) {
  .challenge-main {
    padding: 24px 16px 48px;
  }

  .challenge-card {
    padding: 24px 20px;
  }

  .challenge-headline {
    font-size: 1.6rem;
  }

  .challenge-actions {
    flex-direction: column;
    align-items: stretch;
  }
}