/* Spiel- und Lernmodus-spezifische Zielstruktur */
.game-shell {
  display: grid;
  gap: 18px;
}


.challenge-room-shell {
  display: grid;
  gap: 20px;
  padding: 24px;
}

.challenge-room-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.14), rgba(123, 97, 255, 0.12), rgba(255, 209, 102, 0.12));
  box-shadow: 0 16px 40px rgba(31, 42, 68, 0.08);
}

.challenge-room-hero h1 {
  margin: 6px 0 10px;
  color: #1f2a44;
}

.challenge-room-hero p {
  margin: 0;
  color: #5b6b88;
  max-width: 760px;
}

.challenge-room-status-card,
.challenge-room-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(79, 140, 255, 0.16);
  border-radius: 24px;
  box-shadow: 0 16px 40px rgba(31, 42, 68, 0.08);
}

.challenge-room-status-card {
  min-width: 190px;
  display: grid;
  gap: 8px;
  padding: 18px;
}

.challenge-room-status-card small {
  color: #5b6b88;
}

.challenge-room-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.challenge-room-card {
  padding: 22px;
}

.challenge-room-card h2 {
  margin: 0 0 14px;
  color: #1f2a44;
}

.challenge-room-player-list {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.challenge-room-player {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 18px;
  background: #f7faff;
  border: 1px solid rgba(79, 140, 255, 0.12);
}

.challenge-room-player strong {
  color: #1f2a44;
}

.challenge-room-player span {
  color: #5b6b88;
}

.challenge-room-player.is-ready {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.28);
}

.challenge-room-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.challenge-room-meta div {
  padding: 12px 14px;
  border-radius: 16px;
  background: #f7faff;
}

.challenge-room-meta span {
  display: block;
  font-size: 12px;
  color: #7a89a6;
  margin-bottom: 4px;
}

.challenge-room-meta strong {
  color: #1f2a44;
}

.challenge-room-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.challenge-history-open,
.private-outline-btn {
  border: 1px solid rgba(79, 140, 255, 0.24);
  background: #fff;
  color: #4f8cff;
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 600;
  cursor: pointer;
}

.challenge-history-open {
  margin-left: auto;
  font-size: 12px;
}

@media (max-width: 980px) {
  .challenge-room-grid {
    grid-template-columns: 1fr;
  }

  .challenge-room-meta {
    grid-template-columns: 1fr;
  }

  .challenge-room-hero {
    flex-direction: column;
  }
}

body.theme-dark .challenge-room-hero {
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.2), rgba(123, 97, 255, 0.18), rgba(255, 209, 102, 0.12));
}

body.theme-dark .challenge-room-status-card,
body.theme-dark .challenge-room-card {
  background: rgba(16, 23, 38, 0.92);
  border-color: rgba(123, 97, 255, 0.22);
}

body.theme-dark .challenge-room-hero h1,
body.theme-dark .challenge-room-card h2,
body.theme-dark .challenge-room-meta strong,
body.theme-dark .challenge-room-player strong {
  color: #eff4ff;
}

body.theme-dark .challenge-room-hero p,
body.theme-dark .challenge-room-status-card small,
body.theme-dark .challenge-room-player span,
body.theme-dark .challenge-room-meta span {
  color: #9fb0cf;
}

body.theme-dark .challenge-room-player,
body.theme-dark .challenge-room-meta div,
body.theme-dark .private-outline-btn,
body.theme-dark .challenge-history-open {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
  color: #c7d7ff;
}