/* ============================================
   Sub-page Common Styles
   ============================================ */

/* Page Header */
.page-header {
  padding-top: calc(var(--header-height) + var(--space-20));
  padding-bottom: var(--space-16);
  background: linear-gradient(135deg, var(--red-800), var(--red-900));
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
}

.page-header .deco-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 50px 50px;
}

.page-header-content {
  position: relative;
  z-index: 1;
}

.page-header .badge {
  display: inline-flex;
  margin-bottom: var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--gold-300);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--white);
  margin-bottom: var(--space-4);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.page-header p {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
  margin: 0 auto;
  line-height: var(--leading-relaxed);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-10);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) - 5px);
  top: var(--space-2);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--red-100);
}

.timeline-item h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.timeline-item p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Resource Cards */
.resource-card {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-6);
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
}

.resource-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--red-100);
  transform: translateY(-2px);
}

.resource-card-img {
  width: 160px;
  height: 120px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--red-100), var(--red-50));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  color: var(--primary);
  flex-shrink: 0;
}

.resource-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.resource-card-body h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.resource-card-body p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.gallery-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--red-50), var(--gray-50));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--gray-100);
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--red-200);
}

.gallery-item i {
  font-size: var(--text-4xl);
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.gallery-item h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.gallery-item p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* Activity List */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.activity-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
}

.activity-item:hover {
  border-color: var(--red-200);
  box-shadow: var(--shadow-md);
}

.activity-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--red-100), var(--red-50));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.activity-info {
  flex: 1;
}

.activity-info h4 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.activity-info p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.activity-status {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  white-space: nowrap;
}

.activity-status.ongoing {
  background: var(--red-50);
  color: var(--red-600);
}

.activity-status.upcoming {
  background: var(--gold-50);
  color: var(--gold-600);
}

/* Game Cards */
.game-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
}

.game-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--red-100);
}

.game-card-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-5xl);
  position: relative;
}

.game-card-body {
  padding: var(--space-6);
}

.game-card-body h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.game-card-body p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.game-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.game-card-meta .difficulty {
  display: flex;
  gap: var(--space-1);
}

.game-card-meta .difficulty span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-200);
}

.game-card-meta .difficulty span.active {
  background: var(--primary);
}

/* Responsive */
@media (max-width: 1024px) {
  .page-header h1 {
    font-size: var(--text-4xl);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .resource-card {
    flex-direction: column;
  }

  .resource-card-img {
    width: 100%;
    height: 160px;
  }
}

@media (max-width: 768px) {
  .page-header h1 {
    font-size: var(--text-3xl);
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .activity-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline {
    padding-left: var(--space-6);
  }

  .timeline-item::before {
    left: calc(-1 * var(--space-6) - 5px);
  }
}