.media-tabs-layout {
  display: flex;
  gap: 30px;
  margin-top: 40px;
  align-items: flex-start;
}

.media-tabs-sidebar {
  flex: 0 0 200px;
  min-width: 160px;
  background: #f8f9fa;
  border-radius: 12px;
  padding: 20px 0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  position: sticky;
  top: 20px;
}

.media-tabs-content {
  flex: 1;
  min-width: 0;
}

.year-tab {
  padding: 12px 20px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: #1a4255;
  border-left: 4px solid transparent;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.year-tab:hover {
  background: #e9ecef;
  border-left-color: #c0c8cc;
}

.year-tab.active {
  background: #fff;
  border-left-color: #ff471d;
  color: #ff471d;
}

.year-tab .arrow {
  font-size: 12px;
  transition: transform 0.25s ease;
  display: inline-block;
}

.year-tab .arrow.open {
  transform: rotate(90deg);
}

.month-list {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.month-list.open {
  max-height: 500px;
}

.month-tab {
  padding: 8px 20px 8px 36px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: #555;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
  user-select: none;
}

.month-tab:hover {
  background: #e9ecef;
  color: #1a4255;
}

.month-tab.active {
  background: #fff;
  border-left-color: #ff471d;
  color: #1a4255;
  font-weight: 700;
}

/* Content sections */
.tab-content-section {
  display: none;
  animation: fadeIn 0.35s ease;
}

.tab-content-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-section-title {
  font-size: 24px;
  font-weight: 700;
  color: #1a4255;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #e9ecef;
}

.tab-section-empty {
  padding: 40px 20px;
  text-align: center;
  color: #999;
  font-size: 16px;
  background: #f8f9fa;
  border-radius: 8px;
}

/* Responsive */
@media (max-width: 768px) {
  .media-tabs-layout {
    flex-direction: column;
  }
  .media-tabs-sidebar {
    flex: none;
    width: 100%;
    position: static;
    display: flex;
    flex-wrap: wrap;
    padding: 10px;
    gap: 5px;
  }
  .year-tab {
    flex: 1 1 auto;
    border-left: none;
    border-bottom: 3px solid transparent;
    padding: 10px 15px;
    font-size: 14px;
  }
  .year-tab.active {
    border-left: none;
    border-bottom-color: #ff471d;
  }
  .month-list {
    width: 100%;
  }
  .month-tab {
    padding: 6px 15px;
    font-size: 13px;
  }
}