.management-tabs {
  display: flex;
  background: #ffffff;
  border-bottom: 2px solid #e9ecef;
}

.management-sub-tabs {
  display: none;
  background: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
  padding: 0 20px;
}

.management-tab {
  padding: 14px 20px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 1em;
  font-weight: 600;
  color: #6c757d;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
  flex: 1;
}

.management-sub-tab {
  padding: 10px 16px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 0.9em;
  font-weight: 500;
  color: #495057;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
  margin-right: 20px;
}

.management-tab:hover {
  color: #28a745;
  background: rgba(40, 167, 69, 0.08);
}

.management-sub-tab:hover {
  color: #28a745;
  background: rgba(40, 167, 69, 0.05);
}

.management-tab.active {
  color: #28a745;
  border-bottom-color: #28a745;
  background: #f8fff8;
}

.management-sub-tab.active {
  color: #28a745;
  border-bottom-color: #28a745;
  background: rgba(40, 167, 69, 0.05);
}

.management-panel {
  display: none;
}

.management-panel.active {
  display: block;
}

.form-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  align-items: center;
}

.form-grid label {
  font-weight: 600;
  color: #495057;
}

.form-grid input[type="date"],
.form-grid input[type="text"],
.form-grid select {
  padding: 8px 12px;
  border: 2px solid #dee2e6;
  border-radius: 5px;
  font-size: 14px;
}

.helper-badge {
  background: #f1f3f5;
  color: #495057;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 14px;
}

.helper-text {
  color: #6c757d;
  font-size: 14px;
  font-style: italic;
  margin-left: 8px;
}

.status-area {
  margin-top: 15px;
  display: none;
}

.download-group {
  display: flex;
  gap: 10px;
  align-items: center;
}

.empty-placeholder {
  padding: 30px;
  text-align: center;
  color: #6c757d;
}

.split-panels {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.section-header {
  text-align: left;
  margin-bottom: 20px;
}

.section-title {
  font-size: 1.4em;
  font-weight: 700;
  color: #495057;
  margin: 0;
  padding-bottom: 12px;
  position: relative;
}

.section-divider {
  width: 100%;
  height: 3px;
  background: linear-gradient(to right, #28a745, rgba(40, 167, 69, 0.3), #e9ecef);
  border: none;
  margin: 0;
  border-radius: 2px;
}

.section-header.unique .section-divider {
  background: linear-gradient(to right, #007bff, rgba(0, 123, 255, 0.3), #e9ecef);
}

.split-panels .panel {
  border: 2px solid #e9ecef;
  border-radius: 12px;
  padding: 20px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.split-panels .panel:hover {
  border-color: #28a745;
  box-shadow: 0 4px 12px rgba(40, 167, 69, 0.1);
}

.split-panels .section-wrapper:first-child .panel {
  background: linear-gradient(135deg, #f8fff8 0%, #ffffff 100%);
  border-left: 4px solid #28a745;
}

.split-panels .section-wrapper:last-child .panel {
  background: linear-gradient(135deg, #f0f8ff 0%, #ffffff 100%);
  border-left: 4px solid #007bff;
}

.split-panels .section-wrapper:last-child .panel:hover {
  border-color: #007bff;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.1);
}

.summary-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 10px;
}

.summary-list li {
  color: #6c757d;
  font-size: 0.95em;
}

/* Year filter styles */
.year-filter-container {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: #f8f9fa;
  border-bottom: 1px solid #e9ecef;
}

.year-filter-container label {
  font-weight: 600;
  color: #495057;
  font-size: 14px;
}

.year-select {
  padding: 8px 16px;
  border: 2px solid #dee2e6;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  background: #ffffff;
  cursor: pointer;
  transition: all 0.2s ease;
}

.year-select:hover {
  border-color: #28a745;
}

.year-select:focus {
  outline: none;
  border-color: #28a745;
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.15);
}

.year-selector {
  display: flex;
  align-items: center;
  gap: 10px;
}

.year-selector label {
  font-weight: 600;
  color: #495057;
  font-size: 14px;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}