#tracker-shell {
  display: flex;
  height: calc(100vh - var(--header-height));
  gap: 1.5rem;
  padding: 2rem;
  background: var(--bg-main);
}

#tracker-sidebar {
  width: 320px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  flex-shrink: 0;
}

.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-card);
}

.sidebar-header input {
  margin-bottom: 1rem;
}

.sidebar-actions {
  margin-top: 1rem;
}

#household-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#tracker-main {
  flex: 1;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow-y: auto;
  padding: 2rem;
  box-shadow: var(--shadow-xs);
}

/* Household Items */
.household-item {
  padding: 1rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: white;
  cursor: pointer;
  transition: var(--transition);
}

.household-item:hover {
  background: var(--bg-hover);
  border-color: var(--border-medium);
}

.household-item.active {
  background: var(--primary-light);
  border-color: var(--primary);
}

.household-item-info {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.household-item-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9375rem;
}

.household-item-meta {
  display: flex;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Detail View */
#household-detail-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-tertiary);
  text-align: center;
}

#household-detail-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.detail-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.detail-section h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.detail-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.detail-field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-field value {
  font-size: 0.9375rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Photo Upload */
.photo-upload {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--bg-hover);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.photo-upload:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.photo-upload input[type="file"] {
  display: none;
}

.photo-preview {
  width: 100%;
  max-width: 200px;
  height: 200px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  margin: 0 auto;
}

/* Badges */
.badge-unknown {
  background: #f3f4f6;
  color: #6b7280;
}

.badge-interested {
  background: #dbeafe;
  color: #1e40af;
}

.badge-committed {
  background: #dcfce7;
  color: #166534;
}

.badge-inactive {
  background: #fee2e2;
  color: #991b1b;
}

/* Responsive */
@media (max-width: 1024px) {
  #tracker-shell {
    flex-direction: column;
    gap: 1rem;
    height: auto;
  }

  #tracker-sidebar {
    width: 100%;
    max-height: 200px;
  }

  #household-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }

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