body.admin-body {
  display: flex;
  min-height: 100vh;
}

.admin-layout {
  display: flex;
  width: 100%;
}

.admin-sidebar {
  width: 280px;
  background: #ffffff;
  border-right: 1px solid var(--color-border);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.admin-sidebar h1 {
  font-size: 1.4rem;
  margin: 0;
}

.quick-add-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 16px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.quick-add-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.quick-add-btn .material-icons {
  font-size: 20px;
}

.category-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  background: var(--color-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  cursor: grab;
}

.category-item:active {
  cursor: grabbing;
}

.category-item.active {
  border-color: var(--color-primary);
  box-shadow: 0 12px 28px -18px rgba(27, 100, 242, 0.6);
}

.category-item span {
  display: block;
  font-size: 0.85rem;
  color: var(--color-subtle);
}

.category-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-form label {
  font-size: 0.85rem;
  color: var(--color-subtle);
}

.category-form input {
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: 10px 12px;
}

.primary-btn {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.primary-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.primary-btn:disabled,
.secondary-btn:disabled,
.danger-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.admin-main {
  flex: 1;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.category-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.category-meta span {
  font-size: 0.85rem;
  color: var(--color-subtle);
}

.category-link {
  font-size: 0.85rem;
  color: var(--color-primary);
  text-decoration: none;
}

.category-link:hover {
  text-decoration: underline;
}

.category-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.category-actions button {
  white-space: nowrap;
}

.category-actions .danger-btn,
.category-actions .secondary-btn {
  padding: 12px 16px;
}

.resource-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.resource-form .field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.resource-form label {
  font-size: 0.85rem;
  color: var(--color-subtle);
}

.resource-form input, .resource-form select {
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: 12px;
  width: 100%;
}

.resource-form .actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: flex-end;
}

.secondary-btn {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.secondary-btn:hover {
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
}

.resource-type-indicator {
  font-size: 0.85rem;
  color: var(--color-subtle);
}

.items-board {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.board-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.board-header p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-subtle);
}

.items-board h2 {
  margin: 0;
  font-size: 1.1rem;
}

.item-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.item-card {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 16px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.item-card .thumb {
  position: relative;
  padding-top: 56%;
  border-radius: 16px;
  overflow: hidden;
}

.item-card .thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: repeating-linear-gradient(
    45deg,
    rgba(107, 122, 153, 0.16),
    rgba(107, 122, 153, 0.16) 12px,
    rgba(107, 122, 153, 0.08) 12px,
    rgba(107, 122, 153, 0.08) 24px
  );
  font-size: 2rem;
}

.item-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.item-details input {
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: 10px 12px;
  width: 100%;
}

.item-details .type-chip {
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(27, 100, 242, 0.12);
  color: var(--color-primary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.item-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.danger-btn {
  background: transparent;
  border: 1px solid #ff6b6b;
  color: #ff6b6b;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
}

.danger-btn:hover {
  background: rgba(255, 107, 107, 0.1);
}

.drag-handle {
  cursor: grab;
  font-size: 1.4rem;
  color: var(--color-subtle);
  text-align: center;
}

.empty-notice {
  padding: 48px 24px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--color-subtle);
  background: rgba(255, 255, 255, 0.6);
}

.hint {
  color: var(--color-subtle);
  font-size: 0.9rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.hidden {
  display: none !important;
}

@media (max-width: 900px) {
  .admin-layout {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
  }

  .item-card {
    grid-template-columns: 1fr;
  }

  .item-actions {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (max-width: 600px) {
  .admin-main {
    padding: 20px;
  }

  .resource-form {
    padding: 16px;
  }
}