.form-section.collapsed > #partsList,
.form-section.collapsed > #imagesList,
.form-section.collapsed > #optionsList,
.form-section.collapsed > .btn-add,
.form-section.collapsed > .product-tabs,
.form-section.collapsed > #tabsContent {
    display: none !important;
}

.product-tabs {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border);
}

.product-tabs-nav {
    display: flex;
    gap: 0;
    flex-wrap: wrap;
    flex: 1;
}

.tab-nav-item {
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-nav-item.active {
    color: var(--accent-warning);
    border-bottom-color: var(--accent-warning);
}

.tab-nav-item .tab-close {
    font-size: 0.8rem;
    opacity: 0;
    color: var(--accent-danger);
}

.tab-nav-item:hover .tab-close {
    opacity: 1;
}

.tab-nav-item .tab-edit {
    font-size: 0.75rem;
    opacity: 0.5;
    cursor: pointer;
    margin-left: 0.25rem;
}

.tab-nav-item:hover .tab-edit {
    opacity: 1;
}

.tab-label {
    cursor: default;
}

.tab-label-input {
    border: none;
    background: var(--bg-secondary);
    padding: 0.25rem 0.5rem;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    width: 120px;
    outline: 2px solid var(--accent-warning);
}

.btn-add-tab {
    width: 28px;
    height: 28px;
    padding: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    cursor: pointer;
    margin-left: 0.5rem;
}

.product-tabs-content {
    min-height: 200px;
}

.tab-panel {
    display: none;
}

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

.tab-title-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-light);
}

.tab-title-input {
    flex: 1;
    font-weight: 500;
    font-size: 1rem;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.option-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    background: var(--bg-secondary);
}

.option-header {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    align-items: center;
}

.option-header input {
    flex: 1;
}

.option-header .option-label {
    flex: 1;
    font-weight: 500;
}

.option-header .option-name {
    flex: 0 0 120px;
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
}

.option-settings {
    display: flex;
    gap: 1rem;
    padding: 0.5rem 0;
    margin-bottom: 0.75rem;
    border-bottom: 1px dashed var(--border-light);
    font-size: 0.85rem;
}

.option-settings .setting-label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--text-secondary);
}

.option-settings input[type="radio"],
.option-settings input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.option-settings .option-max {
    width: 50px;
    padding: 0.2rem 0.4rem;
    text-align: center;
}

.choices-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    padding-left: 1rem;
}

.choice-item {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.choice-item input {
    flex: 1;
}

.choice-item .choice-label {
    flex: 1;
}

.choice-item .choice-name {
    flex: 0 0 100px;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
}

.choice-item .choice-extra {
    flex: 0 0 80px;
    text-align: right;
}

.btn-add-choice {
    background: none;
    border: 1px dashed var(--border);
    color: var(--text-muted);
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    margin-left: 1rem;
}

.add-tab-menu,
.extra-field-menu {
    position: absolute;
    right: 0;
    top: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 100;
    min-width: 140px;
    margin-top: 4px;
}

.add-tab-menu button,
.extra-field-menu button {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.add-tab-menu button:hover,
.extra-field-menu button:hover {
    background: var(--bg-secondary);
}

.add-tab-menu button:first-child,
.extra-field-menu button:first-child {
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.add-tab-menu button:last-child,
.extra-field-menu button:last-child {
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.extra-field-menu {
    max-height: 200px;
    overflow-y: auto;
}

.software-fields {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.software-fields .field-row,
.extra-fields .field-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.software-fields label,
.extra-fields label {
    min-width: 130px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.software-fields input,
.extra-fields input {
    flex: 1;
}

.extra-fields {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
    position: relative;
}

.extra-field-row .btn-remove {
    flex-shrink: 0;
}

.add-field-wrapper {
    position: relative;
    display: inline-block;
}

.add-field-wrapper .extra-field-menu {
    left: 0;
    right: auto;
}

.list-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.list-section > label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.list-items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.list-item-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.list-item-row input {
    flex: 1;
}

.btn-add-item {
    background: none;
    border: 1px dashed var(--border);
    color: var(--text-muted);
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.food-fields {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.field-group {
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.field-group h4 {
    margin: 0 0 0.75rem 0;
    font-size: 0.95rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0.5rem;
}

.field-group .field-row {
    margin-bottom: 0.5rem;
}

.unit-input {
    width: 60px !important;
    flex: 0 0 60px !important;
    text-align: center;
}

.unit-label {
    min-width: 40px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.specs-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.spec-item-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.spec-item-row .spec-key {
    flex: 0 0 140px;
    font-size: 0.9rem;
}

.spec-item-row .spec-value {
    flex: 1;
}

.field-group.collapsible {
    padding: 0;
}

.field-group.collapsible .group-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    user-select: none;
}

.field-group.collapsible .group-header:hover {
    background: var(--bg-hover);
}

.field-group.collapsible .group-header h4 {
    margin: 0;
    border: none;
    padding: 0;
}

.field-group.collapsible .group-toggle {
    width: 24px;
    height: 24px;
    padding: 0;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    color: var(--text-muted);
}

.field-group.collapsible .group-body {
    padding: 0 1rem 1rem 1rem;
}

.field-group.collapsible.collapsed .group-body {
    display: none;
}

.dim-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0.75rem 0 0.5rem 0;
}

.dim-row {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.dim-input {
    width: 60px !important;
    flex: 0 0 60px !important;
    text-align: center;
}

.dim-sep {
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 0 0.25rem;
}