/* Sidebar styles */
.topics-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    height: fit-content;
    background: linear-gradient(1.13deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8) var(--spacing-6);
    color: var(--color-white);
}

.topics-header {
    display: none;
}

.topics-logo {
    font-size: var(--font-size-3xl);
    font-weight: 400;
    letter-spacing: var(--letter-spacing-wide);
    padding-bottom: var(--spacing-5);
    border-bottom: 1px solid var(--color-white-alpha-30);
    margin-bottom: var(--spacing-5);
}

.topics-body {
    display: block;
}

.topics-section {
    margin-bottom: 0;
}

.topics-section-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
}

.topics-nav {
    display: flex;
    flex-direction: column;
    padding-bottom: var(--spacing-5);
    border-bottom: 1px solid var(--color-white-alpha-30);
    margin-bottom: var(--spacing-5);
}

.topics-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-2-5) 0;
    font-size: var(--font-size-md);
    color: var(--color-white);
    transition: var(--transition-opacity);
    min-width: 0;
    overflow: visible;
}

.topics-nav-link > span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topics-nav-count {
    flex-shrink: 0;
    overflow: visible;
    text-overflow: clip;
    white-space: nowrap;
}

.topics-nav-link:hover {
    opacity: 0.8;
}

.topics-nav-link.active {
    font-weight: 700;
}

.topics-nav-group {
    display: flex;
    flex-direction: column;
}

.topics-nav-parent-row,
.topics-nav-child-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topics-nav-parent-row .topics-nav-link,
.topics-nav-child-row .topics-nav-link {
    flex: 1;
}

.topics-accordion-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--size-logo-sm);
    height: var(--size-logo-sm);
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-white);
    opacity: 0.7;
    transition: var(--transition-opacity);
    flex-shrink: 0;
}

.topics-accordion-toggle:hover {
    opacity: 1;
}

.topics-accordion-icon {
    transition: var(--transition-transform);
}

.topics-nav-group.is-open > .topics-nav-parent-row .topics-accordion-icon,
.topics-nav-subgroup.is-open > .topics-nav-child-row .topics-accordion-icon {
    transform: rotate(180deg);
}

.topics-nav-children {
    display: grid;
    grid-template-rows: 0fr;
    transition: var(--transition-grid-rows);
    margin-left: var(--spacing-4);
}

.topics-nav-group.is-open > .topics-nav-children {
    grid-template-rows: 1fr;
}

.topics-nav-children-inner {
    overflow: hidden;
}

.topics-nav-child {
    font-size: var(--font-size-base);
    padding: var(--spacing-1-5) 0;
}

.topics-nav-subgroup {
    display: flex;
    flex-direction: column;
}

.topics-nav-grandchildren {
    display: grid;
    grid-template-rows: 0fr;
    transition: var(--transition-grid-rows);
    margin-left: var(--spacing-4);
}

.topics-nav-subgroup.is-open > .topics-nav-grandchildren {
    grid-template-rows: 1fr;
}

.topics-nav-grandchildren-inner {
    overflow: hidden;
}

.topics-nav-grandchild {
    font-size: var(--font-size-sm);
    padding: var(--spacing-1) 0;
}

.topics-company-filter {
    margin-top: var(--spacing-2);
    padding-bottom: var(--spacing-5);
    border-bottom: 1px solid var(--color-white-alpha-30);
    margin-bottom: var(--spacing-5);
}

.topics-manufacturer-filter {
    margin-top: var(--spacing-2);
    padding-bottom: var(--spacing-5);
    border-bottom: 1px solid var(--color-white-alpha-30);
    margin-bottom: var(--spacing-5);
}

.topics-filter-input {
    width: 100%;
    box-sizing: border-box;
    padding: var(--spacing-1-5) var(--spacing-2);
    font-size: var(--font-size-sm);
    border: 1px solid var(--color-white-alpha-50);
    border-radius: var(--radius-sm);
    background: var(--color-white-alpha-10);
    color: var(--color-white);
}

.topics-filter-input::placeholder {
    color: var(--color-white-alpha-50);
}

.topics-filter-input:focus {
    outline: none;
    border-color: var(--color-white);
    background: var(--color-white-alpha-20);
}

.topics-price-condition-filters {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    padding-bottom: var(--spacing-5);
    border-bottom: 1px solid var(--color-white-alpha-30);
    margin-bottom: var(--spacing-5);
}

.topics-filter-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1-5);
}

.topics-filter-label {
    font-size: var(--font-size-base);
    font-weight: 500;
}

.topics-filter-select {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    border: 1px solid var(--color-white-alpha-50);
    border-radius: var(--radius-sm);
    background: var(--color-white-alpha-10);
    color: var(--color-white);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-2-5) center;
    cursor: pointer;
}

.topics-filter-select:focus {
    outline: none;
    border-color: var(--color-white);
    background-color: var(--color-white-alpha-20);
}

.topics-filter-select option {
    background: var(--color-primary);
    color: var(--color-white);
}

.topics-property-filter {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    padding-bottom: var(--spacing-5);
    border-bottom: 1px solid var(--color-white-alpha-30);
    margin-bottom: var(--spacing-5);
}

.property-select-button {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    border: 1px solid var(--color-white-alpha-50);
    border-radius: var(--radius-sm);
    background: var(--color-white-alpha-10);
    color: var(--color-white);
    cursor: pointer;
    text-align: left;
}

.property-select-button:hover {
    border-color: var(--color-white);
    background: var(--color-white-alpha-20);
}

.topics-property-range {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-top: var(--spacing-1);
}

.selected-properties-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.property-tag {
    background: var(--color-white-alpha-15);
    border: 1px solid var(--color-white-alpha-30);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2) var(--spacing-2-5);
}

.property-tag-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-1-5);
}

.property-tag-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-white);
}

.property-tag-remove {
    width: var(--spacing-5);
    height: var(--spacing-5);
    padding: 0;
    background: var(--color-white-alpha-20);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: var(--font-size-base);
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.property-tag-remove:hover {
    background: var(--color-white-alpha-30);
}

.property-tag-range {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.property-tag-range input {
    width: var(--size-property-input);
    padding: var(--spacing-1) var(--spacing-1-5);
    font-size: var(--font-size-xs);
    border: 1px solid var(--color-white-alpha-50);
    border-radius: var(--radius-sm);
    background: var(--color-white-alpha-10);
    color: var(--color-white);
    text-align: center;
}

.property-tag-range input::placeholder {
    color: var(--color-white-alpha-50);
}

.property-tag-range input:focus {
    outline: none;
    border-color: var(--color-white);
    background: var(--color-white-alpha-20);
}

.property-tag-range input::-webkit-outer-spin-button,
.property-tag-range input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.property-tag-range input[type=number] {
    -moz-appearance: textfield;
}

.property-tag-range span {
    font-size: var(--font-size-xs);
    color: var(--color-white-alpha-80);
}

.property-tag-range .property-unit {
    font-size: var(--font-size-2xs);
    opacity: 0.8;
}

.property-popup-overlay {
    position: fixed;
    z-index: var(--z-overlay);
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-black-alpha-50);
}

.property-popup-container {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: var(--sidebar-popup-max-width);
    max-height: var(--size-popup-max-height);
    overflow: hidden;
    padding: var(--spacing-8);
    margin: var(--spacing-4);
    display: flex;
    flex-direction: column;
}

.property-popup-close {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-700);
    padding: var(--spacing-1);
}

.property-popup-close:hover {
    color: var(--color-gray-900);
}

.property-popup-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-black-dark);
    margin-bottom: var(--spacing-4);
}

.property-popup-search {
    margin-bottom: var(--spacing-4);
}

.property-search-input {
    width: 100%;
    box-sizing: border-box;
    padding: var(--spacing-2-5) var(--spacing-3);
    font-size: var(--font-size-base);
    border: 1px solid var(--color-gray-400);
    border-radius: var(--radius-sm);
    background: var(--color-white);
}

.property-search-input::placeholder {
    color: var(--color-gray-500);
}

.property-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.property-popup-list {
    max-height: var(--size-popup-list-max-height);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.property-popup-list .property-list-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2-5);
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-md);
    color: var(--color-black-dark);
    background: none;
    border: none;
    border-bottom: 1px solid var(--color-gray-100);
    cursor: pointer;
    text-align: left;
}

.property-popup-list .property-checkbox {
    width: var(--size-checkbox);
    height: var(--size-checkbox);
    flex-shrink: 0;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.property-popup-list .property-list-item:last-child {
    border-bottom: none;
}

.property-popup-list .property-list-item:hover {
    background: var(--color-gray-50);
}

.property-popup-list .property-unit {
    opacity: 0.6;
    font-size: var(--font-size-sm);
}

.topics-size-filters {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    padding-bottom: var(--spacing-5);
    border-bottom: 1px solid var(--color-white-alpha-30);
}

.topics-size-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1-5);
}

.topics-size-label {
    font-size: var(--font-size-base);
    font-weight: 500;
}

.topics-size-inputs {
    display: flex;
    align-items: center;
    gap: var(--spacing-1-5);
}

.topics-size-input {
    flex: 1;
    min-width: 0;
    padding: var(--spacing-1-5) var(--spacing-2);
    font-size: var(--font-size-sm);
    border: 1px solid var(--color-white-alpha-50);
    border-radius: var(--radius-sm);
    background: var(--color-white-alpha-10);
    color: var(--color-white);
}

.topics-size-input::placeholder {
    color: var(--color-white-alpha-50);
}

.topics-size-input:focus {
    outline: none;
    border-color: var(--color-white);
    background: var(--color-white-alpha-20);
}

.topics-size-input::-webkit-outer-spin-button,
.topics-size-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.topics-size-input[type=number] {
    -moz-appearance: textfield;
}

.topics-size-separator {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.topics-size-unit {
    font-size: var(--font-size-xs);
    opacity: 0.8;
}

.topics-size-errors {
    padding: 8px 12px;
    margin-top: 8px;
    background: var(--color-red-bg-FEE2E2);
    color: var(--color-error);
    border-radius: 4px;
    font-size: 13px;
    line-height: 1.5;
}

.topics-filter-actions {
    display: flex;
    gap: var(--spacing-2);
    margin-top: var(--spacing-5);
    margin-bottom: var(--spacing-6);
}

.topics-btn-search {
    flex: 1;
    padding: var(--spacing-2-5) var(--spacing-4);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: var(--transition-opacity);
    background: var(--color-white);
    border: 1px solid var(--color-white);
    color: var(--color-primary);
}

.topics-btn-search:hover {
    opacity: 0.8;
}

.topics-btn-clear {
    flex: 1;
    padding: var(--spacing-2-5) var(--spacing-4);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: var(--transition-opacity);
    background: transparent;
    border: 1px solid var(--color-white);
    color: var(--color-white);
}

.topics-btn-clear:hover {
    opacity: 0.8;
}

.topics-request-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-5);
    background: transparent;
    border: var(--border-width-md) solid var(--color-white);
    border-radius: var(--radius-pill);
    color: var(--color-white);
    cursor: pointer;
    transition: var(--transition-opacity);
}

.topics-request-btn:hover {
    opacity: 0.8;
}

.topics-request-text {
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
}

.topics-request-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--spacing-8);
    height: var(--spacing-8);
    background: var(--color-white);
    border-radius: var(--radius-full);
    color: var(--color-accent);
}

/* Responsive - tablet (max-width: 1024px) */
@media (max-width: 1024px) {
    .topics-sidebar {
        width: 100%;
        padding: 0;
    }

    .topics-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: var(--spacing-5) var(--spacing-6);
        background: transparent;
        border: none;
        color: var(--color-white);
        cursor: pointer;
    }

    .topics-header .topics-logo {
        padding-bottom: 0;
        border-bottom: none;
        margin-bottom: 0;
        font-size: var(--font-size-xl);
    }

    .topics-toggle-icon {
        transition: var(--transition-transform);
    }

    .topics-sidebar.is-open .topics-toggle-icon {
        transform: rotate(180deg);
    }

    .topics-body {
        display: none;
        padding: 0 var(--spacing-6) var(--spacing-6);
    }

    .topics-sidebar.is-open .topics-body {
        display: block;
    }

    .topics-body .topics-section:first-child .topics-section-title {
        display: none;
    }
}

.property-popup-no-results {
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--font-size-base);
    padding: var(--spacing-8) var(--spacing-4);
}

.property-popup-confirm {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    margin-top: var(--spacing-4);
    font-size: var(--font-size-base);
    font-weight: 700;
    border: none;
    border-radius: var(--radius-pill);
    background: var(--color-primary);
    color: var(--color-white);
    cursor: pointer;
    transition: var(--transition-opacity);
    flex-shrink: 0;
}

.property-popup-confirm:hover {
    opacity: 0.8;
}