.top-navigation {
    background: var(--color-white);
    border-bottom: 2px solid var(--color-background-light);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--elevation-1);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}
.nav-link {
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    color: var(--color-text-medium);
    font-weight: 600;
    font-size: var(--font-size-base);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-family: var(--font-family-primary);
}
.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-background-light);
}
.nav-link.active {
    color: var(--color-white);
    background: var(--color-primary);
    border-bottom: 2px solid var(--color-secondary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

/* Search Panel Styles */
.search-panel {
    background: #fffef0; /* Very light yellow background */
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-primary);
    box-shadow: var(--elevation-2);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: sticky;
    top: calc(var(--spacing-md) * 2 + 60px); /* Below nav */
    z-index: 100;
}

.search-panel-title {
    margin: 0 0 var(--spacing-md) 0;
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-dark);
    font-family: var(--font-family-primary);
}

.search-panel-input-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: nowrap;
}

.search-panel-input-wrapper {
    position: relative;
    flex: 1;
    min-width: 0;
    flex-shrink: 1;
}

.search-panel-input-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-medium);
    font-size: var(--font-size-base);
    pointer-events: none;
    z-index: 1;
}

.search-panel-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: calc(var(--spacing-md) * 2 + 20px);
    border: 2px solid var(--color-background-light);
    border-radius: var(--radius-md);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-base);
    background: var(--color-white);
}

.search-panel-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.search-panel-total-reset {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: var(--color-destructive);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: var(--font-size-base);
    flex-shrink: 0;
}

.search-panel-total-reset:hover {
    background: var(--color-destructive-hover);
    transform: scale(1.05);
}


.search-panel-filters {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.search-panel-label {
    font-weight: 600;
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.filter-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    align-items: center;
}

.filter-tag-empty {
    color: var(--color-text-medium);
    font-size: var(--font-size-sm);
    font-style: italic;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-primary); /* Default orange, can be overridden by inline style */
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-right: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.search-panel-filter-cards {
    margin-top: var(--spacing-lg);
}

.search-panel-filter-cards .filter-demo-grid {
    margin-top: 0;
}

/* Service Results Styles */
.filter-results {
    display: none;
    margin-top: var(--spacing-lg);
    width: 100%;
    max-width: 100%;
}

.filter-results.results-visible {
    display: block;
}

/* Ensure service accordion uses full width */
.service-accordion {
    width: 100%;
    max-width: 100%;
}

/* Service Accordion Styles - Card-Based Metro Grid Layout */
.service-accordion {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Category Header Card - Full Width */
.accordion-category {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--elevation-1);
    overflow: hidden;
    margin-bottom: 0;
    padding: var(--spacing-md);
}

.category-card-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-sm);
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    user-select: none;
    transition: background-color var(--transition-base);
    border-left: 6px solid; /* Metro line color applied inline */
}

.category-card-header:hover {
    background-color: var(--color-paper);
}

.category-header {
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--color-text-dark);
}

.category-name {
    flex: 1;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    display: flex;
    align-items: center;
    padding-left:14px
}

.category-name i {
    font-size: var(--font-size-2xl);
}

/* Subcategory Grid - Single Column Layout for All Screen Sizes */
.subcategory-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-md);
    margin-top: 0;
}

.subcategory-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--elevation-1);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
    cursor: pointer;
}

.subcategory-card:hover {
    box-shadow: var(--elevation-2);
    transform: translateY(-2px);
}

.subcategory-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
    transition: background-color var(--transition-base);
}

.subcategory-card-header .accordion-icon {
    flex-shrink: 0;
    width: 16px;
    text-align: center;
    margin-right: var(--spacing-xs);
}

.subcategory-card-header:hover {
    background-color: var(--color-paper);
}

.subcategory-name {
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    flex: 1;
    line-height: 1.4;
}

/* Service Items List - Within Expanded Subcategory */
.service-items-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
}

.service-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    background-color: transparent;
    transition: background-color var(--transition-base), transform var(--transition-base);
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--spacing-md);
    font-size: var(--font-size-lg);
    line-height: 1.4;
    list-style: none;
}

/* Alternating row backgrounds */
.service-item:nth-child(odd) {
    background-color: var(--color-white);
}

.service-item:nth-child(even) {
    background-color: var(--color-paper);
}

.service-item:hover {
    background-color: var(--color-background-light);
    transform: translateX(2px);
}

.service-title {
    font-size: var(--font-size-sm);
    color: var(--color-text-dark);
    flex: 1;
    line-height: 1.4;
    order: 1;
}

.service-code {
    font-size: var(--font-size-xs);
    color: var(--color-text-medium);
    font-weight: 500;
    flex-shrink: 0;
    min-width: 40px;
    order: 2;
    opacity: 0.7;
    text-align: right;
}

/* Badge Styles - Integrated into Cards */
.subtotal-badge {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 700;
    min-width: 2rem;
    text-align: center;
    flex-shrink: 0;
}

.category-badge {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.subcategory-badge {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    min-width: 1.75rem;
}

/* Accordion Icon */
.accordion-icon {
    font-size: var(--font-size-sm);
    color: var(--color-text-medium);
    transition: transform var(--transition-base);
    flex-shrink: 0;
    width: 16px;
    text-align: center;
}

/* Accordion Content */
.accordion-content {
    overflow: hidden;
    transition: max-height 0.3s ease-out, opacity 0.2s ease-out;
}

.category-content {
    padding: 0;
}

.subcategory-content {
    padding: 0;
}

/* Legacy support for old structure */
.accordion-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
    user-select: none;
    transition: background-color var(--transition-base);
    gap: var(--spacing-sm);
}

.accordion-header:hover {
    background-color: var(--color-paper);
}

.subcategory-header {
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    background-color: var(--color-white);
}

.line-indicator {
    width: 6px;
    height: 100%;
    min-height: 24px;
    border-radius: 0 2px 2px 0;
    flex-shrink: 0;
}

/* Mobile Menu Button */
.nav-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-text-dark);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav-menu-toggle:hover {
    background: var(--color-background-light);
    color: var(--color-primary);
}

.nav-menu-toggle:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Responsive Navigation */
@media (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
    }
    
    .nav-menu-toggle {
        display: block;
        order: 2;
    }
    
    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        order: 3;
        gap: var(--spacing-xs);
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--color-background-light);
    }
    
    .nav-links.mobile-open {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        text-align: left;
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }
}

/* Responsive Breakpoints - Only for search panel, not result list */
@media (max-width: 767px) {
    .search-panel {
        position: relative;
        top: 0;
    }
    
    .search-panel-input-row {
        flex-wrap: nowrap;
        gap: var(--spacing-xs);
    }
    
    .search-panel-input-wrapper {
        min-width: 0;
        flex-shrink: 1;
    }
    
    .search-panel-input {
        font-size: var(--font-size-sm);
        padding-left: calc(var(--spacing-sm) * 2 + 16px);
    }
    
    .search-panel-input-icon {
        font-size: var(--font-size-sm);
        left: var(--spacing-sm);
    }
    
    .search-panel-total-reset {
        width: 36px;
        height: 36px;
        flex-shrink: 0;
    }
}