/**
 * Product Calculator Styles
 * CMS Grav Plugin
 * 
 * Color Scheme:
 * - Primary: #E85A1B (red-orange)
 * - Light: #FF7A3D (light orange)
 * - Dark: #C4440A (dark orange)
 * - Accent: #FFB347 (warm yellow)
 * - Text: #2D2926 (warm black)
 * - Background: #FFFBF7 (warm white)
 * - Card/Substrate: #FEF3E8 (cream)
 */

/* ==========================================================================
   Base Styles
   ========================================================================== */

.pc-calculator {
    /* Brand Colors */
    --pc-primary: #E85A1B;
    --pc-primary-hover: #C4440A;
    --pc-primary-light: #FEF3E8;
    --pc-primary-lighter: #FFFBF7;
    
    /* Secondary Colors */
    --pc-secondary: #64748b;
    --pc-accent: #FFB347;
    
    /* Status Colors */
    --pc-success: #10b981;
    --pc-success-light: #d1fae5;
    --pc-error: #ef4444;
    --pc-error-light: #fee2e2;
    --pc-warning: #FFB347;
    
    /* Text Colors */
    --pc-text: #2D2926;
    --pc-text-light: #6B6560;
    
    /* Background Colors */
    --pc-bg: #FFFBF7;
    --pc-bg-alt: #FEF3E8;
    --pc-border: #E8DDD4;
    
    /* Shadows */
    --pc-shadow: 0 1px 3px rgba(45, 41, 38, 0.1), 0 1px 2px rgba(45, 41, 38, 0.06);
    --pc-shadow-md: 0 4px 6px -1px rgba(45, 41, 38, 0.1), 0 2px 4px -1px rgba(45, 41, 38, 0.06);
    --pc-shadow-lg: 0 10px 15px -3px rgba(45, 41, 38, 0.1), 0 4px 6px -2px rgba(45, 41, 38, 0.05);
    
    /* Other */
    --pc-radius: 8px;
    --pc-radius-lg: 12px;
    --pc-transition: all 0.2s ease;
    
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--pc-text);
    background: var(--pc-bg);
    border-radius: var(--pc-radius-lg);
    box-shadow: var(--pc-shadow-lg);
    overflow: hidden;
    max-width: 1200px;
    margin: 0 auto;
}

/* ==========================================================================
   Header
   ========================================================================== */

.pc-header {
    padding: 24px;
    background: linear-gradient(135deg, var(--pc-primary) 0%, var(--pc-primary-hover) 100%);
    color: white;
    text-align: center;
}

.pc-title {
    margin: 0 0 8px;
    font-size: 1.5rem;
    font-weight: 600;
}

.pc-description {
    margin: 0;
    opacity: 0.9;
    font-size: 0.95rem;
}

/* ==========================================================================
   Progress Bar
   ========================================================================== */

.pc-progress {
    padding: 16px 24px;
    background: var(--pc-bg-alt);
    border-bottom: 1px solid var(--pc-border);
}

.pc-progress-bar {
    height: 4px;
    background: var(--pc-border);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 12px;
}

.pc-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--pc-primary), var(--pc-accent));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.pc-progress-steps {
    display: flex;
    justify-content: space-between;
    gap: 8px;
}

.pc-progress-step {
    font-size: 0.75rem;
    color: var(--pc-text-light);
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--pc-transition);
}

.pc-progress-step.active {
    color: var(--pc-primary);
    background: var(--pc-primary-light);
    font-weight: 500;
}

.pc-progress-step.completed {
    color: var(--pc-success);
}

/* ==========================================================================
   Content Container
   ========================================================================== */

.pc-content {
    padding: 24px;
    min-height: 300px;
    transition: opacity 0.3s ease;
}

.pc-content.pc-transitioning {
    opacity: 0;
}

/* ==========================================================================
   Steps
   ========================================================================== */

.pc-step-title {
    margin: 0 0 8px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--pc-text);
}

.pc-step-description {
    margin: 0 0 20px;
    color: var(--pc-text-light);
    font-size: 0.95rem;
}

/* Step with image layout */
.pc-step-with-image {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.pc-step-content {
    flex: 1;
}

.pc-step-image-wrapper {
    flex-shrink: 0;
    width: 300px;
    position: relative;
}

.pc-step-image {
    width: 100%;
    height: auto;
    border-radius: var(--pc-radius);
    box-shadow: var(--pc-shadow);
}

@media (max-width: 768px) {
    .pc-step-with-image {
        flex-direction: column;
    }
    
    .pc-step-image-wrapper {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
}

/* ==========================================================================
   Blocks
   ========================================================================== */

.pc-blocks {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 24px;
}

.pc-block {
    padding: 20px;
    background: var(--pc-bg-alt);
    border-radius: var(--pc-radius);
    border: 1px solid var(--pc-border);
    transition: var(--pc-transition);
}

.pc-block-error {
    border-color: var(--pc-error);
    background: var(--pc-error-light);
}

.pc-block-title {
    margin: 0 0 4px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--pc-text);
}

.pc-block-description {
    margin: 0 0 16px;
    font-size: 0.875rem;
    color: var(--pc-text-light);
}

/* Block with image layout */
.pc-block-with-desc-image .pc-block-header {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.pc-block-header-content {
    flex: 1;
}

.pc-block-image-wrapper {
    flex-shrink: 0;
    width: 200px;
    position: relative;
}

.pc-block-image {
    width: 100%;
    height: auto;
    border-radius: var(--pc-radius);
    box-shadow: var(--pc-shadow);
}

@media (max-width: 640px) {
    .pc-block-with-desc-image .pc-block-header {
        flex-direction: column;
    }
    
    .pc-block-image-wrapper {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
}

/* ==========================================================================
   Products Grid
   ========================================================================== */

.pc-products {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr;
    
    /* CSS custom properties for responsive columns */
    --pc-cols: 1;
    --pc-cols-tablet: var(--pc-cols);
    --pc-cols-mobile: 1;
}

/* Column classes - used for simple column settings */
.pc-products.pc-cols-1 { --pc-cols: 1; }
.pc-products.pc-cols-2 { --pc-cols: 2; }
.pc-products.pc-cols-3 { --pc-cols: 3; }
.pc-products.pc-cols-4 { --pc-cols: 4; }
.pc-products.pc-cols-5 { --pc-cols: 5; }
.pc-products.pc-cols-6 { --pc-cols: 6; }

/* Apply columns variable */
.pc-products[class*="pc-cols-"] {
    grid-template-columns: repeat(var(--pc-cols), 1fr);
}

/* Auto-fill for flexible layouts */
.pc-products.pc-cols-auto { 
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); 
}

/* Default layouts by block type (when no columns specified) */
.pc-block-with-images .pc-products:not([class*="pc-cols-"]):not([style*="--pc-cols"]) {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

.pc-block-radio .pc-products:not([class*="pc-cols-"]):not([style*="--pc-cols"]),
.pc-block-radio-image .pc-products:not([class*="pc-cols-"]):not([style*="--pc-cols"]) {
    grid-template-columns: 1fr;
}

.pc-block-checkbox .pc-products:not([class*="pc-cols-"]):not([style*="--pc-cols"]) {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.pc-block-checkbox-image .pc-products:not([class*="pc-cols-"]):not([style*="--pc-cols"]) {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

/* ==========================================================================
   Product Card
   ========================================================================== */

.pc-product {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    background: var(--pc-bg);
    border: 2px solid var(--pc-border);
    border-radius: var(--pc-radius);
    cursor: pointer;
    transition: var(--pc-transition);
    position: relative;
    /* Prevent tap highlight on touch devices */
    -webkit-tap-highlight-color: transparent;
}

/* Hover effects only for devices with mouse (not touch) */
@media (hover: hover) and (pointer: fine) {
    .pc-product:hover {
        border-color: var(--pc-primary);
        box-shadow: var(--pc-shadow);
    }
}

.pc-product.selected,
.pc-product:has(.pc-input:checked) {
    border-color: var(--pc-primary);
    background: var(--pc-primary-light);
}

/* Product with image - different layout */
.pc-product-with-image {
    flex-direction: column;
    padding: 12px;
    text-align: center;
    align-items: stretch;
}

/* Product Input (hidden but accessible for label clicks) */
.pc-input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Custom Radio/Checkbox Indicator */
.pc-indicator {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border: 2px solid var(--pc-border);
    background: var(--pc-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--pc-transition);
    margin-top: 2px;
}

.pc-product-radio .pc-indicator {
    border-radius: 50%;
}

.pc-product-checkbox .pc-indicator {
    border-radius: 4px;
}

.pc-product.selected .pc-indicator,
.pc-product:has(.pc-input:checked) .pc-indicator {
    border-color: var(--pc-primary);
    background: var(--pc-primary);
}

.pc-product-radio.selected .pc-indicator::after,
.pc-product-radio:has(.pc-input:checked) .pc-indicator::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
}

.pc-product-checkbox.selected .pc-indicator::after,
.pc-product-checkbox:has(.pc-input:checked) .pc-indicator::after {
    content: '✓';
    font-size: 14px;
    font-weight: bold;
    color: white;
}

/* Product with image - indicator below image */
.pc-product-with-image .pc-indicator {
    margin: 12px auto 0;
}

/* Product Image */
.pc-product-image-wrapper {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--pc-radius);
    background: var(--pc-bg-alt);
}

.pc-product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* Image zoom on hover only for mouse devices */
@media (hover: hover) and (pointer: fine) {
    .pc-product:hover .pc-product-image {
        transform: scale(1.05);
    }
}

/* Product Body (name + price + description) */
.pc-product-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pc-product-with-image .pc-product-body {
    text-align: center;
}

/* Product name and price row */
.pc-product-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
}

.pc-product-with-image .pc-product-header {
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.pc-product-name {
    font-weight: 500;
    color: var(--pc-text);
    font-size: 0.95rem;
    line-height: 1.3;
}

.pc-product-price {
    font-weight: 600;
    color: var(--pc-primary);
    font-size: 0.95rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.pc-product-description {
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--pc-text-light);
    line-height: 1.4;
}

/* ==========================================================================
   Block Total
   ========================================================================== */

.pc-block-total {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--pc-border);
}

.pc-block-total-label {
    font-size: 0.875rem;
    color: var(--pc-text-light);
}

.pc-block-total-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pc-primary);
}

/* ==========================================================================
   Step Running Total (from previous steps)
   ========================================================================== */

.pc-step-running-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    margin-bottom: 16px;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--pc-primary-light) 0%, var(--pc-bg) 100%);
    border-radius: var(--pc-radius);
    border-left: 4px solid var(--pc-primary);
}

.pc-step-total-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--pc-text);
}

.pc-step-total-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pc-primary);
}

/* ==========================================================================
   Running Total (global footer)
   ========================================================================== */

.pc-running-total {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--pc-bg-alt);
    border-top: 1px solid var(--pc-border);
}

.pc-total-label {
    font-size: 0.95rem;
    color: var(--pc-text-light);
}

.pc-total-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pc-primary);
}

/* ==========================================================================
   Actions
   ========================================================================== */

.pc-actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--pc-border);
}

.pc-btn {
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: var(--pc-radius);
    cursor: pointer;
    transition: var(--pc-transition);
}

.pc-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pc-btn-next,
.pc-btn-submit {
    background: var(--pc-primary);
    color: white;
    margin-left: auto;
}

/* Button hover effects only for mouse devices */
@media (hover: hover) and (pointer: fine) {
    .pc-btn-next:hover:not(:disabled),
    .pc-btn-submit:hover:not(:disabled) {
        background: var(--pc-primary-hover);
    }
    
    .pc-btn-prev:hover:not(:disabled) {
        background: var(--pc-border);
    }
}

.pc-btn-prev {
    background: var(--pc-bg-alt);
    color: var(--pc-text);
    border: 1px solid var(--pc-border);
}

/* ==========================================================================
   Contact Form
   ========================================================================== */

.pc-contact-form {
    /* Additional styles for contact form */
}

.pc-summary {
    padding: 16px;
    background: var(--pc-bg-alt);
    border-radius: var(--pc-radius);
    margin-bottom: 20px;
}

.pc-summary-title {
    margin: 0 0 12px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--pc-text);
}

.pc-summary-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.pc-summary-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--pc-border);
    font-size: 0.9rem;
}

.pc-summary-list li:last-child {
    border-bottom: none;
}

/* Base items (hidden products with fixed price) */
.pc-summary-base-items {
    padding: 12px 0;
    border-bottom: 2px solid var(--pc-border);
    margin-bottom: 8px;
}

.pc-summary-base-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.pc-summary-base-item {
    padding: 8px 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    background: linear-gradient(135deg, var(--pc-primary-light) 0%, transparent 100%);
    padding: 10px 12px;
    border-radius: var(--pc-radius);
    margin-bottom: 4px;
}

.pc-summary-base-item:last-child {
    margin-bottom: 0;
}

.pc-summary-base-item .pc-summary-product-name {
    font-weight: 600;
    color: var(--pc-text);
}

.pc-summary-base-item .pc-summary-product-price {
    font-weight: 700;
    color: var(--pc-primary);
}

/* Block with multiple products (checkbox blocks) */
.pc-summary-block {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pc-summary-block strong {
    display: block;
}

/* Nested list for checkbox block products */
.pc-summary-sublist {
    margin: 4px 0 0 0;
    padding: 0 0 0 20px;
    list-style: disc;
}

.pc-summary-sublist li {
    padding: 6px 0;
    border-bottom: none;
    font-size: 0.85rem;
    color: var(--pc-text-light);
}

/* Product info in summary */
.pc-summary-product-name {
    color: var(--pc-text);
    font-weight: 500;
}

.pc-summary-product-desc {
    display: block;
    font-size: 0.8rem;
    color: var(--pc-text-light);
    margin-top: 2px;
}

.pc-summary-product-price {
    display: block;
    color: var(--pc-primary);
    font-weight: 600;
    margin-top: 2px;
}

/* Radio block item */
.pc-summary-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pc-summary-item .pc-summary-product-name {
    display: inline;
}

.pc-summary-item .pc-summary-product-name::after {
    content: ' — ';
    color: var(--pc-text-light);
    font-weight: 400;
}

.pc-summary-item .pc-summary-product-price {
    display: block;
    margin-top: 4px;
}

.pc-final-total {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--pc-primary-light);
    border-radius: var(--pc-radius);
    margin-bottom: 24px;
}

.pc-final-total .pc-total-label {
    font-size: 1rem;
}

.pc-final-total .pc-total-value {
    font-size: 1.5rem;
}

/* Form Fields */
.pc-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pc-form-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pc-form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--pc-text);
}

.pc-required {
    color: var(--pc-error);
    margin-left: 2px;
}

.pc-form-input {
    padding: 10px 12px;
    font-size: 1rem;
    border: 1px solid var(--pc-border);
    border-radius: var(--pc-radius);
    background: var(--pc-bg);
    transition: var(--pc-transition);
}

.pc-form-input:focus {
    outline: none;
    border-color: var(--pc-primary);
    box-shadow: 0 0 0 3px var(--pc-primary-light);
}

/* Prevent zoom on focus for iOS */
.pc-form-input {
    font-size: 16px;
}

.pc-form-textarea {
    resize: vertical;
    min-height: 100px;
}

.pc-form-select {
    cursor: pointer;
}

.pc-form-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.pc-form-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.pc-form-help {
    font-size: 0.8rem;
    color: var(--pc-text-light);
}

/* ==========================================================================
   Success Message
   ========================================================================== */

.pc-success {
    text-align: center;
    padding: 40px 20px;
}

.pc-success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    background: var(--pc-success);
    border-radius: 50%;
}

.pc-success-title {
    margin: 0 0 8px;
    font-size: 1.5rem;
    color: var(--pc-text);
}

.pc-success-message {
    margin: 0;
    color: var(--pc-text-light);
    font-size: 1rem;
}

/* ==========================================================================
   Messages
   ========================================================================== */

.pc-message {
    padding: 12px 16px;
    border-radius: var(--pc-radius);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.pc-message-error {
    background: var(--pc-error-light);
    color: var(--pc-error);
    border: 1px solid var(--pc-error);
}

.pc-message-info {
    background: var(--pc-primary-light);
    color: var(--pc-primary);
    border: 1px solid var(--pc-primary);
}

.pc-message-success {
    background: var(--pc-success-light);
    color: var(--pc-success);
    border: 1px solid var(--pc-success);
}

/* ==========================================================================
   Image Zoom Button
   ========================================================================== */

.pc-image-zoom {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--pc-shadow);
    transition: var(--pc-transition);
    z-index: 10;
}

.pc-image-zoom:hover {
    background: white;
    box-shadow: var(--pc-shadow-md);
}

.pc-image-zoom svg {
    color: var(--pc-primary);
}

/* ==========================================================================
   Lightbox
   ========================================================================== */

.pc-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    cursor: zoom-out;
}

.pc-lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--pc-radius);
    box-shadow: var(--pc-shadow-lg);
}

.pc-lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--pc-text);
    transition: var(--pc-transition);
}

.pc-lightbox-close:hover {
    background: white;
}

/* ==========================================================================
   Touch Device Optimizations
   ========================================================================== */

/* Disable hover effects on touch devices */
@media (hover: none) and (pointer: coarse) {
    .pc-product {
        /* Remove any accidental hover state persistence */
        -webkit-tap-highlight-color: transparent;
    }
    
    /* Active state for touch feedback (when actually pressed) */
    .pc-product:active {
        background: var(--pc-bg-alt);
    }
    
    /* Larger touch targets */
    .pc-product {
        min-height: 44px;
    }
    
    .pc-btn {
        min-height: 44px;
    }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Tablet (640px - 1023px) */
@media (max-width: 1023px) {
    /* Use tablet columns if set, otherwise reduce desktop columns */
    .pc-products {
        grid-template-columns: repeat(var(--pc-cols-tablet), 1fr);
    }
    
    /* Fallback for simple column classes */
    .pc-products.pc-cols-4,
    .pc-products.pc-cols-5,
    .pc-products.pc-cols-6 {
        --pc-cols-tablet: 3;
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pc-products.pc-cols-3 {
        --pc-cols-tablet: 2;
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile (< 640px) */
@media (max-width: 640px) {
    .pc-calculator {
        border-radius: 0;
        margin: 0 -16px;
        max-width: none;
    }
    
    .pc-header {
        padding: 20px 16px;
    }
    
    .pc-title {
        font-size: 1.25rem;
    }
    
    .pc-progress {
        padding: 12px 16px;
    }
    
    .pc-progress-steps {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pc-content {
        padding: 16px;
    }
    
    .pc-block {
        padding: 16px;
    }
    
    /* Use mobile columns on mobile - inline styles take precedence */
    .pc-products {
        grid-template-columns: repeat(var(--pc-cols-mobile), 1fr) !important;
    }
    
    /* Fallback for simple column classes - single column on mobile (only if no inline style) */
    .pc-products.pc-cols-2:not([style*="--pc-cols-mobile"]),
    .pc-products.pc-cols-3:not([style*="--pc-cols-mobile"]),
    .pc-products.pc-cols-4:not([style*="--pc-cols-mobile"]),
    .pc-products.pc-cols-5:not([style*="--pc-cols-mobile"]),
    .pc-products.pc-cols-6:not([style*="--pc-cols-mobile"]),
    .pc-products.pc-cols-auto:not([style*="--pc-cols-mobile"]) {
        --pc-cols-mobile: 1;
        grid-template-columns: 1fr !important;
    }
    
    /* Keep 2 columns for image blocks on mobile (only if no custom mobile setting) */
    .pc-block-with-images .pc-products.pc-cols-2:not([style*="--pc-cols-mobile"]),
    .pc-block-with-images .pc-products.pc-cols-3:not([style*="--pc-cols-mobile"]),
    .pc-block-with-images .pc-products.pc-cols-4:not([style*="--pc-cols-mobile"]) {
        --pc-cols-mobile: 2;
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .pc-block-checkbox .pc-products:not([class*="pc-cols-"]):not([style*="--pc-cols"]) {
        grid-template-columns: 1fr;
    }
    
    .pc-block-with-images .pc-products:not([class*="pc-cols-"]):not([style*="--pc-cols"]) {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pc-product {
        padding: 10px 12px;
    }
    
    .pc-indicator {
        width: 18px;
        height: 18px;
    }
    
    .pc-product-radio .pc-indicator::after {
        width: 6px;
        height: 6px;
    }
    
    .pc-product-checkbox .pc-indicator::after {
        font-size: 12px;
    }
    
    .pc-actions {
        flex-direction: column-reverse;
    }
    
    .pc-btn {
        width: 100%;
        text-align: center;
    }
    
    .pc-btn-next,
    .pc-btn-submit {
        margin-left: 0;
    }
}

/* ==========================================================================
   Dark Mode Support (optional - disabled by default)
   ========================================================================== */

/*
@media (prefers-color-scheme: dark) {
    .pc-calculator.pc-dark-mode {
        --pc-text: #f1f5f9;
        --pc-text-light: #94a3b8;
        --pc-border: #334155;
        --pc-bg: #1e293b;
        --pc-bg-alt: #0f172a;
        --pc-primary-light: rgba(232, 90, 27, 0.2);
        --pc-success-light: rgba(16, 185, 129, 0.2);
        --pc-error-light: rgba(239, 68, 68, 0.2);
    }
}
*/