/**
 * CircuFlax Calculator - Frontend Styles
 *
 * @package CircuflaxCalculator
 * @since 1.1.0
 */

/* ============================================
   CSS Variables
   ============================================ */

.circuflax-calculator {
    --cf-primary: #63a18f;
    --cf-secondary: #21a07c;
    --cf-heading: #684423;
    --cf-bg-light: #f5f6f0;
    --cf-bg-white: #ffffff;
    --cf-text: #333333;
    --cf-text-light: #666666;
    --cf-border: #ddd;
    --cf-error: #dc3232;
    --cf-success: #46b450;
    --cf-warning: #ffb900;
    --cf-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --cf-radius: var(--cf-global-radius, 8px);
    --cf-transition: 0.3s ease;
}

/* ============================================
   Calculator Container
   ============================================ */

.circuflax-calculator {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--cf-bg-white);
    border-radius: var(--cf-radius);
    box-shadow: var(--cf-shadow);
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
}

.circuflax-calculator * {
    box-sizing: border-box;
}

/* ============================================
   Floating Action Button (FAB)
   ============================================ */

.circuflax-fab {
    position: fixed;
    bottom: 30px;
    bottom: max(30px, env(safe-area-inset-bottom, 0px));
    z-index: 99990;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    color: #fff;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    font-weight: 600;
    line-height: 1;
}

.circuflax-fab:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

.circuflax-fab--right {
    right: 30px;
}

.circuflax-fab--left {
    left: 30px;
}

.circuflax-fab__icon {
    font-size: 20px;
    line-height: 1;
    background: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.circuflax-fab__text {
    white-space: nowrap;
}

/* ============================================
   Modal Overlay
   ============================================ */

.circuflax-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.circuflax-modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.circuflax-modal__container {
    position: relative;
    width: 90%;
    max-width: 860px;
    max-height: 90vh;
    background: #fff;
    border-radius: calc(var(--cf-radius, 8px) * 1.5);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 1;
}

.circuflax-modal__close {
    position: sticky;
    top: 0;
    float: right;
    z-index: 2;
    margin: 10px 10px 0 0;
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.05);
    border: none;
    border-radius: 50%;
    font-size: 28px;
    line-height: 1;
    color: #333;
    cursor: pointer;
    transition: background 0.2s ease;
}

.circuflax-modal__close:hover {
    background: rgba(0, 0, 0, 0.1);
}

.circuflax-modal__body {
    padding: 10px 0 0 0;
}

/* In modal: remove shadow from calculator */
.circuflax-modal__body .circuflax-calculator {
    box-shadow: none;
    border-radius: 0;
}

/* ============================================
   Step Indicator - circles always horizontally aligned
   ============================================ */

.circuflax-steps-indicator {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin-bottom: 40px;
    padding: 0 20px;
}

.circuflax-step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: var(--cf-transition);
}

.circuflax-step-indicator .step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--cf-bg-light);
    border: 2px solid var(--cf-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--cf-text-light);
    transition: var(--cf-transition);
    flex-shrink: 0;
}

.circuflax-step-indicator .step-title {
    font-size: 12px;
    color: var(--cf-text-light);
    margin-top: 8px;
    text-align: center;
    max-width: 80px;
    transition: var(--cf-transition);
}

.circuflax-step-indicator.active .step-number {
    background: var(--cf-secondary);
    border-color: var(--cf-secondary);
    color: #fff;
}

.circuflax-step-indicator.active .step-title {
    color: var(--cf-secondary);
    font-weight: 600;
}

.circuflax-step-indicator.completed .step-number {
    background: var(--cf-primary);
    border-color: var(--cf-primary);
    color: #fff;
}

.circuflax-step-indicator.completed .step-number::after {
    content: '\2713';
}

.circuflax-step-indicator.completed .step-title {
    color: var(--cf-primary);
}

.step-connector {
    flex: 1;
    height: 2px;
    background: var(--cf-border);
    margin: 0 10px;
    margin-top: 20px;
    transition: var(--cf-transition);
}

.step-connector.completed {
    background: var(--cf-primary);
}

/* ============================================
   Step Content
   ============================================ */

.circuflax-step {
    animation: cfFadeIn 0.3s ease;
}

@keyframes cfFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.step-header {
    text-align: center;
    margin-bottom: 30px;
}

.step-header h2 {
    color: var(--cf-heading);
    font-size: 24px;
    margin: 0 0 10px 0;
}

.step-header .step-description {
    color: var(--cf-text-light);
    margin: 0;
}

.step-content {
    padding: 0 20px;
}

/* ============================================
   Step 1: Surface Input
   ============================================ */

.circuflax-input-group {
    margin-bottom: 25px;
}

.circuflax-input-group label {
    display: block;
    font-weight: 600;
    color: var(--cf-heading);
    margin-bottom: 10px;
}

.circuflax-slider-container {
    margin-bottom: 15px;
}

.circuflax-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--cf-bg-light);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.circuflax-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--cf-secondary);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(33, 160, 124, 0.4);
    transition: var(--cf-transition);
}

.circuflax-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.circuflax-slider::-moz-range-thumb {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--cf-secondary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(33, 160, 124, 0.4);
}

.circuflax-number-input {
    display: flex;
    align-items: center;
    max-width: 200px;
}

.circuflax-number-input input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid var(--cf-border);
    border-radius: var(--cf-radius);
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    transition: var(--cf-transition);
}

.circuflax-number-input input:focus {
    border-color: var(--cf-secondary);
    outline: none;
}

.circuflax-number-input .input-suffix {
    margin-left: 10px;
    font-size: 16px;
    color: var(--cf-text-light);
}

.circuflax-calculation-preview {
    background: var(--cf-bg-light);
    border-radius: var(--cf-radius);
    padding: 20px;
    text-align: center;
}

.circuflax-calculation-preview .preview-item {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.circuflax-calculation-preview .preview-label {
    color: var(--cf-text-light);
}

.circuflax-calculation-preview .preview-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--cf-heading);
}

/* ============================================
   Step 2: Color Selection
   ============================================ */

.circuflax-colors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.circuflax-color-card {
    border: 2px solid var(--cf-border);
    border-radius: var(--cf-radius);
    padding: 10px;
    text-align: center;
    cursor: pointer;
    transition: var(--cf-transition);
}

.circuflax-color-card:hover {
    border-color: var(--cf-primary);
    transform: translateY(-2px);
}

.circuflax-color-card.selected,
.circuflax-surface-card.selected,
.circuflax-option-item.selected {
    border-color: var(--cf-secondary);
    background: rgba(33, 160, 124, 0.05);
    position: relative;
}

.circuflax-color-card.selected::after,
.circuflax-surface-card.selected::after,
.circuflax-option-item.selected::after {
    content: '\2713';
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    background: var(--cf-secondary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
    line-height: 1;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.circuflax-color-card img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 8px;
}

.circuflax-color-card .color-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--cf-text);
    margin-bottom: 4px;
}

.circuflax-color-card .color-price {
    font-size: 12px;
    color: var(--cf-text-light);
}

.circuflax-color-disclaimer {
    background: #fff8e5;
    border: 1px solid var(--cf-warning);
    border-radius: var(--cf-radius);
    padding: 15px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.circuflax-color-disclaimer .disclaimer-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.circuflax-color-disclaimer p {
    margin: 0;
    font-size: 13px;
    color: var(--cf-text);
    line-height: 1.5;
}

/* ============================================
   Step 3: Surface Selection
   ============================================ */

.circuflax-surfaces-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.circuflax-surface-card {
    border: 2px solid var(--cf-border);
    border-radius: var(--cf-radius);
    padding: 15px;
    cursor: pointer;
    transition: var(--cf-transition);
}

.circuflax-surface-card:hover {
    border-color: var(--cf-primary);
}

.circuflax-surface-card .surface-image {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 12px;
    background: var(--cf-bg-light);
}

.circuflax-surface-card .surface-name {
    font-weight: 700;
    color: var(--cf-heading);
    margin-bottom: 6px;
}

.circuflax-surface-card .surface-description {
    font-size: 13px;
    color: var(--cf-text-light);
    line-height: 1.4;
}

.circuflax-primer-section {
    background: var(--cf-bg-light);
    border-radius: var(--cf-radius);
    padding: 20px;
    margin-top: 20px;
}

.primer-recommendation {
    margin-bottom: 15px;
    padding: 10px 15px;
    border-radius: 4px;
    font-size: 14px;
}

.primer-recommendation.recommended {
    background: rgba(33, 160, 124, 0.1);
    color: var(--cf-secondary);
    border: 1px solid var(--cf-secondary);
}

.primer-recommendation.optional {
    background: rgba(102, 102, 102, 0.1);
    color: var(--cf-text-light);
}

.circuflax-checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.circuflax-checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    accent-color: var(--cf-secondary);
}

.circuflax-checkbox-label .checkbox-text {
    font-weight: 600;
    color: var(--cf-text);
}

.circuflax-checkbox-label .primer-price {
    font-weight: 400;
    color: var(--cf-text-light);
    margin-left: 8px;
}

/* ============================================
   Step 4: Extra Options
   ============================================ */

.circuflax-options-accordion {
    margin-bottom: 20px;
}

.circuflax-option-category {
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius);
    margin-bottom: 10px;
    overflow: hidden;
}

.circuflax-option-header {
    display: flex;
    align-items: center;
    padding: 15px;
    cursor: pointer;
    background: var(--cf-bg-light);
    transition: var(--cf-transition);
}

.circuflax-option-header:hover {
    background: #e8e9e4;
}

.circuflax-option-header .category-toggle {
    font-size: 14px;
    margin-right: 12px;
    transition: var(--cf-transition);
}

.circuflax-option-header.open .category-toggle {
    transform: rotate(90deg);
}

.circuflax-option-header .category-image {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 4px;
    margin-right: 12px;
}

.circuflax-option-header .category-name {
    font-weight: 600;
    color: var(--cf-heading);
    flex: 1;
}

.circuflax-option-items {
    display: none;
    padding: 15px;
    border-top: 1px solid var(--cf-border);
}

.circuflax-option-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.circuflax-option-item:last-child {
    border-bottom: none;
}

.circuflax-option-item input[type="checkbox"] {
    width: 22px;
    height: 22px;
    min-width: 22px;
    margin-right: 12px;
    accent-color: var(--cf-secondary);
}

.circuflax-option-item .item-name {
    flex: 1;
    font-weight: 500;
}

.circuflax-option-item .item-price {
    color: var(--cf-text-light);
    margin-right: 15px;
}

.circuflax-option-item .item-quantity {
    display: flex;
    align-items: center;
    gap: 8px;
}

.circuflax-option-item .item-quantity button {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border: 1px solid var(--cf-border);
    border-radius: 4px;
    background: var(--cf-bg-white);
    cursor: pointer;
    font-size: 16px;
    transition: var(--cf-transition);
}

.circuflax-option-item .item-quantity button:hover {
    background: var(--cf-bg-light);
}

.circuflax-option-item .item-quantity input {
    width: 40px;
    text-align: center;
    border: 1px solid var(--cf-border);
    border-radius: 4px;
    padding: 4px;
}

.circuflax-optional-notice {
    text-align: center;
    color: var(--cf-text-light);
    font-size: 14px;
    font-style: italic;
}

/* ============================================
   Step 5: Order Summary
   ============================================ */

.circuflax-order-summary {
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius);
    overflow: hidden;
    margin-bottom: 20px;
}

.circuflax-order-summary .summary-header {
    background: var(--cf-bg-light);
    padding: 12px 15px;
    font-weight: 600;
    color: var(--cf-heading);
    border-bottom: 1px solid var(--cf-border);
}

.circuflax-order-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
}

.circuflax-order-item:last-child {
    border-bottom: none;
}

.circuflax-order-item .item-name {
    flex: 1;
}

.circuflax-order-item .item-qty {
    color: var(--cf-text-light);
    margin: 0 15px;
    min-width: 80px;
}

.circuflax-order-item .item-subtotal {
    font-weight: 600;
    min-width: 80px;
    text-align: right;
}

.circuflax-order-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--cf-secondary);
    color: #fff;
    padding: 20px;
    border-radius: var(--cf-radius);
}

.circuflax-order-total .total-label {
    font-size: 16px;
}

.circuflax-order-total .total-value {
    font-size: 28px;
    font-weight: 700;
}

/* ============================================
   Navigation Buttons
   ============================================ */

.circuflax-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--cf-border);
}

.circuflax-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--cf-radius);
    cursor: pointer;
    transition: var(--cf-transition);
    text-decoration: none;
}

.circuflax-btn .btn-icon {
    font-size: 14px;
}

.circuflax-btn-primary {
    background: var(--cf-secondary);
    color: #fff;
}

.circuflax-btn-primary:hover {
    background: #1a8a6b;
}

.circuflax-btn-secondary {
    background: var(--cf-bg-light);
    color: var(--cf-text);
}

.circuflax-btn-secondary:hover {
    background: #e0e1dc;
}

.circuflax-btn-success {
    background: var(--cf-secondary);
    color: #fff;
    flex: 1;
    justify-content: center;
}

.circuflax-btn-success .btn-icon {
    background: #fff;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 16px;
    line-height: 1;
}

.circuflax-btn-success:hover {
    background: #1a8a6b;
    color: #fff;
}

.circuflax-btn-danger {
    background: var(--cf-error);
    color: #fff;
}

.circuflax-btn-danger:hover {
    background: #c52d2d;
}

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

/* ============================================
   Cart Actions (after adding to cart)
   ============================================ */

.circuflax-cart-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 15px;
}

.circuflax-cart-actions .circuflax-btn {
    flex: 1;
    justify-content: center;
}

/* ============================================
   Messages & Loading
   ============================================ */

.circuflax-error {
    color: var(--cf-error);
    font-size: 14px;
    margin-top: 8px;
    padding: 10px;
    background: rgba(220, 50, 50, 0.1);
    border-radius: 4px;
}

.circuflax-loading {
    text-align: center;
    padding: 40px;
    color: var(--cf-text-light);
}

.circuflax-loading .spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--cf-border);
    border-top-color: var(--cf-secondary);
    border-radius: 50%;
    animation: cfSpin 1s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}

@keyframes cfSpin {
    to { transform: rotate(360deg); }
}

.circuflax-cart-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: var(--cf-radius);
    text-align: center;
}

.circuflax-cart-message.success {
    background: rgba(70, 180, 80, 0.1);
    color: var(--cf-success);
    border: 1px solid var(--cf-success);
}

.circuflax-cart-message.error {
    background: rgba(220, 50, 50, 0.1);
    color: var(--cf-error);
    border: 1px solid var(--cf-error);
}

/* ============================================
   Primer Popup
   ============================================ */

.circuflax-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.circuflax-popup__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.circuflax-popup__dialog {
    position: relative;
    z-index: 1;
    background: #fff;
    border-radius: calc(var(--cf-radius, 8px) * 1.5);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    overflow: hidden;
}

.circuflax-popup__header {
    background: var(--cf-bg-light, #f5f6f0);
    padding: 18px 24px;
    border-bottom: 1px solid var(--cf-border, #ddd);
}

.circuflax-popup__header h3 {
    margin: 0;
    font-size: 18px;
    color: var(--cf-heading, #684423);
}

.circuflax-popup__body {
    padding: 24px;
}

.circuflax-popup__recommendation {
    font-size: 15px;
    line-height: 1.6;
    color: var(--cf-text, #333);
    margin-bottom: 12px;
}

.circuflax-popup__price-info {
    margin-bottom: 20px;
}

.circuflax-popup__price {
    font-size: 16px;
    color: var(--cf-heading, #684423);
    margin: 0;
}

.circuflax-popup__actions-initial,
.circuflax-popup__actions-warning {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
}

.circuflax-popup__actions-initial .circuflax-btn,
.circuflax-popup__actions-warning .circuflax-btn {
    width: 100%;
    justify-content: center;
}

.circuflax-popup__warning {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: var(--cf-radius, 8px);
    padding: 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-top: 16px;
}

.circuflax-popup__risk-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.circuflax-popup__risk-text {
    font-size: 14px;
    line-height: 1.5;
    color: #856404;
}

/* ============================================
   Color Disclaimer Popup
   ============================================ */

.circuflax-popup__product-preview {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
    padding: 12px;
    background: var(--cf-bg-light, #f5f6f0);
    border-radius: var(--cf-radius, 8px);
}

.circuflax-popup__product-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

.circuflax-popup__product-name {
    font-weight: 600;
    font-size: 16px;
    color: var(--cf-heading, #684423);
}

.circuflax-popup__disclaimer {
    background: #fff8e5;
    border: 1px solid var(--cf-warning, #ffb900);
    border-radius: var(--cf-radius, 8px);
    padding: 15px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.circuflax-popup__disclaimer .disclaimer-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.circuflax-popup__disclaimer p {
    margin: 0;
    font-size: 13px;
    color: var(--cf-text, #333);
    line-height: 1.5;
}

/* ============================================
   Tooltip
   ============================================ */

.circuflax-tooltip {
    display: none;
    position: absolute;
    z-index: 100001;
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.4;
    max-width: 260px;
    white-space: normal;
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.circuflax-tooltip::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid rgba(0, 0, 0, 0.85);
}

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

@media screen and (max-width: 768px) {
    .circuflax-calculator {
        padding: 20px;
        margin: 0 10px;
    }

    .circuflax-steps-indicator {
        flex-wrap: nowrap;
        gap: 6px;
        padding: 0 10px;
    }

    .circuflax-step-indicator .step-title {
        display: none;
    }

    .step-connector {
        display: none;
    }

    .circuflax-step-indicator .step-number {
        width: 34px;
        height: 34px;
        font-size: 14px;
    }

    .step-header h2 {
        font-size: 20px;
    }

    .step-content {
        padding: 0;
    }

    .circuflax-colors-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .circuflax-color-card img {
        width: 60px;
        height: 60px;
    }

    .circuflax-surfaces-grid {
        grid-template-columns: 1fr;
    }

    .circuflax-navigation {
        flex-direction: column;
        gap: 10px;
    }

    .circuflax-btn {
        width: 100%;
        justify-content: center;
    }

    .circuflax-order-total .total-value {
        font-size: 22px;
    }

    .circuflax-cart-actions {
        flex-direction: column;
    }

    .circuflax-fab {
        bottom: 20px;
        padding: 12px 20px;
        font-size: 14px;
    }

    .circuflax-fab--right { right: 20px; }
    .circuflax-fab--left { left: 20px; }

    .circuflax-modal__container {
        width: 95%;
        max-height: 95vh;
        border-radius: 8px;
    }
}

@media screen and (max-width: 480px) {
    .circuflax-colors-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .circuflax-option-item {
        flex-wrap: wrap;
    }

    .circuflax-option-item .item-quantity {
        width: 100%;
        margin-top: 10px;
        justify-content: flex-end;
    }

    .circuflax-fab__text {
        display: none;
    }

    .circuflax-fab {
        padding: 14px;
        border-radius: 50%;
    }

    .circuflax-fab__icon {
        font-size: 24px;
    }

    .circuflax-fab {
        bottom: 16px;
        bottom: max(16px, env(safe-area-inset-bottom, 0px));
    }

    .circuflax-fab--right { right: 16px; }
    .circuflax-fab--left { left: 16px; }
}

/* ============================================
   Landscape Mode
   ============================================ */

@media screen and (max-height: 500px) and (orientation: landscape) {
    .circuflax-modal__container {
        max-height: 98vh;
        border-radius: 6px;
    }

    .step-header h2 {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .step-header .step-description {
        display: none;
    }

    .circuflax-steps-indicator {
        gap: 6px;
    }

    .circuflax-step-indicator .step-title {
        display: none;
    }

    .step-connector {
        display: none;
    }
}

/* ============================================
   Touch & Accessibility
   ============================================ */

.circuflax-color-card,
.circuflax-surface-card,
.circuflax-option-item,
.circuflax-btn,
.circuflax-fab,
.circuflax-option-item .item-quantity button {
    touch-action: manipulation;
}

.circuflax-btn:focus-visible,
.circuflax-fab:focus-visible,
.circuflax-modal__close:focus-visible,
.circuflax-color-card:focus-visible,
.circuflax-surface-card:focus-visible {
    outline: 3px solid var(--cf-secondary, #21a07c);
    outline-offset: 2px;
}

/* Popup overflow voor kleine schermen */
.circuflax-popup__body,
.circuflax-cart-popup__body {
    max-height: 70vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* Touch devices: verberg hover tooltip hint */
@media (hover: none) {
    .circuflax-tooltip {
        display: none !important;
    }
}