/**
 * QuarryMaster Konfigurator - Modern Minimalist Design
 * Version: 2.1.0
 * Primärfarbe: #0C6934 (Dunkelgrün)
 * Sekundärfarbe: #FDD835 (Gelb)
 */

/* === DESIGN SYSTEM: FARBEN & SPACING === */
:root {
    --qm-primary: #0C6934;
    --qm-secondary: #FDD835;
    --qm-dark: #1a1a1a;
    --qm-gray-900: #2c2c2c;
    --qm-gray-700: #4a4a4a;
    --qm-gray-500: #757575;
    --qm-gray-300: #d4d4d4;
    --qm-gray-100: #f5f5f5;
    --qm-white: #ffffff;
    --qm-border: #e0e0e0;
    --qm-shadow: rgba(0, 0, 0, 0.08);

    /* Modern Spacing System */
    --qm-spacing-xs: 8px;
    --qm-spacing-sm: 12px;
    --qm-spacing-md: 16px;
    --qm-spacing-lg: 24px;
    --qm-spacing-xl: 32px;
    --qm-spacing-2xl: 48px;
}

/* === TYPOGRAPHY === */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

select {
    border-radius: 0px !important;
}

/* === KONFIGURATOR WRAPPER === */
.qm-konfigurator-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    background: var(--qm-white);
}

.qm-konfigurator-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 0;
    margin-top: 0;
}

.qm-konfigurator-main {
    min-width: 0;
    padding: 0 var(--qm-spacing-xl);
    background: var(--qm-white);
}

/* === HEADER === */
.qm-konfigurator-header {
    display: none;
    text-align: left;
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.qm-konfigurator-header h2 {
    color: var(--qm-dark);
    font-size: 32px;
    margin-bottom: var(--qm-spacing-xs);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.qm-konfigurator-header p {
    color: var(--qm-gray-500);
    font-size: 15px;
    margin: 0;
    font-weight: 400;
}

/* === STEPPER PROGRESS === */
.qm-stepper-progress {
    margin-bottom: var(--qm-spacing-2xl);
    position: relative;
    z-index: 10;
}

.qm-progress-bar {
    height: 10px;
    background: var(--qm-gray-100);
    position: relative;
    margin-bottom: var(--qm-spacing-lg);
}

.qm-progress-fill {
    height: 100%;
    background: var(--qm-primary);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 16.66%;
}

/* === PROGRESS STEPS === */
.qm-progress-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.qm-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    cursor: pointer;
    transition: all 0.2s ease;
    gap: var(--qm-spacing-xs);
}

.qm-step-number {
    width: 36px;
    height: 36px;
    border: 2px solid var(--qm-border);
    background: var(--qm-white);
    color: var(--qm-gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.2s ease;
}

.qm-step-label {
    font-size: 11px;
    color: var(--qm-gray-500);
    font-weight: 500;
    transition: color 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.qm-step.active .qm-step-number {
    background: var(--qm-primary);
    color: var(--qm-white);
    border-color: var(--qm-primary);
}

.qm-step.active .qm-step-label {
    color: var(--qm-primary);
    font-weight: 600;
}

.qm-step.completed .qm-step-number {
    background: var(--qm-primary);
    color: var(--qm-white);
    border-color: var(--qm-primary);
}


.qm-step.completed .qm-step-label {
    color: var(--qm-gray-700);
}

/* === STEP CONTENT === */
.qm-stepper-content {
    min-height: 400px;
    margin-bottom: var(--qm-spacing-xl);
}

.qm-step-content {
    display: none;
    animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qm-step-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.qm-step-content h3 {
    color: var(--qm-dark);
    font-size: 24px;
    margin-bottom: var(--qm-spacing-xs);
    font-weight: 700;
    letter-spacing: -0.3px;
    border: none;
    padding: 0;
}

.qm-step-content p {
    color: var(--qm-gray-500);
    margin-bottom: var(--qm-spacing-xl);
    font-size: 14px;
    line-height: 1.6;
}

/* === INFO BOX === */
.qm-info-box {
    background-color: var(--qm-gray-100);
    border-left: 5px solid #2196F3;
    padding: var(--qm-spacing-md);
    border-radius: 0px !important;
    margin-bottom: var(--qm-spacing-lg);

}

.qm-info-box p {
    margin: 0;
    color: var(--qm-gray-700);
    font-size: 14px;
    line-height: 1.6;
}

.qm-info-box a {
    color: var(--qm-primary);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.qm-info-box a:hover {
    border-bottom-color: var(--qm-primary);
}

/* === FORM ELEMENTS === */
.qm-form-group {
    margin-bottom: var(--qm-spacing-lg);
}

.qm-form-group label {
    display: block;
    margin-bottom: var(--qm-spacing-xs);
    font-weight: 600;
    color: var(--qm-dark);
    font-size: 13px;
}

.qm-required {
    color: #dc3545;
    font-weight: 700;
    margin-left: 2px;
}

.qm-form-control {
    width: 100%;
    padding: var(--qm-spacing-sm) 14px;
    border: 1px solid var(--qm-border);
    border-radius: 0;
    font-size: 15px;
    transition: all 0.2s ease;
    background: var(--qm-white);
    color: var(--qm-dark);
    box-sizing: border-box;
}

.qm-form-control:focus {
    outline: none;
    border-color: var(--qm-primary);
    box-shadow: 0 0 0 3px rgba(12, 105, 52, 0.08);
}

.qm-field-help {
    display: block;
    margin-top: 6px;
    color: var(--qm-gray-500);
    font-size: 12px;
    font-style: normal;
}

/* === DEAKTIVIERTE KOMPONENTEN (IE4 Motor) === */

/* Ausgegraut und visuell deaktiviert */
.qm-component-disabled {
    pointer-events: none;
    position: relative;
}

/* Semi-transparentes Overlay zur visuellen Deaktivierung */
.qm-component-disabled::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    cursor: not-allowed;
    z-index: 1;
}

/* Schloss-Icon Styling */
.qm-lock-icon {
    font-size: 1em;
    margin-left: 6px;
    color: var(--qm-gray-500);
    display: inline-block;
}

/* Deaktivierte Radio-Buttons */
.qm-component-disabled input[type="radio"]:disabled {
    cursor: not-allowed;
}

/* Deaktivierte Labels */
.qm-component-disabled label {
    cursor: not-allowed !important;
    color: var(--qm-gray-500) !important;
}

/* Verhindert Hover-Effekte bei deaktivierten Komponenten */
.qm-component-disabled:hover {
    opacity: 0.4;
}

/* Hinweis für Hochleistungsmotoren (>= 75 kW) */
.qm-high-power-notice {
    color: #dc3545;
    font-size: 0.85em;
    font-style: italic;
    display: inline-block;
    margin-left: 4px;
}

/* === SONDERLACKIERUNG DETAILS (im Container integriert) === */
.qm-special-paint-fields {
    padding: var(--qm-spacing-xs);
}

.qm-special-paint-fields .qm-form-group {
    margin-bottom: var(--qm-spacing-md);
}

.qm-special-paint-fields .qm-form-group:last-child {
    margin-bottom: 0;
}

/* Disabled state for entire form */
.qm-special-paint-fields.qm-fields-disabled label {
    color: #9ca3af;
}

.qm-special-paint-fields.qm-fields-disabled .qm-field-help {
    color: #9ca3af;
}

/* === UNIFIED BUTTON SYSTEM === */
.qm-btn,
.qm-btn-primary,
.qm-btn-secondary,
.qm-btn-success,
.qm-btn-cart-save,
.qm-btn-cart-new,
.qm-btn-cart-clear,
.qm-btn-cart-request,
.qm-btn-view-all,
.qm-btn-load-productnumber,
#load-product-number {
    padding: var(--qm-spacing-sm) var(--qm-spacing-lg);
    border: 1px solid var(--qm-border);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--qm-white);
    color: var(--qm-gray-700);
    line-height: 1.4;
    text-align: center;
}

.qm-btn:disabled,
.qm-btn-primary:disabled,
.qm-btn-secondary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Primary Button Style */
.qm-btn-primary,
.qm-btn-success,
.qm-btn-cart-request {
    background: var(--qm-primary);
    color: var(--qm-white);
    border-color: var(--qm-primary);
}

.qm-btn-primary:hover:not(:disabled),
.qm-btn-success:hover:not(:disabled),
.qm-btn-cart-request:hover {
    background: #FBD735;
    border-color: #FBD735;
    color: var(--qm-dark);
}

/* Secondary Button Style (Default) */
.qm-btn-secondary,
.qm-btn-cart-save,
.qm-btn-cart-new,
.qm-btn-cart-clear,
.qm-btn-view-all,
.qm-btn-load-productnumber,
#load-product-number {
    background: var(--qm-white);
    color: var(--qm-gray-700);
    border-color: var(--qm-border);
}

.qm-btn-secondary:hover:not(:disabled),
.qm-btn-cart-save:hover,
.qm-btn-cart-new:hover,
.qm-btn-cart-clear:hover,
.qm-btn-view-all:hover,
.qm-btn-load-productnumber:hover,
#load-product-number:hover {
    background: var(--qm-gray-100);
    border-color: var(--qm-gray-300);
    color: var(--qm-dark);
}

/* === NAVIGATION === */
.qm-stepper-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--qm-spacing-md);
    padding-top: var(--qm-spacing-xl);
    border-top: 1px solid var(--qm-border);
    margin-top: var(--qm-spacing-xl);
}

/* === MOTOR OPTIONS (STEP 1) === */
.qm-motor-options-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--qm-spacing-lg);
}

.qm-motor-option {
    flex: 1;
    min-width: 0;
}

.qm-motor-header {
    background: var(--qm-gray-100);
    padding: 14px var(--qm-spacing-md);
    border: 1px solid var(--qm-border) !important;
    border-bottom: none !important;
    border-radius: 0px !important;
    transition: all 0.3s ease;
}

.qm-motor-header label {
    font-weight: bold;
    font-size: 14px;
    margin: 0;
    display: block;
    color: var(--qm-dark);
    transition: color 0.3s ease;
}

.qm-motor-details {
    border: 1px solid var(--qm-border);
    padding: var(--qm-spacing-md);
    background: var(--qm-white);
    border-radius: 0px !important;
    transition: all 0.3s ease;
}

/* Motor options - kein "valid" Zustand mehr */

/* === SHAFT OPTIONS (STEP 2) === */
.qm-shaft-options-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--qm-spacing-lg);
    margin-top: var(--qm-spacing-lg);
}

.qm-shaft-option {
    flex: 1;
    min-width: 0;
    transition: all 0.2s ease;
}

.qm-shaft-header {
    background: var(--qm-gray-100);
    padding: 14px var(--qm-spacing-md);
    border: 1px solid var(--qm-border);
    border-bottom: none;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: row;
    align-items: center;
}

.qm-shaft-header input[type="radio"] {
    margin-right: 10px;
}

.qm-shaft-header label {
    font-weight: bold;
    font-size: 14px;
    cursor: pointer;
    margin: 0;
    color: var(--qm-dark);
}

.qm-shaft-details {
    border: 1px solid var(--qm-border);
    padding: var(--qm-spacing-md);
    background: var(--qm-white);
}

/* Shaft content with image - flex layout for form + image */
.qm-shaft-content-with-image {
    display: flex;
    gap: var(--qm-spacing-lg);
    align-items: flex-start;
}

.qm-shaft-content-with-image .qm-form-group {
    flex: 2;
}

.qm-shaft-image {
    flex: 1;
}

.qm-shaft-image img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid #d1d5db;
    background: var(--qm-white);
}

/* Shaft options - kein grüner "selected/checked" Zustand mehr - bleiben immer grau */

/* === MOUNTING POSITIONS (STEP 4) === */
.qm-mounting-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--qm-spacing-sm);
    max-width: 1000px;
    margin: 0 auto;
}

.qm-mounting-option img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0;
}

.qm-mounting-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.qm-mounting-image-container {
    border: 1px solid var(--qm-border);
    padding: var(--qm-spacing-sm);
    transition: all 0.2s ease;
    background: var(--qm-white);
    cursor: pointer;
    position: relative;
}

.qm-mounting-image-container:hover {
    border-color: var(--qm-gray-500);
}

.qm-mounting-option input[type="radio"]:checked+.qm-mounting-image-container {
    border: 1px solid var(--qm-primary) !important;
    background: #f0f7f4;
}




/* Minimalist checkmark icon */
/* .qm-mounting-option input[type="radio"]:checked+.qm-mounting-image-container::after {
    content: '';
    position: absolute;
    top: 6px;
    right: 6px;
    width: 10px;
    height: 6px;
    border-left: 2px solid var(--qm-primary);
    border-bottom: 2px solid var(--qm-primary);
    transform: rotate(-45deg);
} */

/* === COLOR SELECTION (STEP 5) === */
.qm-color-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--qm-spacing-md);
    max-width: 100%;
    margin: 0 auto;
}

.qm-color-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.qm-color-swatch {
    width: 70px;
    height: 70px;
    margin: 0 auto 10px;
    border: 2px solid var(--qm-border);
    transition: all 0.2s ease;
    position: relative;
    cursor: pointer;
}

.qm-color-swatch:hover {
    border-color: var(--qm-gray-500);
}

.qm-color-option input[type="radio"]:checked+.qm-color-swatch {
    border-color: var(--qm-primary);
    box-shadow: 0 0 0 3px rgba(12, 105, 52, 0.15);
}

/* Checkbox in oberer rechter Ecke (wie Einbaulage) */
.qm-color-checkmark {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 20px;
    height: 20px;
    background: var(--qm-primary);
    border-radius: 50%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.qm-color-option input[type="radio"]:checked+.qm-color-swatch .qm-color-checkmark {
    opacity: 1;
}

.qm-color-info {
    text-align: center;
}

/* === SUMMARY (STEP 6) - REMOVED GREEN BACKGROUND === */
.qm-product-number-hero {
    background: var(--qm-gray-100);
    color: var(--qm-dark);
    padding: var(--qm-spacing-xl);
    text-align: center;
    border: 1px solid var(--qm-border);
    border-bottom: 0px;
}

.qm-product-number-label h2 {
    margin: 0 0 var(--qm-spacing-xs) 0;
    color: var(--qm-gray-300);
}

.qm-product-number-label p {
    margin: 0 0 var(--qm-spacing-lg) 0;
}

.qm-product-number-main {
    background: var(--qm-white);
    color: var(--qm-dark);
    font-family: 'Courier New', Monaco, monospace;
    font-size: 28px;
    font-weight: 900;
    padding: var(--qm-spacing-md) var(--qm-spacing-xl);
    margin: var(--qm-spacing-md) 0;
    letter-spacing: 3px;
    border: 1px solid var(--qm-border);
    cursor: default;
    position: relative;
    transition: all 0.3s ease;
}

/* Enhanced hover effects for product number segments */
.qm-product-number-main:hover {
    background: var(--qm-gray-50);
}

.qm-product-number-segment {
    display: inline-block;
    position: relative;
    padding: 4px 6px;
    margin: 0 2px;
    transition: all 0.3s ease;
    cursor: help;
}

.qm-product-number-segment:hover {
    background: var(--qm-secondary);
    color: var(--qm-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(253, 216, 53, 0.4);
}

.qm-product-number-segment::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--qm-dark);
    color: var(--qm-white);
    padding: var(--qm-spacing-xs) var(--qm-spacing-sm);
    font-size: 11px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.qm-product-number-segment:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(-4px);
}

.qm-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--qm-spacing-lg);
}

.qm-summary-card {
    background: var(--qm-white);
    border: 1px solid var(--qm-border);
    overflow: hidden;
    transition: all 0.2s ease;
}

.qm-summary-card:hover {
    border-color: #0C6934;
    box-shadow: none;
}

.qm-summary-header {
    background: var(--qm-gray-100);
    padding: 14px 16px;
    border-bottom: 1px solid var(--qm-border);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

/* Simplified icons for summary */
.qm-summary-icon {
    width: auto;
    height: auto;
    background: none;
    color: var(--qm-gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
    font-style: normal;
}

.qm-summary-title {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.qm-summary-title h4 {
    margin: 0;
    color: var(--qm-dark);
    font-size: 14px;
    font-weight: bold;
}

.qm-summary-edit {
    margin-left: auto;
}

.qm-summary-edit a {
    color: var(--qm-gray-600);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 4px 8px;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.qm-summary-edit a:hover {
    background: var(--qm-gray-200);
    color: var(--qm-dark);
}

.qm-summary-content {
    padding: 16px;
    min-height: 80px;
    background: var(--qm-white);
}

/* === CART SIDEBAR === */
.qm-cart-sidebar {
    background: var(--qm-gray-100);
    border: 1px solid var(--qm-border);
    padding: 0;
    height: fit-content;
    position: sticky;
    top: 0;
}

.qm-cart-header {
    background: var(--qm-gray-100);
    color: var(--qm-dark);
    padding: var(--qm-spacing-md);
    border-bottom: 1px solid var(--qm-border);
}

.qm-cart-count {
    font-size: 12px;
    margin-bottom: 4px;
}

.qm-cart-header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.qm-cart-actions {
    padding: var(--qm-spacing-md);
    border-bottom: 1px solid var(--qm-border);
    display: flex;
    flex-direction: column;
    gap: var(--qm-spacing-xs);
}

.qm-cart-items {
    padding: var(--qm-spacing-md);
    min-height: 200px;
    max-height: 500px;
    overflow-y: auto;
}

.qm-cart-empty {
    text-align: center;
    color: var(--qm-gray-500);
    font-size: 13px;
    padding: var(--qm-spacing-xl) var(--qm-spacing-md);
}

.qm-cart-item {
    background: var(--qm-white);
    border: 1px solid var(--qm-border);
    margin-bottom: var(--qm-spacing-sm);
    padding: var(--qm-spacing-sm);
    transition: all 0.2s ease;
    cursor: pointer;
}

.qm-cart-item:hover {
    border-color: var(--qm-primary);
}

.qm-cart-item.active {
    border-color: var(--qm-secondary);
    background: #fffef5;
}

.qm-cart-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--qm-spacing-xs);
}

.qm-cart-item-header h4 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--qm-dark);
}

.qm-product-number {
    font-family: 'Courier New', Monaco, monospace;
    font-weight: 700;
    color: var(--qm-primary);
    margin-bottom: 6px;
    font-size: 11px;
}

.qm-cart-summary span {
    color: var(--qm-gray-500);
    font-size: 11px;
}

.qm-cart-footer {
    padding: var(--qm-spacing-md);
    border-top: 1px solid var(--qm-border);
    background: var(--qm-white);
    display: flex;
    flex-direction: column;
    gap: var(--qm-spacing-xs);
}

/* === POWER CALCULATOR MODAL === */
.qm-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qm-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.qm-modal-content {
    position: relative;
    background: var(--qm-white);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    z-index: 2;
    width: 95%;
    max-width: 900px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    border-radius: 0;
}

.qm-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--qm-spacing-lg) var(--qm-spacing-xl);
    border-bottom: 1px solid var(--qm-border);
    background: var(--qm-gray-100);
    flex-shrink: 0;
}

.qm-modal-header h3 {
    margin: 0;
    color: var(--qm-dark);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.2px;
}

.qm-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: var(--qm-gray-500);
    padding: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.qm-modal-close:hover {
    color: var(--qm-dark);
}

.qm-modal-body {
    padding: var(--qm-spacing-xl);
    overflow-y: auto;
    flex: 1;
}

.qm-modal-footer {
    padding: var(--qm-spacing-md) var(--qm-spacing-xl);
    border-top: 1px solid var(--qm-border);
    background: var(--qm-gray-100);
    display: flex;
    justify-content: flex-end;
    gap: var(--qm-spacing-sm);
    flex-shrink: 0;
}

/* Calculator Grid Layout */
.qm-calc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--qm-spacing-lg);
    margin-bottom: var(--qm-spacing-xl);
}

.qm-calc-section {
    margin-bottom: var(--qm-spacing-xl);
}

.qm-calc-section h4 {
    margin-bottom: var(--qm-spacing-lg);
    color: var(--qm-dark);
    font-size: 14px;
    font-weight: 700;
    padding-bottom: var(--qm-spacing-sm);
    border-bottom: 2px solid var(--qm-border);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Calculator Result Styles */
.qm-calc-result {
    margin-top: var(--qm-spacing-xl);
    padding: var(--qm-spacing-lg);
    background: #f0f7f4;
    border-left: 4px solid var(--qm-primary);
}

.qm-calc-result h4 {
    margin: 0 0 var(--qm-spacing-lg) 0;
    color: var(--qm-primary);
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    padding: 0;
}

.qm-calc-result-section {
    margin-bottom: var(--qm-spacing-lg);
}

.qm-calc-result-section:last-child {
    margin-bottom: 0;
}

.qm-calc-result-label {
    font-size: 13px;
    color: var(--qm-gray-700);
    font-weight: 600;
    margin-bottom: var(--qm-spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.qm-calc-result-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--qm-spacing-lg);
}

.qm-calc-result-item {
    background: var(--qm-white);
    padding: var(--qm-spacing-md);
    border: 1px solid var(--qm-border);
}

.qm-calc-result-item-label {
    font-size: 11px;
    color: var(--qm-gray-500);
    margin-bottom: var(--qm-spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.qm-calc-result-item-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--qm-dark);
}

.qm-calc-result-item-value.qm-calc-recommended {
    color: var(--qm-primary);
}

/* Doppelantrieb-Info */
.qm-calc-dual-drive-notice {
    display: flex;
    align-items: center;
    gap: var(--qm-spacing-sm);
    margin-top: var(--qm-spacing-md);
    padding: var(--qm-spacing-sm) var(--qm-spacing-md);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 1px solid #f59e0b;
    border-radius: var(--qm-radius-sm);
}

.qm-calc-dual-drive-icon {
    font-size: 18px;
    line-height: 1;
}

.qm-calc-dual-drive-text {
    font-size: 13px;
    font-weight: 600;
    color: #92400e;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* === PRODUCT NUMBER LOADER === */
.qm-product-number-loader {
    margin-top: var(--qm-spacing-lg);
    padding-top: var(--qm-spacing-lg);
    border-top: 1px solid var(--qm-border);
}

.qm-product-number-loader label {
    display: block;
    margin-bottom: var(--qm-spacing-xs);
    font-weight: 600;
    color: var(--qm-dark);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.qm-product-number-loader input {
    width: 100%;
    padding: var(--qm-spacing-sm) 14px;
    border: 1px solid var(--qm-border);
    font-size: 15px;
    margin-bottom: var(--qm-spacing-sm);
    font-family: 'Courier New', Monaco, monospace;
    letter-spacing: 1px;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .qm-konfigurator-layout {
        grid-template-columns: 1fr 300px;
    }

    .qm-konfigurator-main {
        padding: 0 var(--qm-spacing-lg);
    }

    .qm-modal-content {
        max-width: 900px;
    }

    .qm-calc-result-values {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .qm-konfigurator-wrapper {
        border: none;
    }

    .qm-konfigurator-layout {
        grid-template-columns: 1fr;
    }

    .qm-konfigurator-main {
        padding: 0 var(--qm-spacing-md);
    }

    .qm-cart-sidebar {
        order: -1;
        position: relative;
        z-index: 1;
        overflow: hidden;
        max-height: 250px;
        border-left: none;
        border-bottom: 1px solid var(--qm-border);
    }

    .qm-motor-options-container,
    .qm-shaft-options-container,
    .qm-calc-grid {
        grid-template-columns: 1fr;
    }

    /* Stack images vertically on mobile */
    .qm-shaft-content-with-image {
        flex-direction: column;
    }

    .qm-shaft-image {
        width: 100%;
        max-width: 250px;
        margin: var(--qm-spacing-md) auto 0;
    }

    .qm-mounting-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .qm-stepper-navigation {
        flex-direction: column;
    }

    .qm-btn {
        width: 100%;
    }

    .qm-modal-content {
        width: 98%;
        max-width: none;
    }

    .qm-modal-body {
        padding: var(--qm-spacing-lg);
    }

    .qm-modal-header,
    .qm-modal-footer {
        padding: var(--qm-spacing-md) var(--qm-spacing-lg);
    }

    .qm-calc-result-values {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .qm-konfigurator-main {
        padding: 0 var(--qm-spacing-sm);
    }

    .qm-konfigurator-header h2 {
        font-size: 24px;
    }

    .qm-step-label {
        font-size: 9px;
    }

    .qm-step-number {
        width: 30px;
        height: 30px;
        font-size: 11px;
    }
}

/* === MOTORAUSWAHL: Toggle Switch (v1.5.5) === */

/* Handlüftung Toggle Container */
.qm-handlift-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 15px;
    padding: 12px 15px;
    background: var(--qm-gray-100);
    border-radius: 8px;
    border: 1px solid var(--qm-border);
}

/* Toggle Switch */
.qm-toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
    flex-shrink: 0;
}

.qm-toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.qm-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--qm-gray-300);
    transition: 0.3s;
    border-radius: 28px;
}

.qm-toggle-slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.qm-toggle-switch input:checked + .qm-toggle-slider {
    background-color: var(--qm-primary);
}

.qm-toggle-switch input:checked + .qm-toggle-slider:before {
    transform: translateX(24px);
}

.qm-toggle-switch input:focus + .qm-toggle-slider {
    box-shadow: 0 0 0 3px rgba(12, 105, 52, 0.2);
}

.qm-toggle-label {
    font-weight: 500;
    color: var(--qm-gray-700);
    font-size: 14px;
}

/* Animation für Handlüftung Toggle */
.qm-handlift-toggle {
    animation: slideDown 0.2s ease-out;
}

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