/**
 * MFM Haus-Konfigurator - Frontend CSS
 * 
 * @package     MFM_Haus_Konfigurator
 * @version     1.0.0.0
 * @since       2025-12-22
 *
 * @changelog
 * v1.0.0.0 - 2025-12-22 - Initial: Vollständiges Styling für 7-Step Wizard
 */

/* ==========================================================================
   CSS VARIABLEN
   ========================================================================== */

:root {
    /* Primärfarben */
    --mfm-primary: #1a5f7a;
    --mfm-primary-dark: #134a5f;
    --mfm-primary-light: #e8f4f8;
    
    /* Sekundärfarben */
    --mfm-secondary: #f59e0b;
    --mfm-secondary-dark: #d97706;
    
    /* Status-Farben */
    --mfm-success: #10b981;
    --mfm-success-light: #d1fae5;
    --mfm-danger: #ef4444;
    --mfm-danger-light: #fee2e2;
    --mfm-warning: #f59e0b;
    --mfm-warning-light: #fef3c7;
    
    /* Loxone */
    --mfm-loxone: #69be28;
    --mfm-loxone-dark: #5aa321;
    --mfm-loxone-light: #e8f8e0;
    
    /* Grautöne */
    --mfm-gray-50: #f9fafb;
    --mfm-gray-100: #f3f4f6;
    --mfm-gray-200: #e5e7eb;
    --mfm-gray-300: #d1d5db;
    --mfm-gray-400: #9ca3af;
    --mfm-gray-500: #6b7280;
    --mfm-gray-600: #4b5563;
    --mfm-gray-700: #374151;
    --mfm-gray-800: #1f2937;
    --mfm-gray-900: #111827;
    
    /* Abstände & Größen */
    --mfm-radius: 12px;
    --mfm-radius-sm: 8px;
    --mfm-radius-lg: 16px;
    --mfm-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --mfm-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    
    /* Transition */
    --mfm-transition: all 0.2s ease;
}

/* ==========================================================================
   RESET & GRUNDLAGEN
   ========================================================================== */

.mfm-hk-konfigurator * {
    box-sizing: border-box;
}

.mfm-hk-konfigurator {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--mfm-gray-900);
    line-height: 1.6;
    background: var(--mfm-gray-100);
    min-height: 100vh;
}

/* ==========================================================================
   HEADER
   ========================================================================== */

.mfm-hk-header {
    background: white;
    border-bottom: 1px solid var(--mfm-gray-200);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.mfm-hk-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mfm-hk-logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--mfm-primary);
}

.mfm-hk-logo span {
    color: var(--mfm-secondary);
}

.mfm-hk-header-title {
    color: var(--mfm-gray-500);
    font-size: 0.9rem;
}

/* ==========================================================================
   PROGRESS BAR
   ========================================================================== */

.mfm-hk-progress-container {
    background: white;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--mfm-gray-200);
}

.mfm-hk-progress-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.mfm-hk-progress-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.mfm-hk-progress-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--mfm-gray-200);
    z-index: 1;
}

.mfm-hk-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    cursor: pointer;
    transition: var(--mfm-transition);
}

.mfm-hk-step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--mfm-gray-200);
    color: var(--mfm-gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 0.5rem;
    transition: var(--mfm-transition);
}

.mfm-hk-progress-step.active .mfm-hk-step-number {
    background: var(--mfm-primary);
    color: white;
    box-shadow: 0 0 0 4px var(--mfm-primary-light);
}

.mfm-hk-progress-step.completed .mfm-hk-step-number {
    background: var(--mfm-success);
    color: white;
}

.mfm-hk-step-label {
    font-size: 0.75rem;
    color: var(--mfm-gray-500);
    text-align: center;
    font-weight: 500;
}

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

/* ==========================================================================
   MAIN CONTENT
   ========================================================================== */

.mfm-hk-main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.mfm-hk-container {
    position: relative;
}

/* ==========================================================================
   STEP CONTENT
   ========================================================================== */

.mfm-hk-step-content {
    display: none;
    animation: mfmFadeIn 0.3s ease;
}

.mfm-hk-step-content.active {
    display: block;
}

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

/* ==========================================================================
   CARDS
   ========================================================================== */

.mfm-hk-card {
    background: white;
    border-radius: var(--mfm-radius);
    box-shadow: var(--mfm-shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.mfm-hk-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--mfm-gray-900);
}

.mfm-hk-card-title .emoji {
    font-size: 1.5rem;
}

/* ==========================================================================
   INFO-ICONS & TOOLTIPS
   ========================================================================== */

.mfm-hk-info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: var(--mfm-gray-200);
    color: var(--mfm-gray-600);
    border-radius: 50%;
    font-size: 11px;
    cursor: help;
    font-style: normal;
    position: relative;
    transition: var(--mfm-transition);
    font-weight: 600;
}

.mfm-hk-info-icon:hover {
    background: var(--mfm-primary);
    color: white;
}

.mfm-hk-info-icon .mfm-hk-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--mfm-gray-900);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: var(--mfm-radius-sm);
    font-size: 0.8rem;
    width: 280px;
    text-align: left;
    z-index: 1000;
    font-weight: 400;
    line-height: 1.5;
    box-shadow: var(--mfm-shadow-lg);
}

.mfm-hk-info-icon .mfm-hk-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--mfm-gray-900);
}

.mfm-hk-info-icon:hover .mfm-hk-tooltip {
    display: block;
}

/* ==========================================================================
   FORMULARE
   ========================================================================== */

.mfm-hk-form-group {
    margin-bottom: 1.25rem;
}

.mfm-hk-form-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--mfm-gray-700);
}

.mfm-hk-form-label .required {
    color: var(--mfm-danger);
}

.mfm-hk-form-input,
.mfm-hk-form-select,
.mfm-hk-form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--mfm-gray-200);
    border-radius: var(--mfm-radius-sm);
    font-size: 1rem;
    transition: var(--mfm-transition);
    background: white;
}

.mfm-hk-form-input:focus,
.mfm-hk-form-select:focus,
.mfm-hk-form-textarea:focus {
    outline: none;
    border-color: var(--mfm-primary);
    box-shadow: 0 0 0 3px var(--mfm-primary-light);
}

.mfm-hk-form-input.error,
.mfm-hk-form-select.error {
    border-color: var(--mfm-danger);
}

.mfm-hk-form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

/* ==========================================================================
   SELECTION CARDS (Projekttyp, Gebäudetyp etc.)
   ========================================================================== */

.mfm-hk-selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.mfm-hk-selection-card {
    border: 2px solid var(--mfm-gray-200);
    border-radius: var(--mfm-radius);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--mfm-transition);
    position: relative;
    background: white;
}

.mfm-hk-selection-card:hover {
    border-color: var(--mfm-primary);
    background: var(--mfm-primary-light);
}

.mfm-hk-selection-card.selected {
    border-color: var(--mfm-primary);
    background: var(--mfm-primary-light);
    border-width: 3px;
}

.mfm-hk-selection-card .icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.mfm-hk-selection-card .title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--mfm-gray-900);
}

.mfm-hk-selection-card .desc {
    font-size: 0.875rem;
    color: var(--mfm-gray-500);
}

/* Loxone Highlight */
.mfm-hk-selection-card.loxone-highlight {
    border-color: var(--mfm-loxone);
    background: linear-gradient(135deg, var(--mfm-loxone-light) 0%, #e0f5d0 100%);
}

.mfm-hk-selection-card.loxone-highlight.selected {
    border-width: 3px;
    box-shadow: 0 0 0 3px rgba(105, 190, 40, 0.2);
}

/* ==========================================================================
   BADGES
   ========================================================================== */

.mfm-hk-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.mfm-hk-badge-primary {
    background: var(--mfm-primary-light);
    color: var(--mfm-primary);
}

.mfm-hk-badge-loxone {
    background: var(--mfm-loxone);
    color: white;
}

.mfm-hk-badge-success {
    background: var(--mfm-success-light);
    color: var(--mfm-success);
}

.mfm-hk-badge-warning {
    background: var(--mfm-warning-light);
    color: var(--mfm-warning);
}

.mfm-hk-empfohlen-badge {
    position: absolute;
    top: -10px;
    right: 10px;
    background: var(--mfm-loxone);
    color: white;
    font-size: 0.7rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
}

.mfm-hk-beliebt-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--mfm-secondary);
    color: white;
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}

/* ==========================================================================
   FEATURE-LISTE
   ========================================================================== */

.mfm-hk-feature-list {
    margin-top: 0.75rem;
    font-size: 0.8rem;
    text-align: left;
}

.mfm-hk-feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.2rem 0;
    color: var(--mfm-gray-600);
}

.mfm-hk-feature-item .check {
    color: var(--mfm-success);
}

.mfm-hk-feature-item .cross {
    color: var(--mfm-danger);
}

/* ==========================================================================
   GESCHOSS TABS
   ========================================================================== */

.mfm-hk-geschoss-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--mfm-gray-200);
    padding-bottom: 0.5rem;
    overflow-x: auto;
}

.mfm-hk-geschoss-tab {
    padding: 0.5rem 1rem;
    border-radius: var(--mfm-radius-sm) var(--mfm-radius-sm) 0 0;
    cursor: pointer;
    font-weight: 500;
    color: var(--mfm-gray-500);
    white-space: nowrap;
    transition: var(--mfm-transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mfm-hk-geschoss-tab:hover {
    background: var(--mfm-gray-100);
}

.mfm-hk-geschoss-tab.active {
    background: var(--mfm-primary);
    color: white;
}

.mfm-hk-geschoss-count {
    background: var(--mfm-gray-200);
    color: var(--mfm-gray-600);
    padding: 0.1rem 0.4rem;
    border-radius: 9999px;
    font-size: 0.7rem;
}

.mfm-hk-geschoss-tab.active .mfm-hk-geschoss-count {
    background: rgba(255,255,255,0.3);
    color: white;
}

/* ==========================================================================
   RAUM-LISTE
   ========================================================================== */

.mfm-hk-raum-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mfm-hk-raum-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--mfm-gray-50);
    border-radius: var(--mfm-radius-sm);
    border: 1px solid var(--mfm-gray-200);
    transition: var(--mfm-transition);
}

.mfm-hk-raum-item:hover {
    border-color: var(--mfm-primary);
    box-shadow: var(--mfm-shadow);
}

.mfm-hk-raum-drag {
    color: var(--mfm-gray-400);
    cursor: grab;
    font-size: 1.2rem;
}

.mfm-hk-raum-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    background: white;
    border-radius: var(--mfm-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--mfm-gray-200);
}

.mfm-hk-raum-info {
    flex: 1;
}

.mfm-hk-raum-name {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--mfm-gray-900);
}

.mfm-hk-raum-name input {
    border: none;
    background: transparent;
    font-weight: 600;
    font-size: inherit;
    padding: 0;
    width: 150px;
}

.mfm-hk-raum-name input:focus {
    outline: none;
    border-bottom: 2px solid var(--mfm-primary);
}

.mfm-hk-raum-type {
    font-size: 0.875rem;
    color: var(--mfm-gray-500);
}

.mfm-hk-raum-flaeche {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.mfm-hk-raum-flaeche input {
    width: 60px;
    padding: 0.5rem;
    border: 1px solid var(--mfm-gray-300);
    border-radius: 6px;
    text-align: center;
    font-weight: 500;
}

.mfm-hk-raum-delete {
    color: var(--mfm-danger);
    cursor: pointer;
    padding: 0.5rem;
    opacity: 0.5;
    transition: var(--mfm-transition);
    font-size: 1.2rem;
}

.mfm-hk-raum-delete:hover {
    opacity: 1;
}

/* Add Raum Button */
.mfm-hk-add-raum-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    border: 2px dashed var(--mfm-gray-300);
    border-radius: var(--mfm-radius-sm);
    color: var(--mfm-gray-500);
    cursor: pointer;
    transition: var(--mfm-transition);
    font-weight: 500;
}

.mfm-hk-add-raum-btn:hover {
    border-color: var(--mfm-primary);
    color: var(--mfm-primary);
    background: var(--mfm-primary-light);
}

/* ==========================================================================
   SMART HOME TOGGLE
   ========================================================================== */

.mfm-hk-toggle-options {
    display: flex;
    gap: 1rem;
}

.mfm-hk-toggle-option {
    flex: 1;
    padding: 1.5rem;
    border: 2px solid var(--mfm-gray-200);
    border-radius: var(--mfm-radius);
    cursor: pointer;
    position: relative;
    transition: var(--mfm-transition);
    background: white;
}

.mfm-hk-toggle-option:hover {
    border-color: var(--mfm-primary);
}

.mfm-hk-toggle-option.selected {
    border-color: var(--mfm-primary);
    background: var(--mfm-primary-light);
}

.mfm-hk-toggle-option.loxone-option {
    border-color: var(--mfm-loxone);
    background: linear-gradient(135deg, var(--mfm-loxone-light) 0%, #e0f5d0 100%);
    order: -1;
}

.mfm-hk-toggle-option.loxone-option.selected {
    border-width: 3px;
    box-shadow: 0 0 0 3px rgba(105, 190, 40, 0.2);
}

.mfm-hk-toggle-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.mfm-hk-toggle-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.mfm-hk-toggle-desc {
    font-size: 0.875rem;
    color: var(--mfm-gray-500);
}

/* ==========================================================================
   DIN STUFEN
   ========================================================================== */

.mfm-hk-din-stufen {
    display: flex;
    gap: 1rem;
}

.mfm-hk-din-stufe {
    flex: 1;
    padding: 1.5rem;
    border: 2px solid var(--mfm-gray-200);
    border-radius: var(--mfm-radius);
    cursor: pointer;
    text-align: center;
    transition: var(--mfm-transition);
    background: white;
}

.mfm-hk-din-stufe:hover {
    border-color: var(--mfm-primary);
}

.mfm-hk-din-stufe.selected {
    border-color: var(--mfm-primary);
    background: var(--mfm-primary-light);
}

.mfm-hk-din-stars {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.mfm-hk-din-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.mfm-hk-din-desc {
    font-size: 0.875rem;
    color: var(--mfm-gray-500);
}

/* ==========================================================================
   SCHALTERPROGRAMM
   ========================================================================== */

.mfm-hk-schalter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.mfm-hk-schalter-card {
    border: 2px solid var(--mfm-gray-200);
    border-radius: var(--mfm-radius);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    transition: var(--mfm-transition);
    background: white;
}

.mfm-hk-schalter-card:hover {
    border-color: var(--mfm-primary);
    transform: translateY(-2px);
    box-shadow: var(--mfm-shadow);
}

.mfm-hk-schalter-card.selected {
    border-color: var(--mfm-primary);
    border-width: 3px;
}

.mfm-hk-schalter-card.standard-choice {
    border-color: var(--mfm-success);
}

.mfm-hk-schalter-card.standard-choice::before {
    content: '✓ Standard';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: var(--mfm-success);
    color: white;
    font-size: 0.7rem;
    padding: 0.25rem;
    text-align: center;
    font-weight: 600;
    z-index: 1;
}

.mfm-hk-schalter-image {
    width: 100%;
    height: 120px;
    background: var(--mfm-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.mfm-hk-schalter-card.standard-choice .mfm-hk-schalter-image {
    margin-top: 20px;
    height: 100px;
}

.mfm-hk-schalter-info {
    padding: 0.75rem;
    text-align: center;
}

.mfm-hk-schalter-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.mfm-hk-schalter-desc {
    font-size: 0.7rem;
    color: var(--mfm-gray-500);
}

.mfm-hk-schalter-level {
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

.mfm-hk-level-downgrade { color: var(--mfm-gray-500); }
.mfm-hk-level-standard { color: var(--mfm-success); }
.mfm-hk-level-upgrade { color: var(--mfm-secondary); }
.mfm-hk-level-premium { color: var(--mfm-danger); }

/* Farbauswahl */
.mfm-hk-farb-grid {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.mfm-hk-farb-option {
    width: 50px;
    height: 50px;
    border-radius: var(--mfm-radius-sm);
    cursor: pointer;
    border: 3px solid var(--mfm-gray-200);
    position: relative;
    transition: var(--mfm-transition);
}

.mfm-hk-farb-option:hover {
    border-color: var(--mfm-primary);
}

.mfm-hk-farb-option.selected {
    border-color: var(--mfm-primary);
}

.mfm-hk-farb-option.selected::after {
    content: '✓';
    position: absolute;
    bottom: -6px;
    right: -6px;
    background: var(--mfm-primary);
    color: white;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

.mfm-hk-farb-label {
    text-align: center;
    font-size: 0.7rem;
    margin-top: 0.25rem;
    color: var(--mfm-gray-600);
}

/* ==========================================================================
   AUSSTATTUNG / KOMPONENTEN
   ========================================================================== */

.mfm-hk-raum-nav {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.mfm-hk-raum-nav-item {
    padding: 0.5rem 1rem;
    background: var(--mfm-gray-100);
    border-radius: var(--mfm-radius-sm);
    white-space: nowrap;
    cursor: pointer;
    transition: var(--mfm-transition);
    font-weight: 500;
    font-size: 0.9rem;
}

.mfm-hk-raum-nav-item:hover {
    background: var(--mfm-gray-200);
}

.mfm-hk-raum-nav-item.active {
    background: var(--mfm-primary);
    color: white;
}

.mfm-hk-ausstattung-header {
    background: var(--mfm-primary-light);
    padding: 1rem;
    border-radius: var(--mfm-radius-sm);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mfm-hk-ausstattung-kategorie {
    margin-bottom: 1.5rem;
}

.mfm-hk-kategorie-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--mfm-gray-700);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--mfm-gray-200);
}

.mfm-hk-komponente-row {
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--mfm-gray-100);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mfm-hk-komponente-info {
    flex: 1;
    min-width: 200px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mfm-hk-komponente-icon {
    font-size: 1.25rem;
}

.mfm-hk-komponente-name {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.mfm-hk-komponente-variante {
    width: 180px;
}

.mfm-hk-komponente-variante select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--mfm-gray-300);
    border-radius: 6px;
}

.mfm-hk-komponente-anzahl {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mfm-hk-anzahl-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--mfm-gray-300);
    border-radius: 6px;
    background: white;
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--mfm-transition);
}

.mfm-hk-anzahl-btn:hover {
    background: var(--mfm-primary);
    color: white;
    border-color: var(--mfm-primary);
}

.mfm-hk-anzahl-value {
    width: 40px;
    text-align: center;
    font-weight: 600;
    font-size: 1.125rem;
}

/* DP Toggle */
.mfm-hk-dp-toggle {
    display: flex;
    gap: 0.25rem;
    margin-left: 0.5rem;
}

.mfm-hk-dp-option {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--mfm-gray-300);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: var(--mfm-transition);
}

.mfm-hk-dp-option:hover {
    border-color: var(--mfm-primary);
}

.mfm-hk-dp-option.selected {
    background: var(--mfm-primary);
    color: white;
    border-color: var(--mfm-primary);
}

/* ==========================================================================
   ZUSAMMENFASSUNG
   ========================================================================== */

.mfm-hk-summary-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.mfm-hk-stat-card {
    background: var(--mfm-primary-light);
    padding: 1.5rem;
    border-radius: var(--mfm-radius);
    text-align: center;
}

.mfm-hk-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--mfm-primary);
}

.mfm-hk-stat-label {
    font-size: 0.875rem;
    color: var(--mfm-gray-600);
}

.mfm-hk-summary-section {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--mfm-gray-200);
}

.mfm-hk-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mfm-hk-summary-label {
    color: var(--mfm-gray-600);
}

.mfm-hk-summary-value {
    font-weight: 500;
}

/* ==========================================================================
   WARTUNG
   ========================================================================== */

.mfm-hk-wartung-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.mfm-hk-wartung-card {
    border: 2px solid var(--mfm-gray-200);
    border-radius: var(--mfm-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--mfm-transition);
    background: white;
}

.mfm-hk-wartung-card:hover {
    border-color: var(--mfm-primary);
}

.mfm-hk-wartung-card.selected {
    border-color: var(--mfm-primary);
    border-width: 3px;
}

.mfm-hk-wartung-card.empfohlen {
    border-color: var(--mfm-success);
}

.mfm-hk-wartung-header {
    background: var(--mfm-gray-100);
    padding: 1rem;
    text-align: center;
}

.mfm-hk-wartung-card.empfohlen .mfm-hk-wartung-header {
    background: var(--mfm-success);
    color: white;
}

.mfm-hk-wartung-name {
    font-weight: 600;
    font-size: 1rem;
}

.mfm-hk-wartung-body {
    padding: 1rem;
}

.mfm-hk-wartung-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0;
    font-size: 0.8rem;
}

.mfm-hk-wartung-feature.included {
    color: var(--mfm-success);
}

.mfm-hk-wartung-feature.excluded {
    color: var(--mfm-gray-400);
    text-decoration: line-through;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.mfm-hk-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--mfm-radius-sm);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--mfm-transition);
}

.mfm-hk-btn-primary {
    background: var(--mfm-primary);
    color: white;
}

.mfm-hk-btn-primary:hover {
    background: var(--mfm-primary-dark);
}

.mfm-hk-btn-secondary {
    background: var(--mfm-gray-200);
    color: var(--mfm-gray-700);
}

.mfm-hk-btn-secondary:hover {
    background: var(--mfm-gray-300);
}

.mfm-hk-btn-loxone {
    background: var(--mfm-loxone);
    color: white;
}

.mfm-hk-btn-loxone:hover {
    background: var(--mfm-loxone-dark);
}

.mfm-hk-btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

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

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.mfm-hk-step-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--mfm-gray-200);
}

/* ==========================================================================
   HINWEISE & ALERTS
   ========================================================================== */

.mfm-hk-hinweis {
    background: var(--mfm-warning-light);
    border-left: 4px solid var(--mfm-secondary);
    padding: 1rem;
    border-radius: 0 var(--mfm-radius-sm) var(--mfm-radius-sm) 0;
    margin: 1rem 0;
}

.mfm-hk-hinweis-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.mfm-hk-info-box {
    background: var(--mfm-loxone-light);
    border: 1px solid var(--mfm-loxone);
    border-radius: var(--mfm-radius-sm);
    padding: 1rem;
    margin: 1rem 0;
}

.mfm-hk-loss-aversion {
    background: var(--mfm-danger-light);
    border-left: 4px solid var(--mfm-danger);
    padding: 1rem;
    border-radius: 0 var(--mfm-radius-sm) var(--mfm-radius-sm) 0;
    margin-top: 1rem;
}

/* ==========================================================================
   MODAL
   ========================================================================== */

.mfm-hk-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--mfm-transition);
}

.mfm-hk-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mfm-hk-modal {
    background: white;
    border-radius: var(--mfm-radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--mfm-transition);
}

.mfm-hk-modal-overlay.active .mfm-hk-modal {
    transform: scale(1);
}

.mfm-hk-modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--mfm-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mfm-hk-modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.mfm-hk-modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--mfm-gray-100);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--mfm-transition);
}

.mfm-hk-modal-close:hover {
    background: var(--mfm-gray-200);
}

.mfm-hk-modal-body {
    padding: 1.5rem;
}

/* ==========================================================================
   EMPTY STATE
   ========================================================================== */

.mfm-hk-empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--mfm-gray-500);
}

.mfm-hk-empty-state .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* ==========================================================================
   LOADING
   ========================================================================== */

.mfm-hk-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.mfm-hk-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--mfm-gray-200);
    border-top-color: var(--mfm-primary);
    border-radius: 50%;
    animation: mfmSpin 0.8s linear infinite;
}

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

/* ==========================================================================
   FOOTER
   ========================================================================== */

.mfm-hk-footer {
    background: var(--mfm-gray-900);
    color: white;
    padding: 2rem;
    margin-top: 3rem;
    text-align: center;
}

.mfm-hk-footer a {
    color: var(--mfm-secondary);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
    .mfm-hk-header {
        padding: 1rem;
    }
    
    .mfm-hk-main {
        padding: 0 1rem;
    }
    
    .mfm-hk-form-row,
    .mfm-hk-toggle-options,
    .mfm-hk-din-stufen,
    .mfm-hk-wartung-grid {
        grid-template-columns: 1fr;
        flex-direction: column;
    }
    
    .mfm-hk-summary-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mfm-hk-progress-step .mfm-hk-step-label {
        display: none;
    }
    
    .mfm-hk-step-number {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }
    
    .mfm-hk-komponente-row {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .mfm-hk-komponente-variante {
        width: 100%;
    }
    
    .mfm-hk-step-navigation {
        flex-direction: column;
        gap: 1rem;
    }
    
    .mfm-hk-step-navigation .mfm-hk-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .mfm-hk-card {
        padding: 1rem;
    }
    
    .mfm-hk-selection-grid {
        grid-template-columns: 1fr;
    }
    
    .mfm-hk-schalter-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mfm-hk-summary-stats {
        grid-template-columns: 1fr;
    }
}

/* ===========================================
   Utility Classes
   =========================================== */

.mfm-hk-hidden {
    display: none !important;
}

.mfm-hk-invisible {
    visibility: hidden;
}

.mfm-hk-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}