/* ==============================================
   HAUPTLAYOUT & CONTAINER
   ============================================== */

.angebots-tool-main {
    padding: var(--spacing-4xl) 0;
    min-height: calc(100vh - 200px);
}

.tool-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-3xl);
    align-items: start;
    max-width: 1400px;
    margin: 0 auto;
}

/* ==============================================
   PROGRESS STEPS
   ============================================== */

.progress-container {
    margin-bottom: var(--spacing-3xl);
    background: white;
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.progress-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 2;
    transition: all var(--transition-base);
}

.step-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-light);
    border: 3px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-secondary-dark);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.step-circle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-slow);
    border-radius: 50%;
}

.progress-step.active .step-circle {
    border-color: var(--primary-green);
    color: var(--text-dark);
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 100, 0, 0.3);
}

.progress-step.active .step-circle::before {
    opacity: 1;
    transform: scale(1);
}

.progress-step.completed .step-circle {
    border-color: var(--primary-green);
    background: var(--accent-green);
    color: var(--text-dark);
}

.progress-step.completed .step-circle::after {
    content: '✓';
    position: relative;
    z-index: 2;
    font-weight: bold;
}

.step-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary-dark);
    text-align: center;
    transition: color var(--transition-base);
}

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

.progress-line {
    height: 3px;
    background: var(--border-light);
    flex: 1;
    margin: 0 var(--spacing-lg);
    border-radius: 3px;
    position: relative;
    overflow: hidden;
}

.progress-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-green));
    transition: width 0.8s ease;
    border-radius: 3px;
}

.progress-step.active ~ .progress-line::after,
.progress-step.completed ~ .progress-line::after {
    width: 100%;
}

/* ==============================================
   FORM CONTAINER & STEPS
   ============================================== */

.form-section {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
    position: relative;
}

.form-container {
    position: relative;
    min-height: 600px;
}

.form-step {
    display: none;
    padding: var(--spacing-3xl);
    animation: slideInRight 0.5s ease-out;
}

.form-step.active {
    display: block;
}

.form-step.prev {
    animation: slideInLeft 0.5s ease-out;
}

.step-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-light);
    position: relative;
}

.step-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--primary-green);
    border-radius: 2px;
}

.step-header h2 {
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    font-size: clamp(1.5rem, 3vw, 2rem);
}

.step-header p {
    color: var(--text-secondary-dark);
    font-size: 1.1rem;
    margin: 0;
}

/* ==============================================
   KATEGORIEAUSWAHL
   ============================================== */

.category-selection {
    margin-bottom: var(--spacing-2xl);
}

.category-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.category-card {
    border: 3px solid var(--border-light);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.2));
    transition: all var(--transition-base);
    z-index: 1;
}

.category-card:hover::before {
    background: linear-gradient(135deg, rgba(0, 100, 0, 0.5), rgba(0, 100, 0, 0.3));
}

.category-card.selected::before {
    background: linear-gradient(135deg, rgba(0, 100, 0, 0.7), rgba(0, 100, 0, 0.4));
}

.category-overlay {
    position: relative;
    z-index: 2;
    padding: var(--spacing-xl);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.6) 50%, transparent 100%);
    color: white;
    text-align: center;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-green);
}

.category-card.selected {
    border-color: var(--primary-green);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 100, 0, 0.4);
}

.category-card.selected .category-overlay {
    background: linear-gradient(to top, rgba(0, 100, 0, 0.8) 0%, rgba(0, 100, 0, 0.4) 50%, transparent 100%);
}

.category-card input[type="radio"] {
    display: none;
}

.category-overlay h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
    font-size: 1.4rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    line-height: 1.2;
}

.category-overlay p {
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
    line-height: 1.4;
    font-size: 0.95rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

/* Responsive Anpassungen */
@media (max-width: 768px) {
    .category-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        max-width: 500px;
    }

    .category-card {
        min-height: 180px;
    }

    .category-overlay {
        padding: var(--spacing-lg);
    }

    .category-overlay h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .category-cards {
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
    }

    .category-card {
        min-height: 160px;
    }

    .category-overlay {
        padding: var(--spacing-md);
    }

    .category-overlay h3 {
        font-size: 1.2rem;
        margin-bottom: var(--spacing-xs);
    }

    .category-overlay p {
        font-size: 0.9rem;
    }
}

/* Dark Mode Support */
body.dark-mode .category-card {
    border-color: var(--border-dark);
}

body.dark-mode .category-card:hover,
body.dark-mode .category-card.selected {
    border-color: var(--primary-green);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .category-card {
        transition: none;
    }

    .category-card:hover {
        transform: none;
    }
}

.category-card:focus-within {
    outline: 3px solid var(--primary-green);
    outline-offset: 2px;
}

/* ==============================================
   FORM GRID & ELEMENTS
   ============================================== */

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    background: white;
    transition: all var(--transition-base);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(0, 100, 0, 0.1);
    transform: translateY(-2px);
}

.form-group input:valid:not(:placeholder-shown) {
    border-color: var(--accent-green);
}

.form-group.error input,
.form-group.error select {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.field-error {
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
    display: block;
}

/* ==============================================
   MATERIAL SELECTION
   ============================================== */

.material-selection {
    margin-bottom: var(--spacing-xl);
}

.material-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.material-card {
    border: 3px solid var(--border-light);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.material-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.2));
    transition: all var(--transition-base);
    z-index: 1;
}

.material-card:hover::before {
    background: linear-gradient(135deg, rgba(0, 100, 0, 0.5), rgba(0, 100, 0, 0.3));
}

.material-card.selected::before {
    background: linear-gradient(135deg, rgba(0, 100, 0, 0.7), rgba(0, 100, 0, 0.4));
}

.material-overlay {
    position: relative;
    z-index: 2;
    padding: var(--spacing-xl);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.6) 50%, transparent 100%);
    color: white;
    text-align: center;
}

.material-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-green);
}

.material-card.selected {
    border-color: var(--primary-green);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 100, 0, 0.4);
}

.material-card.selected .material-overlay {
    background: linear-gradient(to top, rgba(0, 100, 0, 0.8) 0%, rgba(0, 100, 0, 0.4) 50%, transparent 100%);
}

.material-card input[type="radio"] {
    display: none;
}

.material-overlay h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    line-height: 1.2;
}

.material-overlay p {
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
    line-height: 1.4;
    font-size: 0.9rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

.price-indicator {
    color: var(--secondary-orange);
    font-weight: 700;
    font-size: 0.95rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    display: block;
    margin-top: var(--spacing-xs);
}

/* Entferne die alten .material-image und .material-icon Styles */

/* Responsive Anpassungen */
@media (max-width: 768px) {
    .material-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        max-width: 500px;
    }

    .material-card {
        min-height: 160px;
    }

    .material-overlay {
        padding: var(--spacing-lg);
    }

    .material-overlay h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .material-cards {
        gap: var(--spacing-sm);
    }

    .material-card {
        min-height: 140px;
    }

    .material-overlay {
        padding: var(--spacing-md);
    }

    .material-overlay h3 {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-xs);
    }

    .material-overlay p {
        font-size: 0.85rem;
    }

    .price-indicator {
        font-size: 0.9rem;
    }
}

/* Dark Mode Support */
body.dark-mode .material-card {
    border-color: var(--border-dark);
}

body.dark-mode .material-card:hover,
body.dark-mode .material-card.selected {
    border-color: var(--primary-green);
}

/* Accessibility */
.material-card:focus-within {
    outline: 3px solid var(--primary-green);
    outline-offset: 2px;
}

/* ==============================================
   ZUSATZLEISTUNGEN
   ============================================== */

.zusatz-leistungen {
    margin-bottom: var(--spacing-2xl);
}

.zusatz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.zusatz-option {
    cursor: pointer;
    display: block;
}

.zusatz-option input[type="checkbox"] {
    display: none;
}

.zusatz-card {
    background: var(--bg-light);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.zusatz-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-green);
    transform: scaleX(0);
    transition: transform var(--transition-base);
    transform-origin: left;
}

.zusatz-option:hover .zusatz-card {
    border-color: var(--primary-green);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.zusatz-option input[type="checkbox"]:checked + .zusatz-card {
    border-color: var(--primary-green);
    background: linear-gradient(135deg, rgba(0, 100, 0, 0.05), rgba(56, 161, 105, 0.05));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.zusatz-option input[type="checkbox"]:checked + .zusatz-card::before {
    transform: scaleX(1);
}

.zusatz-icon {
    margin-bottom: var(--spacing-sm);
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary-dark);
    transition: all var(--transition-base);
}

.zusatz-option:hover .zusatz-icon,
.zusatz-option input[type="checkbox"]:checked + .zusatz-card .zusatz-icon {
    color: var(--primary-green);
    transform: scale(1.1);
}

.zusatz-card h4 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.3;
}

.zusatz-price {
    color: var(--secondary-orange);
    font-weight: 600;
    font-size: 0.85rem;
    margin: 0;
}

/* Zusatzcontainer */
.zusatz-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
}

.zusatz-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: var(--bg-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--primary-green);
    margin-top: var(--spacing-sm);
    animation: fadeIn 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 100, 0, 0.08);
}

.zusatz-input-wrapper > div {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.zusatz-qty-input {
    flex: 1;
    max-width: 300px;
    padding: 14px 20px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    text-align: center;
    font-family: inherit;
    font-size: 1rem !important;
    font-weight: 700 !important;
    color: var(--text-dark) !important;
    background: var(--bg-light) !important;
    transition: all var(--transition-base);
    /* Entferne die Spinner-Buttons */
    -webkit-appearance: none;
    -moz-appearance: textfield;
}

/* Entferne Spinner für Chrome, Safari, Edge, Opera */
.zusatz-qty-input::-webkit-outer-spin-button,
.zusatz-qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Firefox */
.zusatz-qty-input[type="number"] {
    -moz-appearance: textfield;
}

.zusatz-qty-input:focus {
    outline: none;
    border-color: var(--primary-green);
    background: white;
    box-shadow: 0 0 0 3px rgba(0, 100, 0, 0.15);
}

.zusatz-qty-input::placeholder {
    color: var(--text-secondary-light);
    font-weight: 400;
    font-size: 0.95rem;
}

.qty-label {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 600;
    white-space: nowrap;
    min-width: fit-content;
}

.qty-unit-row {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.qty-unit {
    font-size: 0.9rem;
    color: var(--text-secondary-light);
    font-weight: 500;
    font-style: italic;
    padding-left: 4px;
}

.qty-info-btn {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--primary-green);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-base);
    position: relative;
}

.qty-info-btn:hover {
    background: rgba(0, 100, 0, 0.1);
    transform: scale(1.1);
}

.qty-info-btn:active {
    transform: scale(0.95);
}

.qty-info-tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 0;
    background: var(--bg-dark);
    color: #ffffff;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-style: normal;
    line-height: 1.4;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    min-width: 250px;
    max-width: 350px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: all 0.2s ease;
    pointer-events: none;
}

.qty-info-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 20px;
    border: 6px solid transparent;
    border-top-color: var(--bg-dark);
}

.qty-info-tooltip.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==============================================
   UPLOAD SECTION
   ============================================== */

.upload-section {
    background: var(--bg-light);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-2xl) 0;
    border: 2px dashed var(--border-light);
}

.upload-section h3 {
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.upload-section > p {
    text-align: center;
    color: var(--text-secondary-dark);
    margin-bottom: var(--spacing-xl);
}

.upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.upload-item {
    position: relative;
}

.upload-item input[type="file"] {
    display: none;
}

.upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: white;
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    min-height: 120px;
}

.upload-label:hover {
    border-color: var(--primary-green);
    background: rgba(0, 100, 0, 0.02);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.upload-icon {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary-dark);
    transition: color var(--transition-base);
}

.upload-label:hover .upload-icon {
    color: var(--primary-green);
}

.upload-label span {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.upload-label small {
    color: var(--text-secondary-dark);
    font-size: 0.8rem;
}

.upload-item.has-file .upload-label {
    border-color: var(--accent-green);
    background: rgba(56, 161, 105, 0.1);
}

.upload-item.has-file .upload-icon {
    color: var(--accent-green);
}

/* ==============================================
   CONSENT SECTION
   ============================================== */

.consent-section {
    background: var(--bg-light);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-2xl) 0;
    border: 1px solid var(--border-light);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    cursor: pointer;
    line-height: 1.5;
    font-size: 0.95rem;
}

.checkbox-label:last-child {
    margin-bottom: 0;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #cbd5e0;
    border-radius: var(--radius-sm);
    background: #f7fafc;
    flex-shrink: 0;
    position: relative;
    transition: all var(--transition-base);
    margin-top: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-green);
    border-color: var(--primary-green);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label:hover .checkmark {
    border-color: var(--primary-green);
}

.checkbox-text {
    flex: 1;
    word-wrap: break-word;
}

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

.step-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-light);
    margin-top: var(--spacing-2xl);
}

.step-navigation .btn {
    min-width: 120px;
    position: relative;
    overflow: hidden;
}

.step-navigation .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.step-navigation .btn:hover::before {
    left: 100%;
}

.step-navigation .btn:only-child {
    margin: 0 auto;
}

/* ==============================================
   LIVE PREVIEW SECTION
   ============================================== */

.preview-section {
    position: relative;
}

.sticky-preview {
    position: sticky;
    top: 120px;
}

.preview-container {
    background: var(--text-dark-btn);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: all var(--transition-base);
}

.preview-container:hover {
    box-shadow: var(--shadow-xl);
}

.preview-header {
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    color: var(--text-dark-btn);
    padding: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.preview-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(50%); }
}

.preview-header h3 {
    color: var(--text-dark-btn);
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.preview-content {
    padding: var(--spacing-xl);
    background: white;
}

.project-summary {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-base);
}

.summary-item:hover {
    background: var(--bg-light);
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
    border-radius: var(--radius-md);
}

.summary-item .label {
    color: var(--text-secondary-dark);
    font-weight: 500;
}

.summary-item .value {
    color: var(--text-dark);
    font-weight: 600;
}

/* Cost Breakdown */
.cost-breakdown {
    margin-bottom: var(--spacing-xl);
}

.cost-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-base);
    border-radius: var(--radius-md);
}

.cost-item:hover {
    background: var(--bg-light);
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
}

.cost-label {
    color: var(--text-secondary-dark);
    font-weight: 500;
}

.cost-value {
    color: var(--text-dark);
    font-weight: 600;
    font-family: 'Inter', monospace;
}

.cost-subtotal,
.cost-tax,
.cost-total {
    border-top: 1px solid var(--border-light);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    font-weight: 600;
}

.cost-total {
    background: linear-gradient(135deg, var(--bg-light), rgba(0, 100, 0, 0.05));
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 2px solid var(--primary-green);
    margin-top: var(--spacing-md);
}

.cost-total .cost-label,
.cost-total .cost-value {
    color: var(--primary-green);
    font-size: 1.2rem;
    font-weight: 700;
}

.additional-services {
    background: rgba(217, 119, 6, 0.05);
    margin: var(--spacing-xs) 0;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--secondary-orange);
}

.additional-services .cost-label {
    color: var(--secondary-orange);
}

/* Gewinnmarge Darstellung */
.cost-margin {
    background: linear-gradient(135deg, rgba(0, 100, 0, 0.05), rgba(56, 161, 105, 0.05));
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary-green);
    font-size: 0.9rem;
    margin: var(--spacing-xs) 0;
}

.cost-margin .cost-label {
    color: var(--primary-green);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Info Tooltip */
.info-tooltip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background: var(--primary-green);
    color: white;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: bold;
    cursor: help;
    transition: all var(--transition-base);
}

.info-tooltip:hover {
    background: var(--accent-green);
    transform: scale(1.15);
}

/* Zwischensumme mit Marge */
.cost-subtotal-with-margin {
    border: 2px solid var(--primary-green);
    margin-top: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    font-weight: 600;
    background: linear-gradient(135deg, var(--bg-light), rgba(0, 100, 0, 0.03));
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.cost-subtotal-with-margin .cost-label,
.cost-subtotal-with-margin .cost-value {
    color: var(--primary-green);
    font-size: 1.05rem;
}

/* Dark Mode */
body.dark-mode .cost-margin {
    background: linear-gradient(135deg, rgba(0, 100, 0, 0.1), rgba(56, 161, 105, 0.08));
    border-left-color: var(--accent-green);
}

body.dark-mode .cost-subtotal-with-margin {
    background: linear-gradient(135deg, var(--bg-dark), rgba(0, 100, 0, 0.08));
    border-bottom-color: var(--accent-green);
}

/* Preview Actions */
.preview-actions {
    margin: var(--spacing-xl) 0;
    text-align: center;
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.preview-actions .btn {
    flex: 1;
    max-width: 180px;
}

/* PDF Viewer */
.pdf-viewer {
    margin-top: var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    background: var(--bg-light);
}

.pdf-viewer-header {
    display: flex;/*
 * ANGEBOTS-TOOL CSS - BAU FRANKE (VERBESSERT)
 * Spezielle Styles für das automatisierte Angebots-Tool
 * Version 2.0 - Mit Kategorien, verbesserter UX und ohne Emojis
 */

    /* ==============================================
       HAUPTLAYOUT & CONTAINER
       ============================================== */

    .angebots-tool-main {
        padding: var(--spacing-4xl) 0;
        min-height: calc(100vh - 200px);
    }

    .tool-layout {
        display: grid;
        grid-template-columns: 1fr 400px;
        gap: var(--spacing-3xl);
        align-items: start;
        max-width: 1400px;
        margin: 0 auto;
    }

    /* ==============================================
       PROGRESS STEPS
       ============================================== */

    .progress-container {
        margin-bottom: var(--spacing-3xl);
        background: white;
        padding: var(--spacing-xl) var(--spacing-2xl);
        border-radius: var(--radius-xl);
        box-shadow: var(--shadow-md);
        border: 1px solid var(--border-light);
    }

    .progress-steps {
        display: flex;
        align-items: center;
        justify-content: center;
        max-width: 800px;
        margin: 0 auto;
        position: relative;
    }

    .progress-step {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
        position: relative;
        z-index: 2;
        transition: all var(--transition-base);
    }

    .step-circle {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background: var(--bg-light);
        border: 3px solid var(--border-light);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        color: var(--text-secondary-dark);
        transition: all var(--transition-base);
        position: relative;
        overflow: hidden;
    }

    .step-circle::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0;
        transform: scale(0);
        transition: all var(--transition-slow);
        border-radius: 50%;
    }

    .progress-step.active .step-circle {
        border-color: var(--primary-green);
        color: var(--text-dark);
        transform: scale(1.1);
        box-shadow: 0 4px 15px rgba(0, 100, 0, 0.3);
    }

    .progress-step.active .step-circle::before {
        opacity: 1;
        transform: scale(1);
    }

    .progress-step.completed .step-circle {
        border-color: var(--primary-green);
        background: var(--accent-green);
        color: var(--text-dark);
    }

    .progress-step.completed .step-circle::after {
        content: '✓';
        position: relative;
        z-index: 2;
        font-weight: bold;
    }

    .step-label {
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-secondary-dark);
        text-align: center;
        transition: color var(--transition-base);
    }

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

    .progress-line {
        height: 3px;
        background: var(--border-light);
        flex: 1;
        margin: 0 var(--spacing-lg);
        border-radius: 3px;
        position: relative;
        overflow: hidden;
    }

    .progress-line::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        height: 100%;
        width: 0;
        background: linear-gradient(90deg, var(--primary-green), var(--accent-green));
        transition: width 0.8s ease;
        border-radius: 3px;
    }

    .progress-step.active ~ .progress-line::after,
    .progress-step.completed ~ .progress-line::after {
        width: 100%;
    }

    /* ==============================================
       FORM CONTAINER & STEPS
       ============================================== */

    .form-section {
        background: white;
        border-radius: var(--radius-xl);
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--border-light);
        overflow: hidden;
        position: relative;
    }

    .form-container {
        position: relative;
        min-height: 600px;
    }

    .form-step {
        display: none;
        padding: var(--spacing-3xl);
        animation: slideInRight 0.5s ease-out;
    }

    .form-step.active {
        display: block;
    }

    .form-step.prev {
        animation: slideInLeft 0.5s ease-out;
    }

    .step-header {
        text-align: center;
        margin-bottom: var(--spacing-3xl);
        padding-bottom: var(--spacing-lg);
        border-bottom: 2px solid var(--border-light);
        position: relative;
    }

    .step-header::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 50%;
        transform: translateX(-50%);
        width: 60px;
        height: 2px;
        background: var(--primary-green);
        border-radius: 2px;
    }

    .step-header h2 {
        color: var(--primary-green);
        margin-bottom: var(--spacing-md);
        font-size: clamp(1.5rem, 3vw, 2rem);
    }

    .step-header p {
        color: var(--text-secondary-dark);
        font-size: 1.1rem;
        margin: 0;
    }

    /* ==============================================
       KATEGORIEAUSWAHL
       ============================================== */

    .category-selection {
        margin-bottom: var(--spacing-2xl);
    }

    .category-cards {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
        margin-top: var(--spacing-lg);
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    .category-card {
        border: 3px solid var(--border-light);
        border-radius: var(--radius-xl);
        cursor: pointer;
        transition: all var(--transition-base);
        position: relative;
        overflow: hidden;
        min-height: 200px;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }

    .category-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.2));
        transition: all var(--transition-base);
        z-index: 1;
    }

    .category-card:hover::before {
        background: linear-gradient(135deg, rgba(0, 100, 0, 0.5), rgba(0, 100, 0, 0.3));
    }

    .category-card.selected::before {
        background: linear-gradient(135deg, rgba(0, 100, 0, 0.7), rgba(0, 100, 0, 0.4));
    }

    .category-overlay {
        position: relative;
        z-index: 2;
        padding: var(--spacing-xl);
        background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.6) 50%, transparent 100%);
        color: white;
        text-align: center;
    }

    .category-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
        border-color: var(--primary-green);
    }

    .category-card.selected {
        border-color: var(--primary-green);
        transform: translateY(-3px);
        box-shadow: 0 8px 30px rgba(0, 100, 0, 0.4);
    }

    .category-card.selected .category-overlay {
        background: linear-gradient(to top, rgba(0, 100, 0, 0.8) 0%, rgba(0, 100, 0, 0.4) 50%, transparent 100%);
    }

    .category-card input[type="radio"] {
        display: none;
    }

    .category-overlay h3 {
        color: white;
        margin-bottom: var(--spacing-sm);
        font-size: 1.4rem;
        font-weight: 700;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
        line-height: 1.2;
    }

    .category-overlay p {
        color: rgba(255, 255, 255, 0.95);
        margin: 0;
        line-height: 1.4;
        font-size: 0.95rem;
        text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    }

    /* Responsive Anpassungen */
    @media (max-width: 768px) {
        .category-cards {
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
            max-width: 500px;
        }

        .category-card {
            min-height: 180px;
        }

        .category-overlay {
            padding: var(--spacing-lg);
        }

        .category-overlay h3 {
            font-size: 1.3rem;
        }
    }

    @media (max-width: 480px) {
        .category-cards {
            gap: var(--spacing-sm);
            margin-top: var(--spacing-md);
        }

        .category-card {
            min-height: 160px;
        }

        .category-overlay {
            padding: var(--spacing-md);
        }

        .category-overlay h3 {
            font-size: 1.2rem;
            margin-bottom: var(--spacing-xs);
        }

        .category-overlay p {
            font-size: 0.9rem;
        }
    }

    /* Dark Mode Support */
    body.dark-mode .category-card {
        border-color: var(--border-dark);
    }

    body.dark-mode .category-card:hover,
    body.dark-mode .category-card.selected {
        border-color: var(--primary-green);
    }

    /* Accessibility */
    @media (prefers-reduced-motion: reduce) {
        .category-card {
            transition: none;
        }

        .category-card:hover {
            transform: none;
        }
    }

    .category-card:focus-within {
        outline: 3px solid var(--primary-green);
        outline-offset: 2px;
    }

    /* ==============================================
       FORM GRID & ELEMENTS
       ============================================== */

    .form-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-2xl);
    }

    .form-group.full-width {
        grid-column: 1 / -1;
    }

    .form-group {
        position: relative;
    }

    .form-group label {
        display: block;
        font-weight: 600;
        margin-bottom: var(--spacing-sm);
        color: var(--text-dark);
        font-size: 0.95rem;
    }

    .form-group input,
    .form-group select {
        width: 100%;
        padding: var(--spacing-md);
        border: 2px solid var(--border-light);
        border-radius: var(--radius-lg);
        font-size: 1rem;
        background: white;
        transition: all var(--transition-base);
        font-family: inherit;
    }

    .form-group input:focus,
    .form-group select:focus {
        outline: none;
        border-color: var(--primary-green);
        box-shadow: 0 0 0 3px rgba(0, 100, 0, 0.1);
        transform: translateY(-2px);
    }

    .form-group input:valid:not(:placeholder-shown) {
        border-color: var(--accent-green);
    }

    .form-group.error input,
    .form-group.error select {
        border-color: #ef4444;
        box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
    }

    .field-error {
        color: #ef4444;
        font-size: 0.85rem;
        margin-top: var(--spacing-xs);
        display: block;
    }

    /* ==============================================
       MATERIAL SELECTION
       ============================================== */

    .material-selection {
        margin-bottom: var(--spacing-xl);
    }

    .material-cards {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
        margin-top: var(--spacing-lg);
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    .material-card {
        border: 3px solid var(--border-light);
        border-radius: var(--radius-xl);
        cursor: pointer;
        transition: all var(--transition-base);
        position: relative;
        overflow: hidden;
        min-height: 180px;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }

    .material-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.2));
        transition: all var(--transition-base);
        z-index: 1;
    }

    .material-card:hover::before {
        background: linear-gradient(135deg, rgba(0, 100, 0, 0.5), rgba(0, 100, 0, 0.3));
    }

    .material-card.selected::before {
        background: linear-gradient(135deg, rgba(0, 100, 0, 0.7), rgba(0, 100, 0, 0.4));
    }

    .material-overlay {
        position: relative;
        z-index: 2;
        padding: var(--spacing-xl);
        background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.6) 50%, transparent 100%);
        color: white;
        text-align: center;
    }

    .material-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
        border-color: var(--primary-green);
    }

    .material-card.selected {
        border-color: var(--primary-green);
        transform: translateY(-3px);
        box-shadow: 0 8px 30px rgba(0, 100, 0, 0.4);
    }

    .material-card.selected .material-overlay {
        background: linear-gradient(to top, rgba(0, 100, 0, 0.8) 0%, rgba(0, 100, 0, 0.4) 50%, transparent 100%);
    }

    .material-card input[type="radio"] {
        display: none;
    }

    .material-overlay h3 {
        color: white;
        margin-bottom: var(--spacing-sm);
        font-size: 1.3rem;
        font-weight: 700;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
        line-height: 1.2;
    }

    .material-overlay p {
        color: rgba(255, 255, 255, 0.95);
        margin: 0;
        line-height: 1.4;
        font-size: 0.9rem;
        text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    }

    .price-indicator {
        color: var(--secondary-orange);
        font-weight: 700;
        font-size: 0.95rem;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
        display: block;
        margin-top: var(--spacing-xs);
    }

    /* Entferne die alten .material-image und .material-icon Styles */

    /* Responsive Anpassungen */
    @media (max-width: 768px) {
        .material-cards {
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
            max-width: 500px;
        }

        .material-card {
            min-height: 160px;
        }

        .material-overlay {
            padding: var(--spacing-lg);
        }

        .material-overlay h3 {
            font-size: 1.2rem;
        }
    }

    @media (max-width: 480px) {
        .material-cards {
            gap: var(--spacing-sm);
        }

        .material-card {
            min-height: 140px;
        }

        .material-overlay {
            padding: var(--spacing-md);
        }

        .material-overlay h3 {
            font-size: 1.1rem;
            margin-bottom: var(--spacing-xs);
        }

        .material-overlay p {
            font-size: 0.85rem;
        }

        .price-indicator {
            font-size: 0.9rem;
        }
    }

    /* Dark Mode Support */
    body.dark-mode .material-card {
        border-color: var(--border-dark);
    }

    body.dark-mode .material-card:hover,
    body.dark-mode .material-card.selected {
        border-color: var(--primary-green);
    }

    /* Accessibility */
    .material-card:focus-within {
        outline: 3px solid var(--primary-green);
        outline-offset: 2px;
    }

    /* ==============================================
       ZUSATZLEISTUNGEN
       ============================================== */

    .zusatz-leistungen {
        margin-bottom: var(--spacing-2xl);
    }

    .zusatz-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
    }

    .zusatz-option {
        cursor: pointer;
        display: block;
    }

    .zusatz-option input[type="checkbox"] {
        display: none;
    }

    .zusatz-card {
        background: white;
        border: 2px solid var(--border-light);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        text-align: center;
        transition: all var(--transition-base);
        position: relative;
        overflow: hidden;
        min-height: 140px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .zusatz-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: var(--primary-green);
        transform: scaleX(0);
        transition: transform var(--transition-base);
        transform-origin: left;
    }

    .zusatz-option:hover .zusatz-card {
        border-color: var(--primary-green);
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
    }

    .zusatz-option input[type="checkbox"]:checked + .zusatz-card {
        border-color: var(--primary-green);
        background: linear-gradient(135deg, rgba(0, 100, 0, 0.05), rgba(56, 161, 105, 0.05));
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .zusatz-option input[type="checkbox"]:checked + .zusatz-card::before {
        transform: scaleX(1);
    }

    .zusatz-icon {
        margin-bottom: var(--spacing-sm);
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-secondary-dark);
        transition: all var(--transition-base);
    }

    .zusatz-option:hover .zusatz-icon,
    .zusatz-option input[type="checkbox"]:checked + .zusatz-card .zusatz-icon {
        color: var(--primary-green);
        transform: scale(1.1);
    }

    .zusatz-card h4 {
        color: var(--text-dark);
        margin-bottom: var(--spacing-xs);
        font-size: 1rem;
        font-weight: 600;
        line-height: 1.3;
    }

    .zusatz-price {
        color: var(--secondary-orange);
        font-weight: 600;
        font-size: 0.85rem;
        margin: 0;
    }

    /* ==============================================
       UPLOAD SECTION
       ============================================== */

    .upload-section {
        background: var(--bg-light);
        padding: var(--spacing-2xl);
        border-radius: var(--radius-lg);
        margin: var(--spacing-2xl) 0;
        border: 2px dashed var(--border-light);
    }

    .upload-section h3 {
        color: var(--primary-green);
        margin-bottom: var(--spacing-sm);
        text-align: center;
    }

    .upload-section > p {
        text-align: center;
        color: var(--text-secondary-dark);
        margin-bottom: var(--spacing-xl);
    }

    .upload-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-lg);
    }

    .upload-item {
        position: relative;
    }

    .upload-item input[type="file"] {
        display: none;
    }

    .upload-label {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: var(--spacing-2xl) var(--spacing-lg);
        background: white;
        border: 2px dashed var(--border-light);
        border-radius: var(--radius-lg);
        cursor: pointer;
        transition: all var(--transition-base);
        text-align: center;
        min-height: 120px;
    }

    .upload-label:hover {
        border-color: var(--primary-green);
        background: rgba(0, 100, 0, 0.02);
        transform: translateY(-2px);
        box-shadow: var(--shadow-sm);
    }

    .upload-icon {
        margin-bottom: var(--spacing-sm);
        color: var(--text-secondary-dark);
        transition: color var(--transition-base);
    }

    .upload-label:hover .upload-icon {
        color: var(--primary-green);
    }

    .upload-label span {
        font-weight: 500;
        color: var(--text-dark);
        margin-bottom: var(--spacing-xs);
    }

    .upload-label small {
        color: var(--text-secondary-dark);
        font-size: 0.8rem;
    }

    .upload-item.has-file .upload-label {
        border-color: var(--accent-green);
        background: rgba(56, 161, 105, 0.1);
    }

    .upload-item.has-file .upload-icon {
        color: var(--accent-green);
    }

    /* ==============================================
       CONSENT SECTION
       ============================================== */

    .consent-section {
        background: var(--bg-light);
        padding: var(--spacing-2xl);
        border-radius: var(--radius-lg);
        margin: var(--spacing-2xl) 0;
        border: 1px solid var(--border-light);
    }

    .checkbox-label {
        display: flex;
        align-items: flex-start;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-lg);
        cursor: pointer;
        line-height: 1.5;
        font-size: 0.95rem;
    }

    .checkbox-label:last-child {
        margin-bottom: 0;
    }

    .checkbox-label input[type="checkbox"] {
        display: none;
    }

    .checkmark {
        width: 20px;
        height: 20px;
        border: 2px solid #cbd5e0;
        border-radius: var(--radius-sm);
        background: #f7fafc;
        flex-shrink: 0;
        position: relative;
        transition: all var(--transition-base);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        margin-top: 2px;
    }

    .checkbox-label input[type="checkbox"]:checked + .checkmark {
        background: var(--primary-green);
        border-color: var(--primary-green);
    }

    .checkbox-label input[type="checkbox"]:checked + .checkmark::after {
        content: '';
        position: absolute;
        left: 6px;
        top: 2px;
        width: 6px;
        height: 10px;
        border: solid white;
        border-width: 0 2px 2px 0;
        transform: rotate(45deg);
    }

    .checkbox-label:hover .checkmark {
        border-color: var(--primary-green);
    }

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

    .step-navigation {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: var(--spacing-2xl);
        border-top: 1px solid var(--border-light);
        margin-top: var(--spacing-2xl);
    }

    .step-navigation .btn {
        min-width: 120px;
        position: relative;
        overflow: hidden;
    }

    .step-navigation .btn::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
        transition: left 0.6s ease;
    }

    .step-navigation .btn:hover::before {
        left: 100%;
    }

    .step-navigation .btn:only-child {
        margin: 0 auto;
    }

    /* ==============================================
       LIVE PREVIEW SECTION
       ============================================== */

    .preview-section {
        position: relative;
    }

    .sticky-preview {
        position: sticky;
        top: 120px;
    }

    .preview-container {
        background: var(--text-dark-btn);
        border-radius: var(--radius-xl);
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--border-light);
        overflow: hidden;
        transition: all var(--transition-base);
    }

    .preview-container:hover {
        box-shadow: var(--shadow-xl);
    }

    .preview-header {
        background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
        color: var(--text-dark-btn);
        padding: var(--spacing-xl);
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: relative;
        overflow: hidden;
    }

    .preview-header::before {
        content: '';
        position: absolute;
        top: 0;
        left: -50%;
        width: 200%;
        height: 100%;
        background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        animation: shimmer 3s infinite;
    }

    @keyframes shimmer {
        0% { transform: translateX(-50%); }
        100% { transform: translateX(50%); }
    }

    .preview-header h3 {
        color: var(--text-dark-btn);
        margin: 0;
        font-size: 1.3rem;
        font-weight: 600;
    }

    .preview-content {
        padding: var(--spacing-xl);
        background: white;
    }

    .project-summary {
        margin-bottom: var(--spacing-2xl);
        padding-bottom: var(--spacing-lg);
        border-bottom: 1px solid var(--border-light);
    }

    .summary-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-sm) 0;
        transition: all var(--transition-base);
    }

    .summary-item:hover {
        background: var(--bg-light);
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
        border-radius: var(--radius-md);
    }

    .summary-item .label {
        color: var(--text-secondary-dark);
        font-weight: 500;
    }

    .summary-item .value {
        color: var(--text-dark);
        font-weight: 600;
    }

    /* Cost Breakdown */
    .cost-breakdown {
        margin-bottom: var(--spacing-xl);
    }

    .cost-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-sm) 0;
        transition: all var(--transition-base);
        border-radius: var(--radius-md);
    }

    .cost-item:hover {
        background: var(--bg-light);
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }

    .cost-label {
        color: var(--text-secondary-dark);
        font-weight: 500;
    }

    .cost-value {
        color: var(--text-dark);
        font-weight: 600;
        font-family: 'Inter', monospace;
    }

    .cost-subtotal,
    .cost-tax,
    .cost-total {
        border-top: 1px solid var(--border-light);
        margin-top: var(--spacing-sm);
        padding-top: var(--spacing-sm);
        font-weight: 600;
    }

    .cost-total {
        background: linear-gradient(135deg, var(--bg-light), rgba(0, 100, 0, 0.05));
        padding: var(--spacing-md);
        border-radius: var(--radius-lg);
        border: 2px solid var(--primary-green);
        margin-top: var(--spacing-md);
    }

    .cost-total .cost-label,
    .cost-total .cost-value {
        color: var(--primary-green);
        font-size: 1.2rem;
        font-weight: 700;
    }

    .additional-services {
        background: rgba(217, 119, 6, 0.05);
        margin: var(--spacing-xs) 0;
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--radius-md);
        border-left: 4px solid var(--secondary-orange);
    }

    .additional-services .cost-label {
        color: var(--secondary-orange);
    }

    /* Preview Actions */
    .preview-actions {
        margin: var(--spacing-xl) 0;
        text-align: center;
        display: flex;
        gap: var(--spacing-md);
        justify-content: center;
    }

    .preview-actions .btn {
        flex: 1;
        max-width: 180px;
    }

    /* PDF Viewer */
    .pdf-viewer {
        margin-top: var(--spacing-lg);
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border-light);
        background: var(--bg-light);
    }

    .pdf-viewer-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1rem 1.5rem;
        background: linear-gradient(135deg, var(--primary-green) 0%, #228B22 100%);
        color: white;
    }

    .pdf-viewer-header h3 {
        margin: 0;
        font-size: 1.25rem;
    }

    .close-pdf-viewer {
        background: rgba(255, 255, 255, 0.2);
        border: none;
        color: white;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background 0.3s ease;
    }

    .close-pdf-viewer:hover {
        background: rgba(255, 255, 255, 0.3);
    }

    .close-pdf-viewer svg {
        width: 20px;
        height: 20px;
    }

    .pdf-viewer iframe {
        border: none;
        background: white;
        border-radius: var(--radius-lg);
    }

    .preview-disclaimer {
        background: var(--bg-light);
        padding: var(--spacing-lg);
        border-radius: var(--radius-lg);
        border: 1px solid var(--border-light);
        margin-top: var(--spacing-lg);
    }

    .preview-disclaimer p {
        margin: 0;
        font-size: 0.9rem;
        line-height: 1.5;
        color: var(--text-secondary-dark);
    }

    .preview-disclaimer strong {
        color: var(--primary-green);
    }

    /* ==============================================
       ANIMATIONS
       ============================================== */

    @keyframes slideInRight {
        from {
            opacity: 0;
            transform: translateX(30px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    @keyframes slideInLeft {
        from {
            opacity: 0;
            transform: translateX(-30px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes pulse {
        0%, 100% {
            transform: scale(1);
        }
        50% {
            transform: scale(1.05);
        }
    }

    .animate-pulse {
        animation: pulse 2s infinite;
    }

    .loading {
        position: relative;
        overflow: hidden;
    }

    .loading::after {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
        animation: loading-shimmer 1.5s infinite;
    }

    @keyframes loading-shimmer {
        to {
            left: 100%;
        }
    }

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

    /* Large Desktop */
    @media (min-width: 1400px) {
        .tool-layout {
            grid-template-columns: 1fr 450px;
            gap: var(--spacing-4xl);
        }

        .form-step {
            padding: var(--spacing-4xl);
        }
    }

    /* Desktop */
    @media (max-width: 1199px) {
        .tool-layout {
            grid-template-columns: 1fr 350px;
            gap: var(--spacing-2xl);
        }
    }

    /* Tablet - WICHTIG: Preview-Section nicht nach oben verschieben */
    @media (max-width: 991px) {
        .tool-layout {
            grid-template-columns: 1fr;
            gap: var(--spacing-xl);
        }

        .sticky-preview {
            position: static;
        }

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

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

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

        .progress-steps {
            padding: 0 var(--spacing-md);
        }

        .progress-line {
            margin: 0 var(--spacing-md);
        }
    }

    /* Mobile Large */
    @media (max-width: 768px) {
        .angebots-tool-main {
            padding: var(--spacing-2xl) 0;
        }

        .form-step {
            padding: var(--spacing-2xl);
        }

        .form-grid {
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }

        .category-cards {
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }

        .material-cards {
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }

        .zusatz-grid {
            grid-template-columns: 1fr;
        }

        .progress-steps {
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }

        .progress-line {
            display: none;
        }

        .step-navigation {
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .step-navigation .btn {
            width: 100%;
            min-width: auto;
        }

        .upload-grid {
            grid-template-columns: 1fr;
        }

        .preview-container {
            margin-bottom: var(--spacing-xl);
        }

        .preview-actions {
            flex-direction: column;
        }

        .preview-actions .btn {
            max-width: none;
        }
    }

    /* Mobile */
    @media (max-width: 480px) {
        .progress-container {
            padding: var(--spacing-lg);
        }

        .form-step {
            padding: var(--spacing-lg);
        }

        .preview-content {
            padding: var(--spacing-lg);
        }

        .upload-section {
            padding: var(--spacing-lg);
        }

        .consent-section {
            padding: var(--spacing-lg);
        }

        .step-header h2 {
            font-size: 1.5rem;
        }

        .step-header p {
            font-size: 1rem;
        }

        .category-card {
            padding: var(--spacing-lg);
            min-height: 150px;
        }

        .material-card {
            padding: var(--spacing-lg);
        }

        .zusatz-card {
            padding: var(--spacing-md);
            min-height: 120px;
        }

        .nav-link-highlight {
            padding: var(--spacing-xs) var(--spacing-md) !important;
            font-size: 0.9rem !important;
        }
    }

    /* ==============================================
       DARK MODE SUPPORT
       ============================================== */

    body.dark-mode .form-section,
    body.dark-mode .preview-container,
    body.dark-mode .preview-content{
        background: var(--bg-container-dark);
        border-color: var(--border-dark);
    }

    body.dark-mode .progress-container {
        background: var(--bg-dark);
        border-color: var(--border-dark);
    }

    body.dark-mode .step-header {
        border-bottom-color: var(--border-dark);
    }

    body.dark-mode .category-card,
    body.dark-mode .material-card {
        border-color: var(--border-dark);
    }

    /* Zusatz-Card Dark Mode mit höherer Specificity */
    body.dark-mode .zusatz-option .zusatz-card {
        background: var(--bg-light) !important;
        border-color: var(--border-dark);
    }

    body.dark-mode .zusatz-option input[type="checkbox"]:checked + .zusatz-card {
        background: linear-gradient(135deg, rgba(0, 100, 0, 0.15), rgba(56, 161, 105, 0.15)) !important;
    }

    /* Dark Mode für Mengeneingabe */
    body.dark-mode .zusatz-input-wrapper {
        background: var(--bg-container-dark);
        border-color: var(--primary-green);
    }

    body.dark-mode .zusatz-qty-input {
        background: #1a1a1a !important;
        border-color: var(--border-dark) !important;
        color: #ffffff !important;
        font-size: 1.6rem !important;
        font-weight: 700 !important;
    }

    body.dark-mode .zusatz-qty-input:focus {
        background: #222222 !important;
        border-color: var(--primary-green) !important;
        color: #ffffff !important;
    }

    body.dark-mode .qty-label {
        color: #e0e0e0;
    }

    body.dark-mode .qty-unit {
        color: var(--primary-green);
        font-weight: 600;
    }

    body.dark-mode .qty-info-btn {
        color: var(--primary-green);
    }

    body.dark-mode .qty-info-btn:hover {
        background: rgba(0, 150, 0, 0.2);
    }

    body.dark-mode .qty-info-tooltip {
        background: #2a2a2a;
        border: 1px solid var(--border-dark);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    }

    body.dark-mode .qty-info-tooltip::after {
        border-top-color: #2a2a2a;
    }

    body.dark-mode .upload-section,
    body.dark-mode .consent-section {
        background: var(--bg-dark);
        border-color: var(--border-dark);
    }

    body.dark-mode .upload-label {
        background: var(--bg-container-dark);
        border-color: var(--border-dark);
    }

    body.dark-mode .form-group input,
    body.dark-mode .form-group select {
        background: var(--bg-dark);
        border-color: var(--border-dark);
        color: var(--text-dark);
    }

    body.dark-mode .checkmark {
        background: #2d3748;
        border-color: #4a5568;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    }

    body.dark-mode .pdf-viewer {
        background: var(--bg-dark);
        border-color: var(--border-dark);
    }

    /* ==============================================
       ACCESSIBILITY
       ============================================== */

    @media (prefers-reduced-motion: reduce) {
        .form-step,
        .category-card,
        .material-card,
        .zusatz-card,
        .step-circle,
        .progress-line::after {
            animation: none;
            transition: none;
        }

        .category-card:hover,
        .material-card:hover,
        .zusatz-card:hover {
            transform: none;
        }
    }

    @media (prefers-contrast: high) {
        .category-card,
        .material-card,
        .zusatz-card,
        .form-group input,
        .form-group select {
            border-width: 3px;
        }

        .cost-total {
            border-width: 3px;
        }
    }

    .category-card:focus-within,
    .material-card:focus-within,
    .zusatz-option:focus-within,
    .upload-label:focus-within {
        outline: 2px solid var(--primary-green);
        outline-offset: 2px;
    }

    /* ==============================================
       PRINT STYLES
       ============================================== */

    @media print {
        .angebots-tool-main {
            background: white !important;
        }

        .form-section,
        .preview-container {
            box-shadow: none !important;
            border: 1px solid #000 !important;
        }

        .step-navigation {
            display: none !important;
        }

        .form-step:not(.active) {
            display: block !important;
        }

        .nav-link-highlight {
            display: none !important;
        }
    }
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-green) 0%, #228B22 100%);
    color: white;
}

.pdf-viewer-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.close-pdf-viewer {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.close-pdf-viewer:hover {
    background: rgba(255, 255, 255, 0.3);
}

.close-pdf-viewer svg {
    width: 20px;
    height: 20px;
}

.pdf-viewer iframe {
    border: none;
    background: white;
    border-radius: var(--radius-lg);
}

.preview-disclaimer {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    margin-top: var(--spacing-lg);
}

.preview-disclaimer p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary-dark);
}

.preview-disclaimer strong {
    color: var(--primary-green);
}

/* PDF Modal */
.angebot-pdf-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10001;  /* Höher als andere Modals */
    display: none;
    align-items: center;
    justify-content: center;
}

.angebot-pdf-modal.active {
    display: flex !important;
}

.angebot-pdf-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

.angebot-pdf-container {
    position: relative;
    width: 90%;
    max-width: 1200px;
    height: 90vh;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    z-index: 1;
    animation: angebotModalSlideIn 0.4s ease;
}

@keyframes angebotModalSlideIn {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.angebot-pdf-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #006400 0%, #228B22 100%);
    color: white;
    border-radius: 12px 12px 0 0;
    flex-shrink: 0;
}

.angebot-pdf-header h3 {
    margin: 0;
    font-size: 1.5rem;
    color: white;
}

.angebot-pdf-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.angebot-pdf-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.angebot-pdf-close svg {
    width: 20px;
    height: 20px;
}

.angebot-pdf-body {
    flex: 1;
    padding: 1rem;
    overflow: hidden;
    background: #f5f5f5;
    border-radius: 0 0 12px 12px;
}

.angebot-pdf-body iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
    background: white;
}

/* Responsive */
@media (max-width: 768px) {
    .angebot-pdf-container {
        width: 95%;
        height: 95vh;
    }

    .angebot-pdf-header {
        padding: 1rem 1.5rem;
    }

    .angebot-pdf-header h3 {
        font-size: 1.25rem;
    }
}

/* Dark Mode */
body.dark-mode .angebot-pdf-container {
    background: var(--bg-container-dark);
}

body.dark-mode .angebot-pdf-body {
    background: var(--bg-dark);
}

/* ==============================================
   ANIMATIONS
   ============================================== */

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
    to {
        left: 100%;
    }
}

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

/* Large Desktop */
@media (min-width: 1400px) {
    .tool-layout {
        grid-template-columns: 1fr 450px;
        gap: var(--spacing-4xl);
    }

    .form-step {
        padding: var(--spacing-4xl);
    }
}

/* Desktop */
@media (max-width: 1199px) {
    .tool-layout {
        grid-template-columns: 1fr 350px;
        gap: var(--spacing-2xl);
    }
}

/* Tablet - WICHTIG: Preview-Section nicht nach oben verschieben */
@media (max-width: 991px) {
    .tool-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .sticky-preview {
        position: static;
    }

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

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

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

    .progress-steps {
        padding: 0 var(--spacing-md);
    }

    .progress-line {
        margin: 0 var(--spacing-md);
    }
}

/* Mobile Large */
@media (max-width: 768px) {
    .angebots-tool-main {
        padding: var(--spacing-2xl) 0;
    }

    .form-step {
        padding: var(--spacing-2xl);
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .category-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .material-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .zusatz-grid {
        grid-template-columns: 1fr;
    }

    .progress-steps {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .progress-line {
        display: none;
    }

    .step-navigation {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .step-navigation .btn {
        width: 100%;
        min-width: auto;
    }

    .upload-grid {
        grid-template-columns: 1fr;
    }

    .preview-container {
        margin-bottom: var(--spacing-xl);
    }

    .preview-actions {
        flex-direction: column;
    }

    .preview-actions .btn {
        max-width: none;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .progress-container {
        padding: var(--spacing-lg);
    }

    .form-step {
        padding: var(--spacing-lg);
    }

    .preview-content {
        padding: var(--spacing-lg);
    }

    .upload-section {
        padding: var(--spacing-lg);
    }

    .consent-section {
        padding: var(--spacing-lg);
    }

    .step-header h2 {
        font-size: 1.5rem;
    }

    .step-header p {
        font-size: 1rem;
    }

    .category-card {
        padding: var(--spacing-lg);
        min-height: 150px;
    }

    .material-card {
        padding: var(--spacing-lg);
    }

    .zusatz-card {
        padding: var(--spacing-md);
        min-height: 120px;
    }

    .nav-link-highlight {
        padding: var(--spacing-xs) var(--spacing-md) !important;
        font-size: 0.9rem !important;
    }
}

/* ==============================================
   DARK MODE SUPPORT
   ============================================== */

body.dark-mode .form-section,
body.dark-mode .preview-container,
body.dark-mode .preview-content{
    background: var(--bg-container-dark);
    border-color: var(--border-dark);
}

body.dark-mode .progress-container {
    background: var(--bg-dark);
    border-color: var(--border-dark);
}

body.dark-mode .step-header {
    border-bottom-color: var(--border-dark);
}

body.dark-mode .category-card,
body.dark-mode .material-card,
body.dark-mode .zusatz-card {
    border-color: var(--border-dark);
}

body.dark-mode .upload-section,
body.dark-mode .consent-section {
    background: var(--bg-dark);
    border-color: var(--border-dark);
}

body.dark-mode .upload-label {
    background: var(--bg-container-dark);
    border-color: var(--border-dark);
}

body.dark-mode .form-group input,
body.dark-mode .form-group select {
    background: var(--bg-dark);
    border-color: var(--border-dark);
    color: var(--text-dark);
}

body.dark-mode .checkmark {
    background: #2d3748;
    border-color: #4a5568;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

body.dark-mode .pdf-viewer {
    background: var(--bg-dark);
    border-color: var(--border-dark);
}

/* ==============================================
   ACCESSIBILITY
   ============================================== */

@media (prefers-reduced-motion: reduce) {
    .form-step,
    .category-card,
    .material-card,
    .zusatz-card,
    .step-circle,
    .progress-line::after {
        animation: none;
        transition: none;
    }

    .category-card:hover,
    .material-card:hover,
    .zusatz-card:hover {
        transform: none;
    }
}

@media (prefers-contrast: high) {
    .category-card,
    .material-card,
    .zusatz-card,
    .form-group input,
    .form-group select {
        border-width: 3px;
    }

    .cost-total {
        border-width: 3px;
    }
}

.category-card:focus-within,
.material-card:focus-within,
.zusatz-option:focus-within,
.upload-label:focus-within {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

/* ==============================================
   PRINT STYLES
   ============================================== */

@media print {
    .angebots-tool-main {
        background: white !important;
    }

    .form-section,
    .preview-container {
        box-shadow: none !important;
        border: 1px solid #000 !important;
    }

    .step-navigation {
        display: none !important;
    }

    .form-step:not(.active) {
        display: block !important;
    }

    .nav-link-highlight {
        display: none !important;
    }
}