@media (max-width: 768px) {
    #step1 {
        flex-direction: column;
    }

    #price-overview,
    #system-config {
        width: 80%;
        max-width: 300px;
        height: 100vh;
    }

    #main-content {
        padding-right: 0;
        width: 100%;
    }

    #system-config h2 {
        font-size: clamp(1.1rem, 1.8vw, 1.2rem);
    }

    .step {
        padding-left: 40px;
        padding-right: 40px;
    }

    #toggle-price-overview,
    #toggle-system-config {
        display: block;
    }

    #price-overview.collapsed {
        transform: translateX(calc(-100% + 40px));
    }

    #system-config.collapsed {
        transform: translateX(calc(100% - 40px));
    }

    .config-item select {
        font-size: clamp(0.8rem, 1.2vw, 0.9rem);
    }

    .produkt-block {
        width: 100%;
        max-width: 400px;
        margin: 0.5rem 0;
        padding: 1.2rem 0.8rem 2.5rem;
    }

    #produkteList {
        max-height: calc(100vh - 150px);
        padding: 1.5rem;
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .features-controls {
        grid-template-columns: 1fr;
        gap: 0.2rem;
        width: 100%;
        max-width: 100%;
        padding: 0;
    }

    .features-controls .product-subheading {
        text-align: center;
    }

    .features-controls .product-subheading::after {
        width: 100%;
        left: 0;
    }

    .control-group {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        max-width: 400px;
    }

    .features-controls .control-group {
        max-width: 100%;
        padding: 0.5rem;
    }

    .control-group.transaction-control:not(.hidden) {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
    }

    .control-group .control-description {
        width: 100%;
        text-align: center;
        margin-top: 5px;
        font-size: 12px;
    }

    .user-controls label,
    .custom-controls label {
        text-align: center;
        width: 100%;
    }

    .control-group input[type="range"] {
        width: 80%;
        max-width: 350px;
        height: 8px;
        appearance: none;
    }

    .features-controls .control-group input[type="range"] {
        max-width: 120px;
        background: linear-gradient(to right, var(--colorLeft, #7f85e4) 0%, var(--colorLeft, #7f85e4) var(--value, 0%), #2c2c46 var(--value, 0%), #2c2c46 100%);
    }

    .control-group input[type="range"]::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 16px;
        height: 16px;
        border-radius: 50%;
        background: #ffffff;
        border: 2px solid var(--colorLeft, #7f85e4);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        cursor: pointer;
    }

    .features-controls .control-group input[type="range"]::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 16px;
        height: 16px;
        border-radius: 50%;
        background: #ffffff;
        border: 2px solid var(--colorLeft, #7f85e4);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        cursor: pointer;
    }

    .control-group input[type="number"] {
        width: 100%;
        max-width: 120px;
    }

    .features-controls .control-group input[type="number"] {
        width: 50px;
    }

    .control-group span {
        text-align: center;
        width: 100%;
    }

    .user-controls input[type="range"]::-webkit-slider-thumb,
    .custom-controls input[type="range"]::-webkit-slider-thumb {
        width: 16px;
        height: 16px;
    }

    .user-controls input[type="range"].dynamic-slider,
    .custom-controls input[type="range"].dynamic-slider {
        width: 80px;
    }

    .user-controls input[type="range"].dynamic-slider::-webkit-slider-thumb,
    .custom-controls input[type="range"].dynamic-slider::-webkit-slider-thumb {
        width: 8px;
        height: 8px;
    }

    .user-controls input[type="range"].dynamic-slider+input[type="number"],
    .custom-controls input[type="range"].dynamic-slider+input[type="number"] {
        width: 45px;
    }

    .user-controls label:has(+ .control-group input[type="range"].dynamic-slider),
    .custom-controls label:has(+ .control-group input[type="range"].dynamic-slider) {
        font-size: clamp(0.6rem, 1vw, 0.7rem);
    }

    .features-controls .feature-description {
        width: 100%;
        font-size: clamp(0.7rem, 1.1vw, 0.8rem);
    }

    .product-subheading {
        margin: 0.4rem 0 0.2rem;
        padding-bottom: 0.4rem;
        font-size: clamp(1rem, 1.5vw, 1.1rem);
        text-align: center;
    }

    .product-subheading::after {
        width: 100%;
        left: 0;
    }

    .checkbox-control-group {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        max-width: 400px;
    }

    .checkbox-control-group label,
    .checkbox-control-group span {
        text-align: center;
        width: 100%;
    }

    .checkbox-control-group .control-description {
        width: 100%;
        text-align: center;
        margin-top: 5px;
        font-size: 12px;
    }

    /* Hide product icons on mobile and adjust spacing */
    .Icon-block {
        display: none !important;
    }

    .produkt-block label {
        margin-top: 0;
        margin-bottom: 1rem;
    }

    .product-description {
        margin-top: 0;
        margin-bottom: 1.5rem;
        width: 90%;
    }
}

@media (min-width: 769px) and (max-width: 1440px) {
    .custom-controls {
        margin-top: 2rem;
    }

    .Icon-block {
        width: 4rem;
        height: 4rem;
    }

    #produkteList {
        grid-template-columns: 1fr;
    }

    #system-config {
        width: 250px;
    }

    .features-controls {
        grid-template-columns: 1fr !important;
        width: 100%;
        max-width: 100%;
        padding: 0;
    }

    .control-group {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        justify-content: center;
        gap: 0.75rem;
        max-width: 600px;
    }

    .checkbox-control-group {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        max-width: 100%;
    }

    .features-controls .product-subheading::after {
        width: 100%;
        left: 0;
    }

    .features-controls>div {
        padding: 0.6rem;
        min-height: 180px;
    }

    .features-controls .feature-description {
        font-size: clamp(0.8rem, 1.2vw, 0.9rem);
    }

    .product-subheading {
        margin: 0.5rem 0 0.3rem;
        padding-bottom: 0.45rem;
        font-size: clamp(1.05rem, 1.55vw, 1.15rem);
        text-align: center;
    }

    .product-subheading::after {
        width: 100%;
        left: 0;
    }

    #system-config .sidebar-toggle {
        left: 0.1rem;
    }
}