/* ========================================
   MOBILE FILTER - KOMPAKTE DARSTELLUNG
   ======================================== */

@media (max-width: 768px) {
    /* Original Filter-Bar ausblenden */
    .filter-bar {
        display: none !important;
    }

    /* Mobile Filter Container */
    .mobile-filter-container {
        position: sticky;
        top: 0;
        z-index: 999;
        background: var(--card-bg);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }

    .mobile-filter-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.75rem 1rem;
        gap: 1rem;
    }

    .mobile-filter-active {
        flex: 1;
        font-size: 0.9rem;
        color: var(--text-light);
    }

    .mobile-filter-active .filter-count {
        font-weight: 500;
        color: var(--primary);
    }

    .mobile-filter-toggle {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.6rem 1rem;
        background: var(--primary);
        color: white;
        border: none;
        border-radius: 20px;
        font-size: 0.9rem;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s;
        box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }

    .mobile-filter-toggle:active {
        transform: scale(0.98);
        box-shadow: 0 1px 2px rgba(0,0,0,0.2);
    }

    .mobile-filter-toggle i {
        font-size: 1rem;
    }

    .filter-badge {
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 20px;
        height: 20px;
        background: var(--warning);
        color: var(--text);
        font-size: 0.75rem;
        font-weight: 700;
        border-radius: 10px;
        margin-left: 0.25rem;
    }

    /* Filter Overlay */
    .mobile-filter-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        backdrop-filter: blur(4px);
        z-index: 10000;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .mobile-filter-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .mobile-filter-overlay-content {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        max-width: 400px;
        background: var(--background);
        display: flex;
        flex-direction: column;
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }

    .mobile-filter-overlay.active .mobile-filter-overlay-content {
        transform: translateX(0);
    }

    /* Overlay Header */
    .mobile-filter-overlay-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1rem;
        background: var(--primary);
        color: white;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    .mobile-filter-overlay-header h3 {
        margin: 0;
        font-size: 1.2rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .mobile-filter-actions {
        display: flex;
        gap: 0.5rem;
    }

    .btn-reset-filters,
    .btn-close-overlay {
        background: rgba(255,255,255,0.2);
        border: none;
        color: white;
        padding: 0.5rem 0.75rem;
        border-radius: var(--radius);
        font-size: 0.85rem;
        cursor: pointer;
        transition: all 0.2s;
        display: flex;
        align-items: center;
        gap: 0.35rem;
    }

    .btn-close-overlay {
        width: 36px;
        height: 36px;
        padding: 0;
        justify-content: center;
        font-size: 1.2rem;
    }

    .btn-reset-filters:active,
    .btn-close-overlay:active {
        background: rgba(255,255,255,0.3);
    }

    /* Overlay Body */
    .mobile-filter-body {
        flex: 1;
        overflow-y: auto;
        padding: 0.5rem 0;
    }

    /* Filter Sections (Accordion) */
    .mobile-filter-section {
        border-bottom: 1px solid var(--border);
    }

    .mobile-filter-section-header {
        width: 100%;
        padding: 1rem;
        background: none;
        border: none;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 1rem;
        font-weight: 600;
        color: var(--text);
        cursor: pointer;
        transition: background 0.2s;
    }

    .mobile-filter-section-header:active {
        background: var(--accent);
    }

    .mobile-filter-section-header i {
        color: var(--primary);
        width: 24px;
    }

    .section-icon {
        transition: transform 0.3s;
        color: var(--text-light) !important;
    }

    .mobile-filter-section.active .section-icon {
        transform: rotate(180deg);
    }

    .mobile-filter-section-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .mobile-filter-section.active .mobile-filter-section-content {
        max-height: 500px;
    }

    /* Radio Buttons */
    .mobile-radio-group {
        padding: 0 1rem 1rem;
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }

    .mobile-radio-label {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        cursor: pointer;
        padding: 0.5rem;
        border-radius: var(--radius);
        transition: background 0.2s;
    }

    .mobile-radio-label:active {
        background: var(--accent);
    }

    .mobile-radio-label input[type="radio"] {
        width: 22px;
        height: 22px;
        accent-color: var(--primary);
    }

    .mobile-radio-text {
        font-size: 0.95rem;
    }

    /* Checkboxes */
    .mobile-checkbox-group {
        padding: 0 1rem 1rem;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .mobile-checkbox-label {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        cursor: pointer;
        padding: 0.5rem;
        border-radius: var(--radius);
        transition: background 0.2s;
    }

    .mobile-checkbox-label:active {
        background: var(--accent);
    }

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

    .mobile-checkbox-box {
        width: 24px;
        height: 24px;
        border: 2px solid var(--border);
        border-radius: 4px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.2s;
        color: transparent;
        font-size: 0.8rem;
    }

    .mobile-checkbox-label input:checked + .mobile-checkbox-box {
        background: var(--primary);
        border-color: var(--primary);
        color: white;
    }

    .mobile-checkbox-text {
        font-size: 0.9rem;
    }

    /* Range Slider */
    .mobile-range-slider {
        padding: 0 1rem 1rem;
    }

    .mobile-range-values {
        display: flex;
        justify-content: space-between;
        margin-bottom: 0.75rem;
        font-size: 0.9rem;
        color: var(--text-light);
    }

    .mobile-range-values .current-value {
        color: var(--primary);
        font-weight: 600;
        font-size: 1.1rem;
    }

    .mobile-range-slider input[type="range"] {
        width: 100%;
        height: 8px;
        background: var(--border);
        border-radius: 4px;
        outline: none;
        -webkit-appearance: none;
        margin: 0.5rem 0;
    }

    .mobile-range-slider input[type="range"]::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 28px;
        height: 28px;
        background: var(--primary);
        border: 3px solid white;
        border-radius: 50%;
        cursor: pointer;
        box-shadow: 0 2px 8px rgba(0,0,0,0.3);
        margin-top: -10px;
    }

    .mobile-range-slider input[type="range"]::-webkit-slider-runnable-track {
        width: 100%;
        height: 8px;
        background: var(--border);
        border-radius: 4px;
    }

    .mobile-range-slider input[type="range"]:focus::-webkit-slider-thumb {
        box-shadow: 0 0 0 4px rgba(45, 106, 79, 0.2);
    }

    .range-hint {
        font-size: 0.8rem;
        color: var(--text-light);
        margin-top: 0.5rem;
        font-style: italic;
    }

    /* Price Range */
    .mobile-price-range {
        padding: 0 1rem 1rem;
    }

    .mobile-price-inputs {
        display: flex;
        align-items: flex-end;
        gap: 0.75rem;
    }

    .mobile-price-field {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
        position: relative;
    }

    .mobile-price-field label {
        font-size: 0.8rem;
        color: var(--text-light);
    }

    .mobile-price-field input {
        width: 100%;
        padding: 0.6rem 1.8rem 0.6rem 0.6rem;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        font-size: 1rem;
        text-align: right;
    }

    .mobile-price-field span {
        position: absolute;
        right: 0.5rem;
        bottom: 0.6rem;
        color: var(--text-light);
        pointer-events: none;
    }

    .price-separator {
        font-size: 1.2rem;
        color: var(--text-light);
        padding-bottom: 0.5rem;
    }

    /* Hersteller Grid */
    .mobile-hersteller-grid {
        padding: 0 1rem 1rem;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .mobile-hersteller-item {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.6rem;
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        cursor: pointer;
        transition: all 0.2s;
    }

    .mobile-hersteller-item input {
        display: none;
    }

    .mobile-hersteller-item span {
        font-size: 0.85rem;
    }

    .mobile-hersteller-item:has(input:checked) {
        background: var(--primary);
        border-color: var(--primary);
        color: white;
    }

    /* Overlay Footer */
    .mobile-filter-footer {
        padding: 1rem;
        background: var(--card-bg);
        border-top: 1px solid var(--border);
        box-shadow: 0 -2px 8px rgba(0,0,0,0.05);
    }

    .btn-apply-filters {
        width: 100%;
        padding: 1rem;
        background: var(--primary);
        color: white;
        border: none;
        border-radius: var(--radius);
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        transition: all 0.2s;
    }

    .btn-apply-filters:active {
        background: var(--primary-dark);
        transform: scale(0.99);
    }

    .btn-apply-filters .result-count {
        font-weight: 400;
        opacity: 0.9;
    }
}

/* Desktop: Mobile Filter verstecken */
@media (min-width: 769px) {
    .mobile-filter-container,
    .mobile-filter-overlay {
        display: none !important;
    }
}