/* Modern Filter Panel CSS - Minimal Neutral Design */
:root {
    --modern-text-dark: #000000;
    --modern-text-light: #666666;
    --modern-border: #cccccc;
}

/* Main Filter Panel Container */
.modern-filter-panel {
    background: white;
}

/* Mobile Close Button */
.modern-close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    background: none;
    border: none;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--modern-text-dark);
}

.modern-close-btn i {
    font-size: 14px;
}

/* Filter Section */
.modern-filter-section {
    padding: 15px;
}

/* Section Headers */
.modern-section-header {
    font-size: 14px;
    font-weight: 600;
    color: var(--modern-text-dark);
    margin-bottom: 10px;
}

/* Category Navigation */
.modern-category-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.modern-nav-item {
    margin-bottom: 2px;
}

.modern-nav-link {
    display: block;
    padding: 5px 0;
    color: var(--modern-text-light);
    text-decoration: none;
    font-weight: normal;
    font-size: 13px;
}

.modern-nav-link.modern-active {
    color: var(--modern-text-dark);
    font-weight: 600;
}

.modern-item-count {
    color: var(--modern-text-light);
    font-size: 11px;
    margin-left: 5px;
}

/* Expand Indicator */
.modern-expand-indicator {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    width: 15px;
    height: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.modern-expand-indicator::after {
    content: "+";
    font-size: 12px;
    color: var(--modern-text-light);
}

.modern-nav-item.modern-expanded .modern-expand-indicator::after {
    content: "-";
}

/* Subcategory Container */
.modern-subcategory-container {
    margin-top: 5px;
    margin-left: 15px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.modern-subcategory-container.modern-show {
    max-height: 300px;
}

.modern-subcategory-container .modern-nav-link {
    padding: 3px 0;
    font-size: 12px;
}

/* Price Range Section */
.modern-price-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.modern-price-option {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

.modern-price-checkbox {
    display: none;
}

.modern-price-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px 0;
    width: 100%;
    font-size: 13px;
    color: var(--modern-text-dark);
}

.modern-checkbox-indicator {
    width: 16px;
    height: 16px;
    border: 1px solid var(--modern-border);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.modern-checkbox-indicator::after {
    content: "";
    width: 3px;
    height: 6px;
    border: solid var(--modern-text-dark);
    border-width: 0 1px 1px 0;
    transform: rotate(45deg) scale(0);
    transition: transform 0.2s ease;
}

.modern-price-checkbox:checked
    + .modern-price-label
    .modern-checkbox-indicator {
    background: var(--modern-text-dark);
    border-color: var(--modern-text-dark);
}

.modern-price-checkbox:checked
    + .modern-price-label
    .modern-checkbox-indicator::after {
    transform: rotate(45deg) scale(1);
    border-color: white;
}

.modern-price-checkbox:checked + .modern-price-label {
    font-weight: 500;
}

.modern-price-text {
    flex: 1;
}

.modern-price-actions {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--modern-border);
}

.modern-clear-price-btn {
    width: 100%;
    padding: 6px 12px;
    background: white;
    color: var(--modern-text-dark);
    border: 1px solid var(--modern-border);
    font-size: 11px;
    cursor: pointer;
    font-weight: normal;
}

.modern-clear-price-btn:hover {
    background: #f3f4f6;
}

/* Apply Filter Button - Hidden (using AJAX live filtering) */
.modern-apply-btn {
    display: none;
}

/* Attribute Filter Section */
.modern-attribute-grid {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.modern-option-item {
    /* No styles */
}

.modern-checkbox-input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: 0;
    height: 0;
}

.modern-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 3px 0;
    font-weight: normal;
}

.modern-checkbox-indicator {
    width: 14px;
    height: 14px;
    border: 1px solid var(--modern-border);
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    flex-shrink: 0;
}

.modern-checkbox-indicator::after {
    content: "";
    width: 3px;
    height: 6px;
    border: solid var(--modern-text-dark);
    border-width: 0 1px 1px 0;
    transform: rotate(45deg) scale(0);
    transition: transform 0.1s ease;
}

.modern-checkbox-input:checked
    + .modern-checkbox-label
    .modern-checkbox-indicator::after {
    transform: rotate(45deg) scale(1);
}

.modern-checkbox-text {
    font-size: 12px;
    color: var(--modern-text-light);
    font-weight: normal;
}

.modern-checkbox-input:checked + .modern-checkbox-label .modern-checkbox-text {
    color: var(--modern-text-dark);
}

/* Loading States */
.modern-filter-section.modern-loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Responsive Design */
@media (min-width: 769px) {
    /* Desktop/Tablet - Normal sidebar behavior */
    .modern-filter-panel {
        position: static;
        width: 100%;
        max-height: none;
        background: white;
        border-radius: 0;
        transform: none;
        transition: none;
        z-index: auto;
        overflow: visible;
        display: block;
    }

    .modern-close-btn {
        display: none;
    }

    .modern-filter-content {
        padding: 0;
    }

    .modern-filter-panel::before {
        display: none;
    }
}

/* Mobile - Use existing mobile-filter-sheet from top-filter.css */
@media (max-width: 768px) {
    /* Hide our close button since mobile-filter-sheet has its own */
    .modern-close-btn {
        display: none;
    }

    /* Remove our filter-content wrapper padding since mobile-filter-sheet handles it */
    .modern-filter-content {
        padding: 0;
    }

    /* Optimize spacing for mobile bottom sheet */
    .modern-filter-section {
        padding: 12px 0;
        border-bottom: 1px solid #f3f4f6;
    }

    .modern-section-header {
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 12px;
        color: #111827;
    }

    .modern-nav-link {
        padding: 10px 0;
        font-size: 14px;
    }

    .modern-checkbox-label {
        padding: 10px 0;
    }

    .modern-checkbox-text {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .modern-filter-panel {
        max-height: 85vh;
        border-radius: 16px 16px 0 0;
    }

    .modern-filter-section {
        padding: 12px 16px;
    }

    .modern-section-header {
        font-size: 15px;
        margin-bottom: 12px;
    }

    .modern-price-container {
        padding: 12px;
    }

    .modern-nav-link {
        padding: 10px 0;
        font-size: 13px;
    }

    .modern-checkbox-label {
        padding: 10px 0;
    }

    .modern-checkbox-text {
        font-size: 13px;
    }

    /* Smaller handle for very small screens */
    .modern-filter-panel::before {
        width: 32px;
        height: 3px;
        top: 6px;
    }

    /* Smaller close button */
    .modern-close-btn {
        width: 28px;
        height: 28px;
        top: 12px;
        right: 12px;
        font-size: 12px;
    }
}

/* Accessibility */
.modern-checkbox-input:focus + .modern-checkbox-label {
    outline: 1px dotted var(--modern-text-dark);
}

.modern-apply-btn:focus {
    outline: 1px dotted var(--modern-text-dark);
}

.modern-price-input:focus {
    outline: none;
}

/* Print Styles */
@media print {
    .modern-filter-panel {
        border: 1px solid #000;
    }

    .modern-apply-btn {
        background: #000 !important;
        color: #fff !important;
    }
}